From 45ddf06f54915bfcfb6bdfa8b983f4fdbf7bf4dc Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Sun, 21 Jun 2020 06:40:19 +0200 Subject: [PATCH] avcodec/packet: Improve documentation of av_packet_get_side_data Document that it also sets the size in case the desired side data is absent (if the pointer has been supplied). Reviewed-by: Anton Khirnov Signed-off-by: Andreas Rheinhardt --- libavcodec/packet.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavcodec/packet.h b/libavcodec/packet.h index 41485f4527..96f237f091 100644 --- a/libavcodec/packet.h +++ b/libavcodec/packet.h @@ -580,7 +580,8 @@ int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type, * * @param pkt packet * @param type desired side information type - * @param size pointer for side information size to store (optional) + * @param size If supplied, *size will be set to the size of the side data + * or to zero if the desired side data is not present. * @return pointer to data if present or NULL otherwise */ uint8_t* av_packet_get_side_data(const AVPacket *pkt, enum AVPacketSideDataType type,