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added correct RTSP aborting - added option to force TCP usage in RTSP playback - added experimental RTSP pause support

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Originally committed as revision 2062 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2003-07-17 10:29:50 +00:00
parent 09787fb8af
commit 416e35081a
1 changed files with 40 additions and 0 deletions
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40
ffplay.c
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@ -73,6 +73,7 @@ typedef struct VideoState {
int no_background;
int abort_request;
int paused;
int last_paused;
AVFormatContext *ic;
int dtg_active_format;
@ -1041,6 +1042,14 @@ static void stream_component_close(VideoState *is, int stream_index)
}
}
/* since we have only one decoding thread, we can use a global
variable instead of a thread local variable */
static VideoState *global_video_state;
static int decode_interrupt_cb(void)
{
return (global_video_state && global_video_state->abort_request);
}
/* this thread gets the stream from the disk or the network */
static int decode_thread(void *arg)
@ -1055,6 +1064,9 @@ static int decode_thread(void *arg)
is->video_stream = -1;
is->audio_stream = -1;
global_video_state = is;
url_set_interrupt_cb(decode_interrupt_cb);
err = av_open_input_file(&ic, is->filename, NULL, 0, NULL);
if (err < 0)
return 0;
@ -1101,6 +1113,22 @@ static int decode_thread(void *arg)
for(;;) {
if (is->abort_request)
break;
if (is->paused != is->last_paused) {
is->last_paused = is->paused;
if (ic->iformat == &rtsp_demux) {
if (is->paused)
rtsp_pause(ic);
else
rtsp_resume(ic);
}
}
if (is->paused && ic->iformat == &rtsp_demux) {
/* wait 10 ms to avoid trying to get another packet */
/* XXX: horrible */
SDL_Delay(10);
continue;
}
/* if the queue are full, no need to read more */
if (is->audioq.size > MAX_AUDIOQ_SIZE ||
is->videoq.size > MAX_VIDEOQ_SIZE) {
@ -1126,6 +1154,9 @@ static int decode_thread(void *arg)
}
fail:
/* disable interrupting */
global_video_state = NULL;
/* close each stream */
if (is->audio_stream >= 0)
stream_component_close(is, is->audio_stream);
@ -1134,6 +1165,8 @@ static int decode_thread(void *arg)
av_close_input_file(is->ic);
is->ic = NULL; /* safety */
url_set_interrupt_cb(NULL);
return 0;
}
@ -1315,6 +1348,12 @@ static void opt_format(const char *arg)
}
}
void opt_rtp_tcp(void)
{
/* only tcp protocol */
rtsp_default_protocols = (1 << RTSP_PROTOCOL_RTP_TCP);
}
const OptionDef options[] = {
{ "h", 0, {(void*)show_help}, "show help" },
{ "x", HAS_ARG, {(void*)opt_width}, "force displayed width", "width" },
@ -1324,6 +1363,7 @@ const OptionDef options[] = {
{ "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
{ "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },
{ "rtp_tcp", OPT_EXPERT, {(void*)&opt_rtp_tcp}, "force RTP/TCP protocol usage", "" },
{ NULL, },
};