Commit 6986662b authored by Vitor Sessak's avatar Vitor Sessak
Browse files

Import more ok'ed chunks of the mxf muxer from the soc tree

Originally committed as revision 14938 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent cc09e77e
......@@ -41,6 +41,7 @@ enum MXFMetadataSetType {
Identification,
ContentStorage,
SubDescriptor,
TypeBottom,// add metadata type before this
};
typedef struct {
......
......@@ -352,6 +352,108 @@ static void mxf_write_content_storage(AVFormatContext *s)
mxf_write_uuid(pb, SourcePackage, 0);
}
static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
{
ByteIOContext *pb = s->pb;
int i;
if (type == MaterialPackage) {
mxf_write_metadata_key(pb, 0x013600);
PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 92 + 16 * s->nb_streams);
}
else {
mxf_write_metadata_key(pb, 0x013700);
PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 112 + 16 * s->nb_streams); // 20 bytes length for descriptor reference
}
// write uid
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, type, 0);
av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
// write package umid
mxf_write_local_tag(pb, 32, 0x4401);
mxf_write_umid(pb, type, 0);
PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
// write create date
mxf_write_local_tag(pb, 8, 0x4405);
put_be64(pb, 0);
// write modified date
mxf_write_local_tag(pb, 8, 0x4404);
put_be64(pb, 0);
// write track refs
mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x4403);
mxf_write_refs_count(pb, s->nb_streams);
for (i = 0; i < s->nb_streams; i++)
mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
if (type == SourcePackage) {
// write multiple descriptor reference
mxf_write_local_tag(pb, 16, 0x4701);
mxf_write_uuid(pb, MultipleDescriptor, 0);
}
}
static void mxf_write_track(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type, int *track_number_sign)
{
ByteIOContext *pb = s->pb;
AVStream *st;
MXFStreamContext *sc;
const MXFCodecUL *element;
int i = 0;
mxf_write_metadata_key(pb, 0x013b00);
PRINT_KEY(s, "track key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 80);
st = s->streams[stream_index];
sc = st->priv_data;
// write track uid
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, stream_index);
PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
// write track id
mxf_write_local_tag(pb, 4, 0x4801);
put_be32(pb, stream_index);
mxf_write_local_tag(pb, 4, 0x4804);
if (type != MaterialPackage) {
for (element = mxf_essence_element_key; element->id != CODEC_ID_NONE; element++) {
if (st->codec->codec_id== element->id) {
// set essence_element key
memcpy(sc->track_essence_element_key, element->uid, 16);
sc->track_essence_element_key[15] += track_number_sign[i];
// write track number
put_buffer(pb, sc->track_essence_element_key + 12, 4);
track_number_sign[i] ++;
break;
}
i++;
}
} else {
put_be32(pb, 0); // track number of material package is 0
}
mxf_write_local_tag(pb, 8, 0x4B01);
put_be32(pb, st->time_base.den);
put_be32(pb, st->time_base.num);
// write origin
mxf_write_local_tag(pb, 8, 0x4B02);
put_be64(pb, 0);
// write sequence refs
mxf_write_local_tag(pb, 16, 0x4803);
mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, stream_index);
}
static void mxf_write_common_fields( ByteIOContext *pb, AVStream *st)
{
const MXFDataDefinitionUL * data_def_ul;
......@@ -380,6 +482,69 @@ static int mux_write_packet(AVFormatContext *s, AVPacket *pkt)
return 0;
}
static void mxf_write_sequence(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type)
{
ByteIOContext *pb = s->pb;
AVStream *st;
mxf_write_metadata_key(pb, 0x010f00);
PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 80);
st = s->streams[stream_index];
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, stream_index);
PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
mxf_write_common_fields(pb, st);
// write structural component
mxf_write_local_tag(pb, 16 + 8, 0x1001);
mxf_write_refs_count(pb, 1);
mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, stream_index);
}
static void mxf_write_structural_component(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type)
{
ByteIOContext *pb = s->pb;
AVStream *st;
int i;
mxf_write_metadata_key(pb, 0x011100);
PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
klv_encode_ber_length(pb, 108);
st = s->streams[stream_index];
// write uid
mxf_write_local_tag(pb, 16, 0x3C0A);
mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, stream_index);
PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
mxf_write_common_fields(pb, st);
// write start_position
mxf_write_local_tag(pb, 8, 0x1201);
put_be64(pb, 0);
mxf_write_local_tag(pb, 32, 0x1101);
if (type == SourcePackage) {
// write source package uid, end of the reference
for (i = 0; i < 4; i++) {
put_be64(pb, 0);
}
} else
mxf_write_umid(pb, SourcePackage, 0);
mxf_write_local_tag(pb, 4, 0x1102);
if (type == SourcePackage)
// write source track id
put_be32(pb, 0);
else
put_be32(pb, stream_index);
}
static void mxf_write_multi_descriptor(AVFormatContext *s)
{
ByteIOContext *pb = s->pb;
......@@ -541,6 +706,46 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s)
return 0;
}
static void mxf_write_partition(AVFormatContext *s, int64_t byte_position, int bodysid, const uint8_t *key)
{
MXFContext *mxf = s->priv_data;
ByteIOContext *pb = s->pb;
// write klv
put_buffer(pb, key, 16);
if (!mxf->essence_container_count)
mxf->essence_container_count = mxf_write_essence_container_refs(s, 0);
klv_encode_ber_length(pb, 88 + 16 * mxf->essence_container_count);
// write partition value
put_be16(pb, 1); // majorVersion
put_be16(pb, 2); // minorVersion
put_be32(pb, 1); // kagSize
put_be64(pb, byte_position); // thisPartition
put_be64(pb, 0); // previousPartition
// set offset
if (!byte_position)
mxf->header_footer_partition_offset = url_ftell(pb);
put_be64(pb, byte_position); // footerPartition,update later
// set offset
if (!byte_position)
mxf->header_byte_count_offset = url_ftell(pb);
put_be64(pb, 0); // headerByteCount, update later
// no indexTable
put_be64(pb, 0); // indexByteCount
put_be32(pb, 0); // indexSID
put_be64(pb, 0); // bodyOffset
put_be32(pb, bodysid); // bodySID
put_buffer(pb, op1a_ul, 16); // operational pattern
// essence container
mxf_write_essence_container_refs(s, 1);
}
static int mux_write_header(AVFormatContext *s)
{
MXFContext *mxf = s->priv_data;
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment