diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 2a4be2ca4f..86a658a233 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -1617,6 +1617,7 @@ typedef struct AVCodecContext { * The allocated memory should be AV_INPUT_BUFFER_PADDING_SIZE bytes larger * than extradata_size to avoid problems if it is read with the bitstream reader. * The bytewise contents of extradata must not depend on the architecture or CPU endianness. + * Must be allocated with the av_malloc() family of functions. * - encoding: Set/allocated/freed by libavcodec. * - decoding: Set/allocated/freed by user. */