91d73ec8ea
1. cd aegisub/
2. svn mv *cpp *h src/
3. svn mv Makefile.am MatroskaParser.c auto4_perldata.inc bitmaps boost \
changelog.txt config gl include libosxutil libresrc md5.c msvc mythes.cxx \
mythes.hxx res.rc src/
4. cd ..
5. svn mv FFmpegSource2/ INSTALL Makefile.am README acinclude.m4 \
autogen.sh automation/ bin build configure.in desktop dummy.txt lib \
libass/ m4macros/ packages/ po/ scripts/ universalchardet/ aegisub/
6. mkdir -p docs/wiki_convert
7. svn add docs/wiki_convert
8. cd docs
9. svn mv aegisub_convert_docs.pl convert.bat output wiki_convert/
* See r2749 for full description.
Originally committed to SVN as r2752.
401 lines
11 KiB
C
401 lines
11 KiB
C
/*
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* Copyright (c) 2004-2006 Mike Matsnev. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Mike Matsnev.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: MatroskaParser.h,v 1.19 2006/03/11 10:57:13 mike Exp $
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*
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*/
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#ifndef MATROSKA_PARSER_H
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#define MATROSKA_PARSER_H
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/* Random notes:
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*
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* The parser does not process frame data in any way and does not read it into
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* the queue. The app should read it via mkv_ReadData if it is interested.
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*
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* The code here is 64-bit clean and was tested on FreeBSD/sparc 64-bit big endian
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* system
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*/
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#include <stddef.h>
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#ifdef MPDLLBUILD
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#define X __declspec(dllexport)
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#else
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#ifdef MPDLL
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#define X __declspec(dllimport)
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#pragma comment(lib,"MatroskaParser")
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#else
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#define X
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#endif
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#endif
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#define MATROSKA_COMPRESSION_SUPPORT
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#define MATROSKA_INTEGER_ONLY
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* 64-bit integers */
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#ifdef _WIN32_WCE
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typedef signed __int64 longlong;
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typedef unsigned __int64 ulonglong;
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#else
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typedef signed long long longlong;
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typedef unsigned long long ulonglong;
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#endif
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/* MKFLOATing point */
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#ifdef MATROSKA_INTEGER_ONLY
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typedef struct {
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longlong v;
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} MKFLOAT;
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#else
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typedef double MKFLOAT;
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#endif
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/* generic I/O */
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struct InputStream {
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/* read bytes from stream */
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int (*read)(struct InputStream *cc,ulonglong pos,void *buffer,int count);
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/* scan for a four byte signature, bytes must be nonzero */
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longlong (*scan)(struct InputStream *cc,ulonglong start,unsigned signature);
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/* get cache size, this is used to cap readahead */
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unsigned (*getcachesize)(struct InputStream *cc);
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/* fetch last error message */
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const char *(*geterror)(struct InputStream *cc);
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/* memory allocation */
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void *(*memalloc)(struct InputStream *cc,size_t size);
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void *(*memrealloc)(struct InputStream *cc,void *mem,size_t newsize);
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void (*memfree)(struct InputStream *cc,void *mem);
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/* zero return causes parser to abort open */
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int (*progress)(struct InputStream *cc,ulonglong cur,ulonglong max);
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/* get file size, optional, can be NULL or return -1 if filesize is unknown */
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longlong (*getfilesize)(struct InputStream *cc);
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};
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typedef struct InputStream InputStream;
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/* matroska file */
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struct MatroskaFile; /* opaque */
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typedef struct MatroskaFile MatroskaFile;
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#define COMP_ZLIB 0
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#define COMP_BZIP 1
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#define COMP_LZO1X 2
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#define COMP_PREPEND 3
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#define TT_VIDEO 1
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#define TT_AUDIO 2
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#define TT_SUB 17
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struct TrackInfo {
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unsigned char Number;
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unsigned char Type;
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unsigned char TrackOverlay;
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ulonglong UID;
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ulonglong MinCache;
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ulonglong MaxCache;
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ulonglong DefaultDuration;
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MKFLOAT TimecodeScale;
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void *CodecPrivate;
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unsigned CodecPrivateSize;
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unsigned CompMethod;
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void *CompMethodPrivate;
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unsigned CompMethodPrivateSize;
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unsigned MaxBlockAdditionID;
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struct {
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unsigned int Enabled:1;
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unsigned int Default:1;
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unsigned int Lacing:1;
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unsigned int DecodeAll:1;
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unsigned int CompEnabled:1;
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};
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union {
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struct {
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unsigned char StereoMode;
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unsigned char DisplayUnit;
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unsigned char AspectRatioType;
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unsigned int PixelWidth;
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unsigned int PixelHeight;
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unsigned int DisplayWidth;
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unsigned int DisplayHeight;
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unsigned int CropL, CropT, CropR, CropB;
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unsigned int ColourSpace;
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MKFLOAT GammaValue;
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struct {
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unsigned int Interlaced:1;
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};
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} Video;
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struct {
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MKFLOAT SamplingFreq;
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MKFLOAT OutputSamplingFreq;
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unsigned char Channels;
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unsigned char BitDepth;
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} Audio;
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} AV;
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/* various strings */
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char *Name;
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char Language[4];
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char *CodecID;
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};
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typedef struct TrackInfo TrackInfo;
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struct SegmentInfo {
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char UID[16];
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char PrevUID[16];
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char NextUID[16];
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char *Filename;
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char *PrevFilename;
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char *NextFilename;
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char *Title;
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char *MuxingApp;
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char *WritingApp;
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ulonglong TimecodeScale;
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ulonglong Duration;
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longlong DateUTC;
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char DateUTCValid;
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};
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typedef struct SegmentInfo SegmentInfo;
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struct Attachment {
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ulonglong Position;
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ulonglong Length;
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ulonglong UID;
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char *Name;
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char *Description;
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char *MimeType;
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};
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typedef struct Attachment Attachment;
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struct ChapterDisplay {
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char *String;
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char Language[4];
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char Country[4];
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};
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struct ChapterCommand {
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unsigned Time;
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unsigned CommandLength;
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void *Command;
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};
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struct ChapterProcess {
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unsigned CodecID;
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unsigned CodecPrivateLength;
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void *CodecPrivate;
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unsigned nCommands,nCommandsSize;
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struct ChapterCommand *Commands;
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};
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struct Chapter {
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ulonglong UID;
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ulonglong Start;
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ulonglong End;
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unsigned nTracks,nTracksSize;
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ulonglong *Tracks;
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unsigned nDisplay,nDisplaySize;
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struct ChapterDisplay *Display;
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unsigned nChildren,nChildrenSize;
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struct Chapter *Children;
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unsigned nProcess,nProcessSize;
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struct ChapterProcess *Process;
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char SegmentUID[16];
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struct {
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unsigned int Hidden:1;
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unsigned int Enabled:1;
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// Editions
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unsigned int Default:1;
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unsigned int Ordered:1;
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};
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};
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typedef struct Chapter Chapter;
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#define TARGET_TRACK 0
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#define TARGET_CHAPTER 1
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#define TARGET_ATTACHMENT 2
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#define TARGET_EDITION 3
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struct Target {
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ulonglong UID;
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unsigned Type;
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};
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struct SimpleTag {
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char *Name;
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char *Value;
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char Language[4];
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unsigned Default:1;
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};
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struct Tag {
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unsigned nTargets,nTargetsSize;
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struct Target *Targets;
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unsigned nSimpleTags,nSimpleTagsSize;
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struct SimpleTag *SimpleTags;
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};
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typedef struct Tag Tag;
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/* Open a matroska file
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* io pointer is recorded inside MatroskaFile
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*/
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X MatroskaFile *mkv_Open(/* in */ InputStream *io,
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/* out */ char *err_msg,
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/* in */ unsigned msgsize);
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#define MKVF_AVOID_SEEKS 1 /* use sequential reading only */
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X MatroskaFile *mkv_OpenEx(/* in */ InputStream *io,
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/* in */ ulonglong base,
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/* in */ unsigned flags,
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/* out */ char *err_msg,
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/* in */ unsigned msgsize);
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/* Close and deallocate mf
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* NULL pointer is ok and is simply ignored
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*/
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X void mkv_Close(/* in */ MatroskaFile *mf);
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/* Fetch the error message of the last failed operation */
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X const char *mkv_GetLastError(/* in */ MatroskaFile *mf);
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/* Get file information */
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X SegmentInfo *mkv_GetFileInfo(/* in */ MatroskaFile *mf);
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/* Get track information */
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X unsigned int mkv_GetNumTracks(/* in */ MatroskaFile *mf);
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X TrackInfo *mkv_GetTrackInfo(/* in */ MatroskaFile *mf,/* in */ unsigned track);
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/* chapters, tags and attachments */
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X void mkv_GetAttachments(/* in */ MatroskaFile *mf,
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/* out */ Attachment **at,
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/* out */ unsigned *count);
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X void mkv_GetChapters(/* in */ MatroskaFile *mf,
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/* out */ Chapter **ch,
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/* out */ unsigned *count);
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X void mkv_GetTags(/* in */ MatroskaFile *mf,
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/* out */ Tag **tag,
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/* out */ unsigned *count);
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X ulonglong mkv_GetSegmentTop(MatroskaFile *mf);
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/* Seek to specified timecode,
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* if timecode is past end of file,
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* all tracks are set to return EOF
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* on next read
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*/
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#define MKVF_SEEK_TO_PREV_KEYFRAME 1
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X void mkv_Seek(/* in */ MatroskaFile *mf,
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/* in */ ulonglong timecode /* in ns */,
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/* in */ unsigned flags);
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X void mkv_SkipToKeyframe(MatroskaFile *mf);
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X ulonglong mkv_GetLowestQTimecode(MatroskaFile *mf);
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X int mkv_TruncFloat(MKFLOAT f);
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/*************************************************************************
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* reading data, pull model
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*/
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/* frame flags */
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#define FRAME_UNKNOWN_START 0x00000001
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#define FRAME_UNKNOWN_END 0x00000002
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#define FRAME_KF 0x00000004
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#define FRAME_GAP 0x00800000
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#define FRAME_STREAM_MASK 0xff000000
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#define FRAME_STREAM_SHIFT 24
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/* This sets the masking flags for the parser,
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* masked tracks [with 1s in their bit positions]
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* will be ignored when reading file data.
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* This call discards all parsed and queued frames
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*/
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X void mkv_SetTrackMask(/* in */ MatroskaFile *mf,/* in */ unsigned int mask);
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/* Read one frame from the queue.
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* mask specifies what tracks to ignore.
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* Returns -1 if there are no more frames in the specified
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* set of tracks, 0 on success
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*/
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X int mkv_ReadFrame(/* in */ MatroskaFile *mf,
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/* in */ unsigned int mask,
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/* out */ unsigned int *track,
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/* out */ ulonglong *StartTime /* in ns */,
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/* out */ ulonglong *EndTime /* in ns */,
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/* out */ ulonglong *FilePos /* in bytes from start of file */,
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/* out */ unsigned int *FrameSize /* in bytes */,
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/* out */ unsigned int *FrameFlags);
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#ifdef MATROSKA_COMPRESSION_SUPPORT
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/* Compressed streams support */
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struct CompressedStream;
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typedef struct CompressedStream CompressedStream;
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X CompressedStream *cs_Create(/* in */ MatroskaFile *mf,
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/* in */ unsigned tracknum,
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/* out */ char *errormsg,
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/* in */ unsigned msgsize);
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X void cs_Destroy(/* in */ CompressedStream *cs);
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/* advance to the next frame in matroska stream, you need to pass values returned
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* by mkv_ReadFrame */
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X void cs_NextFrame(/* in */ CompressedStream *cs,
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/* in */ ulonglong pos,
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/* in */ unsigned size);
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/* read and decode more data from current frame, return number of bytes decoded,
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* 0 on end of frame, or -1 on error */
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X int cs_ReadData(CompressedStream *cs,char *buffer,unsigned bufsize);
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/* return error message for the last error */
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X const char *cs_GetLastError(CompressedStream *cs);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#undef X
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#endif
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