[FFmpeg-devel] [PATCH 10/18] lavf: move AVStream.*index_entries* to AVStreamInternal

[Hendrik Leppkes]

On Mon, Nov 16, 2020 at 4:20 PM James Almer <jamrial at gmail.com> wrote:
>
> On 11/16/2020 3:01 AM, Anton Khirnov wrote:
> > Quoting Xiang, Haihao (2020-11-16 06:16:55)
> >>
> >> This change breaks the compiling of gst-libav (
> >> https://gitlab.freedesktop.org/gstreamer/gst-libav), I filed
> >> https://trac.ffmpeg.org/ticket/8988 to track this regression.
> >
> > This is not a regression, it's a bug in gst-libav. These fields are
> > private and have always been private, applications accessing them are
> > broken.
>
> Looking at that ticket, it seems gst-libav wants the timestamp for a
> given index entry. Unless this can already be achieved in some other
> way, it could maybe be implemented cleanly with a new public function
> (We have av_index_search_timestamp() to fetch an index from a timestamp
> after all).

I also like being able to access the index, it can be used by players
to efficiently offer seeking straight to keyframes (eg. index
entries), which basically requires iterating over the full index and
getting the full information (timestamp, flags at least)

- Hendrik