Merge commit '7d61dc95d741ca134d59b1f34c4e10c4c4e36f56'

[ffmpeg] / libavutil / frame.h

diff --git a/libavutil/frame.h b/libavutil/frame.h
index 56001a879860bc86809ba7a4ee7213b8f333d838..76a8123dcb26070f4232c5b3f727a9135d8529fe 100644 (file)
--- a/libavutil/frame.h
+++ b/libavutil/frame.h
@@ -187,6 +187,9 @@ typedef struct AVFrame {
      * see avcodec_align_dimensions2(). Some filters and swscale can read
      * up to 16 bytes beyond the planes, if these filters are to be used,
      * then 16 extra bytes must be allocated.
+     *
+     * NOTE: Except for hwaccel formats, pointers not needed by the format
+     * MUST be set to NULL.
      */
     uint8_t *data[AV_NUM_DATA_POINTERS];