- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x00,0x00,0x00,0x00 }, CODEC_ID_PCM_S16LE, Frame }, /* Uncompressed */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x01,0x7F,0x00,0x00,0x00 }, CODEC_ID_PCM_S16LE, Frame },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x07,0x04,0x02,0x02,0x01,0x7E,0x00,0x00,0x00 }, CODEC_ID_PCM_S16BE, Frame }, /* From Omneon MXF file */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x01,0x01,0x00 }, CODEC_ID_PCM_ALAW, Frame },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x04,0x04,0x02,0x02,0x02,0x03,0x01,0x01,0x00 }, CODEC_ID_PCM_ALAW, Frame }, /* XDCAM Proxy C0023S01.mxf */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x01,0x00 }, CODEC_ID_AC3, Frame },
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x05,0x00 }, CODEC_ID_MP2, Frame }, /* MP2 or MP3 */
- //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x04,0x02,0x02,0x02,0x03,0x02,0x1C,0x00 }, CODEC_ID_DOLBY_E, Frame }, /* Dolby-E */
- { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, CODEC_ID_NONE, Frame },
-};
-
-static const MXFCodecUL mxf_picture_essence_container_uls[] = {
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, CODEC_ID_MPEG2VIDEO, Frame }, /* MPEG-ES Frame wrapped */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xe0,0x02 }, CODEC_ID_MPEG2VIDEO, Clip }, /* MPEG-ES Clip wrapped, 0xe0 MPV stream id */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x04,0x61,0x07 }, CODEC_ID_MPEG2VIDEO, Clip }, /* MPEG-ES Custom wrapped, 0x61 ??? stream id */
- { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, CODEC_ID_NONE, Frame },
-};
-
-static const MXFCodecUL mxf_sound_essence_container_uls[] = {
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 }, CODEC_ID_PCM_S16LE, Frame }, /* BWF Frame wrapped */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 }, CODEC_ID_PCM_S16LE, Frame }, /* AES Frame wrapped */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, CODEC_ID_MP2, Frame }, /* MPEG-ES Frame wrapped, 0x40 ??? stream id */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xc0,0x01 }, CODEC_ID_MP2, Frame }, /* MPEG-ES Frame wrapped, 0xc0 MPA stream id */
- { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xc0,0x02 }, CODEC_ID_MP2, Clip }, /* MPEG-ES Clip wrapped, 0xc0 MPA stream id */
- //{ { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 }, CODEC_ID_PCM_AES3, Frame }, /* D-10 Mapping 30Mbps PAL Extended Template */
- { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, CODEC_ID_NONE, Frame },
-};
-
-static const MXFCodecUL *mxf_get_codec_ul(const MXFCodecUL *uls, UID *uid)
-{
- while (uls->id != CODEC_ID_NONE) {
- if(!memcmp(uls->uid, *uid, 16))
- break;
- uls++;
- }
- return uls;
-}
-
-static void *mxf_resolve_strong_ref(MXFContext *mxf, UID *strong_ref)
-{
- int i;
-
- if (!strong_ref)
- return NULL;
- for (i = 0; i < mxf->metadata_sets_count; i++) {
- if (!memcmp(*strong_ref, mxf->metadata_sets[i]->uid, 16)) {
- return mxf->metadata_sets[i];
- }
- }
- return NULL;
-}
-
-static int mxf_parse_structural_metadata(MXFContext *mxf)
-{
- MXFPackage *material_package = NULL;
- MXFPackage *source_package = NULL;
- MXFPackage *temp_package = NULL;
- int i, j, k;
-
- dprintf("metadata sets count %d\n", mxf->metadata_sets_count);
- /* TODO: handle multiple material packages (OP3x) */
- for (i = 0; i < mxf->packages_count; i++) {
- if (!(temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[i]))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve package strong ref\n");
- return -1;
- }
- if (temp_package->type == MaterialPackage) {
- material_package = temp_package;
- break;
- }
- }
- if (!material_package) {
- av_log(mxf->fc, AV_LOG_ERROR, "no material package found\n");
- return -1;
- }
-
- for (i = 0; i < material_package->tracks_count; i++) {
- MXFTrack *material_track = NULL;
- MXFTrack *source_track = NULL;
- MXFTrack *temp_track = NULL;
- MXFDescriptor *descriptor = NULL;
- MXFStructuralComponent *component = NULL;
- const MXFCodecUL *codec_ul = NULL;
- const MXFCodecUL *container_ul = NULL;
- AVStream *st;
-
- if (!(material_track = mxf_resolve_strong_ref(mxf, &material_package->tracks_refs[i]))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve material track strong ref\n");
- continue;
- }
-
- if (!(material_track->sequence = mxf_resolve_strong_ref(mxf, &material_track->sequence_ref))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve material track sequence strong ref\n");
- return -1;
- }
-
- /* TODO: handle multiple source clips */
- for (j = 0; j < material_track->sequence->structural_components_count; j++) {
- /* TODO: handle timecode component */
- component = mxf_resolve_strong_ref(mxf, &material_track->sequence->structural_components_refs[j]);
- if (!component || component->type != SourceClip)
- continue;
-
- for (k = 0; k < mxf->packages_count; k++) {
- if (!(temp_package = mxf_resolve_strong_ref(mxf, &mxf->packages_refs[k]))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track strong ref\n");
- return -1;
- }
- if (!memcmp(temp_package->package_uid, component->source_package_uid, 16)) {
- source_package = temp_package;
- break;
- }
- }
- if (!source_package) {
- av_log(mxf->fc, AV_LOG_ERROR, "material track %d: no corresponding source package found\n", material_track->track_id);
- break;
- }
- for (k = 0; k < source_package->tracks_count; k++) {
- if (!(temp_track = mxf_resolve_strong_ref(mxf, &source_package->tracks_refs[k]))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track strong ref\n");
- return -1;
- }
- if (temp_track->track_id == component->source_track_id) {
- source_track = temp_track;
- break;
- }
- }
- if (!source_track) {
- av_log(mxf->fc, AV_LOG_ERROR, "material track %d: no corresponding source track found\n", material_track->track_id);
- break;
- }
- }
- if (!source_track)
- continue;
-
- st = av_new_stream(mxf->fc, source_track->track_id);
- st->priv_data = source_track;
- st->duration = component->duration;
- if (st->duration == -1)
- st->duration = AV_NOPTS_VALUE;
- st->start_time = component->start_position;
- av_set_pts_info(st, 64, material_track->edit_rate.num, material_track->edit_rate.den);
-
- if (!(source_track->sequence = mxf_resolve_strong_ref(mxf, &source_track->sequence_ref))) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve source track sequence strong ref\n");
- return -1;
- }
-
-#ifdef DEBUG
- PRINT_KEY(source_track->sequence->data_definition_ul);
-#endif
- if (!memcmp(source_track->sequence->data_definition_ul, picture_essence_track_ul, 16))
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- else if (!memcmp(source_track->sequence->data_definition_ul, sound_essence_track_ul, 16))
- st->codec->codec_type = CODEC_TYPE_AUDIO;
- else
- st->codec->codec_type = CODEC_TYPE_DATA;
-
- source_package->descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor_ref);
- if (source_package->descriptor) {
- if (source_package->descriptor->type == MultipleDescriptor) {
- for (j = 0; j < source_package->descriptor->sub_descriptors_count; j++) {
- MXFDescriptor *sub_descriptor = mxf_resolve_strong_ref(mxf, &source_package->descriptor->sub_descriptors_refs[j]);
-
- if (!sub_descriptor) {
- av_log(mxf->fc, AV_LOG_ERROR, "could not resolve sub descriptor strong ref\n");
- continue;
- }
- if (sub_descriptor->linked_track_id == source_track->track_id) {
- descriptor = sub_descriptor;
- break;
- }
- }
- } else
- descriptor = source_package->descriptor;
- }
- if (!descriptor) {
- av_log(mxf->fc, AV_LOG_INFO, "source track %d: stream %d, no descriptor found\n", source_track->track_id, st->index);
- continue;
- }
-#ifdef DEBUG
- PRINT_KEY(descriptor->essence_codec_ul);
- PRINT_KEY(descriptor->essence_container_ul);
-#endif
- /* TODO: drop PictureEssenceCoding and SoundEssenceCompression, only check EssenceContainer */
- codec_ul = mxf_get_codec_ul(mxf_codec_uls, &descriptor->essence_codec_ul);
- st->codec->codec_id = codec_ul->id;
- if (descriptor->extradata) {
- st->codec->extradata = descriptor->extradata;
- st->codec->extradata_size = descriptor->extradata_size;
- }
- if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
- container_ul = mxf_get_codec_ul(mxf_picture_essence_container_uls, &descriptor->essence_container_ul);
- if (st->codec->codec_id == CODEC_ID_NONE)
- st->codec->codec_id = container_ul->id;
- st->codec->width = descriptor->width;
- st->codec->height = descriptor->height;
- st->codec->bits_per_sample = descriptor->bits_per_sample; /* Uncompressed */
- } else if (st->codec->codec_type == CODEC_TYPE_AUDIO) {
- container_ul = mxf_get_codec_ul(mxf_sound_essence_container_uls, &descriptor->essence_container_ul);
- if (st->codec->codec_id == CODEC_ID_NONE)
- st->codec->codec_id = container_ul->id;
- st->codec->channels = descriptor->channels;
- st->codec->bits_per_sample = descriptor->bits_per_sample;
- st->codec->sample_rate = descriptor->sample_rate.num / descriptor->sample_rate.den;
- /* TODO: implement CODEC_ID_RAWAUDIO */
- if (st->codec->codec_id == CODEC_ID_PCM_S16LE) {
- if (descriptor->bits_per_sample == 24)
- st->codec->codec_id = CODEC_ID_PCM_S24LE;
- else if (descriptor->bits_per_sample == 32)
- st->codec->codec_id = CODEC_ID_PCM_S32LE;
- } else if (st->codec->codec_id == CODEC_ID_PCM_S16BE) {
- if (descriptor->bits_per_sample == 24)
- st->codec->codec_id = CODEC_ID_PCM_S24BE;
- else if (descriptor->bits_per_sample == 32)
- st->codec->codec_id = CODEC_ID_PCM_S32BE;
- }
- }
- if (container_ul && container_ul->wrapping == Clip) {
- dprintf("stream %d: clip wrapped essence\n", st->index);
- st->need_parsing = 1;
- }
- }
- return 0;
-}
-
-static const MXFMetadataReadTableEntry mxf_metadata_read_table[] = {
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x2F,0x00 }, mxf_read_metadata_preface },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 }, mxf_read_metadata_content_storage },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 }, mxf_read_metadata_source_package },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 }, mxf_read_metadata_material_package },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0F,0x00 }, mxf_read_metadata_sequence },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 }, mxf_read_metadata_source_clip },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 }, mxf_read_metadata_multiple_descriptor },
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }, mxf_read_metadata_generic_descriptor }, /* Generic Sound */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }, mxf_read_metadata_generic_descriptor }, /* CDCI */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 }, mxf_read_metadata_generic_descriptor }, /* RGBA */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_read_metadata_generic_descriptor }, /* MPEG 2 Video */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }, mxf_read_metadata_generic_descriptor }, /* Wave */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }, mxf_read_metadata_generic_descriptor }, /* AES3 */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 }, mxf_read_metadata_track }, /* Static Track */
- { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 }, mxf_read_metadata_track }, /* Generic Track */
- { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, NULL },
-};
-
-static int mxf_read_header(AVFormatContext *s, AVFormatParameters *ap)
-{
- MXFContext *mxf = s->priv_data;
- KLVPacket klv;
-
- mxf->fc = s;
- dprintf("header offset %llx\n", mxf_header_offset);
- if (url_fseek(&s->pb, mxf_header_offset, SEEK_SET) < 0) {
- av_log(s, AV_LOG_ERROR, "error seeking to header offset\n");
- return -1;
- }
- while (!url_feof(&s->pb)) {
- const MXFMetadataReadTableEntry *function;
-
- if (klv_read_packet(&klv, &s->pb) < 0) {
- av_log(s, AV_LOG_ERROR, "error reading KLV packet\n");
- return -1;
- }
-#ifdef DEBUG
- PRINT_KEY(klv.key);
-#endif
- if (IS_KLV_KEY(klv.key, mxf_essence_element_key)) {
- /* FIXME avoid seek */
- url_fseek(&s->pb, klv.offset, SEEK_SET);
- break;
- }
-
- for (function = mxf_metadata_read_table; function->read; function++) {
- if (IS_KLV_KEY(klv.key, function->key)) {
- if (function->read(mxf, &klv) < 0) {
- av_log(s, AV_LOG_ERROR, "error reading header metadata\n");
- return -1;
- }
- break;
- }
- }
- if (!function->read)
- url_fskip(&s->pb, klv.length);
- }
- return mxf_parse_structural_metadata(mxf);
-}
-
-static int mxf_read_close(AVFormatContext *s)
-{
- MXFContext *mxf = s->priv_data;
- int i;
-
- av_freep(&mxf->packages_refs);
- av_freep(&mxf->essence_container_data_sets_refs);
- av_freep(&mxf->essence_containers_uls);
- for (i = 0; i < mxf->metadata_sets_count; i++) {
- switch (mxf->metadata_sets[i]->type) {
- case MultipleDescriptor:
- av_freep(&((MXFDescriptor *)mxf->metadata_sets[i])->sub_descriptors_refs);
- break;
- case Sequence:
- av_freep(&((MXFSequence *)mxf->metadata_sets[i])->structural_components_refs);
- break;
- case SourcePackage:
- case MaterialPackage:
- av_freep(&((MXFPackage *)mxf->metadata_sets[i])->tracks_refs);
- break;
- default:
- break;
- }
- av_freep(&mxf->metadata_sets[i]);
- }
- av_freep(&mxf->metadata_sets);
- return 0;
-}
-
-static int mxf_probe(AVProbeData *p) {
- uint8_t *bufp = p->buf;
- uint8_t *end = p->buf + p->buf_size;
-
- if (p->buf_size < sizeof(mxf_header_partition_pack_key))
- return 0;
-
- /* Must skip Run-In Sequence and search for MXF header partition pack key SMPTE 377M 5.5 */
- end -= sizeof(mxf_header_partition_pack_key);
- for (; bufp < end; bufp++) {
- if (IS_KLV_KEY(bufp, mxf_header_partition_pack_key)) {
- mxf_header_offset = bufp - p->buf;
- return AVPROBE_SCORE_MAX;
- }
- }
- return 0;
-}
-
-
-AVInputFormat mxf_demuxer = {
- "mxf",
- "MXF format",
- sizeof(MXFContext),
- mxf_probe,
- mxf_read_header,
- mxf_read_packet,
- mxf_read_close,
- NULL,