File size: 4,227 Bytes
b36cc6a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* Test endpointing.
*
* MIT license (c) 2022, see LICENSE for more information.
*
* Author: David Huggins-Daines <dhdaines@gmail.com>
*/
#include <pocketsphinx.h>
#include "util/ckd_alloc.h"
#include "test_macros.h"
static int sample_rates[] = {
8000,
16000,
32000,
48000,
11025,
22050,
//44100
};
static const int n_sample_rates = sizeof(sample_rates)/sizeof(sample_rates[0]);
static float labels[] = {
0.24,
1.80,
2.88,
12.12,
12.51,
15.75,
16.44,
20.87
};
static const int n_labels = sizeof(labels)/sizeof(labels[0]);
static FILE *
open_data(int sample_rate)
{
char *soxcmd;
int len;
FILE *sox;
#define SOXCMD "sox -q -D -G " TESTDATADIR "/chan3.wav -r %d -t raw -"
len = snprintf(NULL, 0, SOXCMD, sample_rate);
if ((soxcmd = malloc(len + 1)) == NULL)
E_FATAL_SYSTEM("Failed to allocate string");
if (snprintf(soxcmd, len + 1, SOXCMD, sample_rate) != len)
E_FATAL_SYSTEM("snprintf() failed");
if ((sox = popen(soxcmd, "r")) == NULL)
E_FATAL_SYSTEM("Failed to popen(%s)", soxcmd);
free(soxcmd);
return sox;
}
static int
test_sample_rate(int sample_rate)
{
ps_endpointer_t *ep;
size_t frame_size, nsamp, end_nsamp;
const short *speech;
short *frame;
FILE *fh;
int i;
E_INFO("Sample rate %d\n", sample_rate);
ep = ps_endpointer_init(0, 0, 0, sample_rate, 0);
frame_size = ps_endpointer_frame_size(ep);
frame = ckd_calloc(sizeof(*frame), frame_size);
fh = open_data(sample_rate);
TEST_ASSERT(fh);
i = 0;
while ((nsamp = fread(frame, sizeof(*frame), frame_size, fh)) == frame_size) {
int prev_in_speech = ps_endpointer_in_speech(ep);
TEST_ASSERT(i < n_labels);
speech = ps_endpointer_process(ep, frame);
if (speech != NULL) {
if (!prev_in_speech) {
E_INFO("Speech start at %.2f (label %.2f)\n",
ps_endpointer_speech_start(ep), labels[i]);
TEST_ASSERT(fabs(ps_endpointer_speech_start(ep)
- labels[i++]) < 0.3);
}
if (!ps_endpointer_in_speech(ep)) {
E_INFO("Speech end at %.2f (label %.2f)\n",
ps_endpointer_speech_end(ep), labels[i]);
TEST_ASSERT(fabs(ps_endpointer_speech_end(ep)
/* FIXME: This difference should be smaller */
- labels[i++]) < 0.8);
}
}
}
speech = ps_endpointer_end_stream(ep, frame, nsamp, &end_nsamp);
if (speech != NULL) {
TEST_ASSERT(i < n_labels);
E_INFO("Speech end at %.2f (label %.2f)\n",
ps_endpointer_speech_end(ep), labels[i]);
TEST_ASSERT(fabs(ps_endpointer_speech_end(ep)
- labels[i]) < 0.3);
}
pclose(fh);
ckd_free(frame);
ps_endpointer_free(ep);
return 0;
}
int
main(int argc, char *argv[])
{
ps_endpointer_t *ep;
int i;
(void)argc; (void)argv;
err_set_loglevel(ERR_INFO);
/* Test initialization with default parameters. */
ep = ps_endpointer_init(0, 0, 0, 0, 0);
TEST_ASSERT(ep);
/* Retain and release, should still be there. */
TEST_ASSERT((ep = ps_endpointer_retain(ep)));
TEST_ASSERT(ps_endpointer_free(ep));
/* Test default parameters. */
TEST_EQUAL(ps_endpointer_sample_rate(ep),
PS_VAD_DEFAULT_SAMPLE_RATE);
TEST_EQUAL(ps_endpointer_frame_size(ep),
(int)(PS_VAD_DEFAULT_SAMPLE_RATE * PS_VAD_DEFAULT_FRAME_LENGTH));
ps_endpointer_free(ep);
/* Test rejection of unreasonable sample rates. */
ep = ps_endpointer_init(0, 0, 0, 42, 0);
TEST_ASSERT(ep == NULL);
ep = ps_endpointer_init(0, 0, 0, 96000, 0);
TEST_ASSERT(ep == NULL);
/* Test rejection of unreasonable windows and ratios. */
ep = ps_endpointer_init(0.3, 0.99, 0, 0, 0);
TEST_ASSERT(ep == NULL);
ep = ps_endpointer_init(0.03, 0.1, 0, 0, 0);
TEST_ASSERT(ep == NULL);
/* Test a variety of sample rates. */
for (i = 0; i < n_sample_rates; ++i)
test_sample_rate(sample_rates[i]);
return 0;
}
|