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authorNicolas Gaullier <nicolas.gaullier@cji.paris>2021-12-14 16:27:43 +0100
committerMarton Balint <cus@passwd.hu>2021-12-27 00:39:35 +0100
commitdd7c0bc4f981f7113d7bef267cc1eca8d9fb10f1 (patch)
tree7fa6753f2c273ef160662b2e87042f2e3ff6029c /libavformat/mxfenc.c
parent1cbeac0c2f7e15add5fed0a306f63a87b330c0a1 (diff)
avformat/mxfenc: fix DNxHD GC element_type
The values for the essence element type were updated in the spec from 0x05/0x06 (ST2019-4 2008) to 0x0C/0x0D (ST2019-4 2009). Fixes ticket #6380. Thanks-to: Philip de Nier <philip.denier@bbc.co.uk> Thanks-to: Matthieu Bouron <matthieu.bouron@gmail.com> Reviewed-by: Matthieu Bouron <matthieu.bouron@gmail.com> Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se> Signed-off-by: Nicolas Gaullier <nicolas.gaullier@cji.paris> Signed-off-by: Marton Balint <cus@passwd.hu>
Diffstat (limited to 'libavformat/mxfenc.c')
-rw-r--r--libavformat/mxfenc.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index ec0ea7ee70..873d64a5fd 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -32,6 +32,7 @@
* SMPTE 379M MXF Generic Container
* SMPTE 381M Mapping MPEG Streams into the MXF Generic Container
* SMPTE 422M Mapping JPEG 2000 Codestreams into the MXF Generic Container
+ * SMPTE ST2019-4 (2009 or later) Mapping VC-3 Coding Units into the MXF Generic Container
* SMPTE RP210: SMPTE Metadata Dictionary
* SMPTE RP224: Registry of SMPTE Universal Labels
*/
@@ -181,7 +182,7 @@ static const MXFContainerEssenceEntry mxf_essence_container_uls[] = {
mxf_write_cdci_desc },
// DNxHD
{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x0D,0x01,0x03,0x01,0x02,0x11,0x01,0x00 },
- { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x05,0x00 },
+ { 0x06,0x0E,0x2B,0x34,0x01,0x02,0x01,0x01,0x0D,0x01,0x03,0x01,0x15,0x01,0x0C,0x00 },
{ 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x71,0x01,0x00,0x00 },
mxf_write_cdci_desc },
// JPEG2000
@@ -2674,6 +2675,12 @@ static int mxf_init(AVFormatContext *s)
memcpy(sc->track_essence_element_key, mxf_essence_container_uls[sc->index].element_ul, 15);
sc->track_essence_element_key[15] = present[sc->index];
+ if (s->oformat == &ff_mxf_opatom_muxer && st->codecpar->codec_id == AV_CODEC_ID_DNXHD) {
+ // clip-wrapping requires 0x0D per ST2019-4:2009 or 0x06 per previous version ST2019-4:2008
+ // we choose to use 0x06 instead 0x0D to be compatible with AVID systems
+ // and produce mxf files with the most relevant flavour for opatom
+ sc->track_essence_element_key[14] = 0x06;
+ }
PRINT_KEY(s, "track essence element key", sc->track_essence_element_key);
if (!present[sc->index])