398 lines
11 KiB
C
398 lines
11 KiB
C
/*
|
|
* Copyright (c) 2004-2006 Mike Matsnev. All Rights Reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice immediately at the beginning of the file, without modification,
|
|
* this list of conditions, and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Absolutely no warranty of function or purpose is made by the author
|
|
* Mike Matsnev.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* $Id: MatroskaParser.h,v 1.18.2.6 2006/01/13 01:44:45 mike Exp $
|
|
*
|
|
*/
|
|
|
|
#ifndef MATROSKA_PARSER_H
|
|
#define MATROSKA_PARSER_H
|
|
|
|
/* Random notes:
|
|
*
|
|
* The parser does not process frame data in any way and does not read it into
|
|
* the queue. The app should read it via mkv_ReadData if it is interested.
|
|
*
|
|
* The code here is 64-bit clean and was tested on FreeBSD/sparc 64-bit big endian
|
|
* system
|
|
*/
|
|
|
|
#ifdef MPDLLBUILD
|
|
#define X __declspec(dllexport)
|
|
#else
|
|
#ifdef MPDLL
|
|
#define X __declspec(dllimport)
|
|
#pragma comment(lib,"MatroskaParser")
|
|
#else
|
|
#define X
|
|
#endif
|
|
#endif
|
|
|
|
#define MATROSKA_COMPRESSION_SUPPORT
|
|
#define MATROSKA_INTEGER_ONLY
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* 64-bit integers */
|
|
#ifdef _WIN32_WCE
|
|
typedef signed __int64 longlong;
|
|
typedef unsigned __int64 ulonglong;
|
|
#else
|
|
typedef signed long long longlong;
|
|
typedef unsigned long long ulonglong;
|
|
#endif
|
|
|
|
/* MKFLOATing point */
|
|
#ifdef MATROSKA_INTEGER_ONLY
|
|
typedef struct {
|
|
longlong v;
|
|
} MKFLOAT;
|
|
#else
|
|
typedef double MKFLOAT;
|
|
#endif
|
|
|
|
/* generic I/O */
|
|
struct InputStream {
|
|
/* read bytes from stream */
|
|
int (*read)(struct InputStream *cc,ulonglong pos,void *buffer,int count);
|
|
/* scan for a four byte signature, bytes must be nonzero */
|
|
longlong (*scan)(struct InputStream *cc,ulonglong start,unsigned signature);
|
|
/* get cache size, this is used to cap readahead */
|
|
unsigned (*getcachesize)(struct InputStream *cc);
|
|
/* fetch last error message */
|
|
const char *(*geterror)(struct InputStream *cc);
|
|
/* memory allocation */
|
|
void *(*memalloc)(struct InputStream *cc,size_t size);
|
|
void *(*memrealloc)(struct InputStream *cc,void *mem,size_t newsize);
|
|
void (*memfree)(struct InputStream *cc,void *mem);
|
|
/* zero return causes parser to abort open */
|
|
int (*progress)(struct InputStream *cc,ulonglong cur,ulonglong max);
|
|
/* get file size, optional, can be NULL or return -1 if filesize is unknown */
|
|
longlong (*getfilesize)(struct InputStream *cc);
|
|
};
|
|
|
|
typedef struct InputStream InputStream;
|
|
|
|
/* matroska file */
|
|
struct MatroskaFile; /* opaque */
|
|
|
|
typedef struct MatroskaFile MatroskaFile;
|
|
|
|
#define COMP_ZLIB 0
|
|
#define COMP_BZIP 1
|
|
#define COMP_LZO1X 2
|
|
#define COMP_PREPEND 3
|
|
|
|
#define TT_VIDEO 1
|
|
#define TT_AUDIO 2
|
|
#define TT_SUB 17
|
|
|
|
struct TrackInfo {
|
|
unsigned char Number;
|
|
unsigned char Type;
|
|
unsigned char TrackOverlay;
|
|
ulonglong UID;
|
|
ulonglong MinCache;
|
|
ulonglong MaxCache;
|
|
ulonglong DefaultDuration;
|
|
MKFLOAT TimecodeScale;
|
|
void *CodecPrivate;
|
|
unsigned CodecPrivateSize;
|
|
unsigned CompMethod;
|
|
void *CompMethodPrivate;
|
|
unsigned CompMethodPrivateSize;
|
|
unsigned MaxBlockAdditionID;
|
|
struct {
|
|
unsigned int Enabled:1;
|
|
unsigned int Default:1;
|
|
unsigned int Lacing:1;
|
|
unsigned int DecodeAll:1;
|
|
unsigned int CompEnabled:1;
|
|
};
|
|
|
|
union {
|
|
struct {
|
|
unsigned char StereoMode;
|
|
unsigned char DisplayUnit;
|
|
unsigned char AspectRatioType;
|
|
unsigned int PixelWidth;
|
|
unsigned int PixelHeight;
|
|
unsigned int DisplayWidth;
|
|
unsigned int DisplayHeight;
|
|
unsigned int CropL, CropT, CropR, CropB;
|
|
unsigned int ColourSpace;
|
|
MKFLOAT GammaValue;
|
|
struct {
|
|
unsigned int Interlaced:1;
|
|
};
|
|
} Video;
|
|
struct {
|
|
MKFLOAT SamplingFreq;
|
|
MKFLOAT OutputSamplingFreq;
|
|
unsigned char Channels;
|
|
unsigned char BitDepth;
|
|
} Audio;
|
|
} AV;
|
|
|
|
/* various strings */
|
|
char *Name;
|
|
char Language[4];
|
|
char *CodecID;
|
|
};
|
|
|
|
typedef struct TrackInfo TrackInfo;
|
|
|
|
struct SegmentInfo {
|
|
char UID[16];
|
|
char PrevUID[16];
|
|
char NextUID[16];
|
|
char *Filename;
|
|
char *PrevFilename;
|
|
char *NextFilename;
|
|
char *Title;
|
|
char *MuxingApp;
|
|
char *WritingApp;
|
|
ulonglong TimecodeScale;
|
|
ulonglong Duration;
|
|
ulonglong DateUTC;
|
|
};
|
|
|
|
typedef struct SegmentInfo SegmentInfo;
|
|
|
|
struct Attachment {
|
|
ulonglong Position;
|
|
ulonglong Length;
|
|
ulonglong UID;
|
|
char *Name;
|
|
char *Description;
|
|
char *MimeType;
|
|
};
|
|
|
|
typedef struct Attachment Attachment;
|
|
|
|
struct ChapterDisplay {
|
|
char *String;
|
|
char Language[4];
|
|
char Country[4];
|
|
};
|
|
|
|
struct ChapterCommand {
|
|
unsigned Time;
|
|
unsigned CommandLength;
|
|
void *Command;
|
|
};
|
|
|
|
struct ChapterProcess {
|
|
unsigned CodecID;
|
|
unsigned CodecPrivateLength;
|
|
void *CodecPrivate;
|
|
unsigned nCommands,nCommandsSize;
|
|
struct ChapterCommand *Commands;
|
|
};
|
|
|
|
struct Chapter {
|
|
ulonglong UID;
|
|
ulonglong Start;
|
|
ulonglong End;
|
|
|
|
unsigned nTracks,nTracksSize;
|
|
ulonglong *Tracks;
|
|
unsigned nDisplay,nDisplaySize;
|
|
struct ChapterDisplay *Display;
|
|
unsigned nChildren,nChildrenSize;
|
|
struct Chapter *Children;
|
|
unsigned nProcess,nProcessSize;
|
|
struct ChapterProcess *Process;
|
|
|
|
char SegmentUID[16];
|
|
|
|
struct {
|
|
unsigned int Hidden:1;
|
|
unsigned int Enabled:1;
|
|
|
|
// Editions
|
|
unsigned int Default:1;
|
|
unsigned int Ordered:1;
|
|
};
|
|
};
|
|
|
|
typedef struct Chapter Chapter;
|
|
|
|
#define TARGET_TRACK 0
|
|
#define TARGET_CHAPTER 1
|
|
#define TARGET_ATTACHMENT 2
|
|
#define TARGET_EDITION 3
|
|
struct Target {
|
|
ulonglong UID;
|
|
unsigned Type;
|
|
};
|
|
|
|
struct SimpleTag {
|
|
char *Name;
|
|
char *Value;
|
|
char Language[4];
|
|
unsigned Default:1;
|
|
};
|
|
|
|
struct Tag {
|
|
unsigned nTargets,nTargetsSize;
|
|
struct Target *Targets;
|
|
|
|
unsigned nSimpleTags,nSimpleTagsSize;
|
|
struct SimpleTag *SimpleTags;
|
|
};
|
|
|
|
typedef struct Tag Tag;
|
|
|
|
/* Open a matroska file
|
|
* io pointer is recorded inside MatroskaFile
|
|
*/
|
|
X MatroskaFile *mkv_Open(/* in */ InputStream *io,
|
|
/* out */ char *err_msg,
|
|
/* in */ unsigned msgsize);
|
|
|
|
#define MKVF_AVOID_SEEKS 1 /* use sequential reading only */
|
|
|
|
X MatroskaFile *mkv_OpenEx(/* in */ InputStream *io,
|
|
/* in */ ulonglong base,
|
|
/* in */ unsigned flags,
|
|
/* out */ char *err_msg,
|
|
/* in */ unsigned msgsize);
|
|
|
|
/* Close and deallocate mf
|
|
* NULL pointer is ok and is simply ignored
|
|
*/
|
|
X void mkv_Close(/* in */ MatroskaFile *mf);
|
|
|
|
/* Fetch the error message of the last failed operation */
|
|
X const char *mkv_GetLastError(/* in */ MatroskaFile *mf);
|
|
|
|
/* Get file information */
|
|
X SegmentInfo *mkv_GetFileInfo(/* in */ MatroskaFile *mf);
|
|
|
|
/* Get track information */
|
|
X unsigned int mkv_GetNumTracks(/* in */ MatroskaFile *mf);
|
|
X TrackInfo *mkv_GetTrackInfo(/* in */ MatroskaFile *mf,/* in */ unsigned track);
|
|
|
|
/* chapters, tags and attachments */
|
|
X void mkv_GetAttachments(/* in */ MatroskaFile *mf,
|
|
/* out */ Attachment **at,
|
|
/* out */ unsigned *count);
|
|
X void mkv_GetChapters(/* in */ MatroskaFile *mf,
|
|
/* out */ Chapter **ch,
|
|
/* out */ unsigned *count);
|
|
X void mkv_GetTags(/* in */ MatroskaFile *mf,
|
|
/* out */ Tag **tag,
|
|
/* out */ unsigned *count);
|
|
|
|
X ulonglong mkv_GetSegmentTop(MatroskaFile *mf);
|
|
|
|
/* Seek to specified timecode,
|
|
* if timecode is past end of file,
|
|
* all tracks are set to return EOF
|
|
* on next read
|
|
*/
|
|
#define MKVF_SEEK_TO_PREV_KEYFRAME 1
|
|
|
|
X void mkv_Seek(/* in */ MatroskaFile *mf,
|
|
/* in */ ulonglong timecode /* in ns */,
|
|
/* in */ unsigned flags);
|
|
|
|
X void mkv_SkipToKeyframe(MatroskaFile *mf);
|
|
|
|
X ulonglong mkv_GetLowestQTimecode(MatroskaFile *mf);
|
|
|
|
X int mkv_TruncFloat(MKFLOAT f);
|
|
|
|
/*************************************************************************
|
|
* reading data, pull model
|
|
*/
|
|
|
|
/* frame flags */
|
|
#define FRAME_UNKNOWN_START 0x00000001
|
|
#define FRAME_UNKNOWN_END 0x00000002
|
|
#define FRAME_KF 0x00000004
|
|
#define FRAME_GAP 0x00800000
|
|
#define FRAME_STREAM_MASK 0xff000000
|
|
#define FRAME_STREAM_SHIFT 24
|
|
|
|
/* This sets the masking flags for the parser,
|
|
* masked tracks [with 1s in their bit positions]
|
|
* will be ignored when reading file data.
|
|
* This call discards all parsed and queued frames
|
|
*/
|
|
X void mkv_SetTrackMask(/* in */ MatroskaFile *mf,/* in */ unsigned int mask);
|
|
|
|
/* Read one frame from the queue.
|
|
* mask specifies what tracks to ignore.
|
|
* Returns -1 if there are no more frames in the specified
|
|
* set of tracks, 0 on success
|
|
*/
|
|
X int mkv_ReadFrame(/* in */ MatroskaFile *mf,
|
|
/* in */ unsigned int mask,
|
|
/* out */ unsigned int *track,
|
|
/* out */ ulonglong *StartTime /* in ns */,
|
|
/* out */ ulonglong *EndTime /* in ns */,
|
|
/* out */ ulonglong *FilePos /* in bytes from start of file */,
|
|
/* out */ unsigned int *FrameSize /* in bytes */,
|
|
/* out */ unsigned int *FrameFlags);
|
|
|
|
#ifdef MATROSKA_COMPRESSION_SUPPORT
|
|
/* Compressed streams support */
|
|
struct CompressedStream;
|
|
|
|
typedef struct CompressedStream CompressedStream;
|
|
|
|
X CompressedStream *cs_Create(/* in */ MatroskaFile *mf,
|
|
/* in */ unsigned tracknum,
|
|
/* out */ char *errormsg,
|
|
/* in */ unsigned msgsize);
|
|
X void cs_Destroy(/* in */ CompressedStream *cs);
|
|
|
|
/* advance to the next frame in matroska stream, you need to pass values returned
|
|
* by mkv_ReadFrame */
|
|
X void cs_NextFrame(/* in */ CompressedStream *cs,
|
|
/* in */ ulonglong pos,
|
|
/* in */ unsigned size);
|
|
|
|
/* read and decode more data from current frame, return number of bytes decoded,
|
|
* 0 on end of frame, or -1 on error */
|
|
X int cs_ReadData(CompressedStream *cs,char *buffer,unsigned bufsize);
|
|
|
|
/* return error message for the last error */
|
|
X const char *cs_GetLastError(CompressedStream *cs);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#undef X
|
|
|
|
#endif
|