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Code Issues Releases Activity

libstagefright: limit the output queue size

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This commit is contained in:
Mohamed Naufal 2011-10-07 17:21:09 +05:30
parent 23ea48f2f7
commit 295f13953d
1 changed files with 20 additions and 1 deletions
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21
libavcodec/libstagefright.cpp
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@ -174,7 +174,15 @@ void* decode_thread(void *arg)
decode_done = 1;
}
}
pthread_mutex_lock(&s->out_mutex);
while (true) {
pthread_mutex_lock(&s->out_mutex);
if (s->out_queue->size() >= 10) {
pthread_mutex_unlock(&s->out_mutex);
usleep(10000);
continue;
}
break;
}
s->out_queue->push_back(frame);
pthread_mutex_unlock(&s->out_mutex);
} while (!decode_done && !s->stop_decode);
@ -435,6 +443,17 @@ static av_cold int Stagefright_close(AVCodecContext *avctx)
if (!s->thread_exited) {
s->stop_decode = 1;
// Make sure decode_thread() doesn't get stuck
pthread_mutex_lock(&s->out_mutex);
while (!s->out_queue->empty()) {
frame = *s->out_queue->begin();
s->out_queue->erase(s->out_queue->begin());
if (frame->size)
frame->mbuffer->release();
av_freep(&frame);
}
pthread_mutex_unlock(&s->out_mutex);
// Feed a dummy frame prior to signalling EOF.
// This is required to terminate the decoder(OMX.SEC)
// when only one frame is read during stream info detection.