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#ifndef ASF_H
#define ASF_H
#include <inttypes.h>
///////////////////////
// MS GUID definition
///////////////////////
#ifndef GUID_DEFINED
#define GUID_DEFINED
// Size of GUID is 16 bytes!
typedef struct __attribute__((packed)) {
uint32_t Data1; // 4 bytes
uint16_t Data2; // 2 bytes
uint16_t Data3; // 2 bytes
uint8_t Data4[8]; // 8 bytes
} GUID_t;
#endif
///////////////////////
// ASF Object Header
///////////////////////
typedef struct __attribute__((packed)) {
uint8_t guid[16];
uint64_t size;
} ASF_obj_header_t;
////////////////
// ASF Header
////////////////
typedef struct __attribute__((packed)) {
ASF_obj_header_t objh;
uint32_t cno; // number of subchunks
uint8_t v1; // unknown (0x01)
uint8_t v2; // unknown (0x02)
} ASF_header_t;
/////////////////////
// ASF File Header
/////////////////////
typedef struct __attribute__((packed)) {
uint8_t client[16]; // Client GUID
uint64_t file_size;
uint64_t creat_time; //File creation time FILETIME 8
uint64_t packets; //Number of packets UINT64 8
uint64_t end_timestamp; //Timestamp of the end position UINT64 8
uint64_t duration; //Duration of the playback UINT64 8
uint32_t start_timestamp; //Timestamp of the start position UINT32 4
uint32_t unk1; //Unknown, maybe reserved ( usually contains 0 ) UINT32 4
uint32_t flags; //Unknown, maybe flags ( usually contains 2 ) UINT32 4
uint32_t packetsize; //Size of packet, in bytes UINT32 4
uint32_t packetsize2; //Size of packet ( confirm ) UINT32 4
uint32_t frame_size; //Size of uncompressed video frame UINT32 4
} ASF_file_header_t;
///////////////////////
// ASF Stream Header
///////////////////////
typedef struct __attribute__((packed)) {
uint8_t type[16]; // Stream type (audio/video) GUID 16
uint8_t concealment[16]; // Audio error concealment type GUID 16
uint64_t unk1; // Unknown, maybe reserved ( usually contains 0 ) UINT64 8
uint32_t type_size; //Total size of type-specific data UINT32 4
uint32_t stream_size; //Size of stream-specific data UINT32 4
uint16_t stream_no; //Stream number UINT16 2
uint32_t unk2; //Unknown UINT32 4
} ASF_stream_header_t;
///////////////////////////
// ASF Content Description
///////////////////////////
typedef struct __attribute__((packed)) {
uint16_t title_size;
uint16_t author_size;
uint16_t copyright_size;
uint16_t comment_size;
uint16_t rating_size;
} ASF_content_description_t;
////////////////////////
// ASF Segment Header
////////////////////////
typedef struct __attribute__((packed)) {
uint8_t streamno;
uint8_t seq;
uint32_t x;
uint8_t flag;
} ASF_segmhdr_t;
//////////////////////
// ASF Stream Chunck
//////////////////////
typedef struct __attribute__((packed)) {
uint16_t type;
uint16_t length;
uint32_t sequence_number;
uint16_t unknown;
uint16_t length2;
} ASF_stream_chunck_t;
// Definition of the differents type of ASF streaming
typedef enum {
ASF_Unknown_e,
ASF_Live_e,
ASF_Prerecorded_e,
ASF_Redirector_e
} ASF_StreamType_e;
#endif
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