mirror of https://github.com/mpv-player/mpv
445 lines
14 KiB
C
445 lines
14 KiB
C
/*
|
|
* Copyright (C) 2007 Alessandro Molina <amol.wrk@gmail.com>
|
|
*
|
|
* MPlayer is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* MPlayer is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with MPlayer; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "demux_nemesi.h"
|
|
#include "stheader.h"
|
|
#define HAVE_STRUCT_SOCKADDR_STORAGE
|
|
#include "nemesi/rtsp.h"
|
|
#include "nemesi/rtp.h"
|
|
#include <sched.h>
|
|
|
|
int rtsp_transport_tcp = 0;
|
|
int rtsp_transport_sctp = 0;
|
|
// extern int rtsp_port;
|
|
|
|
typedef enum { NEMESI_SESSION_VIDEO,
|
|
NEMESI_SESSION_AUDIO } Nemesi_SessionType;
|
|
|
|
typedef struct {
|
|
rtsp_ctrl * rtsp;
|
|
rtp_session * session[2];
|
|
rtp_frame first_pkt[2];
|
|
double time[2];
|
|
double seek;
|
|
} Nemesi_DemuxerStreamData;
|
|
|
|
static void link_session_and_fetch_conf(Nemesi_DemuxerStreamData * ndsd,
|
|
Nemesi_SessionType stype,
|
|
rtp_session * sess,
|
|
rtp_buff * buff, unsigned int * fps)
|
|
{
|
|
extern float force_fps;
|
|
rtp_ssrc *ssrc = NULL;
|
|
rtsp_ctrl * ctl = ndsd->rtsp;
|
|
rtp_frame * fr = &ndsd->first_pkt[stype];
|
|
rtp_buff trash_buff;
|
|
|
|
ndsd->session[stype] = sess;
|
|
|
|
if (buff == NULL)
|
|
buff = &trash_buff;
|
|
|
|
if ( (buff != NULL) || (fps != NULL) ) {
|
|
while ( !(ssrc = rtp_session_get_ssrc(sess, ctl)) ) //Wait for the ssrc to be registered
|
|
sched_yield();
|
|
|
|
rtp_fill_buffer(ssrc, fr, buff); //Prefetch the first packet
|
|
|
|
while ( !(rtp_get_pkt(ssrc, NULL)) ) //Wait for the second packet to calculate FPS
|
|
sched_yield();
|
|
|
|
if ( (force_fps == 0.0) && (fps != NULL) ) {
|
|
rtp_fill_buffers(rtsp_get_rtp_th(ctl));
|
|
*fps = rtp_get_fps(ssrc);
|
|
}
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
media = ctl->rtsp_queue->media_queue;
|
|
for (; media; media=media->next) {
|
|
sdp_medium_info * info = media->medium_info;
|
|
rtp_session * sess = media->rtp_sess;
|
|
|
|
int media_format = atoi(info->fmts);
|
|
rtp_pt * ptinfo = rtp_get_pt_info(sess, media_format);
|
|
char const * format_name = ptinfo ? ptinfo->name : NULL;
|
|
|
|
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);
|
|
WAVEFORMATEX* wf = calloc(1,sizeof(WAVEFORMATEX));
|
|
demux_stream_t* d_audio = demuxer->audio;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as AUDIO stream...\n");
|
|
|
|
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_AUDIO,
|
|
sess, NULL, NULL);
|
|
|
|
sh_audio->wf = wf;
|
|
d_audio->sh = sh_audio;
|
|
sh_audio->ds = d_audio;
|
|
wf->nSamplesPerSec = 0;
|
|
|
|
//List of known audio formats
|
|
if (!strcmp(format_name, "MPA"))
|
|
wf->wFormatTag =
|
|
sh_audio->format = 0x55;
|
|
else if (!strcmp(format_name, "vorbis"))
|
|
wf->wFormatTag =
|
|
sh_audio->format = mmioFOURCC('v','r','b','s');
|
|
else
|
|
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_AUDIO] == NULL) {
|
|
sh_video_t* sh_video;
|
|
BITMAPINFOHEADER* bih;
|
|
demux_stream_t* d_video;
|
|
int fps = 0;
|
|
rtp_buff buff;
|
|
memset(&buff, 0, sizeof(rtp_buff));
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "Detected as VIDEO stream...\n");
|
|
|
|
link_session_and_fetch_conf(ndsd, NEMESI_SESSION_VIDEO,
|
|
sess, &buff, &fps);
|
|
|
|
if (buff.len) {
|
|
bih = calloc(1,sizeof(BITMAPINFOHEADER)+buff.len);
|
|
bih->biSize = sizeof(BITMAPINFOHEADER)+buff.len;
|
|
memcpy(bih+1, buff.data, buff.len);
|
|
} else {
|
|
bih = calloc(1,sizeof(BITMAPINFOHEADER));
|
|
bih->biSize = sizeof(BITMAPINFOHEADER);
|
|
}
|
|
|
|
sh_video = new_sh_video(demuxer,0);
|
|
sh_video->bih = bih;
|
|
d_video = demuxer->video;
|
|
d_video->sh = sh_video;
|
|
sh_video->ds = d_video;
|
|
|
|
if (fps) {
|
|
sh_video->fps = fps;
|
|
sh_video->frametime = 1.0/fps;
|
|
}
|
|
|
|
//List of known video formats
|
|
if (!strcmp(format_name, "MPV")) {
|
|
bih->biCompression =
|
|
sh_video->format = mmioFOURCC('M','P','E','G');
|
|
} else if (!strcmp(format_name, "H264")) {
|
|
bih->biCompression =
|
|
sh_video->format = mmioFOURCC('H','2','6','4');
|
|
} else if (!strcmp(format_name, "H263-1998")) {
|
|
bih->biCompression =
|
|
sh_video->format = mmioFOURCC('H','2','6','3');
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
static int get_data_for_session(Nemesi_DemuxerStreamData * ndsd,
|
|
Nemesi_SessionType stype, rtp_frame * fr)
|
|
{
|
|
rtsp_ctrl * ctl = ndsd->rtsp;
|
|
rtp_ssrc *ssrc = NULL;
|
|
|
|
for (ssrc = rtp_active_ssrc_queue(rtsp_get_rtp_queue(ctl));
|
|
ssrc;
|
|
ssrc = rtp_next_active_ssrc(ssrc)) {
|
|
if (ssrc->rtp_sess == ndsd->session[stype]) {
|
|
if (ndsd->first_pkt[stype].len != 0) {
|
|
fr->data = ndsd->first_pkt[stype].data;
|
|
fr->time_sec = ndsd->first_pkt[stype].time_sec;
|
|
fr->len = ndsd->first_pkt[stype].len;
|
|
ndsd->first_pkt[stype].len = 0;
|
|
return RTP_FILL_OK;
|
|
} else {
|
|
rtp_buff buff;
|
|
return rtp_fill_buffer(ssrc, fr, &buff);
|
|
}
|
|
}
|
|
}
|
|
|
|
return RTP_SSRC_NOTVALID;
|
|
}
|
|
|
|
int demux_rtp_fill_buffer(demuxer_t* demuxer, demux_stream_t* ds)
|
|
{
|
|
Nemesi_DemuxerStreamData * ndsd = demuxer->priv;
|
|
Nemesi_SessionType stype;
|
|
rtsp_ctrl * ctl = ndsd->rtsp;
|
|
rtp_thread * rtp_th = rtsp_get_rtp_th(ctl);
|
|
rtp_frame fr;
|
|
|
|
demux_packet_t* dp;
|
|
|
|
if ( (!ctl->rtsp_queue) || (demuxer->stream->eof) || (rtp_fill_buffers(rtp_th)) ) {
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "End of Stream...\n");
|
|
demuxer->stream->eof = 1;
|
|
return 0;
|
|
}
|
|
|
|
if (ds == demuxer->video)
|
|
stype = NEMESI_SESSION_VIDEO;
|
|
else if (ds == demuxer->audio)
|
|
stype = NEMESI_SESSION_AUDIO;
|
|
else
|
|
return 0;
|
|
|
|
if(!get_data_for_session(ndsd, stype, &fr)) {
|
|
dp = new_demux_packet(fr.len);
|
|
memcpy(dp->buffer, fr.data, fr.len);
|
|
fr.time_sec += ndsd->seek;
|
|
ndsd->time[stype] = dp->pts = fr.time_sec;
|
|
ds_add_packet(ds, dp);
|
|
}
|
|
else {
|
|
stype = (stype + 1) % 2;
|
|
if (stype == NEMESI_SESSION_VIDEO)
|
|
ds = demuxer->video;
|
|
else
|
|
ds = demuxer->audio;
|
|
|
|
if(!get_data_for_session(ndsd, stype, &fr)) {
|
|
dp = new_demux_packet(fr.len);
|
|
memcpy(dp->buffer, fr.data, fr.len);
|
|
fr.time_sec += ndsd->seek;
|
|
ndsd->time[stype] = dp->pts = fr.time_sec;
|
|
ds_add_packet(ds, dp);
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
|
|
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 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 int demux_rtp_control(struct demuxer_st *demuxer, int cmd, void *arg)
|
|
{
|
|
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 DEMUXER_CTRL_DONTKNOW;
|
|
|
|
r_attr = sdp_get_attr(ctl->rtsp_queue->info->attr_list, "range");
|
|
if (r_attr)
|
|
r = sdp_parse_range(r_attr->value);
|
|
|
|
switch (cmd) {
|
|
case DEMUXER_CTRL_GET_TIME_LENGTH:
|
|
if (r.end == 0)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((double *)arg) = ((double)r.end) - ((double)r.begin);
|
|
return DEMUXER_CTRL_OK;
|
|
|
|
case DEMUXER_CTRL_GET_PERCENT_POS:
|
|
if (r.end == 0)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((int *)arg) = (int)( time * 100 / (r.end - r.begin) );
|
|
return DEMUXER_CTRL_OK;
|
|
default:
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
}
|
|
}
|
|
|
|
demuxer_desc_t demuxer_desc_rtp = {
|
|
"libNemesi demuxer",
|
|
"rtp",
|
|
"",
|
|
"Alessandro Molina",
|
|
"requires libNemesi",
|
|
DEMUXER_TYPE_RTP,
|
|
0, // no autodetect
|
|
NULL,
|
|
demux_rtp_fill_buffer,
|
|
demux_open_rtp,
|
|
demux_close_rtp,
|
|
demux_seek_rtp,
|
|
demux_rtp_control
|
|
};
|