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;
}
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pj_status_t status;
/* Codec */
char *codec_id = (char*)"H264";
const pjmedia_vid_codec_info *codec_info;
pjmedia_vid_codec_param codec_param;
pjmedia_vid_codec *codec = NULL;
//const char *save_filename =
// "/home/bennylp/Desktop/opt/src/openh264-svn/testbin/test.264";
const char *save_filename = NULL;
/* File */
enum
{
WIDTH = 320,
HEIGHT = 192,
FPS = 12,
YUV_SIZE = WIDTH * HEIGHT * 3 >> 1,
YUV_BUF_SIZE = YUV_SIZE + WIDTH,
MAX_FRAMES = 32,
MTU = 1500
};
FILE *fyuv = NULL;
FILE *f264 = NULL;
typedef pj_uint8_t enc_buf_type[MTU];
pj_uint8_t yuv_frame[YUV_BUF_SIZE];
enc_buf_type enc_buf[MAX_FRAMES];
unsigned read_cnt = 0,
pkt_cnt = 0,
dec_cnt = 0,
enc_cnt;
if (0) {
diff_file();
return 1;
}
/* init PJLIB : */
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. */
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 */
);
/* Init video format manager */
pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
/* Init video converter manager */
pjmedia_converter_mgr_create(pool, NULL);
/* Init event manager */
pjmedia_event_mgr_create(pool, 0, NULL);
/* Init video codec manager */
pjmedia_vid_codec_mgr_create(pool, NULL);
/* Register all supported codecs */
status = init_codecs(&cp.factory);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Open YUV file */
fyuv = fopen("pjsip-apps/bin/CiscoVT2people_320x192_12fps.yuv", "rb");
if (!fyuv) {
puts("Unable to open ../CiscoVT2people_320x192_12fps.yuv");
status = -1;
goto on_exit;
}
/* Write 264 file if wanted */
if (save_filename) {
f264 = fopen(save_filename, "wb");
}
/* Find which codec to use. */
if (codec_id) {
unsigned count = 1;
pj_str_t str_codec_id = pj_str(codec_id);
status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL,
&str_codec_id, &count,
&codec_info, NULL);
if (status != PJ_SUCCESS) {
printf("Error: unable to find codec %s\n", codec_id);
return 1;
}
} else {
static pjmedia_vid_codec_info info[1];
unsigned count = PJ_ARRAY_SIZE(info);
/* Default to first codec */
pjmedia_vid_codec_mgr_enum_codecs(NULL, &count, info, NULL);
codec_info = &info[0];
}
/* Get codec default param for info */
status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
&codec_param);
pj_assert(status == PJ_SUCCESS);
/* Alloc encoder */
status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info, &codec);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Error allocating codec"));
goto on_exit;
}
codec_param.dir = PJMEDIA_DIR_ENCODING_DECODING;
codec_param.packing = PJMEDIA_VID_PACKING_PACKETS;
codec_param.enc_mtu = MTU;
codec_param.enc_fmt.det.vid.size.w = WIDTH;
codec_param.enc_fmt.det.vid.size.h = HEIGHT;
codec_param.enc_fmt.det.vid.fps.num = FPS;
codec_param.enc_fmt.det.vid.avg_bps = WIDTH * HEIGHT * FPS;
status = pjmedia_vid_codec_init(codec, pool);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Error initializing codec"));
goto on_exit;
}
status = pjmedia_vid_codec_open(codec, &codec_param);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Error opening codec"));
goto on_exit;
}
while (fread(yuv_frame, 1, YUV_SIZE, fyuv) == YUV_SIZE) {
pjmedia_frame frm_yuv, frm_enc[MAX_FRAMES];
pj_bool_t has_more = PJ_FALSE;
const pj_uint8_t start_nal[] = { 0, 0, 1 };
unsigned i;
++ read_cnt;
pj_bzero(&frm_enc, sizeof(frm_enc));
pj_bzero(&frm_yuv, sizeof(frm_yuv));
frm_yuv.buf = yuv_frame;
frm_yuv.size = YUV_SIZE;
enc_cnt = 0;
frm_enc[enc_cnt].buf = enc_buf[enc_cnt];
frm_enc[enc_cnt].size = MTU;
status = pjmedia_vid_codec_encode_begin(codec, NULL, &frm_yuv,
MTU, &frm_enc[enc_cnt],
&has_more);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Codec encode error"));
goto on_exit;
}
if (frm_enc[enc_cnt].size) {
if (f264) {
fwrite(start_nal, 1, sizeof(start_nal), f264);
fwrite(frm_enc[enc_cnt].buf, 1, frm_enc[enc_cnt].size, f264);
}
++pkt_cnt;
++enc_cnt;
}
while (has_more) {
if (enc_cnt >= MAX_FRAMES) {
status = -1;
puts("Error: too many encoded frames");
goto on_exit;
}
has_more = PJ_FALSE;
frm_enc[enc_cnt].buf = enc_buf[enc_cnt];
frm_enc[enc_cnt].size = MTU;
status = pjmedia_vid_codec_encode_more(codec, MTU,
&frm_enc[enc_cnt],
&has_more);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Codec encode error"));
goto on_exit;
}
if (frm_enc[enc_cnt].size) {
if (f264) {
fwrite(start_nal, 1, sizeof(start_nal), f264);
fwrite(frm_enc[enc_cnt].buf, 1, frm_enc[enc_cnt].size,
f264);
}
++pkt_cnt;
++enc_cnt;
}
}
if (enc_cnt) {
frm_yuv.buf = yuv_frame;
frm_yuv.size = YUV_BUF_SIZE;
status = pjmedia_vid_codec_decode(codec, enc_cnt,
frm_enc,
YUV_BUF_SIZE,
&frm_yuv);
if (status != PJ_SUCCESS) {
PJ_PERROR(3,(THIS_FILE, status, "Codec decode error"));
goto on_exit;
}
if (frm_yuv.size != 0) {
++dec_cnt;
}
}
}
printf("Done.\n"
" Read YUV frames: %d\n"
" Encoded packets: %d\n"
" Decoded YUV frames: %d\n",
read_cnt, pkt_cnt, dec_cnt);
/* Start deinitialization: */
on_exit:
if (codec) {
pjmedia_vid_codec_close(codec);
pjmedia_vid_codec_mgr_dealloc_codec(NULL, codec);
}
if (f264)
fclose(f264);
if (fyuv)
fclose(fyuv);
/* Deinit codecs */
deinit_codecs();
/* Destroy event manager */
pjmedia_event_mgr_destroy(NULL);
/* 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;
}
#else
int main(int argc, char *argv[])
{
PJ_UNUSED_ARG(argc);
PJ_UNUSED_ARG(argv);
puts("Error: this sample requires video capability "
"(PJMEDIA_HAS_VIDEO == 1)");
return -1;
}
/*
* main()
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_vid_stream *stream = NULL;
pjmedia_port *enc_port, *dec_port;
pj_status_t status;
pjmedia_vid_port *capture=NULL, *renderer=NULL;
pjmedia_vid_port_param vpp;
#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_vid_codec_info *codec_info;
pjmedia_vid_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;
pjmedia_rect_size tx_size = {0};
pj_int8_t rx_pt = -1, tx_pt = -1;
play_file_data play_file = { NULL };
pjmedia_port *play_port = NULL;
pjmedia_vid_codec *play_decoder = NULL;
pjmedia_clock *play_clock = NULL;
enum {
OPT_CODEC = 'c',
OPT_LOCAL_PORT = 'p',
OPT_REMOTE = 'r',
OPT_PLAY_FILE = 'f',
OPT_SEND_RECV = 'b',
OPT_SEND_ONLY = 's',
OPT_RECV_ONLY = 'i',
OPT_SEND_WIDTH = 'W',
OPT_SEND_HEIGHT = 'H',
OPT_RECV_PT = 't',
OPT_SEND_PT = 'T',
#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 },
{ "send-recv", 0, 0, OPT_SEND_RECV },
{ "send-only", 0, 0, OPT_SEND_ONLY },
{ "recv-only", 0, 0, OPT_RECV_ONLY },
{ "send-width", 1, 0, OPT_SEND_WIDTH },
{ "send-height", 1, 0, OPT_SEND_HEIGHT },
{ "recv-pt", 1, 0, OPT_RECV_PT },
{ "send-pt", 1, 0, OPT_SEND_PT },
#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.file_name = 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;
case OPT_SEND_WIDTH:
tx_size.w = (unsigned)atoi(pj_optarg);
break;
case OPT_SEND_HEIGHT:
tx_size.h = (unsigned)atoi(pj_optarg);
break;
case OPT_RECV_PT:
rx_pt = (pj_int8_t)atoi(pj_optarg);
break;
case OPT_SEND_PT:
tx_pt = (pj_int8_t)atoi(pj_optarg);
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,
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,
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.file_name != 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 */
);
/* Init video format manager */
pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
/* Init video converter manager */
pjmedia_converter_mgr_create(pool, NULL);
/* Init event manager */
pjmedia_event_mgr_create(pool, 0, NULL);
/* Init video codec manager */
pjmedia_vid_codec_mgr_create(pool, NULL);
/* Init video subsystem */
pjmedia_vid_dev_subsys_init(&cp.factory);
/* Register all supported codecs */
status = init_codecs(&cp.factory);
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);
status = pjmedia_vid_codec_mgr_find_codecs_by_id(NULL,
&str_codec_id, &count,
&codec_info, NULL);
if (status != PJ_SUCCESS) {
printf("Error: unable to find codec %s\n", codec_id);
return 1;
}
} else {
static pjmedia_vid_codec_info info[1];
unsigned count = PJ_ARRAY_SIZE(info);
/* Default to first codec */
pjmedia_vid_codec_mgr_enum_codecs(NULL, &count, info, NULL);
codec_info = &info[0];
}
/* Get codec default param for info */
status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info,
&codec_param);
pj_assert(status == PJ_SUCCESS);
/* Set outgoing video size */
if (tx_size.w && tx_size.h)
codec_param.enc_fmt.det.vid.size = tx_size;
#if DEF_RENDERER_WIDTH && DEF_RENDERER_HEIGHT
/* Set incoming video size */
if (DEF_RENDERER_WIDTH > codec_param.dec_fmt.det.vid.size.w)
codec_param.dec_fmt.det.vid.size.w = DEF_RENDERER_WIDTH;
if (DEF_RENDERER_HEIGHT > codec_param.dec_fmt.det.vid.size.h)
codec_param.dec_fmt.det.vid.size.h = DEF_RENDERER_HEIGHT;
#endif
if (play_file.file_name) {
pjmedia_video_format_detail *file_vfd;
pjmedia_clock_param clock_param;
char fmt_name[5];
/* Create file player */
status = create_file_player(pool, play_file.file_name, &play_port);
if (status != PJ_SUCCESS)
goto on_exit;
/* Collect format info */
file_vfd = pjmedia_format_get_video_format_detail(&play_port->info.fmt,
PJ_TRUE);
PJ_LOG(2, (THIS_FILE, "Reading video stream %dx%d %s @%.2ffps",
file_vfd->size.w, file_vfd->size.h,
pjmedia_fourcc_name(play_port->info.fmt.id, fmt_name),
(1.0*file_vfd->fps.num/file_vfd->fps.denum)));
/* Allocate file read buffer */
play_file.read_buf_size = PJMEDIA_MAX_VIDEO_ENC_FRAME_SIZE;
play_file.read_buf = pj_pool_zalloc(pool, play_file.read_buf_size);
/* Create decoder, if the file and the stream uses different codec */
if (codec_info->fmt_id != (pjmedia_format_id)play_port->info.fmt.id) {
const pjmedia_video_format_info *dec_vfi;
pjmedia_video_apply_fmt_param dec_vafp = {0};
const pjmedia_vid_codec_info *codec_info2;
pjmedia_vid_codec_param codec_param2;
/* Find decoder */
status = pjmedia_vid_codec_mgr_get_codec_info2(NULL,
play_port->info.fmt.id,
&codec_info2);
if (status != PJ_SUCCESS)
goto on_exit;
/* Init decoder */
status = pjmedia_vid_codec_mgr_alloc_codec(NULL, codec_info2,
&play_decoder);
if (status != PJ_SUCCESS)
goto on_exit;
status = play_decoder->op->init(play_decoder, pool);
if (status != PJ_SUCCESS)
goto on_exit;
/* Open decoder */
status = pjmedia_vid_codec_mgr_get_default_param(NULL, codec_info2,
&codec_param2);
if (status != PJ_SUCCESS)
goto on_exit;
codec_param2.dir = PJMEDIA_DIR_DECODING;
status = play_decoder->op->open(play_decoder, &codec_param2);
if (status != PJ_SUCCESS)
goto on_exit;
/* Get decoder format info and apply param */
dec_vfi = pjmedia_get_video_format_info(NULL,
codec_info2->dec_fmt_id[0]);
if (!dec_vfi || !dec_vfi->apply_fmt) {
status = PJ_ENOTSUP;
goto on_exit;
}
dec_vafp.size = file_vfd->size;
(*dec_vfi->apply_fmt)(dec_vfi, &dec_vafp);
/* Allocate buffer to receive decoder output */
play_file.dec_buf_size = dec_vafp.framebytes;
play_file.dec_buf = pj_pool_zalloc(pool, play_file.dec_buf_size);
}
/* Create player clock */
clock_param.usec_interval = PJMEDIA_PTIME(&file_vfd->fps);
clock_param.clock_rate = codec_info->clock_rate;
status = pjmedia_clock_create2(pool, &clock_param,
PJMEDIA_CLOCK_NO_HIGHEST_PRIO,
&clock_cb, &play_file, &play_clock);
if (status != PJ_SUCCESS)
goto on_exit;
/* Override stream codec param for encoding direction */
codec_param.enc_fmt.det.vid.size = file_vfd->size;
codec_param.enc_fmt.det.vid.fps = file_vfd->fps;
} else {
pjmedia_vid_port_param_default(&vpp);
/* Set as active for all video devices */
vpp.active = PJ_TRUE;
/* Create video device port. */
if (dir & PJMEDIA_DIR_ENCODING) {
/* Create capture */
status = pjmedia_vid_dev_default_param(
pool,
PJMEDIA_VID_DEFAULT_CAPTURE_DEV,
&vpp.vidparam);
if (status != PJ_SUCCESS)
goto on_exit;
pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.enc_fmt);
vpp.vidparam.fmt.id = codec_param.dec_fmt.id;
vpp.vidparam.dir = PJMEDIA_DIR_CAPTURE;
status = pjmedia_vid_port_create(pool, &vpp, &capture);
if (status != PJ_SUCCESS)
goto on_exit;
}
if (dir & PJMEDIA_DIR_DECODING) {
/* Create renderer */
status = pjmedia_vid_dev_default_param(
pool,
PJMEDIA_VID_DEFAULT_RENDER_DEV,
&vpp.vidparam);
if (status != PJ_SUCCESS)
goto on_exit;
pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.dec_fmt);
vpp.vidparam.dir = PJMEDIA_DIR_RENDER;
vpp.vidparam.disp_size = vpp.vidparam.fmt.det.vid.size;
vpp.vidparam.flags |= PJMEDIA_VID_DEV_CAP_OUTPUT_WINDOW_FLAGS;
vpp.vidparam.window_flags = PJMEDIA_VID_DEV_WND_BORDER |
PJMEDIA_VID_DEV_WND_RESIZABLE;
status = pjmedia_vid_port_create(pool, &vpp, &renderer);
if (status != PJ_SUCCESS)
goto on_exit;
}
}
/* Set to ignore fmtp */
codec_param.ignore_fmtp = PJ_TRUE;
/* Create stream based on program arguments */
status = create_stream(pool, med_endpt, codec_info, &codec_param,
dir, rx_pt, tx_pt, 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 the port interface of the stream */
status = pjmedia_vid_stream_get_port(stream, PJMEDIA_DIR_ENCODING,
&enc_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_vid_stream_get_port(stream, PJMEDIA_DIR_DECODING,
&dec_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Start streaming */
status = pjmedia_vid_stream_start(stream);
if (status != PJ_SUCCESS)
goto on_exit;
/* Start renderer */
if (renderer) {
status = pjmedia_vid_port_connect(renderer, dec_port, PJ_FALSE);
if (status != PJ_SUCCESS)
goto on_exit;
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS)
goto on_exit;
}
/* Start capture */
if (capture) {
status = pjmedia_vid_port_connect(capture, enc_port, PJ_FALSE);
if (status != PJ_SUCCESS)
goto on_exit;
status = pjmedia_vid_port_start(capture);
if (status != PJ_SUCCESS)
goto on_exit;
}
/* Start playing file */
if (play_file.file_name) {
#if HAS_LOCAL_RENDERER_FOR_PLAY_FILE
/* Create local renderer */
pjmedia_vid_port_param_default(&vpp);
vpp.active = PJ_FALSE;
status = pjmedia_vid_dev_default_param(
pool,
PJMEDIA_VID_DEFAULT_RENDER_DEV,
&vpp.vidparam);
if (status != PJ_SUCCESS)
goto on_exit;
vpp.vidparam.dir = PJMEDIA_DIR_RENDER;
pjmedia_format_copy(&vpp.vidparam.fmt, &codec_param.dec_fmt);
vpp.vidparam.fmt.det.vid.size = play_port->info.fmt.det.vid.size;
vpp.vidparam.fmt.det.vid.fps = play_port->info.fmt.det.vid.fps;
vpp.vidparam.disp_size = vpp.vidparam.fmt.det.vid.size;
status = pjmedia_vid_port_create(pool, &vpp, &renderer);
if (status != PJ_SUCCESS)
goto on_exit;
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS)
goto on_exit;
#endif
/* Init play file data */
play_file.play_port = play_port;
play_file.stream_port = enc_port;
play_file.decoder = play_decoder;
if (renderer) {
play_file.renderer = pjmedia_vid_port_get_passive_port(renderer);
}
status = pjmedia_clock_start(play_clock);
if (status != PJ_SUCCESS)
goto on_exit;
}
/* 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));
if (dir & PJMEDIA_DIR_ENCODING)
PJ_LOG(2, (THIS_FILE, "Sending %dx%d %.*s @%.2ffps",
codec_param.enc_fmt.det.vid.size.w,
codec_param.enc_fmt.det.vid.size.h,
codec_info->encoding_name.slen,
codec_info->encoding_name.ptr,
(1.0*codec_param.enc_fmt.det.vid.fps.num/
codec_param.enc_fmt.det.vid.fps.denum)));
for (;;) {
char tmp[10];
puts("");
puts("Commands:");
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] == 'q')
break;
}
/* Start deinitialization: */
on_exit:
/* Stop and destroy file clock */
if (play_clock) {
pjmedia_clock_stop(play_clock);
pjmedia_clock_destroy(play_clock);
}
/* Destroy file reader/player */
if (play_port)
pjmedia_port_destroy(play_port);
/* Destroy file decoder */
if (play_decoder) {
play_decoder->op->close(play_decoder);
pjmedia_vid_codec_mgr_dealloc_codec(NULL, play_decoder);
}
/* Destroy video devices */
if (capture)
pjmedia_vid_port_destroy(capture);
if (renderer)
pjmedia_vid_port_destroy(renderer);
/* Destroy stream */
if (stream) {
pjmedia_transport *tp;
tp = pjmedia_vid_stream_get_transport(stream);
pjmedia_vid_stream_destroy(stream);
pjmedia_transport_close(tp);
}
/* Deinit codecs */
deinit_codecs();
/* Shutdown video subsystem */
pjmedia_vid_dev_subsys_shutdown();
/* Destroy event manager */
pjmedia_event_mgr_destroy(NULL);
/* 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;
}
static int encode_decode_test(pj_pool_t *pool, const char *codec_id,
pjmedia_vid_packing packing)
{
const pj_str_t port_name = {"codec", 5};
pjmedia_vid_codec *codec=NULL;
pjmedia_port codec_port;
codec_port_data_t codec_port_data;
pjmedia_vid_codec_param codec_param;
const pjmedia_vid_codec_info *codec_info;
const char *packing_name;
pjmedia_vid_dev_index cap_idx, rdr_idx;
pjmedia_vid_port *capture=NULL, *renderer=NULL;
pjmedia_vid_port_param vport_param;
pjmedia_video_format_detail *vfd;
char codec_name[5];
pj_status_t status;
int rc = 0;
switch (packing) {
case PJMEDIA_VID_PACKING_PACKETS:
packing_name = "framed";
break;
case PJMEDIA_VID_PACKING_WHOLE:
packing_name = "whole";
break;
default:
packing_name = "unknown";
break;
}
PJ_LOG(3, (THIS_FILE, " encode decode test: codec=%s, packing=%s",
codec_id, packing_name));
/* Lookup codec */
{
pj_str_t codec_id_st;
unsigned info_cnt = 1;
/* Lookup codec */
pj_cstr(&codec_id_st, 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 = 205;
goto on_return;
}
}
#if CAPTURE_DEV == -1
/* Lookup colorbar source */
status = pjmedia_vid_dev_lookup("Colorbar", "Colorbar generator", &cap_idx);
if (status != PJ_SUCCESS) {
rc = 206;
goto on_return;
}
#elif CAPTURE_DEV == -2
/* Lookup any first non-colorbar source */
{
unsigned i, cnt;
pjmedia_vid_dev_info info;
cap_idx = -1;
cnt = pjmedia_vid_dev_count();
for (i = 0; i < cnt; ++i) {
status = pjmedia_vid_dev_get_info(i, &info);
if (status != PJ_SUCCESS) {
rc = 206;
goto on_return;
}
if (info.dir & PJMEDIA_DIR_CAPTURE &&
pj_ansi_stricmp(info.driver, "Colorbar"))
{
cap_idx = i;
break;
}
}
if (cap_idx == -1) {
status = PJ_ENOTFOUND;
rc = 206;
goto on_return;
}
}
#else
cap_idx = CAPTURE_DEV;
#endif
/* Lookup SDL renderer */
status = pjmedia_vid_dev_lookup("SDL", "SDL renderer", &rdr_idx);
if (status != PJ_SUCCESS) {
rc = 207;
goto on_return;
}
/* Prepare codec */
{
pj_str_t codec_id_st;
unsigned info_cnt = 1;
const pjmedia_vid_codec_info *codec_info;
/* Lookup codec */
pj_cstr(&codec_id_st, 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;
}
codec_param.packing = packing;
/* 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;
}
status = pjmedia_vid_codec_open(codec, &codec_param);
if (status != PJ_SUCCESS) {
rc = 252;
goto on_return;
}
/* After opened, codec will update the param, let's sync encoder &
* decoder format detail.
*/
codec_param.dec_fmt.det = codec_param.enc_fmt.det;
/* Subscribe to codec events */
pjmedia_event_subscribe(NULL, &codec_on_event, &codec_port_data,
codec);
}
pjmedia_vid_port_param_default(&vport_param);
/* Create capture, set it to active (master) */
status = pjmedia_vid_dev_default_param(pool, cap_idx,
&vport_param.vidparam);
if (status != PJ_SUCCESS) {
rc = 220;
goto on_return;
}
pjmedia_format_copy(&vport_param.vidparam.fmt, &codec_param.dec_fmt);
vport_param.vidparam.dir = PJMEDIA_DIR_CAPTURE;
vport_param.active = PJ_TRUE;
if (vport_param.vidparam.fmt.detail_type != PJMEDIA_FORMAT_DETAIL_VIDEO) {
rc = 221;
goto on_return;
}
vfd = pjmedia_format_get_video_format_detail(&vport_param.vidparam.fmt,
PJ_TRUE);
if (vfd == NULL) {
rc = 225;
goto on_return;
}
status = pjmedia_vid_port_create(pool, &vport_param, &capture);
if (status != PJ_SUCCESS) {
rc = 226;
goto on_return;
}
/* Create renderer, set it to passive (slave) */
vport_param.active = PJ_FALSE;
vport_param.vidparam.dir = PJMEDIA_DIR_RENDER;
vport_param.vidparam.rend_id = rdr_idx;
vport_param.vidparam.disp_size = vfd->size;
status = pjmedia_vid_port_create(pool, &vport_param, &renderer);
if (status != PJ_SUCCESS) {
rc = 230;
goto on_return;
}
/* 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;
}
codec_port_data.codec = codec;
codec_port_data.rdr_port = renderer;
codec_port_data.enc_buf_size = codec_param.dec_fmt.det.vid.size.w *
codec_param.dec_fmt.det.vid.size.h * 4;
codec_port_data.enc_buf = pj_pool_alloc(pool,
codec_port_data.enc_buf_size);
codec_port_data.pack_buf_size = codec_port_data.enc_buf_size;
codec_port_data.pack_buf = pj_pool_alloc(pool,
codec_port_data.pack_buf_size);
codec_port.put_frame = &codec_put_frame;
codec_port.port_data.pdata = &codec_port_data;
/* Connect capture to codec port */
status = pjmedia_vid_port_connect(capture,
&codec_port,
PJ_FALSE);
if (status != PJ_SUCCESS) {
rc = 270;
goto on_return;
}
PJ_LOG(3, (THIS_FILE, " starting codec test: %s<->%.*s %dx%d",
pjmedia_fourcc_name(codec_param.dec_fmt.id, codec_name),
codec_info->encoding_name.slen,
codec_info->encoding_name.ptr,
codec_param.dec_fmt.det.vid.size.w,
codec_param.dec_fmt.det.vid.size.h
));
/* Start streaming.. */
status = pjmedia_vid_port_start(renderer);
if (status != PJ_SUCCESS) {
rc = 275;
goto on_return;
}
status = pjmedia_vid_port_start(capture);
if (status != PJ_SUCCESS) {
rc = 280;
goto on_return;
}
/* Sleep while the video is being displayed... */
pj_thread_sleep(10000);
on_return:
if (status != PJ_SUCCESS) {
PJ_PERROR(3, (THIS_FILE, status, " error"));
}
if (capture)
pjmedia_vid_port_stop(capture);
if (renderer)
pjmedia_vid_port_stop(renderer);
if (capture)
pjmedia_vid_port_destroy(capture);
if (renderer)
pjmedia_vid_port_destroy(renderer);
if (codec) {
pjmedia_event_unsubscribe(NULL, &codec_on_event, &codec_port_data,
codec);
pjmedia_vid_codec_close(codec);
pjmedia_vid_codec_mgr_dealloc_codec(NULL, codec);
}
return rc;
}
/*
* Internal function for collecting codec info and param from the SDP media.
*/
static pj_status_t get_video_codec_info_param(pjmedia_vid_stream_info *si,
pj_pool_t *pool,
pjmedia_vid_codec_mgr *mgr,
const pjmedia_sdp_media *local_m,
const pjmedia_sdp_media *rem_m)
{
unsigned pt = 0;
const pjmedia_vid_codec_info *p_info;
pj_status_t status;
pt = pj_strtoul(&local_m->desc.fmt[0]);
/* Get payload type for receiving direction */
si->rx_pt = pt;
/* Get codec info and payload type for transmitting direction. */
if (pt < 96) {
/* For static payload types, get the codec info from codec manager. */
status = pjmedia_vid_codec_mgr_get_codec_info(mgr, pt, &p_info);
if (status != PJ_SUCCESS)
return status;
si->codec_info = *p_info;
/* Get payload type for transmitting direction.
* For static payload type, pt's are symetric.
*/
si->tx_pt = pt;
} else {
const pjmedia_sdp_attr *attr;
pjmedia_sdp_rtpmap *rtpmap;
pjmedia_codec_id codec_id;
pj_str_t codec_id_st;
unsigned i;
/* Determine payload type for outgoing channel, by finding
* dynamic payload type in remote SDP that matches the answer.
*/
si->tx_pt = 0xFFFF;
for (i=0; i<rem_m->desc.fmt_count; ++i) {
if (pjmedia_sdp_neg_fmt_match(NULL,
(pjmedia_sdp_media*)local_m, 0,
(pjmedia_sdp_media*)rem_m, i, 0) ==
PJ_SUCCESS)
{
/* Found matched codec. */
si->tx_pt = pj_strtoul(&rem_m->desc.fmt[i]);
break;
}
}
if (si->tx_pt == 0xFFFF)
return PJMEDIA_EMISSINGRTPMAP;
/* For dynamic payload types, get codec name from the rtpmap */
attr = pjmedia_sdp_media_find_attr(local_m, &ID_RTPMAP,
&local_m->desc.fmt[0]);
if (attr == NULL)
return PJMEDIA_EMISSINGRTPMAP;
status = pjmedia_sdp_attr_to_rtpmap(pool, attr, &rtpmap);
if (status != PJ_SUCCESS)
return status;
/* Then get the codec info from the codec manager */
pj_ansi_snprintf(codec_id, sizeof(codec_id), "%.*s/",
(int)rtpmap->enc_name.slen, rtpmap->enc_name.ptr);
codec_id_st = pj_str(codec_id);
i = 1;
status = pjmedia_vid_codec_mgr_find_codecs_by_id(mgr, &codec_id_st,
&i, &p_info, NULL);
if (status != PJ_SUCCESS)
return status;
si->codec_info = *p_info;
}
/* Request for codec with the correct packing for streaming */
si->codec_info.packings = PJMEDIA_VID_PACKING_PACKETS;
/* Now that we have codec info, get the codec param. */
si->codec_param = PJ_POOL_ALLOC_T(pool, pjmedia_vid_codec_param);
status = pjmedia_vid_codec_mgr_get_default_param(mgr,
&si->codec_info,
si->codec_param);
/* Adjust encoding bitrate, if higher than remote preference. The remote
* bitrate preference is read from SDP "b=TIAS" line in media level.
*/
if ((si->dir & PJMEDIA_DIR_ENCODING) && rem_m->bandw_count) {
unsigned i, bandw = 0;
for (i = 0; i < rem_m->bandw_count; ++i) {
const pj_str_t STR_BANDW_MODIFIER_TIAS = { "TIAS", 4 };
if (!pj_stricmp(&rem_m->bandw[i]->modifier,
&STR_BANDW_MODIFIER_TIAS))
{
bandw = rem_m->bandw[i]->value;
break;
}
}
if (bandw) {
pjmedia_video_format_detail *enc_vfd;
enc_vfd = pjmedia_format_get_video_format_detail(
&si->codec_param->enc_fmt, PJ_TRUE);
if (!enc_vfd->avg_bps || enc_vfd->avg_bps > bandw)
enc_vfd->avg_bps = bandw * 3 / 4;
if (!enc_vfd->max_bps || enc_vfd->max_bps > bandw)
enc_vfd->max_bps = bandw;
}
}
/* Get remote fmtp for our encoder. */
pjmedia_stream_info_parse_fmtp(pool, rem_m, si->tx_pt,
&si->codec_param->enc_fmtp);
/* Get local fmtp for our decoder. */
pjmedia_stream_info_parse_fmtp(pool, local_m, si->rx_pt,
&si->codec_param->dec_fmtp);
/* When direction is NONE (it means SDP negotiation has failed) we don't
* need to return a failure here, as returning failure will cause
* the whole SDP to be rejected. See ticket #:
* http://
*
* Thanks Alain Totouom
*/
if (status != PJ_SUCCESS && si->dir != PJMEDIA_DIR_NONE)
return status;
return PJ_SUCCESS;
}
