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declare and use UID type

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Originally committed as revision 5836 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Baptiste Coudurier 19 years ago
parent 7c87a2f0c0
commit 4bfff76814
1 changed files with 18 additions and 14 deletions
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  1. 32
      libavformat/mxf.c

32
libavformat/mxf.c
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@ -43,17 +43,19 @@
#include "dsputil.h"
#include "riff.h"
typedef DECLARE_ALIGNED_16(uint8_t, UID[16]);
typedef struct {
AVStream *stream;
uint8_t track_uid[16];
uint8_t sequence_uid[16];
UID track_uid;
UID sequence_uid;
int track_id;
int track_number;
} MXFTrack;
typedef struct {
DECLARE_ALIGNED_16(uint8_t, essence_container[16]);
DECLARE_ALIGNED_16(uint8_t, essence_compression[16]);
UID essence_container;
UID essence_compression;
enum CodecType codec_type;
AVRational sample_rate;
AVRational aspect_ratio;
@ -75,20 +77,22 @@ typedef struct {
} MXFContext;
typedef struct {
DECLARE_ALIGNED_16(uint8_t, key[16]);
UID key;
offset_t offset;
uint64_t length;
} KLVPacket;
static const uint8_t mxf_metadata_source_package_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x37, 0x00 };
static const uint8_t mxf_metadata_sequence_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0F, 0x00 };
static const uint8_t mxf_metadata_generic_sound_descriptor_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x42, 0x00 };
static const uint8_t mxf_metadata_cdci_descriptor_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x00 };
static const uint8_t mxf_metadata_mpegvideo_descriptor_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x51, 0x00 };
static const uint8_t mxf_metadata_wave_descriptor_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x48, 0x00 };
static const uint8_t mxf_metadata_track_key[] = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x3b, 0x00 };
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 };
static const UID mxf_metadata_source_package_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x37, 0x00 };
static const UID mxf_metadata_sequence_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x0F, 0x00 };
static const UID mxf_metadata_generic_sound_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x42, 0x00 };
static const UID mxf_metadata_cdci_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x00 };
static const UID mxf_metadata_mpegvideo_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x51, 0x00 };
static const UID mxf_metadata_wave_descriptor_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x48, 0x00 };
static const UID mxf_metadata_track_key = { 0x06, 0x0e, 0x2b, 0x34, 0x02, 0x53, 0x01, 0x01, 0x0d, 0x01, 0x01, 0x01, 0x01, 0x01, 0x3b, 0x00 };
/* partial keys to match */
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 };
#define IS_KLV_KEY(x, y) (!memcmp(x, y, sizeof(y)))

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