rmavitypes.h

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/*****************************************************************
*** Copyright (c) 2001 Sigma Designs Inc. All rights reserved. ***
*****************************************************************/

/**
  @file   rmavitypes.h
  @brief  

  <long description>

  @author Laurent Crinon
  @date   2002-03-25
*/

#ifndef __RMAVITYPES_H__
#define __RMAVITYPES_H__

#include "../../rmdef/rmdef.h"

// macro
#ifndef mmioFOURCC
#define mmioFOURCC(ch0, ch1, ch2, ch3) ( (RMint32)(RMint8)ch0 | ((RMint32)(RMint8) ch1 << 8) | ((RMint32)(RMint8)ch2 << 16) | ((RMint32)(RMint8)ch3 << 24))
#endif
#ifndef aviTWOCC
#define aviTWOCC(ch0, ch1) ((RMint32)(RMint8)(ch0) | ((RMint32)(RMint8)(ch1) << 8))
#endif

#ifdef RMAVI_ALTERNATEDEMUX
 #define SIZE_INDEX_TABLE 4096
#else
 #define SIZE_INDEX_TABLE 4096
#endif
#define FILESTREAM_CACHE_SIZE 4096

//Nb of audio stream supported
#define RMAVI_MAX_AUDIO_STREAMS 2

// avi stream header flags
#define HASINDEX 0x00000010
#define MUSTUSEINDEX 0x00000020
#define ISINTERLEAVED 0x00000100
#define TRUSTCKTYPE 0x00000800
#define WASCAPTUREFILE 0x00010000
#define COPYRIGHTED 0x00020000

// index flags
#define AVIIF_KEYFRAME 0x10

//types 
#define formTypeAVI mmioFOURCC('A', 'V', 'I', ' ')
#define listTypeAVIHeader mmioFOURCC('h', 'd', 'r', 'l')
#define ckidAVIMainHeader mmioFOURCC('a', 'v', 'i', 'h')
#define listTypeStreamHeader mmioFOURCC('s', 't', 'r', 'l')
#define ckidStreamHeader mmioFOURCC('s', 't', 'r', 'h')
#define ckidStreamFormat mmioFOURCC('s', 't', 'r', 'f')
#define ckidStreamHandlerData mmioFOURCC('s', 't', 'r', 'd')
#define ckidStreamName mmioFOURCC('s', 't', 'r', 'n')

#define listTypeAVIMovie mmioFOURCC('m', 'o', 'v', 'i')
#define listTypeAviRecord mmioFOURCC('r', 'e', 'c', ' ')

#define listTypeINFO mmioFOURCC('I', 'N', 'F', 'O')

#define ckidAVINewIndex mmioFOURCC('i', 'd', 'x', '1')

#define formTypeList mmioFOURCC('L', 'I', 'S', 'T')
#define formTypeRiff mmioFOURCC('R', 'I', 'F', 'F')

#define ckidAVIPadding mmioFOURCC('J', 'U', 'N', 'K')

// Basic chunk types 
#define ckTypeDIBBits           aviTWOCC('d', 'b')
#define ckTypeDIBCompressed     aviTWOCC('d', 'c')
#define ckTypePALChange         aviTWOCC('p', 'c')
#define ckTypeWAVEBytes         aviTWOCC('w', 'b')

#define streamTypeVideo mmioFOURCC('v', 'i', 'd', 's')
#define streamTypeAudio mmioFOURCC('a', 'u', 'd', 's')
#define streamTypeMidi mmioFOURCC('m', 'i', 'd', 's')
#define streamTypeText mmioFOURCC('t', 'x', 't', 's')

typedef struct tagStreamHeader 
{
	RMuint32 fccType;
	RMuint32 fccHandler;
	RMuint32 flags;
	RMuint16 priority;
	RMuint16 language;
	RMuint32 initialFrames;
	RMuint32 scale;
	RMuint32 rate;
	RMuint32 start;
	RMuint32 length;
	RMuint32 suggestedBufferSize;
	RMuint32 quality;
	RMuint32 sampleSize;
	RMuint16 frameTop;
	RMuint16 frameLeft;
	RMuint16 frameBottom;
	RMuint16 frameRight;	
} RMAviStreamHeader;

typedef struct tagAudioFormat
{
	RMuint16 formatTag;
	RMuint16 nChannels;
	RMuint32 nSamplesPerSec;
	RMuint32 nAvgBytesPerSec;
	RMuint16 nBlockAlign;
	RMuint16 wBitsPerSample;
	RMuint16 cbSize;
} RMAviAudioFormat;

typedef struct tagVideoFormat
{
	RMuint32 size;
	RMuint32 width;
	RMuint32 height;
	RMuint16 planes;
	RMuint16 bitCount;
	RMuint32 compression;
	RMuint32 sizeImage;
	RMuint32 XPelsPerMeter;
	RMuint32 YPelsPerMeter;
	RMuint32 ClrUsed;
	RMuint32 ClrImportant;
	RMuint32 Colors[1];
} RMAviVideoFormat;

typedef enum
{
	RMAVI_VIDEO_STREAM =0,
	RMAVI_VIDEO_DIVX3_STREAM,
	RMAVI_AUDIO_STREAM,
	RMAVI_UNKNOWN_STREAM
}typeStream;

typedef struct tagAviHeader
{
	RMuint32 microSecPerFrame;
	RMuint32 maxBytesPerSec;
	RMuint32 paddingGranularity;
	RMuint32 flags;
	RMuint32 totalFrames;
	RMuint32 initialFrames;
	RMuint32 streams;
	RMuint32 suggestedBufferSize;
	RMuint32 width;
	RMuint32 height;
	RMuint32 reserved[4];
}RMAviHeader;

typedef struct tagAVIINDEX
{
	RMuint16 id_stream;
	RMuint32 flags;
	RMuint32 offset;
	RMuint32 size;
	RMreal timeStamp;
}RMAVIIndex;

typedef struct tagRMAviIndexEntry
{
	RMuint32 offset;
	RMuint32 offsetInIndexTable;
	RMuint64 timeStamp;
	RMuint32 numFrame;
} RMAviIndexEntry;


#endif //__RMAVITYPES_H__