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ffplay: factorize thread starting and stopping code into decoder 

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2014-10-26 19:19:31 +01:00
parent d6910c4b5e
commit ef1ccea945
1 changed files with 22 additions and 32 deletions
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54
ffplay.c
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@ -191,12 +191,11 @@ typedef struct Decoder {
AVRational start_pts_tb;
int64_t next_pts;
AVRational next_pts_tb;
SDL_Thread *decoder_tid;
} Decoder;
typedef struct VideoState {
SDL_Thread *read_tid;
SDL_Thread *video_tid;
SDL_Thread *audio_tid;
AVInputFormat *iformat;
int abort_request;
int force_refresh;
@ -264,7 +263,6 @@ typedef struct VideoState {
int xpos;
double last_vis_time;
SDL_Thread *subtitle_tid;
int subtitle_stream;
AVStream *subtitle_st;
PacketQueue subtitleq;
@ -769,6 +767,15 @@ static int64_t frame_queue_last_pos(FrameQueue *f)
return -1;
}
static void decoder_abort(Decoder *d, FrameQueue *fq)
{
packet_queue_abort(d->queue);
frame_queue_signal(fq);
SDL_WaitThread(d->decoder_tid, NULL);
d->decoder_tid = NULL;
packet_queue_flush(d->queue);
}
static inline void fill_rectangle(SDL_Surface *screen,
int x, int y, int w, int h, int color, int update)
{
@ -2197,6 +2204,12 @@ static int audio_thread(void *arg)
return ret;
}
static void decoder_start(Decoder *d, int (*fn)(void *), void *arg)
{
packet_queue_start(d->queue);
d->decoder_tid = SDL_CreateThread(fn, arg);
}
static int video_thread(void *arg)
{
VideoState *is = arg;
@ -2731,31 +2744,28 @@ static int stream_component_open(VideoState *is, int stream_index)
is->audio_stream = stream_index;
is->audio_st = ic->streams[stream_index];
packet_queue_start(&is->audioq);
decoder_init(&is->auddec, avctx, &is->audioq, is->continue_read_thread);
if ((is->ic->iformat->flags & (AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK)) && !is->ic->iformat->read_seek) {
is->auddec.start_pts = is->audio_st->start_time;
is->auddec.start_pts_tb = is->audio_st->time_base;
}
is->audio_tid = SDL_CreateThread(audio_thread, is);
decoder_start(&is->auddec, audio_thread, is);
SDL_PauseAudio(0);
break;
case AVMEDIA_TYPE_VIDEO:
is->video_stream = stream_index;
is->video_st = ic->streams[stream_index];
packet_queue_start(&is->videoq);
decoder_init(&is->viddec, avctx, &is->videoq, is->continue_read_thread);
is->video_tid = SDL_CreateThread(video_thread, is);
decoder_start(&is->viddec, video_thread, is);
is->queue_attachments_req = 1;
break;
case AVMEDIA_TYPE_SUBTITLE:
is->subtitle_stream = stream_index;
is->subtitle_st = ic->streams[stream_index];
packet_queue_start(&is->subtitleq);
decoder_init(&is->subdec, avctx, &is->subtitleq, is->continue_read_thread);
is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
decoder_start(&is->subdec, subtitle_thread, is);
break;
default:
break;
@ -2778,13 +2788,9 @@ static void stream_component_close(VideoState *is, int stream_index)
switch (avctx->codec_type) {
case AVMEDIA_TYPE_AUDIO:
packet_queue_abort(&is->audioq);
frame_queue_signal(&is->sampq);
decoder_abort(&is->auddec, &is->sampq);
SDL_CloseAudio();
SDL_WaitThread(is->audio_tid, NULL);
decoder_destroy(&is->auddec);
packet_queue_flush(&is->audioq);
swr_free(&is->swr_ctx);
av_freep(&is->audio_buf1);
is->audio_buf1_size = 0;
@ -2798,28 +2804,12 @@ static void stream_component_close(VideoState *is, int stream_index)
}
break;
case AVMEDIA_TYPE_VIDEO:
packet_queue_abort(&is->videoq);
/* note: we also signal this mutex to make sure we deblock the
video thread in all cases */
frame_queue_signal(&is->pictq);
SDL_WaitThread(is->video_tid, NULL);
decoder_abort(&is->viddec, &is->pictq);
decoder_destroy(&is->viddec);
packet_queue_flush(&is->videoq);
break;
case AVMEDIA_TYPE_SUBTITLE:
packet_queue_abort(&is->subtitleq);
/* note: we also signal this mutex to make sure we deblock the
video thread in all cases */
frame_queue_signal(&is->subpq);
SDL_WaitThread(is->subtitle_tid, NULL);
decoder_abort(&is->subdec, &is->subpq);
decoder_destroy(&is->subdec);
packet_queue_flush(&is->subtitleq);
break;
default:
break;