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ffplay crashes patch by (Ivan Wong: email, ivanwong info)

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Originally committed as revision 4389 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Wong 2005-06-24 08:32:55 +00:00 committed by Michael Niedermayer
parent ee8f719308
commit 687fae2b42
1 changed files with 11 additions and 5 deletions
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16
ffplay.c
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@ -218,6 +218,7 @@ static void packet_queue_flush(PacketQueue *q)
{
AVPacketList *pkt, *pkt1;
SDL_LockMutex(q->mutex);
for(pkt = q->first_pkt; pkt != NULL; pkt = pkt1) {
pkt1 = pkt->next;
av_free_packet(&pkt->pkt);
@ -227,6 +228,7 @@ static void packet_queue_flush(PacketQueue *q)
q->first_pkt = NULL;
q->nb_packets = 0;
q->size = 0;
SDL_UnlockMutex(q->mutex);
}
static void packet_queue_end(PacketQueue *q)
@ -612,9 +614,11 @@ static double get_master_clock(VideoState *is)
/* seek in the stream */
static void stream_seek(VideoState *is, int64_t pos, int rel)
{
is->seek_pos = pos;
is->seek_req = 1;
is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
if (!is->seek_req) {
is->seek_pos = pos;
is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
is->seek_req = 1;
}
}
/* pause or resume the video */
@ -1430,6 +1434,8 @@ static int decode_thread(void *arg)
#endif
if (is->seek_req) {
/* XXX: must lock decoder threads */
SDL_LockMutex(is->video_decoder_mutex);
SDL_LockMutex(is->audio_decoder_mutex);
ret = av_seek_frame(is->ic, -1, is->seek_pos, is->seek_flags);
if (ret < 0) {
fprintf(stderr, "%s: error while seeking\n", is->ic->filename);
@ -1439,11 +1445,11 @@ static int decode_thread(void *arg)
}
if (is->video_stream >= 0) {
packet_queue_flush(&is->videoq);
SDL_LockMutex(is->video_decoder_mutex);
avcodec_flush_buffers(&ic->streams[video_index]->codec);
SDL_UnlockMutex(is->video_decoder_mutex);
}
}
SDL_UnlockMutex(is->audio_decoder_mutex);
SDL_UnlockMutex(is->video_decoder_mutex);
is->seek_req = 0;
}