mkvtoolnix/aviclasses/common_mmreg.h

121 lines
4.0 KiB
C

// Some common tools
// Copyright (C) 2003 Julien 'Cyrius' Coloos
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
// or visit http://www.gnu.org/licenses/gpl.html
#ifndef __TOOLS_COMMON_MMREG_H__
#define __TOOLS_COMMON_MMREG_H__
#include "ac_common.h"
#include "common_endian.h"
//////////////////////////////////////////////////////////////////////
// Some data 'copied' from mmreg.h (Microsoft files)
#pragma pack(push,1)
typedef struct w32waveformat_tag {
uint16_le wFormatTag; /* format type */
uint16_le nChannels; /* number of channels (i.e. mono, stereo...) */
uint32_le nSamplesPerSec; /* sample rate */
uint32_le nAvgBytesPerSec; /* for buffer estimation */
uint16_le nBlockAlign; /* block size of data */
} w32WAVEFORMAT;
#define WAVE_FORMAT_PCM 1
typedef struct w32pcmwaveformat_tag {
w32WAVEFORMAT wf;
uint16_le wBitsPerSample;
} w32PCMWAVEFORMAT;
#undef WAVE_FORMAT_MPEG
#undef WAVE_FORMAT_MPEGLAYER3
#ifndef WAVE_FORMAT_MPEG
# define WAVE_FORMAT_MPEG 0x0050 // Microsoft Corporation
#endif
#ifndef WAVE_FORMAT_MPEGLAYER3
# define WAVE_FORMAT_MPEGLAYER3 0x0055 // ISO/MPEG Layer3 Format Tag
#endif
#define WAVE_FORMAT_AC3 0x2000 // ATSC/A-52 (Dolby AC3)
typedef struct tw32WAVEFORMATEX {
uint16_le wFormatTag; // format type
uint16_le nChannels; // number of channels (i.e. mono, stereo...)
uint32_le nSamplesPerSec; // sample rate
uint32_le nAvgBytesPerSec; // for buffer estimation
uint16_le nBlockAlign; // block size of data
uint16_le wBitsPerSample; // Number of bits per sample of mono data
uint16_le cbSize; // The count in bytes of the size of extra information (after cbSize)
} w32WAVEFORMATEX;
// Microsoft MPEG audio WAV definition
//
// MPEG-1 audio wave format (audio layer only). (0x0050)
typedef struct w32mpeg1waveformat_tag {
w32WAVEFORMATEX wfx;
uint16_le fwHeadLayer;
uint32_le dwHeadBitrate;
uint16_le fwHeadMode;
uint16_le fwHeadModeExt;
uint16_le wHeadEmphasis;
uint16_le fwHeadFlags;
uint32_le dwPTSLow;
uint32_le dwPTSHigh;
} w32MPEG1WAVEFORMAT;
#define ACM_MPEG_LAYER1 (0x0001)
#define ACM_MPEG_LAYER2 (0x0002)
#define ACM_MPEG_LAYER3 (0x0004)
#define ACM_MPEG_STEREO (0x0001)
#define ACM_MPEG_JOINTSTEREO (0x0002)
#define ACM_MPEG_DUALCHANNEL (0x0004)
#define ACM_MPEG_SINGLECHANNEL (0x0008)
#define ACM_MPEG_PRIVATEBIT (0x0001)
#define ACM_MPEG_COPYRIGHT (0x0002)
#define ACM_MPEG_ORIGINALHOME (0x0004)
#define ACM_MPEG_PROTECTIONBIT (0x0008)
#define ACM_MPEG_ID_MPEG1 (0x0010)
// MPEG Layer3 WAVEFORMATEX structure
// for WAVE_FORMAT_MPEGLAYER3 (0x0055)
//
#define MPEGLAYER3_WFX_EXTRA_BYTES 12
// WAVE_FORMAT_MPEGLAYER3 format sructure
//
typedef struct w32mpeglayer3waveformat_tag {
w32WAVEFORMATEX wfx;
uint16_le wID;
uint32_le fdwFlags;
uint16_le nBlockSize;
uint16_le nFramesPerBlock;
uint16_le nCodecDelay;
} w32MPEGLAYER3WAVEFORMAT;
#define MPEGLAYER3_ID_UNKNOWN 0
#define MPEGLAYER3_ID_MPEG 1
#define MPEGLAYER3_ID_CONSTANTFRAMESIZE 2
#define MPEGLAYER3_FLAG_PADDING_ISO 0x00000000
#define MPEGLAYER3_FLAG_PADDING_ON 0x00000001
#define MPEGLAYER3_FLAG_PADDING_OFF 0x00000002
#pragma pack(pop)
#endif // __TOOLS_COMMON_MMREG_H__