static pj_status_t init()
{
pjmedia_codec_mgr *cm;
pjmedia_codec_info id;
int i;
pj_caching_pool_init(&caching_pool, &pj_pool_factory_default_policy, 0);
pf = &caching_pool.factory;
if (pj_snd_init(&caching_pool.factory))
return -1;
PJ_LOG(3,(THIS_FILE, "Dumping audio devices:"));
for (i=0; i<pj_snd_get_dev_count(); ++i) {
const pj_snd_dev_info *info;
info = pj_snd_get_dev_info(i);
PJ_LOG(3,(THIS_FILE, " %d: %s\t(%d in, %d out",
i, info->name,
info->input_count, info->output_count));
}
mm = pj_med_mgr_create (&caching_pool.factory);
cm = pj_med_mgr_get_codec_mgr (mm);
id.type = PJMEDIA_TYPE_AUDIO;
id.pt = 0;
id.encoding_name = pj_str("PCMU");
id.sample_rate = 8000;
codec = pjmedia_codec_mgr_alloc_codec (cm, &id);
codec->op->default_attr(codec, &cattr);
codec->op->open(codec, &cattr);
return 0;
}
pj_status_t session_test (pj_pool_factory *pf)
{
pj_med_mgr_t *mm;
pj_media_session_t *s1, *s2;
pj_pool_t *pool;
pjsdp_session_desc *sdp;
pj_media_stream_info sd_info;
char buf[1024];
int len;
pj_media_stream_stat tx_stat, rx_stat;
pool = pj_pool_create(pf, "test", 4096, 1024, NULL);
// Init media manager.
mm = pj_med_mgr_create ( pf );
// Create caller session.
// THIS WILL DEFINITELY CRASH (NULL as argument)!
s1 = pj_media_session_create (mm, NULL);
// Set caller's media to send-only.
sd_info.dir = PJMEDIA_DIR_ENCODING;
pj_media_session_modify_stream (s1, 0, PJMEDIA_STREAM_MODIFY_DIR, &sd_info);
// Create caller SDP.
sdp = pj_media_session_create_sdp (s1, pool, 0);
len = pjsdp_print (sdp, buf, sizeof(buf));
buf[len] = '\0';
printf("Caller's initial SDP:\n<BEGIN>\n%s\n<END>\n", buf);
// Parse SDP from caller.
sdp = pjsdp_parse (buf, len, pool);
// Create callee session based on caller's SDP.
// THIS WILL DEFINITELY CRASH (NULL as argument)!
s2 = pj_media_session_create_from_sdp (mm, sdp, NULL);
// Create callee SDP
sdp = pj_media_session_create_sdp (s2, pool, 0);
len = pjsdp_print (sdp, buf, sizeof(buf));
buf[len] = '\0';
printf("Callee's SDP:\n<BEGIN>\n%s\n<END>\n", buf);
// Parse SDP from callee.
sdp = pjsdp_parse (buf, len, pool);
// Update caller
pj_media_session_update (s1, sdp);
sdp = pj_media_session_create_sdp (s1, pool, 0);
pjsdp_print (sdp, buf, sizeof(buf));
printf("Caller's SDP after update:\n<BEGIN>\n%s\n<END>\n", buf);
// Now start media.
pj_media_session_activate (s2);
pj_media_session_activate (s1);
// Wait
for (;;) {
int has_stat;
printf("Enter q to exit, 1 or 2 to print statistics.\n");
fgets (buf, 10, stdin);
has_stat = 0;
switch (buf[0]) {
case 'q':
case 'Q':
goto done;
break;
case '1':
pj_media_session_get_stat (s1, 0, &tx_stat, &rx_stat);
has_stat = 1;
break;
case '2':
pj_media_session_get_stat (s2, 0, &tx_stat, &rx_stat);
has_stat = 1;
break;
}
if (has_stat) {
pj_media_stream_stat *stat[2] = { &tx_stat, &rx_stat };
const char *statname[2] = { "TX", "RX" };
int i;
for (i=0; i<2; ++i) {
printf("%s statistics:\n", statname[i]);
printf(" Pkt TX=%d RX=%d\n", stat[i]->pkt_tx, stat[i]->pkt_rx);
printf(" Octets TX=%d RX=%d\n", stat[i]->oct_tx, stat[i]->oct_rx);
printf(" Jitter %d ms\n", stat[i]->jitter);
printf(" Pkt lost %d\n", stat[i]->pkt_lost);
}
printf("\n");
}
}
done:
// Done.
pj_pool_release (pool);
pj_media_session_destroy (s2);
pj_media_session_destroy (s1);
pj_med_mgr_destroy (mm);
return 0;
}