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-rw-r--r--libavcodec/pthread.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/pthread.c b/libavcodec/pthread.c
index ba6e395d75..0311dcd7e9 100644
--- a/libavcodec/pthread.c
+++ b/libavcodec/pthread.c
@@ -877,7 +877,8 @@ static void validate_thread_parameters(AVCodecContext *avctx)
avctx->active_thread_type = 0;
} else if (frame_threading_supported && (avctx->thread_type & FF_THREAD_FRAME)) {
avctx->active_thread_type = FF_THREAD_FRAME;
- } else if (avctx->thread_type & FF_THREAD_SLICE) {
+ } else if (avctx->codec->capabilities & CODEC_CAP_SLICE_THREADS &&
+ avctx->thread_type & FF_THREAD_SLICE) {
avctx->active_thread_type = FF_THREAD_SLICE;
}
}