Quoting James Almer (2023-10-04 14:28:42)
> Explaining what or who may use it, and in what scenarios.
>
> Signed-off-by: James Almer <[email protected]>
> ---
> libavcodec/packet.h | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/libavcodec/packet.h b/libavcodec/packet.h
> index 96fc0084d6..85b3eeb728 100644
> --- a/libavcodec/packet.h
> +++ b/libavcodec/packet.h
> @@ -312,6 +312,25 @@ enum AVPacketSideDataType {
>
> #define AV_PKT_DATA_QUALITY_FACTOR AV_PKT_DATA_QUALITY_STATS //DEPRECATED
>
> +/**
> + * This structure stores information for decoding, presenting, or otherwise
^
I didn't mean for you to drop the 'auxiliary' that used to be here - it
(or some other equivalent wording) should be here to make it clear that
side data applies in additon/on top of the main coded bitstream.
> + * processing the coded stream. It is typically exported by demuxers and
> + * encoders and can be fed to decoders and muxers in a per packet basis, or
> as
^
/ \
either
> + * global side data (applying to the entire coded stream) as follows:
The following bullet points apply only to the global side data, so you
should start a new sentence that makes that explicit.
> + * - During demuxing, it will be exported through global side data in
> + * @ref AVStream.codecpar.side_data "AVStream's codec parameters", which
> can
> + * then be passed as input to decoders through the
> + * @ref AVCodecContext.coded_side_data "decoder context's side data", for
> + * initialization.
> + * - For muxing, it can be fed through global side data in
> + * @ref AVStream.codecpar.side_data "AVStream's codec parameters",
> typically
> + * the output of encoders through the @ref AVCodecContext.coded_side_data
> + * "encoder context's side data", for initialization.
> + *
> + * Different modules may accept or export different types of side data
> + * depending on media type and codec. Refer to @ref AVPacketSideDataType for
> a
> + * list of defined types and where they may be found or used.
> + */
--
Anton Khirnov
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