[FFmpeg-devel] [PATCH v2 1/2] avformat: add AVFormatContext.first_pkt_wallclock

[Anton Khirnov]

Quoting Gyan Doshi (2022-06-28 08:40:58)
> 
> 
> On 2022-06-28 10:43 am, Anton Khirnov wrote:
> > Quoting Gyan Doshi (2022-06-25 10:29:50)
> >> Stores wallclock time for the first packet received.
> >> Used for crude sync offset among inputs.
> >> ---
> >>   doc/APIchanges         |  3 +++
> >>   libavformat/avformat.h | 10 ++++++++++
> >>   libavformat/demux.c    |  3 +++
> >>   libavformat/options.c  |  1 +
> >>   libavformat/version.h  |  2 +-
> >>   5 files changed, 18 insertions(+), 1 deletion(-)
> > Why should this be in the library? Seems to me this can be just as
> > easily done by the callers who need it.
> 
> To not add some extra latency,  just like how 
> `use_wallclock_as_timestamps` was implemented inside lavf.

Where would that extra latency come from?
I see no reason for use_wallclock_as_timestamps to exist either, it can
just as well be used from ffmpeg.c or whatever caller needs it.

-- 
Anton Khirnov