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;
}
Exemple #2
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;
}