PJ_DEF(pj_status_t) pjmedia_jbuf_create(pj_pool_t *pool,
const pj_str_t *name,
unsigned frame_size,
unsigned ptime,
unsigned max_count,
pjmedia_jbuf **p_jb)
{
pjmedia_jbuf *jb;
pj_status_t status;
jb = PJ_POOL_ZALLOC_T(pool, pjmedia_jbuf);
status = jb_framelist_init(pool, &jb->jb_framelist, frame_size, max_count);
if (status != PJ_SUCCESS)
return status;
pj_strdup_with_null(pool, &jb->jb_name, name);
jb->jb_frame_size = frame_size;
jb->jb_frame_ptime = ptime;
jb->jb_prefetch = PJ_MIN(PJMEDIA_JB_DEFAULT_INIT_DELAY,max_count*4/5);
jb->jb_min_prefetch = 0;
jb->jb_max_prefetch = max_count*4/5;
jb->jb_max_count = max_count;
jb->jb_min_shrink_gap= PJMEDIA_JBUF_DISC_MIN_GAP / ptime;
jb->jb_max_burst = PJ_MAX(MAX_BURST_MSEC / ptime, max_count*3/4);
pj_math_stat_init(&jb->jb_delay);
pj_math_stat_init(&jb->jb_burst);
pjmedia_jbuf_set_discard(jb, PJMEDIA_JB_DISCARD_PROGRESSIVE);
pjmedia_jbuf_reset(jb);
*p_jb = jb;
return PJ_SUCCESS;
}
int jbuf_main(void)
{
FILE *input;
pj_bool_t data_eof = PJ_FALSE;
int old_log_level;
int rc = 0;
const char* input_filename = "Jbtest.dat";
const char* input_search_path[] = {
"../build",
"pjmedia/build",
"build"
};
/* Try to open test data file in the working directory */
input = fopen(input_filename, "rt");
/* If that fails, try to open test data file in specified search paths */
if (input == NULL) {
char input_path[PJ_MAXPATH];
int i;
for (i = 0; !input && i < PJ_ARRAY_SIZE(input_search_path); ++i) {
pj_ansi_snprintf(input_path, PJ_MAXPATH, "%s/%s",
input_search_path[i],
input_filename);
input = fopen(input_path, "rt");
}
}
/* Failed to open test data file. */
if (input == NULL) {
printf("Failed to open test data file, Jbtest.dat\n");
return -1;
}
old_log_level = pj_log_get_level();
pj_log_set_level(5);
while (rc == 0 && !data_eof) {
pj_str_t jb_name = {"JBTEST", 6};
pjmedia_jbuf *jb;
pj_pool_t *pool;
pjmedia_jb_state state;
pj_uint16_t last_seq = 0;
pj_uint16_t seq = 1;
char line[1024], *p = NULL;
test_param_t param;
test_cond_t cond;
param.adaptive = PJ_TRUE;
param.init_prefetch = JB_INIT_PREFETCH;
param.min_prefetch = JB_MIN_PREFETCH;
param.max_prefetch = JB_MAX_PREFETCH;
cond.burst = -1;
cond.delay = -1;
cond.discard = -1;
cond.empty = -1;
cond.lost = -1;
printf("\n\n");
/* Parse test session title, param, and conditions */
do {
p = fgets(line, sizeof(line), input);
} while (p && parse_test_headers(line, ¶m, &cond));
/* EOF test data */
if (p == NULL)
break;
//printf("======================================================\n");
/* Initialize test session */
pool = pj_pool_create(mem, "JBPOOL", 256*16, 256*16, NULL);
pjmedia_jbuf_create(pool, &jb_name, 1, JB_PTIME, JB_BUF_SIZE, &jb);
pjmedia_jbuf_reset(jb);
if (param.adaptive) {
pjmedia_jbuf_set_adaptive(jb,
param.init_prefetch,
param.min_prefetch,
param.max_prefetch);
} else {
pjmedia_jbuf_set_fixed(jb, param.init_prefetch);
}
#ifdef REPORT
pjmedia_jbuf_get_state(jb, &state);
printf("Initial\tsize=%d\tprefetch=%d\tmin.pftch=%d\tmax.pftch=%d\n",
state.size, state.prefetch, state.min_prefetch,
state.max_prefetch);
#endif
/* Test session start */
while (1) {
char c;
/* Get next line of test data */
if (!p || *p == 0) {
p = fgets(line, sizeof(line), input);
if (p == NULL) {
data_eof = PJ_TRUE;
break;
}
}
/* Get next char of test data */
c = *p++;
/* Skip spaces */
if (isspace(c))
continue;
/* Print comment line */
if (c == '#') {
#ifdef PRINT_COMMENT
while (*p && isspace(*p)) ++p;
if (*p) printf("..%s", p);
#endif
*p = 0;
continue;
}
/* Process test data */
if (!process_test_data(c, jb, &seq, &last_seq))
break;
}
/* Print JB states */
pjmedia_jbuf_get_state(jb, &state);
printf("------------------------------------------------------\n");
printf("Summary:\n");
printf(" size=%d prefetch=%d\n", state.size, state.prefetch);
printf(" delay (min/max/avg/dev)=%d/%d/%d/%d ms\n",
state.min_delay, state.max_delay, state.avg_delay,
state.dev_delay);
printf(" lost=%d discard=%d empty=%d burst(avg)=%d\n",
state.lost, state.discard, state.empty, state.avg_burst);
/* Evaluate test session */
if (cond.burst >= 0 && (int)state.avg_burst > cond.burst) {
printf("! 'Burst' should be %d, it is %d\n",
cond.burst, state.avg_burst);
rc |= 1;
}
if (cond.delay >= 0 && (int)state.avg_delay/JB_PTIME > cond.delay) {
printf("! 'Delay' should be %d, it is %d\n",
cond.delay, state.avg_delay/JB_PTIME);
rc |= 2;
}
if (cond.discard >= 0 && (int)state.discard > cond.discard) {
printf("! 'Discard' should be %d, it is %d\n",
cond.discard, state.discard);
rc |= 4;
}
if (cond.empty >= 0 && (int)state.empty > cond.empty) {
printf("! 'Empty' should be %d, it is %d\n",
cond.empty, state.empty);
rc |= 8;
}
if (cond.lost >= 0 && (int)state.lost > cond.lost) {
printf("! 'Lost' should be %d, it is %d\n",
cond.lost, state.lost);
rc |= 16;
}
pjmedia_jbuf_destroy(jb);
pj_pool_release(pool);
}
fclose(input);
pj_log_set_level(old_log_level);
return rc;
}
