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Code Issues Releases Activity

avformat/mxfenc: write reel_name if metadata key is present

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Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Mark Reid 2017-12-04 20:46:22 -08:00 committed by Michael Niedermayer
parent ad2641c36b
commit 901d87aa83
2 changed files with 36 additions and 7 deletions
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1
libavformat/mxf.h
View File

@ -47,6 +47,7 @@ enum MXFMetadataSetType {
EssenceContainerData,
EssenceGroup,
TaggedValue,
TapeDescriptor,
};
enum MXFFrameLayout {

42
libavformat/mxfenc.c
View File

@ -105,6 +105,7 @@ typedef struct MXFPackage {
char *name;
enum MXFMetadataSetType type;
int instance;
struct MXFPackage *ref;
} MXFPackage;
enum ULIndex {
@ -991,20 +992,33 @@ static void mxf_write_structural_component(AVFormatContext *s, AVStream *st, MXF
// write source package uid, end of the reference
mxf_write_local_tag(pb, 32, 0x1101);
if (package->type == SourcePackage) {
if (!package->ref) {
for (i = 0; i < 4; i++)
avio_wb64(pb, 0);
} else
mxf_write_umid(s, 1);
mxf_write_umid(s, package->ref->instance);
// write source track id
mxf_write_local_tag(pb, 4, 0x1102);
if (package->type == SourcePackage)
if (package->type == SourcePackage && !package->ref)
avio_wb32(pb, 0);
else
avio_wb32(pb, st->index+2);
}
static void mxf_write_tape_descriptor(AVFormatContext *s)
{
AVIOContext *pb = s->pb;
mxf_write_metadata_key(pb, 0x012e00);
PRINT_KEY(s, "tape descriptor key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 20);
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, TapeDescriptor, 0);
PRINT_KEY(s, "tape_desc uid", pb->buf_ptr - 16);
}
static void mxf_write_multi_descriptor(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
@ -1388,13 +1402,17 @@ static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
}
// write multiple descriptor reference
if (package->type == SourcePackage) {
if (package->type == SourcePackage && package->instance == 1) {
mxf_write_local_tag(pb, 16, 0x4701);
if (s->nb_streams > 1) {
mxf_write_uuid(pb, MultipleDescriptor, 0);
mxf_write_multi_descriptor(s);
} else
mxf_write_uuid(pb, SubDescriptor, 0);
} else if (package->type == SourcePackage && package->instance == 2) {
mxf_write_local_tag(pb, 16, 0x4701);
mxf_write_uuid(pb, TapeDescriptor, 0);
mxf_write_tape_descriptor(s);
}
/*
@ -1418,7 +1436,7 @@ static void mxf_write_package(AVFormatContext *s, MXFPackage *package)
mxf_write_structural_component(s, st, package);
mxf->track_instance_count++;
if (package->type == SourcePackage) {
if (package->type == SourcePackage && package->instance == 1) {
MXFStreamContext *sc = st->priv_data;
mxf_essence_container_uls[sc->index].write_desc(s, st);
}
@ -1453,12 +1471,13 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s)
AVDictionaryEntry *entry = NULL;
AVStream *st = NULL;
int i;
MXFPackage packages[2] = {{0}};
MXFPackage packages[3] = {{0}};
int package_count = 2;
packages[0].type = MaterialPackage;
packages[1].type = SourcePackage;
packages[1].instance = 1;
packages[0].ref = &packages[1];
if (entry = av_dict_get(s->metadata, "material_package_name", NULL, 0))
packages[0].name = entry->value;
@ -1476,6 +1495,15 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s)
}
}
entry = av_dict_get(s->metadata, "reel_name", NULL, 0);
if (entry) {
packages[2].name = entry->value;
packages[2].type = SourcePackage;
packages[2].instance = 2;
packages[1].ref = &packages[2];
package_count = 3;
}
mxf_write_preface(s);
mxf_write_identification(s);
mxf_write_content_storage(s, packages, package_count);