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Diffstat (limited to 'pjsip-apps/src/test-pjsua/tools/cmp_wav.c')
-rw-r--r--pjsip-apps/src/test-pjsua/tools/cmp_wav.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/pjsip-apps/src/test-pjsua/tools/cmp_wav.c b/pjsip-apps/src/test-pjsua/tools/cmp_wav.c
deleted file mode 100644
index 398a7210..00000000
--- a/pjsip-apps/src/test-pjsua/tools/cmp_wav.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/* $Id$ */
-
-#include <pjmedia.h>
-#include <pjlib-util.h>
-#include <pjlib.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#define app_perror(a,b,c) printf("%s: %s (%d)", a, b, c)
-
-
-/* For logging purpose. */
-#define THIS_FILE "cmp_wav.c"
-#define BYTES_PER_FRAME 512
-
-static const char *desc =
-" FILE \n"
-" \n"
-" cmp_wav.c \n"
-" \n"
-" PURPOSE \n"
-" \n"
-" Compare two WAV files. \n"
-" \n"
-" USAGE \n"
-" \n"
-" cmp_wav ORIGINAL_WAV DEGRADED_WAV [TIME] [DETAIL] \n"
-" \n"
-" ORIGINAL_WAV The original WAV file as reference. \n"
-" DEGRADED_WAV The degraded WAV file. \n"
-" TIME Compare only some part of the files \n"
-" (in ms, since the beginning). \n"
-" Specify 0 (default) to compare the whole time. \n"
-" DETAIL Show detail result, 1 or 0 (default=0, means no)\n"
-" \n"
-" Both files must have same clock rate and must contain \n"
-" uncompressed (i.e. 16bit) PCM. \n";
-
-
-/* Sum of multiplication of corresponding samples in buf1 & buf2 */
-double sum_mult_sig(pj_int16_t *buf1, pj_int16_t *buf2, unsigned nsamples)
-{
- double mag = 0;
-
- while (nsamples--)
- mag += (double)*buf1++ * (double)*buf2++;
-
- return mag;
-}
-
-
-/*
- * main()
- */
-int main(int argc, char *argv[])
-{
- pj_caching_pool cp;
- pjmedia_endpt *med_endpt;
- pj_pool_t *pool;
- pjmedia_port *file_ori_port;
- pjmedia_port *file_deg_port;
- pj_status_t status;
- unsigned first_nsamples = 0;
- unsigned samples_compared = 0;
-
- char buf1[BYTES_PER_FRAME];
- char buf2[BYTES_PER_FRAME];
-
- double ref_mag = 0;
- double deg_mag = 0;
- double mix_mag = 0;
-
- int detail = 0;
- int res_deg, res_mix, res_overall;
-
- if (argc < 3) {
- puts("Error: original & degraded filename required");
- puts(desc);
- return 1;
- }
-
- /* Set log level. */
- pj_log_set_level(3);
-
- /* Must init PJLIB first: */
- status = pj_init();
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
-
- /* Must create a pool factory before we can allocate any memory. */
- pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
-
- /*
- * Initialize media endpoint.
- * This will implicitly initialize PJMEDIA too.
- */
- status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
-
- /* Create memory pool for our file player */
- pool = pj_pool_create( &cp.factory, /* pool factory */
- "wav", /* pool name. */
- 4000, /* init size */
- 4000, /* increment size */
- NULL /* callback on error */
- );
-
- /* Create file media port from the original WAV file */
- status = pjmedia_wav_player_port_create( pool, /* memory pool */
- argv[1], /* file to play */
- 40, /* ptime. */
- PJMEDIA_FILE_NO_LOOP, /* flags */
- 0, /* default buffer */
- &file_ori_port/* returned port */
- );
- if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Unable to use WAV file", status);
- return 1;
- }
-
- /* Create file media port from the degraded WAV file */
- status = pjmedia_wav_player_port_create( pool, /* memory pool */
- argv[2], /* file to play */
- 40, /* ptime. */
- PJMEDIA_FILE_NO_LOOP, /* flags */
- 0, /* default buffer */
- &file_deg_port/* returned port */
- );
- if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Unable to use WAV file", status);
- return 1;
- }
-
- if (file_ori_port->info.clock_rate != file_deg_port->info.clock_rate) {
- app_perror(THIS_FILE, "Clock rates must be same.", PJ_EINVAL);
- return 1;
- }
-
- if (argc > 3)
- first_nsamples = atoi(argv[3]) * file_ori_port->info.clock_rate / 1000;
-
- if (argc > 4)
- detail = atoi(argv[4]);
-
- while (1) {
- pjmedia_frame f1, f2;
-
- f1.buf = buf1;
- f1.size = BYTES_PER_FRAME;
- f2.buf = buf2;
- f2.size = BYTES_PER_FRAME;
-
- status = pjmedia_port_get_frame(file_ori_port, &f1);
- if (status == PJ_EEOF) {
- break;
- } else if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Error occured while reading file", status);
- break;
- }
- status = pjmedia_port_get_frame(file_deg_port, &f2);
- if (status == PJ_EEOF) {
- break;
- } else if (status != PJ_SUCCESS) {
- app_perror(THIS_FILE, "Error occured while reading file", status);
- break;
- }
-
- /* Calculate magnitudes */
- ref_mag += sum_mult_sig(f1.buf, f1.buf, BYTES_PER_FRAME >> 1);
- deg_mag += sum_mult_sig(f2.buf, f2.buf, BYTES_PER_FRAME >> 1);
- mix_mag += sum_mult_sig(f1.buf, f2.buf, BYTES_PER_FRAME >> 1);
-
- samples_compared += BYTES_PER_FRAME >> 1;
- if (first_nsamples && samples_compared >= first_nsamples)
- break;
- }
-
- /* Degraded magnitude compared to reference magnitude
- */
- res_deg = (int) (deg_mag / ref_mag * 100.0);
- if (res_deg < 0)
- res_deg = -1;
- else if (res_deg >= 81)
- res_deg = 9;
- else
- res_deg = pj_isqrt(res_deg);
-
- /* Mixed magnitude (don't know what this is actually :D) compared to
- * reference magnitude
- */
- res_mix = (int) (mix_mag / ref_mag * 100.0);
- if (res_mix < 0)
- res_mix = -1;
- else if (res_mix >= 81)
- res_mix = 9;
- else
- res_mix = pj_isqrt(res_mix);
-
- /* Overall score.
- * If mixed score is -1, then overall score should be -1 as well.
- * Apply no weighting (1:1) for now.
- */
- if (res_mix == -1)
- res_overall = -1;
- else
- res_overall = (res_mix*1 + res_deg*1) / 2;
-
- if (detail) {
- printf("Reference = %.0f\n", ref_mag);
- printf("Degraded = %.0f\n", deg_mag);
- printf("Mixed = %.0f\n", mix_mag);
-
- printf("\n");
-
- printf("Score 1 = %d\n", res_deg);
- printf("Score 2 = %d\n", res_mix);
-
- printf("\n");
- }
-
- printf("Overall = %d\n", res_overall);
-
- /* Destroy file port */
- status = pjmedia_port_destroy( file_ori_port );
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
-
- status = pjmedia_port_destroy( file_deg_port );
- PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
-
- /* Release application pool */
- pj_pool_release( pool );
-
- /* Destroy media endpoint. */
- pjmedia_endpt_destroy( med_endpt );
-
- /* Destroy pool factory */
- pj_caching_pool_destroy( &cp );
-
- /* Shutdown PJLIB */
- pj_shutdown();
-
-
- /* Done. */
- return 0;
-}
-
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