static void demux_seek_rtp(demuxer_t *demuxer, float rel_seek_secs,
float audio_delay, int flags)
{
Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
rtsp_ctrl * ctl = ndsd->rtsp;
sdp_attr * r_attr = NULL;
sdp_range r = {0, 0};
double time = ndsd->time[NEMESI_SESSION_VIDEO] ?
ndsd->time[NEMESI_SESSION_VIDEO] :
ndsd->time[NEMESI_SESSION_AUDIO];
if (!ctl->rtsp_queue)
return;
r_attr = sdp_get_attr(ctl->rtsp_queue->info->attr_list, "range");
if (r_attr)
r = sdp_parse_range(r_attr->value);
//flags & 1 -> absolute seek
//flags & 2 -> percent seek
if (flags == 0) {
time += rel_seek_secs;
if (time < r.begin)
time = r.begin;
else if (time > r.end)
time = r.end;
ndsd->seek = time;
mp_msg(MSGT_DEMUX,MSGL_WARN,"libNemesi SEEK %f on %f - %f)\n",
time, r.begin, r.end);
if (!rtsp_seek(ctl, time, 0)) {
RTSP_Error err = rtsp_wait(ctl);
if (err.got_error) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"Error Performing Seek: %s\n",
err.message.reply_str);
demuxer->stream->eof = 1;
}
else
mp_msg(MSGT_DEMUX, MSGL_INFO, "Seek, performed\n");
}
else {
mp_msg(MSGT_DEMUX, MSGL_ERR, "Unable to pause stream to perform seek\n");
demuxer->stream->eof = 1;
}
}
else
mp_msg(MSGT_DEMUX, MSGL_ERR, "Unsupported seek type\n");
}
static void demux_close_rtp(demuxer_t* demuxer)
{
Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
rtsp_ctrl * ctl = ndsd->rtsp;
RTSP_Error err;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Closing libNemesi RTSP Stream...\n");
if (ndsd == NULL)
return;
free(ndsd);
if (rtsp_close(ctl)) {
err = rtsp_wait(ctl);
if (err.got_error)
mp_msg(MSGT_DEMUX, MSGL_ERR,
"Error Closing Stream: %s\n",
err.message.reply_str);
}
rtsp_uninit(ctl);
}
static demuxer_t* demux_open_rtp(demuxer_t* demuxer)
{
nms_rtsp_hints hints;
char * url = demuxer->stream->streaming_ctrl->url->url;
rtsp_ctrl * ctl;
RTSP_Error reply;
rtsp_medium * media;
Nemesi_DemuxerStreamData * ndsd = calloc(1, sizeof(Nemesi_DemuxerStreamData));
memset(&hints,0,sizeof(hints));
if (rtsp_port) hints.first_rtp_port = rtsp_port;
if (rtsp_transport_tcp) {
hints.pref_rtsp_proto = TCP;
hints.pref_rtp_proto = TCP;
}
if (rtsp_transport_sctp) {
hints.pref_rtsp_proto = SCTP;
hints.pref_rtp_proto = SCTP;
}
mp_msg(MSGT_DEMUX, MSGL_INFO, "Initializing libNemesi\n");
if ((ctl = rtsp_init(&hints)) == NULL) {
free(ndsd);
return STREAM_ERROR;
}
ndsd->rtsp = ctl;
demuxer->priv = ndsd;
//nms_verbosity_set(1);
mp_msg(MSGT_DEMUX, MSGL_INFO, "Opening: %s\n", url);
if (rtsp_open(ctl, url)) {
mp_msg(MSGT_DEMUX, MSGL_ERR, "rtsp_open failed.\n");
return demuxer;
}
reply = rtsp_wait(ctl);
if (reply.got_error) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"OPEN Error from the server: %s\n",
reply.message.reply_str);
return demuxer;
}
rtsp_play(ctl, 0, 0);
reply = rtsp_wait(ctl);
if (reply.got_error) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"PLAY Error from the server: %s\n",
reply.message.reply_str);
return demuxer;
}
if (!ctl->rtsp_queue)
return demuxer;
media = ctl->rtsp_queue->media_queue;
for (; media; media=media->next) {
sdp_medium_info * info = media->medium_info;
rtp_session * sess = media->rtp_sess;
rtp_buff buff;
int media_format = atoi(info->fmts);
rtp_pt * ptinfo = rtp_get_pt_info(sess, media_format);
char const * format_name = ptinfo ? ptinfo->name : NULL;
memset(&buff, 0, sizeof(rtp_buff));
if (sess->parsers[media_format] == NULL) {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"libNemesi unsupported media format: %s\n",
format_name ? format_name : info->fmts);
continue;
}
else {
mp_msg(MSGT_DEMUX, MSGL_INFO,
"libNemesi supported media: %s\n",
format_name);
}
if (ptinfo->type == AU) {
if (ndsd->session[NEMESI_SESSION_AUDIO] == NULL) {
sh_audio_t* sh_audio = new_sh_audio(demuxer,0, NULL);
WAVEFORMATEX* wf;
demux_stream_t* d_audio = demuxer->audio;
demuxer->audio->id = 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as AUDIO stream...\n");
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_AUDIO,
sess, &buff, NULL);
wf = calloc(1,sizeof(*wf)+buff.len);
wf->cbSize = buff.len;
memcpy(wf+1, buff.data, buff.len);
sh_audio->wf = wf;
d_audio->sh = sh_audio;
wf->nSamplesPerSec = 0;
wf->wFormatTag =
sh_audio->format = get4CC(supported_audio, format_name);
if ( !(wf->wFormatTag) )
mp_msg(MSGT_DEMUX, MSGL_WARN,
"Unknown MPlayer format code for MIME"
" type \"audio/%s\"\n", format_name);
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"There is already an audio session registered,"
" ignoring...\n");
}
} else if (ptinfo->type == VI) {
if (ndsd->session[NEMESI_SESSION_VIDEO] == NULL) {
sh_video_t* sh_video;
BITMAPINFOHEADER* bih;
demux_stream_t* d_video;
int fps = 0;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as VIDEO stream...\n");
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_VIDEO,
sess, &buff, &fps);
bih = calloc(1,sizeof(*bih)+buff.len);
bih->biSize = sizeof(*bih)+buff.len;
memcpy(bih+1, buff.data, buff.len);
sh_video = new_sh_video(demuxer,0);
sh_video->bih = bih;
d_video = demuxer->video;
d_video->sh = sh_video;
if (fps) {
sh_video->fps = fps;
sh_video->frametime = 1.0/fps;
}
bih->biCompression =
sh_video->format = get4CC(supported_video, format_name);
if ( !(bih->biCompression) ) {
mp_msg(MSGT_DEMUX, MSGL_WARN,
"Unknown MPlayer format code for MIME"
" type \"video/%s\"\n", format_name);
}
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR,
"There is already a video session registered,"
" ignoring...\n");
}
} else {
mp_msg(MSGT_DEMUX, MSGL_ERR, "Unsupported media type\n");
}
}
demuxer->stream->eof = 0;
return demuxer;
}
int main(int argc, char **argv)
{
int opt;
char *url, *out = "nemesi.dump";
FILE *outfile = NULL;
rtsp_ctrl *ctl;
rtsp_session *sess;
rtsp_medium *med;
nms_rtsp_hints rtsp_hints = { -1 };
sdp_attr *attr;
RTSP_Error reply;
if (argc < 2) {
fprintf(stderr, "\tPlease specify at least an url.\n");
fprintf(stderr,
"\tUsage: %s [-f outputfile ] [-p rtp_port] [-t url\n",
argv[0]);
exit(1);
}
#ifndef WIN32
while ((opt = getopt(argc, argv, "df:p:v:")) != -1) {
switch (opt) {
/* Set output file */
case 'f':
out = strdup(optarg);
break;
/* Set rtp port */
case 'p':
rtsp_hints.first_rtp_port = atoi(optarg);
break;
/* Set verbosity */
case 'v':
nms_verbosity_set(atoi(optarg));
break;
/* Unknown option */
case '?':
fprintf(stderr, "\n Unknown option `-%c'.\n", optopt);
fprintf(stderr,
"\tUsage: %s [-f outputfile ] [-d] url\n\n",
argv[0]);
return 1;
}
}
#endif
outfile = fopen(out, "rb");
if (outfile == NULL)
outfile = stderr;
url = argv[argc - 1];
fprintf(stderr, "URL %s.\n", url);
/* initialize the rtsp state machine, starts the rtsp and the rtp threads
* the hints available are just one:
* - the first port to use (instead of picking one at random)
*/
if ((ctl = rtsp_init(&rtsp_hints)) == NULL) {
fprintf(stderr, "Cannot init rtsp.\n");
return 1;
}
if (rtsp_open(ctl, url)) {
fprintf(stderr, "rtsp_open failed.\n");
// die
return 1;
}
// you must call rtsp_wait after issuing any command
reply = rtsp_wait(ctl);
printf("OPEN: Received reply from server: %s\n", reply.message.reply_str);
// Get the session information
sess = ctl->rtsp_queue;
if (!sess) {
fprintf(stderr, "No session available.\n");
return 1;
}
while (sess) { // foreach session...
fprintf(outfile, "\tSession %s\n", sess->pathname);
fprintf(outfile, "\tSession Duration %s\n", sess->info->t);
for (attr = sess->info->attr_list;
attr;
attr = attr->next) {
fprintf(outfile, "\t* %s %s\n", attr->name, attr->value);
}
med = sess->media_queue;
while (med) { //... foreach medium
switch (med->medium_info->media_type) {
// Just care about audio and video
case 'A':
case 'V':
fprintf(outfile, "\tTransport %s\n",
med->medium_info->transport);
fprintf(outfile, "\tMedia Type %s\n",
(med->medium_info->media_type == 'A'?
"Audio" : "Video"));
fprintf(outfile, "\tMedia format %s\n",
med->medium_info->fmts);
break;
default:
//do nothing
break;
}
// attributes are already parsed, get them from the list
for (attr = med->medium_info->attr_list;
attr;
attr = attr->next) {
fprintf(outfile, "\t* %s %s\n", attr->name, attr->value);
}
med = med->next;
}
sess = sess->next;
}
/*
* Close the rtsp connection, we are polite
*/
rtsp_close(ctl);
reply = rtsp_wait(ctl);
printf("CLOSE: Received reply from server: %s\n", reply.message.reply_str);
/*
* Kill the threads, dealloc everything.
*/
rtsp_uninit(ctl);
return 0;
}
