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145 lines
5.2 KiB
145 lines
5.2 KiB
/*****************************************************************************
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* codecs.h: codec related structures needed by the demuxers and decoders
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*****************************************************************************
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* Copyright (C) 1999-2001 VideoLAN
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* $Id: codecs.h,v 1.5 2003/08/18 00:17:44 fenrir Exp $
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*
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* Authors: Gildas Bazin <gbazin@netcourrier.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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#ifndef _VLC_CODECS_H
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#define _VLC_CODECS_H 1
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/* Structures exported to the demuxers and decoders */
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#ifndef _WAVEFORMATEX_
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#define _WAVEFORMATEX_
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typedef struct
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#ifdef HAVE_ATTRIBUTE_PACKED
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__attribute__((__packed__))
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#endif
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_WAVEFORMATEX {
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uint16_t wFormatTag;
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uint16_t nChannels;
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uint32_t nSamplesPerSec;
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uint32_t nAvgBytesPerSec;
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uint16_t nBlockAlign;
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uint16_t wBitsPerSample;
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uint16_t cbSize;
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} WAVEFORMATEX, *PWAVEFORMATEX, *NPWAVEFORMATEX, *LPWAVEFORMATEX;
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#endif /* _WAVEFORMATEX_ */
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#if !defined(_BITMAPINFOHEADER_) && !defined(WIN32)
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#define _BITMAPINFOHEADER_
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typedef struct
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#ifdef HAVE_ATTRIBUTE_PACKED
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__attribute__((__packed__))
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#endif
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{
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uint32_t biSize;
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uint32_t biWidth;
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uint32_t biHeight;
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uint16_t biPlanes;
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uint16_t biBitCount;
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uint32_t biCompression;
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uint32_t biSizeImage;
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uint32_t biXPelsPerMeter;
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uint32_t biYPelsPerMeter;
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uint32_t biClrUsed;
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uint32_t biClrImportant;
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} BITMAPINFOHEADER, *PBITMAPINFOHEADER, *LPBITMAPINFOHEADER;
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typedef struct {
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BITMAPINFOHEADER bmiHeader;
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int bmiColors[1];
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} BITMAPINFO, *LPBITMAPINFO;
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#endif
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/* WAVE form wFormatTag IDs */
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#define WAVE_FORMAT_UNKNOWN 0x0000 /* Microsoft Corporation */
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#define WAVE_FORMAT_PCM 0x0001 /* Microsoft Corporation */
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#define WAVE_FORMAT_ADPCM 0x0002 /* Microsoft Corporation */
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#define WAVE_FORMAT_IEEE_FLOAT 0x0003 /* Microsoft Corporation */
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#define WAVE_FORMAT_ALAW 0x0006 /* Microsoft Corporation */
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#define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
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#define WAVE_FORMAT_DTS 0x0008 /* Microsoft Corporation */
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#define WAVE_FORMAT_IMA_ADPCM 0x0011
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#define WAVE_FORMAT_MPEG 0x0050 /* Microsoft Corporation */
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#define WAVE_FORMAT_MPEGLAYER3 0x0055 /* ISO/MPEG Layer3 Format Tag */
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#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 /* Sonic Foundry */
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#define WAVE_FORMAT_A52 0x2000
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#define WAVE_FORMAT_WMA1 0x0160
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#define WAVE_FORMAT_WMA2 0x0161
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#define WAVE_FORMAT_WMA3 0x0162
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/* Need to check these */
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#define WAVE_FORMAT_DK3 0x0061
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#define WAVE_FORMAT_DK4 0x0061
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#if !defined(WAVE_FORMAT_EXTENSIBLE)
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#define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
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#endif
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static struct
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{
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uint16_t i_tag;
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vlc_fourcc_t i_fourcc;
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char *psz_name;
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}
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wave_format_tag_to_fourcc[] =
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{
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{ WAVE_FORMAT_PCM, VLC_FOURCC( 'a', 'r', 'a', 'w' ), "Raw audio" },
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{ WAVE_FORMAT_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x02), "Adpcm" },
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{ WAVE_FORMAT_ALAW, VLC_FOURCC( 'a', 'l', 'a', 'w' ), "A-Law" },
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{ WAVE_FORMAT_MULAW, VLC_FOURCC( 'm', 'l', 'a', 'w' ), "Mu-Law" },
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{ WAVE_FORMAT_IMA_ADPCM,VLC_FOURCC( 'm', 's', 0x00,0x11), "Ima-Adpcm" },
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{ WAVE_FORMAT_MPEGLAYER3,VLC_FOURCC('m', 'p', 'g', 'a' ), "Mpeg Audio" },
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{ WAVE_FORMAT_MPEG, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
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{ WAVE_FORMAT_A52, VLC_FOURCC( 'a', '5', '2', ' ' ), "A/52" },
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{ WAVE_FORMAT_WMA1, VLC_FOURCC( 'w', 'm', 'a', '1' ), "Window Media Audio 1" },
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{ WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', '2' ), "Window Media Audio 2" },
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{ WAVE_FORMAT_WMA3, VLC_FOURCC( 'w', 'm', 'a', '3' ), "Window Media Audio 3" },
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{ WAVE_FORMAT_DK3, VLC_FOURCC( 'm', 's', 0x00,0x61), "Duck DK3" },
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{ WAVE_FORMAT_DK4, VLC_FOURCC( 'm', 's', 0x00,0x62), "Duck DK4" },
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{ WAVE_FORMAT_UNKNOWN, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
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};
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static inline void wf_tag_to_fourcc( uint16_t i_tag,
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vlc_fourcc_t *fcc, char **ppsz_name )
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{
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int i;
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for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
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{
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if( wave_format_tag_to_fourcc[i].i_tag == i_tag )
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{
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break;
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}
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}
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if( fcc )
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{
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*fcc = wave_format_tag_to_fourcc[i].i_fourcc;
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}
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if( ppsz_name )
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{
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*ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
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}
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}
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#endif /* "codecs.h" */
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