id stringlengths 19 19 | content stringlengths 22 69.3k | max_stars_repo_path stringlengths 91 133 |
|---|---|---|
d2a_code_data_43354 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43355 | 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/#L1059 |
d2a_code_data_43356 | int OPENSSL_SA_set(OPENSSL_SA *sa, size_t posn, void *val)
{
int i, level = 1;
size_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/a40f0f6475711f01d32c4cdc39e54311b7e9c876/crypto/sparse_array.c/#L208 |
d2a_code_data_43357 | IMPLEMENT_new_ctx(cfb8, CFB, 192) | https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L313 |
d2a_code_data_43358 | static int read_quant_table(RangeCoder *c, int16_t *quant_table, int scale){
int v;
int i=0;
uint8_t state[CONTEXT_SIZE];
memset(state, 128, sizeof(state));
for(v=0; i<128 ; v++){
int len= get_symbol(c, state, 0) + 1;
if(len + i > 128) return -1;
while(len--){
quant_table[i] = scale*v;
i++;
}
}
for(i=1; i<128; i++){
quant_table[256-i]= -quant_table[i];
}
quant_table[128]= -quant_table[127];
return 2*v - 1;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ffv1.c/#L858 |
d2a_code_data_43359 | static int test_early_data_replay_int(int idx, int usecb, int confopt)
{
SSL_CTX *cctx = NULL, *sctx = NULL;
SSL *clientssl = NULL, *serverssl = NULL;
int testresult = 0;
SSL_SESSION *sess = NULL;
size_t readbytes, written;
unsigned char buf[20];
allow_ed_cb_called = 0;
if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
TLS1_VERSION, 0, &sctx,
&cctx, cert, privkey)))
return 0;
if (usecb > 0) {
if (confopt == 0) {
SSL_CTX_set_options(sctx, SSL_OP_NO_ANTI_REPLAY);
} else {
SSL_CONF_CTX *confctx = SSL_CONF_CTX_new();
if (!TEST_ptr(confctx))
goto end;
SSL_CONF_CTX_set_flags(confctx, SSL_CONF_FLAG_FILE
| SSL_CONF_FLAG_SERVER);
SSL_CONF_CTX_set_ssl_ctx(confctx, sctx);
if (!TEST_int_eq(SSL_CONF_cmd(confctx, "Options", "-AntiReplay"),
2)) {
SSL_CONF_CTX_free(confctx);
goto end;
}
SSL_CONF_CTX_free(confctx);
}
SSL_CTX_set_allow_early_data_cb(sctx, allow_early_data_cb, &usecb);
}
if (!TEST_true(setupearly_data_test(&cctx, &sctx, &clientssl,
&serverssl, &sess, idx)))
goto end;
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
|| !TEST_true(SSL_session_reused(clientssl)))
goto end;
SSL_shutdown(clientssl);
SSL_shutdown(serverssl);
SSL_free(serverssl);
SSL_free(clientssl);
serverssl = clientssl = NULL;
if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl,
&clientssl, NULL, NULL))
|| !TEST_true(SSL_set_session(clientssl, sess)))
goto end;
if (!TEST_true(SSL_write_early_data(clientssl, MSG1, strlen(MSG1),
&written))
|| !TEST_size_t_eq(written, strlen(MSG1)))
goto end;
if (usecb <= 1) {
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_REJECTED))
goto end;
} else {
if (!TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_SUCCESS)
|| !TEST_mem_eq(MSG1, strlen(MSG1), buf, readbytes)
|| !TEST_int_gt(SSL_connect(clientssl), 0)
|| !TEST_int_eq(SSL_read_early_data(serverssl, buf, sizeof(buf),
&readbytes),
SSL_READ_EARLY_DATA_FINISH)
|| !TEST_int_eq(SSL_get_early_data_status(serverssl),
SSL_EARLY_DATA_ACCEPTED))
goto end;
}
if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE))
|| !TEST_int_eq(SSL_session_reused(clientssl), (usecb > 0) ? 1 : 0)
|| !TEST_int_eq(allow_ed_cb_called, usecb > 0 ? 1 : 0))
goto end;
testresult = 1;
end:
SSL_SESSION_free(sess);
SSL_SESSION_free(clientpsk);
SSL_SESSION_free(serverpsk);
clientpsk = serverpsk = NULL;
SSL_free(serverssl);
SSL_free(clientssl);
SSL_CTX_free(sctx);
SSL_CTX_free(cctx);
return testresult;
} | https://github.com/openssl/openssl/blob/cc8926ec8fcecae89ceab91ef753de93e49568f9/test/sslapitest.c/#L2735 |
d2a_code_data_43360 | static int get_cert_by_subject(X509_LOOKUP *xl, X509_LOOKUP_TYPE type,
X509_NAME *name, X509_OBJECT *ret)
{
BY_DIR *ctx;
union {
X509 st_x509;
X509_CRL crl;
} data;
int ok = 0;
int i, j, k;
unsigned long h;
BUF_MEM *b = NULL;
X509_OBJECT stmp, *tmp;
const char *postfix = "";
if (name == NULL)
return 0;
stmp.type = type;
if (type == X509_LU_X509) {
data.st_x509.cert_info.subject = name;
stmp.data.x509 = &data.st_x509;
postfix = "";
} else if (type == X509_LU_CRL) {
data.crl.crl.issuer = name;
stmp.data.crl = &data.crl;
postfix = "r";
} else {
X509err(X509_F_GET_CERT_BY_SUBJECT, X509_R_WRONG_LOOKUP_TYPE);
goto finish;
}
if ((b = BUF_MEM_new()) == NULL) {
X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_BUF_LIB);
goto finish;
}
ctx = (BY_DIR *)xl->method_data;
h = X509_NAME_hash(name);
for (i = 0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++) {
BY_DIR_ENTRY *ent;
int idx;
BY_DIR_HASH htmp, *hent;
ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
j = strlen(ent->dir) + 1 + 8 + 6 + 1 + 1;
if (!BUF_MEM_grow(b, j)) {
X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
goto finish;
}
if (type == X509_LU_CRL && ent->hashes) {
htmp.hash = h;
CRYPTO_THREAD_read_lock(ctx->lock);
idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
if (idx >= 0) {
hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
k = hent->suffix;
} else {
hent = NULL;
k = 0;
}
CRYPTO_THREAD_unlock(ctx->lock);
} else {
k = 0;
hent = NULL;
}
for (;;) {
char c = '/';
#ifdef OPENSSL_SYS_VMS
c = ent->dir[strlen(ent->dir) - 1];
if (c != ':' && c != '>' && c != ']') {
c = ':';
} else {
c = '\0';
}
#endif
if (c == '\0') {
BIO_snprintf(b->data, b->max,
"%s%08lx.%s%d", ent->dir, h, postfix, k);
} else {
BIO_snprintf(b->data, b->max,
"%s%c%08lx.%s%d", ent->dir, c, h, postfix, k);
}
#ifndef OPENSSL_NO_POSIX_IO
# ifdef _WIN32
# define stat _stat
# endif
{
struct stat st;
if (stat(b->data, &st) < 0)
break;
}
#endif
if (type == X509_LU_X509) {
if ((X509_load_cert_file(xl, b->data, ent->dir_type)) == 0)
break;
} else if (type == X509_LU_CRL) {
if ((X509_load_crl_file(xl, b->data, ent->dir_type)) == 0)
break;
}
k++;
}
CRYPTO_THREAD_write_lock(ctx->lock);
j = sk_X509_OBJECT_find(xl->store_ctx->objs, &stmp);
if (j != -1)
tmp = sk_X509_OBJECT_value(xl->store_ctx->objs, j);
else
tmp = NULL;
CRYPTO_THREAD_unlock(ctx->lock);
if (type == X509_LU_CRL) {
CRYPTO_THREAD_write_lock(ctx->lock);
if (!hent) {
htmp.hash = h;
idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
if (idx >= 0)
hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
}
if (!hent) {
hent = OPENSSL_malloc(sizeof(*hent));
if (hent == NULL) {
CRYPTO_THREAD_unlock(ctx->lock);
X509err(X509_F_GET_CERT_BY_SUBJECT, ERR_R_MALLOC_FAILURE);
ok = 0;
goto finish;
}
hent->hash = h;
hent->suffix = k;
if (!sk_BY_DIR_HASH_push(ent->hashes, hent)) {
CRYPTO_THREAD_unlock(ctx->lock);
OPENSSL_free(hent);
ok = 0;
goto finish;
}
} else if (hent->suffix < k) {
hent->suffix = k;
}
CRYPTO_THREAD_unlock(ctx->lock);
}
if (tmp != NULL) {
ok = 1;
ret->type = tmp->type;
memcpy(&ret->data, &tmp->data, sizeof(ret->data));
ERR_clear_error();
goto finish;
}
}
finish:
BUF_MEM_free(b);
return ok;
} | https://github.com/openssl/openssl/blob/98c03302fb7b855647aa14022f61f5fb272e514a/crypto/x509/by_dir.c/#L388 |
d2a_code_data_43361 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/2f3930bc0edbfdc7718f709b856fa53f0ec57cde/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43362 | static int dv_extract_audio(uint8_t* frame, uint8_t* pcm, uint8_t* pcm2,
const DVprofile *sys)
{
int size, chan, i, j, d, of, smpls, freq, quant, half_ch;
uint16_t lc, rc;
const uint8_t* as_pack;
as_pack = dv_extract_pack(frame, dv_audio_source);
if (!as_pack)
return 0;
smpls = as_pack[1] & 0x3f;
freq = (as_pack[4] >> 3) & 0x07;
quant = as_pack[4] & 0x07;
if (quant > 1)
return -1;
size = (sys->audio_min_samples[freq] + smpls) * 4;
half_ch = sys->difseg_size/2;
for (chan = 0; chan < sys->n_difchan; chan++) {
for (i = 0; i < sys->difseg_size; i++) {
frame += 6 * 80;
if (quant == 1 && i == half_ch) {
if (!pcm2)
break;
else
pcm = pcm2;
}
for (j = 0; j < 9; j++) {
for (d = 8; d < 80; d += 2) {
if (quant == 0) {
of = sys->audio_shuffle[i][j] + (d - 8)/2 * sys->audio_stride;
if (of*2 >= size)
continue;
pcm[of*2] = frame[d+1];
pcm[of*2+1] = frame[d];
if (pcm[of*2+1] == 0x80 && pcm[of*2] == 0x00)
pcm[of*2+1] = 0;
} else {
lc = ((uint16_t)frame[d] << 4) |
((uint16_t)frame[d+2] >> 4);
rc = ((uint16_t)frame[d+1] << 4) |
((uint16_t)frame[d+2] & 0x0f);
lc = (lc == 0x800 ? 0 : dv_audio_12to16(lc));
rc = (rc == 0x800 ? 0 : dv_audio_12to16(rc));
of = sys->audio_shuffle[i%half_ch][j] + (d - 8)/3 * sys->audio_stride;
if (of*2 >= size)
continue;
pcm[of*2] = lc & 0xff;
pcm[of*2+1] = lc >> 8;
of = sys->audio_shuffle[i%half_ch+half_ch][j] +
(d - 8)/3 * sys->audio_stride;
pcm[of*2] = rc & 0xff;
pcm[of*2+1] = rc >> 8;
++d;
}
}
frame += 16 * 80;
}
}
if(!pcm2)
break;
pcm = pcm2;
}
return size;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/dv.c/#L119 |
d2a_code_data_43363 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139 |
d2a_code_data_43364 | int WPACKET_allocate_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;
if (pkt->buf->length > SIZE_MAX / 2) {
newlen = SIZE_MAX;
} else {
newlen = (pkt->buf->length == 0) ? DEFAULT_BUF_SIZE
: pkt->buf->length * 2;
}
if (BUF_MEM_grow(pkt->buf, newlen) == 0)
return 0;
}
*allocbytes = (unsigned char *)pkt->buf->data + pkt->curr;
pkt->written += len;
pkt->curr += len;
return 1;
} | https://github.com/openssl/openssl/blob/c0f9e23c6b8d1076796987d5a84557d410682d85/ssl/packet.c/#L25 |
d2a_code_data_43365 | 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_43366 | DES_LONG des_quad_cksum(const unsigned char *input, des_cblock output[],
long length, int out_count, des_cblock *seed)
{
DES_LONG z0,z1,t0,t1;
int i;
long l;
const unsigned char *cp;
#ifdef _CRAY
short *lp;
#else
DES_LONG *lp;
#endif
if (out_count < 1) out_count=1;
lp = (DES_LONG *) &(output[0])[0];
z0=Q_B0((*seed)[0])|Q_B1((*seed)[1])|Q_B2((*seed)[2])|Q_B3((*seed)[3]);
z1=Q_B0((*seed)[4])|Q_B1((*seed)[5])|Q_B2((*seed)[6])|Q_B3((*seed)[7]);
for (i=0; ((i<4)&&(i<out_count)); i++)
{
cp=input;
l=length;
while (l > 0)
{
if (l > 1)
{
t0= (DES_LONG)(*(cp++));
t0|=(DES_LONG)Q_B1(*(cp++));
l--;
}
else
t0= (DES_LONG)(*(cp++));
l--;
t0+=z0;
t0&=0xffffffffL;
t1=z1;
z0=((((t0*t0)&0xffffffffL)+((t1*t1)&0xffffffffL))
&0xffffffffL)%0x7fffffffL;
z1=((t0*((t1+NOISE)&0xffffffffL))&0xffffffffL)%0x7fffffffL;
}
if (lp != NULL)
{
*lp++ = z0;
*lp++ = z1;
}
}
return(z0);
} | https://github.com/openssl/openssl/blob/1f39d082c64e2fa8367b93bbf50a622f33fb7061/crypto/des/qud_cksm.c/#L124 |
d2a_code_data_43367 | int ssl3_get_cert_verify(SSL *s)
{
EVP_PKEY *pkey=NULL;
unsigned char *p;
int al,ok,ret=0;
long n;
int type=0,i,j;
X509 *peer;
const EVP_MD *md = NULL;
EVP_MD_CTX mctx;
EVP_MD_CTX_init(&mctx);
n=s->method->ssl_get_message(s,
SSL3_ST_SR_CERT_VRFY_A,
SSL3_ST_SR_CERT_VRFY_B,
-1,
516,
&ok);
if (!ok) return((int)n);
if (s->session->peer != NULL)
{
peer=s->session->peer;
pkey=X509_get_pubkey(peer);
type=X509_certificate_type(peer,pkey);
}
else
{
peer=NULL;
pkey=NULL;
}
if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_VERIFY)
{
s->s3->tmp.reuse_message=1;
if ((peer != NULL) && (type & EVP_PKT_SIGN))
{
al=SSL_AD_UNEXPECTED_MESSAGE;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_MISSING_VERIFY_MESSAGE);
goto f_err;
}
ret=1;
goto end;
}
if (peer == NULL)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_NO_CLIENT_CERT_RECEIVED);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
if (!(type & EVP_PKT_SIGN))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);
al=SSL_AD_ILLEGAL_PARAMETER;
goto f_err;
}
if (s->s3->change_cipher_spec)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_CCS_RECEIVED_EARLY);
al=SSL_AD_UNEXPECTED_MESSAGE;
goto f_err;
}
p=(unsigned char *)s->init_msg;
if (n==64 && (pkey->type==NID_id_GostR3410_94 ||
pkey->type == NID_id_GostR3410_2001) )
{
i=64;
}
else
{
if (SSL_USE_SIGALGS(s))
{
int rv = tls12_check_peer_sigalg(&md, s, p, pkey);
if (rv == -1)
{
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
else if (rv == 0)
{
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
#ifdef SSL_DEBUG
fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
#endif
p += 2;
n -= 2;
}
n2s(p,i);
n-=2;
if (i > n)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_LENGTH_MISMATCH);
al=SSL_AD_DECODE_ERROR;
goto f_err;
}
}
j=EVP_PKEY_size(pkey);
if ((i > j) || (n > j) || (n <= 0))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_WRONG_SIGNATURE_SIZE);
al=SSL_AD_DECODE_ERROR;
goto f_err;
}
if (SSL_USE_SIGALGS(s))
{
long hdatalen = 0;
void *hdata;
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
if (hdatalen <= 0)
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_INTERNAL_ERROR);
al=SSL_AD_INTERNAL_ERROR;
goto f_err;
}
#ifdef SSL_DEBUG
fprintf(stderr, "Using TLS 1.2 with client verify alg %s\n",
EVP_MD_name(md));
#endif
if (!EVP_VerifyInit_ex(&mctx, md, NULL)
|| !EVP_VerifyUpdate(&mctx, hdata, hdatalen))
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY, ERR_R_EVP_LIB);
al=SSL_AD_INTERNAL_ERROR;
goto f_err;
}
if (EVP_VerifyFinal(&mctx, p , i, pkey) <= 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_SIGNATURE);
goto f_err;
}
}
else
#ifndef OPENSSL_NO_RSA
if (pkey->type == EVP_PKEY_RSA)
{
i=RSA_verify(NID_md5_sha1, s->s3->tmp.cert_verify_md,
MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH, p, i,
pkey->pkey.rsa);
if (i < 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_DECRYPT);
goto f_err;
}
if (i == 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_RSA_SIGNATURE);
goto f_err;
}
}
else
#endif
#ifndef OPENSSL_NO_DSA
if (pkey->type == EVP_PKEY_DSA)
{
j=DSA_verify(pkey->save_type,
&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,p,i,pkey->pkey.dsa);
if (j <= 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,SSL_R_BAD_DSA_SIGNATURE);
goto f_err;
}
}
else
#endif
#ifndef OPENSSL_NO_ECDSA
if (pkey->type == EVP_PKEY_EC)
{
j=ECDSA_verify(pkey->save_type,
&(s->s3->tmp.cert_verify_md[MD5_DIGEST_LENGTH]),
SHA_DIGEST_LENGTH,p,i,pkey->pkey.ec);
if (j <= 0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,
SSL_R_BAD_ECDSA_SIGNATURE);
goto f_err;
}
}
else
#endif
if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001)
{ unsigned char signature[64];
int idx;
EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new(pkey,NULL);
EVP_PKEY_verify_init(pctx);
if (i!=64) {
fprintf(stderr,"GOST signature length is %d",i);
}
for (idx=0;idx<64;idx++) {
signature[63-idx]=p[idx];
}
j=EVP_PKEY_verify(pctx,signature,64,s->s3->tmp.cert_verify_md,32);
EVP_PKEY_CTX_free(pctx);
if (j<=0)
{
al=SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,
SSL_R_BAD_ECDSA_SIGNATURE);
goto f_err;
}
}
else
{
SSLerr(SSL_F_SSL3_GET_CERT_VERIFY,ERR_R_INTERNAL_ERROR);
al=SSL_AD_UNSUPPORTED_CERTIFICATE;
goto f_err;
}
ret=1;
if (0)
{
f_err:
ssl3_send_alert(s,SSL3_AL_FATAL,al);
}
end:
if (s->s3->handshake_buffer)
{
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
s->s3->flags &= ~TLS1_FLAGS_KEEP_HANDSHAKE;
}
EVP_MD_CTX_cleanup(&mctx);
EVP_PKEY_free(pkey);
return(ret);
} | https://github.com/openssl/openssl/blob/7e965dcc3812ac6ec4d1413c5ea3224be6486c8f/ssl/s3_srvr.c/#L3138 |
d2a_code_data_43368 | 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/8f58ede09572dcc6a7e6c01280dd348240199568/crypto/bn/bn_lib.c/#L232 |
d2a_code_data_43369 | 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->top = b->top;
a->neg = b->neg;
bn_check_top(a);
return a;
} | https://github.com/openssl/openssl/blob/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_lib.c/#L295 |
d2a_code_data_43370 | static void opt_output_file(const char *filename)
{
AVFormatContext *oc;
int use_video, use_audio, use_subtitle;
int input_has_video, input_has_audio, input_has_subtitle;
AVFormatParameters params, *ap = ¶ms;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!file_oformat) {
file_oformat = 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_set(&oc->metadata, metadata[metadata_count-1].key,
metadata[metadata_count-1].value);
}
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)) {
int c;
if (!using_stdin) {
fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
fflush(stderr);
c = getchar();
if (toupper(c) != 'Y') {
fprintf(stderr, "Not overwriting - exiting\n");
av_exit(1);
}
}
else {
fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
av_exit(1);
}
}
}
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
fprintf(stderr, "Could not open '%s'\n", filename);
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);
file_oformat = NULL;
file_iformat = NULL;
} | https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/ffmpeg.c/#L3288 |
d2a_code_data_43371 | static void STORE_ATTR_INFO_attr_free(STORE_ATTR_INFO *attrs,
STORE_ATTR_TYPES code)
{
if (ATTR_IS_SET(attrs,code))
{
switch(code)
{
case STORE_ATTR_FRIENDLYNAME:
case STORE_ATTR_EMAIL:
case STORE_ATTR_FILENAME:
STORE_ATTR_INFO_modify_cstr(attrs, code, NULL, 0);
break;
case STORE_ATTR_KEYID:
case STORE_ATTR_ISSUERKEYID:
case STORE_ATTR_SUBJECTKEYID:
case STORE_ATTR_ISSUERSERIALHASH:
case STORE_ATTR_CERTHASH:
STORE_ATTR_INFO_modify_sha1str(attrs, code, NULL, 0);
break;
case STORE_ATTR_ISSUER:
case STORE_ATTR_SUBJECT:
STORE_ATTR_INFO_modify_dn(attrs, code, NULL);
break;
case STORE_ATTR_SERIAL:
STORE_ATTR_INFO_modify_number(attrs, code, NULL);
break;
default:
break;
}
}
} | https://github.com/openssl/openssl/blob/c2dac35a02e47010b3dc501f07e31287cc3e252e/crypto/store/str_lib.c/#L1169 |
d2a_code_data_43372 | static int ssl_cipher_process_rulestr(const char *rule_str,
CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p,
const SSL_CIPHER **ca_list, CERT *c)
{
uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;
int min_tls;
const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
uint32_t cipher_id = 0;
char ch;
retval = 1;
l = rule_str;
for ( ; ; ) {
ch = *l;
if (ch == '\0')
break;
if (ch == '-') {
rule = CIPHER_DEL;
l++;
} else if (ch == '+') {
rule = CIPHER_ORD;
l++;
} else if (ch == '!') {
rule = CIPHER_KILL;
l++;
} else if (ch == '@') {
rule = CIPHER_SPECIAL;
l++;
} else {
rule = CIPHER_ADD;
}
if (ITEM_SEP(ch)) {
l++;
continue;
}
alg_mkey = 0;
alg_auth = 0;
alg_enc = 0;
alg_mac = 0;
min_tls = 0;
algo_strength = 0;
for (;;) {
ch = *l;
buf = l;
buflen = 0;
#ifndef CHARSET_EBCDIC
while (((ch >= 'A') && (ch <= 'Z')) ||
((ch >= '0') && (ch <= '9')) ||
((ch >= 'a') && (ch <= 'z')) ||
(ch == '-') || (ch == '.') || (ch == '='))
#else
while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '.')
|| (ch == '='))
#endif
{
ch = *(++l);
buflen++;
}
if (buflen == 0) {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);
retval = found = 0;
l++;
break;
}
if (rule == CIPHER_SPECIAL) {
found = 0;
break;
}
if (ch == '+') {
multi = 1;
l++;
} else {
multi = 0;
}
j = found = 0;
cipher_id = 0;
while (ca_list[j]) {
if (strncmp(buf, ca_list[j]->name, buflen) == 0
&& (ca_list[j]->name[buflen] == '\0')) {
found = 1;
break;
} else
j++;
}
if (!found)
break;
if (ca_list[j]->algorithm_mkey) {
if (alg_mkey) {
alg_mkey &= ca_list[j]->algorithm_mkey;
if (!alg_mkey) {
found = 0;
break;
}
} else {
alg_mkey = ca_list[j]->algorithm_mkey;
}
}
if (ca_list[j]->algorithm_auth) {
if (alg_auth) {
alg_auth &= ca_list[j]->algorithm_auth;
if (!alg_auth) {
found = 0;
break;
}
} else {
alg_auth = ca_list[j]->algorithm_auth;
}
}
if (ca_list[j]->algorithm_enc) {
if (alg_enc) {
alg_enc &= ca_list[j]->algorithm_enc;
if (!alg_enc) {
found = 0;
break;
}
} else {
alg_enc = ca_list[j]->algorithm_enc;
}
}
if (ca_list[j]->algorithm_mac) {
if (alg_mac) {
alg_mac &= ca_list[j]->algorithm_mac;
if (!alg_mac) {
found = 0;
break;
}
} else {
alg_mac = ca_list[j]->algorithm_mac;
}
}
if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {
if (algo_strength & SSL_STRONG_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_STRONG_MASK) |
~SSL_STRONG_MASK;
if (!(algo_strength & SSL_STRONG_MASK)) {
found = 0;
break;
}
} else {
algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK;
}
}
if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {
if (algo_strength & SSL_DEFAULT_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |
~SSL_DEFAULT_MASK;
if (!(algo_strength & SSL_DEFAULT_MASK)) {
found = 0;
break;
}
} else {
algo_strength |=
ca_list[j]->algo_strength & SSL_DEFAULT_MASK;
}
}
if (ca_list[j]->valid) {
cipher_id = ca_list[j]->id;
} else {
if (ca_list[j]->min_tls) {
if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {
found = 0;
break;
} else {
min_tls = ca_list[j]->min_tls;
}
}
}
if (!multi)
break;
}
if (rule == CIPHER_SPECIAL) {
ok = 0;
if ((buflen == 8) && strncmp(buf, "STRENGTH", 8) == 0) {
ok = ssl_cipher_strength_sort(head_p, tail_p);
} else if (buflen == 10 && strncmp(buf, "SECLEVEL=", 9) == 0) {
int level = buf[9] - '0';
if (level < 0 || level > 5) {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,
SSL_R_INVALID_COMMAND);
} else {
c->sec_level = level;
ok = 1;
}
} else {
SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR, SSL_R_INVALID_COMMAND);
}
if (ok == 0)
retval = 0;
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
} else if (found) {
ssl_cipher_apply_rule(cipher_id,
alg_mkey, alg_auth, alg_enc, alg_mac,
min_tls, algo_strength, rule, -1, head_p,
tail_p);
} else {
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
}
if (*l == '\0')
break;
}
return retval;
} | https://github.com/openssl/openssl/blob/4845aeba4c49e1bd65259a5014d7e3ab38657d42/ssl/ssl_ciph.c/#L1185 |
d2a_code_data_43373 | 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/6ea3bca427b3e759939a63555821d0c4678dd79c/crypto/bn/bn_sqr.c/#L114 |
d2a_code_data_43374 | int ec_precompute_mont_data(EC_GROUP *group)
{
BN_CTX *ctx = BN_CTX_new();
int ret = 0;
BN_MONT_CTX_free(group->mont_data);
group->mont_data = NULL;
if (ctx == NULL)
goto err;
group->mont_data = BN_MONT_CTX_new();
if (group->mont_data == NULL)
goto err;
if (!BN_MONT_CTX_set(group->mont_data, group->order, ctx)) {
BN_MONT_CTX_free(group->mont_data);
group->mont_data = NULL;
goto err;
}
ret = 1;
err:
BN_CTX_free(ctx);
return ret;
} | https://github.com/openssl/openssl/blob/d9e309a675900030d7308e36f614962a344816f9/crypto/ec/ec_lib.c/#L976 |
d2a_code_data_43375 | 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_43376 | static int sab_diamond_search(MpegEncContext * s, int *best, int dmin,
int src_index, int ref_index, int const penalty_factor,
int size, int h, int flags)
{
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
Minima minima[MAX_SAB_SIZE];
const int minima_count= FFABS(c->dia_size);
int i, j;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(j=i=0; i<ME_MAP_SIZE && j<MAX_SAB_SIZE; i++){
uint32_t key= map[i];
key += (1<<(ME_MAP_MV_BITS-1)) + (1<<(2*ME_MAP_MV_BITS-1));
if((key&((-1)<<(2*ME_MAP_MV_BITS))) != map_generation) continue;
minima[j].height= score_map[i];
minima[j].x= key & ((1<<ME_MAP_MV_BITS)-1); key>>=ME_MAP_MV_BITS;
minima[j].y= key & ((1<<ME_MAP_MV_BITS)-1);
minima[j].x-= (1<<(ME_MAP_MV_BITS-1));
minima[j].y-= (1<<(ME_MAP_MV_BITS-1));
if( minima[j].x > xmax || minima[j].x < xmin
|| minima[j].y > ymax || minima[j].y < ymin)
continue;
minima[j].checked=0;
if(minima[j].x || minima[j].y)
minima[j].height+= (mv_penalty[((minima[j].x)<<shift)-pred_x] + mv_penalty[((minima[j].y)<<shift)-pred_y])*penalty_factor;
j++;
}
qsort(minima, j, sizeof(Minima), minima_cmp);
for(; j<minima_count; j++){
minima[j].height=256*256*256*64;
minima[j].checked=0;
minima[j].x= minima[j].y=0;
}
for(i=0; i<minima_count; i++){
const int x= minima[i].x;
const int y= minima[i].y;
int d;
if(minima[i].checked) continue;
if( x >= xmax || x <= xmin
|| y >= ymax || y <= ymin)
continue;
SAB_CHECK_MV(x-1, y)
SAB_CHECK_MV(x+1, y)
SAB_CHECK_MV(x , y-1)
SAB_CHECK_MV(x , y+1)
minima[i].checked= 1;
}
best[0]= minima[0].x;
best[1]= minima[0].y;
dmin= minima[0].height;
if( best[0] < xmax && best[0] > xmin
&& best[1] < ymax && best[1] > ymin){
int d;
CHECK_MV(best[0]-1, best[1])
CHECK_MV(best[0]+1, best[1])
CHECK_MV(best[0], best[1]-1)
CHECK_MV(best[0], best[1]+1)
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L888 |
d2a_code_data_43377 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | https://github.com/openssl/openssl/blob/6e46c065b9b97212d63ef1f321b08fb7fa6b320d/crypto/lhash/lhash.c/#L191 |
d2a_code_data_43378 | 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/#L1069 |
d2a_code_data_43379 | struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
{
CRYPTO_dynlock *pointer = NULL;
if (i)
i = -i - 1;
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
if (pointer)
pointer->references++;
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
if (pointer)
return pointer->data;
return NULL;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/lock.c/#L343 |
d2a_code_data_43380 | int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
size_t len, size_t *secret_size)
{
static const unsigned char *salt[3] = {
#ifndef CHARSET_EBCDIC
(const unsigned char *)"A",
(const unsigned char *)"BB",
(const unsigned char *)"CCC",
#else
(const unsigned char *)"\x41",
(const unsigned char *)"\x42\x42",
(const unsigned char *)"\x43\x43\x43",
#endif
};
unsigned char buf[EVP_MAX_MD_SIZE];
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
int i, ret = 1;
unsigned int n;
size_t ret_secret_size = 0;
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_SSL3_GENERATE_MASTER_SECRET,
ERR_R_MALLOC_FAILURE);
return 0;
}
for (i = 0; i < 3; i++) {
if (EVP_DigestInit_ex(ctx, s->ctx->sha1, NULL) <= 0
|| EVP_DigestUpdate(ctx, salt[i],
strlen((const char *)salt[i])) <= 0
|| EVP_DigestUpdate(ctx, p, len) <= 0
|| EVP_DigestUpdate(ctx, &(s->s3->client_random[0]),
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestUpdate(ctx, &(s->s3->server_random[0]),
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestFinal_ex(ctx, buf, &n) <= 0
|| EVP_DigestInit_ex(ctx, s->ctx->md5, NULL) <= 0
|| EVP_DigestUpdate(ctx, p, len) <= 0
|| EVP_DigestUpdate(ctx, buf, n) <= 0
|| EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_F_SSL3_GENERATE_MASTER_SECRET, ERR_R_INTERNAL_ERROR);
ret = 0;
break;
}
out += n;
ret_secret_size += n;
}
EVP_MD_CTX_free(ctx);
OPENSSL_cleanse(buf, sizeof(buf));
if (ret)
*secret_size = ret_secret_size;
return ret;
} | https://github.com/openssl/openssl/blob/f39276fdff6ccc1c71bdb30a8050fa1c0bf6e20a/ssl/s3_enc.c/#L520 |
d2a_code_data_43381 | char *X509_NAME_oneline(X509_NAME *a, char *buf, int len)
{
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_VISIBLESTRING || type == V_ASN1_IA5STRING) {
ascii2ebcdic(ebcdic_buf, q, (num > (int)sizeof(ebcdic_buf))
? (int)sizeof(ebcdic_buf) : 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/24c2cd3967ed23acc0bd31a3781c4525e2e42a2c/crypto/x509/x509_obj.c/#L104 |
d2a_code_data_43382 | 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/757264207ad8650a89ea903d48ad89f61d56ea9c/crypto/bn/bn_sqr.c/#L120 |
d2a_code_data_43383 | 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_43384 | 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/#L1057 |
d2a_code_data_43385 | static int tls_decrypt_ticket(SSL *s, const unsigned char *etick,
int eticklen, const unsigned char *sess_id,
int sesslen, SSL_SESSION **psess)
{
SSL_SESSION *sess;
unsigned char *sdec;
const unsigned char *p;
int slen, mlen, renew_ticket = 0;
unsigned char tick_hmac[EVP_MAX_MD_SIZE];
HMAC_CTX *hctx = NULL;
EVP_CIPHER_CTX ctx;
SSL_CTX *tctx = s->initial_ctx;
if (eticklen < 48)
return 2;
hctx = HMAC_CTX_new();
if (hctx == NULL)
return -2;
EVP_CIPHER_CTX_init(&ctx);
if (tctx->tlsext_ticket_key_cb) {
unsigned char *nctick = (unsigned char *)etick;
int rv = tctx->tlsext_ticket_key_cb(s, nctick, nctick + 16,
&ctx, hctx, 0);
if (rv < 0)
return -1;
if (rv == 0)
return 2;
if (rv == 2)
renew_ticket = 1;
} else {
if (memcmp(etick, tctx->tlsext_tick_key_name, 16))
return 2;
if (HMAC_Init_ex(hctx, tctx->tlsext_tick_hmac_key, 16,
EVP_sha256(), NULL) <= 0
|| EVP_DecryptInit_ex(&ctx, EVP_aes_128_cbc(), NULL,
tctx->tlsext_tick_aes_key,
etick + 16) <= 0) {
goto err;
}
}
mlen = HMAC_size(hctx);
if (mlen < 0) {
goto err;
}
eticklen -= mlen;
if (HMAC_Update(hctx, etick, eticklen) <= 0
|| HMAC_Final(hctx, tick_hmac, NULL) <= 0) {
goto err;
}
HMAC_CTX_free(hctx);
if (CRYPTO_memcmp(tick_hmac, etick + eticklen, mlen)) {
EVP_CIPHER_CTX_cleanup(&ctx);
return 2;
}
p = etick + 16 + EVP_CIPHER_CTX_iv_length(&ctx);
eticklen -= 16 + EVP_CIPHER_CTX_iv_length(&ctx);
sdec = OPENSSL_malloc(eticklen);
if (sdec == NULL
|| EVP_DecryptUpdate(&ctx, sdec, &slen, p, eticklen) <= 0) {
EVP_CIPHER_CTX_cleanup(&ctx);
return -1;
}
if (EVP_DecryptFinal(&ctx, sdec + slen, &mlen) <= 0) {
EVP_CIPHER_CTX_cleanup(&ctx);
OPENSSL_free(sdec);
return 2;
}
slen += mlen;
EVP_CIPHER_CTX_cleanup(&ctx);
p = sdec;
sess = d2i_SSL_SESSION(NULL, &p, slen);
OPENSSL_free(sdec);
if (sess) {
if (sesslen)
memcpy(sess->session_id, sess_id, sesslen);
sess->session_id_length = sesslen;
*psess = sess;
if (renew_ticket)
return 4;
else
return 3;
}
ERR_clear_error();
return 2;
err:
EVP_CIPHER_CTX_cleanup(&ctx);
HMAC_CTX_free(hctx);
return -1;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/ssl/t1_lib.c/#L3086 |
d2a_code_data_43386 | static void opt_output_file(void *optctx, const char *filename)
{
OptionsContext *o = optctx;
AVFormatContext *oc;
int i, err;
AVOutputFormat *file_oformat;
OutputStream *ost;
InputStream *ist;
if (!strcmp(filename, "-"))
filename = "pipe:";
oc = avformat_alloc_context();
if (!oc) {
print_error(filename, AVERROR(ENOMEM));
exit_program(1);
}
if (o->format) {
file_oformat = av_guess_format(o->format, NULL, NULL);
if (!file_oformat) {
av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
exit_program(1);
}
} else {
file_oformat = av_guess_format(NULL, filename, NULL);
if (!file_oformat) {
av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
filename);
exit_program(1);
}
}
oc->oformat = file_oformat;
oc->interrupt_callback = int_cb;
av_strlcpy(oc->filename, filename, sizeof(oc->filename));
if (!strcmp(file_oformat->name, "ffm") &&
av_strstart(filename, "http:", NULL)) {
int err = read_avserver_streams(o, oc, filename);
if (err < 0) {
print_error(filename, err);
exit_program(1);
}
} else if (!o->nb_stream_maps) {
#define NEW_STREAM(type, index)\
if (index >= 0) {\
ost = new_ ## type ## _stream(o, oc);\
ost->source_index = index;\
ost->sync_ist = &input_streams[index];\
input_streams[index].discard = 0;\
}
if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
int area = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
ist->st->codec->width * ist->st->codec->height > area) {
area = ist->st->codec->width * ist->st->codec->height;
idx = i;
}
}
NEW_STREAM(video, idx);
}
if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
int channels = 0, idx = -1;
for (i = 0; i < nb_input_streams; i++) {
ist = &input_streams[i];
if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
ist->st->codec->channels > channels) {
channels = ist->st->codec->channels;
idx = i;
}
}
NEW_STREAM(audio, idx);
}
if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
for (i = 0; i < nb_input_streams; i++)
if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
NEW_STREAM(subtitle, i);
break;
}
}
} else {
for (i = 0; i < o->nb_stream_maps; i++) {
StreamMap *map = &o->stream_maps[i];
if (map->disabled)
continue;
ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
switch (ist->st->codec->codec_type) {
case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
default:
av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
map->file_index, map->stream_index);
exit_program(1);
}
ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
map->sync_stream_index];
ist->discard = 0;
}
}
for (i = 0; i < o->nb_attachments; i++) {
AVIOContext *pb;
uint8_t *attachment;
const char *p;
int64_t len;
if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
o->attachments[i]);
exit_program(1);
}
if ((len = avio_size(pb)) <= 0) {
av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
o->attachments[i]);
exit_program(1);
}
if (!(attachment = av_malloc(len))) {
av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
o->attachments[i]);
exit_program(1);
}
avio_read(pb, attachment, len);
ost = new_attachment_stream(o, oc);
ost->stream_copy = 0;
ost->source_index = -1;
ost->attachment_filename = o->attachments[i];
ost->st->codec->extradata = attachment;
ost->st->codec->extradata_size = len;
p = strrchr(o->attachments[i], '/');
av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
avio_close(pb);
}
output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
output_files[nb_output_files - 1].ctx = oc;
output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
output_files[nb_output_files - 1].recording_time = o->recording_time;
output_files[nb_output_files - 1].start_time = o->start_time;
output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
if (!av_filename_number_test(oc->filename)) {
print_error(oc->filename, AVERROR(EINVAL));
exit_program(1);
}
}
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
assert_file_overwrite(filename);
if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
&oc->interrupt_callback,
&output_files[nb_output_files - 1].opts)) < 0) {
print_error(filename, err);
exit_program(1);
}
}
if (o->mux_preload) {
uint8_t buf[64];
snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
}
oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
oc->flags |= AVFMT_FLAG_NONBLOCK;
if (o->chapters_input_file >= nb_input_files) {
if (o->chapters_input_file == INT_MAX) {
o->chapters_input_file = -1;
for (i = 0; i < nb_input_files; i++)
if (input_files[i].ctx->nb_chapters) {
o->chapters_input_file = i;
break;
}
} else {
av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
o->chapters_input_file);
exit_program(1);
}
}
if (o->chapters_input_file >= 0)
copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
!o->metadata_chapters_manual);
for (i = 0; i < o->nb_meta_data_maps; i++) {
AVFormatContext *files[2];
AVDictionary **meta[2];
int j;
#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
if ((index) < 0 || (index) >= (nb_elems)) {\
av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps\n",\
(desc), (index));\
exit_program(1);\
}
int in_file_index = o->meta_data_maps[i][1].file;
if (in_file_index < 0)
continue;
METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
files[0] = oc;
files[1] = input_files[in_file_index].ctx;
for (j = 0; j < 2; j++) {
MetadataMap *map = &o->meta_data_maps[i][j];
switch (map->type) {
case 'g':
meta[j] = &files[j]->metadata;
break;
case 's':
METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
meta[j] = &files[j]->streams[map->index]->metadata;
break;
case 'c':
METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
meta[j] = &files[j]->chapters[map->index]->metadata;
break;
case 'p':
METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
meta[j] = &files[j]->programs[map->index]->metadata;
break;
}
}
av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
}
if (!o->metadata_global_manual && nb_input_files)
av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
AV_DICT_DONT_OVERWRITE);
if (!o->metadata_streams_manual)
for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
InputStream *ist;
if (output_streams[i].source_index < 0)
continue;
ist = &input_streams[output_streams[i].source_index];
av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
}
for (i = 0; i < o->nb_metadata; i++) {
AVDictionary **m;
char type, *val;
int index = 0;
val = strchr(o->metadata[i].u.str, '=');
if (!val) {
av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
o->metadata[i].u.str);
exit_program(1);
}
*val++ = 0;
parse_meta_type(o->metadata[i].specifier, &type, &index);
switch (type) {
case 'g':
m = &oc->metadata;
break;
case 's':
if (index < 0 || index >= oc->nb_streams) {
av_log(NULL, AV_LOG_FATAL, "Invalid stream index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->streams[index]->metadata;
break;
case 'c':
if (index < 0 || index >= oc->nb_chapters) {
av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
exit_program(1);
}
m = &oc->chapters[index]->metadata;
break;
default:
av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
exit_program(1);
}
av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
}
reset_options(o);
} | https://github.com/libav/libav/blob/e1edfbcb240cace69d92701e6910c2b03555b7d7/avconv.c/#L3580 |
d2a_code_data_43387 | 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_43388 | 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/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_mul.c/#L1018 |
d2a_code_data_43389 | 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_43390 | static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
{
OutputStream *ost;
AVStream *st = avformat_new_stream(oc, NULL);
int idx = oc->nb_streams - 1, ret = 0;
int64_t max_frames = INT64_MAX;
char *bsf = NULL, *next, *codec_tag = NULL;
AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
double qscale = -1;
char *buf = NULL, *arg = NULL, *preset = NULL;
AVIOContext *s = NULL;
if (!st) {
av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
exit_program(1);
}
if (oc->nb_streams - 1 < o->nb_streamid_map)
st->id = o->streamid_map[oc->nb_streams - 1];
output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
nb_output_streams + 1);
ost = &output_streams[nb_output_streams - 1];
ost->file_index = nb_output_files;
ost->index = idx;
ost->st = st;
st->codec->codec_type = type;
choose_encoder(o, oc, ost);
if (ost->enc) {
ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
}
avcodec_get_context_defaults3(st->codec, ost->enc);
st->codec->codec_type = type;
MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
do {
buf = get_line(s);
if (!buf[0] || buf[0] == '#') {
av_free(buf);
continue;
}
if (!(arg = strchr(buf, '='))) {
av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
exit_program(1);
}
*arg++ = 0;
av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
av_free(buf);
} while (!s->eof_reached);
avio_close(s);
}
if (ret) {
av_log(NULL, AV_LOG_FATAL,
"Preset %s specified for stream %d:%d, but could not be opened.\n",
preset, ost->file_index, ost->index);
exit_program(1);
}
MATCH_PER_STREAM_OPT(max_frames, i64, max_frames, oc, st);
ost->max_frames = max_frames;
MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
while (bsf) {
if (next = strchr(bsf, ','))
*next++ = 0;
if (!(bsfc = av_bitstream_filter_init(bsf))) {
av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
exit_program(1);
}
if (bsfc_prev)
bsfc_prev->next = bsfc;
else
ost->bitstream_filters = bsfc;
bsfc_prev = bsfc;
bsf = next;
}
MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
if (codec_tag) {
uint32_t tag = strtol(codec_tag, &next, 0);
if (*next)
tag = AV_RL32(codec_tag);
st->codec->codec_tag = tag;
}
MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
if (qscale >= 0 || same_quant) {
st->codec->flags |= CODEC_FLAG_QSCALE;
st->codec->global_quality = FF_QP2LAMBDA * qscale;
}
if (oc->oformat->flags & AVFMT_GLOBALHEADER)
st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
return ost;
} | https://github.com/libav/libav/blob/8664682d0e6b6071ca7b3f6b9e350305d3fbcf76/avconv.c/#L3038 |
d2a_code_data_43391 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
ffmpeg_exit(1);
}
*mid++= 0;
av_metadata_set2(&metadata, arg, mid, 0);
return 0;
} | https://github.com/libav/libav/blob/f4c79d1e0b2e797012304db57903e4091b0c2d7c/ffmpeg.c/#L2836 |
d2a_code_data_43392 | void avformat_close_input(AVFormatContext **ps)
{
AVFormatContext *s = *ps;
AVIOContext *pb = s->pb;
if ((s->iformat && s->iformat->flags & AVFMT_NOFILE) ||
(s->flags & AVFMT_FLAG_CUSTOM_IO))
pb = NULL;
flush_packet_queue(s);
if (s->iformat)
if (s->iformat->read_close)
s->iformat->read_close(s);
avformat_free_context(s);
*ps = NULL;
avio_close(pb);
} | https://github.com/libav/libav/blob/1720791e36f9cc24c05efea5bb275ab52156ce50/libavformat/utils.c/#L2518 |
d2a_code_data_43393 | tsize_t t2p_write_pdf(T2P* t2p, TIFF* input, TIFF* output){
tsize_t written=0;
ttile_t i2=0;
tsize_t streamlen=0;
uint16 i=0;
t2p_read_tiff_init(t2p, input);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
t2p->pdf_xrefoffsets= (uint32*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,t2p->pdf_xrefcount,sizeof(uint32)) );
if(t2p->pdf_xrefoffsets==NULL){
TIFFError(
TIFF2PDF_MODULE,
"Can't allocate %u bytes of memory for t2p_write_pdf",
(unsigned int) (t2p->pdf_xrefcount * sizeof(uint32)) );
t2p->t2p_error = T2P_ERR_ERROR;
return(written);
}
t2p->pdf_xrefcount=0;
t2p->pdf_catalog=1;
t2p->pdf_info=2;
t2p->pdf_pages=3;
written += t2p_write_pdf_header(t2p, output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_catalog=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_catalog(t2p, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_info=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_info(t2p, input, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_pages=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_pages(t2p, output);
written += t2p_write_pdf_obj_end(output);
for(t2p->pdf_page=0;t2p->pdf_page<t2p->tiff_pagecount;t2p->pdf_page++){
t2p_read_tiff_data(t2p, input);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_page(t2p->pdf_xrefcount, t2p, output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
written += t2p_write_pdf_page_content_stream(t2p, output);
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
if(t2p->tiff_transferfunctioncount != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_transfer(t2p, output);
written += t2p_write_pdf_obj_end(output);
for(i=0; i < t2p->tiff_transferfunctioncount; i++){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_transfer_dict(t2p, output, i);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
written += t2p_write_pdf_transfer_stream(t2p, output, i);
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
}
if( (t2p->pdf_colorspace & T2P_CS_PALETTE) != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_palettecs=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_stream_dict(t2p->pdf_palettesize, 0, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
written += t2p_write_pdf_xobject_palettecs_stream(t2p, output);
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
if( (t2p->pdf_colorspace & T2P_CS_ICCBASED) != 0){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
t2p->pdf_icccs=t2p->pdf_xrefcount;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_icccs_dict(t2p, output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
written += t2p_write_pdf_xobject_icccs_stream(t2p, output);
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
}
if(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount !=0){
for(i2=0;i2<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i2++){
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_stream_dict(
i2+1,
t2p,
output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
t2p_read_tiff_size_tile(t2p, input, i2);
written += t2p_readwrite_pdf_image_tile(t2p, input, output, i2);
t2p_write_advance_directory(t2p, output);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
}
} else {
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_dict_start(output);
written += t2p_write_pdf_xobject_stream_dict(
0,
t2p,
output);
written += t2p_write_pdf_stream_dict_end(output);
written += t2p_write_pdf_stream_start(output);
streamlen=written;
t2p_read_tiff_size(t2p, input);
written += t2p_readwrite_pdf_image(t2p, input, output);
t2p_write_advance_directory(t2p, output);
if(t2p->t2p_error!=T2P_ERR_OK){return(0);}
streamlen=written-streamlen;
written += t2p_write_pdf_stream_end(output);
written += t2p_write_pdf_obj_end(output);
t2p->pdf_xrefoffsets[t2p->pdf_xrefcount++]=written;
written += t2p_write_pdf_obj_start(t2p->pdf_xrefcount, output);
written += t2p_write_pdf_stream_length(streamlen, output);
written += t2p_write_pdf_obj_end(output);
}
}
t2p->pdf_startxref = written;
written += t2p_write_pdf_xreftable(t2p, output);
written += t2p_write_pdf_trailer(t2p, output);
t2p_disable(output);
return(written);
} | https://gitlab.com/libtiff/libtiff/blob/6dac309a9701d15ac52d895d566ddae2ed49db9b/tools/tiff2pdf.c/#L5451 |
d2a_code_data_43394 | ASN1_OBJECT *OBJ_nid2obj(int n)
{
ADDED_OBJ ad, *adp;
ASN1_OBJECT ob;
if ((n >= 0) && (n < NUM_NID)) {
if ((n != NID_undef) && (nid_objs[n].nid == NID_undef)) {
OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
return (NULL);
}
return ((ASN1_OBJECT *)&(nid_objs[n]));
} else if (added == NULL)
return (NULL);
else {
ad.type = ADDED_NID;
ad.obj = &ob;
ob.nid = n;
adp = lh_ADDED_OBJ_retrieve(added, &ad);
if (adp != NULL)
return (adp->obj);
else {
OBJerr(OBJ_F_OBJ_NID2OBJ, OBJ_R_UNKNOWN_NID);
return (NULL);
}
}
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/objects/obj_dat.c/#L299 |
d2a_code_data_43395 | int RAND_status(void)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->status != NULL)
return meth->status();
return 0;
} | https://github.com/openssl/openssl/blob/2cafb1dff3ef13c470c4d2d7b1d8a1f7142d8813/crypto/rand/rand_lib.c/#L830 |
d2a_code_data_43396 | 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_43397 | static int read_sl_header(PESContext *pes, SLConfigDescr *sl,
const uint8_t *buf, int buf_size)
{
GetBitContext gb;
int au_start_flag = 0, au_end_flag = 0, ocr_flag = 0, idle_flag = 0;
int padding_flag = 0, padding_bits = 0, inst_bitrate_flag = 0;
int dts_flag = -1, cts_flag = -1;
int64_t dts = AV_NOPTS_VALUE, cts = AV_NOPTS_VALUE;
init_get_bits(&gb, buf, buf_size * 8);
if (sl->use_au_start)
au_start_flag = get_bits1(&gb);
if (sl->use_au_end)
au_end_flag = get_bits1(&gb);
if (!sl->use_au_start && !sl->use_au_end)
au_start_flag = au_end_flag = 1;
if (sl->ocr_len > 0)
ocr_flag = get_bits1(&gb);
if (sl->use_idle)
idle_flag = get_bits1(&gb);
if (sl->use_padding)
padding_flag = get_bits1(&gb);
if (padding_flag)
padding_bits = get_bits(&gb, 3);
if (!idle_flag && (!padding_flag || padding_bits != 0)) {
if (sl->packet_seq_num_len)
skip_bits_long(&gb, sl->packet_seq_num_len);
if (sl->degr_prior_len)
if (get_bits1(&gb))
skip_bits(&gb, sl->degr_prior_len);
if (ocr_flag)
skip_bits_long(&gb, sl->ocr_len);
if (au_start_flag) {
if (sl->use_rand_acc_pt)
get_bits1(&gb);
if (sl->au_seq_num_len > 0)
skip_bits_long(&gb, sl->au_seq_num_len);
if (sl->use_timestamps) {
dts_flag = get_bits1(&gb);
cts_flag = get_bits1(&gb);
}
}
if (sl->inst_bitrate_len)
inst_bitrate_flag = get_bits1(&gb);
if (dts_flag == 1)
dts = get_bits64(&gb, sl->timestamp_len);
if (cts_flag == 1)
cts = get_bits64(&gb, sl->timestamp_len);
if (sl->au_len > 0)
skip_bits_long(&gb, sl->au_len);
if (inst_bitrate_flag)
skip_bits_long(&gb, sl->inst_bitrate_len);
}
if (dts != AV_NOPTS_VALUE)
pes->dts = dts;
if (cts != AV_NOPTS_VALUE)
pes->pts = cts;
if (sl->timestamp_len && sl->timestamp_res)
avpriv_set_pts_info(pes->st, sl->timestamp_len, 1, sl->timestamp_res);
return (get_bits_count(&gb) + 7) >> 3;
} | https://github.com/libav/libav/blob/77ab341c0c6cdf2bd437bb48d429e797d1e60da2/libavformat/mpegts.c/#L739 |
d2a_code_data_43398 | 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();
if (dhp == NULL)
return NULL;
dhp->g = BN_new();
if (dhp->g != NULL)
BN_set_word(dhp->g, 2);
if (dh_secbits >= 192)
dhp->p = get_rfc3526_prime_8192(NULL);
else
dhp->p = get_rfc3526_prime_3072(NULL);
if (dhp->p == NULL || dhp->g == NULL) {
DH_free(dhp);
return NULL;
}
return dhp;
}
if (dh_secbits >= 112)
return DH_get_2048_224();
return DH_get_1024_160();
} | https://github.com/openssl/openssl/blob/de17db915e26452819692fd837d788d52b8dd48a/ssl/t1_lib.c/#L4282 |
d2a_code_data_43399 | 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_dlog_link(NULL, link, 0);
av_dlog(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_dlog_link(NULL, link, 0); av_dlog(NULL, " returning "); ff_dlog_ref(NULL, ret, 1);
return ret;
} | https://github.com/libav/libav/blob/5dc65a3d0374ffd85e5ff1c89f5917d392897920/libavfilter/avfilter.c/#L303 |
d2a_code_data_43400 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/aa048aef0b9146f90c06333dedfc105d1f9e2c22/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43401 | static inline int parse_nal_units(AVCodecParserContext *s,
AVCodecContext *avctx,
const uint8_t *buf, int buf_size)
{
H264Context *h = s->priv_data;
const uint8_t *buf_end = buf + buf_size;
unsigned int pps_id;
unsigned int slice_type;
int state = -1, got_reset = 0;
const uint8_t *ptr;
int field_poc[2];
s->pict_type = AV_PICTURE_TYPE_I;
s->key_frame = 0;
s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
h->avctx = avctx;
ff_h264_reset_sei(h);
if (!buf_size)
return 0;
for (;;) {
int src_length, dst_length, consumed;
buf = avpriv_find_start_code(buf, buf_end, &state);
if (buf >= buf_end)
break;
--buf;
src_length = buf_end - buf;
switch (state & 0x1f) {
case NAL_SLICE:
case NAL_IDR_SLICE:
if ((state & 0x1f) == NAL_IDR_SLICE || ((state >> 5) & 0x3) == 0) {
if (src_length > 60)
src_length = 60;
} else {
if (src_length > 1000)
src_length = 1000;
}
break;
}
ptr = ff_h264_decode_nal(h, buf, &dst_length, &consumed, src_length);
if (!ptr || dst_length < 0)
break;
init_get_bits(&h->gb, ptr, 8 * dst_length);
switch (h->nal_unit_type) {
case NAL_SPS:
ff_h264_decode_seq_parameter_set(h);
break;
case NAL_PPS:
ff_h264_decode_picture_parameter_set(h, h->gb.size_in_bits);
break;
case NAL_SEI:
ff_h264_decode_sei(h);
break;
case NAL_IDR_SLICE:
s->key_frame = 1;
h->prev_frame_num = 0;
h->prev_frame_num_offset = 0;
h->prev_poc_msb =
h->prev_poc_lsb = 0;
case NAL_SLICE:
get_ue_golomb(&h->gb);
slice_type = get_ue_golomb_31(&h->gb);
s->pict_type = golomb_to_pict_type[slice_type % 5];
if (h->sei_recovery_frame_cnt >= 0) {
s->key_frame = 1;
}
pps_id = get_ue_golomb(&h->gb);
if (pps_id >= MAX_PPS_COUNT) {
av_log(h->avctx, AV_LOG_ERROR,
"pps_id %u out of range\n", pps_id);
return -1;
}
if (!h->pps_buffers[pps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing PPS %u referenced\n", pps_id);
return -1;
}
h->pps = *h->pps_buffers[pps_id];
if (!h->sps_buffers[h->pps.sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n", h->pps.sps_id);
return -1;
}
h->sps = *h->sps_buffers[h->pps.sps_id];
h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num);
avctx->profile = ff_h264_get_profile(&h->sps);
avctx->level = h->sps.level_idc;
if (h->sps.frame_mbs_only_flag) {
h->picture_structure = PICT_FRAME;
} else {
if (get_bits1(&h->gb)) {
h->picture_structure = PICT_TOP_FIELD + get_bits1(&h->gb);
} else {
h->picture_structure = PICT_FRAME;
}
}
if (h->nal_unit_type == NAL_IDR_SLICE)
get_ue_golomb(&h->gb);
if (h->sps.poc_type == 0) {
h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb);
if (h->pps.pic_order_present == 1 &&
h->picture_structure == PICT_FRAME)
h->delta_poc_bottom = get_se_golomb(&h->gb);
}
if (h->sps.poc_type == 1 &&
!h->sps.delta_pic_order_always_zero_flag) {
h->delta_poc[0] = get_se_golomb(&h->gb);
if (h->pps.pic_order_present == 1 &&
h->picture_structure == PICT_FRAME)
h->delta_poc[1] = get_se_golomb(&h->gb);
}
field_poc[0] = field_poc[1] = INT_MAX;
ff_init_poc(h, field_poc, &s->output_picture_number);
if (h->nal_ref_idc && h->nal_unit_type != NAL_IDR_SLICE) {
got_reset = scan_mmco_reset(s);
if (got_reset < 0)
return got_reset;
}
h->prev_frame_num = got_reset ? 0 : h->frame_num;
h->prev_frame_num_offset = got_reset ? 0 : h->frame_num_offset;
if (h->nal_ref_idc != 0) {
if (!got_reset) {
h->prev_poc_msb = h->poc_msb;
h->prev_poc_lsb = h->poc_lsb;
} else {
h->prev_poc_msb = 0;
h->prev_poc_lsb =
h->picture_structure == PICT_BOTTOM_FIELD ? 0 : field_poc[0];
}
}
if (h->sps.pic_struct_present_flag) {
switch (h->sei_pic_struct) {
case SEI_PIC_STRUCT_TOP_FIELD:
case SEI_PIC_STRUCT_BOTTOM_FIELD:
s->repeat_pict = 0;
break;
case SEI_PIC_STRUCT_FRAME:
case SEI_PIC_STRUCT_TOP_BOTTOM:
case SEI_PIC_STRUCT_BOTTOM_TOP:
s->repeat_pict = 1;
break;
case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
s->repeat_pict = 2;
break;
case SEI_PIC_STRUCT_FRAME_DOUBLING:
s->repeat_pict = 3;
break;
case SEI_PIC_STRUCT_FRAME_TRIPLING:
s->repeat_pict = 5;
break;
default:
s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0;
break;
}
} else {
s->repeat_pict = h->picture_structure == PICT_FRAME ? 1 : 0;
}
if (h->picture_structure == PICT_FRAME) {
s->picture_structure = AV_PICTURE_STRUCTURE_FRAME;
if (h->sps.pic_struct_present_flag) {
switch (h->sei_pic_struct) {
case SEI_PIC_STRUCT_TOP_BOTTOM:
case SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
s->field_order = AV_FIELD_TT;
break;
case SEI_PIC_STRUCT_BOTTOM_TOP:
case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
s->field_order = AV_FIELD_BB;
break;
default:
s->field_order = AV_FIELD_PROGRESSIVE;
break;
}
} else {
if (field_poc[0] < field_poc[1])
s->field_order = AV_FIELD_TT;
else if (field_poc[0] > field_poc[1])
s->field_order = AV_FIELD_BB;
else
s->field_order = AV_FIELD_PROGRESSIVE;
}
} else {
if (h->picture_structure == PICT_TOP_FIELD)
s->picture_structure = AV_PICTURE_STRUCTURE_TOP_FIELD;
else
s->picture_structure = AV_PICTURE_STRUCTURE_BOTTOM_FIELD;
s->field_order = AV_FIELD_UNKNOWN;
}
return 0;
}
buf += consumed;
}
av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n");
return -1;
} | https://github.com/libav/libav/blob/b16699f2da9c1d41eff852ec3a0c81f74fd44421/libavcodec/h264_parser.c/#L224 |
d2a_code_data_43402 | static void rtmp_calc_digest(const uint8_t *src, int len, int gap,
const uint8_t *key, int keylen, uint8_t *dst)
{
struct AVSHA *sha;
uint8_t hmac_buf[64+32] = {0};
int i;
sha = av_mallocz(av_sha_size);
if (keylen < 64) {
memcpy(hmac_buf, key, keylen);
} else {
av_sha_init(sha, 256);
av_sha_update(sha,key, keylen);
av_sha_final(sha, hmac_buf);
}
for (i = 0; i < 64; i++)
hmac_buf[i] ^= HMAC_IPAD_VAL;
av_sha_init(sha, 256);
av_sha_update(sha, hmac_buf, 64);
if (gap <= 0) {
av_sha_update(sha, src, len);
} else {
av_sha_update(sha, src, gap);
av_sha_update(sha, src + gap + 32, len - gap - 32);
}
av_sha_final(sha, hmac_buf + 64);
for (i = 0; i < 64; i++)
hmac_buf[i] ^= HMAC_IPAD_VAL ^ HMAC_OPAD_VAL;
av_sha_init(sha, 256);
av_sha_update(sha, hmac_buf, 64+32);
av_sha_final(sha, dst);
av_free(sha);
} | https://github.com/libav/libav/blob/be64629a135642f20325e1422352707bb81d5c91/libavformat/rtmpproto.c/#L391 |
d2a_code_data_43403 | 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/41e21e4db623ebd77f431a6f30cf21d62d9e1f33/ffmpeg.c/#L3085 |
d2a_code_data_43404 | 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_43405 | 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_43406 | 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_43407 | static void unpack_input(const unsigned char *input, unsigned int *output)
{
unsigned int outbuffer[28];
unsigned short inbuffer[10];
unsigned int x;
unsigned int *ptr;
for (x=0;x<20;x+=2)
inbuffer[x/2]=(input[x]<<8)+input[x+1];
ptr=outbuffer;
*(ptr++)=27;
*(ptr++)=(inbuffer[0]>>10)&0x3f;
*(ptr++)=(inbuffer[0]>>5)&0x1f;
*(ptr++)=inbuffer[0]&0x1f;
*(ptr++)=(inbuffer[1]>>12)&0xf;
*(ptr++)=(inbuffer[1]>>8)&0xf;
*(ptr++)=(inbuffer[1]>>5)&7;
*(ptr++)=(inbuffer[1]>>2)&7;
*(ptr++)=((inbuffer[1]<<1)&6)|((inbuffer[2]>>15)&1);
*(ptr++)=(inbuffer[2]>>12)&7;
*(ptr++)=(inbuffer[2]>>10)&3;
*(ptr++)=(inbuffer[2]>>5)&0x1f;
*(ptr++)=((inbuffer[2]<<2)&0x7c)|((inbuffer[3]>>14)&3);
*(ptr++)=(inbuffer[3]>>6)&0xff;
*(ptr++)=((inbuffer[3]<<1)&0x7e)|((inbuffer[4]>>15)&1);
*(ptr++)=(inbuffer[4]>>8)&0x7f;
*(ptr++)=(inbuffer[4]>>1)&0x7f;
*(ptr++)=((inbuffer[4]<<7)&0x80)|((inbuffer[5]>>9)&0x7f);
*(ptr++)=(inbuffer[5]>>2)&0x7f;
*(ptr++)=((inbuffer[5]<<5)&0x60)|((inbuffer[6]>>11)&0x1f);
*(ptr++)=(inbuffer[6]>>4)&0x7f;
*(ptr++)=((inbuffer[6]<<4)&0xf0)|((inbuffer[7]>>12)&0xf);
*(ptr++)=(inbuffer[7]>>5)&0x7f;
*(ptr++)=((inbuffer[7]<<2)&0x7c)|((inbuffer[8]>>14)&3);
*(ptr++)=(inbuffer[8]>>7)&0x7f;
*(ptr++)=((inbuffer[8]<<1)&0xfe)|((inbuffer[9]>>15)&1);
*(ptr++)=(inbuffer[9]>>8)&0x7f;
*(ptr++)=(inbuffer[9]>>1)&0x7f;
*(output++)=outbuffer[11];
for (x=1;x<11;*(output++)=outbuffer[x++]);
ptr=outbuffer+12;
for (x=0;x<16;x+=4)
{
*(output++)=ptr[x];
*(output++)=ptr[x+2];
*(output++)=ptr[x+3];
*(output++)=ptr[x+1];
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/ra144.c/#L276 |
d2a_code_data_43408 | static int opt_metadata(const char *opt, const char *arg)
{
char *mid= strchr(arg, '=');
if(!mid){
fprintf(stderr, "Missing =\n");
av_exit(1);
}
*mid++= 0;
metadata_count++;
metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
metadata[metadata_count-1].key = av_strdup(arg);
metadata[metadata_count-1].value= av_strdup(mid);
return 0;
} | https://github.com/libav/libav/blob/184bc53db4fded8857af09cee2adc7197940deb7/ffmpeg.c/#L2559 |
d2a_code_data_43409 | void *lh_delete(LHASH *lh, const void *data)
{
unsigned long hash;
LHASH_NODE *nn,**rn;
const 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;
OPENSSL_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((void *)ret);
} | https://github.com/openssl/openssl/blob/9e09eebf94c933686077a1b1b2d60248acb9ba67/crypto/lhash/lhash.c/#L240 |
d2a_code_data_43410 | DECLAREContigPutFunc(putRGBcontig8bittile)
{
int samplesperpixel = img->samplesperpixel;
(void) x; (void) y;
fromskew *= samplesperpixel;
while (h-- > 0) {
UNROLL8(w, NOP,
*cp++ = PACK(pp[0], pp[1], pp[2]);
pp += samplesperpixel);
cp += toskew;
pp += fromskew;
}
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_getimage.c/#L1242 |
d2a_code_data_43411 | static int ipvideo_decode_block_opcode_0xA(IpvideoContext *s)
{
int x, y;
unsigned char P[16];
unsigned char B[16];
int flags = 0;
int shifter = 0;
int index;
int split;
int lower_half;
CHECK_STREAM_PTR(4);
for (y = 0; y < 4; y++)
P[y] = *s->stream_ptr++;
if (P[0] <= P[1]) {
CHECK_STREAM_PTR(28);
for (y = 0; y < 4; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 16; y += 4) {
for (x = y; x < y + 4; x++)
P[x] = *s->stream_ptr++;
for (x = y; x < y + 4; x++)
B[x] = *s->stream_ptr++;
}
for (y = 0; y < 8; y++) {
lower_half = (y >= 4) ? 4 : 0;
flags = (B[y + 8] << 8) | B[y];
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
split = (x >= 4) ? 8 : 0;
index = split + lower_half + ((flags >> shifter) & 0x03);
*s->pixel_ptr++ = P[index];
}
s->pixel_ptr += s->line_inc;
}
} else {
CHECK_STREAM_PTR(20);
for (y = 0; y < 8; y++)
B[y] = *s->stream_ptr++;
for (y = 4; y < 8; y++)
P[y] = *s->stream_ptr++;
for (y = 8; y < 16; y++)
B[y] = *s->stream_ptr++;
if (P[4] <= P[5]) {
for (y = 0; y < 8; y++) {
flags = (B[y + 8] << 8) | B[y];
split = 0;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2) {
if (x == 4)
split = 4;
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
}
s->pixel_ptr += s->line_inc;
}
} else {
split = 0;
for (y = 0; y < 8; y++) {
flags = (B[y * 2 + 1] << 8) | B[y * 2];
if (y == 4)
split = 4;
for (x = 0, shifter = 0; x < 8; x++, shifter += 2)
*s->pixel_ptr++ = P[split + ((flags >> shifter) & 0x03)];
s->pixel_ptr += s->line_inc;
}
}
}
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/interplayvideo.c/#L592 |
d2a_code_data_43412 | static void contract(LHASH *lh)
{
LHASH_NODE **n,*n1,*np;
np=lh->b[lh->p+lh->pmax-1];
lh->b[lh->p+lh->pmax-1]=NULL;
if (lh->p == 0)
{
n=(LHASH_NODE **)OPENSSL_realloc(lh->b,
(unsigned int)(sizeof(LHASH_NODE *)*lh->pmax));
if (n == NULL)
{
lh->error++;
return;
}
lh->num_contract_reallocs++;
lh->num_alloc_nodes/=2;
lh->pmax/=2;
lh->p=lh->pmax-1;
lh->b=n;
}
else
lh->p--;
lh->num_nodes--;
lh->num_contracts++;
n1=lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p]=np;
else
{
while (n1->next != NULL)
n1=n1->next;
n1->next=np;
}
} | https://github.com/openssl/openssl/blob/a761b89d2feac31acb9acf01b4a5c6694c9064db/crypto/lhash/lhash.c/#L365 |
d2a_code_data_43413 | 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/bd01733fdd9a5a0acdc72cf5c6601d37e8ddd801/crypto/bn/bn_lib.c/#L367 |
d2a_code_data_43414 | static int var_diamond_search(MpegEncContext * s, int *best, int dmin,
int src_index, int ref_index, int const penalty_factor,
int size, int h, int flags)
{
MotionEstContext * const c= &s->me;
me_cmp_func cmpf, chroma_cmpf;
int dia_size;
LOAD_COMMON
LOAD_COMMON2
int map_generation= c->map_generation;
cmpf= s->dsp.me_cmp[size];
chroma_cmpf= s->dsp.me_cmp[size+1];
for(dia_size=1; dia_size<=c->dia_size; dia_size++){
int dir, start, end;
const int x= best[0];
const int y= best[1];
start= FFMAX(0, y + dia_size - ymax);
end = FFMIN(dia_size, xmax - x + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dir , y + dia_size - dir);
}
start= FFMAX(0, x + dia_size - xmax);
end = FFMIN(dia_size, y - ymin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x + dia_size - dir, y - dir );
}
start= FFMAX(0, -y + dia_size + ymin );
end = FFMIN(dia_size, x - xmin + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dir , y - dia_size + dir);
}
start= FFMAX(0, -x + dia_size + xmin );
end = FFMIN(dia_size, ymax - y + 1);
for(dir= start; dir<end; dir++){
int d;
CHECK_MV(x - dia_size + dir, y + dir );
}
if(x!=best[0] || y!=best[1])
dia_size=0;
#if 0
{
int dx, dy, i;
static int stats[8*8];
dx= FFABS(x-best[0]);
dy= FFABS(y-best[1]);
stats[dy*8 + dx] ++;
if(256*256*256*64 % (stats[0]+1)==0){
for(i=0; i<64; i++){
if((i&7)==0) printf("\n");
printf("%6d ", stats[i]);
}
printf("\n");
}
}
#endif
}
return dmin;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/motion_est_template.c/#L921 |
d2a_code_data_43415 | static inline uint64_t get_val(BitstreamContext *bc, unsigned n)
{
#ifdef BITSTREAM_READER_LE
uint64_t ret = bc->bits & ((UINT64_C(1) << n) - 1);
bc->bits >>= n;
#else
uint64_t ret = bc->bits >> (64 - n);
bc->bits <<= n;
#endif
bc->bits_left -= n;
return ret;
} | https://github.com/libav/libav/blob/562ef82d6a7f96f6b9da1219a5aaf7d9d7056f1b/libavcodec/bitstream.h/#L139 |
d2a_code_data_43416 | 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/630fe1da888490b7dfef3fe0928b813ddff5d51a/crypto/bn/bn_lib.c/#L233 |
d2a_code_data_43417 | 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/54bf88e65fe2d87a41abcbee33392725ebe2f0a0/libavfilter/buffer.c/#L78 |
d2a_code_data_43418 | 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_43419 | 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/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_sqr.c/#L120 |
d2a_code_data_43420 | static int wpacket_intern_close(WPACKET *pkt, WPACKET_SUB *sub, int doclose)
{
size_t packlen = pkt->written - sub->pwritten;
if (packlen == 0
&& (sub->flags & WPACKET_FLAGS_NON_ZERO_LENGTH) != 0)
return 0;
if (packlen == 0
&& sub->flags & WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH) {
if (!doclose)
return 0;
if ((pkt->curr - sub->lenbytes) == sub->packet_len) {
pkt->written -= sub->lenbytes;
pkt->curr -= sub->lenbytes;
}
sub->packet_len = 0;
sub->lenbytes = 0;
}
if (sub->lenbytes > 0
&& !put_value(&GETBUF(pkt)[sub->packet_len], packlen,
sub->lenbytes))
return 0;
if (doclose) {
pkt->subs = sub->parent;
OPENSSL_free(sub);
}
return 1;
} | https://github.com/openssl/openssl/blob/424aa352458486d67e1e9cd3d3990dc06a60ba4a/ssl/packet.c/#L203 |
d2a_code_data_43421 | 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/b48d4397b8ee4256f0b0a115eb99f27ae89995e0/crypto/bn/bn_sqr.c/#L120 |
d2a_code_data_43422 | static void qmf_32_subbands(DCAContext * s, int chans,
float samples_in[32][8], float *samples_out,
float scale, float bias)
{
const float *prCoeff;
int i, j, k;
float praXin[33], *raXin = &praXin[1];
float *subband_fir_hist = s->subband_fir_hist[chans];
float *subband_fir_hist2 = s->subband_fir_noidea[chans];
int chindex = 0, subindex;
praXin[0] = 0.0;
if (!s->multirate_inter)
prCoeff = fir_32bands_nonperfect;
else
prCoeff = fir_32bands_perfect;
for (subindex = 0; subindex < 8; subindex++) {
float t1, t2, sum[16], diff[16];
for (i = 0; i < s->subband_activity[chans]; i++)
raXin[i] = samples_in[i][subindex];
for (; i < 32; i++)
raXin[i] = 0.0;
for (j = 0, k = 0; k < 16; k++) {
t1 = 0.0;
t2 = 0.0;
for (i = 0; i < 16; i++, j++){
t1 += (raXin[2 * i] + raXin[2 * i + 1]) * cos_mod[j];
t2 += (raXin[2 * i] + raXin[2 * i - 1]) * cos_mod[j + 256];
}
sum[k] = t1 + t2;
diff[k] = t1 - t2;
}
j = 512;
for (k = 0; k < 16; k++)
subband_fir_hist[k] = cos_mod[j++] * sum[k];
for (k = 0; k < 16; k++)
subband_fir_hist[32-k-1] = cos_mod[j++] * diff[k];
for (k = 31, i = 0; i < 32; i++, k--)
for (j = 0; j < 512; j += 64){
subband_fir_hist2[i] += prCoeff[i+j] * ( subband_fir_hist[i+j] - subband_fir_hist[j+k]);
subband_fir_hist2[i+32] += prCoeff[i+j+32]*(-subband_fir_hist[i+j] - subband_fir_hist[j+k]);
}
for (i = 0; i < 32; i++)
samples_out[chindex++] = subband_fir_hist2[i] * scale + bias;
memmove(&subband_fir_hist[32], &subband_fir_hist[0], (512 - 32) * sizeof(float));
memmove(&subband_fir_hist2[0], &subband_fir_hist2[32], 32 * sizeof(float));
memset(&subband_fir_hist2[32], 0, 32 * sizeof(float));
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/dca.c/#L708 |
d2a_code_data_43423 | static int read_avserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
{
int i, err;
AVFormatContext *ic = avformat_alloc_context();
ic->interrupt_callback = int_cb;
err = avformat_open_input(&ic, filename, NULL, NULL);
if (err < 0)
return err;
for(i=0;i<ic->nb_streams;i++) {
AVStream *st;
OutputStream *ost;
AVCodec *codec;
codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
ost = new_output_stream(o, s, codec->type);
st = ost->st;
memcpy(st, ic->streams[i], sizeof(AVStream));
st->info = NULL;
avcodec_copy_context(st->codec, ic->streams[i]->codec);
if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
choose_sample_fmt(st, codec);
else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
choose_pixel_fmt(st, codec);
}
av_close_input_file(ic);
return 0;
} | https://github.com/libav/libav/blob/e1edfbcb240cace69d92701e6910c2b03555b7d7/avconv.c/#L3518 |
d2a_code_data_43424 | int BN_GF2m_mod_inv_arr(BIGNUM *r, const BIGNUM *xx, const int p[],
BN_CTX *ctx)
{
BIGNUM *field;
int ret = 0;
bn_check_top(xx);
BN_CTX_start(ctx);
if ((field = BN_CTX_get(ctx)) == NULL)
goto err;
if (!BN_GF2m_arr2poly(p, field))
goto err;
ret = BN_GF2m_mod_inv(r, xx, field, ctx);
bn_check_top(r);
err:
BN_CTX_end(ctx);
return ret;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/bn/bn_gf2m.c/#L818 |
d2a_code_data_43425 | uint32
TIFFNumberOfStrips(TIFF* tif)
{
TIFFDirectory *td = &tif->tif_dir;
uint32 nstrips;
nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 :
TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip));
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
nstrips = multiply_32(tif, nstrips, (uint32)td->td_samplesperpixel,
"TIFFNumberOfStrips");
return (nstrips);
} | https://gitlab.com/libtiff/libtiff/blob/771a4ea0a98c7a218c9f3add9a05e08d29625758/libtiff/tif_strip.c/#L92 |
d2a_code_data_43426 | static int asn1_get_length(const unsigned char **pp, int *inf, long *rl,
int max)
{
const unsigned char *p = *pp;
unsigned long ret = 0;
unsigned int i;
if (max-- < 1)
return (0);
if (*p == 0x80) {
*inf = 1;
ret = 0;
p++;
} else {
*inf = 0;
i = *p & 0x7f;
if (*(p++) & 0x80) {
if (max < (int)i)
return 0;
while (i && *p == 0) {
p++;
i--;
}
if (i > sizeof(long))
return 0;
while (i-- > 0) {
ret <<= 8L;
ret |= *(p++);
}
} else
ret = i;
}
if (ret > LONG_MAX)
return 0;
*pp = p;
*rl = (long)ret;
return (1);
} | https://github.com/openssl/openssl/blob/bb56561adbb6d2728b05e2df08c0575c38a46249/crypto/asn1/asn1_lib.c/#L173 |
d2a_code_data_43427 | int UI_dup_input_boolean(UI *ui, const char *prompt, const char *action_desc,
const char *ok_chars, const char *cancel_chars,
int flags, char *result_buf)
{
char *prompt_copy = NULL;
char *action_desc_copy = NULL;
char *ok_chars_copy = NULL;
char *cancel_chars_copy = NULL;
if (prompt != NULL) {
prompt_copy = OPENSSL_strdup(prompt);
if (prompt_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (action_desc != NULL) {
action_desc_copy = OPENSSL_strdup(action_desc);
if (action_desc_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (ok_chars != NULL) {
ok_chars_copy = OPENSSL_strdup(ok_chars);
if (ok_chars_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
if (cancel_chars != NULL) {
cancel_chars_copy = OPENSSL_strdup(cancel_chars);
if (cancel_chars_copy == NULL) {
UIerr(UI_F_UI_DUP_INPUT_BOOLEAN, ERR_R_MALLOC_FAILURE);
goto err;
}
}
return general_allocate_boolean(ui, prompt_copy, action_desc_copy,
ok_chars_copy, cancel_chars_copy, 1,
UIT_BOOLEAN, flags, result_buf);
err:
OPENSSL_free(prompt_copy);
OPENSSL_free(action_desc_copy);
OPENSSL_free(ok_chars_copy);
OPENSSL_free(cancel_chars_copy);
return -1;
} | https://github.com/openssl/openssl/blob/c3612970465d0a13f2fc5b47bc28ca18516a699d/crypto/ui/ui_lib.c/#L303 |
d2a_code_data_43428 | static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg, void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
func_arg(a->data, arg);
else
func(a->data);
a = n;
}
}
} | https://github.com/openssl/openssl/blob/427e91d928ce7a1c583e4bba761cb17a85ac95b4/crypto/lhash/lhash.c/#L191 |
d2a_code_data_43429 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/27dfffd5b75ee1db114e32f6dc73e266513889c5/crypto/bn/bn_ctx.c/#L355 |
d2a_code_data_43430 | void RAND_seed(const void *buf, int num)
{
const RAND_METHOD *meth = RAND_get_rand_method();
if (meth->seed != NULL)
meth->seed(buf, num);
} | https://github.com/openssl/openssl/blob/12fb8c3d2dd00f3d4f1b084385403d26ed64a596/crypto/rand/rand_lib.c/#L130 |
d2a_code_data_43431 | 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_43432 | static int sdp_read_header(AVFormatContext *s)
{
RTSPState *rt = s->priv_data;
RTSPStream *rtsp_st;
int size, i, err;
char *content;
char url[1024];
if (!ff_network_init())
return AVERROR(EIO);
if (s->max_delay < 0)
s->max_delay = DEFAULT_REORDERING_DELAY;
content = av_malloc(SDP_MAX_SIZE);
size = avio_read(s->pb, content, SDP_MAX_SIZE - 1);
if (size <= 0) {
av_free(content);
return AVERROR_INVALIDDATA;
}
content[size] ='\0';
err = ff_sdp_parse(s, content);
av_free(content);
if (err) goto fail;
for (i = 0; i < rt->nb_rtsp_streams; i++) {
char namebuf[50];
rtsp_st = rt->rtsp_streams[i];
getnameinfo((struct sockaddr*) &rtsp_st->sdp_ip, sizeof(rtsp_st->sdp_ip),
namebuf, sizeof(namebuf), NULL, 0, NI_NUMERICHOST);
ff_url_join(url, sizeof(url), "rtp", NULL,
namebuf, rtsp_st->sdp_port,
"?localport=%d&ttl=%d&connect=%d", rtsp_st->sdp_port,
rtsp_st->sdp_ttl,
rt->rtsp_flags & RTSP_FLAG_FILTER_SRC ? 1 : 0);
if (ffurl_open(&rtsp_st->rtp_handle, url, AVIO_FLAG_READ_WRITE,
&s->interrupt_callback, NULL) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
}
if ((err = ff_rtsp_open_transport_ctx(s, rtsp_st)))
goto fail;
}
return 0;
fail:
ff_rtsp_close_streams(s);
ff_network_close();
return err;
} | https://github.com/libav/libav/blob/f89584ca4458c84467e9fb27567e33891d1c7cd5/libavformat/rtsp.c/#L1959 |
d2a_code_data_43433 | static inline void pred_direct_motion(H264Context * const h, int *mb_type){
MpegEncContext * const s = &h->s;
const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
const int b8_xy = 2*s->mb_x + 2*s->mb_y*h->b8_stride;
const int b4_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride;
const int mb_type_col = h->ref_list[1][0].mb_type[mb_xy];
const int16_t (*l1mv0)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[0][b4_xy];
const int16_t (*l1mv1)[2] = (const int16_t (*)[2]) &h->ref_list[1][0].motion_val[1][b4_xy];
const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
const int is_b8x8 = IS_8X8(*mb_type);
unsigned int sub_mb_type;
int i8, i4;
#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
}else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
}else{
sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1;
}
if(!is_b8x8)
*mb_type |= MB_TYPE_DIRECT2;
if(MB_FIELD)
*mb_type |= MB_TYPE_INTERLACED;
tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
if(h->direct_spatial_mv_pred){
int ref[2];
int mv[2][2];
int list;
for(list=0; list<2; list++){
int refa = h->ref_cache[list][scan8[0] - 1];
int refb = h->ref_cache[list][scan8[0] - 8];
int refc = h->ref_cache[list][scan8[0] - 8 + 4];
if(refc == -2)
refc = h->ref_cache[list][scan8[0] - 8 - 1];
ref[list] = refa;
if(ref[list] < 0 || (refb < ref[list] && refb >= 0))
ref[list] = refb;
if(ref[list] < 0 || (refc < ref[list] && refc >= 0))
ref[list] = refc;
if(ref[list] < 0)
ref[list] = -1;
}
if(ref[0] < 0 && ref[1] < 0){
ref[0] = ref[1] = 0;
mv[0][0] = mv[0][1] =
mv[1][0] = mv[1][1] = 0;
}else{
for(list=0; list<2; list++){
if(ref[list] >= 0)
pred_motion(h, 0, 4, list, ref[list], &mv[list][0], &mv[list][1]);
else
mv[list][0] = mv[list][1] = 0;
}
}
if(ref[1] < 0){
if(!is_b8x8)
*mb_type &= ~MB_TYPE_L1;
sub_mb_type &= ~MB_TYPE_L1;
}else if(ref[0] < 0){
if(!is_b8x8)
*mb_type &= ~MB_TYPE_L0;
sub_mb_type &= ~MB_TYPE_L0;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
int mb_types_col[2];
int b8_stride = h->b8_stride;
int b4_stride = h->b_stride;
*mb_type = (*mb_type & ~MB_TYPE_16x16) | MB_TYPE_8x8;
if(IS_INTERLACED(*mb_type)){
mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
if(s->mb_y&1){
l1ref0 -= 2*b8_stride;
l1ref1 -= 2*b8_stride;
l1mv0 -= 4*b4_stride;
l1mv1 -= 4*b4_stride;
}
b8_stride *= 3;
b4_stride *= 6;
}else{
int cur_poc = s->current_picture_ptr->poc;
int *col_poc = h->ref_list[1]->field_poc;
int col_parity = FFABS(col_poc[0] - cur_poc) >= FFABS(col_poc[1] - cur_poc);
int dy = 2*col_parity - (s->mb_y&1);
mb_types_col[0] =
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy + col_parity*s->mb_stride];
l1ref0 += dy*b8_stride;
l1ref1 += dy*b8_stride;
l1mv0 += 2*dy*b4_stride;
l1mv1 += 2*dy*b4_stride;
b8_stride = 0;
}
for(i8=0; i8<4; i8++){
int x8 = i8&1;
int y8 = i8>>1;
int xy8 = x8+y8*b8_stride;
int xy4 = 3*x8+y8*b4_stride;
int a=0, b=0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_types_col[y8])
&& ( (l1ref0[xy8] == 0 && FFABS(l1mv0[xy4][0]) <= 1 && FFABS(l1mv0[xy4][1]) <= 1)
|| (l1ref0[xy8] < 0 && l1ref1[xy8] == 0 && FFABS(l1mv1[xy4][0]) <= 1 && FFABS(l1mv1[xy4][1]) <= 1))){
if(ref[0] > 0)
a= pack16to32(mv[0][0],mv[0][1]);
if(ref[1] > 0)
b= pack16to32(mv[1][0],mv[1][1]);
}else{
a= pack16to32(mv[0][0],mv[0][1]);
b= pack16to32(mv[1][0],mv[1][1]);
}
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, a, 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, b, 4);
}
}else if(IS_16X16(*mb_type)){
int a=0, b=0;
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_type_col)
&& ( (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
|| (l1ref0[0] < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
&& (h->x264_build>33 || !h->x264_build)))){
if(ref[0] > 0)
a= pack16to32(mv[0][0],mv[0][1]);
if(ref[1] > 0)
b= pack16to32(mv[1][0],mv[1][1]);
}else{
a= pack16to32(mv[0][0],mv[0][1]);
b= pack16to32(mv[1][0],mv[1][1]);
}
fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
}else{
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
if(!IS_INTRA(mb_type_col) && ( l1ref0[x8 + y8*h->b8_stride] == 0
|| (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
&& (h->x264_build>33 || !h->x264_build)))){
const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
if(IS_SUB_8X8(sub_mb_type)){
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
if(ref[0] == 0)
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
if(ref[1] == 0)
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
}
}else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
if(ref[0] == 0)
*(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
if(ref[1] == 0)
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] = 0;
}
}
}
}
}
}else{
const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
const int *dist_scale_factor = h->dist_scale_factor;
if(FRAME_MBAFF){
if(IS_INTERLACED(*mb_type)){
map_col_to_list0[0] = h->map_col_to_list0_field[0];
map_col_to_list0[1] = h->map_col_to_list0_field[1];
dist_scale_factor = h->dist_scale_factor_field;
}
if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
int mb_types_col[2];
int y_shift;
*mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
| (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
| (*mb_type & MB_TYPE_INTERLACED);
sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
if(IS_INTERLACED(*mb_type)){
mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
if(s->mb_y&1){
l1ref0 -= 2*h->b8_stride;
l1ref1 -= 2*h->b8_stride;
l1mv0 -= 4*h->b_stride;
l1mv1 -= 4*h->b_stride;
}
y_shift = 0;
if( (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
&& (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
&& !is_b8x8)
*mb_type |= MB_TYPE_16x8;
else
*mb_type |= MB_TYPE_8x8;
}else{
int dy = (s->mb_y&1) ? 1 : 2;
mb_types_col[0] =
mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
l1ref0 += dy*h->b8_stride;
l1ref1 += dy*h->b8_stride;
l1mv0 += 2*dy*h->b_stride;
l1mv1 += 2*dy*h->b_stride;
y_shift = 2;
if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
&& !is_b8x8)
*mb_type |= MB_TYPE_16x16;
else
*mb_type |= MB_TYPE_8x8;
}
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_types_col[y8])){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0*2>>y_shift];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
{
const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
int my_col = (mv_col[1]<<y_shift)/2;
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * my_col + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
}
}
return;
}
}
if(IS_16X16(*mb_type)){
int ref, mv0, mv1;
fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
if(IS_INTRA(mb_type_col)){
ref=mv0=mv1=0;
}else{
const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
: map_col_to_list0[1][l1ref1[0]];
const int scale = dist_scale_factor[ref0];
const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
int mv_l0[2];
mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
ref= ref0;
mv0= pack16to32(mv_l0[0],mv_l0[1]);
mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
}
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
}else{
for(i8=0; i8<4; i8++){
const int x8 = i8&1;
const int y8 = i8>>1;
int ref0, scale;
const int16_t (*l1mv)[2]= l1mv0;
if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
continue;
h->sub_mb_type[i8] = sub_mb_type;
fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
if(IS_INTRA(mb_type_col)){
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
continue;
}
ref0 = l1ref0[x8 + y8*h->b8_stride];
if(ref0 >= 0)
ref0 = map_col_to_list0[0][ref0];
else{
ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
l1mv= l1mv1;
}
scale = dist_scale_factor[ref0];
fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
if(IS_SUB_8X8(sub_mb_type)){
const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
int mx = (scale * mv_col[0] + 128) >> 8;
int my = (scale * mv_col[1] + 128) >> 8;
fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
}else
for(i4=0; i4<4; i4++){
const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
*(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
}
}
}
}
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h264.c/#L1012 |
d2a_code_data_43434 | static inline int decide_ac_pred(MpegEncContext * s, DCTELEM block[6][64], int dir[6], uint8_t *st[6], int zigzag_last_index[6])
{
int score= 0;
int i, n;
int8_t * const qscale_table= s->current_picture.qscale_table;
memcpy(zigzag_last_index, s->block_last_index, sizeof(int)*6);
for(n=0; n<6; n++){
int16_t *ac_val, *ac_val1;
score -= get_block_rate(s, block[n], s->block_last_index[n], s->intra_scantable.permutated);
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
ac_val1= ac_val;
if(dir[n]){
const int xy= s->mb_x + s->mb_y*s->mb_stride - s->mb_stride;
ac_val-= s->block_wrap[n]*16;
if(s->mb_y==0 || s->qscale == qscale_table[xy] || n==2 || n==3){
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i ]];
block[n][s->dsp.idct_permutation[i ]] = level - ac_val[i+8];
ac_val1[i ]= block[n][s->dsp.idct_permutation[i<<3]];
ac_val1[i+8]= level;
}
}else{
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i ]];
block[n][s->dsp.idct_permutation[i ]] = level - ROUNDED_DIV(ac_val[i + 8]*qscale_table[xy], s->qscale);
ac_val1[i ]= block[n][s->dsp.idct_permutation[i<<3]];
ac_val1[i+8]= level;
}
}
st[n]= s->intra_h_scantable.permutated;
}else{
const int xy= s->mb_x-1 + s->mb_y*s->mb_stride;
ac_val-= 16;
if(s->mb_x==0 || s->qscale == qscale_table[xy] || n==1 || n==3){
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i<<3]];
block[n][s->dsp.idct_permutation[i<<3]]= level - ac_val[i];
ac_val1[i ]= level;
ac_val1[i+8]= block[n][s->dsp.idct_permutation[i ]];
}
}else{
for(i=1; i<8; i++){
const int level= block[n][s->dsp.idct_permutation[i<<3]];
block[n][s->dsp.idct_permutation[i<<3]]= level - ROUNDED_DIV(ac_val[i]*qscale_table[xy], s->qscale);
ac_val1[i ]= level;
ac_val1[i+8]= block[n][s->dsp.idct_permutation[i ]];
}
}
st[n]= s->intra_v_scantable.permutated;
}
for(i=63; i>0; i--)
if(block[n][ st[n][i] ]) break;
s->block_last_index[n]= i;
score += get_block_rate(s, block[n], s->block_last_index[n], st[n]);
}
return score < 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/h263.c/#L419 |
d2a_code_data_43435 | 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_43436 | int test_mod_mul(BIO *bp, BN_CTX *ctx)
{
BIGNUM *a, *b, *c, *d, *e;
int i, j;
a = BN_new();
b = BN_new();
c = BN_new();
d = BN_new();
e = BN_new();
BN_one(a);
BN_one(b);
BN_zero(c);
if (BN_mod_mul(e, a, b, c, ctx)) {
fprintf(stderr, "BN_mod_mul with zero modulus succeeded!\n");
return 0;
}
for (j = 0; j < 3; j++) {
BN_bntest_rand(c, 1024, 0, 0);
for (i = 0; i < num0; i++) {
BN_bntest_rand(a, 475 + i * 10, 0, 0);
BN_bntest_rand(b, 425 + i * 11, 0, 0);
a->neg = rand_neg();
b->neg = rand_neg();
if (!BN_mod_mul(e, a, b, c, ctx)) {
unsigned long l;
while ((l = ERR_get_error()))
fprintf(stderr, "ERROR:%s\n", ERR_error_string(l, NULL));
EXIT(1);
}
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
BIO_puts(bp, " * ");
BN_print(bp, b);
BIO_puts(bp, " % ");
BN_print(bp, c);
if ((a->neg ^ b->neg) && !BN_is_zero(e)) {
BIO_puts(bp, " + ");
BN_print(bp, c);
}
BIO_puts(bp, " - ");
}
BN_print(bp, e);
BIO_puts(bp, "\n");
}
BN_mul(d, a, b, ctx);
BN_sub(d, d, e);
BN_div(a, b, d, c, ctx);
if (!BN_is_zero(b)) {
fprintf(stderr, "Modulo multiply test failed!\n");
ERR_print_errors_fp(stderr);
return 0;
}
}
}
BN_free(a);
BN_free(b);
BN_free(c);
BN_free(d);
BN_free(e);
return (1);
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/test/bntest.c/#L921 |
d2a_code_data_43437 | ssize_t
ngx_parse_size(ngx_str_t *line)
{
u_char unit;
size_t len;
ssize_t size;
ngx_int_t scale;
len = line->len;
unit = line->data[len - 1];
switch (unit) {
case 'K':
case 'k':
len--;
scale = 1024;
break;
case 'M':
case 'm':
len--;
scale = 1024 * 1024;
break;
default:
scale = 1;
}
size = ngx_atosz(line->data, len);
if (size == NGX_ERROR) {
return NGX_ERROR;
}
size *= scale;
return size;
} | https://github.com/nginx/nginx/blob/e4ecddfdb0d2ffc872658e36028971ad9a873726/src/core/ngx_parse.c/#L20 |
d2a_code_data_43438 | int X509_verify_cert(X509_STORE_CTX *ctx)
{
X509 *x,*xtmp,*chain_ss=NULL;
X509_NAME *xn;
int bad_chain = 0;
X509_VERIFY_PARAM *param = ctx->param;
int depth,i,ok=0;
int num;
int (*cb)(int xok,X509_STORE_CTX *xctx);
STACK_OF(X509) *sktmp=NULL;
if (ctx->cert == NULL)
{
X509err(X509_F_X509_VERIFY_CERT,X509_R_NO_CERT_SET_FOR_US_TO_VERIFY);
return -1;
}
cb=ctx->verify_cb;
if (ctx->chain == NULL)
{
if ( ((ctx->chain=sk_X509_new_null()) == NULL) ||
(!sk_X509_push(ctx->chain,ctx->cert)))
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
CRYPTO_add(&ctx->cert->references,1,CRYPTO_LOCK_X509);
ctx->last_untrusted=1;
}
if (ctx->untrusted != NULL
&& (sktmp=sk_X509_dup(ctx->untrusted)) == NULL)
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
num=sk_X509_num(ctx->chain);
x=sk_X509_value(ctx->chain,num-1);
depth=param->depth;
for (;;)
{
if (depth < num) break;
xn=X509_get_issuer_name(x);
if (ctx->check_issued(ctx, x,x)) break;
if (ctx->untrusted != NULL)
{
xtmp=find_issuer(ctx, sktmp,x);
if (xtmp != NULL)
{
if (!sk_X509_push(ctx->chain,xtmp))
{
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
goto end;
}
CRYPTO_add(&xtmp->references,1,CRYPTO_LOCK_X509);
(void)sk_X509_delete_ptr(sktmp,xtmp);
ctx->last_untrusted++;
x=xtmp;
num++;
continue;
}
}
break;
}
i=sk_X509_num(ctx->chain);
x=sk_X509_value(ctx->chain,i-1);
xn = X509_get_subject_name(x);
if (ctx->check_issued(ctx, x, x))
{
if (sk_X509_num(ctx->chain) == 1)
{
ok = ctx->get_issuer(&xtmp, ctx, x);
if ((ok <= 0) || X509_cmp(x, xtmp))
{
ctx->error=X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT;
ctx->current_cert=x;
ctx->error_depth=i-1;
if (ok == 1) X509_free(xtmp);
bad_chain = 1;
ok=cb(0,ctx);
if (!ok) goto end;
}
else
{
X509_free(x);
x = xtmp;
(void)sk_X509_set(ctx->chain, i - 1, x);
ctx->last_untrusted=0;
}
}
else
{
chain_ss=sk_X509_pop(ctx->chain);
ctx->last_untrusted--;
num--;
x=sk_X509_value(ctx->chain,num-1);
}
}
for (;;)
{
if (depth < num) break;
xn=X509_get_issuer_name(x);
if (ctx->check_issued(ctx,x,x)) break;
ok = ctx->get_issuer(&xtmp, ctx, x);
if (ok < 0) return ok;
if (ok == 0) break;
x = xtmp;
if (!sk_X509_push(ctx->chain,x))
{
X509_free(xtmp);
X509err(X509_F_X509_VERIFY_CERT,ERR_R_MALLOC_FAILURE);
return 0;
}
num++;
}
xn=X509_get_issuer_name(x);
if (!ctx->check_issued(ctx,x,x))
{
if ((chain_ss == NULL) || !ctx->check_issued(ctx, x, chain_ss))
{
if (ctx->last_untrusted >= num)
ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY;
else
ctx->error=X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT;
ctx->current_cert=x;
}
else
{
sk_X509_push(ctx->chain,chain_ss);
num++;
ctx->last_untrusted=num;
ctx->current_cert=chain_ss;
ctx->error=X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
chain_ss=NULL;
}
ctx->error_depth=num-1;
bad_chain = 1;
ok=cb(0,ctx);
if (!ok) goto end;
}
ok = check_chain_extensions(ctx);
if (!ok) goto end;
ok = check_name_constraints(ctx);
if (!ok) goto end;
if (param->trust > 0) ok = check_trust(ctx);
if (!ok) goto end;
X509_get_pubkey_parameters(NULL,ctx->chain);
ok = ctx->check_revocation(ctx);
if(!ok) goto end;
if (ctx->verify != NULL)
ok=ctx->verify(ctx);
else
ok=internal_verify(ctx);
if(!ok) goto end;
#ifndef OPENSSL_NO_RFC3779
ok = v3_asid_validate_path(ctx);
if (!ok) goto end;
ok = v3_addr_validate_path(ctx);
if (!ok) goto end;
#endif
if (!bad_chain && (ctx->param->flags & X509_V_FLAG_POLICY_CHECK))
ok = ctx->check_policy(ctx);
if(!ok) goto end;
if (0)
{
end:
X509_get_pubkey_parameters(NULL,ctx->chain);
}
if (sktmp != NULL) sk_X509_free(sktmp);
if (chain_ss != NULL) X509_free(chain_ss);
return ok;
} | https://github.com/openssl/openssl/blob/1b31b5ad560b16e2fe1cad54a755e3e6b5e778a3/crypto/x509/x509_vfy.c/#L245 |
d2a_code_data_43439 | static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
{
ALSSpecificConfig *sconf = &ctx->sconf;
AVCodecContext *avctx = ctx->avctx;
GetBitContext *gb = &ctx->gb;
unsigned int k;
unsigned int s[8];
unsigned int sx[8];
unsigned int sub_blocks, log2_sub_blocks, sb_length;
unsigned int start = 0;
unsigned int opt_order;
int sb;
int32_t *quant_cof = bd->quant_cof;
int32_t *current_res;
*bd->const_block = 0;
*bd->opt_order = 1;
bd->js_blocks = get_bits1(gb);
opt_order = *bd->opt_order;
if (!sconf->bgmc && !sconf->sb_part) {
log2_sub_blocks = 0;
} else {
if (sconf->bgmc && sconf->sb_part)
log2_sub_blocks = get_bits(gb, 2);
else
log2_sub_blocks = 2 * get_bits1(gb);
}
sub_blocks = 1 << log2_sub_blocks;
if (bd->block_length & (sub_blocks - 1)) {
av_log(avctx, AV_LOG_WARNING,
"Block length is not evenly divisible by the number of subblocks.\n");
return -1;
}
sb_length = bd->block_length >> log2_sub_blocks;
if (sconf->bgmc) {
s[0] = get_bits(gb, 8 + (sconf->resolution > 1));
for (k = 1; k < sub_blocks; k++)
s[k] = s[k - 1] + decode_rice(gb, 2);
for (k = 0; k < sub_blocks; k++) {
sx[k] = s[k] & 0x0F;
s [k] >>= 4;
}
} else {
s[0] = get_bits(gb, 4 + (sconf->resolution > 1));
for (k = 1; k < sub_blocks; k++)
s[k] = s[k - 1] + decode_rice(gb, 0);
}
if (get_bits1(gb))
*bd->shift_lsbs = get_bits(gb, 4) + 1;
*bd->store_prev_samples = (bd->js_blocks && bd->raw_other) || *bd->shift_lsbs;
if (!sconf->rlslms) {
if (sconf->adapt_order) {
int opt_order_length = av_ceil_log2(av_clip((bd->block_length >> 3) - 1,
2, sconf->max_order + 1));
*bd->opt_order = get_bits(gb, opt_order_length);
} else {
*bd->opt_order = sconf->max_order;
}
opt_order = *bd->opt_order;
if (opt_order) {
int add_base;
if (sconf->coef_table == 3) {
add_base = 0x7F;
quant_cof[0] = 32 * parcor_scaled_values[get_bits(gb, 7)];
if (opt_order > 1)
quant_cof[1] = -32 * parcor_scaled_values[get_bits(gb, 7)];
for (k = 2; k < opt_order; k++)
quant_cof[k] = get_bits(gb, 7);
} else {
int k_max;
add_base = 1;
k_max = FFMIN(opt_order, 20);
for (k = 0; k < k_max; k++) {
int rice_param = parcor_rice_table[sconf->coef_table][k][1];
int offset = parcor_rice_table[sconf->coef_table][k][0];
quant_cof[k] = decode_rice(gb, rice_param) + offset;
}
k_max = FFMIN(opt_order, 127);
for (; k < k_max; k++)
quant_cof[k] = decode_rice(gb, 2) + (k & 1);
for (; k < opt_order; k++)
quant_cof[k] = decode_rice(gb, 1);
quant_cof[0] = 32 * parcor_scaled_values[quant_cof[0] + 64];
if (opt_order > 1)
quant_cof[1] = -32 * parcor_scaled_values[quant_cof[1] + 64];
}
for (k = 2; k < opt_order; k++)
quant_cof[k] = (quant_cof[k] << 14) + (add_base << 13);
}
}
if (sconf->long_term_prediction) {
*bd->use_ltp = get_bits1(gb);
if (*bd->use_ltp) {
int r, c;
bd->ltp_gain[0] = decode_rice(gb, 1) << 3;
bd->ltp_gain[1] = decode_rice(gb, 2) << 3;
r = get_unary(gb, 0, 4);
c = get_bits(gb, 2);
bd->ltp_gain[2] = ltp_gain_values[r][c];
bd->ltp_gain[3] = decode_rice(gb, 2) << 3;
bd->ltp_gain[4] = decode_rice(gb, 1) << 3;
*bd->ltp_lag = get_bits(gb, ctx->ltp_lag_length);
*bd->ltp_lag += FFMAX(4, opt_order + 1);
}
}
if (bd->ra_block) {
if (opt_order)
bd->raw_samples[0] = decode_rice(gb, avctx->bits_per_raw_sample - 4);
if (opt_order > 1)
bd->raw_samples[1] = decode_rice(gb, FFMIN(s[0] + 3, ctx->s_max));
if (opt_order > 2)
bd->raw_samples[2] = decode_rice(gb, FFMIN(s[0] + 1, ctx->s_max));
start = FFMIN(opt_order, 3);
}
if (sconf->bgmc) {
int delta[8];
unsigned int k [8];
unsigned int b = av_clip((av_ceil_log2(bd->block_length) - 3) >> 1, 0, 5);
unsigned int i = start;
unsigned int high;
unsigned int low;
unsigned int value;
ff_bgmc_decode_init(gb, &high, &low, &value);
current_res = bd->raw_samples + start;
for (sb = 0; sb < sub_blocks; sb++, i = 0) {
k [sb] = s[sb] > b ? s[sb] - b : 0;
delta[sb] = 5 - s[sb] + k[sb];
ff_bgmc_decode(gb, sb_length, current_res,
delta[sb], sx[sb], &high, &low, &value, ctx->bgmc_lut, ctx->bgmc_lut_status);
current_res += sb_length;
}
ff_bgmc_decode_end(gb);
i = start;
current_res = bd->raw_samples + start;
for (sb = 0; sb < sub_blocks; sb++, i = 0) {
unsigned int cur_tail_code = tail_code[sx[sb]][delta[sb]];
unsigned int cur_k = k[sb];
unsigned int cur_s = s[sb];
for (; i < sb_length; i++) {
int32_t res = *current_res;
if (res == cur_tail_code) {
unsigned int max_msb = (2 + (sx[sb] > 2) + (sx[sb] > 10))
<< (5 - delta[sb]);
res = decode_rice(gb, cur_s);
if (res >= 0) {
res += (max_msb ) << cur_k;
} else {
res -= (max_msb - 1) << cur_k;
}
} else {
if (res > cur_tail_code)
res--;
if (res & 1)
res = -res;
res >>= 1;
if (cur_k) {
res <<= cur_k;
res |= get_bits_long(gb, cur_k);
}
}
*current_res++ = res;
}
}
} else {
current_res = bd->raw_samples + start;
for (sb = 0; sb < sub_blocks; sb++, start = 0)
for (; start < sb_length; start++)
*current_res++ = decode_rice(gb, s[sb]);
}
if (!sconf->mc_coding || ctx->js_switch)
align_get_bits(gb);
return 0;
} | https://github.com/libav/libav/blob/3cf8db9447a6c77550033acea84e30be2af7ad2c/libavcodec/alsdec.c/#L662 |
d2a_code_data_43440 | 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/#L1645 |
d2a_code_data_43441 | int av_write_trailer(AVFormatContext *s)
{
int ret, i;
for(;;){
AVPacket pkt;
ret= av_interleave_packet(s, &pkt, NULL, 1);
if(ret<0)
goto fail;
if(!ret)
break;
truncate_ts(s->streams[pkt.stream_index], &pkt);
ret= s->oformat->write_packet(s, &pkt);
av_free_packet(&pkt);
if(ret<0)
goto fail;
if(url_ferror(s->pb))
goto fail;
}
if(s->oformat->write_trailer)
ret = s->oformat->write_trailer(s);
fail:
if(ret == 0)
ret=url_ferror(s->pb);
for(i=0;i<s->nb_streams;i++)
av_freep(&s->streams[i]->priv_data);
av_freep(&s->priv_data);
return ret;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavformat/utils.c/#L2555 |
d2a_code_data_43442 | static void *v2i_IPAddrBlocks(const struct v3_ext_method *method,
struct v3_ext_ctx *ctx,
STACK_OF(CONF_VALUE) *values)
{
static const char v4addr_chars[] = "0123456789.";
static const char v6addr_chars[] = "0123456789.:abcdefABCDEF";
IPAddrBlocks *addr = NULL;
char *s = NULL, *t;
int i;
if ((addr = sk_IPAddressFamily_new(IPAddressFamily_cmp)) == NULL) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < sk_CONF_VALUE_num(values); i++) {
CONF_VALUE *val = sk_CONF_VALUE_value(values, i);
unsigned char min[ADDR_RAW_BUF_LEN], max[ADDR_RAW_BUF_LEN];
unsigned afi, *safi = NULL, safi_;
const char *addr_chars = NULL;
int prefixlen, i1, i2, delim, length;
if (!name_cmp(val->name, "IPv4")) {
afi = IANA_AFI_IPV4;
} else if (!name_cmp(val->name, "IPv6")) {
afi = IANA_AFI_IPV6;
} else if (!name_cmp(val->name, "IPv4-SAFI")) {
afi = IANA_AFI_IPV4;
safi = &safi_;
} else if (!name_cmp(val->name, "IPv6-SAFI")) {
afi = IANA_AFI_IPV6;
safi = &safi_;
} else {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_EXTENSION_NAME_ERROR);
X509V3_conf_err(val);
goto err;
}
switch (afi) {
case IANA_AFI_IPV4:
addr_chars = v4addr_chars;
break;
case IANA_AFI_IPV6:
addr_chars = v6addr_chars;
break;
}
length = length_from_afi(afi);
if (safi != NULL) {
*safi = strtoul(val->value, &t, 0);
t += strspn(t, " \t");
if (*safi > 0xFF || *t++ != ':') {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_SAFI);
X509V3_conf_err(val);
goto err;
}
t += strspn(t, " \t");
s = OPENSSL_strdup(t);
} else {
s = OPENSSL_strdup(val->value);
}
if (s == NULL) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE);
goto err;
}
if (strcmp(s, "inherit") == 0) {
if (!v3_addr_add_inherit(addr, afi, safi)) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_INVALID_INHERITANCE);
X509V3_conf_err(val);
goto err;
}
OPENSSL_free(s);
s = NULL;
continue;
}
i1 = strspn(s, addr_chars);
i2 = i1 + strspn(s + i1, " \t");
delim = s[i2++];
s[i1] = '\0';
if (a2i_ipadd(min, s) != length) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, X509V3_R_INVALID_IPADDRESS);
X509V3_conf_err(val);
goto err;
}
switch (delim) {
case '/':
prefixlen = (int)strtoul(s + i2, &t, 10);
if (t == s + i2 || *t != '\0') {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_EXTENSION_VALUE_ERROR);
X509V3_conf_err(val);
goto err;
}
if (!v3_addr_add_prefix(addr, afi, safi, min, prefixlen)) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE);
goto err;
}
break;
case '-':
i1 = i2 + strspn(s + i2, " \t");
i2 = i1 + strspn(s + i1, addr_chars);
if (i1 == i2 || s[i2] != '\0') {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_EXTENSION_VALUE_ERROR);
X509V3_conf_err(val);
goto err;
}
if (a2i_ipadd(max, s + i1) != length) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_INVALID_IPADDRESS);
X509V3_conf_err(val);
goto err;
}
if (memcmp(min, max, length_from_afi(afi)) > 0) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_EXTENSION_VALUE_ERROR);
X509V3_conf_err(val);
goto err;
}
if (!v3_addr_add_range(addr, afi, safi, min, max)) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE);
goto err;
}
break;
case '\0':
if (!v3_addr_add_prefix(addr, afi, safi, min, length * 8)) {
X509V3err(X509V3_F_V2I_IPADDRBLOCKS, ERR_R_MALLOC_FAILURE);
goto err;
}
break;
default:
X509V3err(X509V3_F_V2I_IPADDRBLOCKS,
X509V3_R_EXTENSION_VALUE_ERROR);
X509V3_conf_err(val);
goto err;
}
OPENSSL_free(s);
s = NULL;
}
if (!v3_addr_canonize(addr))
goto err;
return addr;
err:
OPENSSL_free(s);
sk_IPAddressFamily_pop_free(addr, IPAddressFamily_free);
return NULL;
} | https://github.com/openssl/openssl/blob/ec04e866343d40a1e3e8e5db79557e279a2dd0d8/crypto/x509v3/v3_addr.c/#L1091 |
d2a_code_data_43443 | IMPLEMENT_new_ctx(cfb8, CFB, 128) | https://github.com/openssl/openssl/blob/f79858ac4d90a450d0620d1ecb713bc35d7d9f8d/providers/common/ciphers/aes.c/#L314 |
d2a_code_data_43444 | 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_43445 | static ossl_inline void packet_forward(PACKET *pkt, size_t len)
{
pkt->curr += len;
pkt->remaining -= len;
} | https://github.com/openssl/openssl/blob/2e6b615f795e8ca8ae830a00079c4ea064eaae42/ssl/packet_locl.h/#L32 |
d2a_code_data_43446 | static void rtmp_calc_digest(const uint8_t *src, int len, int gap,
const uint8_t *key, int keylen, uint8_t *dst)
{
struct AVSHA *sha;
uint8_t hmac_buf[64+32] = {0};
int i;
sha = av_mallocz(av_sha_size);
if (keylen < 64) {
memcpy(hmac_buf, key, keylen);
} else {
av_sha_init(sha, 256);
av_sha_update(sha,key, keylen);
av_sha_final(sha, hmac_buf);
}
for (i = 0; i < 64; i++)
hmac_buf[i] ^= HMAC_IPAD_VAL;
av_sha_init(sha, 256);
av_sha_update(sha, hmac_buf, 64);
if (gap <= 0) {
av_sha_update(sha, src, len);
} else {
av_sha_update(sha, src, gap);
av_sha_update(sha, src + gap + 32, len - gap - 32);
}
av_sha_final(sha, hmac_buf + 64);
for (i = 0; i < 64; i++)
hmac_buf[i] ^= HMAC_IPAD_VAL ^ HMAC_OPAD_VAL;
av_sha_init(sha, 256);
av_sha_update(sha, hmac_buf, 64+32);
av_sha_final(sha, dst);
av_free(sha);
} | https://github.com/libav/libav/blob/af2f655c02c69aa615eb2a06000a1aa35916967a/libavformat/rtmpproto.c/#L418 |
d2a_code_data_43447 | static int init_context_frame(MpegEncContext *s)
{
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
s->mb_width = (s->width + 15) / 16;
s->mb_stride = s->mb_width + 1;
s->b8_stride = s->mb_width * 2 + 1;
mb_array_size = s->mb_height * s->mb_stride;
mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
s->h_edge_pos = s->mb_width * 16;
s->v_edge_pos = s->mb_height * 16;
s->mb_num = s->mb_width * s->mb_height;
s->block_wrap[0] =
s->block_wrap[1] =
s->block_wrap[2] =
s->block_wrap[3] = s->b8_stride;
s->block_wrap[4] =
s->block_wrap[5] = s->mb_stride;
y_size = s->b8_stride * (2 * s->mb_height + 1);
c_size = s->mb_stride * (s->mb_height + 1);
yc_size = y_size + 2 * c_size;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
fail);
for (y = 0; y < s->mb_height; y++)
for (x = 0; x < s->mb_width; x++)
s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
s->mb_index2xy[s->mb_height * s->mb_width] =
(s->mb_height - 1) * s->mb_stride + s->mb_width;
if (s->encoding) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
mv_table_size * 2 * sizeof(int16_t), fail);
s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
s->mb_stride + 1;
s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
s->mb_stride + 1;
s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
sizeof(uint16_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
sizeof(int), fail);
FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
mb_array_size * sizeof(float), fail);
FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,
mb_array_size * sizeof(float), fail);
}
if (s->codec_id == AV_CODEC_ID_MPEG4 ||
(s->flags & CODEC_FLAG_INTERLACED_ME)) {
for (i = 0; i < 2; i++) {
int j, k;
for (j = 0; j < 2; j++) {
for (k = 0; k < 2; k++) {
FF_ALLOCZ_OR_GOTO(s->avctx,
s->b_field_mv_table_base[i][j][k],
mv_table_size * 2 * sizeof(int16_t),
fail);
s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
mb_array_size * 2 * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
mv_table_size * 2 * sizeof(int16_t), fail);
s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
+ s->mb_stride + 1;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
mb_array_size * 2 * sizeof(uint8_t), fail);
}
}
if (s->out_format == FMT_H263) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
s->coded_block = s->coded_block_base + s->b8_stride + 1;
FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
mb_array_size * sizeof(uint8_t), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
mb_array_size * sizeof(uint8_t), fail);
}
if (s->h263_pred || s->h263_plus || !s->encoding) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
yc_size * sizeof(int16_t), fail);
s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
s->dc_val[2] = s->dc_val[1] + c_size;
for (i = 0; i < yc_size; i++)
s->dc_val_base[i] = 1024;
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
memset(s->mbintra_table, 1, mb_array_size);
FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
return init_er(s);
fail:
return AVERROR(ENOMEM);
} | https://github.com/libav/libav/blob/d6d767d93e532246cacf3567e6bcad76a821f838/libavcodec/mpegvideo.c/#L1117 |
d2a_code_data_43448 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43449 | c448_error_t x448_int(uint8_t out[X_PUBLIC_BYTES],
const uint8_t base[X_PUBLIC_BYTES],
const uint8_t scalar[X_PRIVATE_BYTES])
{
gf x1, x2, z2, x3, z3, t1, t2;
int t;
mask_t swap = 0;
mask_t nz;
ignore_result(gf_deserialize(x1, base, 1, 0));
gf_copy(x2, ONE);
gf_copy(z2, ZERO);
gf_copy(x3, x1);
gf_copy(z3, ONE);
for (t = X_PRIVATE_BITS - 1; t >= 0; t--) {
uint8_t sb = scalar[t / 8];
mask_t k_t;
if (t / 8 == 0)
sb &= -(uint8_t)COFACTOR;
else if (t == X_PRIVATE_BITS - 1)
sb = -1;
k_t = (sb >> (t % 8)) & 1;
k_t = 0 - k_t;
swap ^= k_t;
gf_cond_swap(x2, x3, swap);
gf_cond_swap(z2, z3, swap);
swap = k_t;
gf_add_nr(t1, x2, z2);
gf_sub_nr(t2, x2, z2);
gf_sub_nr(z2, x3, z3);
gf_mul(x2, t1, z2);
gf_add_nr(z2, z3, x3);
gf_mul(x3, t2, z2);
gf_sub_nr(z3, x2, x3);
gf_sqr(z2, z3);
gf_mul(z3, x1, z2);
gf_add_nr(z2, x2, x3);
gf_sqr(x3, z2);
gf_sqr(z2, t1);
gf_sqr(t1, t2);
gf_mul(x2, z2, t1);
gf_sub_nr(t2, z2, t1);
gf_mulw(t1, t2, -EDWARDS_D);
gf_add_nr(t1, t1, z2);
gf_mul(z2, t2, t1);
}
gf_cond_swap(x2, x3, swap);
gf_cond_swap(z2, z3, swap);
gf_invert(z2, z2, 0);
gf_mul(x1, x2, z2);
gf_serialize(out, x1, 1);
nz = ~gf_eq(x1, ZERO);
OPENSSL_cleanse(x1, sizeof(x1));
OPENSSL_cleanse(x2, sizeof(x2));
OPENSSL_cleanse(z2, sizeof(z2));
OPENSSL_cleanse(x3, sizeof(x3));
OPENSSL_cleanse(z3, sizeof(z3));
OPENSSL_cleanse(t1, sizeof(t1));
OPENSSL_cleanse(t2, sizeof(t2));
return c448_succeed_if(mask_to_bool(nz));
} | https://github.com/openssl/openssl/blob/0cdcdacc337005e08a906b2e07d4e44e3ee48138/crypto/ec/curve448/curve448.c/#L428 |
d2a_code_data_43450 | static unsigned int BN_STACK_pop(BN_STACK *st)
{
return st->indexes[--(st->depth)];
} | https://github.com/openssl/openssl/blob/0282aeb690d63fab73a07191b63300a2fe30d212/crypto/bn/bn_ctx.c/#L273 |
d2a_code_data_43451 | static MYOBJ *MYOBJ_new()
{
static int count = 0;
MYOBJ *obj = OPENSSL_malloc(sizeof(*obj));
obj->id = ++count;
obj->st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data);
OPENSSL_assert(obj->st != 0);
return obj;
} | https://github.com/openssl/openssl/blob/b3c31a6572bd7b89f469deb3c78f85f6e303df47/test/exdatatest.c/#L57 |
d2a_code_data_43452 | static int zmbv_decode_intra(ZmbvContext *c)
{
uint8_t *src = c->decomp_buf;
if (c->fmt == ZMBV_FMT_8BPP) {
memcpy(c->pal, src, 768);
src += 768;
}
memcpy(c->cur, src, c->width * c->height * (c->bpp / 8));
return 0;
} | https://github.com/libav/libav/blob/3ec394ea823c2a6e65a6abbdb2041ce1c66964f8/libavcodec/zmbv.c/#L386 |
d2a_code_data_43453 | MSG_PROCESS_RETURN tls_process_cert_verify(SSL *s, PACKET *pkt)
{
EVP_PKEY *pkey = NULL;
unsigned char *sig, *data;
int al, ret = MSG_PROCESS_ERROR;
int type = 0, j;
unsigned int len;
X509 *peer;
const EVP_MD *md = NULL;
long hdatalen = 0;
void *hdata;
EVP_MD_CTX *mctx = EVP_MD_CTX_new();
if (mctx == NULL) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_MALLOC_FAILURE);
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
peer = s->session->peer;
pkey = X509_get0_pubkey(peer);
type = X509_certificate_type(peer, pkey);
if (!(type & EVP_PKT_SIGN)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY,
SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);
al = SSL_AD_ILLEGAL_PARAMETER;
goto f_err;
}
#ifndef OPENSSL_NO_GOST
if (PACKET_remaining(pkt) == 64 && pkey->type == NID_id_GostR3410_2001) {
len = 64;
} else
#endif
{
if (SSL_USE_SIGALGS(s)) {
int rv;
if (!PACKET_get_bytes(pkt, &sig, 2)) {
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
rv = tls12_check_peer_sigalg(&md, s, sig, pkey);
if (rv == -1) {
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
} else if (rv == 0) {
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
#ifdef SSL_DEBUG
fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
#endif
} else {
int idx = ssl_cert_type(NULL, pkey);
if (idx >= 0)
md = s->s3->tmp.md[idx];
if (md == NULL) {
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
}
if (!PACKET_get_net_2(pkt, &len)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH);
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
}
j = EVP_PKEY_size(pkey);
if (((int)len > j) || ((int)PACKET_remaining(pkt) > j)
|| (PACKET_remaining(pkt) == 0)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_WRONG_SIGNATURE_SIZE);
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
if (!PACKET_get_bytes(pkt, &data, len)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_LENGTH_MISMATCH);
al = SSL_AD_DECODE_ERROR;
goto f_err;
}
hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
if (hdatalen <= 0) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_INTERNAL_ERROR);
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
#ifdef SSL_DEBUG
fprintf(stderr, "Using client verify alg %s\n", EVP_MD_name(md));
#endif
if (!EVP_VerifyInit_ex(mctx, md, NULL)
|| !EVP_VerifyUpdate(mctx, hdata, hdatalen)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB);
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
#ifndef OPENSSL_NO_GOST
if (pkey->type == NID_id_GostR3410_2001
|| pkey->type == NID_id_GostR3410_2012_256
|| pkey->type == NID_id_GostR3410_2012_512) {
BUF_reverse(data, NULL, len);
}
#endif
if (s->version == SSL3_VERSION
&& !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,
s->session->master_key_length,
s->session->master_key)) {
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, ERR_R_EVP_LIB);
al = SSL_AD_INTERNAL_ERROR;
goto f_err;
}
if (EVP_VerifyFinal(mctx, data, len, pkey) <= 0) {
al = SSL_AD_DECRYPT_ERROR;
SSLerr(SSL_F_TLS_PROCESS_CERT_VERIFY, SSL_R_BAD_SIGNATURE);
goto f_err;
}
ret = MSG_PROCESS_CONTINUE_PROCESSING;
if (0) {
f_err:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
ossl_statem_set_error(s);
}
BIO_free(s->s3->handshake_buffer);
s->s3->handshake_buffer = NULL;
EVP_MD_CTX_free(mctx);
return ret;
} | https://github.com/openssl/openssl/blob/928623825cc59e272e2031cd3f07c5b7bbd605d4/ssl/statem/statem_srvr.c/#L2697 |
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