[FFmpeg-devel] [PATCH] ffmpeg: use avformat_seek_file() instead of av_seek_frame().

[Clément Bœsch]

On Sun, Nov 25, 2012 at 05:30:00AM +0100, Michael Niedermayer wrote:
> On Sat, Nov 24, 2012 at 06:58:40PM +0100, Clément Bœsch wrote:
> > On Sat, Nov 24, 2012 at 01:13:55AM +0100, Michael Niedermayer wrote:
> > > On Fri, Nov 23, 2012 at 11:51:57PM +0100, Clément Bœsch wrote:
> > > > On Fri, Nov 23, 2012 at 10:13:13PM +0100, Michael Niedermayer wrote:
> > > > > On Fri, Nov 23, 2012 at 09:13:05PM +0100, Clément Bœsch wrote:
> > > > > > avformat_seek_file() is the new API. It will make sure the read_seek2()
> > > > > > callback is called when the demuxer has it.
> > > > > > ---
> > > > > >  ffmpeg_opt.c | 2 +-
> > > > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > > > > 
> > > > > > diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
> > > > > > index 09b4aaf..ad808ff 100644
> > > > > > --- a/ffmpeg_opt.c
> > > > > > +++ b/ffmpeg_opt.c
> > > > > > @@ -807,7 +807,7 @@ static int opt_input_file(void *optctx, const char *opt, const char *filename)
> > > > > >  
> > > > > >      /* if seeking requested, we execute it */
> > > > > >      if (o->start_time != 0) {
> > > > > > -        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
> > > > > > +        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, INT64_MAX, 0);
> > > > > 
> > > > > these are not equivalent.
> > > > > 
> > > > > Also currently if one seeks to X the seek favor backward seeking and
> > > > > can together with skiping everything before X give exact seeking.
> > > > > so the backward favoring should be kept in this case i think
> > > > > 
> > > > 
> > > > OK, replaced locally the 0 into AVSEEK_FLAG_BACKWARD.
> > > 
> > > the max ts should be set equal to timestamp
> > > something like:
> > > avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0);
> > > 
> > 
> > Blocking forward seeking with maxts, fun.
> 
> patch should be ok
> 

Applied, thanks.

-- 
Clément B.
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