Fix channel_layout documentation.

libavformat/riff.c has been writing channel_layout for as long as
the field exists.

1 files changed, 1 insertions, 1 deletions

diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index a25612d2f9..fdc86bb7c0 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -2611,7 +2611,7 @@ typedef struct AVCodecContext {
     /**
      * Audio channel layout.
      * - encoding: set by user.
-     * - decoding: set by libavcodec.
+     * - decoding: set by user, may be overwritten by libavcodec.
      */
     int64_t channel_layout;