id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
|---|---|---|
d2a_code_data_45854 | static void unpack_roq_cell(roq_cell *cell, uint8_t u[4*3])
{
memcpy(u , cell->y, 4);
memset(u+4, cell->u, 4);
memset(u+8, cell->v, 4);
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/roqvideoenc.c/#L80 |
d2a_code_data_45855 | static av_always_inline void encode_mb_internal(MpegEncContext *s, int motion_x, int motion_y, int mb_block_height, int mb_block_count)
{
int16_t weight[8][64];
DCTELEM orig[8][64];
const int mb_x= s->mb_x;
const int mb_y= s->mb_y;
int i;
int skip_dct[8];
int dct_offset = s->linesize*8;
uint8_t *ptr_y, *ptr_cb, *ptr_cr;
int wrap_y, wrap_c;
for(i=0; i<mb_block_count; i++) skip_dct[i]=s->skipdct;
if(s->adaptive_quant){
const int last_qp= s->qscale;
const int mb_xy= mb_x + mb_y*s->mb_stride;
s->lambda= s->lambda_table[mb_xy];
update_qscale(s);
if(!(s->flags&CODEC_FLAG_QP_RD)){
s->qscale= s->current_picture_ptr->qscale_table[mb_xy];
s->dquant= s->qscale - last_qp;
if(s->out_format==FMT_H263){
s->dquant= av_clip(s->dquant, -2, 2);
if(s->codec_id==CODEC_ID_MPEG4){
if(!s->mb_intra){
if(s->pict_type == FF_B_TYPE){
if(s->dquant&1 || s->mv_dir&MV_DIRECT)
s->dquant= 0;
}
if(s->mv_type==MV_TYPE_8X8)
s->dquant=0;
}
}
}
}
ff_set_qscale(s, last_qp + s->dquant);
}else if(s->flags&CODEC_FLAG_QP_RD)
ff_set_qscale(s, s->qscale + s->dquant);
wrap_y = s->linesize;
wrap_c = s->uvlinesize;
ptr_y = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
ptr_cb = s->new_picture.data[1] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
ptr_cr = s->new_picture.data[2] + (mb_y * mb_block_height * wrap_c) + mb_x * 8;
if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
uint8_t *ebuf= s->edge_emu_buffer + 32;
ff_emulated_edge_mc(ebuf , ptr_y , wrap_y,16,16,mb_x*16,mb_y*16, s->width , s->height);
ptr_y= ebuf;
ff_emulated_edge_mc(ebuf+18*wrap_y , ptr_cb, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cb= ebuf+18*wrap_y;
ff_emulated_edge_mc(ebuf+18*wrap_y+8, ptr_cr, wrap_c, 8, mb_block_height, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
ptr_cr= ebuf+18*wrap_y+8;
}
if (s->mb_intra) {
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y*8, NULL, wrap_y, 8) - 400;
if(progressive_score > 0){
interlaced_score = s->dsp.ildct_cmp[4](s, ptr_y , NULL, wrap_y*2, 8)
+s->dsp.ildct_cmp[4](s, ptr_y + wrap_y , NULL, wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
}
}
}
s->dsp.get_pixels(s->block[0], ptr_y , wrap_y);
s->dsp.get_pixels(s->block[1], ptr_y + 8, wrap_y);
s->dsp.get_pixels(s->block[2], ptr_y + dct_offset , wrap_y);
s->dsp.get_pixels(s->block[3], ptr_y + dct_offset + 8, wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
s->dsp.get_pixels(s->block[4], ptr_cb, wrap_c);
s->dsp.get_pixels(s->block[5], ptr_cr, wrap_c);
if(!s->chroma_y_shift){
s->dsp.get_pixels(s->block[6], ptr_cb + (dct_offset>>1), wrap_c);
s->dsp.get_pixels(s->block[7], ptr_cr + (dct_offset>>1), wrap_c);
}
}
}else{
op_pixels_func (*op_pix)[4];
qpel_mc_func (*op_qpix)[16];
uint8_t *dest_y, *dest_cb, *dest_cr;
dest_y = s->dest[0];
dest_cb = s->dest[1];
dest_cr = s->dest[2];
if ((!s->no_rounding) || s->pict_type==FF_B_TYPE){
op_pix = s->dsp.put_pixels_tab;
op_qpix= s->dsp.put_qpel_pixels_tab;
}else{
op_pix = s->dsp.put_no_rnd_pixels_tab;
op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_FORWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
op_pix = s->dsp.avg_pixels_tab;
op_qpix= s->dsp.avg_qpel_pixels_tab;
}
if (s->mv_dir & MV_DIR_BACKWARD) {
MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
}
if(s->flags&CODEC_FLAG_INTERLACED_DCT){
int progressive_score, interlaced_score;
s->interlaced_dct=0;
progressive_score= s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y*8, ptr_y + wrap_y*8, wrap_y, 8) - 400;
if(s->avctx->ildct_cmp == FF_CMP_VSSE) progressive_score -= 400;
if(progressive_score>0){
interlaced_score = s->dsp.ildct_cmp[0](s, dest_y , ptr_y , wrap_y*2, 8)
+s->dsp.ildct_cmp[0](s, dest_y + wrap_y , ptr_y + wrap_y , wrap_y*2, 8);
if(progressive_score > interlaced_score){
s->interlaced_dct=1;
dct_offset= wrap_y;
wrap_y<<=1;
if (s->chroma_format == CHROMA_422)
wrap_c<<=1;
}
}
}
s->dsp.diff_pixels(s->block[0], ptr_y , dest_y , wrap_y);
s->dsp.diff_pixels(s->block[1], ptr_y + 8, dest_y + 8, wrap_y);
s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset , dest_y + dct_offset , wrap_y);
s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
if(s->flags&CODEC_FLAG_GRAY){
skip_dct[4]= 1;
skip_dct[5]= 1;
}else{
s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
if(!s->chroma_y_shift){
s->dsp.diff_pixels(s->block[6], ptr_cb + (dct_offset>>1), dest_cb + (dct_offset>>1), wrap_c);
s->dsp.diff_pixels(s->block[7], ptr_cr + (dct_offset>>1), dest_cr + (dct_offset>>1), wrap_c);
}
}
if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
if(s->dsp.sad[1](NULL, ptr_y , dest_y , wrap_y, 8) < 20*s->qscale) skip_dct[0]= 1;
if(s->dsp.sad[1](NULL, ptr_y + 8, dest_y + 8, wrap_y, 8) < 20*s->qscale) skip_dct[1]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset , dest_y +dct_offset , wrap_y, 8) < 20*s->qscale) skip_dct[2]= 1;
if(s->dsp.sad[1](NULL, ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y, 8) < 20*s->qscale) skip_dct[3]= 1;
if(s->dsp.sad[1](NULL, ptr_cb , dest_cb , wrap_c, 8) < 20*s->qscale) skip_dct[4]= 1;
if(s->dsp.sad[1](NULL, ptr_cr , dest_cr , wrap_c, 8) < 20*s->qscale) skip_dct[5]= 1;
if(!s->chroma_y_shift){
if(s->dsp.sad[1](NULL, ptr_cb +(dct_offset>>1), dest_cb +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[6]= 1;
if(s->dsp.sad[1](NULL, ptr_cr +(dct_offset>>1), dest_cr +(dct_offset>>1), wrap_c, 8) < 20*s->qscale) skip_dct[7]= 1;
}
}
}
if(s->avctx->quantizer_noise_shaping){
if(!skip_dct[0]) get_visual_weight(weight[0], ptr_y , wrap_y);
if(!skip_dct[1]) get_visual_weight(weight[1], ptr_y + 8, wrap_y);
if(!skip_dct[2]) get_visual_weight(weight[2], ptr_y + dct_offset , wrap_y);
if(!skip_dct[3]) get_visual_weight(weight[3], ptr_y + dct_offset + 8, wrap_y);
if(!skip_dct[4]) get_visual_weight(weight[4], ptr_cb , wrap_c);
if(!skip_dct[5]) get_visual_weight(weight[5], ptr_cr , wrap_c);
if(!s->chroma_y_shift){
if(!skip_dct[6]) get_visual_weight(weight[6], ptr_cb + (dct_offset>>1), wrap_c);
if(!skip_dct[7]) get_visual_weight(weight[7], ptr_cr + (dct_offset>>1), wrap_c);
}
memcpy(orig[0], s->block[0], sizeof(DCTELEM)*64*mb_block_count);
}
assert(s->out_format!=FMT_MJPEG || s->qscale==8);
{
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
int overflow;
s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
}else
s->block_last_index[i]= -1;
}
if(s->avctx->quantizer_noise_shaping){
for(i=0;i<mb_block_count;i++) {
if(!skip_dct[i]){
s->block_last_index[i] = dct_quantize_refine(s, s->block[i], weight[i], orig[i], i, s->qscale);
}
}
}
if(s->luma_elim_threshold && !s->mb_intra)
for(i=0; i<4; i++)
dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
if(s->chroma_elim_threshold && !s->mb_intra)
for(i=4; i<mb_block_count; i++)
dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
if(s->flags & CODEC_FLAG_CBP_RD){
for(i=0;i<mb_block_count;i++) {
if(s->block_last_index[i] == -1)
s->coded_score[i]= INT_MAX/256;
}
}
}
if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
s->block_last_index[4]=
s->block_last_index[5]= 0;
s->block[4][0]=
s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
}
if(s->alternate_scan && s->dct_quantize != dct_quantize_c){
for(i=0; i<mb_block_count; i++){
int j;
if(s->block_last_index[i]>0){
for(j=63; j>0; j--){
if(s->block[i][ s->intra_scantable.permutated[j] ]) break;
}
s->block_last_index[i]= j;
}
}
}
switch(s->codec_id){
case CODEC_ID_MPEG1VIDEO:
case CODEC_ID_MPEG2VIDEO:
if (ENABLE_MPEG1VIDEO_ENCODER || ENABLE_MPEG2VIDEO_ENCODER)
mpeg1_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MPEG4:
if (ENABLE_MPEG4_ENCODER)
mpeg4_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MSMPEG4V2:
case CODEC_ID_MSMPEG4V3:
case CODEC_ID_WMV1:
if (ENABLE_MSMPEG4_ENCODER)
msmpeg4_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_WMV2:
if (ENABLE_WMV2_ENCODER)
ff_wmv2_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_H261:
if (ENABLE_H261_ENCODER)
ff_h261_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_H263:
case CODEC_ID_H263P:
case CODEC_ID_FLV1:
case CODEC_ID_RV10:
case CODEC_ID_RV20:
if (ENABLE_H263_ENCODER || ENABLE_H263P_ENCODER ||
ENABLE_FLV_ENCODER || ENABLE_RV10_ENCODER || ENABLE_RV20_ENCODER)
h263_encode_mb(s, s->block, motion_x, motion_y);
break;
case CODEC_ID_MJPEG:
if (ENABLE_MJPEG_ENCODER)
ff_mjpeg_encode_mb(s, s->block);
break;
default:
assert(0);
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L1641 |
d2a_code_data_45856 | static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_RSA
unsigned char *encdata = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *pctx = NULL;
size_t enclen;
unsigned char *pms = NULL;
size_t pmslen = 0;
if (s->session->peer == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
}
pkey = X509_get0_pubkey(s->session->peer);
if (EVP_PKEY_get0_RSA(pkey) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
}
pmslen = SSL_MAX_MASTER_KEY_LENGTH;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_MALLOC_FAILURE);
return 0;
}
pms[0] = s->client_version >> 8;
pms[1] = s->client_version & 0xff;
if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_MALLOC_FAILURE);
goto err;
}
if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new(pkey, NULL);
if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0
|| EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_EVP_LIB);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)
|| EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
SSL_R_BAD_RSA_ENCRYPT);
goto err;
}
EVP_PKEY_CTX_free(pctx);
pctx = NULL;
if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) {
goto err;
}
s->s3->tmp.pms = pms;
s->s3->tmp.pmslen = pmslen;
return 1;
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return 0;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS_CONSTRUCT_CKE_RSA,
ERR_R_INTERNAL_ERROR);
return 0;
#endif
} | https://github.com/openssl/openssl/blob/d5487a454c485eb6f9aef7fb0cb1c0681a06fd25/ssl/statem/statem_clnt.c/#L2956 |
d2a_code_data_45857 | static av_always_inline int epzs_motion_search_internal(MpegEncContext * s, int *mx_ptr, int *my_ptr,
int P[10][2], int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale, int flags, int size, int h)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d;
int dmin;
int map_generation;
int penalty_factor;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y*ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
LOAD_COMMON2
if(c->pre_pass){
penalty_factor= c->pre_penalty_factor;
cmpf= s->dsp.me_pre_cmp[size];
chroma_cmpf= s->dsp.me_pre_cmp[size+1];
}else{
penalty_factor= c->penalty_factor;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
}
map_generation= update_map_generation(c);
assert(cmpf);
dmin= cmp(s, 0, 0, 0, 0, size, h, ref_index, src_index, cmpf, chroma_cmpf, flags);
map[0]= map_generation;
score_map[0]= dmin;
if((s->pict_type == FF_B_TYPE && !(c->flags & FLAG_DIRECT)) || s->flags&CODEC_FLAG_MV0)
dmin += (mv_penalty[pred_x] + mv_penalty[pred_y])*penalty_factor;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}else{
if(dmin<((h*h*s->avctx->mv0_threshold)>>8)
&& ( P_LEFT[0] |P_LEFT[1]
|P_TOP[0] |P_TOP[1]
|P_TOPRIGHT[0]|P_TOPRIGHT[1])==0){
*mx_ptr= 0;
*my_ptr= 0;
c->skip=1;
return dmin;
}
CHECK_MV( P_MEDIAN[0] >>shift , P_MEDIAN[1] >>shift)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)-1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift) , (P_MEDIAN[1]>>shift)+1)
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)-1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((P_MEDIAN[0]>>shift)+1, (P_MEDIAN[1]>>shift) )
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_LEFT[0] >>shift, P_LEFT[1] >>shift)
CHECK_MV(P_TOP[0] >>shift, P_TOP[1] >>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
}
if(dmin>h*h*4){
if(c->pre_pass){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-1][1]*ref_mv_scale + (1<<15))>>16)
if(!s->first_slice_line)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy-ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy-ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}else{
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
}
if(c->avctx->last_predictor_count){
const int count= c->avctx->last_predictor_count;
const int xstart= FFMAX(0, s->mb_x - count);
const int ystart= FFMAX(0, s->mb_y - count);
const int xend= FFMIN(s->mb_width , s->mb_x + count + 1);
const int yend= FFMIN(s->mb_height, s->mb_y + count + 1);
int mb_y;
for(mb_y=ystart; mb_y<yend; mb_y++){
int mb_x;
for(mb_x=xstart; mb_x<xend; mb_x++){
const int xy= mb_x + 1 + (mb_y + 1)*ref_mv_stride;
int mx= (last_mv[xy][0]*ref_mv_scale + (1<<15))>>16;
int my= (last_mv[xy][1]*ref_mv_scale + (1<<15))>>16;
if(mx>xmax || mx<xmin || my>ymax || my<ymin) continue;
CHECK_MV(mx,my)
}
}
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1060 |
d2a_code_data_45858 | int
ff_rm_retrieve_cache (AVFormatContext *s, AVIOContext *pb,
AVStream *st, RMStream *ast, AVPacket *pkt)
{
RMDemuxContext *rm = s->priv_data;
assert (rm->audio_pkt_cnt > 0);
if (ast->deint_id == DEINT_ID_VBRF ||
ast->deint_id == DEINT_ID_VBRS)
av_get_packet(pb, pkt, ast->sub_packet_lengths[ast->sub_packet_cnt - rm->audio_pkt_cnt]);
else {
av_new_packet(pkt, st->codec->block_align);
memcpy(pkt->data, ast->pkt.data + st->codec->block_align *
(ast->sub_packet_h * ast->audio_framesize / st->codec->block_align - rm->audio_pkt_cnt),
st->codec->block_align);
}
rm->audio_pkt_cnt--;
if ((pkt->pts = ast->audiotimestamp) != AV_NOPTS_VALUE) {
ast->audiotimestamp = AV_NOPTS_VALUE;
pkt->flags = AV_PKT_FLAG_KEY;
} else
pkt->flags = 0;
pkt->stream_index = st->index;
return rm->audio_pkt_cnt;
} | https://github.com/libav/libav/blob/2f6528537fdd88820f3a4683d5e595d7b3a62689/libavformat/rmdec.c/#L839 |
d2a_code_data_45859 | static char *
ngx_http_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
{
ngx_int_t rc, index;
ngx_str_t *value, name;
ngx_uint_t i, key;
ngx_http_map_conf_ctx_t *ctx;
ngx_http_variable_value_t *var, **vp;
ctx = cf->ctx;
value = cf->args->elts;
if (cf->args->nelts == 1
&& ngx_strcmp(value[0].data, "hostnames") == 0)
{
ctx->hostnames = 1;
return NGX_CONF_OK;
} else if (cf->args->nelts != 2) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid number of the map parameters");
return NGX_CONF_ERROR;
}
if (ngx_strcmp(value[0].data, "include") == 0) {
return ngx_conf_include(cf, dummy, conf);
}
if (value[1].data[0] == '$') {
name = value[1];
name.len--;
name.data++;
index = ngx_http_get_variable_index(ctx->cf, &name);
if (index == NGX_ERROR) {
return NGX_CONF_ERROR;
}
var = ctx->var_values.elts;
for (i = 0; i < ctx->var_values.nelts; i++) {
if (index == (ngx_int_t) var[i].data) {
var = &var[i];
goto found;
}
}
var = ngx_array_push(&ctx->var_values);
if (var == NULL) {
return NGX_CONF_ERROR;
}
var->valid = 0;
var->no_cacheable = 0;
var->not_found = 0;
var->len = 0;
var->data = (u_char *) index;
goto found;
}
key = 0;
for (i = 0; i < value[1].len; i++) {
key = ngx_hash(key, value[1].data[i]);
}
key %= ctx->keys.hsize;
vp = ctx->values_hash[key].elts;
if (vp) {
for (i = 0; i < ctx->values_hash[key].nelts; i++) {
if (value[1].len != (size_t) vp[i]->len) {
continue;
}
if (ngx_strncmp(value[1].data, vp[i]->data, value[1].len) == 0) {
var = vp[i];
goto found;
}
}
} else {
if (ngx_array_init(&ctx->values_hash[key], cf->pool, 4,
sizeof(ngx_http_variable_value_t *))
!= NGX_OK)
{
return NGX_CONF_ERROR;
}
}
var = ngx_palloc(ctx->keys.pool, sizeof(ngx_http_variable_value_t));
if (var == NULL) {
return NGX_CONF_ERROR;
}
var->len = value[1].len;
var->data = ngx_pstrdup(ctx->keys.pool, &value[1]);
if (var->data == NULL) {
return NGX_CONF_ERROR;
}
var->valid = 1;
var->no_cacheable = 0;
var->not_found = 0;
vp = ngx_array_push(&ctx->values_hash[key]);
if (vp == NULL) {
return NGX_CONF_ERROR;
}
*vp = var;
found:
if (ngx_strcmp(value[0].data, "default") == 0) {
if (ctx->default_value) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"duplicate default map parameter");
return NGX_CONF_ERROR;
}
ctx->default_value = var;
return NGX_CONF_OK;
}
#if (NGX_PCRE)
if (value[0].len && value[0].data[0] == '~') {
ngx_regex_compile_t rc;
ngx_http_map_regex_t *regex;
u_char errstr[NGX_MAX_CONF_ERRSTR];
regex = ngx_array_push(&ctx->regexes);
if (regex == NULL) {
return NGX_CONF_ERROR;
}
value[0].len--;
value[0].data++;
ngx_memzero(&rc, sizeof(ngx_regex_compile_t));
if (value[0].data[0] == '*') {
value[0].len--;
value[0].data++;
rc.options = NGX_REGEX_CASELESS;
}
rc.pattern = value[0];
rc.err.len = NGX_MAX_CONF_ERRSTR;
rc.err.data = errstr;
regex->regex = ngx_http_regex_compile(ctx->cf, &rc);
if (regex->regex == NULL) {
return NGX_CONF_ERROR;
}
regex->value = var;
return NGX_CONF_OK;
}
#endif
if (value[0].len && value[0].data[0] == '\\') {
value[0].len--;
value[0].data++;
}
rc = ngx_hash_add_key(&ctx->keys, &value[0], var,
(ctx->hostnames) ? NGX_HASH_WILDCARD_KEY : 0);
if (rc == NGX_OK) {
return NGX_CONF_OK;
}
if (rc == NGX_DECLINED) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"invalid hostname or wildcard \"%V\"", &value[0]);
}
if (rc == NGX_BUSY) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"conflicting parameter \"%V\"", &value[0]);
}
return NGX_CONF_ERROR;
} | https://github.com/nginx/nginx/blob/7ee8de668c4a3d337eb3997a258e4e40adaf069c/src/http/modules/ngx_http_map_module.c/#L516 |
d2a_code_data_45860 | int ASN1_GENERALIZEDTIME_print(BIO *bp, ASN1_GENERALIZEDTIME *tm)
{
char *v;
int gmt=0;
int i;
int y=0,M=0,d=0,h=0,m=0,s=0;
i=tm->length;
v=(char *)tm->data;
if (i < 12) goto err;
if (v[i-1] == 'Z') gmt=1;
for (i=0; i<12; i++)
if ((v[i] > '9') || (v[i] < '0')) goto err;
y= (v[0]-'0')*1000+(v[1]-'0')*100 + (v[2]-'0')*10+(v[3]-'0');
M= (v[4]-'0')*10+(v[5]-'0');
if ((M > 12) || (M < 1)) goto err;
d= (v[6]-'0')*10+(v[7]-'0');
h= (v[8]-'0')*10+(v[9]-'0');
m= (v[10]-'0')*10+(v[11]-'0');
if ( (v[12] >= '0') && (v[12] <= '9') &&
(v[13] >= '0') && (v[13] <= '9'))
s= (v[12]-'0')*10+(v[13]-'0');
if (BIO_printf(bp,"%s %2d %02d:%02d:%02d %d%s",
mon[M-1],d,h,m,s,y,(gmt)?" GMT":"") <= 0)
return(0);
else
return(1);
err:
BIO_write(bp,"Bad time value",14);
return(0);
} | https://github.com/openssl/openssl/blob/a8b728445c6d2d3f1d3ef568b8bff2b651aa0b52/crypto/asn1/t_x509.c/#L401 |
d2a_code_data_45861 | void
ngx_md5_update(ngx_md5_t *ctx, const void *data, size_t size)
{
size_t used, free;
used = (size_t) (ctx->bytes & 0x3f);
ctx->bytes += size;
if (used) {
free = 64 - used;
if (size < free) {
ngx_memcpy(&ctx->buffer[used], data, size);
return;
}
ngx_memcpy(&ctx->buffer[used], data, free);
data = (u_char *) data + free;
size -= free;
(void) ngx_md5_body(ctx, ctx->buffer, 64);
}
if (size >= 64) {
data = ngx_md5_body(ctx, data, size & ~(size_t) 0x3f);
size &= 0x3f;
}
ngx_memcpy(ctx->buffer, data, size);
} | https://github.com/nginx/nginx/blob/5544756296e5abaecb5f640753d6de939b701035/src/core/ngx_md5.c/#L48 |
d2a_code_data_45862 | static int vp3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
Vp3DecodeContext *s = avctx->priv_data;
GetBitContext gb;
static int counter = 0;
int i;
init_get_bits(&gb, buf, buf_size * 8);
if (s->theora && get_bits1(&gb))
{
av_log(avctx, AV_LOG_ERROR, "Header packet passed to frame decoder, skipping\n");
return -1;
}
s->keyframe = !get_bits1(&gb);
if (!s->theora)
skip_bits(&gb, 1);
for (i = 0; i < 3; i++)
s->last_qps[i] = s->qps[i];
s->nqps=0;
do{
s->qps[s->nqps++]= get_bits(&gb, 6);
} while(s->theora >= 0x030200 && s->nqps<3 && get_bits1(&gb));
for (i = s->nqps; i < 3; i++)
s->qps[i] = -1;
if (s->avctx->debug & FF_DEBUG_PICT_INFO)
av_log(s->avctx, AV_LOG_INFO, " VP3 %sframe #%d: Q index = %d\n",
s->keyframe?"key":"", counter, s->qps[0]);
counter++;
if (s->qps[0] != s->last_qps[0])
init_loop_filter(s);
for (i = 0; i < s->nqps; i++)
if (s->qps[i] != s->last_qps[i] || s->qps[0] != s->last_qps[0])
init_dequantizer(s, i);
if (avctx->skip_frame >= AVDISCARD_NONKEY && !s->keyframe)
return buf_size;
s->current_frame.reference = 3;
s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
if (avctx->get_buffer(avctx, &s->current_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
if (s->keyframe) {
if (!s->theora)
{
skip_bits(&gb, 4);
skip_bits(&gb, 4);
if (s->version)
{
s->version = get_bits(&gb, 5);
if (counter == 1)
av_log(s->avctx, AV_LOG_DEBUG, "VP version: %d\n", s->version);
}
}
if (s->version || s->theora)
{
if (get_bits1(&gb))
av_log(s->avctx, AV_LOG_ERROR, "Warning, unsupported keyframe coding type?!\n");
skip_bits(&gb, 2);
}
} else {
if (!s->golden_frame.data[0]) {
av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n");
s->golden_frame.reference = 3;
s->golden_frame.pict_type = FF_I_TYPE;
if (avctx->get_buffer(avctx, &s->golden_frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
goto error;
}
s->last_frame = s->golden_frame;
s->last_frame.type = FF_BUFFER_TYPE_COPY;
}
}
s->current_frame.qscale_table= s->qscale_table;
s->current_frame.qstride= 0;
memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
if (unpack_superblocks(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_superblocks\n");
goto error;
}
if (unpack_modes(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_modes\n");
goto error;
}
if (unpack_vectors(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_vectors\n");
goto error;
}
if (unpack_block_qpis(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_block_qpis\n");
goto error;
}
if (unpack_dct_coeffs(s, &gb)){
av_log(s->avctx, AV_LOG_ERROR, "error in unpack_dct_coeffs\n");
goto error;
}
for (i = 0; i < 3; i++) {
int height = s->height >> (i && s->chroma_y_shift);
if (s->flipped_image)
s->data_offset[i] = 0;
else
s->data_offset[i] = (height-1) * s->current_frame.linesize[i];
}
s->last_slice_end = 0;
for (i = 0; i < s->c_superblock_height; i++)
render_slice(s, i);
for (i = 0; i < 3; i++) {
int row = (s->height >> (3+(i && s->chroma_y_shift))) - 1;
apply_loop_filter(s, i, row, row+1);
}
vp3_draw_horiz_band(s, s->height);
*data_size=sizeof(AVFrame);
*(AVFrame*)data= s->current_frame;
if (s->last_frame.data[0] && s->last_frame.type != FF_BUFFER_TYPE_COPY)
avctx->release_buffer(avctx, &s->last_frame);
s->last_frame= s->current_frame;
if (s->keyframe) {
if (s->golden_frame.data[0])
avctx->release_buffer(avctx, &s->golden_frame);
s->golden_frame = s->current_frame;
s->last_frame.type = FF_BUFFER_TYPE_COPY;
}
s->current_frame.data[0]= NULL;
return buf_size;
error:
if (s->current_frame.data[0])
avctx->release_buffer(avctx, &s->current_frame);
return -1;
} | https://github.com/libav/libav/blob/5ae092ee34bd8a174306abdd5cd8bf6eea4a2f8e/libavcodec/vp3.c/#L1716 |
d2a_code_data_45863 | static int epzs_motion_search4(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int P[10][2],
int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
const int h=8;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
int flags= c->flags;
LOAD_COMMON2
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(c);
dmin = 1000000;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
if(dmin>64*4){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1168 |
d2a_code_data_45864 | static ngx_int_t
ngx_http_header_filter(ngx_http_request_t *r)
{
u_char *p;
size_t len;
ngx_str_t host, *status_line;
ngx_buf_t *b;
ngx_uint_t status, i, port;
ngx_chain_t out;
ngx_list_part_t *part;
ngx_table_elt_t *header;
ngx_http_core_loc_conf_t *clcf;
ngx_http_core_srv_conf_t *cscf;
struct sockaddr_in *sin;
#if (NGX_HAVE_INET6)
struct sockaddr_in6 *sin6;
#endif
u_char addr[NGX_SOCKADDR_STRLEN];
r->header_sent = 1;
if (r != r->main) {
return NGX_OK;
}
if (r->http_version < NGX_HTTP_VERSION_10) {
return NGX_OK;
}
if (r->method == NGX_HTTP_HEAD) {
r->header_only = 1;
}
if (r->headers_out.last_modified_time != -1) {
if (r->headers_out.status != NGX_HTTP_OK
&& r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT
&& r->headers_out.status != NGX_HTTP_NOT_MODIFIED)
{
r->headers_out.last_modified_time = -1;
r->headers_out.last_modified = NULL;
}
}
len = sizeof("HTTP/1.x ") - 1 + sizeof(CRLF) - 1
+ sizeof(CRLF) - 1;
if (r->headers_out.status_line.len) {
len += r->headers_out.status_line.len;
status_line = &r->headers_out.status_line;
#if (NGX_SUPPRESS_WARN)
status = 0;
#endif
} else {
status = r->headers_out.status;
if (status >= NGX_HTTP_OK
&& status < NGX_HTTP_LAST_LEVEL_200)
{
if (status == NGX_HTTP_NO_CONTENT) {
r->header_only = 1;
r->headers_out.content_type.len = 0;
r->headers_out.content_type.data = NULL;
r->headers_out.last_modified_time = -1;
r->headers_out.last_modified = NULL;
r->headers_out.content_length = NULL;
r->headers_out.content_length_n = -1;
}
status -= NGX_HTTP_OK;
status_line = &ngx_http_status_lines[status];
len += ngx_http_status_lines[status].len;
} else if (status >= NGX_HTTP_MOVED_PERMANENTLY
&& status < NGX_HTTP_LAST_LEVEL_300)
{
if (status == NGX_HTTP_NOT_MODIFIED) {
r->header_only = 1;
}
status = status - NGX_HTTP_MOVED_PERMANENTLY + NGX_HTTP_LEVEL_200;
status_line = &ngx_http_status_lines[status];
len += ngx_http_status_lines[status].len;
} else if (status >= NGX_HTTP_BAD_REQUEST
&& status < NGX_HTTP_LAST_LEVEL_400)
{
status = status - NGX_HTTP_BAD_REQUEST
+ NGX_HTTP_LEVEL_200
+ NGX_HTTP_LEVEL_300;
status_line = &ngx_http_status_lines[status];
len += ngx_http_status_lines[status].len;
} else if (status >= NGX_HTTP_INTERNAL_SERVER_ERROR
&& status < NGX_HTTP_LAST_LEVEL_500)
{
status = status - NGX_HTTP_INTERNAL_SERVER_ERROR
+ NGX_HTTP_LEVEL_200
+ NGX_HTTP_LEVEL_300
+ NGX_HTTP_LEVEL_400;
status_line = &ngx_http_status_lines[status];
len += ngx_http_status_lines[status].len;
} else {
len += NGX_INT_T_LEN;
status_line = NULL;
}
}
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (r->headers_out.server == NULL) {
len += clcf->server_tokens ? sizeof(ngx_http_server_full_string) - 1:
sizeof(ngx_http_server_string) - 1;
}
if (r->headers_out.date == NULL) {
len += sizeof("Date: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
}
if (r->headers_out.content_type.len) {
len += sizeof("Content-Type: ") - 1
+ r->headers_out.content_type.len + 2;
if (r->headers_out.content_type_len == r->headers_out.content_type.len
&& r->headers_out.charset.len)
{
len += sizeof("; charset=") - 1 + r->headers_out.charset.len;
}
}
if (r->headers_out.content_length == NULL
&& r->headers_out.content_length_n >= 0)
{
len += sizeof("Content-Length: ") - 1 + NGX_OFF_T_LEN + 2;
}
if (r->headers_out.last_modified == NULL
&& r->headers_out.last_modified_time != -1)
{
len += sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
}
if (r->headers_out.location
&& r->headers_out.location->value.len
&& r->headers_out.location->value.data[0] == '/')
{
r->headers_out.location->hash = 0;
if (clcf->server_name_in_redirect) {
cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
host = cscf->server_name;
} else if (r->headers_in.server.len) {
host = r->headers_in.server;
} else {
host.len = NGX_SOCKADDR_STRLEN;
host.data = addr;
if (ngx_http_server_addr(r, &host) != NGX_OK) {
return NGX_ERROR;
}
}
switch (r->connection->local_sockaddr->sa_family) {
#if (NGX_HAVE_INET6)
case AF_INET6:
sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;
port = ntohs(sin6->sin6_port);
break;
#endif
default:
sin = (struct sockaddr_in *) r->connection->local_sockaddr;
port = ntohs(sin->sin_port);
break;
}
len += sizeof("Location: https://") - 1
+ host.len
+ r->headers_out.location->value.len + 2;
if (clcf->port_in_redirect) {
#if (NGX_HTTP_SSL)
if (r->connection->ssl)
port = (port == 443) ? 0 : port;
else
#endif
port = (port == 80) ? 0 : port;
}
if (port) {
len += sizeof(":65535") - 1;
}
} else {
host.len = 0;
host.data = NULL;
port = 0;
}
if (r->chunked) {
len += sizeof("Transfer-Encoding: chunked" CRLF) - 1;
}
if (r->keepalive) {
len += sizeof("Connection: keep-alive" CRLF) - 1;
if (clcf->keepalive_header) {
len += sizeof("Keep-Alive: timeout=") - 1 + NGX_TIME_T_LEN + 2;
}
} else {
len += sizeof("Connection: closed" CRLF) - 1;
}
#if (NGX_HTTP_GZIP)
if (r->gzip && clcf->gzip_vary) {
len += sizeof("Vary: Accept-Encoding" CRLF) - 1;
}
#endif
part = &r->headers_out.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
if (header[i].hash == 0) {
continue;
}
len += header[i].key.len + sizeof(": ") - 1 + header[i].value.len
+ sizeof(CRLF) - 1;
}
b = ngx_create_temp_buf(r->pool, len);
if (b == NULL) {
return NGX_ERROR;
}
b->last = ngx_cpymem(b->last, "HTTP/1.1 ", sizeof("HTTP/1.x ") - 1);
if (status_line) {
b->last = ngx_copy(b->last, status_line->data, status_line->len);
} else {
b->last = ngx_sprintf(b->last, "%ui", status);
}
*b->last++ = CR; *b->last++ = LF;
if (r->headers_out.server == NULL) {
if (clcf->server_tokens) {
p = (u_char *) ngx_http_server_full_string;
len = sizeof(ngx_http_server_full_string) - 1;
} else {
p = (u_char *) ngx_http_server_string;
len = sizeof(ngx_http_server_string) - 1;
}
b->last = ngx_cpymem(b->last, p, len);
}
if (r->headers_out.date == NULL) {
b->last = ngx_cpymem(b->last, "Date: ", sizeof("Date: ") - 1);
b->last = ngx_cpymem(b->last, ngx_cached_http_time.data,
ngx_cached_http_time.len);
*b->last++ = CR; *b->last++ = LF;
}
if (r->headers_out.content_type.len) {
b->last = ngx_cpymem(b->last, "Content-Type: ",
sizeof("Content-Type: ") - 1);
p = b->last;
b->last = ngx_copy(b->last, r->headers_out.content_type.data,
r->headers_out.content_type.len);
if (r->headers_out.content_type_len == r->headers_out.content_type.len
&& r->headers_out.charset.len)
{
b->last = ngx_cpymem(b->last, "; charset=",
sizeof("; charset=") - 1);
b->last = ngx_copy(b->last, r->headers_out.charset.data,
r->headers_out.charset.len);
r->headers_out.content_type.len = b->last - p;
r->headers_out.content_type.data = p;
}
*b->last++ = CR; *b->last++ = LF;
}
if (r->headers_out.content_length == NULL
&& r->headers_out.content_length_n >= 0)
{
b->last = ngx_sprintf(b->last, "Content-Length: %O" CRLF,
r->headers_out.content_length_n);
}
if (r->headers_out.last_modified == NULL
&& r->headers_out.last_modified_time != -1)
{
b->last = ngx_cpymem(b->last, "Last-Modified: ",
sizeof("Last-Modified: ") - 1);
b->last = ngx_http_time(b->last, r->headers_out.last_modified_time);
*b->last++ = CR; *b->last++ = LF;
}
if (host.data) {
p = b->last + sizeof("Location: ") - 1;
b->last = ngx_cpymem(b->last, "Location: http",
sizeof("Location: http") - 1);
#if (NGX_HTTP_SSL)
if (r->connection->ssl) {
*b->last++ ='s';
}
#endif
*b->last++ = ':'; *b->last++ = '/'; *b->last++ = '/';
b->last = ngx_copy(b->last, host.data, host.len);
if (port) {
b->last = ngx_sprintf(b->last, ":%ui", port);
}
b->last = ngx_copy(b->last, r->headers_out.location->value.data,
r->headers_out.location->value.len);
r->headers_out.location->value.len = b->last - p;
r->headers_out.location->value.data = p;
r->headers_out.location->key.len = sizeof("Location: ") - 1;
r->headers_out.location->key.data = (u_char *) "Location: ";
*b->last++ = CR; *b->last++ = LF;
}
if (r->chunked) {
b->last = ngx_cpymem(b->last, "Transfer-Encoding: chunked" CRLF,
sizeof("Transfer-Encoding: chunked" CRLF) - 1);
}
if (r->keepalive) {
b->last = ngx_cpymem(b->last, "Connection: keep-alive" CRLF,
sizeof("Connection: keep-alive" CRLF) - 1);
if (clcf->keepalive_header) {
b->last = ngx_sprintf(b->last, "Keep-Alive: timeout=%T" CRLF,
clcf->keepalive_header);
}
} else {
b->last = ngx_cpymem(b->last, "Connection: close" CRLF,
sizeof("Connection: close" CRLF) - 1);
}
#if (NGX_HTTP_GZIP)
if (r->gzip && clcf->gzip_vary) {
b->last = ngx_cpymem(b->last, "Vary: Accept-Encoding" CRLF,
sizeof("Vary: Accept-Encoding" CRLF) - 1);
}
#endif
part = &r->headers_out.headers.part;
header = part->elts;
for (i = 0; ; i++) {
if (i >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
header = part->elts;
i = 0;
}
if (header[i].hash == 0) {
continue;
}
b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
*b->last++ = ':'; *b->last++ = ' ';
b->last = ngx_copy(b->last, header[i].value.data, header[i].value.len);
*b->last++ = CR; *b->last++ = LF;
}
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"%*s", (size_t) (b->last - b->pos), b->pos);
*b->last++ = CR; *b->last++ = LF;
r->header_size = b->last - b->pos;
if (r->header_only) {
b->last_buf = 1;
}
out.buf = b;
out.next = NULL;
return ngx_http_write_filter(r, &out);
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/http/ngx_http_header_filter_module.c/#L474 |
d2a_code_data_45865 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
r->neg = a->neg;
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_shift.c/#L110 |
d2a_code_data_45866 | int MAIN(int argc, char **argv)
{
int ret=1,i;
int verbose=0,Verbose=0;
int use_supported = 0;
#ifndef OPENSSL_NO_SSL_TRACE
int stdname = 0;
#endif
const char **pp;
const char *p;
int badops=0;
SSL_CTX *ctx=NULL;
SSL *ssl=NULL;
char *ciphers=NULL;
const SSL_METHOD *meth=NULL;
STACK_OF(SSL_CIPHER) *sk;
char buf[512];
BIO *STDout=NULL;
#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
meth=SSLv23_server_method();
#elif !defined(OPENSSL_NO_SSL3)
meth=SSLv3_server_method();
#elif !defined(OPENSSL_NO_SSL2)
meth=SSLv2_server_method();
#endif
apps_startup();
if (bio_err == NULL)
bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
STDout=BIO_new_fp(stdout,BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
{
BIO *tmpbio = BIO_new(BIO_f_linebuffer());
STDout = BIO_push(tmpbio, STDout);
}
#endif
if (!load_config(bio_err, NULL))
goto end;
argc--;
argv++;
while (argc >= 1)
{
if (strcmp(*argv,"-v") == 0)
verbose=1;
else if (strcmp(*argv,"-V") == 0)
verbose=Verbose=1;
else if (strcmp(*argv,"-s") == 0)
use_supported = 1;
#ifndef OPENSSL_NO_SSL_TRACE
else if (strcmp(*argv,"-stdname") == 0)
stdname=verbose=1;
#endif
#ifndef OPENSSL_NO_SSL2
else if (strcmp(*argv,"-ssl2") == 0)
meth=SSLv2_client_method();
#endif
#ifndef OPENSSL_NO_SSL3
else if (strcmp(*argv,"-ssl3") == 0)
meth=SSLv3_client_method();
#endif
#ifndef OPENSSL_NO_TLS1
else if (strcmp(*argv,"-tls1") == 0)
meth=TLSv1_client_method();
#endif
else if ((strncmp(*argv,"-h",2) == 0) ||
(strcmp(*argv,"-?") == 0))
{
badops=1;
break;
}
else
{
ciphers= *argv;
}
argc--;
argv++;
}
if (badops)
{
for (pp=ciphers_usage; (*pp != NULL); pp++)
BIO_printf(bio_err,"%s",*pp);
goto end;
}
OpenSSL_add_ssl_algorithms();
ctx=SSL_CTX_new(meth);
if (ctx == NULL) goto err;
if (ciphers != NULL) {
if(!SSL_CTX_set_cipher_list(ctx,ciphers)) {
BIO_printf(bio_err, "Error in cipher list\n");
goto err;
}
}
ssl=SSL_new(ctx);
if (ssl == NULL) goto err;
if (use_supported)
sk=SSL_get1_supported_ciphers(ssl);
else
sk=SSL_get_ciphers(ssl);
if (!verbose)
{
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
SSL_CIPHER *c = sk_SSL_CIPHER_value(sk,i);
p = SSL_CIPHER_get_name(c);
if (p == NULL) break;
if (i != 0) BIO_printf(STDout,":");
BIO_printf(STDout,"%s",p);
}
BIO_printf(STDout,"\n");
}
else
{
for (i=0; i<sk_SSL_CIPHER_num(sk); i++)
{
SSL_CIPHER *c;
c = sk_SSL_CIPHER_value(sk,i);
if (Verbose)
{
unsigned long id = SSL_CIPHER_get_id(c);
int id0 = (int)(id >> 24);
int id1 = (int)((id >> 16) & 0xffL);
int id2 = (int)((id >> 8) & 0xffL);
int id3 = (int)(id & 0xffL);
if ((id & 0xff000000L) == 0x02000000L)
BIO_printf(STDout, " 0x%02X,0x%02X,0x%02X - ", id1, id2, id3);
else if ((id & 0xff000000L) == 0x03000000L)
BIO_printf(STDout, " 0x%02X,0x%02X - ", id2, id3);
else
BIO_printf(STDout, "0x%02X,0x%02X,0x%02X,0x%02X - ", id0, id1, id2, id3);
}
#ifndef OPENSSL_NO_SSL_TRACE
if (stdname)
{
const char *nm = SSL_CIPHER_standard_name(c);
if (nm == NULL)
nm = "UNKNOWN";
BIO_printf(STDout, "%s - ", nm);
}
#endif
BIO_puts(STDout,SSL_CIPHER_description(c,buf,sizeof buf));
}
}
ret=0;
if (0)
{
err:
SSL_load_error_strings();
ERR_print_errors(bio_err);
}
end:
if (use_supported && sk)
sk_SSL_CIPHER_free(sk);
if (ctx != NULL) SSL_CTX_free(ctx);
if (ssl != NULL) SSL_free(ssl);
if (STDout != NULL) BIO_free_all(STDout);
apps_shutdown();
OPENSSL_EXIT(ret);
} | https://github.com/openssl/openssl/blob/66f96fe2d519147097c118d4bf60704c69ed0635/apps/ciphers.c/#L248 |
d2a_code_data_45867 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/529586085e38487d45974817d4f3ff40f30e19f6/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_45868 | static int append_buf(char **buf, int *size, const char *s)
{
const int expand = 256;
int len = strlen(s) + 1;
char *p = *buf;
if (p == NULL) {
*size = ((len + expand - 1) / expand) * expand;
p = *buf = app_malloc(*size, "engine buffer");
} else {
const int blen = strlen(p);
if (blen > 0)
len += 2 + blen;
if (len > *size) {
*size = ((len + expand - 1) / expand) * expand;
p = OPENSSL_realloc(p, *size);
if (p == NULL) {
OPENSSL_free(*buf);
*buf = NULL;
return 0;
}
*buf = p;
}
if (blen > 0) {
p += blen;
*p++ = ',';
*p++ = ' ';
}
}
strcpy(p, s);
return 1;
} | https://github.com/openssl/openssl/blob/de2f409ef9de775df6db2c7de69b7bb0df21e380/apps/engine.c/#L82 |
d2a_code_data_45869 | static int
dtls1_process_out_of_seq_message(SSL *s, const struct hm_header_st *msg_hdr,
int *ok)
{
int i = -1;
hm_fragment *frag = NULL;
pitem *item = NULL;
unsigned char seq64be[8];
unsigned long frag_len = msg_hdr->frag_len;
if ((msg_hdr->frag_off + frag_len) > msg_hdr->msg_len)
goto err;
memset(seq64be, 0, sizeof(seq64be));
seq64be[6] = (unsigned char)(msg_hdr->seq >> 8);
seq64be[7] = (unsigned char)msg_hdr->seq;
item = pqueue_find(s->d1->buffered_messages, seq64be);
if (item != NULL && frag_len != msg_hdr->msg_len)
item = NULL;
if (msg_hdr->seq <= s->d1->handshake_read_seq ||
msg_hdr->seq > s->d1->handshake_read_seq + 10 || item != NULL ||
(s->d1->handshake_read_seq == 0 && msg_hdr->type == SSL3_MT_FINISHED))
{
unsigned char devnull[256];
while (frag_len) {
i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, NULL,
devnull,
frag_len >
sizeof(devnull) ? sizeof(devnull) :
frag_len, 0);
if (i <= 0)
goto err;
frag_len -= i;
}
} else {
if (frag_len != msg_hdr->msg_len)
return dtls1_reassemble_fragment(s, msg_hdr, ok);
if (frag_len > dtls1_max_handshake_message_len(s))
goto err;
frag = dtls1_hm_fragment_new(frag_len, 0);
if (frag == NULL)
goto err;
memcpy(&(frag->msg_header), msg_hdr, sizeof(*msg_hdr));
if (frag_len) {
i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE, NULL,
frag->fragment, frag_len, 0);
if ((unsigned long)i != frag_len)
i = -1;
if (i <= 0)
goto err;
}
item = pitem_new(seq64be, frag);
if (item == NULL)
goto err;
item = pqueue_insert(s->d1->buffered_messages, item);
OPENSSL_assert(item != NULL);
}
return DTLS1_HM_FRAGMENT_RETRY;
err:
if (item == NULL)
dtls1_hm_fragment_free(frag);
*ok = 0;
return i;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/statem/statem_dtls.c/#L789 |
d2a_code_data_45870 | static int decode_mb_cabac(H264Context *h) {
MpegEncContext * const s = &h->s;
const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
int mb_type, partition_count, cbp = 0;
int dct8x8_allowed= h->pps.transform_8x8_mode;
s->dsp.clear_blocks(h->mb);
tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
if( h->slice_type != FF_I_TYPE && h->slice_type != FF_SI_TYPE ) {
int skip;
if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
predict_field_decoding_flag(h);
if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
skip = h->next_mb_skipped;
else
skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
if( skip ) {
if( FRAME_MBAFF && (s->mb_y&1)==0 ){
s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
if(h->next_mb_skipped)
predict_field_decoding_flag(h);
else
h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}
decode_mb_skip(h);
h->cbp_table[mb_xy] = 0;
h->chroma_pred_mode_table[mb_xy] = 0;
h->last_qscale_diff = 0;
return 0;
}
}
if(FRAME_MBAFF){
if( (s->mb_y&1) == 0 )
h->mb_mbaff =
h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
}else
h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
h->prev_mb_skipped = 0;
compute_mb_neighbors(h);
if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
return -1;
}
if( h->slice_type == FF_B_TYPE ) {
if( mb_type < 23 ){
partition_count= b_mb_type_info[mb_type].partition_count;
mb_type= b_mb_type_info[mb_type].type;
}else{
mb_type -= 23;
goto decode_intra_mb;
}
} else if( h->slice_type == FF_P_TYPE ) {
if( mb_type < 5) {
partition_count= p_mb_type_info[mb_type].partition_count;
mb_type= p_mb_type_info[mb_type].type;
} else {
mb_type -= 5;
goto decode_intra_mb;
}
} else {
assert(h->slice_type == FF_I_TYPE);
decode_intra_mb:
partition_count = 0;
cbp= i_mb_type_info[mb_type].cbp;
h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
mb_type= i_mb_type_info[mb_type].type;
}
if(MB_FIELD)
mb_type |= MB_TYPE_INTERLACED;
h->slice_table[ mb_xy ]= h->slice_num;
if(IS_INTRA_PCM(mb_type)) {
const uint8_t *ptr;
unsigned int x, y;
ptr= h->cabac.bytestream;
if(h->cabac.low&0x1) ptr--;
if(CABAC_BITS==16){
if(h->cabac.low&0x1FF) ptr--;
}
for(y=0; y<16; y++){
const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
for(x=0; x<16; x++){
tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", *ptr);
h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
}
}
for(y=0; y<8; y++){
const int index= 256 + 4*(y&3) + 32*(y>>2);
for(x=0; x<8; x++){
tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", *ptr);
h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
}
}
for(y=0; y<8; y++){
const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
for(x=0; x<8; x++){
tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", *ptr);
h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
}
}
ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
h->cbp_table[mb_xy] = 0x1ef;
h->chroma_pred_mode_table[mb_xy] = 0;
s->current_picture.qscale_table[mb_xy]= 0;
h->chroma_qp[0] = get_chroma_qp(h, 0, 0);
h->chroma_qp[1] = get_chroma_qp(h, 1, 0);
memset(h->non_zero_count[mb_xy], 16, 16);
s->current_picture.mb_type[mb_xy]= mb_type;
return 0;
}
if(MB_MBAFF){
h->ref_count[0] <<= 1;
h->ref_count[1] <<= 1;
}
fill_caches(h, mb_type, 0);
if( IS_INTRA( mb_type ) ) {
int i, pred_mode;
if( IS_INTRA4x4( mb_type ) ) {
if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
mb_type |= MB_TYPE_8x8DCT;
for( i = 0; i < 16; i+=4 ) {
int pred = pred_intra_mode( h, i );
int mode = decode_cabac_mb_intra4x4_pred_mode( h, pred );
fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 );
}
} else {
for( i = 0; i < 16; i++ ) {
int pred = pred_intra_mode( h, i );
h->intra4x4_pred_mode_cache[ scan8[i] ] = decode_cabac_mb_intra4x4_pred_mode( h, pred );
}
}
write_back_intra_pred_mode(h);
if( check_intra4x4_pred_mode(h) < 0 ) return -1;
} else {
h->intra16x16_pred_mode= check_intra_pred_mode( h, h->intra16x16_pred_mode );
if( h->intra16x16_pred_mode < 0 ) return -1;
}
h->chroma_pred_mode_table[mb_xy] =
pred_mode = decode_cabac_mb_chroma_pre_mode( h );
pred_mode= check_intra_pred_mode( h, pred_mode );
if( pred_mode < 0 ) return -1;
h->chroma_pred_mode= pred_mode;
} else if( partition_count == 4 ) {
int i, j, sub_partition_count[4], list, ref[2][4];
if( h->slice_type == FF_B_TYPE ) {
for( i = 0; i < 4; i++ ) {
h->sub_mb_type[i] = decode_cabac_b_mb_sub_type( h );
sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
pred_direct_motion(h, &mb_type);
h->ref_cache[0][scan8[4]] =
h->ref_cache[1][scan8[4]] =
h->ref_cache[0][scan8[12]] =
h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
for( i = 0; i < 4; i++ )
if( IS_DIRECT(h->sub_mb_type[i]) )
fill_rectangle( &h->direct_cache[scan8[4*i]], 2, 2, 8, 1, 1 );
}
}
} else {
for( i = 0; i < 4; i++ ) {
h->sub_mb_type[i] = decode_cabac_p_mb_sub_type( h );
sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type;
}
}
for( list = 0; list < h->list_count; list++ ) {
for( i = 0; i < 4; i++ ) {
if(IS_DIRECT(h->sub_mb_type[i])) continue;
if(IS_DIR(h->sub_mb_type[i], 0, list)){
if( h->ref_count[list] > 1 )
ref[list][i] = decode_cabac_mb_ref( h, list, 4*i );
else
ref[list][i] = 0;
} else {
ref[list][i] = -1;
}
h->ref_cache[list][ scan8[4*i]+1 ]=
h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
}
}
if(dct8x8_allowed)
dct8x8_allowed = get_dct8x8_allowed(h);
for(list=0; list<h->list_count; list++){
for(i=0; i<4; i++){
h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ];
if(IS_DIRECT(h->sub_mb_type[i])){
fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
continue;
}
if(IS_DIR(h->sub_mb_type[i], 0, list) && !IS_DIRECT(h->sub_mb_type[i])){
const int sub_mb_type= h->sub_mb_type[i];
const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1;
for(j=0; j<sub_partition_count[i]; j++){
int mpx, mpy;
int mx, my;
const int index= 4*i + block_width*j;
int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ];
int16_t (* mvd_cache)[2]= &h->mvd_cache[list][ scan8[index] ];
pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
if(IS_SUB_8X8(sub_mb_type)){
mv_cache[ 1 ][0]=
mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
mv_cache[ 1 ][1]=
mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
mvd_cache[ 1 ][0]=
mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
mvd_cache[ 1 ][1]=
mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
}else if(IS_SUB_8X4(sub_mb_type)){
mv_cache[ 1 ][0]= mx;
mv_cache[ 1 ][1]= my;
mvd_cache[ 1 ][0]= mx - mpx;
mvd_cache[ 1 ][1]= my - mpy;
}else if(IS_SUB_4X8(sub_mb_type)){
mv_cache[ 8 ][0]= mx;
mv_cache[ 8 ][1]= my;
mvd_cache[ 8 ][0]= mx - mpx;
mvd_cache[ 8 ][1]= my - mpy;
}
mv_cache[ 0 ][0]= mx;
mv_cache[ 0 ][1]= my;
mvd_cache[ 0 ][0]= mx - mpx;
mvd_cache[ 0 ][1]= my - mpy;
}
}else{
uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
uint32_t *pd= (uint32_t *)&h->mvd_cache[list][ scan8[4*i] ][0];
p[0] = p[1] = p[8] = p[9] = 0;
pd[0]= pd[1]= pd[8]= pd[9]= 0;
}
}
}
} else if( IS_DIRECT(mb_type) ) {
pred_direct_motion(h, &mb_type);
fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
dct8x8_allowed &= h->sps.direct_8x8_inference_flag;
} else {
int list, mx, my, i, mpx, mpy;
if(IS_16X16(mb_type)){
for(list=0; list<h->list_count; list++){
if(IS_DIR(mb_type, 0, list)){
const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
}
for(list=0; list<h->list_count; list++){
if(IS_DIR(mb_type, 0, list)){
pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
}else
fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
}
}
else if(IS_16X8(mb_type)){
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
}
}
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
}else{
fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
fill_rectangle(h-> mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
}
}
}
}else{
assert(IS_8X16(mb_type));
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, ref, 1);
}else
fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
}
}
for(list=0; list<h->list_count; list++){
for(i=0; i<2; i++){
if(IS_DIR(mb_type, i, list)){
pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
tprintf(s->avctx, "final mv:%d %d\n", mx, my);
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
}else{
fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
fill_rectangle(h-> mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
}
}
}
}
}
if( IS_INTER( mb_type ) ) {
h->chroma_pred_mode_table[mb_xy] = 0;
write_back_motion( h, mb_type );
}
if( !IS_INTRA16x16( mb_type ) ) {
cbp = decode_cabac_mb_cbp_luma( h );
cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
}
h->cbp_table[mb_xy] = h->cbp = cbp;
if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
if( decode_cabac_mb_transform_size( h ) )
mb_type |= MB_TYPE_8x8DCT;
}
s->current_picture.mb_type[mb_xy]= mb_type;
if( cbp || IS_INTRA16x16( mb_type ) ) {
const uint8_t *scan, *scan8x8, *dc_scan;
const uint32_t *qmul;
int dqp;
if(IS_INTERLACED(mb_type)){
scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
scan= s->qscale ? h->field_scan : h->field_scan_q0;
dc_scan= luma_dc_field_scan;
}else{
scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
dc_scan= luma_dc_zigzag_scan;
}
h->last_qscale_diff = dqp = decode_cabac_mb_dqp( h );
if( dqp == INT_MIN ){
av_log(h->s.avctx, AV_LOG_ERROR, "cabac decode of qscale diff failed at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
s->qscale += dqp;
if(((unsigned)s->qscale) > 51){
if(s->qscale<0) s->qscale+= 52;
else s->qscale-= 52;
}
h->chroma_qp[0] = get_chroma_qp(h, 0, s->qscale);
h->chroma_qp[1] = get_chroma_qp(h, 1, s->qscale);
if( IS_INTRA16x16( mb_type ) ) {
int i;
decode_cabac_residual( h, h->mb, 0, 0, dc_scan, NULL, 16);
if( cbp&15 ) {
qmul = h->dequant4_coeff[0][s->qscale];
for( i = 0; i < 16; i++ ) {
decode_cabac_residual(h, h->mb + 16*i, 1, i, scan + 1, qmul, 15);
}
} else {
fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1);
}
} else {
int i8x8, i4x4;
for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
if( cbp & (1<<i8x8) ) {
if( IS_8x8DCT(mb_type) ) {
decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64);
} else {
qmul = h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale];
for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
const int index = 4*i8x8 + i4x4;
decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, qmul, 16);
}
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0;
}
}
}
if( cbp&0x30 ){
int c;
for( c = 0; c < 2; c++ ) {
decode_cabac_residual(h, h->mb + 256 + 16*4*c, 3, c, chroma_dc_scan, NULL, 4);
}
}
if( cbp&0x20 ) {
int c, i;
for( c = 0; c < 2; c++ ) {
qmul = h->dequant4_coeff[c+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[c]];
for( i = 0; i < 4; i++ ) {
const int index = 16 + 4 * c + i;
decode_cabac_residual(h, h->mb + 16*index, 4, index - 16, scan + 1, qmul, 15);
}
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[0];
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
}
} else {
uint8_t * const nnz= &h->non_zero_count_cache[0];
fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
h->last_qscale_diff = 0;
}
s->current_picture.qscale_table[mb_xy]= s->qscale;
write_back_non_zero_count(h);
if(MB_MBAFF){
h->ref_count[0] >>= 1;
h->ref_count[1] >>= 1;
}
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L5808 |
d2a_code_data_45871 | static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby,
const int size, const int h, int ref_index, int src_index,
me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags){
MotionEstContext * const c= &s->me;
const int stride= c->stride;
const int uvstride= c->uvstride;
const int qpel= flags&FLAG_QPEL;
const int chroma= flags&FLAG_CHROMA;
const int dxy= subx + (suby<<(1+qpel));
const int hx= subx + (x<<(1+qpel));
const int hy= suby + (y<<(1+qpel));
uint8_t * const * const ref= c->ref[ref_index];
uint8_t * const * const src= c->src[src_index];
int d;
if(flags&FLAG_DIRECT){
assert(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1));
if(x >= c->xmin && hx <= c->xmax<<(qpel+1) && y >= c->ymin && hy <= c->ymax<<(qpel+1)){
const int time_pp= s->pp_time;
const int time_pb= s->pb_time;
const int mask= 2*qpel+1;
if(s->mv_type==MV_TYPE_8X8){
int i;
for(i=0; i<4; i++){
int fx = c->direct_basis_mv[i][0] + hx;
int fy = c->direct_basis_mv[i][1] + hy;
int bx = hx ? fx - c->co_located_mv[i][0] : c->co_located_mv[i][0]*(time_pb - time_pp)/time_pp + ((i &1)<<(qpel+4));
int by = hy ? fy - c->co_located_mv[i][1] : c->co_located_mv[i][1]*(time_pb - time_pp)/time_pp + ((i>>1)<<(qpel+4));
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
uint8_t *dst= c->temp + 8*(i&1) + 8*stride*(i>>1);
if(qpel){
c->qpel_put[1][fxy](dst, ref[0] + (fx>>2) + (fy>>2)*stride, stride);
c->qpel_avg[1][bxy](dst, ref[8] + (bx>>2) + (by>>2)*stride, stride);
}else{
c->hpel_put[1][fxy](dst, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 8);
c->hpel_avg[1][bxy](dst, ref[8] + (bx>>1) + (by>>1)*stride, stride, 8);
}
}
}else{
int fx = c->direct_basis_mv[0][0] + hx;
int fy = c->direct_basis_mv[0][1] + hy;
int bx = hx ? fx - c->co_located_mv[0][0] : (c->co_located_mv[0][0]*(time_pb - time_pp)/time_pp);
int by = hy ? fy - c->co_located_mv[0][1] : (c->co_located_mv[0][1]*(time_pb - time_pp)/time_pp);
int fxy= (fx&mask) + ((fy&mask)<<(qpel+1));
int bxy= (bx&mask) + ((by&mask)<<(qpel+1));
if(qpel){
c->qpel_put[1][fxy](c->temp , ref[0] + (fx>>2) + (fy>>2)*stride , stride);
c->qpel_put[1][fxy](c->temp + 8 , ref[0] + (fx>>2) + (fy>>2)*stride + 8 , stride);
c->qpel_put[1][fxy](c->temp + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8*stride, stride);
c->qpel_put[1][fxy](c->temp + 8 + 8*stride, ref[0] + (fx>>2) + (fy>>2)*stride + 8 + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp , ref[8] + (bx>>2) + (by>>2)*stride , stride);
c->qpel_avg[1][bxy](c->temp + 8 , ref[8] + (bx>>2) + (by>>2)*stride + 8 , stride);
c->qpel_avg[1][bxy](c->temp + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8*stride, stride);
c->qpel_avg[1][bxy](c->temp + 8 + 8*stride, ref[8] + (bx>>2) + (by>>2)*stride + 8 + 8*stride, stride);
}else{
assert((fx>>1) + 16*s->mb_x >= -16);
assert((fy>>1) + 16*s->mb_y >= -16);
assert((fx>>1) + 16*s->mb_x <= s->width);
assert((fy>>1) + 16*s->mb_y <= s->height);
assert((bx>>1) + 16*s->mb_x >= -16);
assert((by>>1) + 16*s->mb_y >= -16);
assert((bx>>1) + 16*s->mb_x <= s->width);
assert((by>>1) + 16*s->mb_y <= s->height);
c->hpel_put[0][fxy](c->temp, ref[0] + (fx>>1) + (fy>>1)*stride, stride, 16);
c->hpel_avg[0][bxy](c->temp, ref[8] + (bx>>1) + (by>>1)*stride, stride, 16);
}
}
d = cmp_func(s, c->temp, src[0], stride, 16);
}else
d= 256*256*256*32;
}else{
int uvdxy;
if(dxy){
if(qpel){
c->qpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride);
if(chroma){
int cx= hx/2;
int cy= hy/2;
cx= (cx>>1)|(cx&1);
cy= (cy>>1)|(cy&1);
uvdxy= (cx&1) + 2*(cy&1);
}
}else{
c->hpel_put[size][dxy](c->temp, ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= dxy | (x&1) | (2*(y&1));
}
d = cmp_func(s, c->temp, src[0], stride, h);
}else{
d = cmp_func(s, src[0], ref[0] + x + y*stride, stride, h);
if(chroma)
uvdxy= (x&1) + 2*(y&1);
}
if(chroma){
uint8_t * const uvtemp= c->temp + 16*stride;
c->hpel_put[size+1][uvdxy](uvtemp , ref[1] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
c->hpel_put[size+1][uvdxy](uvtemp+8, ref[2] + (x>>1) + (y>>1)*uvstride, uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp , src[1], uvstride, h>>1);
d += chroma_cmp_func(s, uvtemp+8, src[2], uvstride, h>>1);
}
}
#if 0
if(full_pel){
const int index= (((y)<<ME_MAP_SHIFT) + (x))&(ME_MAP_SIZE-1);
score_map[index]= d;
}
d += (c->mv_penalty[hx - c->pred_x] + c->mv_penalty[hy - c->pred_y])*c->penalty_factor;
#endif
return d;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est.c/#L176 |
d2a_code_data_45872 | static void put_audio_specific_config(AVCodecContext *avctx)
{
PutBitContext pb;
AACEncContext *s = avctx->priv_data;
init_put_bits(&pb, avctx->extradata, avctx->extradata_size*8);
put_bits(&pb, 5, 2);
put_bits(&pb, 4, s->samplerate_index);
put_bits(&pb, 4, s->channels);
put_bits(&pb, 1, 0);
put_bits(&pb, 1, 0);
put_bits(&pb, 1, 0);
put_bits(&pb, 11, 0x2b7);
put_bits(&pb, 5, AOT_SBR);
put_bits(&pb, 1, 0);
flush_put_bits(&pb);
} | https://github.com/libav/libav/blob/a839d6abf870af82bdde8afdef40377eb31c82f8/libavcodec/aacenc.c/#L180 |
d2a_code_data_45873 | static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt, int *al)
{
#ifndef OPENSSL_NO_RSA
unsigned char *encdata = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *pctx = NULL;
size_t enclen;
unsigned char *pms = NULL;
size_t pmslen = 0;
if (s->session->peer == NULL) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR);
return 0;
}
pkey = X509_get0_pubkey(s->session->peer);
if (EVP_PKEY_get0_RSA(pkey) == NULL) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR);
return 0;
}
pmslen = SSL_MAX_MASTER_KEY_LENGTH;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_MALLOC_FAILURE);
*al = SSL_AD_INTERNAL_ERROR;
return 0;
}
pms[0] = s->client_version >> 8;
pms[1] = s->client_version & 0xff;
if (RAND_bytes(pms + 2, (int)(pmslen - 2)) <= 0) {
goto err;
}
if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new(pkey, NULL);
if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0
|| EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_EVP_LIB);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)
|| EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, SSL_R_BAD_RSA_ENCRYPT);
goto err;
}
EVP_PKEY_CTX_free(pctx);
pctx = NULL;
# ifdef PKCS1_CHECK
if (s->options & SSL_OP_PKCS1_CHECK_1)
(*p)[1]++;
if (s->options & SSL_OP_PKCS1_CHECK_2)
tmp_buf[0] = 0x70;
# endif
if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR);
goto err;
}
s->s3->tmp.pms = pms;
s->s3->tmp.pmslen = pmslen;
return 1;
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return 0;
#else
SSLerr(SSL_F_TLS_CONSTRUCT_CKE_RSA, ERR_R_INTERNAL_ERROR);
*al = SSL_AD_INTERNAL_ERROR;
return 0;
#endif
} | https://github.com/openssl/openssl/blob/0d9824c1712b6cacd9b0ecfba26fb66ae4badfb4/ssl/statem/statem_clnt.c/#L2372 |
d2a_code_data_45874 | char *X509_NAME_oneline(const X509_NAME *a, char *buf, int len)
{
const X509_NAME_ENTRY *ne;
int i;
int n, lold, l, l1, l2, num, j, type;
const char *s;
char *p;
unsigned char *q;
BUF_MEM *b = NULL;
static const char hex[17] = "0123456789ABCDEF";
int gs_doit[4];
char tmp_buf[80];
#ifdef CHARSET_EBCDIC
unsigned char ebcdic_buf[1024];
#endif
if (buf == NULL) {
if ((b = BUF_MEM_new()) == NULL)
goto err;
if (!BUF_MEM_grow(b, 200))
goto err;
b->data[0] = '\0';
len = 200;
} else if (len == 0) {
return NULL;
}
if (a == NULL) {
if (b) {
buf = b->data;
OPENSSL_free(b);
}
strncpy(buf, "NO X509_NAME", len);
buf[len - 1] = '\0';
return buf;
}
len--;
l = 0;
for (i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
ne = sk_X509_NAME_ENTRY_value(a->entries, i);
n = OBJ_obj2nid(ne->object);
if ((n == NID_undef) || ((s = OBJ_nid2sn(n)) == NULL)) {
i2t_ASN1_OBJECT(tmp_buf, sizeof(tmp_buf), ne->object);
s = tmp_buf;
}
l1 = strlen(s);
type = ne->value->type;
num = ne->value->length;
if (num > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
q = ne->value->data;
#ifdef CHARSET_EBCDIC
if (type == V_ASN1_GENERALSTRING ||
type == V_ASN1_VISIBLESTRING ||
type == V_ASN1_PRINTABLESTRING ||
type == V_ASN1_TELETEXSTRING ||
type == V_ASN1_IA5STRING) {
if (num > (int)sizeof(ebcdic_buf))
num = sizeof(ebcdic_buf);
ascii2ebcdic(ebcdic_buf, q, num);
q = ebcdic_buf;
}
#endif
if ((type == V_ASN1_GENERALSTRING) && ((num % 4) == 0)) {
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 0;
for (j = 0; j < num; j++)
if (q[j] != 0)
gs_doit[j & 3] = 1;
if (gs_doit[0] | gs_doit[1] | gs_doit[2])
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
else {
gs_doit[0] = gs_doit[1] = gs_doit[2] = 0;
gs_doit[3] = 1;
}
} else
gs_doit[0] = gs_doit[1] = gs_doit[2] = gs_doit[3] = 1;
for (l2 = j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
l2++;
#ifndef CHARSET_EBCDIC
if ((q[j] < ' ') || (q[j] > '~'))
l2 += 3;
#else
if ((os_toascii[q[j]] < os_toascii[' ']) ||
(os_toascii[q[j]] > os_toascii['~']))
l2 += 3;
#endif
}
lold = l;
l += 1 + l1 + 1 + l2;
if (l > NAME_ONELINE_MAX) {
X509err(X509_F_X509_NAME_ONELINE, X509_R_NAME_TOO_LONG);
goto end;
}
if (b != NULL) {
if (!BUF_MEM_grow(b, l + 1))
goto err;
p = &(b->data[lold]);
} else if (l > len) {
break;
} else
p = &(buf[lold]);
*(p++) = '/';
memcpy(p, s, (unsigned int)l1);
p += l1;
*(p++) = '=';
#ifndef CHARSET_EBCDIC
q = ne->value->data;
#endif
for (j = 0; j < num; j++) {
if (!gs_doit[j & 3])
continue;
#ifndef CHARSET_EBCDIC
n = q[j];
if ((n < ' ') || (n > '~')) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = n;
#else
n = os_toascii[q[j]];
if ((n < os_toascii[' ']) || (n > os_toascii['~'])) {
*(p++) = '\\';
*(p++) = 'x';
*(p++) = hex[(n >> 4) & 0x0f];
*(p++) = hex[n & 0x0f];
} else
*(p++) = q[j];
#endif
}
*p = '\0';
}
if (b != NULL) {
p = b->data;
OPENSSL_free(b);
} else
p = buf;
if (i == 0)
*p = '\0';
return (p);
err:
X509err(X509_F_X509_NAME_ONELINE, ERR_R_MALLOC_FAILURE);
end:
BUF_MEM_free(b);
return (NULL);
} | https://github.com/openssl/openssl/blob/cdb2a60347f988037d29adc7e4415e9c66c8a5a5/crypto/x509/x509_obj.c/#L57 |
d2a_code_data_45875 | static inline void idct4row(int16_t *row)
{
int c0, c1, c2, c3, a0, a1, a2, a3;
a0 = row[0];
a1 = row[1];
a2 = row[2];
a3 = row[3];
c0 = (a0 + a2)*R3 + (1 << (R_SHIFT - 1));
c2 = (a0 - a2)*R3 + (1 << (R_SHIFT - 1));
c1 = a1 * R1 + a3 * R2;
c3 = a1 * R2 - a3 * R1;
row[0]= (c0 + c1) >> R_SHIFT;
row[1]= (c2 + c3) >> R_SHIFT;
row[2]= (c2 - c3) >> R_SHIFT;
row[3]= (c0 - c1) >> R_SHIFT;
} | https://github.com/libav/libav/blob/2ec9fa5ec60dcd10e1cb10d8b4e4437e634ea428/libavcodec/simple_idct.c/#L165 |
d2a_code_data_45876 | static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
int nza, nzb;
int ctx = 0;
if( cat == 0 ) {
nza = h->left_cbp&0x100;
nzb = h-> top_cbp&0x100;
} else if( cat == 1 || cat == 2 ) {
nza = h->non_zero_count_cache[scan8[idx] - 1];
nzb = h->non_zero_count_cache[scan8[idx] - 8];
} else if( cat == 3 ) {
nza = (h->left_cbp>>(6+idx))&0x01;
nzb = (h-> top_cbp>>(6+idx))&0x01;
} else {
assert(cat == 4);
nza = h->non_zero_count_cache[scan8[16+idx] - 1];
nzb = h->non_zero_count_cache[scan8[16+idx] - 8];
}
if( nza > 0 )
ctx++;
if( nzb > 0 )
ctx += 2;
return ctx + 4 * cat;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L5351 |
d2a_code_data_45877 | int RAND_poll(void)
{
int ret = 0;
RAND_POOL *pool = NULL;
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth == RAND_OpenSSL()) {
RAND_DRBG *drbg = RAND_DRBG_get0_master();
if (drbg == NULL)
return 0;
rand_drbg_lock(drbg);
ret = rand_drbg_restart(drbg, NULL, 0, 0);
rand_drbg_unlock(drbg);
return ret;
} else {
pool = rand_pool_new(RAND_DRBG_STRENGTH,
(RAND_DRBG_STRENGTH + 7) / 8,
RAND_POOL_MAX_LENGTH);
if (pool == NULL)
return 0;
if (rand_pool_acquire_entropy(pool) == 0)
goto err;
if (meth->add == NULL
|| meth->add(rand_pool_buffer(pool),
rand_pool_length(pool),
(rand_pool_entropy(pool) / 8.0)) == 0)
goto err;
ret = 1;
}
err:
rand_pool_free(pool);
return ret;
} | https://github.com/openssl/openssl/blob/9bba2c4c97a5fc5aea9e24223eebb85a15817e74/crypto/rand/rand_lib.c/#L402 |
d2a_code_data_45878 | char *make_revocation_str(int rev_type, char *rev_arg)
{
char *reason = NULL, *other = NULL, *str;
ASN1_OBJECT *otmp;
ASN1_UTCTIME *revtm = NULL;
int i;
switch (rev_type)
{
case REV_NONE:
break;
case REV_CRL_REASON:
for (i = 0; i < 8; i++)
{
if (!strcasecmp(rev_arg, crl_reasons[i]))
{
reason = crl_reasons[i];
break;
}
}
if (reason == NULL)
{
BIO_printf(bio_err, "Unknown CRL reason %s\n", rev_arg);
return NULL;
}
break;
case REV_HOLD:
otmp = OBJ_txt2obj(rev_arg, 0);
ASN1_OBJECT_free(otmp);
if (otmp == NULL)
{
BIO_printf(bio_err, "Invalid object identifier %s\n", rev_arg);
return NULL;
}
reason = "holdInstruction";
other = rev_arg;
break;
case REV_KEY_COMPROMISE:
case REV_CA_COMPROMISE:
if (!ASN1_GENERALIZEDTIME_set_string(NULL, rev_arg))
{
BIO_printf(bio_err, "Invalid time format %s. Need YYYYMMDDHHMMSSZ\n", rev_arg);
return NULL;
}
other = rev_arg;
if (rev_type == REV_KEY_COMPROMISE)
reason = "keyTime";
else
reason = "CAkeyTime";
break;
}
revtm = X509_gmtime_adj(NULL, 0);
i = revtm->length + 1;
if (reason) i += strlen(reason) + 1;
if (other) i += strlen(other) + 1;
str = OPENSSL_malloc(i);
if (!str) return NULL;
strcpy(str, (char *)revtm->data);
if (reason)
{
strcat(str, ",");
strcat(str, reason);
}
if (other)
{
strcat(str, ",");
strcat(str, other);
}
ASN1_UTCTIME_free(revtm);
return str;
} | https://github.com/openssl/openssl/blob/64ad04eb2d464069dc6e3684b928d64b3560db8a/apps/ca.c/#L2939 |
d2a_code_data_45879 | static int add_session(SSL *ssl, SSL_SESSION *session)
{
simple_ssl_session *sess;
unsigned char *p;
sess = OPENSSL_malloc(sizeof(simple_ssl_session));
sess->idlen = session->session_id_length;
sess->derlen = i2d_SSL_SESSION(session, NULL);
sess->id = BUF_memdup(session->session_id, sess->idlen);
sess->der = OPENSSL_malloc(sess->derlen);
p = sess->der;
i2d_SSL_SESSION(session, &p);
sess->next = first;
first = sess;
BIO_printf(bio_err, "New session added to external cache\n");
return 0;
} | https://github.com/openssl/openssl/blob/dd4a0af3701b1669661d62420253ec1e40076e61/apps/s_server.c/#L2843 |
d2a_code_data_45880 | static int decrypt_init(AVFormatContext *s, ID3v2ExtraMeta *em, uint8_t *header)
{
OMAContext *oc = s->priv_data;
ID3v2ExtraMetaGEOB *geob = NULL;
uint8_t *gdata;
oc->encrypted = 1;
av_log(s, AV_LOG_INFO, "File is encrypted\n");
while (em) {
if (!strcmp(em->tag, "GEOB") &&
(geob = em->data) &&
(!strcmp(geob->description, "OMG_LSI") ||
!strcmp(geob->description, "OMG_BKLSI"))) {
break;
}
em = em->next;
}
if (!em) {
av_log(s, AV_LOG_ERROR, "No encryption header found\n");
return -1;
}
if (geob->datasize < 64) {
av_log(s, AV_LOG_ERROR,
"Invalid GEOB data size: %u\n", geob->datasize);
return -1;
}
gdata = geob->data;
if (AV_RB16(gdata) != 1)
av_log(s, AV_LOG_WARNING, "Unknown version in encryption header\n");
oc->k_size = AV_RB16(&gdata[2]);
oc->e_size = AV_RB16(&gdata[4]);
oc->i_size = AV_RB16(&gdata[6]);
oc->s_size = AV_RB16(&gdata[8]);
if (memcmp(&gdata[OMA_ENC_HEADER_SIZE], "KEYRING ", 12)) {
av_log(s, AV_LOG_ERROR, "Invalid encryption header\n");
return -1;
}
oc->rid = AV_RB32(&gdata[OMA_ENC_HEADER_SIZE + 28]);
av_log(s, AV_LOG_DEBUG, "RID: %.8x\n", oc->rid);
memcpy(oc->iv, &header[0x58], 8);
hex_log(s, AV_LOG_DEBUG, "IV", oc->iv, 8);
hex_log(s, AV_LOG_DEBUG, "CBC-MAC",
&gdata[OMA_ENC_HEADER_SIZE + oc->k_size + oc->e_size + oc->i_size],
8);
if (s->keylen > 0) {
kset(s, s->key, s->key, s->keylen);
}
if (!memcmp(oc->r_val, (const uint8_t[8]){0}, 8) ||
rprobe(s, gdata, oc->r_val) < 0 &&
nprobe(s, gdata, geob->datasize, oc->n_val) < 0) {
int i;
for (i = 0; i < FF_ARRAY_ELEMS(leaf_table); i += 2) {
uint8_t buf[16];
AV_WL64(buf, leaf_table[i]);
AV_WL64(&buf[8], leaf_table[i + 1]);
kset(s, buf, buf, 16);
if (!rprobe(s, gdata, oc->r_val) ||
!nprobe(s, gdata, geob->datasize, oc->n_val))
break;
}
if (i >= sizeof(leaf_table)) {
av_log(s, AV_LOG_ERROR, "Invalid key\n");
return -1;
}
}
av_des_init(&oc->av_des, oc->m_val, 64, 0);
av_des_crypt(&oc->av_des, oc->e_val,
&gdata[OMA_ENC_HEADER_SIZE + 40], 1, NULL, 0);
hex_log(s, AV_LOG_DEBUG, "EK", oc->e_val, 8);
av_des_init(&oc->av_des, oc->e_val, 64, 1);
return 0;
} | https://github.com/libav/libav/blob/b963f021b603509b5159873de4919dec441d0782/libavformat/omadec.c/#L246 |
d2a_code_data_45881 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_45882 | static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int ret = 0, bit, bytes, mask;
time_t tim;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
time(&tim);
RAND_add(&tim, sizeof(tim), 0.0);
if (RAND_bytes(buf, bytes) <= 0)
goto err;
if (pseudorand == 2) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | https://github.com/openssl/openssl/blob/7671342e550ed2de676b23c79d0e7f45a381c76e/crypto/bn/bn_rand.c/#L82 |
d2a_code_data_45883 | static inline void dv_encode_video_segment(DVVideoContext *s,
uint8_t *dif,
const uint16_t *mb_pos_ptr)
{
int mb_index, i, j, v;
int mb_x, mb_y, c_offset, linesize;
uint8_t* y_ptr;
uint8_t* data;
uint8_t* ptr;
int do_edge_wrap;
DECLARE_ALIGNED_16(DCTELEM, block[64]);
EncBlockInfo enc_blks[5*6];
PutBitContext pbs[5*6];
PutBitContext* pb;
EncBlockInfo* enc_blk;
int vs_bit_size = 0;
int qnos[5];
assert((((int)block) & 15) == 0);
enc_blk = &enc_blks[0];
pb = &pbs[0];
for(mb_index = 0; mb_index < 5; mb_index++) {
v = *mb_pos_ptr++;
mb_x = v & 0xff;
mb_y = v >> 8;
if (s->sys->pix_fmt == PIX_FMT_YUV422P) {
y_ptr = s->picture.data[0] + (mb_y * s->picture.linesize[0] * 8) + (mb_x * 4);
} else {
y_ptr = s->picture.data[0] + (mb_y * s->picture.linesize[0] * 8) + (mb_x * 8);
}
if (s->sys->pix_fmt == PIX_FMT_YUV420P) {
c_offset = (((mb_y >> 1) * s->picture.linesize[1] * 8) + ((mb_x >> 1) * 8));
} else {
c_offset = ((mb_y * s->picture.linesize[1] * 8) + ((mb_x >> 2) * 8));
}
do_edge_wrap = 0;
qnos[mb_index] = 15;
ptr = dif + mb_index*80 + 4;
for(j = 0;j < 6; j++) {
int dummy = 0;
if (s->sys->pix_fmt == PIX_FMT_YUV422P) {
if (j == 0 || j == 2) {
data = y_ptr + ((j>>1) * 8);
linesize = s->picture.linesize[0];
} else if (j > 3) {
data = s->picture.data[6 - j] + c_offset;
linesize = s->picture.linesize[6 - j];
} else {
data = 0;
linesize = 0;
dummy = 1;
}
} else {
if (j < 4) {
if (s->sys->pix_fmt == PIX_FMT_YUV411P && mb_x < (704 / 8)) {
data = y_ptr + (j * 8);
} else {
data = y_ptr + ((j & 1) * 8) + ((j >> 1) * 8 * s->picture.linesize[0]);
}
linesize = s->picture.linesize[0];
} else {
data = s->picture.data[6 - j] + c_offset;
linesize = s->picture.linesize[6 - j];
if (s->sys->pix_fmt == PIX_FMT_YUV411P && mb_x >= (704 / 8))
do_edge_wrap = 1;
}
}
if (do_edge_wrap) {
uint8_t* d;
DCTELEM *b = block;
for (i=0;i<8;i++) {
d = data + 8 * linesize;
b[0] = data[0]; b[1] = data[1]; b[2] = data[2]; b[3] = data[3];
b[4] = d[0]; b[5] = d[1]; b[6] = d[2]; b[7] = d[3];
data += linesize;
b += 8;
}
} else {
if (!dummy)
s->get_pixels(block, data, linesize);
}
if(s->avctx->flags & CODEC_FLAG_INTERLACED_DCT)
enc_blk->dct_mode = dv_guess_dct_mode(block);
else
enc_blk->dct_mode = 0;
enc_blk->area_q[0] = enc_blk->area_q[1] = enc_blk->area_q[2] = enc_blk->area_q[3] = 0;
enc_blk->partial_bit_count = 0;
enc_blk->partial_bit_buffer = 0;
enc_blk->cur_ac = 0;
if (dummy) {
memset(block, 0, sizeof(block));
} else {
s->fdct[enc_blk->dct_mode](block);
}
dv_set_class_number(block, enc_blk,
enc_blk->dct_mode ? ff_zigzag248_direct : ff_zigzag_direct,
enc_blk->dct_mode ? dv_weight_248 : dv_weight_88,
j/4);
init_put_bits(pb, ptr, block_sizes[j]/8);
put_bits(pb, 9, (uint16_t)(((enc_blk->mb[0] >> 3) - 1024 + 2) >> 2));
put_bits(pb, 1, enc_blk->dct_mode);
put_bits(pb, 2, enc_blk->cno);
vs_bit_size += enc_blk->bit_size[0] + enc_blk->bit_size[1] +
enc_blk->bit_size[2] + enc_blk->bit_size[3];
++enc_blk;
++pb;
ptr += block_sizes[j]/8;
}
}
if (vs_total_ac_bits < vs_bit_size)
dv_guess_qnos(&enc_blks[0], &qnos[0]);
for (i=0; i<5; i++) {
dif[i*80 + 3] = qnos[i];
}
for (j=0; j<5*6; j++)
dv_encode_ac(&enc_blks[j], &pbs[j], &pbs[j+1]);
for (j=0; j<5*6; j+=6) {
pb= &pbs[j];
for (i=0; i<6; i++) {
if (enc_blks[i+j].partial_bit_count)
pb=dv_encode_ac(&enc_blks[i+j], pb, &pbs[j+6]);
}
}
pb= &pbs[0];
for (j=0; j<5*6; j++) {
if (enc_blks[j].partial_bit_count)
pb=dv_encode_ac(&enc_blks[j], pb, &pbs[6*5]);
if (enc_blks[j].partial_bit_count)
av_log(NULL, AV_LOG_ERROR, "ac bitstream overflow\n");
}
for (j=0; j<5*6; j++)
flush_put_bits(&pbs[j]);
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dv.c/#L960 |
d2a_code_data_45884 | static void opt_vstats (void)
{
char filename[40];
time_t today2 = time(NULL);
struct tm *today = localtime(&today2);
snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
today->tm_sec);
opt_vstats_file(filename);
} | https://github.com/libav/libav/blob/9aaa2077e5879b153d2ce6bea2e42f0c349a083f/ffmpeg.c/#L3652 |
d2a_code_data_45885 | void av_close_input_stream(AVFormatContext *s)
{
int i;
AVStream *st;
if (s->cur_st && s->cur_st->parser)
av_free_packet(&s->cur_pkt);
if (s->iformat->read_close)
s->iformat->read_close(s);
for(i=0;i<s->nb_streams;i++) {
st = s->streams[i];
if (st->parser) {
av_parser_close(st->parser);
}
av_free(st->index_entries);
av_free(st->codec->extradata);
av_free(st->codec);
av_free(st->filename);
av_free(st);
}
for(i=s->nb_programs-1; i>=0; i--) {
av_freep(&s->programs[i]->provider_name);
av_freep(&s->programs[i]->name);
av_freep(&s->programs[i]->stream_index);
av_freep(&s->programs[i]);
}
flush_packet_queue(s);
av_freep(&s->priv_data);
av_free(s);
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/utils.c/#L2141 |
d2a_code_data_45886 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/ec772a817afc0f788c38006f623204a7d76221ec/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_45887 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/ddb634fe6f9aeea34fe036cf804903b4240d38ac/crypto/bn/bn_ctx.c/#L276 |
d2a_code_data_45888 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/ea09abc80892920ee5db4de82bed7a193b5896f0/crypto/bn/bn_lib.c/#L291 |
d2a_code_data_45889 | static int init_output_stream_streamcopy(OutputStream *ost)
{
OutputFile *of = output_files[ost->file_index];
InputStream *ist = get_input_stream(ost);
AVCodecParameters *par_dst = ost->st->codecpar;
AVCodecParameters *par_src = ist->st->codecpar;
AVRational sar;
uint32_t codec_tag = par_dst->codec_tag;
int i, ret;
if (!codec_tag) {
if (!of->ctx->oformat->codec_tag ||
av_codec_get_id (of->ctx->oformat->codec_tag, par_src->codec_tag) == par_src->codec_id ||
av_codec_get_tag(of->ctx->oformat->codec_tag, par_src->codec_id) <= 0)
codec_tag = par_src->codec_tag;
}
ret = avcodec_parameters_copy(par_dst, par_src);
if (ret < 0)
return ret;
par_dst->codec_tag = codec_tag;
ost->st->disposition = ist->st->disposition;
ost->st->time_base = ist->st->time_base;
if (ist->st->nb_side_data) {
ost->st->side_data = av_realloc_array(NULL, ist->st->nb_side_data,
sizeof(*ist->st->side_data));
if (!ost->st->side_data)
return AVERROR(ENOMEM);
for (i = 0; i < ist->st->nb_side_data; i++) {
const AVPacketSideData *sd_src = &ist->st->side_data[i];
AVPacketSideData *sd_dst = &ost->st->side_data[i];
sd_dst->data = av_malloc(sd_src->size);
if (!sd_dst->data)
return AVERROR(ENOMEM);
memcpy(sd_dst->data, sd_src->data, sd_src->size);
sd_dst->size = sd_src->size;
sd_dst->type = sd_src->type;
ost->st->nb_side_data++;
}
}
ost->parser = av_parser_init(par_dst->codec_id);
ost->parser_avctx = avcodec_alloc_context3(NULL);
if (!ost->parser_avctx)
return AVERROR(ENOMEM);
if (par_dst->codec_type == AVMEDIA_TYPE_VIDEO) {
if (ost->frame_aspect_ratio)
sar = av_d2q(ost->frame_aspect_ratio * par_dst->height / par_dst->width, 255);
else if (ist->st->sample_aspect_ratio.num)
sar = ist->st->sample_aspect_ratio;
else
sar = par_src->sample_aspect_ratio;
ost->st->sample_aspect_ratio = par_dst->sample_aspect_ratio = sar;
}
return 0;
} | https://github.com/libav/libav/blob/d0a603a534a0ee4b255e5e72742428a7f7f42b83/avconv.c/#L1832 |
d2a_code_data_45890 | static void opt_input_ts_scale(const char *arg)
{
unsigned int stream;
double scale;
char *p;
stream = strtol(arg, &p, 0);
if (*p)
p++;
scale= strtod(p, &p);
if(stream >= MAX_STREAMS)
ffmpeg_exit(1);
input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
input_files_ts_scale[nb_input_files][stream]= scale;
} | https://github.com/libav/libav/blob/2d777bb7a20041ac0564ffef85bf40619af8ccd1/ffmpeg.c/#L3064 |
d2a_code_data_45891 | static void dct32(INTFLOAT *out, const INTFLOAT *tab)
{
INTFLOAT tmp0, tmp1;
INTFLOAT val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7 ,
val8 , val9 , val10, val11, val12, val13, val14, val15,
val16, val17, val18, val19, val20, val21, val22, val23,
val24, val25, val26, val27, val28, val29, val30, val31;
BF0( 0, 31, COS0_0 , 1);
BF0(15, 16, COS0_15, 5);
BF( 0, 15, COS1_0 , 1);
BF(16, 31,-COS1_0 , 1);
BF0( 7, 24, COS0_7 , 1);
BF0( 8, 23, COS0_8 , 1);
BF( 7, 8, COS1_7 , 4);
BF(23, 24,-COS1_7 , 4);
BF( 0, 7, COS2_0 , 1);
BF( 8, 15,-COS2_0 , 1);
BF(16, 23, COS2_0 , 1);
BF(24, 31,-COS2_0 , 1);
BF0( 3, 28, COS0_3 , 1);
BF0(12, 19, COS0_12, 2);
BF( 3, 12, COS1_3 , 1);
BF(19, 28,-COS1_3 , 1);
BF0( 4, 27, COS0_4 , 1);
BF0(11, 20, COS0_11, 2);
BF( 4, 11, COS1_4 , 1);
BF(20, 27,-COS1_4 , 1);
BF( 3, 4, COS2_3 , 3);
BF(11, 12,-COS2_3 , 3);
BF(19, 20, COS2_3 , 3);
BF(27, 28,-COS2_3 , 3);
BF( 0, 3, COS3_0 , 1);
BF( 4, 7,-COS3_0 , 1);
BF( 8, 11, COS3_0 , 1);
BF(12, 15,-COS3_0 , 1);
BF(16, 19, COS3_0 , 1);
BF(20, 23,-COS3_0 , 1);
BF(24, 27, COS3_0 , 1);
BF(28, 31,-COS3_0 , 1);
BF0( 1, 30, COS0_1 , 1);
BF0(14, 17, COS0_14, 3);
BF( 1, 14, COS1_1 , 1);
BF(17, 30,-COS1_1 , 1);
BF0( 6, 25, COS0_6 , 1);
BF0( 9, 22, COS0_9 , 1);
BF( 6, 9, COS1_6 , 2);
BF(22, 25,-COS1_6 , 2);
BF( 1, 6, COS2_1 , 1);
BF( 9, 14,-COS2_1 , 1);
BF(17, 22, COS2_1 , 1);
BF(25, 30,-COS2_1 , 1);
BF0( 2, 29, COS0_2 , 1);
BF0(13, 18, COS0_13, 3);
BF( 2, 13, COS1_2 , 1);
BF(18, 29,-COS1_2 , 1);
BF0( 5, 26, COS0_5 , 1);
BF0(10, 21, COS0_10, 1);
BF( 5, 10, COS1_5 , 2);
BF(21, 26,-COS1_5 , 2);
BF( 2, 5, COS2_2 , 1);
BF(10, 13,-COS2_2 , 1);
BF(18, 21, COS2_2 , 1);
BF(26, 29,-COS2_2 , 1);
BF( 1, 2, COS3_1 , 2);
BF( 5, 6,-COS3_1 , 2);
BF( 9, 10, COS3_1 , 2);
BF(13, 14,-COS3_1 , 2);
BF(17, 18, COS3_1 , 2);
BF(21, 22,-COS3_1 , 2);
BF(25, 26, COS3_1 , 2);
BF(29, 30,-COS3_1 , 2);
BF1( 0, 1, 2, 3);
BF2( 4, 5, 6, 7);
BF1( 8, 9, 10, 11);
BF2(12, 13, 14, 15);
BF1(16, 17, 18, 19);
BF2(20, 21, 22, 23);
BF1(24, 25, 26, 27);
BF2(28, 29, 30, 31);
ADD( 8, 12);
ADD(12, 10);
ADD(10, 14);
ADD(14, 9);
ADD( 9, 13);
ADD(13, 11);
ADD(11, 15);
out[ 0] = val0;
out[16] = val1;
out[ 8] = val2;
out[24] = val3;
out[ 4] = val4;
out[20] = val5;
out[12] = val6;
out[28] = val7;
out[ 2] = val8;
out[18] = val9;
out[10] = val10;
out[26] = val11;
out[ 6] = val12;
out[22] = val13;
out[14] = val14;
out[30] = val15;
ADD(24, 28);
ADD(28, 26);
ADD(26, 30);
ADD(30, 25);
ADD(25, 29);
ADD(29, 27);
ADD(27, 31);
out[ 1] = val16 + val24;
out[17] = val17 + val25;
out[ 9] = val18 + val26;
out[25] = val19 + val27;
out[ 5] = val20 + val28;
out[21] = val21 + val29;
out[13] = val22 + val30;
out[29] = val23 + val31;
out[ 3] = val24 + val20;
out[19] = val25 + val21;
out[11] = val26 + val22;
out[27] = val27 + val23;
out[ 7] = val28 + val18;
out[23] = val29 + val19;
out[15] = val30 + val17;
out[31] = val31;
} | https://github.com/libav/libav/blob/63e8d9760f23a4edf81e9ae58c4f6d3baa6ff4dd/libavcodec/dct32.c/#L228 |
d2a_code_data_45892 | void *CRYPTO_clear_realloc(void *str, size_t old_len, size_t num,
const char *file, int line)
{
void *ret = NULL;
if (str == NULL)
return CRYPTO_malloc(num, file, line);
if (num == 0) {
CRYPTO_clear_free(str, old_len);
return NULL;
}
if (num < old_len) {
memset((char*)str + num, 0, old_len - num);
return str;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (call_malloc_debug) {
CRYPTO_mem_debug_realloc(str, NULL, num, 0, file, line);
ret = malloc(num);
CRYPTO_mem_debug_realloc(str, ret, num, 1, file, line);
} else {
ret = malloc(num);
}
#else
(void)file;
(void)line;
ret = malloc(num);
#endif
if (ret)
memcpy(ret, str, old_len);
CRYPTO_clear_free(str, old_len);
return ret;
} | https://github.com/openssl/openssl/blob/68ed0b2480023424f280e98cda7199d913f3d7cc/crypto/mem.c/#L208 |
d2a_code_data_45893 | int is_partially_overlapping(const void *ptr1, const void *ptr2, int len)
{
PTRDIFF_T diff = (PTRDIFF_T)ptr1-(PTRDIFF_T)ptr2;
int overlapped = (len > 0) & (diff != 0) & ((diff < (PTRDIFF_T)len) |
(diff > (0 - (PTRDIFF_T)len)));
assert(!overlapped);
return overlapped;
} | https://github.com/openssl/openssl/blob/7141ba31969d0b378d08104a51f8f99b9187b9d5/crypto/evp/evp_enc.c/#L288 |
d2a_code_data_45894 | void ERR_set_error_data(char *data, int flags)
{
ERR_STATE *es;
int i;
es = ERR_get_state();
if (es == NULL)
return;
i = es->top;
err_clear_data(es, i);
es->err_data[i] = data;
es->err_data_flags[i] = flags;
} | https://github.com/openssl/openssl/blob/f770d75b1cac264d6280ec7326277daff6965cbb/crypto/err/err.c/#L724 |
d2a_code_data_45895 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_45896 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
bn_check_top(b);
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return (NULL);
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return (NULL);
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/c784a838e0947fcca761ee62def7d077dc06d37f/crypto/bn/bn_lib.c/#L271 |
d2a_code_data_45897 | void *lh_delete(LHASH *lh, void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
void *ret;
lh->error=0;
rn=getrn(lh,data,&hash);
if (*rn == NULL)
{
lh->num_no_delete++;
return(NULL);
}
else
{
nn= *rn;
*rn=nn->next;
ret=nn->data;
Free(nn);
lh->num_delete++;
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items*LH_LOAD_MULT/lh->num_nodes)))
contract(lh);
return(ret);
} | https://github.com/openssl/openssl/blob/dab6f09573742df94c4767663565aca3863f8173/crypto/lhash/lhash.c/#L240 |
d2a_code_data_45898 | int ossl_prop_defn_set(OPENSSL_CTX *ctx, const char *prop,
OSSL_PROPERTY_LIST *pl)
{
PROPERTY_DEFN_ELEM elem, *old, *p = NULL;
size_t len;
LHASH_OF(PROPERTY_DEFN_ELEM) *property_defns;
property_defns = openssl_ctx_get_data(ctx, OPENSSL_CTX_PROPERTY_DEFN_INDEX,
&property_defns_method);
if (property_defns == NULL)
return 0;
if (prop == NULL)
return 1;
if (pl == NULL) {
elem.prop = prop;
lh_PROPERTY_DEFN_ELEM_delete(property_defns, &elem);
return 1;
}
len = strlen(prop);
p = OPENSSL_malloc(sizeof(*p) + len);
if (p != NULL) {
p->prop = p->body;
p->defn = pl;
memcpy(p->body, prop, len + 1);
old = lh_PROPERTY_DEFN_ELEM_insert(property_defns, p);
if (old != NULL) {
property_defn_free(old);
return 1;
}
if (!lh_PROPERTY_DEFN_ELEM_error(property_defns))
return 1;
}
OPENSSL_free(p);
return 0;
} | https://github.com/openssl/openssl/blob/c1d56231ef6385b557ec72eec508e55ea26ca8b0/crypto/property/defn_cache.c/#L109 |
d2a_code_data_45899 | int dct_quantize_trellis_c(MpegEncContext *s,
DCTELEM *block, int n,
int qscale, int *overflow){
const int *qmat;
const uint8_t *scantable= s->intra_scantable.scantable;
const uint8_t *perm_scantable= s->intra_scantable.permutated;
int max=0;
unsigned int threshold1, threshold2;
int bias=0;
int run_tab[65];
int level_tab[65];
int score_tab[65];
int survivor[65];
int survivor_count;
int last_run=0;
int last_level=0;
int last_score= 0;
int last_i;
int coeff[2][64];
int coeff_count[64];
int qmul, qadd, start_i, last_non_zero, i, dc;
const int esc_length= s->ac_esc_length;
uint8_t * length;
uint8_t * last_length;
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
s->dsp.fdct (block);
if(s->dct_error_sum)
s->denoise_dct(s, block);
qmul= qscale*16;
qadd= ((qscale-1)|1)*8;
if (s->mb_intra) {
int q;
if (!s->h263_aic) {
if (n < 4)
q = s->y_dc_scale;
else
q = s->c_dc_scale;
q = q << 3;
} else{
q = 1 << 3;
qadd=0;
}
block[0] = (block[0] + (q >> 1)) / q;
start_i = 1;
last_non_zero = 0;
qmat = s->q_intra_matrix[qscale];
if(s->mpeg_quant || s->out_format == FMT_MPEG1)
bias= 1<<(QMAT_SHIFT-1);
length = s->intra_ac_vlc_length;
last_length= s->intra_ac_vlc_last_length;
} else {
start_i = 0;
last_non_zero = -1;
qmat = s->q_inter_matrix[qscale];
length = s->inter_ac_vlc_length;
last_length= s->inter_ac_vlc_last_length;
}
last_i= start_i;
threshold1= (1<<QMAT_SHIFT) - bias - 1;
threshold2= (threshold1<<1);
for(i=63; i>=start_i; i--) {
const int j = scantable[i];
int level = block[j] * qmat[j];
if(((unsigned)(level+threshold1))>threshold2){
last_non_zero = i;
break;
}
}
for(i=start_i; i<=last_non_zero; i++) {
const int j = scantable[i];
int level = block[j] * qmat[j];
if(((unsigned)(level+threshold1))>threshold2){
if(level>0){
level= (bias + level)>>QMAT_SHIFT;
coeff[0][i]= level;
coeff[1][i]= level-1;
}else{
level= (bias - level)>>QMAT_SHIFT;
coeff[0][i]= -level;
coeff[1][i]= -level+1;
}
coeff_count[i]= FFMIN(level, 2);
assert(coeff_count[i]);
max |=level;
}else{
coeff[0][i]= (level>>31)|1;
coeff_count[i]= 1;
}
}
*overflow= s->max_qcoeff < max;
if(last_non_zero < start_i){
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
return last_non_zero;
}
score_tab[start_i]= 0;
survivor[0]= start_i;
survivor_count= 1;
for(i=start_i; i<=last_non_zero; i++){
int level_index, j, zero_distoration;
int dct_coeff= FFABS(block[ scantable[i] ]);
int best_score=256*256*256*120;
if ( s->dsp.fdct == fdct_ifast
#ifndef FAAN_POSTSCALE
|| s->dsp.fdct == ff_faandct
#endif
)
dct_coeff= (dct_coeff*inv_aanscales[ scantable[i] ]) >> 12;
zero_distoration= dct_coeff*dct_coeff;
for(level_index=0; level_index < coeff_count[i]; level_index++){
int distoration;
int level= coeff[level_index][i];
const int alevel= FFABS(level);
int unquant_coeff;
assert(level);
if(s->out_format == FMT_H263){
unquant_coeff= alevel*qmul + qadd;
}else{
j= s->dsp.idct_permutation[ scantable[i] ];
if(s->mb_intra){
unquant_coeff = (int)( alevel * qscale * s->intra_matrix[j]) >> 3;
unquant_coeff = (unquant_coeff - 1) | 1;
}else{
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
unquant_coeff = (unquant_coeff - 1) | 1;
}
unquant_coeff<<= 3;
}
distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff) - zero_distoration;
level+=64;
if((level&(~127)) == 0){
for(j=survivor_count-1; j>=0; j--){
int run= i - survivor[j];
int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
score += score_tab[i-run];
if(score < best_score){
best_score= score;
run_tab[i+1]= run;
level_tab[i+1]= level-64;
}
}
if(s->out_format == FMT_H263){
for(j=survivor_count-1; j>=0; j--){
int run= i - survivor[j];
int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
score += score_tab[i-run];
if(score < last_score){
last_score= score;
last_run= run;
last_level= level-64;
last_i= i+1;
}
}
}
}else{
distoration += esc_length*lambda;
for(j=survivor_count-1; j>=0; j--){
int run= i - survivor[j];
int score= distoration + score_tab[i-run];
if(score < best_score){
best_score= score;
run_tab[i+1]= run;
level_tab[i+1]= level-64;
}
}
if(s->out_format == FMT_H263){
for(j=survivor_count-1; j>=0; j--){
int run= i - survivor[j];
int score= distoration + score_tab[i-run];
if(score < last_score){
last_score= score;
last_run= run;
last_level= level-64;
last_i= i+1;
}
}
}
}
}
score_tab[i+1]= best_score;
if(last_non_zero <= 27){
for(; survivor_count; survivor_count--){
if(score_tab[ survivor[survivor_count-1] ] <= best_score)
break;
}
}else{
for(; survivor_count; survivor_count--){
if(score_tab[ survivor[survivor_count-1] ] <= best_score + lambda)
break;
}
}
survivor[ survivor_count++ ]= i+1;
}
if(s->out_format != FMT_H263){
last_score= 256*256*256*120;
for(i= survivor[0]; i<=last_non_zero + 1; i++){
int score= score_tab[i];
if(i) score += lambda*2;
if(score < last_score){
last_score= score;
last_i= i;
last_level= level_tab[i];
last_run= run_tab[i];
}
}
}
s->coded_score[n] = last_score;
dc= FFABS(block[0]);
last_non_zero= last_i - 1;
memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
if(last_non_zero < start_i)
return last_non_zero;
if(last_non_zero == 0 && start_i == 0){
int best_level= 0;
int best_score= dc * dc;
for(i=0; i<coeff_count[0]; i++){
int level= coeff[i][0];
int alevel= FFABS(level);
int unquant_coeff, score, distortion;
if(s->out_format == FMT_H263){
unquant_coeff= (alevel*qmul + qadd)>>3;
}else{
unquant_coeff = ((( alevel << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
unquant_coeff = (unquant_coeff - 1) | 1;
}
unquant_coeff = (unquant_coeff + 4) >> 3;
unquant_coeff<<= 3 + 3;
distortion= (unquant_coeff - dc) * (unquant_coeff - dc);
level+=64;
if((level&(~127)) == 0) score= distortion + last_length[UNI_AC_ENC_INDEX(0, level)]*lambda;
else score= distortion + esc_length*lambda;
if(score < best_score){
best_score= score;
best_level= level - 64;
}
}
block[0]= best_level;
s->coded_score[n] = best_score - dc*dc;
if(best_level == 0) return -1;
else return last_non_zero;
}
i= last_i;
assert(last_level);
block[ perm_scantable[last_non_zero] ]= last_level;
i -= last_run + 1;
for(; i>start_i; i -= run_tab[i] + 1){
block[ perm_scantable[i-1] ]= level_tab[i];
}
return last_non_zero;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegvideo_enc.c/#L3121 |
d2a_code_data_45900 | DH *ssl_get_auto_dh(SSL *s)
{
int dh_secbits = 80;
if (s->cert->dh_tmp_auto == 2)
return DH_get_1024_160();
if (s->s3->tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {
if (s->s3->tmp.new_cipher->strength_bits == 256)
dh_secbits = 128;
else
dh_secbits = 80;
} else {
CERT_PKEY *cpk = ssl_get_server_send_pkey(s);
dh_secbits = EVP_PKEY_security_bits(cpk->privatekey);
}
if (dh_secbits >= 128) {
DH *dhp = DH_new();
BIGNUM *p, *g;
if (dhp == NULL)
return NULL;
g = BN_new();
if (g != NULL)
BN_set_word(g, 2);
if (dh_secbits >= 192)
p = BN_get_rfc3526_prime_8192(NULL);
else
p = BN_get_rfc3526_prime_3072(NULL);
if (p == NULL || g == NULL || !DH_set0_pqg(dhp, p, NULL, g)) {
DH_free(dhp);
BN_free(p);
BN_free(g);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | https://github.com/openssl/openssl/blob/2ac7753c107e71bfdcaa08b18eb4e6683292be57/ssl/t1_lib.c/#L4091 |
d2a_code_data_45901 | static int compat_decode(AVCodecContext *avctx, AVFrame *frame,
int *got_frame, AVPacket *pkt)
{
AVCodecInternal *avci = avctx->internal;
int ret;
av_assert0(avci->compat_decode_consumed == 0);
*got_frame = 0;
avci->compat_decode = 1;
if (avci->compat_decode_partial_size > 0 &&
avci->compat_decode_partial_size != pkt->size) {
av_log(avctx, AV_LOG_ERROR,
"Got unexpected packet size after a partial decode\n");
ret = AVERROR(EINVAL);
goto finish;
}
if (!avci->compat_decode_partial_size) {
ret = avcodec_send_packet(avctx, pkt);
if (ret == AVERROR_EOF)
ret = 0;
else if (ret == AVERROR(EAGAIN)) {
ret = AVERROR_BUG;
goto finish;
} else if (ret < 0)
goto finish;
}
while (ret >= 0) {
ret = avcodec_receive_frame(avctx, frame);
if (ret < 0) {
if (ret == AVERROR(EAGAIN) || ret == AVERROR_EOF)
ret = 0;
goto finish;
}
if (frame != avci->compat_decode_frame) {
if (!avctx->refcounted_frames) {
ret = unrefcount_frame(avci, frame);
if (ret < 0)
goto finish;
}
*got_frame = 1;
frame = avci->compat_decode_frame;
} else {
if (!avci->compat_decode_warned) {
av_log(avctx, AV_LOG_WARNING, "The deprecated avcodec_decode_* "
"API cannot return all the frames for this decoder. "
"Some frames will be dropped. Update your code to the "
"new decoding API to fix this.\n");
avci->compat_decode_warned = 1;
}
}
if (avci->draining || (!avctx->codec->bsfs && avci->compat_decode_consumed < pkt->size))
break;
}
finish:
if (ret == 0) {
if (avctx->codec->bsfs)
ret = pkt->size;
else
ret = FFMIN(avci->compat_decode_consumed, pkt->size);
}
avci->compat_decode_consumed = 0;
avci->compat_decode_partial_size = (ret >= 0) ? pkt->size - ret : 0;
return ret;
} | https://github.com/libav/libav/blob/839010aca9713b5cd6ebe7a1db7e805c3625b168/libavcodec/decode.c/#L661 |
d2a_code_data_45902 | static int smka_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
GetBitContext gb;
HuffContext h[4] = { { 0 } };
VLC vlc[4] = { { 0 } };
int16_t *samples;
uint8_t *samples8;
int val;
int i, res, ret;
int unp_size;
int bits, stereo;
int pred[2] = {0, 0};
if (buf_size <= 4) {
av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
return AVERROR(EINVAL);
}
unp_size = AV_RL32(buf);
init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);
if(!get_bits1(&gb)){
av_log(avctx, AV_LOG_INFO, "Sound: no data\n");
*got_frame_ptr = 0;
return 1;
}
stereo = get_bits1(&gb);
bits = get_bits1(&gb);
if (stereo ^ (avctx->channels != 1)) {
av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
return AVERROR(EINVAL);
}
if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {
av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
return AVERROR(EINVAL);
}
frame->nb_samples = unp_size / (avctx->channels * (bits + 1));
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
samples = (int16_t *)frame->data[0];
samples8 = frame->data[0];
for(i = 0; i < (1 << (bits + stereo)); i++) {
h[i].length = 256;
h[i].maxlength = 0;
h[i].current = 0;
h[i].bits = av_mallocz(256 * 4);
h[i].lengths = av_mallocz(256 * sizeof(int));
h[i].values = av_mallocz(256 * sizeof(int));
if (!h[i].bits || !h[i].lengths || !h[i].values) {
ret = AVERROR(ENOMEM);
goto error;
}
skip_bits1(&gb);
if (smacker_decode_tree(&gb, &h[i], 0, 0) < 0) {
ret = AVERROR_INVALIDDATA;
goto error;
}
skip_bits1(&gb);
if(h[i].current > 1) {
res = init_vlc(&vlc[i], SMKTREE_BITS, h[i].length,
h[i].lengths, sizeof(int), sizeof(int),
h[i].bits, sizeof(uint32_t), sizeof(uint32_t), INIT_VLC_LE);
if(res < 0) {
av_log(avctx, AV_LOG_ERROR, "Cannot build VLC table\n");
ret = AVERROR_INVALIDDATA;
goto error;
}
}
}
if(bits) {
for(i = stereo; i >= 0; i--)
pred[i] = sign_extend(av_bswap16(get_bits(&gb, 16)), 16);
for(i = 0; i <= stereo; i++)
*samples++ = pred[i];
for(; i < unp_size / 2; i++) {
if(i & stereo) {
if(vlc[2].table)
res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[2].values[res];
if(vlc[3].table)
res = get_vlc2(&gb, vlc[3].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[3].values[res] << 8;
pred[1] += sign_extend(val, 16);
*samples++ = pred[1];
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[0].values[res];
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[1].values[res] << 8;
pred[0] += sign_extend(val, 16);
*samples++ = pred[0];
}
}
} else {
for(i = stereo; i >= 0; i--)
pred[i] = get_bits(&gb, 8);
for(i = 0; i <= stereo; i++)
*samples8++ = pred[i];
for(; i < unp_size; i++) {
if(i & stereo){
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
pred[1] += sign_extend(h[1].values[res], 8);
*samples8++ = pred[1];
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
pred[0] += sign_extend(h[0].values[res], 8);
*samples8++ = pred[0];
}
}
}
*got_frame_ptr = 1;
ret = buf_size;
error:
for(i = 0; i < 4; i++) {
if(vlc[i].table)
ff_free_vlc(&vlc[i]);
av_free(h[i].bits);
av_free(h[i].lengths);
av_free(h[i].values);
}
return ret;
} | https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavcodec/smacker.c/#L629 |
d2a_code_data_45903 | void CRYPTO_free(void *str, const char *file, int line)
{
if (free_impl != NULL && free_impl != &CRYPTO_free) {
free_impl(str, file, line);
return;
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (call_malloc_debug) {
CRYPTO_mem_debug_free(str, 0, file, line);
free(str);
CRYPTO_mem_debug_free(str, 1, file, line);
} else {
free(str);
}
#else
free(str);
#endif
} | https://github.com/openssl/openssl/blob/270a4bba49849de7f928f4fab186205abd132411/crypto/mem.c/#L281 |
d2a_code_data_45904 | static inline void refill_32(BitstreamContext *bc)
{
if (bc->ptr >= bc->buffer_end)
return;
#ifdef BITSTREAM_READER_LE
bc->bits = (uint64_t)AV_RL32(bc->ptr) << bc->bits_left | bc->bits;
#else
bc->bits = bc->bits | (uint64_t)AV_RB32(bc->ptr) << (32 - bc->bits_left);
#endif
bc->ptr += 4;
bc->bits_left += 32;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L68 |
d2a_code_data_45905 | int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
{
int i, nw, lb, rb;
BN_ULONG *t, *f;
BN_ULONG l;
bn_check_top(r);
bn_check_top(a);
if (n < 0) {
BNerr(BN_F_BN_LSHIFT, BN_R_INVALID_SHIFT);
return 0;
}
nw = n / BN_BITS2;
if (bn_wexpand(r, a->top + nw + 1) == NULL)
return (0);
r->neg = a->neg;
lb = n % BN_BITS2;
rb = BN_BITS2 - lb;
f = a->d;
t = r->d;
t[a->top + nw] = 0;
if (lb == 0)
for (i = a->top - 1; i >= 0; i--)
t[nw + i] = f[i];
else
for (i = a->top - 1; i >= 0; i--) {
l = f[i];
t[nw + i + 1] |= (l >> rb) & BN_MASK2;
t[nw + i] = (l << lb) & BN_MASK2;
}
memset(t, 0, sizeof(*t) * nw);
r->top = a->top + nw + 1;
bn_correct_top(r);
bn_check_top(r);
return (1);
} | https://github.com/openssl/openssl/blob/ae269dd8b72dbed1f2c5f92dbe0fbf5b7b905e7b/crypto/bn/bn_shift.c/#L112 |
d2a_code_data_45906 | static void iv_Decode_Chunk(Indeo3DecodeContext *s,
unsigned char *cur, unsigned char *ref, int width, int height,
const unsigned char *buf1, long fflags2, const unsigned char *hdr,
const unsigned char *buf2, int min_width_160)
{
unsigned char bit_buf;
unsigned long bit_pos, lv, lv1, lv2;
long *width_tbl, width_tbl_arr[10];
const signed char *ref_vectors;
unsigned char *cur_frm_pos, *ref_frm_pos, *cp, *cp2;
uint32_t *cur_lp, *ref_lp;
const uint32_t *correction_lp[2], *correctionloworder_lp[2], *correctionhighorder_lp[2];
unsigned short *correction_type_sp[2];
ustr_t strip_tbl[20], *strip;
int i, j, k, lp1, lp2, flag1, cmd, blks_width, blks_height, region_160_width,
rle_v1, rle_v2, rle_v3;
unsigned short res;
bit_buf = 0;
ref_vectors = NULL;
width_tbl = width_tbl_arr + 1;
i = (width < 0 ? width + 3 : width)/4;
for(j = -1; j < 8; j++)
width_tbl[j] = i * j;
strip = strip_tbl;
for(region_160_width = 0; region_160_width < (width - min_width_160); region_160_width += min_width_160);
strip->ypos = strip->xpos = 0;
for(strip->width = min_width_160; width > strip->width; strip->width *= 2);
strip->height = height;
strip->split_direction = 0;
strip->split_flag = 0;
strip->usl7 = 0;
bit_pos = 0;
rle_v1 = rle_v2 = rle_v3 = 0;
while(strip >= strip_tbl) {
if(bit_pos <= 0) {
bit_pos = 8;
bit_buf = *buf1++;
}
bit_pos -= 2;
cmd = (bit_buf >> bit_pos) & 0x03;
if(cmd == 0) {
strip++;
memcpy(strip, strip-1, sizeof(ustr_t));
strip->split_flag = 1;
strip->split_direction = 0;
strip->height = (strip->height > 8 ? ((strip->height+8)>>4)<<3 : 4);
continue;
} else if(cmd == 1) {
strip++;
memcpy(strip, strip-1, sizeof(ustr_t));
strip->split_flag = 1;
strip->split_direction = 1;
strip->width = (strip->width > 8 ? ((strip->width+8)>>4)<<3 : 4);
continue;
} else if(cmd == 2) {
if(strip->usl7 == 0) {
strip->usl7 = 1;
ref_vectors = NULL;
continue;
}
} else if(cmd == 3) {
if(strip->usl7 == 0) {
strip->usl7 = 1;
ref_vectors = (const signed char*)buf2 + (*buf1 * 2);
buf1++;
continue;
}
}
cur_frm_pos = cur + width * strip->ypos + strip->xpos;
if((blks_width = strip->width) < 0)
blks_width += 3;
blks_width >>= 2;
blks_height = strip->height;
if(ref_vectors != NULL) {
ref_frm_pos = ref + (ref_vectors[0] + strip->ypos) * width +
ref_vectors[1] + strip->xpos;
} else
ref_frm_pos = cur_frm_pos - width_tbl[4];
if(cmd == 2) {
if(bit_pos <= 0) {
bit_pos = 8;
bit_buf = *buf1++;
}
bit_pos -= 2;
cmd = (bit_buf >> bit_pos) & 0x03;
if(cmd == 0 || ref_vectors != NULL) {
for(lp1 = 0; lp1 < blks_width; lp1++) {
for(i = 0, j = 0; i < blks_height; i++, j += width_tbl[1])
((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j];
cur_frm_pos += 4;
ref_frm_pos += 4;
}
} else if(cmd != 1)
return;
} else {
k = *buf1 >> 4;
j = *buf1 & 0x0f;
buf1++;
lv = j + fflags2;
if((lv - 8) <= 7 && (k == 0 || k == 3 || k == 10)) {
cp2 = s->ModPred + ((lv - 8) << 7);
cp = ref_frm_pos;
for(i = 0; i < blks_width << 2; i++) {
int v = *cp >> 1;
*(cp++) = cp2[v];
}
}
if(k == 1 || k == 4) {
lv = (hdr[j] & 0xf) + fflags2;
correction_type_sp[0] = s->corrector_type + (lv << 8);
correction_lp[0] = correction + (lv << 8);
lv = (hdr[j] >> 4) + fflags2;
correction_lp[1] = correction + (lv << 8);
correction_type_sp[1] = s->corrector_type + (lv << 8);
} else {
correctionloworder_lp[0] = correctionloworder_lp[1] = correctionloworder + (lv << 8);
correctionhighorder_lp[0] = correctionhighorder_lp[1] = correctionhighorder + (lv << 8);
correction_type_sp[0] = correction_type_sp[1] = s->corrector_type + (lv << 8);
correction_lp[0] = correction_lp[1] = correction + (lv << 8);
}
switch(k) {
case 1:
case 0:
for( ; blks_height > 0; blks_height -= 4) {
for(lp1 = 0; lp1 < blks_width; lp1++) {
for(lp2 = 0; lp2 < 4; ) {
k = *buf1++;
cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2];
ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2];
switch(correction_type_sp[0][k]) {
case 0:
*cur_lp = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
res = ((le2me_16(((unsigned short *)(ref_lp))[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
((unsigned short *)cur_lp)[0] = le2me_16(res);
res = ((le2me_16(((unsigned short *)(ref_lp))[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
((unsigned short *)cur_lp)[1] = le2me_16(res);
buf1++;
lp2++;
break;
case 2:
if(lp2 == 0) {
for(i = 0, j = 0; i < 2; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 += 2;
}
break;
case 3:
if(lp2 < 2) {
for(i = 0, j = 0; i < (3 - lp2); i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 = 3;
}
break;
case 8:
if(lp2 == 0) {
RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3)
if(rle_v1 == 1 || ref_vectors != NULL) {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
}
RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2)
break;
} else {
rle_v1 = 1;
rle_v2 = *buf1 - 1;
}
case 5:
LP2_CHECK(buf1,rle_v3,lp2)
case 4:
for(i = 0, j = 0; i < (4 - lp2); i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 = 4;
break;
case 7:
if(rle_v3 != 0)
rle_v3 = 0;
else {
buf1--;
rle_v3 = 1;
}
case 6:
if(ref_vectors != NULL) {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
}
lp2 = 4;
break;
case 9:
lv1 = *buf1++;
lv = (lv1 & 0x7F) << 1;
lv += (lv << 8);
lv += (lv << 16);
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = lv;
LV1_CHECK(buf1,rle_v3,lv1,lp2)
break;
default:
return;
}
}
cur_frm_pos += 4;
ref_frm_pos += 4;
}
cur_frm_pos += ((width - blks_width) * 4);
ref_frm_pos += ((width - blks_width) * 4);
}
break;
case 4:
case 3:
if(ref_vectors != NULL)
return;
flag1 = 1;
for( ; blks_height > 0; blks_height -= 8) {
for(lp1 = 0; lp1 < blks_width; lp1++) {
for(lp2 = 0; lp2 < 4; ) {
k = *buf1++;
cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2];
ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1];
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || flag1 == 0 || strip->ypos != 0)
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
else
cur_lp[0] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
res = ((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + correction_lp[lp2 & 0x01][*buf1]) << 1;
((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res);
res = ((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1;
((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(res);
if(lp2 > 0 || flag1 == 0 || strip->ypos != 0)
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
else
cur_lp[0] = cur_lp[width_tbl[1]];
buf1++;
lp2++;
break;
case 2:
if(lp2 == 0) {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = *ref_lp;
lp2 += 2;
}
break;
case 3:
if(lp2 < 2) {
for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1])
cur_lp[j] = *ref_lp;
lp2 = 3;
}
break;
case 6:
lp2 = 4;
break;
case 7:
if(rle_v3 != 0)
rle_v3 = 0;
else {
buf1--;
rle_v3 = 1;
}
lp2 = 4;
break;
case 8:
if(lp2 == 0) {
RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3)
if(rle_v1 == 1) {
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
}
RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2)
break;
} else {
rle_v2 = (*buf1) - 1;
rle_v1 = 1;
}
case 5:
LP2_CHECK(buf1,rle_v3,lp2)
case 4:
for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1])
cur_lp[j] = *ref_lp;
lp2 = 4;
break;
case 9:
av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n");
lv1 = *buf1++;
lv = (lv1 & 0x7F) << 1;
lv += (lv << 8);
lv += (lv << 16);
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = lv;
LV1_CHECK(buf1,rle_v3,lv1,lp2)
break;
default:
return;
}
}
cur_frm_pos += 4;
}
cur_frm_pos += (((width * 2) - blks_width) * 4);
flag1 = 0;
}
break;
case 10:
if(ref_vectors == NULL) {
flag1 = 1;
for( ; blks_height > 0; blks_height -= 8) {
for(lp1 = 0; lp1 < blks_width; lp1 += 2) {
for(lp2 = 0; lp2 < 4; ) {
k = *buf1++;
cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2];
ref_lp = ((uint32_t *)cur_frm_pos) + width_tbl[(lp2 * 2) - 1];
lv1 = ref_lp[0];
lv2 = ref_lp[1];
if(lp2 == 0 && flag1 != 0) {
#ifdef WORDS_BIGENDIAN
lv1 = lv1 & 0xFF00FF00;
lv1 = (lv1 >> 8) | lv1;
lv2 = lv2 & 0xFF00FF00;
lv2 = (lv2 >> 8) | lv2;
#else
lv1 = lv1 & 0x00FF00FF;
lv1 = (lv1 << 8) | lv1;
lv2 = lv2 & 0x00FF00FF;
lv2 = (lv2 << 8) | lv2;
#endif
}
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(lv2) >> 1) + correctionhighorder_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) {
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
cur_lp[0] = cur_lp[width_tbl[1]];
cur_lp[1] = cur_lp[width_tbl[1]+1];
}
lp2++;
break;
case 1:
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(lv1) >> 1) + correctionloworder_lp[lp2 & 0x01][*buf1]) << 1);
cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(lv2) >> 1) + correctionloworder_lp[lp2 & 0x01][k]) << 1);
if(lp2 > 0 || strip->ypos != 0 || flag1 == 0) {
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
cur_lp[0] = cur_lp[width_tbl[1]];
cur_lp[1] = cur_lp[width_tbl[1]+1];
}
buf1++;
lp2++;
break;
case 2:
if(lp2 == 0) {
if(flag1 != 0) {
for(i = 0, j = width_tbl[1]; i < 3; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
}
lp2 += 2;
}
break;
case 3:
if(lp2 < 2) {
if(lp2 == 0 && flag1 != 0) {
for(i = 0, j = width_tbl[1]; i < 5; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
}
lp2 = 3;
}
break;
case 8:
if(lp2 == 0) {
RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3)
if(rle_v1 == 1) {
if(flag1 != 0) {
for(i = 0, j = width_tbl[1]; i < 7; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
}
}
RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2)
break;
} else {
rle_v1 = 1;
rle_v2 = (*buf1) - 1;
}
case 5:
LP2_CHECK(buf1,rle_v3,lp2)
case 4:
if(lp2 == 0 && flag1 != 0) {
for(i = 0, j = width_tbl[1]; i < 7; i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
cur_lp[0] = ((cur_lp[-width_tbl[1]] >> 1) + (cur_lp[width_tbl[1]] >> 1)) & 0xFEFEFEFE;
cur_lp[1] = ((cur_lp[-width_tbl[1]+1] >> 1) + (cur_lp[width_tbl[1]+1] >> 1)) & 0xFEFEFEFE;
} else {
for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) {
cur_lp[j] = lv1;
cur_lp[j+1] = lv2;
}
}
lp2 = 4;
break;
case 6:
lp2 = 4;
break;
case 7:
if(lp2 == 0) {
if(rle_v3 != 0)
rle_v3 = 0;
else {
buf1--;
rle_v3 = 1;
}
lp2 = 4;
}
break;
case 9:
av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n");
lv1 = *buf1;
lv = (lv1 & 0x7F) << 1;
lv += (lv << 8);
lv += (lv << 16);
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1])
cur_lp[j] = lv;
LV1_CHECK(buf1,rle_v3,lv1,lp2)
break;
default:
return;
}
}
cur_frm_pos += 8;
}
cur_frm_pos += (((width * 2) - blks_width) * 4);
flag1 = 0;
}
} else {
for( ; blks_height > 0; blks_height -= 8) {
for(lp1 = 0; lp1 < blks_width; lp1 += 2) {
for(lp2 = 0; lp2 < 4; ) {
k = *buf1++;
cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2];
ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2];
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
lv1 = correctionloworder_lp[lp2 & 0x01][k];
lv2 = correctionhighorder_lp[lp2 & 0x01][k];
cur_lp[0] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1);
cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1);
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
lp2++;
break;
case 1:
lv1 = correctionloworder_lp[lp2 & 0x01][*buf1++];
lv2 = correctionloworder_lp[lp2 & 0x01][k];
cur_lp[0] = le2me_32(((le2me_32(ref_lp[0]) >> 1) + lv1) << 1);
cur_lp[1] = le2me_32(((le2me_32(ref_lp[1]) >> 1) + lv2) << 1);
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + lv1) << 1);
cur_lp[width_tbl[1]+1] = le2me_32(((le2me_32(ref_lp[width_tbl[1]+1]) >> 1) + lv2) << 1);
lp2++;
break;
case 2:
if(lp2 == 0) {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1]) {
cur_lp[j] = ref_lp[j];
cur_lp[j+1] = ref_lp[j+1];
}
lp2 += 2;
}
break;
case 3:
if(lp2 < 2) {
for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1]) {
cur_lp[j] = ref_lp[j];
cur_lp[j+1] = ref_lp[j+1];
}
lp2 = 3;
}
break;
case 8:
if(lp2 == 0) {
RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3)
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1]) {
((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)ref_frm_pos)[j];
((uint32_t *)cur_frm_pos)[j+1] = ((uint32_t *)ref_frm_pos)[j+1];
}
RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2)
break;
} else {
rle_v1 = 1;
rle_v2 = (*buf1) - 1;
}
case 5:
case 7:
LP2_CHECK(buf1,rle_v3,lp2)
case 6:
case 4:
for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1]) {
cur_lp[j] = ref_lp[j];
cur_lp[j+1] = ref_lp[j+1];
}
lp2 = 4;
break;
case 9:
av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n");
lv1 = *buf1;
lv = (lv1 & 0x7F) << 1;
lv += (lv << 8);
lv += (lv << 16);
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1])
((uint32_t *)cur_frm_pos)[j] = ((uint32_t *)cur_frm_pos)[j+1] = lv;
LV1_CHECK(buf1,rle_v3,lv1,lp2)
break;
default:
return;
}
}
cur_frm_pos += 8;
ref_frm_pos += 8;
}
cur_frm_pos += (((width * 2) - blks_width) * 4);
ref_frm_pos += (((width * 2) - blks_width) * 4);
}
}
break;
case 11:
if(ref_vectors == NULL)
return;
for( ; blks_height > 0; blks_height -= 8) {
for(lp1 = 0; lp1 < blks_width; lp1++) {
for(lp2 = 0; lp2 < 4; ) {
k = *buf1++;
cur_lp = ((uint32_t *)cur_frm_pos) + width_tbl[lp2 * 2];
ref_lp = ((uint32_t *)ref_frm_pos) + width_tbl[lp2 * 2];
switch(correction_type_sp[lp2 & 0x01][k]) {
case 0:
cur_lp[0] = le2me_32(((le2me_32(*ref_lp) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
cur_lp[width_tbl[1]] = le2me_32(((le2me_32(ref_lp[width_tbl[1]]) >> 1) + correction_lp[lp2 & 0x01][k]) << 1);
lp2++;
break;
case 1:
lv1 = (unsigned short)(correction_lp[lp2 & 0x01][*buf1++]);
lv2 = (unsigned short)(correction_lp[lp2 & 0x01][k]);
res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[0]) >> 1) + lv1) << 1);
((unsigned short *)cur_lp)[0] = le2me_16(res);
res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[1]) >> 1) + lv2) << 1);
((unsigned short *)cur_lp)[1] = le2me_16(res);
res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]]) >> 1) + lv1) << 1);
((unsigned short *)cur_lp)[width_tbl[2]] = le2me_16(res);
res = (unsigned short)(((le2me_16(((unsigned short *)ref_lp)[width_tbl[2]+1]) >> 1) + lv2) << 1);
((unsigned short *)cur_lp)[width_tbl[2]+1] = le2me_16(res);
lp2++;
break;
case 2:
if(lp2 == 0) {
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 += 2;
}
break;
case 3:
if(lp2 < 2) {
for(i = 0, j = 0; i < 6 - (lp2 * 2); i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 = 3;
}
break;
case 8:
if(lp2 == 0) {
RLE_V3_CHECK(buf1,rle_v1,rle_v2,rle_v3)
for(i = 0, j = 0; i < 8; i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
RLE_V2_CHECK(buf1,rle_v2, rle_v3,lp2)
break;
} else {
rle_v1 = 1;
rle_v2 = (*buf1) - 1;
}
case 5:
case 7:
LP2_CHECK(buf1,rle_v3,lp2)
case 4:
case 6:
for(i = 0, j = 0; i < 8 - (lp2 * 2); i++, j += width_tbl[1])
cur_lp[j] = ref_lp[j];
lp2 = 4;
break;
case 9:
av_log(s->avctx, AV_LOG_ERROR, "UNTESTED.\n");
lv1 = *buf1++;
lv = (lv1 & 0x7F) << 1;
lv += (lv << 8);
lv += (lv << 16);
for(i = 0, j = 0; i < 4; i++, j += width_tbl[1])
cur_lp[j] = lv;
LV1_CHECK(buf1,rle_v3,lv1,lp2)
break;
default:
return;
}
}
cur_frm_pos += 4;
ref_frm_pos += 4;
}
cur_frm_pos += (((width * 2) - blks_width) * 4);
ref_frm_pos += (((width * 2) - blks_width) * 4);
}
break;
default:
return;
}
}
if(strip < strip_tbl)
return;
for( ; strip >= strip_tbl; strip--) {
if(strip->split_flag != 0) {
strip->split_flag = 0;
strip->usl7 = (strip-1)->usl7;
if(strip->split_direction) {
strip->xpos += strip->width;
strip->width = (strip-1)->width - strip->width;
if(region_160_width <= strip->xpos && width < strip->width + strip->xpos)
strip->width = width - strip->xpos;
} else {
strip->ypos += strip->height;
strip->height = (strip-1)->height - strip->height;
}
break;
}
}
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/indeo3.c/#L346 |
d2a_code_data_45907 | static int check_crl_chain(X509_STORE_CTX *ctx,
STACK_OF(X509) *cert_path,
STACK_OF(X509) *crl_path)
{
X509 *cert_ta, *crl_ta;
cert_ta = sk_X509_value(cert_path, sk_X509_num(cert_path) - 1);
crl_ta = sk_X509_value(crl_path, sk_X509_num(crl_path) - 1);
if (!X509_cmp(cert_ta, crl_ta))
return 1;
return 0;
} | https://github.com/openssl/openssl/blob/bbb19418e672007590c65a12aa24e1b59927b2cc/crypto/x509/x509_vfy.c/#L1201 |
d2a_code_data_45908 | static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
VideoMuxData *img = s->priv_data;
AVIOContext *pb[3];
char filename[1024];
AVCodecContext *codec = s->streams[pkt->stream_index]->codec;
int i;
if (!img->is_pipe) {
if (img->update) {
av_strlcpy(filename, img->path, sizeof(filename));
} else if (av_get_frame_filename(filename, sizeof(filename), img->path, img->img_number) < 0 &&
img->img_number > 1) {
av_log(s, AV_LOG_ERROR,
"Could not get frame filename number %d from pattern '%s'\n",
img->img_number, img->path);
return AVERROR(EIO);
}
for (i = 0; i < 3; i++) {
if (s->io_open(s, &pb[i], img->tmp, AVIO_FLAG_WRITE, NULL) < 0) {
av_log(s, AV_LOG_ERROR, "Could not open file : %s\n", img->tmp);
return AVERROR(EIO);
}
if (codec->codec_id != AV_CODEC_ID_RAWVIDEO)
break;
filename[strlen(filename) - 1] = 'U' + i;
}
} else {
pb[0] = s->pb;
}
if (codec->codec_id == AV_CODEC_ID_RAWVIDEO) {
int ysize = codec->width * codec->height;
avio_write(pb[0], pkt->data, ysize);
avio_write(pb[1], pkt->data + ysize, (pkt->size - ysize) / 2);
avio_write(pb[2], pkt->data + ysize + (pkt->size - ysize) / 2, (pkt->size - ysize) / 2);
ff_format_io_close(s, &pb[1]);
ff_format_io_close(s, &pb[2]);
} else {
if (ff_guess_image2_codec(s->filename) == AV_CODEC_ID_JPEG2000) {
AVStream *st = s->streams[0];
if (st->codec->extradata_size > 8 &&
AV_RL32(st->codec->extradata + 4) == MKTAG('j', 'p', '2', 'h')) {
if (pkt->size < 8 ||
AV_RL32(pkt->data + 4) != MKTAG('j', 'p', '2', 'c'))
goto error;
avio_wb32(pb[0], 12);
ffio_wfourcc(pb[0], "jP ");
avio_wb32(pb[0], 0x0D0A870A);
avio_wb32(pb[0], 20);
ffio_wfourcc(pb[0], "ftyp");
ffio_wfourcc(pb[0], "jp2 ");
avio_wb32(pb[0], 0);
ffio_wfourcc(pb[0], "jp2 ");
avio_write(pb[0], st->codec->extradata, st->codec->extradata_size);
} else if (pkt->size < 8 ||
(!st->codec->extradata_size &&
AV_RL32(pkt->data + 4) != MKTAG('j', 'P', ' ', ' '))) {
error:
av_log(s, AV_LOG_ERROR, "malformed JPEG 2000 codestream\n");
return -1;
}
}
avio_write(pb[0], pkt->data, pkt->size);
}
avio_flush(pb[0]);
if (!img->is_pipe) {
ff_format_io_close(s, &pb[0]);
ff_rename(img->tmp, filename);
}
img->img_number++;
return 0;
} | https://github.com/libav/libav/blob/611ba89b896a5286b6d8ad9bfdbb8b4f5c11df9c/libavformat/img2enc.c/#L82 |
d2a_code_data_45909 | void print_name(BIO *out, const char *title, X509_NAME *nm,
unsigned long lflags)
{
char *buf;
char mline = 0;
int indent = 0;
if (title)
BIO_puts(out, title);
if ((lflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
mline = 1;
indent = 4;
}
if (lflags == XN_FLAG_COMPAT) {
buf = X509_NAME_oneline(nm, 0, 0);
BIO_puts(out, buf);
BIO_puts(out, "\n");
OPENSSL_free(buf);
} else {
if (mline)
BIO_puts(out, "\n");
X509_NAME_print_ex(out, nm, indent, lflags);
BIO_puts(out, "\n");
}
} | https://github.com/openssl/openssl/blob/c3612970465d0a13f2fc5b47bc28ca18516a699d/apps/apps.c/#L1022 |
d2a_code_data_45910 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int err, use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
AVOutputFormat *file_oformat;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
av_exit(1);
}
if (last_asked_format) {
file_oformat = av_guess_format(last_asked_format, NULL, NULL);
if (!file_oformat) {
fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
av_exit(1);
}
last_asked_format = NULL;
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
filename);
av_exit(1);
}
}
oc->oformat = file_oformat;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_ffserver_streams(oc, filename);
if (err < 0) {
print_error(filename, err);
av_exit(1);
}
} else {
use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
if (nb_input_files > 0) {
check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
&input_has_subtitle);
if (!input_has_video)
use_video = 0;
if (!input_has_audio)
use_audio = 0;
if (!input_has_subtitle)
use_subtitle = 0;
}
if (audio_disable) {
use_audio = 0;
}
if (video_disable) {
use_video = 0;
}
if (subtitle_disable) {
use_subtitle = 0;
}
if (use_video) {
new_video_stream(oc);
}
if (use_audio) {
new_audio_stream(oc);
}
if (use_subtitle) {
new_subtitle_stream(oc);
}
oc->timestamp = rec_timestamp;
for(; metadata_count>0; metadata_count--){
av_metadata_set2(&oc->metadata, metadata[metadata_count-1].key,
metadata[metadata_count-1].value, 0);
}
av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
}
output_files[nb_output_files++] = oc;
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR_NUMEXPECTED);
av_exit(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
if (!file_overwrite &&
(strchr(filename, ':') == NULL ||
filename[1] == ':' ||
av_strstart(filename, "file:", NULL))) {
if (url_exist(filename)) {
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
if (!read_yesno()) {
fprintf(stderr, "Not overwriting - exiting\n");
av_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
av_exit(1);
}
}
}
if ((err = url_fopen(&oc->pb, filename, URL_WRONLY)) < 0) {
print_error(filename, err);
av_exit(1);
}
}
memset(ap, 0, sizeof(*ap));
if (av_set_parameters(oc, ap) < 0) {
fprintf(stderr, "%s: Invalid encoding parameters\n",
oc->filename);
av_exit(1);
}
oc->preload= (int)(mux_preload*AV_TIME_BASE);
oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
oc->loop_output = loop_output;
oc->flags |= AVFMT_FLAG_NONBLOCK;
set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
} | https://github.com/libav/libav/blob/27241cbffe180fc92f9f519c6ea7957fc4b3b0c9/ffmpeg.c/#L3664 |
d2a_code_data_45911 | static void
doapr_outch(char **sbuffer,
char **buffer, size_t *currlen, size_t *maxlen, int c)
{
assert(*sbuffer != NULL || buffer != NULL);
if (buffer) {
while (*currlen >= *maxlen) {
if (*buffer == NULL) {
if (*maxlen == 0)
*maxlen = 1024;
*buffer = OPENSSL_malloc(*maxlen);
if(!*buffer) {
return;
}
if (*currlen > 0) {
assert(*sbuffer != NULL);
memcpy(*buffer, *sbuffer, *currlen);
}
*sbuffer = NULL;
} else {
*maxlen += 1024;
*buffer = OPENSSL_realloc(*buffer, *maxlen);
if(!*buffer) {
return;
}
}
}
assert(*sbuffer != NULL || *buffer != NULL);
}
if (*currlen < *maxlen) {
if (*sbuffer)
(*sbuffer)[(*currlen)++] = (char)c;
else
(*buffer)[(*currlen)++] = (char)c;
}
return;
} | https://github.com/openssl/openssl/blob/ac5a110621ca48f0bebd5b4d76d081de403da29e/crypto/bio/b_print.c/#L740 |
d2a_code_data_45912 | void ssl3_cbc_copy_mac(unsigned char *out,
const SSL3_RECORD *rec, size_t md_size)
{
#if defined(CBC_MAC_ROTATE_IN_PLACE)
unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];
unsigned char *rotated_mac;
#else
unsigned char rotated_mac[EVP_MAX_MD_SIZE];
#endif
size_t mac_end = rec->length;
size_t mac_start = mac_end - md_size;
size_t scan_start = 0;
size_t i, j;
size_t div_spoiler;
size_t rotate_offset;
OPENSSL_assert(rec->orig_len >= md_size);
OPENSSL_assert(md_size <= EVP_MAX_MD_SIZE);
#if defined(CBC_MAC_ROTATE_IN_PLACE)
rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);
#endif
if (rec->orig_len > md_size + 255 + 1)
scan_start = rec->orig_len - (md_size + 255 + 1);
div_spoiler = md_size >> 1;
div_spoiler <<= (sizeof(div_spoiler) - 1) * 8;
rotate_offset = (div_spoiler + mac_start - scan_start) % md_size;
memset(rotated_mac, 0, md_size);
for (i = scan_start, j = 0; i < rec->orig_len; i++) {
unsigned char mac_started = constant_time_ge_8_s(i, mac_start);
unsigned char mac_ended = constant_time_ge_8_s(i, mac_end);
unsigned char b = rec->data[i];
rotated_mac[j++] |= b & mac_started & ~mac_ended;
j &= constant_time_lt_s(j, md_size);
}
#if defined(CBC_MAC_ROTATE_IN_PLACE)
j = 0;
for (i = 0; i < md_size; i++) {
((volatile unsigned char *)rotated_mac)[rotate_offset ^ 32];
out[j++] = rotated_mac[rotate_offset++];
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#else
memset(out, 0, md_size);
rotate_offset = md_size - rotate_offset;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
for (i = 0; i < md_size; i++) {
for (j = 0; j < md_size; j++)
out[j] |= rotated_mac[i] & constant_time_eq_8_s(j, rotate_offset);
rotate_offset++;
rotate_offset &= constant_time_lt_s(rotate_offset, md_size);
}
#endif
} | https://github.com/openssl/openssl/blob/6438632420cee9821409221ef6717edc5ee408c1/ssl/record/ssl3_record.c/#L1245 |
d2a_code_data_45913 | static dav_error * dav_validate_resource_state(apr_pool_t *p,
const dav_resource *resource,
dav_lockdb *lockdb,
const dav_if_header *if_header,
int flags,
dav_buffer *pbuf,
request_rec *r)
{
dav_error *err;
const char *uri;
const char *etag;
const dav_hooks_locks *locks_hooks = (lockdb ? lockdb->hooks : NULL);
const dav_if_header *ifhdr_scan;
dav_if_state_list *state_list;
dav_lock *lock_list;
dav_lock *lock;
int num_matched;
int num_that_apply;
int seen_locktoken;
apr_size_t uri_len;
const char *reason = NULL;
if (lockdb == NULL) {
lock_list = NULL;
}
else {
if ((err = dav_lock_query(lockdb, resource, &lock_list)) != NULL) {
return dav_push_error(p,
HTTP_INTERNAL_SERVER_ERROR, 0,
"The locks could not be queried for "
"verification against a possible \"If:\" "
"header.",
err);
}
}
if (flags & DAV_LOCKSCOPE_EXCLUSIVE) {
if (lock_list != NULL) {
return dav_new_error(p, HTTP_LOCKED, 0, 0,
"Existing lock(s) on the requested resource "
"prevent an exclusive lock.");
}
seen_locktoken = 1;
}
else if (flags & DAV_LOCKSCOPE_SHARED) {
for (lock = lock_list; lock != NULL; lock = lock->next) {
if (lock->scope == DAV_LOCKSCOPE_EXCLUSIVE) {
return dav_new_error(p, HTTP_LOCKED, 0, 0,
"The requested resource is already "
"locked exclusively.");
}
}
seen_locktoken = 1;
}
else {
seen_locktoken = (lock_list == NULL);
}
if (if_header == NULL) {
if (seen_locktoken)
return NULL;
return dav_new_error(p, HTTP_LOCKED, 0, 0,
"This resource is locked and an \"If:\" header "
"was not supplied to allow access to the "
"resource.");
}
if (lock_list == NULL && if_header->dummy_header) {
if (flags & DAV_VALIDATE_IS_PARENT)
return NULL;
return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0,
"The locktoken specified in the \"Lock-Token:\" "
"header is invalid because this resource has no "
"outstanding locks.");
}
uri = resource->uri;
uri_len = strlen(uri);
if (uri[uri_len - 1] == '/') {
dav_set_bufsize(p, pbuf, uri_len);
memcpy(pbuf->buf, uri, uri_len);
pbuf->buf[--uri_len] = '\0';
uri = pbuf->buf;
}
etag = (*resource->hooks->getetag)(resource);
num_that_apply = 0;
for (ifhdr_scan = if_header;
ifhdr_scan != NULL;
ifhdr_scan = ifhdr_scan->next) {
if (ifhdr_scan->uri != NULL
&& (uri_len != ifhdr_scan->uri_len
|| memcmp(uri, ifhdr_scan->uri, uri_len) != 0)) {
continue;
}
++num_that_apply;
for (state_list = ifhdr_scan->state;
state_list != NULL;
state_list = state_list->next) {
switch(state_list->type) {
case dav_if_etag:
{
const char *given_etag, *current_etag;
int mismatch;
if (state_list->etag[0] == 'W' &&
state_list->etag[1] == '/') {
given_etag = state_list->etag + 2;
}
else {
given_etag = state_list->etag;
}
if (etag[0] == 'W' &&
etag[1] == '/') {
current_etag = etag + 2;
}
else {
current_etag = etag;
}
mismatch = strcmp(given_etag, current_etag);
if (state_list->condition == DAV_IF_COND_NORMAL && mismatch) {
reason =
"an entity-tag was specified, but the resource's "
"actual ETag does not match.";
goto state_list_failed;
}
else if (state_list->condition == DAV_IF_COND_NOT
&& !mismatch) {
reason =
"an entity-tag was specified using the \"Not\" form, "
"but the resource's actual ETag matches the provided "
"entity-tag.";
goto state_list_failed;
}
break;
}
case dav_if_opaquelock:
if (lockdb == NULL) {
if (state_list->condition == DAV_IF_COND_NOT) {
continue;
}
reason =
"a State-token was supplied, but a lock database "
"is not available for to provide the required lock.";
goto state_list_failed;
}
num_matched = 0;
for (lock = lock_list; lock != NULL; lock = lock->next) {
if ((*locks_hooks->compare_locktoken)(state_list->locktoken, lock->locktoken)) {
continue;
}
seen_locktoken = 1;
if (state_list->condition == DAV_IF_COND_NOT) {
reason =
"a State-token was supplied, which used a "
"\"Not\" condition. The State-token was found "
"in the locks on this resource";
goto state_list_failed;
}
if (lock->auth_user &&
(!r->user ||
strcmp(lock->auth_user, r->user))) {
const char *errmsg;
errmsg = apr_pstrcat(p, "User \"",
r->user,
"\" submitted a locktoken created "
"by user \"",
lock->auth_user, "\".", NULL);
return dav_new_error(p, HTTP_FORBIDDEN, 0, 0, errmsg);
}
num_matched = 1;
break;
}
if (num_matched == 0
&& state_list->condition == DAV_IF_COND_NORMAL) {
reason =
"a State-token was supplied, but it was not found "
"in the locks on this resource.";
goto state_list_failed;
}
break;
case dav_if_unknown:
if (state_list->condition == DAV_IF_COND_NORMAL) {
reason =
"an unknown state token was supplied";
goto state_list_failed;
}
break;
}
}
if (seen_locktoken) {
return NULL;
}
break;
state_list_failed:
;
}
if (ifhdr_scan == NULL) {
if (num_that_apply == 0) {
if (seen_locktoken)
return NULL;
if (dav_find_submitted_locktoken(if_header, lock_list,
locks_hooks)) {
return NULL;
}
return dav_new_error(p, HTTP_LOCKED, 0 , 0,
"This resource is locked and the \"If:\" "
"header did not specify one of the "
"locktokens for this resource's lock(s).");
}
if (if_header->dummy_header) {
return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0,
"The locktoken specified in the "
"\"Lock-Token:\" header did not specify one "
"of this resource's locktoken(s).");
}
if (reason == NULL) {
return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0,
"The preconditions specified by the \"If:\" "
"header did not match this resource.");
}
return dav_new_error(p, HTTP_PRECONDITION_FAILED, 0, 0,
apr_psprintf(p,
"The precondition(s) specified by "
"the \"If:\" header did not match "
"this resource. At least one "
"failure is because: %s", reason));
}
if (dav_find_submitted_locktoken(if_header, lock_list, locks_hooks)) {
return NULL;
}
if (if_header->dummy_header) {
return dav_new_error(p, HTTP_BAD_REQUEST, 0, 0,
"The locktoken specified in the "
"\"Lock-Token:\" header did not specify one "
"of this resource's locktoken(s).");
}
return dav_new_error(p, HTTP_LOCKED, 1 , 0,
"This resource is locked and the \"If:\" header "
"did not specify one of the "
"locktokens for this resource's lock(s).");
} | https://github.com/apache/httpd/blob/8b2ec33ac5d314be345814db08e194ffeda6beb0/modules/dav/main/util.c/#L989 |
d2a_code_data_45914 | int
TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s)
{
TIFFDirectory *td = &tif->tif_dir;
if (x >= td->td_imagewidth) {
TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
"%lu: Col out of range, max %lu",
(unsigned long) x,
(unsigned long) (td->td_imagewidth - 1));
return (0);
}
if (y >= td->td_imagelength) {
TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
"%lu: Row out of range, max %lu",
(unsigned long) y,
(unsigned long) (td->td_imagelength - 1));
return (0);
}
if (z >= td->td_imagedepth) {
TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
"%lu: Depth out of range, max %lu",
(unsigned long) z,
(unsigned long) (td->td_imagedepth - 1));
return (0);
}
if (td->td_planarconfig == PLANARCONFIG_SEPARATE &&
s >= td->td_samplesperpixel) {
TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
"%lu: Sample out of range, max %lu",
(unsigned long) s,
(unsigned long) (td->td_samplesperpixel - 1));
return (0);
}
return (1);
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_tile.c/#L106 |
d2a_code_data_45915 | static int smka_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
SmackerAudioContext *s = avctx->priv_data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
GetBitContext gb;
HuffContext h[4] = { { 0 } };
VLC vlc[4] = { { 0 } };
int16_t *samples;
uint8_t *samples8;
int val;
int i, res, ret;
int unp_size;
int bits, stereo;
int pred[2] = {0, 0};
if (buf_size <= 4) {
av_log(avctx, AV_LOG_ERROR, "packet is too small\n");
return AVERROR(EINVAL);
}
unp_size = AV_RL32(buf);
init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);
if(!get_bits1(&gb)){
av_log(avctx, AV_LOG_INFO, "Sound: no data\n");
*got_frame_ptr = 0;
return 1;
}
stereo = get_bits1(&gb);
bits = get_bits1(&gb);
if (stereo ^ (avctx->channels != 1)) {
av_log(avctx, AV_LOG_ERROR, "channels mismatch\n");
return AVERROR(EINVAL);
}
if (bits && avctx->sample_fmt == AV_SAMPLE_FMT_U8) {
av_log(avctx, AV_LOG_ERROR, "sample format mismatch\n");
return AVERROR(EINVAL);
}
s->frame.nb_samples = unp_size / (avctx->channels * (bits + 1));
if ((ret = avctx->get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
samples = (int16_t *)s->frame.data[0];
samples8 = s->frame.data[0];
for(i = 0; i < (1 << (bits + stereo)); i++) {
h[i].length = 256;
h[i].maxlength = 0;
h[i].current = 0;
h[i].bits = av_mallocz(256 * 4);
h[i].lengths = av_mallocz(256 * sizeof(int));
h[i].values = av_mallocz(256 * sizeof(int));
skip_bits1(&gb);
smacker_decode_tree(&gb, &h[i], 0, 0);
skip_bits1(&gb);
if(h[i].current > 1) {
res = init_vlc(&vlc[i], SMKTREE_BITS, h[i].length,
h[i].lengths, sizeof(int), sizeof(int),
h[i].bits, sizeof(uint32_t), sizeof(uint32_t), INIT_VLC_LE);
if(res < 0) {
av_log(avctx, AV_LOG_ERROR, "Cannot build VLC table\n");
return -1;
}
}
}
if(bits) {
for(i = stereo; i >= 0; i--)
pred[i] = sign_extend(av_bswap16(get_bits(&gb, 16)), 16);
for(i = 0; i <= stereo; i++)
*samples++ = pred[i];
for(; i < unp_size / 2; i++) {
if(i & stereo) {
if(vlc[2].table)
res = get_vlc2(&gb, vlc[2].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[2].values[res];
if(vlc[3].table)
res = get_vlc2(&gb, vlc[3].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[3].values[res] << 8;
pred[1] += sign_extend(val, 16);
*samples++ = av_clip_int16(pred[1]);
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
val = h[0].values[res];
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
val |= h[1].values[res] << 8;
pred[0] += sign_extend(val, 16);
*samples++ = av_clip_int16(pred[0]);
}
}
} else {
for(i = stereo; i >= 0; i--)
pred[i] = get_bits(&gb, 8);
for(i = 0; i <= stereo; i++)
*samples8++ = pred[i];
for(; i < unp_size; i++) {
if(i & stereo){
if(vlc[1].table)
res = get_vlc2(&gb, vlc[1].table, SMKTREE_BITS, 3);
else
res = 0;
pred[1] += sign_extend(h[1].values[res], 8);
*samples8++ = av_clip_uint8(pred[1]);
} else {
if(vlc[0].table)
res = get_vlc2(&gb, vlc[0].table, SMKTREE_BITS, 3);
else
res = 0;
pred[0] += sign_extend(h[0].values[res], 8);
*samples8++ = av_clip_uint8(pred[0]);
}
}
}
for(i = 0; i < 4; i++) {
if(vlc[i].table)
ff_free_vlc(&vlc[i]);
av_free(h[i].bits);
av_free(h[i].lengths);
av_free(h[i].values);
}
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
return buf_size;
} | https://github.com/libav/libav/blob/33bb63cb3e1de6d78c475cf14384089ef3f1867d/libavcodec/smacker.c/#L606 |
d2a_code_data_45916 | BIGNUM *BN_copy(BIGNUM *a, const BIGNUM *b)
{
bn_check_top(b);
if (a == b)
return a;
if (bn_wexpand(a, b->top) == NULL)
return NULL;
if (b->top > 0)
memcpy(a->d, b->d, sizeof(b->d[0]) * b->top);
a->neg = b->neg;
a->top = b->top;
a->flags |= b->flags & BN_FLG_FIXED_TOP;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L291 |
d2a_code_data_45917 | int OPENSSL_SA_set(OPENSSL_SA *sa, ossl_uintmax_t posn, void *val)
{
int i, level = 1;
ossl_uintmax_t n = posn;
void **p;
if (sa == NULL)
return 0;
for (level = 1; level < SA_BLOCK_MAX_LEVELS; level++)
if ((n >>= OPENSSL_SA_BLOCK_BITS) == 0)
break;
for (;sa->levels < level; sa->levels++) {
p = alloc_node();
if (p == NULL)
return 0;
p[0] = sa->nodes;
sa->nodes = p;
}
if (sa->top < posn)
sa->top = posn;
p = sa->nodes;
for (level = sa->levels - 1; level > 0; level--) {
i = (posn >> (OPENSSL_SA_BLOCK_BITS * level)) & SA_BLOCK_MASK;
if (p[i] == NULL && (p[i] = alloc_node()) == NULL)
return 0;
p = p[i];
}
p += posn & SA_BLOCK_MASK;
if (val == NULL && *p != NULL)
sa->nelem--;
else if (val != NULL && *p == NULL)
sa->nelem++;
*p = val;
return 1;
} | https://github.com/openssl/openssl/blob/8ab53b193a8e95bb2998744bc184146eb1ddcc23/crypto/sparse_array.c/#L215 |
d2a_code_data_45918 | int ASYNC_start_job(ASYNC_JOB **job, int *ret, int (*func)(void *),
void *args, size_t size)
{
if (async_get_ctx() == NULL && async_ctx_new() == NULL) {
return ASYNC_ERR;
}
if (*job) {
async_get_ctx()->currjob = *job;
}
for (;;) {
if (async_get_ctx()->currjob != NULL) {
if (async_get_ctx()->currjob->status == ASYNC_JOB_STOPPING) {
*ret = async_get_ctx()->currjob->ret;
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_FINISH;
}
if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSING) {
*job = async_get_ctx()->currjob;
async_get_ctx()->currjob->status = ASYNC_JOB_PAUSED;
async_get_ctx()->currjob = NULL;
return ASYNC_PAUSE;
}
if (async_get_ctx()->currjob->status == ASYNC_JOB_PAUSED) {
async_get_ctx()->currjob = *job;
if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB,
ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
continue;
}
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_INTERNAL_ERROR);
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
}
if ((async_get_ctx()->currjob = async_get_pool_job()) == NULL) {
return ASYNC_NO_JOBS;
}
if (args != NULL) {
async_get_ctx()->currjob->funcargs = OPENSSL_malloc(size);
if (async_get_ctx()->currjob->funcargs == NULL) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ERR_R_MALLOC_FAILURE);
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
return ASYNC_ERR;
}
memcpy(async_get_ctx()->currjob->funcargs, args, size);
} else {
async_get_ctx()->currjob->funcargs = NULL;
}
async_get_ctx()->currjob->func = func;
if (!async_fibre_swapcontext(&async_get_ctx()->dispatcher,
&async_get_ctx()->currjob->fibrectx, 1)) {
ASYNCerr(ASYNC_F_ASYNC_START_JOB, ASYNC_R_FAILED_TO_SWAP_CONTEXT);
goto err;
}
}
err:
async_release_job(async_get_ctx()->currjob);
async_get_ctx()->currjob = NULL;
*job = NULL;
return ASYNC_ERR;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/async/async.c/#L217 |
d2a_code_data_45919 | void t2p_read_tiff_size(T2P* t2p, TIFF* input){
uint64* sbc=NULL;
#if defined(JPEG_SUPPORT) || defined (OJPEG_SUPPORT)
unsigned char* jpt=NULL;
tstrip_t i=0;
tstrip_t stripcount=0;
#endif
#ifdef OJPEG_SUPPORT
tsize_t k = 0;
#endif
if(t2p->pdf_transcode == T2P_TRANSCODE_RAW){
#ifdef CCITT_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_G4 ){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef ZIP_SUPPORT
if(t2p->pdf_compression == T2P_COMPRESS_ZIP){
TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc);
t2p->tiff_datasize=(tmsize_t)sbc[0];
return;
}
#endif
#ifdef OJPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_OJPEG){
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
stripcount=TIFFNumberOfStrips(input);
for(i=0;i<stripcount;i++){
k += sbc[i];
}
if(TIFFGetField(input, TIFFTAG_JPEGIFOFFSET, &(t2p->tiff_dataoffset))){
if(t2p->tiff_dataoffset != 0){
if(TIFFGetField(input, TIFFTAG_JPEGIFBYTECOUNT, &(t2p->tiff_datasize))!=0){
if(t2p->tiff_datasize < k) {
t2p->pdf_ojpegiflength=t2p->tiff_datasize;
t2p->tiff_datasize+=k;
t2p->tiff_datasize+=6;
t2p->tiff_datasize+=2*stripcount;
TIFFWarning(TIFF2PDF_MODULE,
"Input file %s has short JPEG interchange file byte count",
TIFFFileName(input));
return;
}
return;
}else {
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_JPEGIFBYTECOUNT",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
}
}
t2p->tiff_datasize+=k;
t2p->tiff_datasize+=2*stripcount;
t2p->tiff_datasize+=2048;
return;
}
#endif
#ifdef JPEG_SUPPORT
if(t2p->tiff_compression == COMPRESSION_JPEG) {
uint32 count = 0;
if(TIFFGetField(input, TIFFTAG_JPEGTABLES, &count, &jpt) != 0 ){
if(count > 4){
t2p->tiff_datasize += count;
t2p->tiff_datasize -= 2;
}
} else {
t2p->tiff_datasize = 2;
}
stripcount=TIFFNumberOfStrips(input);
if(!TIFFGetField(input, TIFFTAG_STRIPBYTECOUNTS, &sbc)){
TIFFError(TIFF2PDF_MODULE,
"Input file %s missing field: TIFFTAG_STRIPBYTECOUNTS",
TIFFFileName(input));
t2p->t2p_error = T2P_ERR_ERROR;
return;
}
for(i=0;i<stripcount;i++){
t2p->tiff_datasize += sbc[i];
t2p->tiff_datasize -=4;
}
t2p->tiff_datasize +=2;
return;
}
#endif
(void) 0;
}
t2p->tiff_datasize=TIFFScanlineSize(input) * t2p->tiff_length;
if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){
t2p->tiff_datasize*= t2p->tiff_samplesperpixel;
}
return;
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/tools/tiff2pdf.c/#L1788 |
d2a_code_data_45920 | int RAND_poll(void)
{
int ret = 0;
RAND_POOL *pool = NULL;
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth == RAND_OpenSSL()) {
RAND_DRBG *drbg = RAND_DRBG_get0_master();
if (drbg == NULL)
return 0;
rand_drbg_lock(drbg);
ret = rand_drbg_restart(drbg, NULL, 0, 0);
rand_drbg_unlock(drbg);
return ret;
} else {
pool = rand_pool_new(RAND_DRBG_STRENGTH,
RAND_DRBG_STRENGTH / 8,
RAND_POOL_MAX_LENGTH);
if (pool == NULL)
return 0;
if (rand_pool_acquire_entropy(pool) == 0)
goto err;
if (meth->add == NULL
|| meth->add(rand_pool_buffer(pool),
rand_pool_length(pool),
(rand_pool_entropy(pool) / 8.0)) == 0)
goto err;
ret = 1;
}
err:
rand_pool_free(pool);
return ret;
} | https://github.com/openssl/openssl/blob/95658c32436017aeeef3d8598957071baf6769a9/crypto/rand/rand_lib.c/#L408 |
d2a_code_data_45921 | static int
OJPEGReadHeaderInfoSecTablesQTable(TIFF* tif)
{
static const char module[]="OJPEGReadHeaderInfoSecTablesQTable";
OJPEGState* sp=(OJPEGState*)tif->tif_data;
uint8 m;
uint8 n;
uint32 oa;
uint8* ob;
uint32 p;
if (sp->qtable_offset[0]==0)
{
TIFFErrorExt(tif->tif_clientdata,module,"Missing JPEG tables");
return(0);
}
sp->in_buffer_file_pos_log=0;
for (m=0; m<sp->samples_per_pixel; m++)
{
if ((sp->qtable_offset[m]!=0) && ((m==0) || (sp->qtable_offset[m]!=sp->qtable_offset[m-1])))
{
for (n=0; n<m-1; n++)
{
if (sp->qtable_offset[m]==sp->qtable_offset[n])
{
TIFFErrorExt(tif->tif_clientdata,module,"Corrupt JpegQTables tag value");
return(0);
}
}
oa=sizeof(uint32)+69;
ob=_TIFFmalloc(oa);
if (ob==0)
{
TIFFErrorExt(tif->tif_clientdata,module,"Out of memory");
return(0);
}
*(uint32*)ob=oa;
ob[sizeof(uint32)]=255;
ob[sizeof(uint32)+1]=JPEG_MARKER_DQT;
ob[sizeof(uint32)+2]=0;
ob[sizeof(uint32)+3]=67;
ob[sizeof(uint32)+4]=m;
TIFFSeekFile(tif,sp->qtable_offset[m],SEEK_SET);
p=TIFFReadFile(tif,&ob[sizeof(uint32)+5],64);
if (p!=64)
return(0);
sp->qtable[m]=ob;
sp->sof_tq[m]=m;
}
else
sp->sof_tq[m]=sp->sof_tq[m-1];
}
return(1);
} | https://gitlab.com/libtiff/libtiff/blob/b69a1998bedfabc32cd541408bffdef05bd01e45/libtiff/tif_ojpeg.c/#L1769 |
d2a_code_data_45922 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/748e85308ef4f3e672975b3604ea2d76424fa404/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_45923 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->staticbuf == NULL && (pkt->buf->length - pkt->written < len)) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
if (allocbytes != NULL)
*allocbytes = WPACKET_get_curr(pkt);
return 1;
} | https://github.com/openssl/openssl/blob/f61c5ca6ca183bf0a51651857e3efb02a98889ad/ssl/packet.c/#L49 |
d2a_code_data_45924 | void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp)
{
int i, j, max;
const BN_ULONG *ap;
BN_ULONG *rp;
max = n * 2;
ap = a;
rp = r;
rp[0] = rp[max - 1] = 0;
rp++;
j = n;
if (--j > 0) {
ap++;
rp[j] = bn_mul_words(rp, ap, j, ap[-1]);
rp += 2;
}
for (i = n - 2; i > 0; i--) {
j--;
ap++;
rp[j] = bn_mul_add_words(rp, ap, j, ap[-1]);
rp += 2;
}
bn_add_words(r, r, r, max);
bn_sqr_words(tmp, a, n);
bn_add_words(r, r, tmp, max);
} | https://github.com/openssl/openssl/blob/4cc968df403ed9321d0df722aba33323ae575ce0/crypto/bn/bn_sqr.c/#L108 |
d2a_code_data_45925 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_45926 | void ff_block_permute(DCTELEM *block, uint8_t *permutation, const uint8_t *scantable, int last)
{
int i;
DCTELEM temp[64];
if(last<=0) return;
for(i=0; i<=last; i++){
const int j= scantable[i];
temp[j]= block[j];
block[j]=0;
}
for(i=0; i<=last; i++){
const int j= scantable[i];
const int perm_j= permutation[j];
block[perm_j]= temp[j];
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dsputil.c/#L3330 |
d2a_code_data_45927 | PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx)
{
STACK_OF(PKCS7_RECIP_INFO) *rsk;
PKCS7_RECIP_INFO *ri;
int i;
i = OBJ_obj2nid(p7->type);
if (i != NID_pkcs7_signedAndEnveloped)
return NULL;
if (p7->d.signed_and_enveloped == NULL)
return NULL;
rsk = p7->d.signed_and_enveloped->recipientinfo;
if (rsk == NULL)
return NULL;
if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx)
return (NULL);
ri = sk_PKCS7_RECIP_INFO_value(rsk, idx);
return (ri->issuer_and_serial);
} | https://github.com/openssl/openssl/blob/57ce7b617c602ae8513c22daa2bda31f179edb0f/crypto/pkcs7/pk7_doit.c/#L1109 |
d2a_code_data_45928 | static int epzs_motion_search4(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int P[10][2],
int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
const int h=8;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
int flags= c->flags;
LOAD_COMMON2
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(c);
dmin = 1000000;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
if(dmin>64*4){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1170 |
d2a_code_data_45929 | static ossl_inline size_t constant_time_lt_s(size_t a, size_t b)
{
return constant_time_msb_s(a ^ ((a ^ b) | ((a - b) ^ b)));
} | https://github.com/openssl/openssl/blob/7f7eb90b8ac55997c5c825bb3ebcfe28611e06f5/include/internal/constant_time_locl.h/#L119 |
d2a_code_data_45930 | static int kek_unwrap_key(unsigned char *out, size_t *outlen,
const unsigned char *in, size_t inlen,
EVP_CIPHER_CTX *ctx)
{
size_t blocklen = EVP_CIPHER_CTX_block_size(ctx);
unsigned char *tmp;
int outl, rv = 0;
if (inlen < 2 * blocklen) {
return 0;
}
if (inlen % blocklen) {
return 0;
}
if ((tmp = OPENSSL_malloc(inlen)) == NULL) {
CMSerr(CMS_F_KEK_UNWRAP_KEY, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!EVP_DecryptUpdate(ctx, tmp + inlen - 2 * blocklen, &outl,
in + inlen - 2 * blocklen, blocklen * 2)
|| !EVP_DecryptUpdate(ctx, tmp, &outl,
tmp + inlen - blocklen, blocklen)
|| !EVP_DecryptUpdate(ctx, tmp, &outl, in, inlen - blocklen)
|| !EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, NULL)
|| !EVP_DecryptUpdate(ctx, tmp, &outl, tmp, inlen))
goto err;
if (((tmp[1] ^ tmp[4]) & (tmp[2] ^ tmp[5]) & (tmp[3] ^ tmp[6])) != 0xff) {
goto err;
}
if (inlen < (size_t)(tmp[0] - 4)) {
goto err;
}
*outlen = (size_t)tmp[0];
memcpy(out, tmp + 4, *outlen);
rv = 1;
err:
OPENSSL_clear_free(tmp, inlen);
return rv;
} | https://github.com/openssl/openssl/blob/bcf082d130a413a728a382bd6e6bfdbf2cedba45/crypto/cms/cms_pwri.c/#L214 |
d2a_code_data_45931 | static void BN_POOL_release(BN_POOL *p, unsigned int num)
{
unsigned int offset = (p->used - 1) % BN_CTX_POOL_SIZE;
p->used -= num;
while(num--)
{
bn_check_top(p->current->vals + offset);
if(!offset)
{
offset = BN_CTX_POOL_SIZE - 1;
p->current = p->current->prev;
}
else
offset--;
}
} | https://github.com/openssl/openssl/blob/4af793036f6ef4f0a1078e5d7155426a98d50e37/crypto/bn/bn_ctx.c/#L440 |
d2a_code_data_45932 | static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
int frame_size)
{
AVCodecContext *enc;
int frame_number;
double ti1, bitrate, avg_bitrate;
if (!vstats_file) {
vstats_file = fopen(vstats_filename, "w");
if (!vstats_file) {
perror("fopen");
ffmpeg_exit(1);
}
}
enc = ost->st->codec;
if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
frame_number = ost->frame_number;
fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
if (enc->flags&CODEC_FLAG_PSNR)
fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
fprintf(vstats_file,"f_size= %6d ", frame_size);
ti1 = ost->sync_opts * av_q2d(enc->time_base);
if (ti1 < 0.01)
ti1 = 0.01;
bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
(double)video_size / 1024, ti1, bitrate, avg_bitrate);
fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
}
} | https://github.com/libav/libav/blob/41e21e4db623ebd77f431a6f30cf21d62d9e1f33/ffmpeg.c/#L1303 |
d2a_code_data_45933 | static void test_ctx_replace(EVP_CIPHER_CTX **pctx)
{
EVP_CIPHER_CTX *ctx_copy;
ctx_copy = EVP_CIPHER_CTX_new();
EVP_CIPHER_CTX_copy(ctx_copy, *pctx);
EVP_CIPHER_CTX_free(*pctx);
*pctx = ctx_copy;
} | https://github.com/openssl/openssl/blob/e67ddd19af4f3e987a3c97de3c9baf436fd40ad1/crypto/evp/evp_test.c/#L142 |
d2a_code_data_45934 | static void dequant_lsps(double *lsps, int num,
const uint16_t *values,
const uint16_t *sizes,
int n_stages, const uint8_t *table,
const double *mul_q,
const double *base_q)
{
int n, m;
memset(lsps, 0, num * sizeof(*lsps));
for (n = 0; n < n_stages; n++) {
const uint8_t *t_off = &table[values[n] * num];
double base = base_q[n], mul = mul_q[n];
for (m = 0; m < num; m++)
lsps[m] += base + mul * t_off[m];
table += sizes[n] * num;
}
} | https://github.com/libav/libav/blob/c6507946d428ee082676d5917fbb3eb0d1d7eb2e/libavcodec/wmavoice.c/#L838 |
d2a_code_data_45935 | static BN_ULONG *bn_expand_internal(const BIGNUM *b, int words)
{
BN_ULONG *a = NULL;
if (words > (INT_MAX / (4 * BN_BITS2))) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (BN_get_flags(b, BN_FLG_STATIC_DATA)) {
BNerr(BN_F_BN_EXPAND_INTERNAL, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
if (BN_get_flags(b, BN_FLG_SECURE))
a = OPENSSL_secure_zalloc(words * sizeof(*a));
else
a = OPENSSL_zalloc(words * sizeof(*a));
if (a == NULL) {
BNerr(BN_F_BN_EXPAND_INTERNAL, ERR_R_MALLOC_FAILURE);
return NULL;
}
assert(b->top <= words);
if (b->top > 0)
memcpy(a, b->d, sizeof(*a) * b->top);
return a;
} | https://github.com/openssl/openssl/blob/3051bf2afab7ac8b7b9c64e68755d1addd2fb8ff/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_45936 | int WPACKET_reserve_bytes(WPACKET *pkt, size_t len, unsigned char **allocbytes)
{
assert(pkt->subs != NULL && len != 0);
if (pkt->subs == NULL || len == 0)
return 0;
if (pkt->maxsize - pkt->written < len)
return 0;
if (pkt->buf->length - pkt->written < len) {
size_t newlen;
size_t reflen;
reflen = (len > pkt->buf->length) ? len : pkt->buf->length;
if (reflen > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = reflen * 2;
if (newlen < DEFAULT_BUF_SIZE)
newlen = DEFAULT_BUF_SIZE;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
return 1;
} | https://github.com/openssl/openssl/blob/e4e1aa903e624044d3319622fc50222f1b2c7328/ssl/packet.c/#L46 |
d2a_code_data_45937 | AVFilterBufferRef *avfilter_get_video_buffer(AVFilterLink *link, int perms, int w, int h)
{
AVFilterBufferRef *ret = NULL;
av_unused char buf[16];
FF_DPRINTF_START(NULL, get_video_buffer); ff_dprintf_link(NULL, link, 0);
dprintf(NULL, " perms:%s w:%d h:%d\n", ff_get_ref_perms_string(buf, sizeof(buf), perms), w, h);
if (link->dstpad->get_video_buffer)
ret = link->dstpad->get_video_buffer(link, perms, w, h);
if (!ret)
ret = avfilter_default_get_video_buffer(link, perms, w, h);
if (ret)
ret->type = AVMEDIA_TYPE_VIDEO;
FF_DPRINTF_START(NULL, get_video_buffer); ff_dprintf_link(NULL, link, 0); dprintf(NULL, " returning "); ff_dprintf_ref(NULL, ret, 1);
return ret;
} | https://github.com/libav/libav/blob/1d5b1885183f38673ccb64b0f143dde7946b94a6/libavfilter/avfilter.c/#L288 |
d2a_code_data_45938 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_ctx.c/#L268 |
d2a_code_data_45939 | static int epzs_motion_search4(MpegEncContext * s,
int *mx_ptr, int *my_ptr, int P[10][2],
int src_index, int ref_index, int16_t (*last_mv)[2],
int ref_mv_scale)
{
MotionEstContext * const c= &s->me;
int best[2]={0, 0};
int d, dmin;
int map_generation;
const int penalty_factor= c->penalty_factor;
const int size=1;
const int h=8;
const int ref_mv_stride= s->mb_stride;
const int ref_mv_xy= s->mb_x + s->mb_y *ref_mv_stride;
me_cmp_func cmpf, chroma_cmpf;
LOAD_COMMON
int flags= c->flags;
LOAD_COMMON2
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
map_generation= update_map_generation(c);
dmin = 1000000;
if (s->first_slice_line) {
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
}else{
CHECK_MV(P_MV1[0]>>shift, P_MV1[1]>>shift)
CHECK_MV(P_MEDIAN[0]>>shift, P_MEDIAN[1]>>shift)
CHECK_MV(P_LEFT[0]>>shift, P_LEFT[1]>>shift)
CHECK_MV(P_TOP[0]>>shift, P_TOP[1]>>shift)
CHECK_MV(P_TOPRIGHT[0]>>shift, P_TOPRIGHT[1]>>shift)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy][1]*ref_mv_scale + (1<<15))>>16)
}
if(dmin>64*4){
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+1][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+1][1]*ref_mv_scale + (1<<15))>>16)
if(s->mb_y+1<s->end_mb_y)
CHECK_CLIPPED_MV((last_mv[ref_mv_xy+ref_mv_stride][0]*ref_mv_scale + (1<<15))>>16,
(last_mv[ref_mv_xy+ref_mv_stride][1]*ref_mv_scale + (1<<15))>>16)
}
dmin= diamond_search(s, best, dmin, src_index, ref_index, penalty_factor, size, h, flags);
*mx_ptr= best[0];
*my_ptr= best[1];
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L1160 |
d2a_code_data_45940 | int OBJ_NAME_add(const char *name, int type, const char *data)
{
OBJ_NAME *onp, *ret;
int alias;
if ((names_lh == NULL) && !OBJ_NAME_init())
return (0);
alias = type & OBJ_NAME_ALIAS;
type &= ~OBJ_NAME_ALIAS;
onp = OPENSSL_malloc(sizeof(*onp));
if (onp == NULL) {
return 0;
}
onp->name = name;
onp->alias = alias;
onp->type = type;
onp->data = data;
ret = lh_OBJ_NAME_insert(names_lh, onp);
if (ret != NULL) {
if ((name_funcs_stack != NULL)
&& (sk_NAME_FUNCS_num(name_funcs_stack) > ret->type)) {
sk_NAME_FUNCS_value(name_funcs_stack,
ret->type)->free_func(ret->name, ret->type,
ret->data);
}
OPENSSL_free(ret);
} else {
if (lh_OBJ_NAME_error(names_lh)) {
OPENSSL_free(onp);
return 0;
}
}
return 1;
} | https://github.com/openssl/openssl/blob/b2de11c58b57e7f0d58c6f8a1d4177705650647e/crypto/objects/o_names.c/#L211 |
d2a_code_data_45941 | static int decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
AVFrame *frame = data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
EightBpsContext * const c = avctx->priv_data;
const unsigned char *encoded = buf;
unsigned char *pixptr, *pixptr_end;
unsigned int height = avctx->height;
unsigned int dlen, p, row;
const unsigned char *lp, *dp, *ep;
unsigned char count;
unsigned int px_inc;
unsigned int planes = c->planes;
unsigned char *planemap = c->planemap;
int ret;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
ep = encoded + buf_size;
dp = encoded + planes * (height << 1);
if (planes == 4)
planes--;
px_inc = planes + (avctx->pix_fmt == AV_PIX_FMT_RGB32);
for (p = 0; p < planes; p++) {
lp = encoded + p * (height << 1);
for (row = 0; row < height; row++) {
pixptr = frame->data[0] + row * frame->linesize[0] + planemap[p];
pixptr_end = pixptr + frame->linesize[0];
if (ep - lp < row * 2 + 2)
return AVERROR_INVALIDDATA;
dlen = av_be2ne16(*(const unsigned short *)(lp + row * 2));
while (dlen > 0) {
if (ep - dp <= 1)
return AVERROR_INVALIDDATA;
if ((count = *dp++) <= 127) {
count++;
dlen -= count + 1;
if (pixptr_end - pixptr < count * px_inc)
break;
if (ep - dp < count)
return AVERROR_INVALIDDATA;
while (count--) {
*pixptr = *dp++;
pixptr += px_inc;
}
} else {
count = 257 - count;
if (pixptr_end - pixptr < count * px_inc)
break;
while (count--) {
*pixptr = *dp;
pixptr += px_inc;
}
dp++;
dlen -= 2;
}
}
}
}
if (avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt,
AV_PKT_DATA_PALETTE,
NULL);
if (pal) {
frame->palette_has_changed = 1;
memcpy(c->pal, pal, AVPALETTE_SIZE);
}
memcpy (frame->data[1], c->pal, AVPALETTE_SIZE);
}
*got_frame = 1;
return buf_size;
} | https://github.com/libav/libav/blob/582963a8156522582e55466be4a59974a8d909a5/libavcodec/8bps.c/#L107 |
d2a_code_data_45942 | static int tree_add_unmatched(X509_POLICY_LEVEL *curr,
const X509_POLICY_CACHE *cache,
const ASN1_OBJECT *id,
X509_POLICY_NODE *node, X509_POLICY_TREE *tree)
{
X509_POLICY_DATA *data;
if (id == NULL)
id = node->data->valid_policy;
data = policy_data_new(NULL, id, node_critical(node));
if (data == NULL)
return 0;
data->qualifier_set = cache->anyPolicy->qualifier_set;
data->flags |= POLICY_DATA_FLAG_SHARED_QUALIFIERS;
if (!level_add_node(curr, data, node, tree)) {
policy_data_free(data);
return 0;
}
return 1;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509v3/pcy_tree.c/#L360 |
d2a_code_data_45943 | int BN_set_word(BIGNUM *a, BN_ULONG w)
{
bn_check_top(a);
if (bn_expand(a, (int)sizeof(BN_ULONG) * 8) == NULL)
return 0;
a->neg = 0;
a->d[0] = w;
a->top = (w ? 1 : 0);
a->flags &= ~BN_FLG_FIXED_TOP;
bn_check_top(a);
return 1;
} | https://github.com/openssl/openssl/blob/18e1e302452e6dea4500b6f981cee7e151294dea/crypto/bn/bn_lib.c/#L365 |
d2a_code_data_45944 | static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
unsigned char *buf = NULL;
int ret = 0, bit, bytes, mask;
time_t tim;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
time(&tim);
RAND_add(&tim, sizeof(tim), 0.0);
if (RAND_bytes(buf, bytes) <= 0)
goto err;
if (pseudorand == 2) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return (ret);
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | https://github.com/openssl/openssl/blob/3f97052392cb10fca5309212bf720685262ad4a6/crypto/bn/bn_rand.c/#L82 |
d2a_code_data_45945 | void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb)
{
BN_ULONG *rr;
if (na < nb) {
int itmp;
BN_ULONG *ltmp;
itmp = na;
na = nb;
nb = itmp;
ltmp = a;
a = b;
b = ltmp;
}
rr = &(r[na]);
if (nb <= 0) {
(void)bn_mul_words(r, a, na, 0);
return;
} else
rr[0] = bn_mul_words(r, a, na, b[0]);
for (;;) {
if (--nb <= 0)
return;
rr[1] = bn_mul_add_words(&(r[1]), a, na, b[1]);
if (--nb <= 0)
return;
rr[2] = bn_mul_add_words(&(r[2]), a, na, b[2]);
if (--nb <= 0)
return;
rr[3] = bn_mul_add_words(&(r[3]), a, na, b[3]);
if (--nb <= 0)
return;
rr[4] = bn_mul_add_words(&(r[4]), a, na, b[4]);
rr += 4;
r += 4;
b += 4;
}
} | https://github.com/openssl/openssl/blob/b3618f44a7b8504bfb0a64e8a33e6b8e56d4d516/crypto/bn/bn_mul.c/#L1018 |
d2a_code_data_45946 | static int bnrand(BNRAND_FLAG flag, BIGNUM *rnd, int bits, int top, int bottom,
BN_CTX *ctx)
{
unsigned char *buf = NULL;
int b, ret = 0, bit, bytes, mask;
OPENSSL_CTX *libctx = bn_get_lib_ctx(ctx);
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
goto toosmall;
BN_zero(rnd);
return 1;
}
if (bits < 0 || (bits == 1 && top > 0))
goto toosmall;
bytes = (bits + 7) / 8;
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
}
b = flag == NORMAL ? rand_bytes_ex(libctx, buf, bytes)
: rand_priv_bytes_ex(libctx, buf, bytes);
if (b <= 0)
goto err;
if (flag == TESTING) {
int i;
unsigned char c;
for (i = 0; i < bytes; i++) {
if (rand_bytes_ex(libctx, &c, 1) <= 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
else if (c < 42)
buf[i] = 0;
else if (c < 84)
buf[i] = 255;
}
}
if (top >= 0) {
if (top) {
if (bit == 0) {
buf[0] = 1;
buf[1] |= 0x80;
} else {
buf[0] |= (3 << (bit - 1));
}
} else {
buf[0] |= (1 << bit);
}
}
buf[0] &= ~mask;
if (bottom)
buf[bytes - 1] |= 1;
if (!BN_bin2bn(buf, bytes, rnd))
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
bn_check_top(rnd);
return ret;
toosmall:
BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
return 0;
} | https://github.com/openssl/openssl/blob/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_rand.c/#L88 |
d2a_code_data_45947 | int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, size_t len,
size_t *written)
{
int i;
SSL3_BUFFER *wb = s->rlayer.wbuf;
size_t currbuf = 0;
size_t tmpwrit = 0;
if ((s->rlayer.wpend_tot > len)
|| ((s->rlayer.wpend_buf != buf) &&
!(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER))
|| (s->rlayer.wpend_type != type)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_WRITE_PENDING,
SSL_R_BAD_WRITE_RETRY);
return -1;
}
for (;;) {
if (SSL3_BUFFER_get_left(&wb[currbuf]) == 0
&& currbuf < s->rlayer.numwpipes - 1) {
currbuf++;
continue;
}
clear_sys_error();
if (s->wbio != NULL) {
s->rwstate = SSL_WRITING;
i = BIO_write(s->wbio, (char *)
&(SSL3_BUFFER_get_buf(&wb[currbuf])
[SSL3_BUFFER_get_offset(&wb[currbuf])]),
(unsigned int)SSL3_BUFFER_get_left(&wb[currbuf]));
if (i >= 0)
tmpwrit = i;
} else {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_WRITE_PENDING,
SSL_R_BIO_NOT_SET);
i = -1;
}
if (i > 0 && tmpwrit == SSL3_BUFFER_get_left(&wb[currbuf])) {
SSL3_BUFFER_set_left(&wb[currbuf], 0);
SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit);
if (currbuf + 1 < s->rlayer.numwpipes)
continue;
s->rwstate = SSL_NOTHING;
*written = s->rlayer.wpend_ret;
return 1;
} else if (i <= 0) {
if (SSL_IS_DTLS(s)) {
SSL3_BUFFER_set_left(&wb[currbuf], 0);
}
return i;
}
SSL3_BUFFER_add_offset(&wb[currbuf], tmpwrit);
SSL3_BUFFER_sub_left(&wb[currbuf], tmpwrit);
}
} | https://github.com/openssl/openssl/blob/a8ea8018fa187e22fb4989450b550589e20f62c2/ssl/record/rec_layer_s3.c/#L1128 |
d2a_code_data_45948 | static int drbg_status(void)
{
DRBG_CTX *dctx = RAND_DRBG_get_default();
int ret;
CRYPTO_THREAD_write_lock(dctx->lock);
ret = dctx->status == DRBG_STATUS_READY ? 1 : 0;
CRYPTO_THREAD_unlock(dctx->lock);
return ret;
} | https://github.com/openssl/openssl/blob/12fb8c3d2dd00f3d4f1b084385403d26ed64a596/crypto/rand/drbg_rand.c/#L421 |
d2a_code_data_45949 | X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h,
X509_OBJECT *x)
{
int idx, i;
X509_OBJECT *obj;
idx = sk_X509_OBJECT_find(h, x);
if (idx == -1)
return NULL;
if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
return sk_X509_OBJECT_value(h, idx);
for (i = idx; i < sk_X509_OBJECT_num(h); i++) {
obj = sk_X509_OBJECT_value(h, i);
if (x509_object_cmp
((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
return NULL;
if (x->type == X509_LU_X509) {
if (!X509_cmp(obj->data.x509, x->data.x509))
return obj;
} else if (x->type == X509_LU_CRL) {
if (!X509_CRL_match(obj->data.crl, x->data.crl))
return obj;
} else
return obj;
}
return NULL;
} | https://github.com/openssl/openssl/blob/b2de11c58b57e7f0d58c6f8a1d4177705650647e/crypto/x509/x509_lu.c/#L590 |
d2a_code_data_45950 | void avfilter_unref_buffer(AVFilterBufferRef *ref)
{
if (!ref)
return;
if (!(--ref->buf->refcount))
ref->buf->free(ref->buf);
if (ref->extended_data != ref->data)
av_freep(&ref->extended_data);
av_free(ref->video);
av_free(ref->audio);
av_free(ref);
} | https://github.com/libav/libav/blob/b70d89a033dacf53758256f875f1b23ce0ae13f1/libavfilter/buffer.c/#L78 |
d2a_code_data_45951 | int X509_chain_check_suiteb(int *perror_depth, X509 *x, STACK_OF(X509) *chain,
unsigned long flags)
{
int rv, i, sign_nid;
EVP_PKEY *pk = NULL;
unsigned long tflags;
if (!(flags & X509_V_FLAG_SUITEB_128_LOS))
return X509_V_OK;
tflags = flags;
if (x == NULL)
{
x = sk_X509_value(chain, 0);
i = 1;
}
else
i = 0;
if (X509_get_version(x) != 2)
{
rv = X509_V_ERR_SUITE_B_INVALID_VERSION;
i = 0;
goto end;
}
pk = X509_get_pubkey(x);
rv = check_suite_b(pk, -1, &tflags);
if (rv != X509_V_OK)
{
i = 0;
goto end;
}
for(; i < sk_X509_num(chain); i++)
{
sign_nid = X509_get_signature_nid(x);
x = sk_X509_value(chain, i);
if (X509_get_version(x) != 2)
{
rv = X509_V_ERR_SUITE_B_INVALID_VERSION;
goto end;
}
EVP_PKEY_free(pk);
pk = X509_get_pubkey(x);
rv = check_suite_b(pk, sign_nid, &tflags);
if (rv != X509_V_OK)
goto end;
}
rv = check_suite_b(pk, X509_get_signature_nid(x), &tflags);
end:
if (pk)
EVP_PKEY_free(pk);
if (rv != X509_V_OK)
{
if ((rv == X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM
|| rv == X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED) && i)
i--;
if (rv == X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED && flags != tflags)
rv = X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256;
if (perror_depth)
*perror_depth = i;
}
return rv;
} | https://github.com/openssl/openssl/blob/cbb67448277232c8403f96edad4931c4203e7746/crypto/x509/x509_cmp.c/#L420 |
d2a_code_data_45952 | void ff_mpa_synth_filter(MPA_INT *synth_buf_ptr, int *synth_buf_offset,
MPA_INT *window, int *dither_state,
OUT_INT *samples, int incr,
int32_t sb_samples[SBLIMIT])
{
int32_t tmp[32];
register MPA_INT *synth_buf;
register const MPA_INT *w, *w2, *p;
int j, offset, v;
OUT_INT *samples2;
#if FRAC_BITS <= 15
int sum, sum2;
#else
int64_t sum, sum2;
#endif
dct32(tmp, sb_samples);
offset = *synth_buf_offset;
synth_buf = synth_buf_ptr + offset;
for(j=0;j<32;j++) {
v = tmp[j];
#if FRAC_BITS <= 15
v = av_clip_int16(v);
#endif
synth_buf[j] = v;
}
memcpy(synth_buf + 512, synth_buf, 32 * sizeof(MPA_INT));
samples2 = samples + 31 * incr;
w = window;
w2 = window + 31;
sum = *dither_state;
p = synth_buf + 16;
SUM8(sum, +=, w, p);
p = synth_buf + 48;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
samples += incr;
w++;
for(j=1;j<16;j++) {
sum2 = 0;
p = synth_buf + 16 + j;
SUM8P2(sum, +=, sum2, -=, w, w2, p);
p = synth_buf + 48 - j;
SUM8P2(sum, -=, sum2, -=, w + 32, w2 + 32, p);
*samples = round_sample(&sum);
samples += incr;
sum += sum2;
*samples2 = round_sample(&sum);
samples2 -= incr;
w++;
w2--;
}
p = synth_buf + 32;
SUM8(sum, -=, w + 32, p);
*samples = round_sample(&sum);
*dither_state= sum;
offset = (offset - 32) & 511;
*synth_buf_offset = offset;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/mpegaudiodec.c/#L899 |
d2a_code_data_45953 | int test_div_recp(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a, *b, *c, *d, *e;
BN_RECP_CTX *recp;
int i;
recp = BN_RECP_CTX_new();
a = BN_new();
b = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
for (i = 0; i < num0 + num1; i++) {
if (i < num1) {
BN_bntest_rand(a, 400, 0, 0);
BN_copy(b, a);
BN_lshift(a, a, i);
BN_add_word(a, i);
} else
BN_bntest_rand(b, 50 + 3 * (i - num1), 0, 0);
a->neg = rand_neg();
b->neg = rand_neg();
BN_RECP_CTX_set(recp, b, ctx);
BN_div_recp(d, c, a, recp, ctx);
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " / ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, d);
BIO_puts(bp, "\n");
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " % ");
BN_print(bp, b);
BIO_puts(bp, " - ");
}
BN_print(bp, c);
BIO_puts(bp, "\n");
}
BN_mul(e, d, b, ctx);
BN_add(d, e, c);
BN_sub(d, d, a);
if (!BN_is_zero(d)) {
fprintf(stderr, "Reciprocal division test failed!\n");
fprintf(stderr, "a=");
BN_print_fp(stderr, a);
fprintf(stderr, "\nb=");
BN_print_fp(stderr, b);
fprintf(stderr, "\n");
return 0;
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
BN_RECP_CTX_free(recp);
return (1);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L640 |
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