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