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authorjhurst <jhurst@cinecert.com>2006-03-14 00:29:50 +0000
committerjhurst <>2006-03-14 00:29:50 +0000
commit30d642bd3b8474744dfbdcc2bdc46cdf827102c4 (patch)
treee31c3e1456494dec612f705e957ea8f9ba7979fc /src/AS_DCP_internal.h
parent9bfe9676115531eb76649e1ebd5e14b904b53ae2 (diff)
added aiff reader
Diffstat (limited to 'src/AS_DCP_internal.h')
-rwxr-xr-xsrc/AS_DCP_internal.h139
1 files changed, 30 insertions, 109 deletions
diff --git a/src/AS_DCP_internal.h b/src/AS_DCP_internal.h
index ca3d9bb..15890a7 100755
--- a/src/AS_DCP_internal.h
+++ b/src/AS_DCP_internal.h
@@ -45,106 +45,46 @@ using namespace ASDCP::MXF;
namespace ASDCP
{
// constant values used to calculate KLV and EKLV packet sizes
- static const ui32_t klv_key_size = 16;
- static const ui32_t klv_length_size = 4;
static const ui32_t klv_cryptinfo_size =
- klv_length_size
+ MXF_BER_LENGTH
+ UUIDlen /* ContextID */
- + klv_length_size
+ + MXF_BER_LENGTH
+ sizeof(ui64_t) /* PlaintextOffset */
- + klv_length_size
- + klv_key_size /* SourceKey */
- + klv_length_size
+ + MXF_BER_LENGTH
+ + SMPTE_UL_LENGTH /* SourceKey */
+ + MXF_BER_LENGTH
+ sizeof(ui64_t) /* SourceLength */
- + klv_length_size /* ESV length */ ;
+ + MXF_BER_LENGTH /* ESV length */ ;
static const ui32_t klv_intpack_size =
- klv_length_size
+ MXF_BER_LENGTH
+ UUIDlen /* TrackFileID */
- + klv_length_size
+ + MXF_BER_LENGTH
+ sizeof(ui64_t) /* SequenceNumber */
- + klv_length_size
+ + MXF_BER_LENGTH
+ 20; /* HMAC length*/
- // why this value? i dunno. it was peeled from mxflib.
- static const ui32_t HeaderPadding = 16384;
-
- const byte_t GCMulti_Data[16] =
- { 0x06, 0x0E, 0x2B, 0x34, 0x04, 0x01, 0x01, 0x03,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x7F, 0x01, 0x00 };
-
- static const byte_t CipherAlgorithm_AES[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x07,
- 0x02, 0x09, 0x02, 0x01, 0x01, 0x00, 0x00, 0x00 };
-
- static const byte_t MICAlgorithm_NONE[klv_key_size] = {0};
- static const byte_t MICAlgorithm_HMAC_SHA1[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x07,
- 0x02, 0x09, 0x02, 0x02, 0x01, 0x00, 0x00, 0x00 };
-
-#ifdef SMPTE_LABELS
- static byte_t OPAtom_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x02,
- 0x0d, 0x01, 0x02, 0x01, 0x10, 0x00, 0x00, 0x00 };
- static UL OPAtomUL(OPAtom_Data);
-#else
- static byte_t OPAtom_Data[klv_key_size] =
+ // calculate size of encrypted essence with IV, CheckValue, and padding
+ inline ui32_t
+ calc_esv_length(ui32_t source_length, ui32_t plaintext_offset)
+ {
+ ui32_t ct_size = source_length - plaintext_offset;
+ ui32_t diff = ct_size % CBC_BLOCK_SIZE;
+ ui32_t block_size = ct_size - diff;
+ return plaintext_offset + block_size + (CBC_BLOCK_SIZE * 3);
+ }
+
+ // Interop labels
+
+ static byte_t OPAtom_Data[SMPTE_UL_LENGTH] =
{ 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01,
0x0d, 0x01, 0x02, 0x01, 0x10, 0x00, 0x00, 0x00 };
static UL OPAtomUL(OPAtom_Data);
-#endif
- static const byte_t OP1a_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01,
- 0x0d, 0x01, 0x02, 0x01, 0x01, 0x01, 0x01, 0x00 };
- static UL OP1aUL(OP1a_Data);
-
- // Essence element labels
- static const byte_t WAVEssenceUL_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x01, 0x02, 0x01, 0x01,
- 0x0d, 0x01, 0x03, 0x01, 0x16, 0x01, 0x01, 0x00 };
-
- static const byte_t MPEGEssenceUL_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x01, 0x02, 0x01, 0x01,
- 0x0d, 0x01, 0x03, 0x01, 0x15, 0x01, 0x05, 0x00 };
-
- static const byte_t JP2KEssenceUL_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x01, 0x02, 0x01, 0x01,
- 0x0d, 0x01, 0x03, 0x01, 0x15, 0x01, 0x08, 0x01 };
-
-#ifdef SMPTE_LABELS
- static const byte_t CryptEssenceUL_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x04, 0x01, 0x01,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x7e, 0x01, 0x00 };
-#else
- static const byte_t CryptEssenceUL_Data[klv_key_size] =
+ static const byte_t CryptEssenceUL_Data[SMPTE_UL_LENGTH] =
{ 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x04, 0x01, 0x07,
0x0d, 0x01, 0x03, 0x01, 0x02, 0x7e, 0x01, 0x00 };
-#endif
-
- // Essence Container Labels
- static const byte_t WrappingUL_Data_PCM_24b_48k[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x01,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x06, 0x01, 0x00 };
-
- static const byte_t WrappingUL_Data_MPEG2_VES[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x02,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x04, 0x60, 0x01 };
-
- static const byte_t WrappingUL_Data_JPEG_2000[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x07,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x0c, 0x01, 0x00 };
-
- static const byte_t WrappingUL_Data_Crypt[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x07,
- 0x0d, 0x01, 0x03, 0x01, 0x02, 0x0b, 0x01, 0x00 };
-
-
- // the label for the Cryptographic Framework DM scheme
- static const byte_t CryptoFrameworkUL_Data[klv_key_size] =
- { 0x06, 0x0e, 0x2b, 0x34, 0x04, 0x01, 0x01, 0x07,
- 0x0d, 0x01, 0x04, 0x01, 0x02, 0x01, 0x01, 0x00 };
// the check value for EKLV packets
// CHUKCHUKCHUKCHUK
@@ -152,39 +92,14 @@ namespace ASDCP
{ 0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b,
0x43, 0x48, 0x55, 0x4b, 0x43, 0x48, 0x55, 0x4b };
- // labels used for FilePackages
- static std::string MPEG_PACKAGE_LABEL = "File Package: SMPTE 381M frame wrapping of MPEG2 video elementary stream";
- static std::string JP2K_PACKAGE_LABEL = "File Package: SMPTE XXXM frame wrapping of JPEG 2000 codestreams";
- static std::string PCM_PACKAGE_LABEL = "File Package: SMPTE 382M frame wrapping of wave audio";
-
- // GetMDObjectByPath() allows searching for metadata object by pathname
- // This character separates the path elements.
- static const char OBJECT_PATH_SEPARATOR = '.';
-
//------------------------------------------------------------------------------------------
//
- Result_t MD_to_MPEG2_VDesc(MXF::MPEG2VideoDescriptor*, MPEG2::VideoDescriptor&);
- Result_t MD_to_JP2K_PDesc(MXF::RGBAEssenceDescriptor*, JP2K::PictureDescriptor&);
- Result_t MD_to_PCM_ADesc(MXF::WaveAudioDescriptor*, PCM::AudioDescriptor&);
Result_t MD_to_WriterInfo(MXF::Identification*, WriterInfo&);
Result_t MD_to_CryptoInfo(MXF::CryptographicContext*, WriterInfo&);
- Result_t MPEG2_VDesc_to_MD(MPEG2::VideoDescriptor&, MXF::MPEG2VideoDescriptor*);
- Result_t JP2K_PDesc_to_MD(JP2K::PictureDescriptor&, MXF::RGBAEssenceDescriptor*);
- Result_t PCM_ADesc_to_MD(PCM::AudioDescriptor&, MXF::WaveAudioDescriptor*);
Result_t EncryptFrameBuffer(const ASDCP::FrameBuffer&, ASDCP::FrameBuffer&, AESEncContext*);
Result_t DecryptFrameBuffer(const ASDCP::FrameBuffer&, ASDCP::FrameBuffer&, AESDecContext*);
- // calculate size of encrypted essence with IV, CheckValue, and padding
- inline ui32_t
- calc_esv_length(ui32_t source_length, ui32_t plaintext_offset)
- {
- ui32_t ct_size = source_length - plaintext_offset;
- ui32_t diff = ct_size % CBC_BLOCK_SIZE;
- ui32_t block_size = ct_size - diff;
- return plaintext_offset + block_size + (CBC_BLOCK_SIZE * 3);
- }
-
//
class h__Reader
{
@@ -254,17 +169,22 @@ namespace ASDCP
public:
FileWriter m_File;
+ ui32_t m_HeaderSize;
OPAtomHeader m_HeaderPart;
Partition m_BodyPart;
OPAtomIndexFooter m_FooterPart;
ui64_t m_EssenceStart;
MaterialPackage* m_MaterialPackage;
+ Sequence* m_MPTCSequence;
TimecodeComponent* m_MPTimecode;
+ Sequence* m_MPClSequence;
SourceClip* m_MPClip; //! Material Package SourceClip for each essence stream
SourcePackage* m_FilePackage;
+ Sequence* m_FPTCSequence;
TimecodeComponent* m_FPTimecode;
+ Sequence* m_FPClSequence;
SourceClip* m_FPClip; //! File Package SourceClip for each essence stream
FileDescriptor* m_EssenceDescriptor;
@@ -279,6 +199,7 @@ namespace ASDCP
virtual ~h__Writer();
Result_t WriteMXFHeader(const std::string& PackageLabel, const UL& WrappingUL,
+ const std::string& TrackName, const UL& DataDefinition,
const MXF::Rational& EditRate,
ui32_t TCFrameRate, ui32_t BytesPerEditUnit = 0);
@@ -323,7 +244,7 @@ namespace ASDCP
inline const byte_t* Key() { return m_Key; }
inline const ui64_t Length() { return m_Length; }
- inline const ui64_t KLLength() { return m_BERLength + klv_key_size; }
+ inline const ui64_t KLLength() { return m_BERLength + SMPTE_UL_LENGTH; }
Result_t ReadKLFromFile(ASDCP::FileReader& Reader);
};