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authorRonald S. Bultje <rsbultje@gmail.com>2011-07-10 21:23:09 -0700
committerRonald S. Bultje <rsbultje@gmail.com>2011-07-10 21:41:57 -0700
commitd1cf45911935cc4fed9afd3a37d99616d31eb9da (patch)
tree263ded261a7f185d4c1528c5610208dfd59f007b
parent5eafc8b46644764f8aef1b7b2ecae53ee8034822 (diff)
downloadffmpeg-d1cf45911935cc4fed9afd3a37d99616d31eb9da.tar.gz
vp8/mt: flush worker thread, not application thread context, on seek.
This prevents a crash when seeking.
-rw-r--r--libavcodec/pthread.c9
-rw-r--r--libavcodec/utils.c2
2 files changed, 7 insertions, 4 deletions
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index 77e072d96a..e546c21ddd 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -747,9 +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;
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 5ad0c51d02..32e52514e5 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1080,7 +1080,7 @@ void avcodec_flush_buffers(AVCodecContext *avctx)
{
if(HAVE_PTHREADS && avctx->active_thread_type&FF_THREAD_FRAME)
ff_thread_flush(avctx);
- if(avctx->codec->flush)
+ else if(avctx->codec->flush)
avctx->codec->flush(avctx);
}