On 5/1/18, Michael Niedermayer <mich...@niedermayer.cc> wrote: > On Tue, May 01, 2018 at 05:48:32PM +0200, Paul B Mahol wrote: >> This one actually works with hd1080 y4m files when seeking backwards. >> >> Signed-off-by: Paul B Mahol <one...@gmail.com> >> --- >> libavformat/yuv4mpegdec.c | 8 +++----- >> 1 file changed, 3 insertions(+), 5 deletions(-) >> >> diff --git a/libavformat/yuv4mpegdec.c b/libavformat/yuv4mpegdec.c >> index 8662a42a4c..de3d5637fe 100644 >> --- a/libavformat/yuv4mpegdec.c >> +++ b/libavformat/yuv4mpegdec.c >> @@ -317,11 +317,9 @@ static int yuv4_read_seek(AVFormatContext *s, int >> stream_index, >> AVStream *st = s->streams[0]; >> int64_t pos; >> >> - pos = av_rescale_rnd(pts * s->packet_size, >> - st->time_base.num, >> - st->time_base.den * s->packet_size, >> - (flags & AVSEEK_FLAG_BACKWARD) ? AV_ROUND_DOWN : >> AV_ROUND_UP); >> - pos *= s->packet_size; >> + if (flags & AVSEEK_FLAG_BACKWARD) >> + pts -= 1; >> + pos = pts * s->packet_size; >> >> if (avio_seek(s->pb, pos + s->internal->data_offset, SEEK_SET) < 0) >> return -1; > > breaks fate-seek-lavf-yuv4mpeg >
If you have no other remarks, I will update reference and push patch. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
