summaryrefslogtreecommitdiff
path: root/libavformat/mxfenc.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michaelni@gmx.at>2015-05-16 20:02:01 +0200
committerMichael Niedermayer <michaelni@gmx.at>2015-05-18 10:52:40 +0200
commite32d832a82112a7cd4eb277001579c26993f29b8 (patch)
tree21da110378601e1bac480c3e2c04c70352420aa8 /libavformat/mxfenc.c
parent58afb3128bc650dbc22ae0a8d167be24d8863dfe (diff)
avformat/mxfenc: Set horizontal chroma subsample value from pixel format if available
Reviewed-by: tim nicholson <nichot20@yahoo.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/mxfenc.c')
-rw-r--r--libavformat/mxfenc.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index 14449c9f19..659c34fa73 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;