[FFmpeg-devel] [PATCH V3 5/7] avformat: add rc_max_rate to AVStream

[Hendrik Leppkes]

On Thu, Nov 22, 2018 at 4:04 PM Jun Zhao <mypopydev at gmail.com> wrote:
>
> This field will be used in demuxer to expose the max bit rate, e,g
> in MOV/MP4 esds box.
>
> Signed-off-by: Jun Zhao <mypopydev at gmail.com>
> ---
>  doc/APIchanges         |    3 +++
>  libavformat/avformat.h |    6 ++++++
>  libavformat/version.h  |    2 +-
>  3 files changed, 10 insertions(+), 1 deletions(-)
>
> diff --git a/doc/APIchanges b/doc/APIchanges
> index db1879e..0921da1 100644
> --- a/doc/APIchanges
> +++ b/doc/APIchanges
> @@ -15,6 +15,9 @@ libavutil:     2017-10-21
>
>  API changes, most recent first:
>
> +2018-11-xx - xxxxxxxxxx - lavf 58.23.100 - avformat.h
> +  Add rc_max_rate to AVStream
> +
>  -------- 8< --------- FFmpeg 4.1 was cut here -------- 8< ---------
>
>  2018-10-27 - 718044dc19 - lavu 56.21.100 - pixdesc.h
> diff --git a/libavformat/avformat.h b/libavformat/avformat.h
> index fdaffa5..1732c24 100644
> --- a/libavformat/avformat.h
> +++ b/libavformat/avformat.h
> @@ -938,6 +938,12 @@ typedef struct AVStream {
>      AVRational avg_frame_rate;
>
>      /**
> +     * The max bitrate of the encoded data (in bits per second).
> +     * - decoding: set by libavformat
> +     */
> +    int64_t rc_max_rate;
> +


We have AV_PKT_DATA_CPB_PROPERTIES / AVCPBProperties side-data for that.

- Hendrik