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author | Anton Khirnov <anton@khirnov.net> | 2022-01-07 11:41:42 +0100 |
---|---|---|
committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-02-07 00:31:23 +0100 |
commit | 90eef1c3de7b575091b9299bc396b6ebb86ca8e8 (patch) | |
tree | 7c4ce6b66167770517c32ffa53b0c062c9397ac5 /libavutil/threadmessage.c | |
parent | d1bd189c6318fc016a9b6f9c8fee8a47e9b7e173 (diff) | |
download | ffmpeg-90eef1c3de7b575091b9299bc396b6ebb86ca8e8.tar.gz |
lavu/threadmessage: switch to new FIFO API
Diffstat (limited to 'libavutil/threadmessage.c')
-rw-r--r-- | libavutil/threadmessage.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/libavutil/threadmessage.c b/libavutil/threadmessage.c index 764b7fb813..6f25da76d7 100644 --- a/libavutil/threadmessage.c +++ b/libavutil/threadmessage.c @@ -24,7 +24,7 @@ struct AVThreadMessageQueue { #if HAVE_THREADS - AVFifoBuffer *fifo; + AVFifo *fifo; pthread_mutex_t lock; pthread_cond_t cond_recv; pthread_cond_t cond_send; @@ -64,7 +64,7 @@ int av_thread_message_queue_alloc(AVThreadMessageQueue **mq, av_free(rmq); return AVERROR(ret); } - if (!(rmq->fifo = av_fifo_alloc(elsize * nelem))) { + if (!(rmq->fifo = av_fifo_alloc2(nelem, elsize, 0))) { pthread_cond_destroy(&rmq->cond_send); pthread_cond_destroy(&rmq->cond_recv); pthread_mutex_destroy(&rmq->lock); @@ -93,7 +93,7 @@ void av_thread_message_queue_free(AVThreadMessageQueue **mq) #if HAVE_THREADS if (*mq) { av_thread_message_flush(*mq); - av_fifo_freep(&(*mq)->fifo); + av_fifo_freep2(&(*mq)->fifo); pthread_cond_destroy(&(*mq)->cond_send); pthread_cond_destroy(&(*mq)->cond_recv); pthread_mutex_destroy(&(*mq)->lock); @@ -107,9 +107,9 @@ 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); + ret = av_fifo_can_read(mq->fifo); pthread_mutex_unlock(&mq->lock); - return ret / mq->elsize; + return ret; #else return AVERROR(ENOSYS); #endif @@ -121,14 +121,14 @@ static int av_thread_message_queue_send_locked(AVThreadMessageQueue *mq, void *msg, unsigned flags) { - while (!mq->err_send && av_fifo_space(mq->fifo) < mq->elsize) { + while (!mq->err_send && !av_fifo_can_write(mq->fifo)) { if ((flags & AV_THREAD_MESSAGE_NONBLOCK)) return AVERROR(EAGAIN); pthread_cond_wait(&mq->cond_send, &mq->lock); } if (mq->err_send) return mq->err_send; - av_fifo_generic_write(mq->fifo, msg, mq->elsize, NULL); + av_fifo_write(mq->fifo, msg, 1); /* one message is sent, signal one receiver */ pthread_cond_signal(&mq->cond_recv); return 0; @@ -138,14 +138,14 @@ static int av_thread_message_queue_recv_locked(AVThreadMessageQueue *mq, void *msg, unsigned flags) { - while (!mq->err_recv && av_fifo_size(mq->fifo) < mq->elsize) { + while (!mq->err_recv && !av_fifo_can_read(mq->fifo)) { if ((flags & AV_THREAD_MESSAGE_NONBLOCK)) return AVERROR(EAGAIN); pthread_cond_wait(&mq->cond_recv, &mq->lock); } - if (av_fifo_size(mq->fifo) < mq->elsize) + if (!av_fifo_can_read(mq->fifo)) return mq->err_recv; - av_fifo_generic_read(mq->fifo, msg, mq->elsize, NULL); + av_fifo_read(mq->fifo, msg, 1); /* one message space appeared, signal one sender */ pthread_cond_signal(&mq->cond_send); return 0; @@ -208,25 +208,25 @@ void av_thread_message_queue_set_err_recv(AVThreadMessageQueue *mq, } #if HAVE_THREADS -static void free_func_wrap(void *arg, void *msg, int size) +static int free_func_wrap(void *arg, void *buf, size_t *nb_elems) { AVThreadMessageQueue *mq = arg; - mq->free_func(msg); + uint8_t *msg = buf; + for (size_t i = 0; i < *nb_elems; i++) + mq->free_func(msg + i * mq->elsize); + return 0; } #endif void av_thread_message_flush(AVThreadMessageQueue *mq) { #if HAVE_THREADS - int used, off; - void *free_func = mq->free_func; + size_t used; pthread_mutex_lock(&mq->lock); - used = av_fifo_size(mq->fifo); - if (free_func) - for (off = 0; off < used; off += mq->elsize) - av_fifo_generic_peek_at(mq->fifo, mq, off, mq->elsize, free_func_wrap); - av_fifo_drain(mq->fifo, used); + used = av_fifo_can_read(mq->fifo); + if (mq->free_func) + av_fifo_read_to_cb(mq->fifo, free_func_wrap, mq, &used); /* only the senders need to be notified since the queue is empty and there * is nothing to read */ pthread_cond_broadcast(&mq->cond_send); |