On Mon, May 18, 2015 at 09:36:17AM +0100, tim nicholson wrote:
> On 16/05/15 19:18, Michael Niedermayer wrote:
> > Signed-off-by: Michael Niedermayer <michae...@gmx.at>
> > ---
> > 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;
> >
>
> LGTMapplied thanks [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Breaking DRM is a little like attempting to break through a door even though the window is wide open and the only thing in the house is a bunch of things you dont want and which you would get tomorrow for free anyway
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