On Thu, Nov 22, 2018 at 11:12 PM Hendrik Leppkes <h.lepp...@gmail.com> wrote:
>
> On Thu, Nov 22, 2018 at 4:04 PM Jun Zhao <mypopy...@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 <mypopy...@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
I suppose AV_PKT_DATA_CPB_PROPERTIES / AVCPBProperties side-data just
expose the data from encoder like lib264, but now I need to expose
the max bit rate data from container like MOV/MP4, This is the reason
add a new field in AVStream.
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