mxf.c File Reference

Go to the source code of this file.

Classes

struct  MXFCryptoContext
struct  MXFStructuralComponent
struct  MXFSequence
struct  MXFTrack
struct  MXFDescriptor
struct  MXFPackage
struct  MXFMetadataSet
struct  MXFContext
struct  KLVPacket
struct  MXFCodecUL
struct  MXFDataDefinitionUL
struct  MXFMetadataReadTableEntry

Typedefs

typedef uint8_t UID [16]

Enumerations

enum  MXFMetadataSetType {
  AnyType, MaterialPackage, SourcePackage, SourceClip,
  TimecodeComponent, Sequence, MultipleDescriptor, Descriptor,
  Track, CryptoContext
}
enum  MXFWrappingScheme { Frame, Clip }

Functions

static int64_t klv_decode_ber_length (ByteIOContext *pb)
static int mxf_read_sync (ByteIOContext *pb, const uint8_t *key, unsigned size)
static int klv_read_packet (KLVPacket *klv, ByteIOContext *pb)
static int mxf_get_stream_index (AVFormatContext *s, KLVPacket *klv)
static int mxf_get_d10_aes3_packet (ByteIOContext *pb, AVStream *st, AVPacket *pkt, int64_t length)
static int mxf_decrypt_triplet (AVFormatContext *s, AVPacket *pkt, KLVPacket *klv)
static int mxf_read_packet (AVFormatContext *s, AVPacket *pkt)
static int mxf_add_metadata_set (MXFContext *mxf, void *metadata_set)
static int mxf_read_metadata_cryptographic_context (MXFCryptoContext *cryptocontext, ByteIOContext *pb, int tag)
static int mxf_read_metadata_content_storage (MXFContext *mxf, ByteIOContext *pb, int tag)
static int mxf_read_metadata_source_clip (MXFStructuralComponent *source_clip, ByteIOContext *pb, int tag)
static int mxf_read_metadata_material_package (MXFPackage *package, ByteIOContext *pb, int tag)
static int mxf_read_metadata_track (MXFTrack *track, ByteIOContext *pb, int tag)
static int mxf_read_metadata_sequence (MXFSequence *sequence, ByteIOContext *pb, int tag)
static int mxf_read_metadata_source_package (MXFPackage *package, ByteIOContext *pb, int tag)
static void mxf_read_metadata_pixel_layout (ByteIOContext *pb, MXFDescriptor *descriptor)
static int mxf_read_metadata_generic_descriptor (MXFDescriptor *descriptor, ByteIOContext *pb, int tag, int size)
static int mxf_match_uid (const UID key, const UID uid, int len)
static const MXFCodecUL * mxf_get_codec_ul (const MXFCodecUL *uls, UID *uid)
static enum CodecType mxf_get_codec_type (const MXFDataDefinitionUL *uls, UID *uid)
static void * mxf_resolve_strong_ref (MXFContext *mxf, UID *strong_ref, enum MXFMetadataSetType type)
static int mxf_parse_structural_metadata (MXFContext *mxf)
static int mxf_read_local_tags (MXFContext *mxf, KLVPacket *klv, int(*read_child)(), int ctx_size, enum MXFMetadataSetType type)
static int mxf_read_header (AVFormatContext *s, AVFormatParameters *ap)
static int mxf_read_close (AVFormatContext *s)
static int mxf_probe (AVProbeData *p)
static int mxf_read_seek (AVFormatContext *s, int stream_index, int64_t sample_time, int flags)

Variables

static const uint8_t mxf_header_partition_pack_key [] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 }
static const uint8_t mxf_essence_element_key [] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 }
static const uint8_t mxf_klv_key [] = { 0x06,0x0e,0x2b,0x34 }
static const uint8_t mxf_encrypted_triplet_key [] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 }
static const uint8_t mxf_encrypted_essence_container [] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 }
static const MXFDataDefinitionUL mxf_data_definition_uls []
static const MXFCodecUL mxf_codec_uls []
static const MXFCodecUL mxf_picture_essence_container_uls []
static const MXFCodecUL mxf_sound_essence_container_uls []
static const
MXFMetadataReadTableEntry 		mxf_metadata_read_table []
AVInputFormat mxf_demuxer

Typedef Documentation

typedef uint8_t UID[16]

Definition at line 52 of file mxf.c.

Enumeration Type Documentation

enum MXFMetadataSetType

Enumerator:
AnyType 
MaterialPackage 
SourcePackage 
SourceClip 
TimecodeComponent 
Sequence 
MultipleDescriptor 
Descriptor 
Track 
CryptoContext 

Definition at line 54 of file mxf.c.

enum MXFWrappingScheme

Enumerator:
Frame 
Clip 

Definition at line 151 of file mxf.c.

Function Documentation

static int64_t klv_decode_ber_length ( ByteIOContext *  pb  )  [static]

Definition at line 187 of file mxf.c.

Referenced by klv_read_packet(), and mxf_decrypt_triplet().

static int mxf_read_sync ( ByteIOContext *  pb,
const uint8_t *  key,
unsigned  size 
) [static]

Definition at line 202 of file mxf.c.

Referenced by klv_read_packet(), and mxf_read_header().

static int klv_read_packet ( KLVPacket *  klv,
ByteIOContext *  pb 
) [static]

Definition at line 215 of file mxf.c.

Referenced by mxf_read_header(), and mxf_read_packet().

static int mxf_get_stream_index ( AVFormatContext *  s,
KLVPacket *  klv 
) [static]

Definition at line 226 of file mxf.c.

Referenced by mxf_decrypt_triplet(), and mxf_read_packet().

static int mxf_get_d10_aes3_packet ( ByteIOContext *  pb,
AVStream *  st,
AVPacket *  pkt,
int64_t  length 
) [static]

Definition at line 241 of file mxf.c.

Referenced by mxf_read_packet().

static int mxf_decrypt_triplet ( AVFormatContext *  s,
AVPacket *  pkt,
KLVPacket *  klv 
) [static]

Definition at line 268 of file mxf.c.

Referenced by mxf_read_packet().

static int mxf_read_packet ( AVFormatContext *  s,
AVPacket *  pkt 
) [static]

Definition at line 325 of file mxf.c.

static int mxf_add_metadata_set ( MXFContext *  mxf,
void *  metadata_set 
) [static]

Definition at line 367 of file mxf.c.

Referenced by mxf_read_local_tags().

static int mxf_read_metadata_cryptographic_context ( MXFCryptoContext *  cryptocontext,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 375 of file mxf.c.

static int mxf_read_metadata_content_storage ( MXFContext *  mxf,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 388 of file mxf.c.

static int mxf_read_metadata_source_clip ( MXFStructuralComponent *  source_clip,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 403 of file mxf.c.

static int mxf_read_metadata_material_package ( MXFPackage *  package,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 424 of file mxf.c.

static int mxf_read_metadata_track ( MXFTrack *  track,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 439 of file mxf.c.

static int mxf_read_metadata_sequence ( MXFSequence *  sequence,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 459 of file mxf.c.

static int mxf_read_metadata_source_package ( MXFPackage *  package,
ByteIOContext *  pb,
int  tag 
) [static]

Definition at line 480 of file mxf.c.

static void mxf_read_metadata_pixel_layout ( ByteIOContext *  pb,
MXFDescriptor *  descriptor 
) [static]

Definition at line 503 of file mxf.c.

Referenced by mxf_read_metadata_generic_descriptor().

static int mxf_read_metadata_generic_descriptor ( MXFDescriptor *  descriptor,
ByteIOContext *  pb,
int  tag,
int  size 
) [static]

Definition at line 526 of file mxf.c.

static int mxf_match_uid ( const UID  key,
const UID  uid,
int  len 
) [static]

Definition at line 655 of file mxf.c.

Referenced by mxf_get_codec_type(), and mxf_get_codec_ul().

static const MXFCodecUL* mxf_get_codec_ul ( const MXFCodecUL *  uls,
UID *  uid 
) [static]

Definition at line 665 of file mxf.c.

Referenced by mxf_parse_structural_metadata().

static enum CodecType mxf_get_codec_type ( const MXFDataDefinitionUL *  uls,
UID *  uid 
) [static]

Definition at line 675 of file mxf.c.

Referenced by mxf_parse_structural_metadata().

static void* mxf_resolve_strong_ref ( MXFContext *  mxf,
UID *  strong_ref,
enum MXFMetadataSetType  type 
) [static]

Definition at line 685 of file mxf.c.

Referenced by mxf_parse_structural_metadata().

static int mxf_parse_structural_metadata ( MXFContext *  mxf  )  [static]

Definition at line 700 of file mxf.c.

Referenced by mxf_read_header().

static int mxf_read_local_tags ( MXFContext *  mxf,
KLVPacket *  klv,
int(*)()  read_child,
int  ctx_size,
enum MXFMetadataSetType  type 
) [static]

Definition at line 898 of file mxf.c.

Referenced by mxf_read_header().

static int mxf_read_header ( AVFormatContext *  s,
AVFormatParameters *  ap 
) [static]

Definition at line 924 of file mxf.c.

static int mxf_read_close ( AVFormatContext *  s  )  [static]

Definition at line 965 of file mxf.c.

static int mxf_probe ( AVProbeData *  p  )  [static]

Definition at line 993 of file mxf.c.

static int mxf_read_seek ( AVFormatContext *  s,
int  stream_index,
int64_t  sample_time,
int  flags 
) [static]

Definition at line 1011 of file mxf.c.

Variable Documentation

const uint8_t mxf_header_partition_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02 } [static]

Definition at line 175 of file mxf.c.

Referenced by mxf_probe(), and mxf_read_header().

const uint8_t mxf_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0d,0x01,0x03,0x01 } [static]

Definition at line 176 of file mxf.c.

Referenced by mxf_decrypt_triplet(), mxf_get_stream_index(), mxf_read_header(), and mxf_read_packet().

const uint8_t mxf_klv_key[] = { 0x06,0x0e,0x2b,0x34 } [static]

Definition at line 177 of file mxf.c.

Referenced by klv_read_packet().

const uint8_t mxf_encrypted_triplet_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x04,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x7e,0x01,0x00 } [static]

Definition at line 179 of file mxf.c.

Referenced by mxf_read_header(), and mxf_read_packet().

const uint8_t mxf_encrypted_essence_container[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0b,0x01,0x00 } [static]

Definition at line 180 of file mxf.c.

Referenced by mxf_parse_structural_metadata().

const MXFDataDefinitionUL mxf_data_definition_uls[] [static]

Initial value:

 {
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x01,0x00,0x00,0x00 }, CODEC_TYPE_VIDEO },
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x01,0x03,0x02,0x02,0x02,0x00,0x00,0x00 }, CODEC_TYPE_AUDIO },
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x05,0x01,0x03,0x02,0x02,0x02,0x02,0x00,0x00 }, CODEC_TYPE_AUDIO },
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  CODEC_TYPE_DATA },
}

Definition at line 582 of file mxf.c.

const MXFCodecUL mxf_codec_uls[] [static]

Definition at line 589 of file mxf.c.

const MXFCodecUL mxf_picture_essence_container_uls[] [static]

Initial value:

 {
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, CODEC_ID_MPEG2VIDEO, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xe0,0x02 }, CODEC_ID_MPEG2VIDEO,  Clip }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x04,0x61,0x07 }, CODEC_ID_MPEG2VIDEO,  Clip }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },       CODEC_ID_NONE, Frame },
}

Definition at line 629 of file mxf.c.

const MXFCodecUL mxf_sound_essence_container_uls[] [static]

Initial value:

 {
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x01,0x00 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x06,0x03,0x00 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0x40,0x01 },        CODEC_ID_MP2, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xc0,0x01 },        CODEC_ID_MP2, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x02,0x0D,0x01,0x03,0x01,0x02,0x04,0xc0,0x02 },        CODEC_ID_MP2,  Clip }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x05,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x03,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x01,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x06,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x04,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x06,0x0E,0x2B,0x34,0x04,0x01,0x01,0x01,0x0D,0x01,0x03,0x01,0x02,0x01,0x02,0x01 },  CODEC_ID_PCM_S16LE, Frame }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },       CODEC_ID_NONE, Frame },
}

Definition at line 636 of file mxf.c.

const MXFMetadataReadTableEntry mxf_metadata_read_table[] [static]

Initial value:

 {
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x18,0x00 }, mxf_read_metadata_content_storage, 0, AnyType },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x37,0x00 }, mxf_read_metadata_source_package, sizeof(MXFPackage), SourcePackage },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x36,0x00 }, mxf_read_metadata_material_package, sizeof(MXFPackage), MaterialPackage },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x0F,0x00 }, mxf_read_metadata_sequence, sizeof(MXFSequence), Sequence },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x11,0x00 }, mxf_read_metadata_source_clip, sizeof(MXFStructuralComponent), SourceClip },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x44,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), MultipleDescriptor },
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x42,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x28,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x29,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x51,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x48,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x47,0x00 }, mxf_read_metadata_generic_descriptor, sizeof(MXFDescriptor), Descriptor }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3A,0x00 }, mxf_read_metadata_track, sizeof(MXFTrack), Track }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x01,0x01,0x01,0x01,0x3B,0x00 }, mxf_read_metadata_track, sizeof(MXFTrack), Track }, 
    { { 0x06,0x0E,0x2B,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x04,0x01,0x02,0x02,0x00,0x00 }, mxf_read_metadata_cryptographic_context, sizeof(MXFCryptoContext), CryptoContext },
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 }, NULL, 0, AnyType },
}

Definition at line 879 of file mxf.c.

AVInputFormat mxf_demuxer

Initial value:

 {
    "mxf",
    "MXF format",
    sizeof(MXFContext),
    mxf_probe,
    mxf_read_header,
    mxf_read_packet,
    mxf_read_close,
    mxf_read_seek,
}

Definition at line 1026 of file mxf.c.

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