mån 2019-04-22 klockan 19:15 +0200 skrev Marton Balint:
> This affects the following samples:
>
> samples/ffmpeg-bugs/roundup/issue1775/av_seek_frame_failure.mxf
> samples/ffmpeg-bugs/trac/ticket1957/16ch.mxf
> samples/ffmpeg-bugs/trac/ticket5016/r0.mxf
> samples/ffmpeg-bugs/trac/ticket5016/r1.mxf
> samples/ffmpeg-bugs/trac/ticket5316/hq.MXF
> samples/ffmpeg-bugs/trac/ticket5316/hqx.MXF
>
> Some AVPacket->pos values are changed because for frame wrapped tracks we
> point
> to the KLV offset and not the data.
>
> > Signed-off-by: Marton Balint <c...@passwd.hu>
> ---
> libavformat/mxfdec.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
> index 2c44852062..034025bcaa 100644
> --- a/libavformat/mxfdec.c
> +++ b/libavformat/mxfdec.c
> @@ -2553,6 +2553,24 @@ static int mxf_parse_structural_metadata(MXFContext
> *mxf)
> }
> }
>
> + for (int i = 0; i < mxf->fc->nb_streams; i++) {
> + MXFTrack *track1 = mxf->fc->streams[i]->priv_data;
> + if (track1 && track1->body_sid) {
> + for (int j = i + 1; j < mxf->fc->nb_streams; j++) {
> + MXFTrack *track2 = mxf->fc->streams[j]->priv_data;
> + if (track2 && track1->body_sid == track2->body_sid &&
> track1->wrapping != track2->wrapping) {
> + if (track1->wrapping == UnknownWrapped)
> + track1->wrapping = track2->wrapping;
> + else if (track2->wrapping == UnknownWrapped)
> + track2->wrapping = track1->wrapping;
> + else
> + av_log(mxf->fc, AV_LOG_ERROR, "stream %d and stream
> %d have the same BodySID (%d) "
> + "with different
> wrapping\n", i, j, track1->body_sid);
> + }
> + }
> + }
> + }
Don't we have mxf_get_wrapping_by_body_sid() for this?
/Tomas
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