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authorMans Rullgard <mans@mansr.com>2011-03-02 13:08:15 +0000
committerMans Rullgard <mans@mansr.com>2011-03-02 14:06:48 +0000
commitff1efc524cb3c60f2f746e3b4550bb1a86c65316 (patch)
tree2547329a4c29b94a7246a509f46d036d7e79ce28
parentfb985071263e6b3daff1c3d987df482b0146c2a0 (diff)
downloadffmpeg-ff1efc524cb3c60f2f746e3b4550bb1a86c65316.tar.gz
threads: allow thread count of zero
This moves setting the thread count to a minimum of 1 to frame_thread_init(), allowing a value of zero to propagate through to the codec if frame threading is not used. This makes auto-threads work in libx264. Signed-off-by: Mans Rullgard <mans@mansr.com>
-rw-r--r--libavcodec/pthread.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index 5b0d108ba5..658dbacb89 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -683,6 +683,11 @@ static int frame_thread_init(AVCodecContext *avctx)
FrameThreadContext *fctx;
int i, err = 0;
+ if (thread_count <= 1) {
+ avctx->active_thread_type = 0;
+ return 0;
+ }
+
avctx->thread_opaque = fctx = av_mallocz(sizeof(FrameThreadContext));
fctx->threads = av_mallocz(sizeof(PerThreadContext) * thread_count);
@@ -882,8 +887,6 @@ int ff_thread_init(AVCodecContext *avctx, int thread_count)
return -1;
}
- avctx->thread_count = FFMAX(1, thread_count);
-
if (avctx->codec) {
validate_thread_parameters(avctx);