mirror of
https://github.com/mpv-player/mpv
synced 2024-12-20 22:02:59 +00:00
3462da0b5c
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22396 b3059339-0415-0410-9bf9-f77b7e298cf2
230 lines
7.2 KiB
C
230 lines
7.2 KiB
C
#ifndef __ASF_H
|
|
#define __ASF_H
|
|
|
|
//#include "config.h" /* for WORDS_BIGENDIAN */
|
|
#include <inttypes.h>
|
|
#include "libavutil/common.h"
|
|
#include "mpbswap.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 stream_id[16]; // stream GUID
|
|
uint64_t file_size;
|
|
uint64_t creation_time; //File creation time FILETIME 8
|
|
uint64_t num_packets; //Number of packets UINT64 8
|
|
uint64_t play_duration; //Timestamp of the end position UINT64 8
|
|
uint64_t send_duration; //Duration of the playback UINT64 8
|
|
uint64_t preroll; //Time to bufferize before playing UINT32 4
|
|
uint32_t flags; //Unknown, maybe flags ( usually contains 2 ) UINT32 4
|
|
uint32_t min_packet_size; //Min size of the packet, in bytes UINT32 4
|
|
uint32_t max_packet_size; //Max size of the packet UINT32 4
|
|
uint32_t max_bitrate; //Maximum bitrate of the media (sum of all the stream)
|
|
} 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 size;
|
|
uint32_t sequence_number;
|
|
uint16_t unknown;
|
|
uint16_t size_confirm;
|
|
} ASF_stream_chunck_t;
|
|
|
|
// Definition of the stream type
|
|
#ifdef WORDS_BIGENDIAN
|
|
#define ASF_STREAMING_CLEAR 0x2443 // $C
|
|
#define ASF_STREAMING_DATA 0x2444 // $D
|
|
#define ASF_STREAMING_END_TRANS 0x2445 // $E
|
|
#define ASF_STREAMING_HEADER 0x2448 // $H
|
|
#else
|
|
#define ASF_STREAMING_CLEAR 0x4324 // $C
|
|
#define ASF_STREAMING_DATA 0x4424 // $D
|
|
#define ASF_STREAMING_END_TRANS 0x4524 // $E
|
|
#define ASF_STREAMING_HEADER 0x4824 // $H
|
|
#endif
|
|
|
|
// Definition of the differents type of ASF streaming
|
|
typedef enum {
|
|
ASF_Unknown_e,
|
|
ASF_Live_e,
|
|
ASF_Prerecorded_e,
|
|
ASF_Redirector_e,
|
|
ASF_PlainText_e,
|
|
ASF_Authenticate_e
|
|
} ASF_StreamType_e;
|
|
|
|
typedef struct {
|
|
ASF_StreamType_e streaming_type;
|
|
int request;
|
|
int packet_size;
|
|
int *audio_streams,n_audio,*video_streams,n_video;
|
|
int audio_id, video_id;
|
|
} asf_http_streaming_ctrl_t;
|
|
|
|
|
|
/*
|
|
* Some macros to swap little endian structures read from an ASF file
|
|
* into machine endian format
|
|
*/
|
|
#ifdef WORDS_BIGENDIAN
|
|
#define le2me_ASF_obj_header_t(h) { \
|
|
(h)->size = le2me_64((h)->size); \
|
|
}
|
|
#define le2me_ASF_header_t(h) { \
|
|
le2me_ASF_obj_header_t(&(h)->objh); \
|
|
(h)->cno = le2me_32((h)->cno); \
|
|
}
|
|
#define le2me_ASF_stream_header_t(h) { \
|
|
(h)->unk1 = le2me_64((h)->unk1); \
|
|
(h)->type_size = le2me_32((h)->type_size); \
|
|
(h)->stream_size = le2me_32((h)->stream_size); \
|
|
(h)->stream_no = le2me_16((h)->stream_no); \
|
|
(h)->unk2 = le2me_32((h)->unk2); \
|
|
}
|
|
#define le2me_ASF_file_header_t(h) { \
|
|
(h)->file_size = le2me_64((h)->file_size); \
|
|
(h)->creation_time = le2me_64((h)->creation_time); \
|
|
(h)->num_packets = le2me_64((h)->num_packets); \
|
|
(h)->play_duration = le2me_64((h)->play_duration); \
|
|
(h)->send_duration = le2me_64((h)->send_duration); \
|
|
(h)->preroll = le2me_64((h)->preroll); \
|
|
(h)->flags = le2me_32((h)->flags); \
|
|
(h)->min_packet_size = le2me_32((h)->min_packet_size); \
|
|
(h)->max_packet_size = le2me_32((h)->max_packet_size); \
|
|
(h)->max_bitrate = le2me_32((h)->max_bitrate); \
|
|
}
|
|
#define le2me_ASF_content_description_t(h) { \
|
|
(h)->title_size = le2me_16((h)->title_size); \
|
|
(h)->author_size = le2me_16((h)->author_size); \
|
|
(h)->copyright_size = le2me_16((h)->copyright_size); \
|
|
(h)->comment_size = le2me_16((h)->comment_size); \
|
|
(h)->rating_size = le2me_16((h)->rating_size); \
|
|
}
|
|
#define le2me_BITMAPINFOHEADER(h) { \
|
|
(h)->biSize = le2me_32((h)->biSize); \
|
|
(h)->biWidth = le2me_32((h)->biWidth); \
|
|
(h)->biHeight = le2me_32((h)->biHeight); \
|
|
(h)->biPlanes = le2me_16((h)->biPlanes); \
|
|
(h)->biBitCount = le2me_16((h)->biBitCount); \
|
|
(h)->biCompression = le2me_32((h)->biCompression); \
|
|
(h)->biSizeImage = le2me_32((h)->biSizeImage); \
|
|
(h)->biXPelsPerMeter = le2me_32((h)->biXPelsPerMeter); \
|
|
(h)->biYPelsPerMeter = le2me_32((h)->biYPelsPerMeter); \
|
|
(h)->biClrUsed = le2me_32((h)->biClrUsed); \
|
|
(h)->biClrImportant = le2me_32((h)->biClrImportant); \
|
|
}
|
|
#define le2me_WAVEFORMATEX(h) { \
|
|
(h)->wFormatTag = le2me_16((h)->wFormatTag); \
|
|
(h)->nChannels = le2me_16((h)->nChannels); \
|
|
(h)->nSamplesPerSec = le2me_32((h)->nSamplesPerSec); \
|
|
(h)->nAvgBytesPerSec = le2me_32((h)->nAvgBytesPerSec); \
|
|
(h)->nBlockAlign = le2me_16((h)->nBlockAlign); \
|
|
(h)->wBitsPerSample = le2me_16((h)->wBitsPerSample); \
|
|
(h)->cbSize = le2me_16((h)->cbSize); \
|
|
}
|
|
#define le2me_ASF_stream_chunck_t(h) { \
|
|
(h)->size = le2me_16((h)->size); \
|
|
(h)->sequence_number = le2me_32((h)->sequence_number); \
|
|
(h)->unknown = le2me_16((h)->unknown); \
|
|
(h)->size_confirm = le2me_16((h)->size_confirm); \
|
|
}
|
|
#else
|
|
#define le2me_ASF_obj_header_t(h) /**/
|
|
#define le2me_ASF_header_t(h) /**/
|
|
#define le2me_ASF_stream_header_t(h) /**/
|
|
#define le2me_ASF_file_header_t(h) /**/
|
|
#define le2me_ASF_content_description_t(h) /**/
|
|
#define le2me_BITMAPINFOHEADER(h) /**/
|
|
#define le2me_WAVEFORMATEX(h) /**/
|
|
#define le2me_ASF_stream_chunck_t(h) /**/
|
|
#endif
|
|
|
|
// priv struct for the demuxer
|
|
struct asf_priv {
|
|
ASF_header_t header;
|
|
unsigned char* packet;
|
|
int scrambling_h;
|
|
int scrambling_w;
|
|
int scrambling_b;
|
|
unsigned packetsize;
|
|
double packetrate;
|
|
unsigned movielength;
|
|
double avg_vid_frame_time;
|
|
int asf_is_dvr_ms;
|
|
uint32_t asf_frame_state;
|
|
int asf_frame_start_found;
|
|
double dvr_last_vid_pts;
|
|
};
|
|
|
|
#endif
|