+ if (_reels.front()->main_sound()) {
+ shared_ptr<const SoundAsset> asset = _reels.front()->main_sound()->asset();
+ if (asset) {
+ shared_ptr<SoundAssetReader> reader = asset->start_read ();
+ ASDCP::MXF::SoundfieldGroupLabelSubDescriptor* soundfield;
+ ASDCP::Result_t r = reader->reader()->OP1aHeader().GetMDObjectByType(
+ asdcp_smpte_dict->ul(ASDCP::MDD_SoundfieldGroupLabelSubDescriptor),
+ reinterpret_cast<ASDCP::MXF::InterchangeObject**>(&soundfield)
+ );
+ if (KM_SUCCESS(r)) {
+ xmlpp::Element* mca_subs = meta->add_child("mca:MCASubDescriptors");
+ mca_subs->set_namespace_declaration (mca_sub_descriptors_ns, "mca");
+ mca_subs->set_namespace_declaration (smpte_395_ns, "r0");
+ mca_subs->set_namespace_declaration (smpte_335_ns, "r1");
+ xmlpp::Element* sf = mca_subs->add_child("SoundfieldGroupLabelSubDescriptor", "r0");
+ char buffer[64];
+ soundfield->InstanceUID.EncodeString(buffer, sizeof(buffer));
+ sf->add_child("InstanceID", "r1")->add_child_text("urn:uuid:" + string(buffer));
+ soundfield->MCALabelDictionaryID.EncodeString(buffer, sizeof(buffer));
+ sf->add_child("MCALabelDictionaryID", "r1")->add_child_text("urn:smpte:ul:" + string(buffer));
+ soundfield->MCALinkID.EncodeString(buffer, sizeof(buffer));
+ sf->add_child("MCALinkID", "r1")->add_child_text("urn:uuid:" + string(buffer));
+ soundfield->MCATagSymbol.EncodeString(buffer, sizeof(buffer));
+ sf->add_child("MCATagSymbol", "r1")->add_child_text(buffer);
+ if (!soundfield->MCATagName.empty()) {
+ soundfield->MCATagName.get().EncodeString(buffer, sizeof(buffer));
+ sf->add_child("MCATagName", "r1")->add_child_text(buffer);
+ }
+ if (!soundfield->RFC5646SpokenLanguage.empty()) {
+ soundfield->RFC5646SpokenLanguage.get().EncodeString(buffer, sizeof(buffer));
+ sf->add_child("RFC5646SpokenLanguage", "r1")->add_child_text(buffer);
+ }
+
+ list<ASDCP::MXF::InterchangeObject*> channels;
+ ASDCP::Result_t r = reader->reader()->OP1aHeader().GetMDObjectsByType(
+ asdcp_smpte_dict->ul(ASDCP::MDD_AudioChannelLabelSubDescriptor),
+ channels
+ );
+
+ BOOST_FOREACH (ASDCP::MXF::InterchangeObject* i, channels) {
+ ASDCP::MXF::AudioChannelLabelSubDescriptor* channel = reinterpret_cast<ASDCP::MXF::AudioChannelLabelSubDescriptor*>(i);
+ xmlpp::Element* ch = mca_subs->add_child("AudioChannelLabelSubDescriptor", "r0");
+ channel->InstanceUID.EncodeString(buffer, sizeof(buffer));
+ ch->add_child("InstanceID", "r1")->add_child_text("urn:uuid:" + string(buffer));
+ channel->MCALabelDictionaryID.EncodeString(buffer, sizeof(buffer));
+ ch->add_child("MCALabelDictionaryID", "r1")->add_child_text("urn:smpte:ul:" + string(buffer));
+ channel->MCALinkID.EncodeString(buffer, sizeof(buffer));
+ ch->add_child("MCALinkID", "r1")->add_child_text("urn:uuid:" + string(buffer));
+ channel->MCATagSymbol.EncodeString(buffer, sizeof(buffer));
+ ch->add_child("MCATagSymbol", "r1")->add_child_text(buffer);
+ if (!channel->MCATagName.empty()) {
+ channel->MCATagName.get().EncodeString(buffer, sizeof(buffer));
+ ch->add_child("MCATagName", "r1")->add_child_text(buffer);
+ }
+ if (!channel->MCAChannelID.empty()) {
+ ch->add_child("MCAChannelID", "r1")->add_child_text(raw_convert<string>(channel->MCAChannelID.get()));
+ }
+ if (!channel->RFC5646SpokenLanguage.empty()) {
+ channel->RFC5646SpokenLanguage.get().EncodeString(buffer, sizeof(buffer));
+ ch->add_child("RFC5646SpokenLanguage", "r1")->add_child_text(buffer);
+ }
+ if (!channel->SoundfieldGroupLinkID.empty()) {
+ channel->SoundfieldGroupLinkID.get().EncodeString(buffer, sizeof(buffer));
+ ch->add_child("SoundfieldGroupLinkID", "r1")->add_child_text("urn:uuid:" + string(buffer));
+ }
+ }
+ }
+ }
+ }