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https://github.com/FFmpeg/FFmpeg.git
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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
This commit is contained in:
Vitor Sessak
parent
cc09e77e2a
commit
6986662b5f
@ -41,6 +41,7 @@ enum MXFMetadataSetType {
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Identification,
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ContentStorage,
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SubDescriptor,
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TypeBottom,// add metadata type before this
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};
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typedef struct {
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@ -352,6 +352,108 @@ static void mxf_write_content_storage(AVFormatContext *s)
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mxf_write_uuid(pb, SourcePackage, 0);
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}
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static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type)
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{
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ByteIOContext *pb = s->pb;
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int i;
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if (type == MaterialPackage) {
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mxf_write_metadata_key(pb, 0x013600);
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PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16);
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klv_encode_ber_length(pb, 92 + 16 * s->nb_streams);
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}
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else {
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mxf_write_metadata_key(pb, 0x013700);
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PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16);
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klv_encode_ber_length(pb, 112 + 16 * s->nb_streams); // 20 bytes length for descriptor reference
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}
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// write uid
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mxf_write_local_tag(pb, 16, 0x3C0A);
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mxf_write_uuid(pb, type, 0);
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av_log(s,AV_LOG_DEBUG, "package type:%d\n", type);
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PRINT_KEY(s, "package uid", pb->buf_ptr - 16);
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// write package umid
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mxf_write_local_tag(pb, 32, 0x4401);
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mxf_write_umid(pb, type, 0);
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PRINT_KEY(s, "package umid second part", pb->buf_ptr - 16);
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// write create date
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mxf_write_local_tag(pb, 8, 0x4405);
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put_be64(pb, 0);
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// write modified date
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mxf_write_local_tag(pb, 8, 0x4404);
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put_be64(pb, 0);
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// write track refs
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mxf_write_local_tag(pb, s->nb_streams * 16 + 8, 0x4403);
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mxf_write_refs_count(pb, s->nb_streams);
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for (i = 0; i < s->nb_streams; i++)
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mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, i);
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if (type == SourcePackage) {
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// write multiple descriptor reference
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mxf_write_local_tag(pb, 16, 0x4701);
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mxf_write_uuid(pb, MultipleDescriptor, 0);
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}
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}
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static void mxf_write_track(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type, int *track_number_sign)
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{
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ByteIOContext *pb = s->pb;
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AVStream *st;
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MXFStreamContext *sc;
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const MXFCodecUL *element;
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int i = 0;
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mxf_write_metadata_key(pb, 0x013b00);
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PRINT_KEY(s, "track key", pb->buf_ptr - 16);
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klv_encode_ber_length(pb, 80);
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st = s->streams[stream_index];
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sc = st->priv_data;
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// write track uid
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mxf_write_local_tag(pb, 16, 0x3C0A);
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mxf_write_uuid(pb, type == MaterialPackage ? Track : Track + TypeBottom, stream_index);
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PRINT_KEY(s, "track uid", pb->buf_ptr - 16);
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// write track id
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mxf_write_local_tag(pb, 4, 0x4801);
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put_be32(pb, stream_index);
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mxf_write_local_tag(pb, 4, 0x4804);
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if (type != MaterialPackage) {
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for (element = mxf_essence_element_key; element->id != CODEC_ID_NONE; element++) {
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if (st->codec->codec_id== element->id) {
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// set essence_element key
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memcpy(sc->track_essence_element_key, element->uid, 16);
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sc->track_essence_element_key[15] += track_number_sign[i];
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// write track number
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put_buffer(pb, sc->track_essence_element_key + 12, 4);
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track_number_sign[i] ++;
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break;
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}
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i++;
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}
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} else {
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put_be32(pb, 0); // track number of material package is 0
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}
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mxf_write_local_tag(pb, 8, 0x4B01);
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put_be32(pb, st->time_base.den);
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put_be32(pb, st->time_base.num);
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// write origin
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mxf_write_local_tag(pb, 8, 0x4B02);
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put_be64(pb, 0);
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// write sequence refs
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mxf_write_local_tag(pb, 16, 0x4803);
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mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, stream_index);
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}
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static void mxf_write_common_fields( ByteIOContext *pb, AVStream *st)
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{
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const MXFDataDefinitionUL * data_def_ul;
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@ -380,6 +482,69 @@ static int mux_write_packet(AVFormatContext *s, AVPacket *pkt)
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return 0;
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}
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static void mxf_write_sequence(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type)
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{
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ByteIOContext *pb = s->pb;
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AVStream *st;
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mxf_write_metadata_key(pb, 0x010f00);
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PRINT_KEY(s, "sequence key", pb->buf_ptr - 16);
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klv_encode_ber_length(pb, 80);
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st = s->streams[stream_index];
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mxf_write_local_tag(pb, 16, 0x3C0A);
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mxf_write_uuid(pb, type == MaterialPackage ? Sequence: Sequence + TypeBottom, stream_index);
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PRINT_KEY(s, "sequence uid", pb->buf_ptr - 16);
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mxf_write_common_fields(pb, st);
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// write structural component
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mxf_write_local_tag(pb, 16 + 8, 0x1001);
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mxf_write_refs_count(pb, 1);
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mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, stream_index);
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}
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static void mxf_write_structural_component(AVFormatContext *s, int stream_index, enum MXFMetadataSetType type)
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{
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ByteIOContext *pb = s->pb;
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AVStream *st;
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int i;
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mxf_write_metadata_key(pb, 0x011100);
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PRINT_KEY(s, "sturctural component key", pb->buf_ptr - 16);
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klv_encode_ber_length(pb, 108);
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st = s->streams[stream_index];
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// write uid
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mxf_write_local_tag(pb, 16, 0x3C0A);
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mxf_write_uuid(pb, type == MaterialPackage ? SourceClip: SourceClip + TypeBottom, stream_index);
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PRINT_KEY(s, "structural component uid", pb->buf_ptr - 16);
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mxf_write_common_fields(pb, st);
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// write start_position
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mxf_write_local_tag(pb, 8, 0x1201);
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put_be64(pb, 0);
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mxf_write_local_tag(pb, 32, 0x1101);
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if (type == SourcePackage) {
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// write source package uid, end of the reference
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for (i = 0; i < 4; i++) {
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put_be64(pb, 0);
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}
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} else
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mxf_write_umid(pb, SourcePackage, 0);
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mxf_write_local_tag(pb, 4, 0x1102);
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if (type == SourcePackage)
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// write source track id
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put_be32(pb, 0);
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else
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put_be32(pb, stream_index);
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}
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static void mxf_write_multi_descriptor(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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@ -541,6 +706,46 @@ static int mxf_write_header_metadata_sets(AVFormatContext *s)
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return 0;
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}
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static void mxf_write_partition(AVFormatContext *s, int64_t byte_position, int bodysid, const uint8_t *key)
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{
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MXFContext *mxf = s->priv_data;
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ByteIOContext *pb = s->pb;
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// write klv
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put_buffer(pb, key, 16);
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if (!mxf->essence_container_count)
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mxf->essence_container_count = mxf_write_essence_container_refs(s, 0);
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klv_encode_ber_length(pb, 88 + 16 * mxf->essence_container_count);
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// write partition value
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put_be16(pb, 1); // majorVersion
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put_be16(pb, 2); // minorVersion
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put_be32(pb, 1); // kagSize
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put_be64(pb, byte_position); // thisPartition
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put_be64(pb, 0); // previousPartition
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// set offset
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if (!byte_position)
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mxf->header_footer_partition_offset = url_ftell(pb);
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put_be64(pb, byte_position); // footerPartition,update later
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// set offset
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if (!byte_position)
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mxf->header_byte_count_offset = url_ftell(pb);
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put_be64(pb, 0); // headerByteCount, update later
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// no indexTable
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put_be64(pb, 0); // indexByteCount
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put_be32(pb, 0); // indexSID
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put_be64(pb, 0); // bodyOffset
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put_be32(pb, bodysid); // bodySID
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put_buffer(pb, op1a_ul, 16); // operational pattern
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// essence container
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mxf_write_essence_container_refs(s, 1);
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}
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static int mux_write_header(AVFormatContext *s)
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{
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MXFContext *mxf = s->priv_data;
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