MrBesen/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

write essence container data

Browse Source 
Originally committed as revision 16733 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-01-23 20:57:12 +00:00
parent 5e4aa542de
commit 6e4668b8a9
2 changed files with 28 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
libavformat/mxf.h
View File

@ -42,6 +42,7 @@ enum MXFMetadataSetType {
ContentStorage,
SubDescriptor,
IndexTableSegment,
EssenceContainerData,
TypeBottom,// add metadata type before this
};

28
libavformat/mxfenc.c
View File

@ -120,6 +120,7 @@ static const MXFLocalTagPair mxf_local_tag_batch[] = {
{ 0x3C06, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x07,0x02,0x01,0x10,0x02,0x03,0x00,0x00}}, /* Modification Date */
// Content Storage
{ 0x1901, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x01,0x00,0x00}}, /* Package strong reference batch */
{ 0x1902, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x04,0x05,0x02,0x00,0x00}}, /* Package strong reference batch */
// Essence Container Data
{ 0x2701, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x02,0x06,0x01,0x01,0x06,0x01,0x00,0x00,0x00}}, /* Linked Package UID */
{ 0x3F07, {0x06,0x0E,0x2B,0x34,0x01,0x01,0x01,0x04,0x01,0x03,0x04,0x04,0x00,0x00,0x00,0x00}}, /* BodySID */
@ -376,7 +377,7 @@ static void mxf_write_content_storage(AVFormatContext *s)
mxf_write_metadata_key(pb, 0x011800);
PRINT_KEY(s, "content storage key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 64);
klv_encode_ber_length(pb, 92);
// write uid
mxf_write_local_tag(pb, 16, 0x3C0A);
@ -388,6 +389,11 @@ static void mxf_write_content_storage(AVFormatContext *s)
mxf_write_refs_count(pb, 2);
mxf_write_uuid(pb, MaterialPackage, 0);
mxf_write_uuid(pb, SourcePackage, 0);
// write essence container data
mxf_write_local_tag(pb, 8 + 16, 0x1902);
mxf_write_refs_count(pb, 1);
mxf_write_uuid(pb, EssenceContainerData, 0);
}
static void mxf_write_track(AVFormatContext *s, AVStream *st, enum MXFMetadataSetType type)
@ -659,6 +665,25 @@ static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
}
}
static int mxf_write_essence_container_data(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
mxf_write_metadata_key(pb, 0x012300);
klv_encode_ber_length(pb, 64);
mxf_write_local_tag(pb, 16, 0x3C0A); // Instance UID
mxf_write_uuid(pb, EssenceContainerData, 0);
mxf_write_local_tag(pb, 32, 0x2701); // Linked Package UID
mxf_write_umid(pb, SourcePackage, 0);
mxf_write_local_tag(pb, 4, 0x3F07); // BodySID
put_be32(pb, 1);
return 0;
}
static int mxf_write_header_metadata_sets(AVFormatContext *s)
{
mxf_write_preface(s);
@ -666,6 +691,7 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s)
mxf_write_content_storage(s);
mxf_write_package(s, MaterialPackage);
mxf_write_package(s, SourcePackage);
mxf_write_essence_container_data(s);
return 0;
}