mxfdec.c File Reference

#include <inttypes.h>
#include "libavutil/aes.h"
#include "libavutil/avassert.h"
#include "libavutil/mathematics.h"
#include "libavcodec/bytestream.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "libavutil/timecode.h"
#include "libavutil/opt.h"
#include "avformat.h"
#include "internal.h"
#include "mxf.h"

Go to the source code of this file.

Data Structures
struct	MXFPartition
struct	MXFCryptoContext
struct	MXFStructuralComponent
struct	MXFSequence
struct	MXFTimecodeComponent
struct	MXFPulldownComponent
struct	MXFEssenceGroup
struct	MXFTaggedValue
struct	MXFTrack
struct	MXFDescriptor
struct	MXFIndexTableSegment
struct	MXFPackage
struct	MXFEssenceContainerData
struct	MXFMetadataSet
struct	MXFIndexTable
struct	MXFContext
struct	MXFMetadataReadTableEntry

Macros
#define	MXF_MAX_CHUNK_SIZE   (32 << 20)
#define	MXF_FIELD_DOMINANCE_DEFAULT   0
#define	MXF_FIELD_DOMINANCE_FF   1 /* coded first, displayed first */
#define	MXF_FIELD_DOMINANCE_FL   2 /* coded first, displayed last */
#define	IS_KLV_KEY(x, y)   (!memcmp(x, y, sizeof(y)))
#define	READ_STR16(type, big_endian)
#define	SET_STR_METADATA(pb, name, str)
#define	SET_UID_METADATA(pb, name, var, str)
#define	SET_TS_METADATA(pb, name, var, str)

Typedefs
typedef int	MXFMetadataReadFunc(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)

Enumerations
enum	MXFPartitionType { Header, BodyPartition, Footer }
enum	MXFOP {   OP1a = 1, OP1b, OP1c, OP2a,   OP2b, OP2c, OP3a, OP3b,   OP3c, OPAtom, OPSONYOpt }
enum	MXFWrappingScheme { UnknownWrapped = 0, FrameWrapped, ClipWrapped }

Functions
static int	mxf_read_close (AVFormatContext *s)
static void	mxf_free_metadataset (MXFMetadataSet **ctx, int freectx)
static int64_t	klv_decode_ber_length (AVIOContext *pb)
static int	mxf_read_sync (AVIOContext *pb, const uint8_t *key, unsigned size)
static int	klv_read_packet (KLVPacket *klv, AVIOContext *pb)
static int	mxf_get_stream_index (AVFormatContext *s, KLVPacket *klv, int body_sid)
static int	find_body_sid_by_absolute_offset (MXFContext *mxf, int64_t offset)
static int	mxf_get_eia608_packet (AVFormatContext *s, AVStream *st, AVPacket *pkt, int64_t length)
static int	mxf_get_d10_aes3_packet (AVIOContext *pb, AVStream *st, AVPacket *pkt, int64_t length)
static int	mxf_decrypt_triplet (AVFormatContext *s, AVPacket *pkt, KLVPacket *klv)
static int	mxf_read_primer_pack (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_partition_pack (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_add_metadata_set (MXFContext *mxf, MXFMetadataSet **metadata_set)
static int	mxf_read_cryptographic_context (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_strong_ref_array (AVIOContext *pb, UID **refs, int *count)
static int	mxf_read_utf16_string (AVIOContext *pb, int size, char **str, int be)
static int	mxf_read_content_storage (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_source_clip (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_timecode_component (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_pulldown_component (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_track (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_sequence (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_essence_group (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_package (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_essence_container_data (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_index_entry_array (AVIOContext *pb, MXFIndexTableSegment *segment)
static int	mxf_read_index_table_segment (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static void	mxf_read_pixel_layout (AVIOContext *pb, MXFDescriptor *descriptor)
static int	mxf_read_generic_descriptor (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_read_indirect_value (void *arg, AVIOContext *pb, int size)
static int	mxf_read_tagged_value (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
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 void *	mxf_resolve_strong_ref (MXFContext *mxf, UID *strong_ref, enum MXFMetadataSetType type)
static MXFWrappingScheme	mxf_get_wrapping_kind (UID *essence_container_ul)
static int	mxf_get_sorted_table_segments (MXFContext *mxf, int *nb_sorted_segments, MXFIndexTableSegment ***sorted_segments)
static int	mxf_absolute_bodysid_offset (MXFContext *mxf, int body_sid, int64_t offset, int64_t *offset_out, MXFPartition **partition_out)
	Computes the absolute file offset of the given essence container offset. More...
static int64_t	mxf_essence_container_end (MXFContext *mxf, int body_sid)
	Returns the end position of the essence container with given BodySID, or zero if unknown. More...
static int	mxf_edit_unit_absolute_offset (MXFContext *mxf, MXFIndexTable *index_table, int64_t edit_unit, AVRational edit_rate, int64_t *edit_unit_out, int64_t *offset_out, MXFPartition **partition_out, int nag)
static int	mxf_compute_ptses_fake_index (MXFContext *mxf, MXFIndexTable *index_table)
static int	mxf_compute_index_tables (MXFContext *mxf)
	Sorts and collects index table segments into index tables. More...
static int	mxf_is_intra_only (MXFDescriptor *descriptor)
static int	mxf_uid_to_str (UID uid, char **str)
static int	mxf_umid_to_str (UID ul, UID uid, char **str)
static int	mxf_add_umid_metadata (AVDictionary **pm, const char *key, MXFPackage *package)
static int	mxf_add_timecode_metadata (AVDictionary **pm, const char *key, AVTimecode *tc)
static MXFTimecodeComponent *	mxf_resolve_timecode_component (MXFContext *mxf, UID *strong_ref)
static MXFPackage *	mxf_resolve_source_package (MXFContext *mxf, UID package_ul, UID package_uid)
static MXFDescriptor *	mxf_resolve_multidescriptor (MXFContext *mxf, MXFDescriptor *descriptor, int track_id)
static MXFStructuralComponent *	mxf_resolve_essence_group_choice (MXFContext *mxf, MXFEssenceGroup *essence_group)
static MXFStructuralComponent *	mxf_resolve_sourceclip (MXFContext *mxf, UID *strong_ref)
static int	mxf_parse_package_comments (MXFContext *mxf, AVDictionary **pm, MXFPackage *package)
static int	mxf_parse_physical_source_package (MXFContext *mxf, MXFTrack *source_track, AVStream *st)
static int	mxf_add_metadata_stream (MXFContext *mxf, MXFTrack *track)
static int	mxf_parse_structural_metadata (MXFContext *mxf)
static int64_t	mxf_timestamp_to_int64 (uint64_t timestamp)
static int	mxf_read_identification_metadata (void *arg, AVIOContext *pb, int tag, int size, UID _uid, int64_t klv_offset)
static int	mxf_read_preface_metadata (void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)
static int	mxf_metadataset_init (MXFMetadataSet *ctx, enum MXFMetadataSetType type)
static int	mxf_read_local_tags (MXFContext *mxf, KLVPacket *klv, MXFMetadataReadFunc *read_child, int ctx_size, enum MXFMetadataSetType type)
static int	mxf_is_partition_pack_key (UID key)
	Matches any partition pack key, in other words: More...
static int	mxf_parse_klv (MXFContext *mxf, KLVPacket klv, MXFMetadataReadFunc *read, int ctx_size, enum MXFMetadataSetType type)
	Parses a metadata KLV. More...
static int	mxf_seek_to_previous_partition (MXFContext *mxf)
	Seeks to the previous partition and parses it, if possible. More...
static int	mxf_parse_handle_essence (MXFContext *mxf)
	Called when essence is encountered. More...
static int	mxf_parse_handle_partition_or_eof (MXFContext *mxf)
	Called when the next partition or EOF is encountered. More...
static MXFWrappingScheme	mxf_get_wrapping_by_body_sid (AVFormatContext *s, int body_sid)
static void	mxf_compute_essence_containers (AVFormatContext *s)
	Figures out the proper offset and length of the essence container in each partition. More...
static int	is_pcm (enum AVCodecID codec_id)
static MXFIndexTable *	mxf_find_index_table (MXFContext *mxf, int index_sid)
static void	mxf_compute_edit_units_per_packet (MXFContext *mxf, AVStream *st)
	Deal with the case where for some audio atoms EditUnitByteCount is very small (2, 4..). More...
static int	mxf_handle_missing_index_segment (MXFContext *mxf, AVStream *st)
	Deal with the case where ClipWrapped essences does not have any IndexTableSegments. More...
static void	mxf_read_random_index_pack (AVFormatContext *s)
static int	mxf_read_header (AVFormatContext *s)
static int	mxf_get_next_track_edit_unit (MXFContext *mxf, MXFTrack *track, int64_t current_offset, int64_t *edit_unit_out)
static int64_t	mxf_compute_sample_count (MXFContext *mxf, AVStream *st, int64_t edit_unit)
static int64_t	mxf_set_current_edit_unit (MXFContext *mxf, AVStream *st, int64_t current_offset, int resync)
	Make sure track->sample_count is correct based on what offset we're currently at. More...
static int	mxf_set_audio_pts (MXFContext *mxf, AVCodecParameters *par, AVPacket *pkt)
static int	mxf_set_pts (MXFContext *mxf, AVStream *st, AVPacket *pkt)
static int	mxf_read_packet (AVFormatContext *s, AVPacket *pkt)
static int	mxf_probe (const 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_avid_essence_element_key [] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 }
static const uint8_t	mxf_canopus_essence_element_key [] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x0a,0x0e,0x0f,0x03,0x01 }
static const uint8_t	mxf_system_item_key_cp [] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 }
static const uint8_t	mxf_system_item_key_gc [] = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x03,0x01,0x14 }
static const uint8_t	mxf_klv_key [] = { 0x06,0x0e,0x2b,0x34 }
static const uint8_t	mxf_crypto_source_container_ul [] = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 }
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 uint8_t	mxf_random_index_pack_key [] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x11,0x01,0x00 }
static const uint8_t	mxf_sony_mpeg4_extradata [] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 }
static const uint8_t	mxf_avid_project_name [] = { 0xa5,0xfb,0x7b,0x25,0xf6,0x15,0x94,0xb9,0x62,0xfc,0x37,0x17,0x49,0x2d,0x42,0xbf }
static const uint8_t	mxf_jp2k_rsiz [] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }
static const uint8_t	mxf_indirect_value_utf16le [] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }
static const uint8_t	mxf_indirect_value_utf16be [] = { 0x42,0x01,0x10,0x02,0x00,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }
static const MXFCodecUL	mxf_picture_essence_container_uls []
static const MXFCodecUL	mxf_intra_only_essence_container_uls []
static const MXFCodecUL	mxf_intra_only_picture_essence_coding_uls []
static const MXFCodecUL	mxf_intra_only_picture_coded_width []
static const MXFCodecUL	mxf_sound_essence_container_uls []
static const MXFCodecUL	mxf_data_essence_container_uls []
static const MXFMetadataReadTableEntry	mxf_metadata_read_table []
static const AVOption	options []
static const AVClass	demuxer_class
AVInputFormat	ff_mxf_demuxer

Macro Definition Documentation

MXF_MAX_CHUNK_SIZE

#define MXF_MAX_CHUNK_SIZE   (32 << 20)

Definition at line 60 of file mxfdec.c.

MXF_FIELD_DOMINANCE_DEFAULT

#define MXF_FIELD_DOMINANCE_DEFAULT   0

Definition at line 194 of file mxfdec.c.

MXF_FIELD_DOMINANCE_FF

#define MXF_FIELD_DOMINANCE_FF   1 /* coded first, displayed first */

Definition at line 195 of file mxfdec.c.

MXF_FIELD_DOMINANCE_FL

#define MXF_FIELD_DOMINANCE_FL   2 /* coded first, displayed last */

Definition at line 196 of file mxfdec.c.

IS_KLV_KEY

#define IS_KLV_KEY	(		x,
			y
	)		(!memcmp(x, y, sizeof(y)))

Definition at line 326 of file mxfdec.c.

READ_STR16

#define READ_STR16	(		type,
			big_endian
	)

Value:

static int mxf_read_utf16 ## type ##_string(AVIOContext *pb, int size, char** str) \
{                                                                                  \
return mxf_read_utf16_string(pb, size, str, big_endian);                           \
}

Definition at line 906 of file mxfdec.c.

SET_STR_METADATA

#define SET_STR_METADATA	(		pb,
			name,
			str
	)

Value:

    do { \
    if ((ret = mxf_read_utf16be_string(pb, size, &str)) < 0) \
        return ret; \
    av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
} while (0)

Definition at line 2621 of file mxfdec.c.

SET_UID_METADATA

#define SET_UID_METADATA	(		pb,
			name,
			var,
			str
	)

Value:

    do { \
    avio_read(pb, var, 16); \
    if ((ret = mxf_uid_to_str(var, &str)) < 0) \
        return ret; \
    av_dict_set(&s->metadata, name, str, AV_DICT_DONT_STRDUP_VAL); \
} while (0)

Definition at line 2627 of file mxfdec.c.

SET_TS_METADATA

#define SET_TS_METADATA	(		pb,
			name,
			var,
			str
	)

Value:

    do { \
    var = avio_rb64(pb); \
    if (var && (ret = avpriv_dict_set_timestamp(&s->metadata, name, mxf_timestamp_to_int64(var))) < 0) \
        return ret; \
} while (0)

Definition at line 2634 of file mxfdec.c.

Typedef Documentation

MXFMetadataReadFunc

typedef int MXFMetadataReadFunc(void *arg, AVIOContext *pb, int tag, int size, UID uid, int64_t klv_offset)

Definition at line 296 of file mxfdec.c.

Enumeration Type Documentation

MXFPartitionType

enum MXFPartitionType

Enumerator
Header
BodyPartition
Footer

Definition at line 62 of file mxfdec.c.

MXFOP

enum MXFOP

Enumerator
OP1a
OP1b
OP1c
OP2a
OP2b
OP2c
OP3a
OP3b
OP3c
OPAtom
OPSONYOpt

Definition at line 68 of file mxfdec.c.

MXFWrappingScheme

enum MXFWrappingScheme

Enumerator
UnknownWrapped
FrameWrapped
ClipWrapped

Definition at line 82 of file mxfdec.c.

Function Documentation

mxf_read_close()

static int mxf_read_close ( AVFormatContext *  s )

static

Definition at line 3575 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_free_metadataset()

static void mxf_free_metadataset ( MXFMetadataSet **  ctx, int  freectx  )

static

Definition at line 328 of file mxfdec.c.

Referenced by mxf_add_metadata_set(), mxf_read_close(), and mxf_read_local_tags().

klv_decode_ber_length()

static int64_t klv_decode_ber_length ( AVIOContext *  pb )

static

Definition at line 369 of file mxfdec.c.

Referenced by klv_read_packet(), and mxf_decrypt_triplet().

mxf_read_sync()

static int mxf_read_sync ( AVIOContext *  pb, const uint8_t *  key, unsigned  size  )

static

Definition at line 386 of file mxfdec.c.

Referenced by klv_read_packet(), and mxf_read_header().

klv_read_packet()

static int klv_read_packet ( KLVPacket *  klv, AVIOContext *  pb  )

static

Definition at line 399 of file mxfdec.c.

Referenced by mxf_read_header(), mxf_read_packet(), mxf_read_random_index_pack(), and mxf_seek_to_previous_partition().

mxf_get_stream_index()

static int mxf_get_stream_index ( AVFormatContext *  s, KLVPacket *  klv, int  body_sid  )

static

Definition at line 418 of file mxfdec.c.

Referenced by mxf_decrypt_triplet(), and mxf_read_packet().

find_body_sid_by_absolute_offset()

static int find_body_sid_by_absolute_offset ( MXFContext *  mxf, int64_t  offset  )

static

Definition at line 432 of file mxfdec.c.

Referenced by mxf_decrypt_triplet(), and mxf_read_packet().

mxf_get_eia608_packet()

static int mxf_get_eia608_packet ( AVFormatContext *  s, AVStream *  st, AVPacket *  pkt, int64_t  length  )

static

Definition at line 455 of file mxfdec.c.

Referenced by mxf_read_packet().

mxf_get_d10_aes3_packet()

static int mxf_get_d10_aes3_packet ( AVIOContext *  pb, AVStream *  st, AVPacket *  pkt, int64_t  length  )

static

Definition at line 531 of file mxfdec.c.

Referenced by mxf_read_packet().

mxf_decrypt_triplet()

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

static

Definition at line 563 of file mxfdec.c.

Referenced by mxf_read_packet().

mxf_read_primer_pack()

static int mxf_read_primer_pack ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 632 of file mxfdec.c.

mxf_read_partition_pack()

static int mxf_read_partition_pack ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 658 of file mxfdec.c.

Referenced by mxf_seek_to_previous_partition().

mxf_add_metadata_set()

static int mxf_add_metadata_set ( MXFContext *  mxf, MXFMetadataSet **  metadata_set  )

static

Definition at line 828 of file mxfdec.c.

Referenced by mxf_handle_missing_index_segment(), and mxf_read_local_tags().

mxf_read_cryptographic_context()

static int mxf_read_cryptographic_context ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 843 of file mxfdec.c.

mxf_read_strong_ref_array()

static int mxf_read_strong_ref_array ( AVIOContext *  pb, UID **  refs, int *  count  )

static

Definition at line 853 of file mxfdec.c.

Referenced by mxf_read_content_storage(), mxf_read_essence_group(), mxf_read_generic_descriptor(), mxf_read_package(), and mxf_read_sequence().

mxf_read_utf16_string()

static int mxf_read_utf16_string ( AVIOContext *  pb, int  size, char **  str, int  be  )

inlinestatic

Definition at line 879 of file mxfdec.c.

mxf_read_content_storage()

static int mxf_read_content_storage ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 915 of file mxfdec.c.

mxf_read_source_clip()

static int mxf_read_source_clip ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 929 of file mxfdec.c.

mxf_read_timecode_component()

static int mxf_read_timecode_component ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 951 of file mxfdec.c.

mxf_read_pulldown_component()

static int mxf_read_pulldown_component ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 968 of file mxfdec.c.

mxf_read_track()

static int mxf_read_track ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 979 of file mxfdec.c.

mxf_read_sequence()

static int mxf_read_sequence ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1003 of file mxfdec.c.

mxf_read_essence_group()

static int mxf_read_essence_group ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1023 of file mxfdec.c.

mxf_read_package()

static int mxf_read_package ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1037 of file mxfdec.c.

mxf_read_essence_container_data()

static int mxf_read_essence_container_data ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1061 of file mxfdec.c.

mxf_read_index_entry_array()

static int mxf_read_index_entry_array ( AVIOContext *  pb, MXFIndexTableSegment *  segment  )

static

Definition at line 1080 of file mxfdec.c.

Referenced by mxf_read_index_table_segment().

mxf_read_index_table_segment()

static int mxf_read_index_table_segment ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1113 of file mxfdec.c.

mxf_read_pixel_layout()

static void mxf_read_pixel_layout ( AVIOContext *  pb, MXFDescriptor *  descriptor  )

static

Definition at line 1150 of file mxfdec.c.

Referenced by mxf_read_generic_descriptor().

mxf_read_generic_descriptor()

static int mxf_read_generic_descriptor ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1170 of file mxfdec.c.

mxf_read_indirect_value()

static int mxf_read_indirect_value ( void *  arg, AVIOContext *  pb, int  size  )

static

Definition at line 1274 of file mxfdec.c.

Referenced by mxf_read_tagged_value().

mxf_read_tagged_value()

static int mxf_read_tagged_value ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 1292 of file mxfdec.c.

mxf_match_uid()

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

static

Definition at line 1308 of file mxfdec.c.

Referenced by mxf_get_codec_ul().

mxf_get_codec_ul()

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

static

Definition at line 1318 of file mxfdec.c.

Referenced by mxf_add_metadata_stream(), mxf_get_wrapping_kind(), mxf_is_intra_only(), and mxf_parse_structural_metadata().

mxf_resolve_strong_ref()

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

static

Definition at line 1328 of file mxfdec.c.

Referenced by mxf_parse_package_comments(), mxf_parse_physical_source_package(), mxf_parse_structural_metadata(), mxf_resolve_essence_group_choice(), mxf_resolve_multidescriptor(), mxf_resolve_sourceclip(), and mxf_resolve_timecode_component().

mxf_get_wrapping_kind()

static MXFWrappingScheme mxf_get_wrapping_kind ( UID *  essence_container_ul )

static

Definition at line 1403 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_get_sorted_table_segments()

static int mxf_get_sorted_table_segments ( MXFContext *  mxf, int *  nb_sorted_segments, MXFIndexTableSegment ***  sorted_segments  )

static

Definition at line 1437 of file mxfdec.c.

Referenced by mxf_compute_index_tables().

mxf_absolute_bodysid_offset()

static int mxf_absolute_bodysid_offset ( MXFContext *  mxf, int  body_sid, int64_t  offset, int64_t *  offset_out, MXFPartition **  partition_out  )

static

Computes the absolute file offset of the given essence container offset.

Definition at line 1524 of file mxfdec.c.

Referenced by mxf_edit_unit_absolute_offset().

mxf_essence_container_end()

static int64_t mxf_essence_container_end ( MXFContext *  mxf, int  body_sid  )

static

Returns the end position of the essence container with given BodySID, or zero if unknown.

Definition at line 1567 of file mxfdec.c.

Referenced by mxf_set_current_edit_unit().

mxf_edit_unit_absolute_offset()

static int mxf_edit_unit_absolute_offset ( MXFContext *  mxf, MXFIndexTable *  index_table, int64_t  edit_unit, AVRational  edit_rate, int64_t *  edit_unit_out, int64_t *  offset_out, MXFPartition **  partition_out, int  nag  )

static

Definition at line 1585 of file mxfdec.c.

Referenced by mxf_get_next_track_edit_unit(), mxf_read_seek(), and mxf_set_current_edit_unit().

mxf_compute_ptses_fake_index()

static int mxf_compute_ptses_fake_index ( MXFContext *  mxf, MXFIndexTable *  index_table  )

static

We have this:

x TemporalOffset 0: 0 1: 1 2: 1 3: -2 4: 1 5: 1 6: -2

We want to transform it into this:

x DTS PTS 0: -1 0 1: 0 3 2: 1 1 3: 2 2 4: 3 6 5: 4 4 6: 5 5

We do this by bucket sorting x by x+TemporalOffset[x] into mxf->ptses, then settings mxf->first_dts = -max(TemporalOffset[x]). The latter makes DTS <= PTS.

Definition at line 1631 of file mxfdec.c.

Referenced by mxf_compute_index_tables().

mxf_compute_index_tables()

static int mxf_compute_index_tables ( MXFContext *  mxf )

static

Sorts and collects index table segments into index tables.

Also computes PTSes if possible.

Definition at line 1755 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_is_intra_only()

static int mxf_is_intra_only ( MXFDescriptor *  descriptor )

static

Definition at line 1863 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_uid_to_str()

static int mxf_uid_to_str ( UID  uid, char **  str  )

static

Definition at line 1871 of file mxfdec.c.

mxf_umid_to_str()

static int mxf_umid_to_str ( UID  ul, UID  uid, char **  str  )

static

Definition at line 1889 of file mxfdec.c.

Referenced by mxf_add_umid_metadata().

mxf_add_umid_metadata()

static int mxf_add_umid_metadata ( AVDictionary **  pm, const char *  key, MXFPackage *  package  )

static

Definition at line 1910 of file mxfdec.c.

Referenced by mxf_add_metadata_stream(), mxf_parse_physical_source_package(), and mxf_parse_structural_metadata().

mxf_add_timecode_metadata()

static int mxf_add_timecode_metadata ( AVDictionary **  pm, const char *  key, AVTimecode *  tc  )

static

Definition at line 1922 of file mxfdec.c.

Referenced by mxf_parse_physical_source_package(), and mxf_parse_structural_metadata().

mxf_resolve_timecode_component()

static MXFTimecodeComponent* mxf_resolve_timecode_component ( MXFContext *  mxf, UID *  strong_ref  )

static

Definition at line 1930 of file mxfdec.c.

Referenced by mxf_parse_physical_source_package().

mxf_resolve_source_package()

static MXFPackage* mxf_resolve_source_package ( MXFContext *  mxf, UID  package_ul, UID  package_uid  )

static

Definition at line 1951 of file mxfdec.c.

Referenced by mxf_parse_physical_source_package(), mxf_parse_structural_metadata(), and mxf_resolve_essence_group_choice().

mxf_resolve_multidescriptor()

static MXFDescriptor* mxf_resolve_multidescriptor ( MXFContext *  mxf, MXFDescriptor *  descriptor, int  track_id  )

static

Definition at line 1967 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_resolve_essence_group_choice()

static MXFStructuralComponent* mxf_resolve_essence_group_choice ( MXFContext *  mxf, MXFEssenceGroup *  essence_group  )

static

Definition at line 1993 of file mxfdec.c.

Referenced by mxf_resolve_sourceclip().

mxf_resolve_sourceclip()

static MXFStructuralComponent* mxf_resolve_sourceclip ( MXFContext *  mxf, UID *  strong_ref  )

static

Definition at line 2020 of file mxfdec.c.

Referenced by mxf_add_metadata_stream(), and mxf_parse_structural_metadata().

mxf_parse_package_comments()

static int mxf_parse_package_comments ( MXFContext *  mxf, AVDictionary **  pm, MXFPackage *  package  )

static

Definition at line 2038 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_parse_physical_source_package()

static int mxf_parse_physical_source_package ( MXFContext *  mxf, MXFTrack *  source_track, AVStream *  st  )

static

Definition at line 2058 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_add_metadata_stream()

static int mxf_add_metadata_stream ( MXFContext *  mxf, MXFTrack *  track  )

static

Definition at line 2128 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_parse_structural_metadata()

static int mxf_parse_structural_metadata ( MXFContext *  mxf )

static

Definition at line 2166 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_timestamp_to_int64()

static int64_t mxf_timestamp_to_int64 ( uint64_t  timestamp )

static

Definition at line 2598 of file mxfdec.c.

mxf_read_identification_metadata()

static int mxf_read_identification_metadata ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  _uid, int64_t  klv_offset  )

static

Definition at line 2640 of file mxfdec.c.

mxf_read_preface_metadata()

static int mxf_read_preface_metadata ( void *  arg, AVIOContext *  pb, int  tag, int  size, UID  uid, int64_t  klv_offset  )

static

Definition at line 2677 of file mxfdec.c.

mxf_metadataset_init()

static int mxf_metadataset_init ( MXFMetadataSet *  ctx, enum MXFMetadataSetType  type  )

static

Definition at line 2732 of file mxfdec.c.

Referenced by mxf_read_local_tags().

mxf_read_local_tags()

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

static

Definition at line 2747 of file mxfdec.c.

Referenced by mxf_parse_klv().

mxf_is_partition_pack_key()

static int mxf_is_partition_pack_key ( UID  key )

static

Matches any partition pack key, in other words:

• HeaderPartition
• BodyPartition
• FooterPartition

  Returns

  non-zero if the key is a partition pack key, zero otherwise

Definition at line 2815 of file mxfdec.c.

Referenced by mxf_read_header(), and mxf_seek_to_previous_partition().

mxf_parse_klv()

static int mxf_parse_klv ( MXFContext *  mxf, KLVPacket  klv, MXFMetadataReadFunc *  read, int  ctx_size, enum MXFMetadataSetType  type  )

static

Parses a metadata KLV.

Returns

<0 on error, 0 otherwise

Definition at line 2826 of file mxfdec.c.

Referenced by mxf_read_header(), and mxf_seek_to_previous_partition().

mxf_seek_to_previous_partition()

static int mxf_seek_to_previous_partition ( MXFContext *  mxf )

static

Seeks to the previous partition and parses it, if possible.

Returns

<= 0 if we should stop parsing, > 0 if we should keep going

Definition at line 2857 of file mxfdec.c.

Referenced by mxf_parse_handle_essence(), and mxf_parse_handle_partition_or_eof().

mxf_parse_handle_essence()

static int mxf_parse_handle_essence ( MXFContext *  mxf )

static

Called when essence is encountered.

Returns

<= 0 if we should stop parsing, > 0 if we should keep going

Definition at line 2908 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_parse_handle_partition_or_eof()

static int mxf_parse_handle_partition_or_eof ( MXFContext *  mxf )

static

Called when the next partition or EOF is encountered.

Returns

<= 0 if we should stop parsing, > 0 if we should keep going

Definition at line 2951 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_get_wrapping_by_body_sid()

static MXFWrappingScheme mxf_get_wrapping_by_body_sid ( AVFormatContext *  s, int  body_sid  )

static

Definition at line 2956 of file mxfdec.c.

Referenced by mxf_compute_essence_containers().

mxf_compute_essence_containers()

static void mxf_compute_essence_containers ( AVFormatContext *  s )

static

Figures out the proper offset and length of the essence container in each partition.

Definition at line 2969 of file mxfdec.c.

Referenced by mxf_read_header().

is_pcm()

static int is_pcm ( enum AVCodecID  codec_id )

static

Definition at line 3008 of file mxfdec.c.

Referenced by mxf_compute_edit_units_per_packet(), and mxf_handle_missing_index_segment().

mxf_find_index_table()

static MXFIndexTable* mxf_find_index_table ( MXFContext *  mxf, int  index_sid  )

static

Definition at line 3014 of file mxfdec.c.

Referenced by mxf_compute_edit_units_per_packet(), mxf_get_next_track_edit_unit(), mxf_set_current_edit_unit(), and mxf_set_pts().

mxf_compute_edit_units_per_packet()

static void mxf_compute_edit_units_per_packet ( MXFContext *  mxf, AVStream *  st  )

static

Deal with the case where for some audio atoms EditUnitByteCount is very small (2, 4..).

In those cases we should read more than one sample per call to mxf_read_packet().

Definition at line 3028 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_handle_missing_index_segment()

static int mxf_handle_missing_index_segment ( MXFContext *  mxf, AVStream *  st  )

static

Deal with the case where ClipWrapped essences does not have any IndexTableSegments.

Definition at line 3059 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_read_random_index_pack()

static void mxf_read_random_index_pack ( AVFormatContext *  s )

static

Definition at line 3127 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_read_header()

static int mxf_read_header ( AVFormatContext *  s )

static

Definition at line 3181 of file mxfdec.c.

mxf_get_next_track_edit_unit()

static int mxf_get_next_track_edit_unit ( MXFContext *  mxf, MXFTrack *  track, int64_t  current_offset, int64_t *  edit_unit_out  )

static

Definition at line 3301 of file mxfdec.c.

Referenced by mxf_read_seek(), and mxf_set_current_edit_unit().

mxf_compute_sample_count()

static int64_t mxf_compute_sample_count ( MXFContext *  mxf, AVStream *  st, int64_t  edit_unit  )

static

Definition at line 3327 of file mxfdec.c.

Referenced by mxf_read_seek(), mxf_set_audio_pts(), and mxf_set_current_edit_unit().

mxf_set_current_edit_unit()

static int64_t mxf_set_current_edit_unit ( MXFContext *  mxf, AVStream *  st, int64_t  current_offset, int  resync  )

static

Make sure track->sample_count is correct based on what offset we're currently at.

Also determine the next edit unit (or packet) offset.

Returns

next_ofs if OK, <0 on error

Definition at line 3358 of file mxfdec.c.

Referenced by mxf_read_packet().

mxf_set_audio_pts()

static int mxf_set_audio_pts ( MXFContext *  mxf, AVCodecParameters *  par, AVPacket *  pkt  )

static

Definition at line 3396 of file mxfdec.c.

Referenced by mxf_set_pts().

mxf_set_pts()

static int mxf_set_pts ( MXFContext *  mxf, AVStream *  st, AVPacket *  pkt  )

static

Definition at line 3418 of file mxfdec.c.

Referenced by mxf_read_packet().

mxf_read_packet()

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

static

Definition at line 3448 of file mxfdec.c.

mxf_probe()

static int mxf_probe ( const AVProbeData *  p )

static

Definition at line 3608 of file mxfdec.c.

mxf_read_seek()

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

static

Definition at line 3635 of file mxfdec.c.

Variable Documentation

mxf_header_partition_pack_key

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 308 of file mxfdec.c.

Referenced by mxf_is_partition_pack_key(), mxf_probe(), and mxf_read_header().

mxf_essence_element_key

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

static

Definition at line 309 of file mxfdec.c.

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

mxf_avid_essence_element_key

const uint8_t mxf_avid_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x01,0x0e,0x04,0x03,0x01 }

static

Definition at line 310 of file mxfdec.c.

Referenced by mxf_read_header(), and mxf_read_packet().

mxf_canopus_essence_element_key

const uint8_t mxf_canopus_essence_element_key[] = { 0x06,0x0e,0x2b,0x34,0x01,0x02,0x01,0x0a,0x0e,0x0f,0x03,0x01 }

static

Definition at line 311 of file mxfdec.c.

Referenced by mxf_read_header(), and mxf_read_packet().

mxf_system_item_key_cp

const uint8_t mxf_system_item_key_cp[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x03,0x01,0x04 }

static

Definition at line 312 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_system_item_key_gc

const uint8_t mxf_system_item_key_gc[] = { 0x06,0x0e,0x2b,0x34,0x02,0x53,0x01,0x01,0x0d,0x01,0x03,0x01,0x14 }

static

Definition at line 313 of file mxfdec.c.

Referenced by mxf_read_header().

mxf_klv_key

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

static

Definition at line 314 of file mxfdec.c.

Referenced by klv_read_packet().

mxf_crypto_source_container_ul

const uint8_t mxf_crypto_source_container_ul[] = { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0x09,0x06,0x01,0x01,0x02,0x02,0x00,0x00,0x00 }

static

Definition at line 316 of file mxfdec.c.

Referenced by mxf_read_cryptographic_context().

mxf_encrypted_triplet_key

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 317 of file mxfdec.c.

Referenced by mxf_read_header(), and mxf_read_packet().

mxf_encrypted_essence_container

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 318 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_random_index_pack_key

const uint8_t mxf_random_index_pack_key[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x11,0x01,0x00 }

static

Definition at line 319 of file mxfdec.c.

Referenced by mxf_read_random_index_pack().

mxf_sony_mpeg4_extradata

const uint8_t mxf_sony_mpeg4_extradata[] = { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0e,0x06,0x06,0x02,0x02,0x01,0x00,0x00 }

static

Definition at line 320 of file mxfdec.c.

Referenced by mxf_read_generic_descriptor().

mxf_avid_project_name

const uint8_t mxf_avid_project_name[] = { 0xa5,0xfb,0x7b,0x25,0xf6,0x15,0x94,0xb9,0x62,0xfc,0x37,0x17,0x49,0x2d,0x42,0xbf }

static

Definition at line 321 of file mxfdec.c.

Referenced by mxf_read_preface_metadata().

mxf_jp2k_rsiz

const uint8_t mxf_jp2k_rsiz[] = { 0x06,0x0e,0x2b,0x34,0x02,0x05,0x01,0x01,0x0d,0x01,0x02,0x01,0x01,0x02,0x01,0x00 }

static

Definition at line 322 of file mxfdec.c.

Referenced by mxf_read_generic_descriptor().

mxf_indirect_value_utf16le

const uint8_t mxf_indirect_value_utf16le[] = { 0x4c,0x00,0x02,0x10,0x01,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }

static

Definition at line 323 of file mxfdec.c.

Referenced by mxf_read_indirect_value().

mxf_indirect_value_utf16be

const uint8_t mxf_indirect_value_utf16be[] = { 0x42,0x01,0x10,0x02,0x00,0x00,0x00,0x00,0x00,0x06,0x0e,0x2b,0x34,0x01,0x04,0x01,0x01 }

static

Definition at line 324 of file mxfdec.c.

Referenced by mxf_read_indirect_value().

mxf_picture_essence_container_uls

const MXFCodecUL mxf_picture_essence_container_uls[]

static

Initial value:

= {
    
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x0d,0x01,0x03,0x01,0x02,0x0c,0x01,0x00 }, 14,   AV_CODEC_ID_JPEG2000, NULL, 14 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x10,0x60,0x01 }, 14,       AV_CODEC_ID_H264, NULL, 15 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x11,0x01,0x00 }, 14,      AV_CODEC_ID_DNXHD, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x12,0x01,0x00 }, 14,        AV_CODEC_ID_VC1, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x14,0x01,0x00 }, 14,       AV_CODEC_ID_TIFF, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x15,0x01,0x00 }, 14,      AV_CODEC_ID_DIRAC, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x1b,0x01,0x00 }, 14,       AV_CODEC_ID_CFHD, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x1c,0x01,0x00 }, 14,     AV_CODEC_ID_PRORES, NULL, 14 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x60,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO, NULL, 15 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x04,0x01 }, 14, AV_CODEC_ID_MPEG2VIDEO, NULL, 15, D10D11Wrap }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x02,0x41,0x01 }, 14,    AV_CODEC_ID_DVVIDEO, NULL, 15 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x05,0x00,0x00 }, 14,   AV_CODEC_ID_RAWVIDEO, NULL, 15, RawVWrap }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x01,0x01 }, 15,     AV_CODEC_ID_HQ_HQA },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x0f,0x03,0x01,0x02,0x20,0x02,0x01 }, 15,        AV_CODEC_ID_HQX },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0a,0x0e,0x15,0x00,0x04,0x02,0x10,0x00,0x01 }, 16,       AV_CODEC_ID_HEVC, NULL, 15 }, 
    { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4f }, 14,   AV_CODEC_ID_RAWVIDEO }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      AV_CODEC_ID_NONE },
}

Definition at line 1343 of file mxfdec.c.

Referenced by mxf_get_wrapping_kind(), and mxf_parse_structural_metadata().

mxf_intra_only_essence_container_uls

const MXFCodecUL mxf_intra_only_essence_container_uls[]

static

Initial value:

= {
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x00,0x00 }, 14, AV_CODEC_ID_MPEG2VIDEO }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
}

Definition at line 1365 of file mxfdec.c.

Referenced by mxf_is_intra_only().

mxf_intra_only_picture_essence_coding_uls

const MXFCodecUL mxf_intra_only_picture_essence_coding_uls[]

static

Initial value:

= {
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x00,0x00 }, 14,       AV_CODEC_ID_H264 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x07,0x04,0x01,0x02,0x02,0x03,0x01,0x01,0x00 }, 14,   AV_CODEC_ID_JPEG2000 }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,       AV_CODEC_ID_NONE },
}

Definition at line 1371 of file mxfdec.c.

Referenced by mxf_is_intra_only().

mxf_intra_only_picture_coded_width

const MXFCodecUL mxf_intra_only_picture_coded_width[]

static

Initial value:

= {
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x01 }, 16, 1440 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x02 }, 16, 1440 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x03 }, 16, 1440 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x0A,0x04,0x01,0x02,0x02,0x01,0x32,0x21,0x04 }, 16, 1440 },
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,    0 },
}

Definition at line 1378 of file mxfdec.c.

Referenced by mxf_parse_structural_metadata().

mxf_sound_essence_container_uls

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 }, 14, AV_CODEC_ID_PCM_S16LE, NULL, 14, RawAWrap }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x02,0x0d,0x01,0x03,0x01,0x02,0x04,0x40,0x01 }, 14,       AV_CODEC_ID_MP2, NULL, 15 }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x01,0x0d,0x01,0x03,0x01,0x02,0x01,0x01,0x01 }, 14, AV_CODEC_ID_PCM_S16LE, NULL, 13 }, 
    { { 0x06,0x0e,0x2b,0x34,0x01,0x01,0x01,0xff,0x4b,0x46,0x41,0x41,0x00,0x0d,0x4d,0x4F }, 14, AV_CODEC_ID_PCM_S16LE }, 
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x03,0x04,0x02,0x02,0x02,0x03,0x03,0x01,0x00 }, 14,       AV_CODEC_ID_AAC }, 
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0,      AV_CODEC_ID_NONE },
}

Definition at line 1386 of file mxfdec.c.

Referenced by mxf_get_wrapping_kind(), and mxf_parse_structural_metadata().

mxf_data_essence_container_uls

const MXFCodecUL mxf_data_essence_container_uls[]

static

Initial value:

= {
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0d,0x00,0x00 }, 16, AV_CODEC_ID_NONE,      "vbi_smpte_436M", 11 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x0e,0x00,0x00 }, 16, AV_CODEC_ID_NONE, "vbi_vanc_smpte_436M", 11 },
    { { 0x06,0x0e,0x2b,0x34,0x04,0x01,0x01,0x09,0x0d,0x01,0x03,0x01,0x02,0x13,0x01,0x01 }, 16, AV_CODEC_ID_TTML },
    { { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 },  0, AV_CODEC_ID_NONE },
}

Definition at line 1396 of file mxfdec.c.

Referenced by mxf_get_wrapping_kind(), and mxf_parse_structural_metadata().

mxf_metadata_read_table

const MXFMetadataReadTableEntry mxf_metadata_read_table[]

static

Definition at line 2690 of file mxfdec.c.

Referenced by mxf_read_header().

options

const AVOption options[]

static

Initial value:

= {
    { "eia608_extract", "extract eia 608 captions from s436m track",
      0x42, AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1,
      AV_OPT_FLAG_DECODING_PARAM },
    { NULL },
}

Definition at line 3745 of file mxfdec.c.

demuxer_class

const AVClass demuxer_class

static

Initial value:

= {
    .class_name = "mxf",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_DEMUXER,
}

Definition at line 3752 of file mxfdec.c.

ff_mxf_demuxer

AVInputFormat ff_mxf_demuxer

Initial value:

= {
    .name           = "mxf",
    .long_name      = NULL_IF_CONFIG_SMALL("MXF (Material eXchange Format)"),
    .flags          = AVFMT_SEEK_TO_PTS,
    .priv_data_size = sizeof(MXFContext),
    .read_probe     = mxf_probe,
    .read_header    = mxf_read_header,
    .read_packet    = mxf_read_packet,
    .read_close     = mxf_read_close,
    .read_seek      = mxf_read_seek,
    .priv_class     = &demuxer_class,
}

Definition at line 3760 of file mxfdec.c.