avcodec/hevcdec: hevc_await_progress: declare |y| only if used.

[ffmpeg] / libavutil / hwcontext_dxva2.h

diff --git a/libavutil/hwcontext_dxva2.h b/libavutil/hwcontext_dxva2.h
index 6c36cb4b6b437dc1115000dc2088feaa6df0bd4d..e1b79bc0dee8c25657d63da619c9265b958a5520 100644 (file)
--- a/libavutil/hwcontext_dxva2.h
+++ b/libavutil/hwcontext_dxva2.h
@@ -65,6 +65,9 @@ typedef struct AVDXVA2FramesContext {
      *
      * If it is non-NULL, libavutil will call IDirectXVideoDecoder_Release() on
      * it just before the internal surface pool is freed.
+     *
+     * This is for convenience only. Some code uses other methods to manage the
+     * decoder reference.
      */
     IDirectXVideoDecoder *decoder_to_release;
 } AVDXVA2FramesContext;