static void record(unsigned rec_index, const char *filename)
{
pj_pool_t *pool = NULL;
pjmedia_port *wav = NULL;
pjmedia_aud_param param;
pjmedia_aud_stream *strm = NULL;
char line[10], *dummy;
pj_status_t status;
if (filename == NULL)
filename = WAV_FILE;
pool = pj_pool_create(pjmedia_aud_subsys_get_pool_factory(), "wav",
1000, 1000, NULL);
status = pjmedia_wav_writer_port_create(pool, filename, 16000,
1, 320, 16, 0, 0, &wav);
if (status != PJ_SUCCESS) {
app_perror("Error creating WAV file", status);
goto on_return;
}
status = pjmedia_aud_dev_default_param(rec_index, ¶m);
if (status != PJ_SUCCESS) {
app_perror("pjmedia_aud_dev_default_param()", status);
goto on_return;
}
param.dir = PJMEDIA_DIR_CAPTURE;
param.clock_rate = PJMEDIA_PIA_SRATE(&wav->info);
param.samples_per_frame = PJMEDIA_PIA_SPF(&wav->info);
param.channel_count = PJMEDIA_PIA_CCNT(&wav->info);
param.bits_per_sample = PJMEDIA_PIA_BITS(&wav->info);
status = pjmedia_aud_stream_create(¶m, &wav_rec_cb, NULL, wav,
&strm);
if (status != PJ_SUCCESS) {
app_perror("Error opening the sound device", status);
goto on_return;
}
status = pjmedia_aud_stream_start(strm);
if (status != PJ_SUCCESS) {
app_perror("Error starting the sound device", status);
goto on_return;
}
PJ_LOG(3,(THIS_FILE, "Recording started, press ENTER to stop"));
dummy = fgets(line, sizeof(line), stdin);
on_return:
if (strm) {
pjmedia_aud_stream_stop(strm);
pjmedia_aud_stream_destroy(strm);
}
if (wav)
pjmedia_port_destroy(wav);
if (pool)
pj_pool_release(pool);
}
static int aviplay(pj_pool_t *pool, const char *fname)
{
pjmedia_vid_port *renderer=NULL;
pjmedia_vid_port_param param;
const pjmedia_video_format_info *vfi;
pjmedia_video_format_detail *vfd;
pjmedia_snd_port *snd_port = NULL;
pj_status_t status;
int rc = 0;
pjmedia_avi_streams *avi_streams;
pjmedia_avi_stream *vid_stream, *aud_stream;
pjmedia_port *vid_port = NULL, *aud_port = NULL;
pjmedia_vid_codec *codec=NULL;
avi_port_t avi_port;
pj_bzero(&avi_port, sizeof(avi_port));
status = pjmedia_avi_player_create_streams(pool, fname, 0, &avi_streams);
if (status != PJ_SUCCESS) {
PJ_PERROR(2,("", status, " Error playing %s", fname));
rc = 210;
goto on_return;
}
vid_stream = pjmedia_avi_streams_get_stream_by_media(avi_streams,
0,
PJMEDIA_TYPE_VIDEO);
vid_port = pjmedia_avi_stream_get_port(vid_stream);
if (vid_port) {
pjmedia_vid_port_param_default(¶m);
status = pjmedia_vid_dev_default_param(pool,
PJMEDIA_VID_DEFAULT_RENDER_DEV,
¶m.vidparam);
if (status != PJ_SUCCESS) {
rc = 220;
goto on_return;
}
/* Create renderer, set it to active */
param.active = PJ_TRUE;
param.vidparam.dir = PJMEDIA_DIR_RENDER;
vfd = pjmedia_format_get_video_format_detail(&vid_port->info.fmt,
PJ_TRUE);
pjmedia_format_init_video(¶m.vidparam.fmt,
vid_port->info.fmt.id,
vfd->size.w, vfd->size.h,
vfd->fps.num, vfd->fps.denum);
vfi = pjmedia_get_video_format_info(
pjmedia_video_format_mgr_instance(),
vid_port->info.fmt.id);
/* Check whether the frame is encoded */
if (!vfi || vfi->bpp == 0) {
/* Yes, prepare codec */
pj_str_t codec_id_st;
unsigned info_cnt = 1, i, k;
const pjmedia_vid_codec_info *codec_info;
pj_str_t port_name = {"codec", 5};
pj_uint8_t *enc_buf = NULL;
pj_size_t enc_buf_size = 0;
pjmedia_vid_dev_info rdr_info;
pjmedia_port codec_port;
codec_port_data_t codec_port_data;
pjmedia_vid_codec_param codec_param;
struct codec_fmt *codecp = NULL;
/* Lookup codec */
for (i = 0; i < sizeof(codec_fmts)/sizeof(codec_fmts[0]); i++) {
if (vid_port->info.fmt.id == codec_fmts[i].pjmedia_id) {
codecp = &codec_fmts[i];
break;
}
}
if (!codecp) {
rc = 242;
goto on_return;
}
pj_cstr(&codec_id_st, codecp->codec_id);
status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL,
&codec_id_st,
&info_cnt,
&codec_info,
NULL);
if (status != PJ_SUCCESS) {
rc = 245;
goto on_return;
}
status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
&codec_param);
if (status != PJ_SUCCESS) {
rc = 246;
goto on_return;
}
pjmedia_format_copy(&codec_param.enc_fmt, ¶m.vidparam.fmt);
pjmedia_vid_dev_get_info(param.vidparam.rend_id, &rdr_info);
for (i=0; i<codec_info->dec_fmt_id_cnt; ++i) {
for (k=0; k<rdr_info.fmt_cnt; ++k) {
if (codec_info->dec_fmt_id[i]==(int)rdr_info.fmt[k].id)
{
param.vidparam.fmt.id = codec_info->dec_fmt_id[i];
i = codec_info->dec_fmt_id_cnt;
break;
}
}
}
/* Open codec */
status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info,
&codec);
if (status != PJ_SUCCESS) {
rc = 250;
goto on_return;
}
status = pjmedia_vid_codec_init(codec, pool);
if (status != PJ_SUCCESS) {
rc = 251;
goto on_return;
}
pjmedia_format_copy(&codec_param.dec_fmt, ¶m.vidparam.fmt);
codec_param.dir = PJMEDIA_DIR_DECODING;
codec_param.packing = PJMEDIA_VID_PACKING_WHOLE;
status = pjmedia_vid_codec_open(codec, &codec_param);
if (status != PJ_SUCCESS) {
rc = 252;
goto on_return;
}
/* Alloc encoding buffer */
enc_buf_size = codec_param.dec_fmt.det.vid.size.w *
codec_param.dec_fmt.det.vid.size.h * 4
+ 16; /*< padding, just in case */
enc_buf = pj_pool_alloc(pool,enc_buf_size);
/* Init codec port */
pj_bzero(&codec_port, sizeof(codec_port));
status = pjmedia_port_info_init2(&codec_port.info, &port_name,
0x1234,
PJMEDIA_DIR_ENCODING,
&codec_param.dec_fmt);
if (status != PJ_SUCCESS) {
rc = 260;
goto on_return;
}
pj_bzero(&codec_port_data, sizeof(codec_port_data));
codec_port_data.codec = codec;
codec_port_data.src_port = vid_port;
codec_port_data.enc_buf = enc_buf;
codec_port_data.enc_buf_size = enc_buf_size;
codec_port.get_frame = &codec_get_frame;
codec_port.port_data.pdata = &codec_port_data;
/* Check whether we need to convert the decoded frame */
if (codecp->need_conversion) {
pjmedia_conversion_param conv_param;
pjmedia_format_copy(&conv_param.src, ¶m.vidparam.fmt);
pjmedia_format_copy(&conv_param.dst, ¶m.vidparam.fmt);
conv_param.dst.id = codecp->dst_fmt;
param.vidparam.fmt.id = conv_param.dst.id;
status = pjmedia_converter_create(NULL, pool, &conv_param,
&codec_port_data.conv);
if (status != PJ_SUCCESS) {
rc = 270;
goto on_return;
}
}
status = pjmedia_vid_port_create(pool, ¶m, &renderer);
if (status != PJ_SUCCESS) {
rc = 230;
goto on_return;
}
status = pjmedia_vid_port_connect(renderer, &codec_port,
PJ_FALSE);
} else {
status = pjmedia_vid_port_create(pool, ¶m, &renderer);
if (status != PJ_SUCCESS) {
rc = 230;
goto on_return;
}
/* Connect avi port to renderer */
status = pjmedia_vid_port_connect(renderer, vid_port,
PJ_FALSE);
}
if (status != PJ_SUCCESS) {
rc = 240;
goto on_return;
}
}
aud_stream = pjmedia_avi_streams_get_stream_by_media(avi_streams,
0,
PJMEDIA_TYPE_AUDIO);
aud_port = pjmedia_avi_stream_get_port(aud_stream);
if (aud_port) {
/* Create sound player port. */
status = pjmedia_snd_port_create_player(
pool, /* pool */
-1, /* use default dev. */
PJMEDIA_PIA_SRATE(&aud_port->info),/* clock rate. */
PJMEDIA_PIA_CCNT(&aud_port->info), /* # of channels. */
PJMEDIA_PIA_SPF(&aud_port->info), /* samples per frame. */
PJMEDIA_PIA_BITS(&aud_port->info), /* bits per sample. */
0, /* options */
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
rc = 310;
goto on_return;
}
/* Connect file port to the sound player.
* Stream playing will commence immediately.
*/
status = pjmedia_snd_port_connect(snd_port, aud_port);
if (status != PJ_SUCCESS) {
rc = 330;
goto on_return;
}
}
if (vid_port) {
pjmedia_vid_dev_cb cb;
pj_bzero(&cb, sizeof(cb));
avi_port.snd_port = snd_port;
avi_port.vid_port = renderer;
avi_port.is_running = PJ_TRUE;
pjmedia_vid_port_set_cb(renderer, &cb, &avi_port);
/* subscribe events */
pjmedia_event_subscribe(NULL, &avi_event_cb, &avi_port,
renderer);
if (snd_port) {
/* Synchronize video rendering and audio playback */
pjmedia_vid_port_set_clock_src(
renderer,
pjmedia_snd_port_get_clock_src(
snd_port, PJMEDIA_DIR_PLAYBACK));
}
/* Start video streaming.. */
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS) {
rc = 270;
goto on_return;
}
}
while (!avi_port.is_quitting) {
pj_thread_sleep(100);
}
on_return:
if (snd_port) {
pjmedia_snd_port_disconnect(snd_port);
/* Without this sleep, Windows/DirectSound will repeteadly
* play the last frame during destroy.
*/
pj_thread_sleep(100);
pjmedia_snd_port_destroy(snd_port);
}
if (renderer) {
pjmedia_event_unsubscribe(NULL, &avi_event_cb, &avi_port,
renderer);
pjmedia_vid_port_destroy(renderer);
}
if (aud_port)
pjmedia_port_destroy(aud_port);
if (vid_port)
pjmedia_port_destroy(vid_port);
if (codec) {
pjmedia_vid_codec_close(codec);
pjmedia_vid_codec_mgr_dealloc_codec(NULL, codec);
}
return rc;
}
/*
* Callback when SDP negotiation has completed.
* We are interested with this callback because we want to start media
* as soon as SDP negotiation is completed.
*/
static void call_on_media_update( pjsip_inv_session *inv,
pj_status_t status)
{
pjmedia_stream_info stream_info;
const pjmedia_sdp_session *local_sdp;
const pjmedia_sdp_session *remote_sdp;
pjmedia_port *media_port;
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "SDP negotiation has failed", status);
/* Here we should disconnect call if we're not in the middle
* of initializing an UAS dialog and if this is not a re-INVITE.
*/
return;
}
/* Get local and remote SDP.
* We need both SDPs to create a media session.
*/
status = pjmedia_sdp_neg_get_active_local(inv->neg, &local_sdp);
status = pjmedia_sdp_neg_get_active_remote(inv->neg, &remote_sdp);
/* Create stream info based on the media audio SDP. */
status = pjmedia_stream_info_from_sdp(&stream_info, inv->dlg->pool,
g_med_endpt,
local_sdp, remote_sdp, 0);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE,"Unable to create audio stream info",status);
return;
}
/* If required, we can also change some settings in the stream info,
* (such as jitter buffer settings, codec settings, etc) before we
* create the stream.
*/
/* Create new audio media stream, passing the stream info, and also the
* media socket that we created earlier.
*/
status = pjmedia_stream_create(g_med_endpt, inv->dlg->pool, &stream_info,
g_med_transport[0], NULL, &g_med_stream);
if (status != PJ_SUCCESS) {
app_perror( THIS_FILE, "Unable to create audio stream", status);
return;
}
/* Start the audio stream */
status = pjmedia_stream_start(g_med_stream);
if (status != PJ_SUCCESS) {
app_perror( THIS_FILE, "Unable to start audio stream", status);
return;
}
/* Get the media port interface of the audio stream.
* Media port interface is basicly a struct containing get_frame() and
* put_frame() function. With this media port interface, we can attach
* the port interface to conference bridge, or directly to a sound
* player/recorder device.
*/
pjmedia_stream_get_port(g_med_stream, &media_port);
/* Create sound port */
pjmedia_snd_port_create(inv->pool,
PJMEDIA_AUD_DEFAULT_CAPTURE_DEV,
PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV,
PJMEDIA_PIA_SRATE(&media_port->info),/* clock rate */
PJMEDIA_PIA_CCNT(&media_port->info),/* channel count */
PJMEDIA_PIA_SPF(&media_port->info), /* samples per frame*/
PJMEDIA_PIA_BITS(&media_port->info),/* bits per sample */
0,
&g_snd_port);
if (status != PJ_SUCCESS) {
app_perror( THIS_FILE, "Unable to create sound port", status);
PJ_LOG(3,(THIS_FILE, "%d %d %d %d",
PJMEDIA_PIA_SRATE(&media_port->info),/* clock rate */
PJMEDIA_PIA_CCNT(&media_port->info),/* channel count */
PJMEDIA_PIA_SPF(&media_port->info), /* samples per frame*/
PJMEDIA_PIA_BITS(&media_port->info) /* bits per sample */
));
return;
}
status = pjmedia_snd_port_connect(g_snd_port, media_port);
/* Get the media port interface of the second stream in the session,
* which is video stream. With this media port interface, we can attach
* the port directly to a renderer/capture video device.
*/
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
if (local_sdp->media_count > 1) {
pjmedia_vid_stream_info vstream_info;
pjmedia_vid_port_param vport_param;
pjmedia_vid_port_param_default(&vport_param);
/* Create stream info based on the media video SDP. */
status = pjmedia_vid_stream_info_from_sdp(&vstream_info,
inv->dlg->pool, g_med_endpt,
local_sdp, remote_sdp, 1);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE,"Unable to create video stream info",status);
return;
}
/* If required, we can also change some settings in the stream info,
* (such as jitter buffer settings, codec settings, etc) before we
* create the video stream.
*/
/* Create new video media stream, passing the stream info, and also the
* media socket that we created earlier.
*/
status = pjmedia_vid_stream_create(g_med_endpt, NULL, &vstream_info,
g_med_transport[1], NULL,
&g_med_vstream);
if (status != PJ_SUCCESS) {
app_perror( THIS_FILE, "Unable to create video stream", status);
return;
}
/* Start the video stream */
status = pjmedia_vid_stream_start(g_med_vstream);
if (status != PJ_SUCCESS) {
app_perror( THIS_FILE, "Unable to start video stream", status);
return;
}
if (vstream_info.dir & PJMEDIA_DIR_DECODING) {
status = pjmedia_vid_dev_default_param(
inv->pool, PJMEDIA_VID_DEFAULT_RENDER_DEV,
&vport_param.vidparam);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to get default param of video "
"renderer device", status);
return;
}
/* Get video stream port for decoding direction */
pjmedia_vid_stream_get_port(g_med_vstream, PJMEDIA_DIR_DECODING,
&media_port);
/* Set format */
pjmedia_format_copy(&vport_param.vidparam.fmt,
&media_port->info.fmt);
vport_param.vidparam.dir = PJMEDIA_DIR_RENDER;
vport_param.active = PJ_TRUE;
/* Create renderer */
status = pjmedia_vid_port_create(inv->pool, &vport_param,
&g_vid_renderer);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create video renderer device",
status);
return;
}
/* Connect renderer to media_port */
status = pjmedia_vid_port_connect(g_vid_renderer, media_port,
PJ_FALSE);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect renderer to stream",
status);
return;
}
}
/* Create capturer */
if (vstream_info.dir & PJMEDIA_DIR_ENCODING) {
status = pjmedia_vid_dev_default_param(
inv->pool, PJMEDIA_VID_DEFAULT_CAPTURE_DEV,
&vport_param.vidparam);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to get default param of video "
"capture device", status);
return;
}
/* Get video stream port for decoding direction */
pjmedia_vid_stream_get_port(g_med_vstream, PJMEDIA_DIR_ENCODING,
&media_port);
/* Get capturer format from stream info */
pjmedia_format_copy(&vport_param.vidparam.fmt,
&media_port->info.fmt);
vport_param.vidparam.dir = PJMEDIA_DIR_CAPTURE;
vport_param.active = PJ_TRUE;
/* Create capturer */
status = pjmedia_vid_port_create(inv->pool, &vport_param,
&g_vid_capturer);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create video capture device",
status);
return;
}
/* Connect capturer to media_port */
status = pjmedia_vid_port_connect(g_vid_capturer, media_port,
PJ_FALSE);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect capturer to stream",
status);
return;
}
}
/* Start streaming */
if (g_vid_renderer) {
status = pjmedia_vid_port_start(g_vid_renderer);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start video renderer",
status);
return;
}
}
if (g_vid_capturer) {
status = pjmedia_vid_port_start(g_vid_capturer);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start video capturer",
status);
return;
}
}
}
#endif /* PJMEDIA_HAS_VIDEO */
/* Done with media. */
}
PJ_DEF(pj_status_t) pjmedia_stereo_port_create( pj_pool_t *pool,
pjmedia_port *dn_port,
unsigned channel_count,
unsigned options,
pjmedia_port **p_port )
{
const pj_str_t name = pj_str("stereo");
struct stereo_port *sport;
unsigned samples_per_frame;
/* Validate arguments. */
PJ_ASSERT_RETURN(pool && dn_port && channel_count && p_port, PJ_EINVAL);
/* Only supports 16bit samples per frame */
PJ_ASSERT_RETURN(PJMEDIA_PIA_BITS(&dn_port->info) == 16,
PJMEDIA_ENCBITS);
/* Validate channel counts */
PJ_ASSERT_RETURN(((PJMEDIA_PIA_CCNT(&dn_port->info)>1 &&
channel_count==1) ||
(PJMEDIA_PIA_CCNT(&dn_port->info)==1 &&
channel_count>1)),
PJ_EINVAL);
/* Create and initialize port. */
sport = PJ_POOL_ZALLOC_T(pool, struct stereo_port);
PJ_ASSERT_RETURN(sport != NULL, PJ_ENOMEM);
samples_per_frame = PJMEDIA_PIA_SPF(&dn_port->info) * channel_count /
PJMEDIA_PIA_CCNT(&dn_port->info);
pjmedia_port_info_init(&sport->base.info, &name, SIGNATURE,
PJMEDIA_PIA_SRATE(&dn_port->info),
channel_count,
PJMEDIA_PIA_BITS(&dn_port->info),
samples_per_frame);
sport->dn_port = dn_port;
sport->options = options;
/* We always need buffer for put_frame */
sport->put_buf = (pj_int16_t*)
pj_pool_alloc(pool,
PJMEDIA_PIA_AVG_FSZ(&dn_port->info));
/* See if we need buffer for get_frame */
if (PJMEDIA_PIA_CCNT(&dn_port->info) > channel_count) {
sport->get_buf = (pj_int16_t*)
pj_pool_alloc(pool,
PJMEDIA_PIA_AVG_FSZ(&dn_port->info));
}
/* Media port interface */
sport->base.get_frame = &stereo_get_frame;
sport->base.put_frame = &stereo_put_frame;
sport->base.on_destroy = &stereo_destroy;
/* Done */
*p_port = &sport->base;
return PJ_SUCCESS;
}
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pj_pool_t *pool;
pjmedia_conf *conf;
pjmedia_port *player_port1, *player_port2, *writer_port;
pjmedia_master_port *master_port;
unsigned slot1, slot2;
pj_status_t status;
char tmp[10];
slot1 = 1;
slot2 = 2;
pj_ssize_t len;
if (argc < 5) {
printf("Usage: %s <clock_rate> <player file 1> <player file 2> <mix file>\n", argv[0]);
exit(-1);
}
unsigned clock_rate = atoi(argv[1]);
// Initialialize
pj_init() ;
pj_caching_pool_init(&cp, NULL, 0);
pool = pj_pool_create(&cp.factory, "pool", 1000, 1000, NULL);
// Create player port
pjmedia_wav_player_port_create(pool, argv[2], 20, PJMEDIA_FILE_NO_LOOP, 0, &player_port1);
pjmedia_wav_player_port_create(pool, argv[3], 20, PJMEDIA_FILE_NO_LOOP, 0, &player_port2);
// Create the bridge
pjmedia_conf_create(pool, MAX_WAV+4, clock_rate, 1, clock_rate * PTIME / 1000, 16, PJMEDIA_CONF_NO_DEVICE, &conf);
pjmedia_conf_add_port(conf, pool, player_port2, NULL, &slot2);
pjmedia_conf_add_port(conf, pool, player_port1, NULL, &slot1);
pjmedia_conf_connect_port(conf, slot1, 0, 0);
pjmedia_conf_connect_port(conf, slot2, 0, 0);
pjmedia_port *port = pjmedia_conf_get_master_port(conf);
//Both ports MUST have equal clock rate, samples per frame and channel count
pjmedia_wav_writer_port_create(pool, argv[4],
PJMEDIA_PIA_SRATE(&port->info),
PJMEDIA_PIA_CCNT(&port->info),
PJMEDIA_PIA_SPF(&port->info),
PJMEDIA_PIA_BITS(&port->info),
0, 0, &writer_port);
pjmedia_master_port_create(pool, port, writer_port, 0, &master_port);
if (status != PJ_SUCCESS) {
return 1;
}
status = pjmedia_master_port_start(master_port);
pj_thread_sleep(5000);
/* Shutdown everything */
pjmedia_master_port_destroy(master_port, PJ_TRUE);
pj_pool_release(pool);
pj_caching_pool_destroy(&cp);
pj_shutdown();
return 0;
}
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *wav_play;
pjmedia_port *wav_rec;
pjmedia_port *wav_out;
pj_status_t status;
pjmedia_echo_state *ec;
pjmedia_frame play_frame, rec_frame;
unsigned opt = 0;
unsigned latency_ms = 25;
unsigned tail_ms = TAIL_LENGTH;
pj_timestamp t0, t1;
int i, repeat=1, interactive=0, c;
pj_optind = 0;
while ((c=pj_getopt(argc, argv, "d:l:a:r:i")) !=-1) {
switch (c) {
case 'd':
latency_ms = atoi(pj_optarg);
if (latency_ms < 25) {
puts("Invalid delay");
puts(desc);
}
break;
case 'l':
tail_ms = atoi(pj_optarg);
break;
case 'a':
{
int alg = atoi(pj_optarg);
switch (alg) {
case 0:
opt = 0;
case 1:
opt = PJMEDIA_ECHO_SPEEX;
break;
case 3:
opt = PJMEDIA_ECHO_SIMPLE;
break;
default:
puts("Invalid algorithm");
puts(desc);
return 1;
}
}
break;
case 'r':
repeat = atoi(pj_optarg);
if (repeat < 1) {
puts("Invalid repeat count");
puts(desc);
return 1;
}
break;
case 'i':
interactive = 1;
break;
}
}
if (argc - pj_optind != 3) {
puts("Error: missing argument(s)");
puts(desc);
return 1;
}
/* 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 */
);
/* Open wav_play */
status = pjmedia_wav_player_port_create(pool, argv[pj_optind], PTIME,
PJMEDIA_FILE_NO_LOOP, 0,
&wav_play);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error opening playback WAV file", status);
return 1;
}
/* Open recorded wav */
status = pjmedia_wav_player_port_create(pool, argv[pj_optind+1], PTIME,
PJMEDIA_FILE_NO_LOOP, 0,
&wav_rec);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error opening recorded WAV file", status);
return 1;
}
/* play and rec WAVs must have the same clock rate */
if (PJMEDIA_PIA_SRATE(&wav_play->info) != PJMEDIA_PIA_SRATE(&wav_rec->info)) {
puts("Error: clock rate mismatch in the WAV files");
return 1;
}
/* .. and channel count */
if (PJMEDIA_PIA_CCNT(&wav_play->info) != PJMEDIA_PIA_CCNT(&wav_rec->info)) {
puts("Error: clock rate mismatch in the WAV files");
return 1;
}
/* Create output wav */
status = pjmedia_wav_writer_port_create(pool, argv[pj_optind+2],
PJMEDIA_PIA_SRATE(&wav_play->info),
PJMEDIA_PIA_CCNT(&wav_play->info),
PJMEDIA_PIA_SPF(&wav_play->info),
PJMEDIA_PIA_BITS(&wav_play->info),
0, 0, &wav_out);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error opening output WAV file", status);
return 1;
}
/* Create echo canceller */
status = pjmedia_echo_create2(pool, PJMEDIA_PIA_SRATE(&wav_play->info),
PJMEDIA_PIA_CCNT(&wav_play->info),
PJMEDIA_PIA_SPF(&wav_play->info),
tail_ms, latency_ms,
opt, &ec);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error creating EC", status);
return 1;
}
/* Processing loop */
play_frame.buf = pj_pool_alloc(pool, PJMEDIA_PIA_SPF(&wav_play->info)<<1);
rec_frame.buf = pj_pool_alloc(pool, PJMEDIA_PIA_SPF(&wav_play->info)<<1);
pj_get_timestamp(&t0);
for (i=0; i < repeat; ++i) {
for (;;) {
play_frame.size = PJMEDIA_PIA_SPF(&wav_play->info) << 1;
status = pjmedia_port_get_frame(wav_play, &play_frame);
if (status != PJ_SUCCESS)
break;
status = pjmedia_echo_playback(ec, (short*)play_frame.buf);
rec_frame.size = PJMEDIA_PIA_SPF(&wav_play->info) << 1;
status = pjmedia_port_get_frame(wav_rec, &rec_frame);
if (status != PJ_SUCCESS)
break;
status = pjmedia_echo_capture(ec, (short*)rec_frame.buf, 0);
//status = pjmedia_echo_cancel(ec, (short*)rec_frame.buf,
// (short*)play_frame.buf, 0, NULL);
pjmedia_port_put_frame(wav_out, &rec_frame);
}
pjmedia_wav_player_port_set_pos(wav_play, 0);
pjmedia_wav_player_port_set_pos(wav_rec, 0);
}
pj_get_timestamp(&t1);
i = (int)pjmedia_wav_writer_port_get_pos(wav_out) / sizeof(pj_int16_t) * 1000 /
(PJMEDIA_PIA_SRATE(&wav_out->info) * PJMEDIA_PIA_CCNT(&wav_out->info));
PJ_LOG(3,(THIS_FILE, "Processed %3d.%03ds audio",
i / 1000, i % 1000));
PJ_LOG(3,(THIS_FILE, "Completed in %u msec\n", pj_elapsed_msec(&t0, &t1)));
/* Destroy file port(s) */
status = pjmedia_port_destroy( wav_play );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_port_destroy( wav_rec );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_port_destroy( wav_out );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy ec */
pjmedia_echo_destroy(ec);
/* 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();
if (interactive) {
char s[10], *dummy;
puts("ENTER to quit");
dummy = fgets(s, sizeof(s), stdin);
}
/* Done. */
return 0;
}
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *file_port;
pjmedia_snd_port *snd_port;
char tmp[10];
pj_status_t status;
if (argc != 2) {
puts("Error: filename required");
puts(desc);
return 1;
}
/* 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 WAV file */
status = pjmedia_wav_player_port_create( pool, /* memory pool */
argv[1], /* file to play */
20, /* ptime. */
0, /* flags */
0, /* default buffer */
&file_port/* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to use WAV file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_player(
pool, /* pool */
-1, /* use default dev. */
PJMEDIA_PIA_SRATE(&file_port->info),/* clock rate. */
PJMEDIA_PIA_CCNT(&file_port->info),/* # of channels. */
PJMEDIA_PIA_SPF(&file_port->info), /* samples per frame. */
PJMEDIA_PIA_BITS(&file_port->info),/* bits per sample. */
0, /* options */
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
/* Connect file port to the sound player.
* Stream playing will commence immediately.
*/
status = pjmedia_snd_port_connect( snd_port, file_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* File should be playing and looping now, using sound device's thread.
*/
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
printf("Playing %s..\n", argv[1]);
puts("");
puts("Press <ENTER> to stop playing and quit");
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
}
/* Start deinitialization: */
/* Disconnect sound port from file port */
status = pjmedia_snd_port_disconnect(snd_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Without this sleep, Windows/DirectSound will repeteadly
* play the last frame during destroy.
*/
pj_thread_sleep(100);
/* Destroy sound device */
status = pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy file port */
status = pjmedia_port_destroy( file_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;
}
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *rec_file_port = NULL, *play_file_port = NULL;
pjmedia_master_port *master_port = NULL;
pjmedia_snd_port *snd_port = NULL;
pjmedia_stream *stream = NULL;
pjmedia_port *stream_port;
char tmp[10];
pj_status_t status;
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
/* SRTP variables */
pj_bool_t use_srtp = PJ_FALSE;
char tmp_tx_key[64];
char tmp_rx_key[64];
pj_str_t srtp_tx_key = {NULL, 0};
pj_str_t srtp_rx_key = {NULL, 0};
pj_str_t srtp_crypto_suite = {NULL, 0};
int tmp_key_len;
#endif
/* Default values */
const pjmedia_codec_info *codec_info;
pjmedia_codec_param codec_param;
pjmedia_dir dir = PJMEDIA_DIR_DECODING;
pj_sockaddr_in remote_addr;
pj_uint16_t local_port = 4000;
char *codec_id = NULL;
char *rec_file = NULL;
char *play_file = NULL;
enum {
OPT_CODEC = 'c',
OPT_LOCAL_PORT = 'p',
OPT_REMOTE = 'r',
OPT_PLAY_FILE = 'w',
OPT_RECORD_FILE = 'R',
OPT_SEND_RECV = 'b',
OPT_SEND_ONLY = 's',
OPT_RECV_ONLY = 'i',
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
OPT_USE_SRTP = 'S',
#endif
OPT_SRTP_TX_KEY = 'x',
OPT_SRTP_RX_KEY = 'y',
OPT_HELP = 'h',
};
struct pj_getopt_option long_options[] = {
{ "codec", 1, 0, OPT_CODEC },
{ "local-port", 1, 0, OPT_LOCAL_PORT },
{ "remote", 1, 0, OPT_REMOTE },
{ "play-file", 1, 0, OPT_PLAY_FILE },
{ "record-file", 1, 0, OPT_RECORD_FILE },
{ "send-recv", 0, 0, OPT_SEND_RECV },
{ "send-only", 0, 0, OPT_SEND_ONLY },
{ "recv-only", 0, 0, OPT_RECV_ONLY },
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
{ "use-srtp", 2, 0, OPT_USE_SRTP },
{ "srtp-tx-key", 1, 0, OPT_SRTP_TX_KEY },
{ "srtp-rx-key", 1, 0, OPT_SRTP_RX_KEY },
#endif
{ "help", 0, 0, OPT_HELP },
{ NULL, 0, 0, 0 },
};
int c;
int option_index;
pj_bzero(&remote_addr, sizeof(remote_addr));
/* init PJLIB : */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Parse arguments */
pj_optind = 0;
while((c=pj_getopt_long(argc,argv, "h", long_options, &option_index))!=-1) {
switch (c) {
case OPT_CODEC:
codec_id = pj_optarg;
break;
case OPT_LOCAL_PORT:
local_port = (pj_uint16_t) atoi(pj_optarg);
if (local_port < 1) {
printf("Error: invalid local port %s\n", pj_optarg);
return 1;
}
break;
case OPT_REMOTE:
{
pj_str_t ip = pj_str(strtok(pj_optarg, ":"));
pj_uint16_t port = (pj_uint16_t) atoi(strtok(NULL, ":"));
status = pj_sockaddr_in_init(&remote_addr, &ip, port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Invalid remote address", status);
return 1;
}
}
break;
case OPT_PLAY_FILE:
play_file = pj_optarg;
break;
case OPT_RECORD_FILE:
rec_file = pj_optarg;
break;
case OPT_SEND_RECV:
dir = PJMEDIA_DIR_ENCODING_DECODING;
break;
case OPT_SEND_ONLY:
dir = PJMEDIA_DIR_ENCODING;
break;
case OPT_RECV_ONLY:
dir = PJMEDIA_DIR_DECODING;
break;
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
case OPT_USE_SRTP:
use_srtp = PJ_TRUE;
if (pj_optarg) {
pj_strset(&srtp_crypto_suite, pj_optarg, strlen(pj_optarg));
} else {
srtp_crypto_suite = pj_str("AES_CM_128_HMAC_SHA1_80");
}
break;
case OPT_SRTP_TX_KEY:
tmp_key_len = hex_string_to_octet_string(tmp_tx_key, pj_optarg,
(int)strlen(pj_optarg));
pj_strset(&srtp_tx_key, tmp_tx_key, tmp_key_len/2);
break;
case OPT_SRTP_RX_KEY:
tmp_key_len = hex_string_to_octet_string(tmp_rx_key, pj_optarg,
(int)strlen(pj_optarg));
pj_strset(&srtp_rx_key, tmp_rx_key, tmp_key_len/2);
break;
#endif
case OPT_HELP:
usage();
return 1;
default:
printf("Invalid options %s\n", argv[pj_optind]);
return 1;
}
}
/* Verify arguments. */
if (dir & PJMEDIA_DIR_ENCODING) {
if (remote_addr.sin_addr.s_addr == 0) {
printf("Error: remote address must be set\n");
return 1;
}
}
if (play_file != NULL && dir != PJMEDIA_DIR_ENCODING) {
printf("Direction is set to --send-only because of --play-file\n");
dir = PJMEDIA_DIR_ENCODING;
}
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
/* SRTP validation */
if (use_srtp) {
if (!srtp_tx_key.slen || !srtp_rx_key.slen)
{
printf("Error: Key for each SRTP stream direction must be set\n");
return 1;
}
}
#endif
/* 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 application purpose */
pool = pj_pool_create( &cp.factory, /* pool factory */
"app", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
/* Register all supported codecs */
status = init_codecs(med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Find which codec to use. */
if (codec_id) {
unsigned count = 1;
pj_str_t str_codec_id = pj_str(codec_id);
pjmedia_codec_mgr *codec_mgr = pjmedia_endpt_get_codec_mgr(med_endpt);
status = pjmedia_codec_mgr_find_codecs_by_id( codec_mgr,
&str_codec_id, &count,
&codec_info, NULL);
if (status != PJ_SUCCESS) {
printf("Error: unable to find codec %s\n", codec_id);
return 1;
}
} else {
/* Default to pcmu */
pjmedia_codec_mgr_get_codec_info( pjmedia_endpt_get_codec_mgr(med_endpt),
0, &codec_info);
}
/* Create stream based on program arguments */
status = create_stream(pool, med_endpt, codec_info, dir, local_port,
&remote_addr,
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
use_srtp, &srtp_crypto_suite,
&srtp_tx_key, &srtp_rx_key,
#endif
&stream);
if (status != PJ_SUCCESS)
goto on_exit;
/* Get codec default param for info */
status = pjmedia_codec_mgr_get_default_param(
pjmedia_endpt_get_codec_mgr(med_endpt),
codec_info,
&codec_param);
/* Should be ok, as create_stream() above succeeded */
pj_assert(status == PJ_SUCCESS);
/* Get the port interface of the stream */
status = pjmedia_stream_get_port( stream, &stream_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
if (play_file) {
unsigned wav_ptime;
wav_ptime = PJMEDIA_PIA_PTIME(&stream_port->info);
status = pjmedia_wav_player_port_create(pool, play_file, wav_ptime,
0, -1, &play_file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to use file", status);
goto on_exit;
}
status = pjmedia_master_port_create(pool, play_file_port, stream_port,
0, &master_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create master port", status);
goto on_exit;
}
status = pjmedia_master_port_start(master_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error starting master port", status);
goto on_exit;
}
printf("Playing from WAV file %s..\n", play_file);
} else if (rec_file) {
status = pjmedia_wav_writer_port_create(pool, rec_file,
PJMEDIA_PIA_SRATE(&stream_port->info),
PJMEDIA_PIA_CCNT(&stream_port->info),
PJMEDIA_PIA_SPF(&stream_port->info),
PJMEDIA_PIA_BITS(&stream_port->info),
0, 0, &rec_file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to use file", status);
goto on_exit;
}
status = pjmedia_master_port_create(pool, stream_port, rec_file_port,
0, &master_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create master port", status);
goto on_exit;
}
status = pjmedia_master_port_start(master_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error starting master port", status);
goto on_exit;
}
printf("Recording to WAV file %s..\n", rec_file);
} else {
/* Create sound device port. */
if (dir == PJMEDIA_DIR_ENCODING_DECODING)
status = pjmedia_snd_port_create(pool, -1, -1,
PJMEDIA_PIA_SRATE(&stream_port->info),
PJMEDIA_PIA_CCNT(&stream_port->info),
PJMEDIA_PIA_SPF(&stream_port->info),
PJMEDIA_PIA_BITS(&stream_port->info),
0, &snd_port);
else if (dir == PJMEDIA_DIR_ENCODING)
status = pjmedia_snd_port_create_rec(pool, -1,
PJMEDIA_PIA_SRATE(&stream_port->info),
PJMEDIA_PIA_CCNT(&stream_port->info),
PJMEDIA_PIA_SPF(&stream_port->info),
PJMEDIA_PIA_BITS(&stream_port->info),
0, &snd_port);
else
status = pjmedia_snd_port_create_player(pool, -1,
PJMEDIA_PIA_SRATE(&stream_port->info),
PJMEDIA_PIA_CCNT(&stream_port->info),
PJMEDIA_PIA_SPF(&stream_port->info),
PJMEDIA_PIA_BITS(&stream_port->info),
0, &snd_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create sound port", status);
goto on_exit;
}
/* Connect sound port to stream */
status = pjmedia_snd_port_connect( snd_port, stream_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Start streaming */
pjmedia_stream_start(stream);
/* Done */
if (dir == PJMEDIA_DIR_DECODING)
printf("Stream is active, dir is recv-only, local port is %d\n",
local_port);
else if (dir == PJMEDIA_DIR_ENCODING)
printf("Stream is active, dir is send-only, sending to %s:%d\n",
pj_inet_ntoa(remote_addr.sin_addr),
pj_ntohs(remote_addr.sin_port));
else
printf("Stream is active, send/recv, local port is %d, "
"sending to %s:%d\n",
local_port,
pj_inet_ntoa(remote_addr.sin_addr),
pj_ntohs(remote_addr.sin_port));
for (;;) {
puts("");
puts("Commands:");
puts(" s Display media statistics");
puts(" q Quit");
puts("");
printf("Command: "); fflush(stdout);
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
break;
}
if (tmp[0] == 's')
print_stream_stat(stream, &codec_param);
else if (tmp[0] == 'q')
break;
}
/* Start deinitialization: */
on_exit:
/* Destroy sound device */
if (snd_port) {
pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* If there is master port, then we just need to destroy master port
* (it will recursively destroy upstream and downstream ports, which
* in this case are file_port and stream_port).
*/
if (master_port) {
pjmedia_master_port_destroy(master_port, PJ_TRUE);
play_file_port = NULL;
stream = NULL;
}
/* Destroy stream */
if (stream) {
pjmedia_transport *tp;
tp = pjmedia_stream_get_transport(stream);
pjmedia_stream_destroy(stream);
pjmedia_transport_close(tp);
}
/* Destroy file ports */
if (play_file_port)
pjmedia_port_destroy( play_file_port );
if (rec_file_port)
pjmedia_port_destroy( rec_file_port );
/* 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();
return (status == PJ_SUCCESS) ? 0 : 1;
}
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *file_port = NULL;
pjmedia_port *stereo_port = NULL;
pjmedia_snd_port *snd_port = NULL;
int dev_id = -1;
char tmp[10];
pj_status_t status;
char *wav_file = NULL;
unsigned mode = 0;
unsigned rec_ch_cnt = 1;
unsigned snd_ch_cnt = 2;
enum {
OPT_MODE = 'm',
OPT_REC_CHANNEL = 'C',
OPT_SND_CHANNEL = 'c',
};
struct pj_getopt_option long_options[] = {
{ "mode", 1, 0, OPT_MODE },
{ "rec-ch-cnt", 1, 0, OPT_REC_CHANNEL },
{ "snd-ch-cnt", 1, 0, OPT_SND_CHANNEL },
{ NULL, 0, 0, 0 },
};
int c;
int option_index;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Parse arguments */
pj_optind = 0;
while((c=pj_getopt_long(argc,argv, "m:C:c:", long_options, &option_index))!=-1) {
switch (c) {
case OPT_MODE:
if (mode) {
app_perror(THIS_FILE, "Cannot record and play at once!",
PJ_EINVAL);
return 1;
}
mode = atoi(pj_optarg);
break;
case OPT_REC_CHANNEL:
rec_ch_cnt = atoi(pj_optarg);
break;
case OPT_SND_CHANNEL:
snd_ch_cnt = atoi(pj_optarg);
break;
default:
printf("Invalid options %s\n", argv[pj_optind]);
puts(desc);
return 1;
}
}
wav_file = argv[pj_optind];
/* Verify arguments. */
if (!wav_file) {
app_perror(THIS_FILE, "WAV file not specified!", PJ_EINVAL);
puts(desc);
return 1;
}
if (!snd_ch_cnt || !rec_ch_cnt || rec_ch_cnt > 6) {
app_perror(THIS_FILE, "Invalid or too many channel count!", PJ_EINVAL);
puts(desc);
return 1;
}
if (mode != MODE_RECORD && mode != MODE_PLAY) {
app_perror(THIS_FILE, "Invalid operation mode!", PJ_EINVAL);
puts(desc);
return 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 */
"app", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
if (mode == MODE_PLAY) {
/* Create WAVE file player port. */
status = pjmedia_wav_player_port_create( pool, wav_file, PTIME, 0,
0, &file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_player(
pool, /* pool */
dev_id, /* device id. */
PJMEDIA_PIA_SRATE(&file_port->info),/* clock rate. */
snd_ch_cnt, /* # of channels. */
snd_ch_cnt * PTIME * /* samples per frame. */
PJMEDIA_PIA_SRATE(&file_port->info) / 1000,
PJMEDIA_PIA_BITS(&file_port->info),/* bits per sample. */
0, /* options */
15,
5,
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
if (snd_ch_cnt != PJMEDIA_PIA_CCNT(&file_port->info)) {
status = pjmedia_stereo_port_create( pool,
file_port,
snd_ch_cnt,
0,
&stereo_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create stereo port", status);
return 1;
}
status = pjmedia_snd_port_connect(snd_port, stereo_port);
} else {
status = pjmedia_snd_port_connect(snd_port, file_port);
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect sound port", status);
return 1;
}
} else {
/* Create WAVE file writer port. */
status = pjmedia_wav_writer_port_create(pool, wav_file,
REC_CLOCK_RATE,
rec_ch_cnt,
rec_ch_cnt * PTIME *
REC_CLOCK_RATE / 1000,
NBITS,
0, 0,
&file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_rec(
pool, /* pool */
dev_id, /* device id. */
REC_CLOCK_RATE, /* clock rate. */
snd_ch_cnt, /* # of channels. */
snd_ch_cnt * PTIME *
REC_CLOCK_RATE / 1000, /* samples per frame. */
NBITS, /* bits per sample. */
0, /* options */
15,
5,
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
if (rec_ch_cnt != snd_ch_cnt) {
status = pjmedia_stereo_port_create( pool,
file_port,
snd_ch_cnt,
0,
&stereo_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create stereo port", status);
return 1;
}
status = pjmedia_snd_port_connect(snd_port, stereo_port);
} else {
status = pjmedia_snd_port_connect(snd_port, file_port);
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect sound port", status);
return 1;
}
}
/* Dump memory usage */
dump_pool_usage(THIS_FILE, &cp);
/*
* File should be playing and looping now, using sound device's thread.
*/
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
printf("Mode = %s\n", (mode == MODE_PLAY? "playing" : "recording") );
printf("File port channel count = %d\n", PJMEDIA_PIA_CCNT(&file_port->info));
printf("Sound port channel count = %d\n",
PJMEDIA_PIA_CCNT(&pjmedia_snd_port_get_port(snd_port)->info));
puts("");
puts("Press <ENTER> to stop and quit");
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
}
/* Start deinitialization: */
/* Destroy sound device */
status = pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy stereo port and file_port.
* Stereo port will destroy all downstream ports (e.g. the file port)
*/
status = pjmedia_port_destroy( stereo_port? stereo_port : file_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;
}
/*
* "Write" a multichannel frame downstream. This would split
* the multichannel frame into individual mono channel, and write
* it to the appropriate port.
*/
static pj_status_t put_frame(pjmedia_port *this_port,
pjmedia_frame *frame)
{
struct splitcomb *sc = (struct splitcomb*) this_port;
unsigned ch;
/* Handle null frame */
if (frame->type == PJMEDIA_FRAME_TYPE_NONE) {
for (ch=0; ch < PJMEDIA_PIA_CCNT(&this_port->info); ++ch) {
pjmedia_port *port = sc->port_desc[ch].port;
if (!port) continue;
if (!sc->port_desc[ch].reversed) {
pjmedia_port_put_frame(port, frame);
} else {
struct reverse_port *rport = (struct reverse_port*)port;
/* Update the number of NULL frames received. Once we have too
* many of this, we'll stop calling op_update() to let the
* media be suspended.
*/
if (++rport->buf[DIR_DOWNSTREAM].null_cnt >
rport->max_null_frames)
{
/* Prevent the counter from overflowing and resetting
* back to zero
*/
rport->buf[DIR_DOWNSTREAM].null_cnt =
rport->max_null_frames + 1;
continue;
}
/* Write zero port to delaybuf so that it doesn't underflow.
* If we don't do this, get_frame() on this direction will
* cause delaybuf to generate missing frame and the last
* frame transmitted to delaybuf will be replayed multiple
* times, which doesn't sound good.
*/
/* Update rport state. */
op_update(rport, DIR_DOWNSTREAM, OP_PUT);
/* Discard frame if rport is paused on this direction */
if (rport->buf[DIR_DOWNSTREAM].paused)
continue;
/* Generate zero frame. */
pjmedia_zero_samples(sc->put_buf,
PJMEDIA_PIA_SPF(&port->info));
/* Put frame to delay buffer */
pjmedia_delay_buf_put(rport->buf[DIR_DOWNSTREAM].dbuf,
sc->put_buf);
}
}
return PJ_SUCCESS;
}
/* Not sure how we would handle partial frame, so better reject
* it for now.
*/
PJ_ASSERT_RETURN(frame->size == PJMEDIA_PIA_AVG_FSZ(&this_port->info),
PJ_EINVAL);
/*
* Write mono frame into each channels
*/
for (ch=0; ch < PJMEDIA_PIA_CCNT(&this_port->info); ++ch) {
pjmedia_port *port = sc->port_desc[ch].port;
if (!port)
continue;
/* Extract the mono frame to temporary buffer */
extract_mono_frame((const pj_int16_t*)frame->buf, sc->put_buf, ch,
PJMEDIA_PIA_CCNT(&this_port->info),
(unsigned)frame->size * 8 /
PJMEDIA_PIA_BITS(&this_port->info) /
PJMEDIA_PIA_CCNT(&this_port->info));
if (!sc->port_desc[ch].reversed) {
/* Write to normal port */
pjmedia_frame mono_frame;
mono_frame.buf = sc->put_buf;
mono_frame.size = frame->size / PJMEDIA_PIA_CCNT(&this_port->info);
mono_frame.type = frame->type;
mono_frame.timestamp.u64 = frame->timestamp.u64;
/* Write */
pjmedia_port_put_frame(port, &mono_frame);
} else {
/* Write to reversed phase port */
struct reverse_port *rport = (struct reverse_port*)port;
/* Reset NULL frame counter */
rport->buf[DIR_DOWNSTREAM].null_cnt = 0;
/* Update rport state. */
op_update(rport, DIR_DOWNSTREAM, OP_PUT);
if (!rport->buf[DIR_DOWNSTREAM].paused) {
pjmedia_delay_buf_put(rport->buf[DIR_DOWNSTREAM].dbuf,
sc->put_buf);
}
}
}
return PJ_SUCCESS;
}
static pj_status_t test_init(void)
{
struct stream_cfg strm_cfg;
pj_status_t status;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&g_app.cp, &pj_pool_factory_default_policy, 0);
/* Pool */
g_app.pool = pj_pool_create(&g_app.cp.factory, "g_app", 512, 512, NULL);
/* Log file */
if (g_app.cfg.log_file) {
status = pj_file_open(g_app.pool, g_app.cfg.log_file,
PJ_O_WRONLY,
&g_app.log_fd);
if (status != PJ_SUCCESS) {
jbsim_perror("Error writing output file", status);
goto on_error;
}
pj_log_set_decor(PJ_LOG_HAS_SENDER | PJ_LOG_HAS_COLOR | PJ_LOG_HAS_LEVEL_TEXT);
pj_log_set_log_func(&log_cb);
}
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
status = pjmedia_endpt_create(&g_app.cp.factory, NULL, 0, &g_app.endpt);
if (status != PJ_SUCCESS) {
jbsim_perror("Error creating media endpoint", status);
goto on_error;
}
/* Register codecs */
pjmedia_codec_register_audio_codecs(g_app.endpt, NULL);
/* Create the loop transport */
status = pjmedia_transport_loop_create(g_app.endpt, &g_app.loop);
if (status != PJ_SUCCESS) {
jbsim_perror("Error creating loop transport", status);
goto on_error;
}
/* Create transmitter stream */
pj_bzero(&strm_cfg, sizeof(strm_cfg));
strm_cfg.name = "tx";
strm_cfg.dir = PJMEDIA_DIR_ENCODING;
strm_cfg.codec = g_app.cfg.codec;
strm_cfg.ptime = g_app.cfg.tx_ptime;
strm_cfg.dtx = g_app.cfg.tx_dtx;
strm_cfg.plc = PJ_TRUE;
status = stream_init(&strm_cfg, &g_app.tx);
if (status != PJ_SUCCESS)
goto on_error;
/* Create transmitter WAV */
status = pjmedia_wav_player_port_create(g_app.pool,
g_app.cfg.tx_wav_in,
g_app.cfg.tx_ptime,
0,
0,
&g_app.tx_wav);
if (status != PJ_SUCCESS) {
jbsim_perror("Error reading input WAV file", status);
goto on_error;
}
/* Make sure stream and WAV parameters match */
if (PJMEDIA_PIA_SRATE(&g_app.tx_wav->info) != PJMEDIA_PIA_SRATE(&g_app.tx->port->info) ||
PJMEDIA_PIA_CCNT(&g_app.tx_wav->info) != PJMEDIA_PIA_CCNT(&g_app.tx->port->info))
{
jbsim_perror("Error: Input WAV file has different clock rate "
"or number of channels than the codec", PJ_SUCCESS);
goto on_error;
}
/* Create receiver */
pj_bzero(&strm_cfg, sizeof(strm_cfg));
strm_cfg.name = "rx";
strm_cfg.dir = PJMEDIA_DIR_DECODING;
strm_cfg.codec = g_app.cfg.codec;
strm_cfg.ptime = g_app.cfg.rx_ptime;
strm_cfg.dtx = PJ_TRUE;
strm_cfg.plc = g_app.cfg.rx_plc;
status = stream_init(&strm_cfg, &g_app.rx);
if (status != PJ_SUCCESS)
goto on_error;
/* Create receiver WAV */
status = pjmedia_wav_writer_port_create(g_app.pool,
g_app.cfg.rx_wav_out,
PJMEDIA_PIA_SRATE(&g_app.rx->port->info),
PJMEDIA_PIA_CCNT(&g_app.rx->port->info),
PJMEDIA_PIA_SPF(&g_app.rx->port->info),
PJMEDIA_PIA_BITS(&g_app.rx->port->info),
0,
0,
&g_app.rx_wav);
if (status != PJ_SUCCESS) {
jbsim_perror("Error creating output WAV file", status);
goto on_error;
}
/* Frame buffer */
g_app.framebuf = (pj_int16_t*)
pj_pool_alloc(g_app.pool,
MAX(PJMEDIA_PIA_SPF(&g_app.rx->port->info),
PJMEDIA_PIA_SPF(&g_app.tx->port->info)) * sizeof(pj_int16_t));
/* Set the receiver in the loop transport */
pjmedia_transport_loop_disable_rx(g_app.loop, g_app.tx->strm, PJ_TRUE);
/* Done */
return PJ_SUCCESS;
on_error:
test_destroy();
return status;
}