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Code Issues Releases Activity

lavu/threadmessage: add av_thread_message_queue_nb_elems()

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This commit is contained in:
Clément Bœsch
2018-04-21 21:42:19 +02:00
parent 02e4970bc9
commit 71fa82bed6
5 changed files with 28 additions and 2 deletions
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13
libavutil/threadmessage.c
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@@ -102,6 +102,19 @@ void av_thread_message_queue_free(AVThreadMessageQueue **mq)
#endif
}
int av_thread_message_queue_nb_elems(AVThreadMessageQueue *mq)
{
#if HAVE_THREADS
int ret;
pthread_mutex_lock(&mq->lock);
ret = av_fifo_size(mq->fifo);
pthread_mutex_unlock(&mq->lock);
return ret / mq->elsize;
#else
return AVERROR(ENOSYS);
#endif
}
#if HAVE_THREADS
static int av_thread_message_queue_send_locked(AVThreadMessageQueue *mq,