ASDCP::Result_t
ASDCP::ATMOS::MXFReader::h__Reader::OpenRead(const std::string& filename)
{
Result_t result = DCData::h__Reader::OpenRead(filename);
if( ASDCP_SUCCESS(result) )
{
if (NULL == m_EssenceSubDescriptor)
{
InterchangeObject* iObj = NULL;
result = m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(DolbyAtmosSubDescriptor), &iObj);
m_EssenceSubDescriptor = static_cast<MXF::DolbyAtmosSubDescriptor*>(iObj);
if ( iObj == 0 )
{
DefaultLogSink().Error("DolbyAtmosSubDescriptor object not found.\n");
return RESULT_FORMAT;
}
}
if ( ASDCP_SUCCESS(result) )
{
result = MD_to_Atmos_ADesc(m_ADesc);
}
}
return result;
}
// Automatically sets the MXF file's metadata from the WAV parser info.
ASDCP::Result_t
ASDCP::PCM::MXFWriter::h__Writer::SetSourceStream(const AudioDescriptor& ADesc)
{
if ( ! m_State.Test_INIT() )
return RESULT_STATE;
if ( ADesc.EditRate != EditRate_24
&& ADesc.EditRate != EditRate_25
&& ADesc.EditRate != EditRate_30
&& ADesc.EditRate != EditRate_48
&& ADesc.EditRate != EditRate_50
&& ADesc.EditRate != EditRate_60
&& ADesc.EditRate != EditRate_96
&& ADesc.EditRate != EditRate_100
&& ADesc.EditRate != EditRate_120
&& ADesc.EditRate != EditRate_16
&& ADesc.EditRate != EditRate_18
&& ADesc.EditRate != EditRate_20
&& ADesc.EditRate != EditRate_22
&& ADesc.EditRate != EditRate_23_98 )
{
DefaultLogSink().Error("AudioDescriptor.EditRate is not a supported value: %d/%d\n",
ADesc.EditRate.Numerator, ADesc.EditRate.Denominator);
return RESULT_RAW_FORMAT;
}
if ( ADesc.AudioSamplingRate != SampleRate_48k && ADesc.AudioSamplingRate != SampleRate_96k )
{
DefaultLogSink().Error("AudioDescriptor.AudioSamplingRate is not 48000/1 or 96000/1: %d/%d\n",
ADesc.AudioSamplingRate.Numerator, ADesc.AudioSamplingRate.Denominator);
return RESULT_RAW_FORMAT;
}
assert(m_Dict);
m_ADesc = ADesc;
Result_t result = PCM_ADesc_to_MD(m_ADesc, (WaveAudioDescriptor*)m_EssenceDescriptor);
if ( ASDCP_SUCCESS(result) )
{
memcpy(m_EssenceUL, m_Dict->ul(MDD_WAVEssence), SMPTE_UL_LENGTH);
m_EssenceUL[SMPTE_UL_LENGTH-1] = 1; // first (and only) essence container
result = m_State.Goto_READY();
}
if ( ASDCP_SUCCESS(result) )
{
result = WriteASDCPHeader(PCM_PACKAGE_LABEL, UL(m_Dict->ul(MDD_WAVWrappingFrame)),
SOUND_DEF_LABEL, UL(m_EssenceUL), UL(m_Dict->ul(MDD_SoundDataDef)),
m_ADesc.EditRate, derive_timecode_rate_from_edit_rate(m_ADesc.EditRate),
calc_CBR_frame_size(m_Info, m_ADesc));
}
return result;
}
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::InitFromTLVSet(TLVReader& TLVSet)
{
Result_t result = InterchangeObject::InitFromTLVSet(TLVSet);
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegmentBase, IndexEditRate));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexStartPosition));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi64(OBJ_READ_ARGS(IndexTableSegmentBase, IndexDuration));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, EditUnitByteCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(IndexTableSegmentBase, IndexSID));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi32(OBJ_READ_ARGS(EssenceContainerData, BodySID));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, SliceCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadUi8(OBJ_READ_ARGS(IndexTableSegmentBase, PosTableCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.ReadObject(OBJ_READ_ARGS(IndexTableSegment, DeltaEntryArray));
if ( ASDCP_SUCCESS(result) )
{
bool rc = TLVSet.FindTL(m_Dict->Type(MDD_IndexTableSegment_IndexEntryArray));
if ( rc )
{
ui32_t item_count, item_size;
ui32_t const decoder_item_size = IndexEntryArray.ItemSize();
if ( TLVSet.ReadUi32BE(&item_count) )
{
if ( TLVSet.ReadUi32BE(&item_size) )
{
for ( ui32_t i = 0; i < item_count && rc; ++i )
{
IndexEntry tmp_item;
rc = tmp_item.Unarchive(&TLVSet);
if ( rc )
{
IndexEntryArray.push_back(tmp_item);
if ( decoder_item_size < item_size )
{
TLVSet.SkipOffset(item_size - decoder_item_size);
}
}
}
}
}
}
result = rc ? RESULT_OK : RESULT_FALSE;
}
return result;
}
ASDCP::Result_t
ASDCP::MXF::IndexTableSegment::WriteToTLVSet(TLVWriter& TLVSet)
{
Result_t result = InterchangeObject::WriteToTLVSet(TLVSet);
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexEditRate));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexStartPosition));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi64(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexDuration));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, EditUnitByteCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(IndexTableSegmentBase, IndexSID));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi32(OBJ_WRITE_ARGS(EssenceContainerData, BodySID));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, SliceCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteUi8(OBJ_WRITE_ARGS(IndexTableSegmentBase, PosTableCount));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, DeltaEntryArray));
if ( ASDCP_SUCCESS(result) ) result = TLVSet.WriteObject(OBJ_WRITE_ARGS(IndexTableSegment, IndexEntryArray));
return result;
}
ASDCP::Result_t
ASDCP::PCM::MXFWriter::h__Writer::WriteFrame(const FrameBuffer& FrameBuf, AESEncContext* Ctx,
HMACContext* HMAC)
{
Result_t result = RESULT_OK;
if ( m_State.Test_READY() )
result = m_State.Goto_RUNNING(); // first time through
if ( ASDCP_SUCCESS(result) )
result = WriteEKLVPacket(FrameBuf, m_EssenceUL, Ctx, HMAC);
if ( ASDCP_SUCCESS(result) )
m_FramesWritten++;
return result;
}
ASDCP::Result_t
ASDCP::EssenceType(const char* filename, EssenceType_t& type)
{
const Dictionary* m_Dict = &DefaultCompositeDict();
assert(m_Dict);
ASDCP_TEST_NULL_STR(filename);
Kumu::FileReader Reader;
OPAtomHeader TestHeader(m_Dict);
Result_t result = Reader.OpenRead(filename);
if ( ASDCP_SUCCESS(result) )
result = TestHeader.InitFromFile(Reader); // test UL and OP
if ( ASDCP_SUCCESS(result) )
{
type = ESS_UNKNOWN;
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(RGBAEssenceDescriptor))) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(StereoscopicPictureSubDescriptor))) )
type = ESS_JPEG_2000_S;
else
type = ESS_JPEG_2000;
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(WaveAudioDescriptor))) )
type = ESS_PCM_24b_48k;
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(MPEG2VideoDescriptor))) )
type = ESS_MPEG2_VES;
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(TimedTextDescriptor))) )
type = ESS_TIMED_TEXT;
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(DCDataDescriptor))) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(DolbyAtmosSubDescriptor))) )
type = ESS_DCDATA_DOLBY_ATMOS;
else
type = ESS_DCDATA_UNKNOWN;
}
}
return result;
}
ASDCP::Result_t
ASDCP::ATMOS::MXFReader::h__Reader::MD_to_Atmos_ADesc(ATMOS::AtmosDescriptor& ADesc)
{
ASDCP_TEST_NULL(m_EssenceSubDescriptor);
Result_t result = MD_to_DCData_DDesc(ADesc);
if( ASDCP_SUCCESS(result) )
{
MXF::DolbyAtmosSubDescriptor* ADescObj = m_EssenceSubDescriptor;
ADesc.MaxChannelCount = ADescObj->MaxChannelCount;
ADesc.MaxObjectCount = ADescObj->MaxObjectCount;
::memcpy(ADesc.AtmosID, ADescObj->AtmosID.Value(), UUIDlen);
ADesc.AtmosVersion = ADescObj->AtmosVersion;
ADesc.FirstFrame = ADescObj->FirstFrame;
}
return result;
}
// Open the file for writing. The file must not exist. Returns error if
// the operation cannot be completed.
ASDCP::Result_t
ASDCP::PCM::MXFWriter::h__Writer::OpenWrite(const std::string& filename, ui32_t HeaderSize)
{
if ( ! m_State.Test_BEGIN() )
return RESULT_STATE;
Result_t result = m_File.OpenWrite(filename);
if ( ASDCP_SUCCESS(result) )
{
m_HeaderSize = HeaderSize;
m_EssenceDescriptor = new WaveAudioDescriptor(m_Dict);
result = m_State.Goto_INIT();
}
return result;
}
ASDCP::Result_t
ASDCP::ATMOS::MXFWriter::h__Writer::OpenWrite(const std::string& filename, ui32_t HeaderSize, const AtmosDescriptor& ADesc)
{
m_EssenceSubDescriptor = new DolbyAtmosSubDescriptor(m_Dict);
DCData::SubDescriptorList_t subDescriptors;
subDescriptors.push_back(m_EssenceSubDescriptor);
Result_t result = DCData::h__Writer::OpenWrite(filename, HeaderSize, subDescriptors);
if ( ASDCP_FAILURE(result) )
delete m_EssenceSubDescriptor;
if ( ASDCP_SUCCESS(result) )
{
m_ADesc = ADesc;
memcpy(m_ADesc.DataEssenceCoding, ATMOS_ESSENCE_CODING, SMPTE_UL_LENGTH);
result = Atmos_ADesc_to_MD(m_ADesc);
}
return result;
}
// Open the file for writing. The file must not exist. Returns error if
// the operation cannot be completed.
ASDCP::Result_t
ASDCP::PCM::MXFWriter::OpenWrite(const std::string& filename, const WriterInfo& Info,
const AudioDescriptor& ADesc, ui32_t HeaderSize)
{
if ( Info.LabelSetType == LS_MXF_SMPTE )
m_Writer = new h__Writer(DefaultSMPTEDict());
else
m_Writer = new h__Writer(DefaultInteropDict());
m_Writer->m_Info = Info;
Result_t result = m_Writer->OpenWrite(filename, HeaderSize);
if ( ASDCP_SUCCESS(result) )
result = m_Writer->SetSourceStream(ADesc);
if ( ASDCP_FAILURE(result) )
m_Writer.release();
return result;
}
// Open the file for writing. The file must not exist. Returns error if
// the operation cannot be completed.
ASDCP::Result_t
ASDCP::ATMOS::MXFWriter::OpenWrite(const std::string& filename, const WriterInfo& Info,
const AtmosDescriptor& ADesc, ui32_t HeaderSize)
{
if ( Info.LabelSetType != LS_MXF_SMPTE )
{
DefaultLogSink().Error("Atmos support requires LS_MXF_SMPTE\n");
return RESULT_FORMAT;
}
m_Writer = new h__Writer(DefaultSMPTEDict());
m_Writer->m_Info = Info;
Result_t result = m_Writer->OpenWrite(filename, HeaderSize, ADesc);
if ( ASDCP_SUCCESS(result) )
result = m_Writer->SetSourceStream(ADesc, ATMOS_ESSENCE_CODING, ATMOS_PACKAGE_LABEL,
ATMOS_DEF_LABEL);
if ( ASDCP_FAILURE(result) )
m_Writer.release();
return result;
}
Result_t
ASDCP::DecryptFrameBuffer(const ASDCP::FrameBuffer& FBin, ASDCP::FrameBuffer& FBout, AESDecContext* Ctx)
{
ASDCP_TEST_NULL(Ctx);
assert(FBout.Capacity() >= FBin.SourceLength());
ui32_t ct_size = FBin.SourceLength() - FBin.PlaintextOffset();
ui32_t diff = ct_size % CBC_BLOCK_SIZE;
ui32_t block_size = ct_size - diff;
assert(block_size);
assert((block_size % CBC_BLOCK_SIZE) == 0);
const byte_t* buf = FBin.RoData();
// get ivec
Ctx->SetIVec(buf);
buf += CBC_BLOCK_SIZE;
// decrypt and test check value
byte_t CheckValue[CBC_BLOCK_SIZE];
Result_t result = Ctx->DecryptBlock(buf, CheckValue, CBC_BLOCK_SIZE);
buf += CBC_BLOCK_SIZE;
if ( memcmp(CheckValue, ESV_CheckValue, CBC_BLOCK_SIZE) != 0 )
return RESULT_CHECKFAIL;
// copy plaintext region
if ( FBin.PlaintextOffset() > 0 )
{
memcpy(FBout.Data(), buf, FBin.PlaintextOffset());
buf += FBin.PlaintextOffset();
}
// decrypt all but last block
if ( ASDCP_SUCCESS(result) )
{
result = Ctx->DecryptBlock(buf, FBout.Data() + FBin.PlaintextOffset(), block_size);
buf += block_size;
}
// decrypt last block
if ( ASDCP_SUCCESS(result) )
{
byte_t the_last_block[CBC_BLOCK_SIZE];
result = Ctx->DecryptBlock(buf, the_last_block, CBC_BLOCK_SIZE);
if ( the_last_block[diff] != 0 )
{
DefaultLogSink().Error("Unexpected non-zero padding value.\n");
return RESULT_FORMAT;
}
if ( diff > 0 )
memcpy(FBout.Data() + FBin.PlaintextOffset() + block_size, the_last_block, diff);
}
if ( ASDCP_SUCCESS(result) )
FBout.Size(FBin.SourceLength());
return result;
}
Result_t
ASDCP::EncryptFrameBuffer(const ASDCP::FrameBuffer& FBin, ASDCP::FrameBuffer& FBout, AESEncContext* Ctx)
{
ASDCP_TEST_NULL(Ctx);
FBout.Size(0);
// size the buffer
Result_t result = FBout.Capacity(calc_esv_length(FBin.Size(), FBin.PlaintextOffset()));
// write the IV
byte_t* p = FBout.Data();
// write the IV to the frame buffer
Ctx->GetIVec(p);
p += CBC_BLOCK_SIZE;
// encrypt the check value to the frame buffer
if ( ASDCP_SUCCESS(result) )
{
result = Ctx->EncryptBlock(ESV_CheckValue, p, CBC_BLOCK_SIZE);
p += CBC_BLOCK_SIZE;
}
// write optional plaintext region
if ( FBin.PlaintextOffset() > 0 )
{
assert(FBin.PlaintextOffset() <= FBin.Size());
memcpy(p, FBin.RoData(), FBin.PlaintextOffset());
p += FBin.PlaintextOffset();
}
ui32_t ct_size = FBin.Size() - FBin.PlaintextOffset();
ui32_t diff = ct_size % CBC_BLOCK_SIZE;
ui32_t block_size = ct_size - diff;
assert((block_size % CBC_BLOCK_SIZE) == 0);
// encrypt the ciphertext region essence data
if ( ASDCP_SUCCESS(result) )
{
result = Ctx->EncryptBlock(FBin.RoData() + FBin.PlaintextOffset(), p, block_size);
p += block_size;
}
// construct and encrypt the padding
if ( ASDCP_SUCCESS(result) )
{
byte_t the_last_block[CBC_BLOCK_SIZE];
if ( diff > 0 )
memcpy(the_last_block, FBin.RoData() + FBin.PlaintextOffset() + block_size, diff);
for (ui32_t i = 0; diff < CBC_BLOCK_SIZE; diff++, i++ )
the_last_block[diff] = i;
result = Ctx->EncryptBlock(the_last_block, p, CBC_BLOCK_SIZE);
}
if ( ASDCP_SUCCESS(result) )
FBout.Size(calc_esv_length(FBin.Size(), FBin.PlaintextOffset()));
return result;
}
ASDCP::Result_t
ASDCP::RawEssenceType(const std::string& filename, EssenceType_t& type)
{
type = ESS_UNKNOWN;
ASDCP::FrameBuffer FB;
Kumu::FileReader Reader;
ASDCP::Wav::SimpleWaveHeader WavHeader;
ASDCP::RF64::SimpleRF64Header RF64Header;
ASDCP::AIFF::SimpleAIFFHeader AIFFHeader;
Kumu::XMLElement TmpElement("Tmp");
ui32_t data_offset;
ui32_t read_count;
Result_t result = FB.Capacity(Wav::MaxWavHeader); // using Wav max because everything else is much smaller
if ( Kumu::PathIsFile(filename) )
{
result = Reader.OpenRead(filename);
if ( ASDCP_SUCCESS(result) )
{
result = Reader.Read(FB.Data(), FB.Capacity(), &read_count);
Reader.Close();
}
if ( ASDCP_SUCCESS(result) )
{
const byte_t* p = FB.RoData();
FB.Size(read_count);
ui32_t i = 0;
while ( p[i] == 0 ) i++;
if ( i > 1 && p[i] == 1 && (p[i+1] == ASDCP::MPEG2::SEQ_START || p[i+1] == ASDCP::MPEG2::PIC_START) )
{
type = ESS_MPEG2_VES;
}
else if ( memcmp(FB.RoData(), ASDCP::JP2K::Magic, sizeof(ASDCP::JP2K::Magic)) == 0 )
{
type = ESS_JPEG_2000;
}
else if ( ASDCP_SUCCESS(WavHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) )
{
switch ( WavHeader.samplespersec )
{
case 48000: type = ESS_PCM_24b_48k; break;
case 96000: type = ESS_PCM_24b_96k; break;
default:
return RESULT_FORMAT;
}
}
else if ( ASDCP_SUCCESS(RF64Header.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) )
{
switch ( RF64Header.samplespersec )
{
case 48000: type = ESS_PCM_24b_48k; break;
case 96000: type = ESS_PCM_24b_96k; break;
default:
return RESULT_FORMAT;
}
}
else if ( ASDCP_SUCCESS(AIFFHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) )
{
type = ESS_PCM_24b_48k;
}
else if ( string_is_xml(FB) )
{
type = ESS_TIMED_TEXT;
}
else if ( ASDCP::ATMOS::IsDolbyAtmos(filename) )
{
type = ESS_DCDATA_DOLBY_ATMOS;
}
}
}
else if ( Kumu::PathIsDirectory(filename) )
{
char next_file[Kumu::MaxFilePath];
Kumu::DirScanner Scanner;
Result_t result = Scanner.Open(filename);
if ( ASDCP_SUCCESS(result) )
{
while ( ASDCP_SUCCESS(Scanner.GetNext(next_file)) )
{
if ( next_file[0] == '.' ) // no hidden files or internal links
continue;
result = Reader.OpenRead(Kumu::PathJoin(filename, next_file));
if ( ASDCP_SUCCESS(result) )
{
result = Reader.Read(FB.Data(), FB.Capacity(), &read_count);
Reader.Close();
}
if ( ASDCP_SUCCESS(result) )
{
if ( memcmp(FB.RoData(), ASDCP::JP2K::Magic, sizeof(ASDCP::JP2K::Magic)) == 0 )
{
type = ESS_JPEG_2000;
}
else if ( ASDCP_SUCCESS(WavHeader.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) )
{
switch ( WavHeader.samplespersec )
{
case 48000: type = ESS_PCM_24b_48k; break;
case 96000: type = ESS_PCM_24b_96k; break;
default:
return RESULT_FORMAT;
}
}
else if ( ASDCP_SUCCESS(RF64Header.ReadFromBuffer(FB.RoData(), read_count, &data_offset)) )
{
switch ( RF64Header.samplespersec )
{
case 48000: type = ESS_PCM_24b_48k; break;
case 96000: type = ESS_PCM_24b_96k; break;
default:
return RESULT_FORMAT;
}
}
else if ( ASDCP::ATMOS::IsDolbyAtmos(Kumu::PathJoin(filename, next_file)) )
{
type = ESS_DCDATA_DOLBY_ATMOS;
}
else
{
type = ESS_DCDATA_UNKNOWN;
}
}
break;
}
}
}
return result;
}
ASDCP::Result_t
ASDCP::EssenceType(const std::string& filename, EssenceType_t& type)
{
const Dictionary* m_Dict = &DefaultCompositeDict();
InterchangeObject* md_object = 0;
assert(m_Dict);
Kumu::FileReader Reader;
OP1aHeader TestHeader(m_Dict);
Result_t result = Reader.OpenRead(filename);
if ( ASDCP_SUCCESS(result) )
result = TestHeader.InitFromFile(Reader); // test UL and OP
if ( ASDCP_SUCCESS(result) )
{
type = ESS_UNKNOWN;
if ( TestHeader.OperationalPattern == UL(m_Dict->ul(MDD_OPAtom))
|| TestHeader.OperationalPattern == UL(m_Dict->ul(MDD_MXFInterop_OPAtom)) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(JPEG2000PictureSubDescriptor))) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(StereoscopicPictureSubDescriptor))) )
{
type = ESS_JPEG_2000_S;
}
else
{
type = ESS_JPEG_2000;
}
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(WaveAudioDescriptor), &md_object)) )
{
assert(md_object);
if ( static_cast<ASDCP::MXF::WaveAudioDescriptor*>(md_object)->AudioSamplingRate == SampleRate_96k )
{
type = ESS_PCM_24b_96k;
}
else
{
type = ESS_PCM_24b_48k;
}
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(MPEG2VideoDescriptor))) )
{
type = ESS_MPEG2_VES;
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(TimedTextDescriptor))) )
{
type = ESS_TIMED_TEXT;
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(DCDataDescriptor))) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(DolbyAtmosSubDescriptor))) )
{
type = ESS_DCDATA_DOLBY_ATMOS;
}
else
{
type = ESS_DCDATA_UNKNOWN;
}
}
}
else if ( TestHeader.OperationalPattern == UL(m_Dict->ul(MDD_OP1a)) )
{
if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(JPEG2000PictureSubDescriptor))) )
{
type = ESS_AS02_JPEG_2000;
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(WaveAudioDescriptor), &md_object)) )
{
assert(md_object);
if ( static_cast<ASDCP::MXF::WaveAudioDescriptor*>(md_object)->AudioSamplingRate == SampleRate_96k )
{
type = ESS_AS02_PCM_24b_96k;
}
else
{
type = ESS_AS02_PCM_24b_48k;
}
}
else if ( ASDCP_SUCCESS(TestHeader.GetMDObjectByType(OBJ_TYPE_ARGS(TimedTextDescriptor))) )
{
type = ESS_AS02_TIMED_TEXT;
}
}
else
{
DefaultLogSink().Error("Unsupported MXF Operational Pattern.\n");
return RESULT_FORMAT;
}
}
return result;
}
ASDCP::Result_t
ASDCP::PCM::MXFReader::h__Reader::OpenRead(const std::string& filename)
{
Result_t result = OpenMXFRead(filename);
if( ASDCP_SUCCESS(result) )
{
InterchangeObject* Object = 0
;
if ( ASDCP_SUCCESS(m_HeaderPart.GetMDObjectByType(OBJ_TYPE_ARGS(WaveAudioDescriptor), &Object)) )
{
if ( Object == 0 )
{
DefaultLogSink().Error("WaveAudioDescriptor object not found.\n");
return RESULT_FORMAT;
}
result = MD_to_PCM_ADesc((MXF::WaveAudioDescriptor*)Object, m_ADesc);
}
}
if ( m_ADesc.ContainerDuration == 0 )
{
DefaultLogSink().Error("ContainerDuration unset.\n");
return RESULT_FORMAT;
}
// check for sample/frame rate sanity
if ( ASDCP_SUCCESS(result)
&& m_ADesc.EditRate != EditRate_24
&& m_ADesc.EditRate != EditRate_25
&& m_ADesc.EditRate != EditRate_30
&& m_ADesc.EditRate != EditRate_48
&& m_ADesc.EditRate != EditRate_50
&& m_ADesc.EditRate != EditRate_60
&& m_ADesc.EditRate != EditRate_96
&& m_ADesc.EditRate != EditRate_100
&& m_ADesc.EditRate != EditRate_120
&& m_ADesc.EditRate != EditRate_16
&& m_ADesc.EditRate != EditRate_18
&& m_ADesc.EditRate != EditRate_20
&& m_ADesc.EditRate != EditRate_22
&& m_ADesc.EditRate != EditRate_23_98 )
{
DefaultLogSink().Error("PCM file EditRate is not a supported value: %d/%d\n", // lu
m_ADesc.EditRate.Numerator, m_ADesc.EditRate.Denominator);
// oh, they gave us the audio sampling rate instead, assume 24/1
if ( m_ADesc.EditRate == SampleRate_48k || m_ADesc.EditRate == SampleRate_96k )
{
DefaultLogSink().Warn("adjusting EditRate to 24/1\n");
m_ADesc.EditRate = EditRate_24;
}
else
{
DefaultLogSink().Error("PCM EditRate not in expected value range.\n");
// or we just drop the hammer
return RESULT_FORMAT;
}
}
// TODO: test file for sane CBR index BytesPerEditUnit
return result;
}