ffmpeg | branch: master | Michael Niedermayer <michae...@gmx.at> | Sat May 16 20:02:01 2015 +0200| [e32d832a82112a7cd4eb277001579c26993f29b8] | committer: Michael Niedermayer
avformat/mxfenc: Set horizontal chroma subsample value from pixel format if available Reviewed-by: tim nicholson <nicho...@yahoo.com> Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e32d832a82112a7cd4eb277001579c26993f29b8 --- libavformat/mxfenc.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 14449c9..659c34f 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -79,6 +79,7 @@ typedef struct MXFStreamContext { int interlaced; ///< whether picture is interlaced int field_dominance; ///< tff=1, bff=2 int component_depth; + int h_chroma_sub_sample; int temporal_reordering; AVRational aspect_ratio; ///< display aspect ratio int closed_gop; ///< gop is closed, used in mpeg-2 frame parsing @@ -1027,7 +1028,7 @@ static void mxf_write_cdci_common(AVFormatContext *s, AVStream *st, const UID ke // horizontal subsampling mxf_write_local_tag(pb, 4, 0x3302); - avio_wb32(pb, 2); + avio_wb32(pb, sc->h_chroma_sub_sample); // frame layout mxf_write_local_tag(pb, 1, 0x320C); @@ -2035,9 +2036,11 @@ static int mxf_write_header(AVFormatContext *s) AVRational rate, tbc = st->time_base; // Default component depth to 8 sc->component_depth = 8; + sc->h_chroma_sub_sample = 2; if (pix_desc) { - sc->component_depth = pix_desc->comp[0].depth_minus1 + 1; + sc->component_depth = pix_desc->comp[0].depth_minus1 + 1; + sc->h_chroma_sub_sample = 1 << pix_desc->log2_chroma_w; } mxf->timecode_base = (tbc.den + tbc.num/2) / tbc.num; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog