[FFmpeg-devel] [PATCH] lavf: move stream==-1 handling from ff_subtitles_queue_seek() to avformat_seek_file()

Michael Niedermayer michaelni at gmx.at
Wed Jan 2 23:05:01 CET 2013


On Wed, Jan 02, 2013 at 11:02:51PM +0100, Clément Bœsch wrote:
> On Wed, Jan 02, 2013 at 10:59:56PM +0100, Michael Niedermayer wrote:
> > Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> > ---
> >  libavformat/subtitles.c |   10 ----------
> >  libavformat/utils.c     |   12 ++++++++++++
> >  2 files changed, 12 insertions(+), 10 deletions(-)
> > 
> > diff --git a/libavformat/subtitles.c b/libavformat/subtitles.c
> > index 4088cf3..5462616 100644
> > --- a/libavformat/subtitles.c
> > +++ b/libavformat/subtitles.c
> > @@ -104,16 +104,6 @@ int ff_subtitles_queue_seek(FFDemuxSubtitlesQueue *q, AVFormatContext *s, int st
> >          int i, idx = -1;
> >          int64_t min_ts_diff = INT64_MAX;
> >          int64_t ts_selected;
> > -        if (stream_index == -1) {
> > -            AVRational time_base = s->streams[0]->time_base;
> > -            ts = av_rescale_q(ts, AV_TIME_BASE_Q, time_base);
> > -            min_ts = av_rescale_rnd(min_ts, time_base.den,
> > -                                    time_base.num * (int64_t)AV_TIME_BASE,
> > -                                    AV_ROUND_UP);
> > -            max_ts = av_rescale_rnd(max_ts, time_base.den,
> > -                                    time_base.num * (int64_t)AV_TIME_BASE,
> > -                                    AV_ROUND_DOWN);
> > -        }
> >          /* TODO: q->subs[] is sorted by pts so we could do a binary search */
> >          for (i = 0; i < q->nb_subs; i++) {
> >              int64_t pts = q->subs[i].pts;
> > diff --git a/libavformat/utils.c b/libavformat/utils.c
> > index c5eb36f..cbf3263 100644
> > --- a/libavformat/utils.c
> > +++ b/libavformat/utils.c
> > @@ -2086,6 +2086,18 @@ int avformat_seek_file(AVFormatContext *s, int stream_index, int64_t min_ts, int
> >      if (s->iformat->read_seek2) {
> >          int ret;
> >          ff_read_frame_flush(s);
> > +
> > +        if (stream_index == -1 && s->nb_streams == 1) {
> > +            AVRational time_base = s->streams[0]->time_base;
> > +            ts = av_rescale_q(ts, AV_TIME_BASE_Q, time_base);
> > +            min_ts = av_rescale_rnd(min_ts, time_base.den,
> > +                                    time_base.num * (int64_t)AV_TIME_BASE,
> > +                                    AV_ROUND_UP);
> > +            max_ts = av_rescale_rnd(max_ts, time_base.den,
> > +                                    time_base.num * (int64_t)AV_TIME_BASE,
> > +                                    AV_ROUND_DOWN);
> > +        }
> > +
> >          ret = s->iformat->read_seek2(s, stream_index, min_ts, ts, max_ts, flags);
> >  
> >          if (ret >= 0)
> 
> Good idea, thanks, LGTM.

applied

thanks

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I do not agree with what you have to say, but I'll defend to the death your
right to say it. -- Voltaire
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
URL: <http://ffmpeg.org/pipermail/ffmpeg-devel/attachments/20130102/03c60fe2/attachment.asc>


More information about the ffmpeg-devel mailing list