Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / pthread.c

diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index e662fb9caf75c39f024da20f139644274a369395..fb5c2f1e1e213916ac971e8d625ae8d6a621ac4c 100644 (file)
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -408,9 +408,10 @@ static void release_delayed_buffers(PerThreadContext *p)
     FrameThreadContext *fctx = p->parent;
 
     while (p->num_released_buffers > 0) {
-        AVFrame *f = &p->released_buffers[--p->num_released_buffers];
+        AVFrame *f;
 
         pthread_mutex_lock(&fctx->buffer_mutex);
+        f = &p->released_buffers[--p->num_released_buffers];
         free_progress(f);
         f->thread_opaque = NULL;
 
@@ -746,9 +747,12 @@ void ff_thread_flush(AVCodecContext *avctx)
     if (!avctx->thread_opaque) return;
 
     park_frame_worker_threads(fctx, avctx->thread_count);
-
-    if (fctx->prev_thread)
-        update_context_from_thread(fctx->threads->avctx, fctx->prev_thread->avctx, 0);
+    if (fctx->prev_thread) {
+        if (fctx->prev_thread != &fctx->threads[0])
+            update_context_from_thread(fctx->threads[0].avctx, fctx->prev_thread->avctx, 0);
+        if (avctx->codec->flush)
+            avctx->codec->flush(fctx->threads[0].avctx);
+    }
 
     fctx->next_decoding = fctx->next_finished = 0;
     fctx->delaying = 1;
@@ -836,6 +840,7 @@ int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
 void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
 {
     PerThreadContext *p = avctx->thread_opaque;
+    FrameThreadContext *fctx;
 
     if (!(avctx->active_thread_type&FF_THREAD_FRAME)) {
         avctx->release_buffer(avctx, f);
@@ -851,7 +856,10 @@ void ff_thread_release_buffer(AVCodecContext *avctx, AVFrame *f)
         av_log(avctx, AV_LOG_DEBUG, "thread_release_buffer called on pic %p, %d buffers used\n",
                                     f, f->owner->internal_buffer_count);
 
+    fctx = p->parent;
+    pthread_mutex_lock(&fctx->buffer_mutex);
     p->released_buffers[p->num_released_buffers++] = *f;
+    pthread_mutex_unlock(&fctx->buffer_mutex);
     memset(f->data, 0, sizeof(f->data));
 }