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ffplay: simplify and fix flushing out old subtitles on seeking 

Fixes the additional issue reported in ticket #2666.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2013-06-16 14:13:28 +02:00
parent ff995e2b6f
commit 9fac752afa
1 changed files with 9 additions and 24 deletions
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33
ffplay.c
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@ -134,6 +134,7 @@ typedef struct VideoPicture {
typedef struct SubPicture {
double pts; /* presentation time stamp for this picture */
AVSubtitle sub;
int serial;
} SubPicture;
typedef struct AudioParams {
@ -230,7 +231,6 @@ typedef struct VideoState {
SDL_Thread *subtitle_tid;
int subtitle_stream;
int subtitle_stream_changed;
AVStream *subtitle_st;
PacketQueue subtitleq;
SubPicture subpq[SUBPICTURE_QUEUE_SIZE];
@ -1400,24 +1400,7 @@ retry:
}
if (is->subtitle_st) {
if (is->subtitle_stream_changed) {
SDL_LockMutex(is->subpq_mutex);
while (is->subpq_size) {
free_subpicture(&is->subpq[is->subpq_rindex]);
/* update queue size and signal for next picture */
if (++is->subpq_rindex == SUBPICTURE_QUEUE_SIZE)
is->subpq_rindex = 0;
is->subpq_size--;
}
is->subtitle_stream_changed = 0;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);
} else {
if (is->subpq_size > 0) {
while (is->subpq_size > 0) {
sp = &is->subpq[is->subpq_rindex];
if (is->subpq_size > 1)
@ -1425,7 +1408,8 @@ retry:
else
sp2 = NULL;
if ((is->vidclk.pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
if (sp->serial != is->subtitleq.serial
|| (is->vidclk.pts > (sp->pts + ((float) sp->sub.end_display_time / 1000)))
|| (sp2 && is->vidclk.pts > (sp2->pts + ((float) sp2->sub.start_display_time / 1000))))
{
free_subpicture(sp);
@ -1438,9 +1422,10 @@ retry:
is->subpq_size--;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);
} else {
break;
}
}
}
}
display:
@ -2000,6 +1985,7 @@ static int subtitle_thread(void *arg)
SubPicture *sp;
AVPacket pkt1, *pkt = &pkt1;
int got_subtitle;
int serial;
double pts;
int i, j;
int r, g, b, y, u, v, a;
@ -2008,7 +1994,7 @@ static int subtitle_thread(void *arg)
while (is->paused && !is->subtitleq.abort_request) {
SDL_Delay(10);
}
if (packet_queue_get(&is->subtitleq, pkt, 1, NULL) < 0)
if (packet_queue_get(&is->subtitleq, pkt, 1, &serial) < 0)
break;
if (pkt->data == flush_pkt.data) {
@ -2039,6 +2025,7 @@ static int subtitle_thread(void *arg)
if (sp->sub.pts != AV_NOPTS_VALUE)
pts = sp->sub.pts / (double)AV_TIME_BASE;
sp->pts = pts;
sp->serial = serial;
for (i = 0; i < sp->sub.num_rects; i++)
{
@ -2633,8 +2620,6 @@ static void stream_component_close(VideoState *is, int stream_index)
/* note: we also signal this mutex to make sure we deblock the
video thread in all cases */
SDL_LockMutex(is->subpq_mutex);
is->subtitle_stream_changed = 1;
SDL_CondSignal(is->subpq_cond);
SDL_UnlockMutex(is->subpq_mutex);