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vlc/include/codecs.h

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/*****************************************************************************
* codecs.h: codec related structures needed by the demuxers and decoders
*****************************************************************************
* Copyright (C) 1999-2001 the VideoLAN team
* $Id$
*
* Author: Gildas Bazin <gbazin@videolan.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _VLC_CODECS_H
#define _VLC_CODECS_H 1
/* Structures exported to the demuxers and decoders */
#if !(defined _GUID_DEFINED || defined GUID_DEFINED)
#define GUID_DEFINED
typedef struct _GUID
{
uint32_t Data1;
uint16_t Data2;
uint16_t Data3;
uint8_t Data4[8];
} GUID, *REFGUID, *LPGUID;
#endif /* GUID_DEFINED */
#ifndef _WAVEFORMATEX_
#define _WAVEFORMATEX_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
_WAVEFORMATEX {
uint16_t wFormatTag;
uint16_t nChannels;
uint32_t nSamplesPerSec;
uint32_t nAvgBytesPerSec;
uint16_t nBlockAlign;
uint16_t wBitsPerSample;
uint16_t cbSize;
} WAVEFORMATEX, *PWAVEFORMATEX, *NPWAVEFORMATEX, *LPWAVEFORMATEX;
#endif /* _WAVEFORMATEX_ */
#ifndef _WAVEFORMATEXTENSIBLE_
#define _WAVEFORMATEXTENSIBLE_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
_WAVEFORMATEXTENSIBLE {
WAVEFORMATEX Format;
union {
uint16_t wValidBitsPerSample;
uint16_t wSamplesPerBlock;
uint16_t wReserved;
} Samples;
uint32_t dwChannelMask;
GUID SubFormat;
} WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
#endif /* _WAVEFORMATEXTENSIBLE_ */
#ifndef _WAVEHEADER_
#define _WAVEHEADER_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
_WAVEHEADER {
uint32_t MainChunkID;
uint32_t Length;
uint32_t ChunkTypeID;
uint32_t SubChunkID;
uint32_t SubChunkLength;
uint16_t Format;
uint16_t Modus;
uint32_t SampleFreq;
uint32_t BytesPerSec;
uint16_t BytesPerSample;
uint16_t BitsPerSample;
uint32_t DataChunkID;
uint32_t DataLength;
} WAVEHEADER;
#endif /* _WAVEHEADER_ */
#if !defined(_BITMAPINFOHEADER_) && !defined(WIN32)
#define _BITMAPINFOHEADER_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
uint32_t biSize;
uint32_t biWidth;
uint32_t biHeight;
uint16_t biPlanes;
uint16_t biBitCount;
uint32_t biCompression;
uint32_t biSizeImage;
uint32_t biXPelsPerMeter;
uint32_t biYPelsPerMeter;
uint32_t biClrUsed;
uint32_t biClrImportant;
} BITMAPINFOHEADER, *PBITMAPINFOHEADER, *LPBITMAPINFOHEADER;
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
BITMAPINFOHEADER bmiHeader;
int bmiColors[1];
} BITMAPINFO, *LPBITMAPINFO;
#endif
#ifndef _RECT32_
#define _RECT32_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
int left, top, right, bottom;
} RECT32;
#endif
#ifndef _REFERENCE_TIME_
#define _REFERENCE_TIME_
typedef int64_t REFERENCE_TIME;
#endif
#ifndef _VIDEOINFOHEADER_
#define _VIDEOINFOHEADER_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
RECT32 rcSource;
RECT32 rcTarget;
uint32_t dwBitRate;
uint32_t dwBitErrorRate;
REFERENCE_TIME AvgTimePerFrame;
BITMAPINFOHEADER bmiHeader;
} VIDEOINFOHEADER;
#endif
#ifndef _RGBQUAD_
#define _RGBQUAD_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
uint8_t rgbBlue;
uint8_t rgbGreen;
uint8_t rgbRed;
uint8_t rgbReserved;
} RGBQUAD1;
#endif
#ifndef _TRUECOLORINFO_
#define _TRUECOLORINFO_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
uint32_t dwBitMasks[3];
RGBQUAD1 bmiColors[256];
} TRUECOLORINFO;
#endif
#ifndef _VIDEOINFO_
#define _VIDEOINFO_
typedef struct
#ifdef HAVE_ATTRIBUTE_PACKED
__attribute__((__packed__))
#endif
{
RECT32 rcSource;
RECT32 rcTarget;
uint32_t dwBitRate;
uint32_t dwBitErrorRate;
REFERENCE_TIME AvgTimePerFrame;
BITMAPINFOHEADER bmiHeader;
union
{
RGBQUAD1 bmiColors[256]; /* Colour palette */
uint32_t dwBitMasks[3]; /* True colour masks */
TRUECOLORINFO TrueColorInfo; /* Both of the above */
};
} VIDEOINFO;
#endif
/* WAVE format wFormatTag IDs */
#define WAVE_FORMAT_UNKNOWN 0x0000 /* Microsoft Corporation */
#define WAVE_FORMAT_PCM 0x0001 /* Microsoft Corporation */
#define WAVE_FORMAT_ADPCM 0x0002 /* Microsoft Corporation */
#define WAVE_FORMAT_IEEE_FLOAT 0x0003 /* Microsoft Corporation */
#define WAVE_FORMAT_ALAW 0x0006 /* Microsoft Corporation */
#define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
#define WAVE_FORMAT_DTS_MS 0x0008 /* Microsoft Corporation */
#define WAVE_FORMAT_WMAS 0x000a /* WMA 9 Speech */
#define WAVE_FORMAT_IMA_ADPCM 0x0011 /* Intel Corporation */
#define WAVE_FORMAT_GSM610 0x0031 /* Microsoft Corporation */
#define WAVE_FORMAT_MSNAUDIO 0x0032 /* Microsoft Corporation */
#define WAVE_FORMAT_G726 0x0045 /* ITU-T standard */
#define WAVE_FORMAT_MPEG 0x0050 /* Microsoft Corporation */
#define WAVE_FORMAT_MPEGLAYER3 0x0055 /* ISO/MPEG Layer3 Format Tag */
#define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092 /* Sonic Foundry */
#define WAVE_FORMAT_A52 0x2000
#define WAVE_FORMAT_DTS 0x2001
#define WAVE_FORMAT_WMA1 0x0160 /* WMA version 1 */
#define WAVE_FORMAT_WMA2 0x0161 /* WMA (v2) 7, 8, 9 Series */
#define WAVE_FORMAT_WMAP 0x0162 /* WMA 9 Professional */
#define WAVE_FORMAT_WMAL 0x0163 /* WMA 9 Lossless */
#define WAVE_FORMAT_DIVIO_AAC 0x4143
#define WAVE_FORMAT_AAC 0x00FF
/* Need to check these */
#define WAVE_FORMAT_DK3 0x0061
#define WAVE_FORMAT_DK4 0x0062
#define WAVE_FORMAT_VORB_1 0x674f
#define WAVE_FORMAT_VORB_1PLUS 0x676f
#define WAVE_FORMAT_VORB_2 0x6750
#define WAVE_FORMAT_VORB_2PLUS 0x6770
#define WAVE_FORMAT_VORB_3 0x6751
#define WAVE_FORMAT_VORB_3PLUS 0x6771
#if !defined(WAVE_FORMAT_EXTENSIBLE)
#define WAVE_FORMAT_EXTENSIBLE 0xFFFE /* Microsoft */
#endif
/* GUID SubFormat IDs */
/* We need both b/c const variables are not compile-time constants in C, giving
* us an error if we use the const GUID in an enum */
#ifndef _KSDATAFORMAT_SUBTYPE_PCM_
#define _KSDATAFORMAT_SUBTYPE_PCM_ {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}}
static const GUID VLC_KSDATAFORMAT_SUBTYPE_PCM = {0xE923AABF, 0xCB58, 0x4471, {0xA1, 0x19, 0xFF, 0xFA, 0x01, 0xE4, 0xCE, 0x62}};
#define KSDATAFORMAT_SUBTYPE_PCM VLC_KSDATAFORMAT_SUBTYPE_PCM
#endif
#ifndef _KSDATAFORMAT_SUBTYPE_UNKNOWN_
#define _KSDATAFORMAT_SUBTYPE_UNKNOWN_ {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}
static const GUID VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN = {0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
#define KSDATAFORMAT_SUBTYPE_UNKNOWN VLC_KSDATAFORMAT_SUBTYPE_UNKNOWN
#endif
/* Microsoft speaker definitions */
#define WAVE_SPEAKER_FRONT_LEFT 0x1
#define WAVE_SPEAKER_FRONT_RIGHT 0x2
#define WAVE_SPEAKER_FRONT_CENTER 0x4
#define WAVE_SPEAKER_LOW_FREQUENCY 0x8
#define WAVE_SPEAKER_BACK_LEFT 0x10
#define WAVE_SPEAKER_BACK_RIGHT 0x20
#define WAVE_SPEAKER_FRONT_LEFT_OF_CENTER 0x40
#define WAVE_SPEAKER_FRONT_RIGHT_OF_CENTER 0x80
#define WAVE_SPEAKER_BACK_CENTER 0x100
#define WAVE_SPEAKER_SIDE_LEFT 0x200
#define WAVE_SPEAKER_SIDE_RIGHT 0x400
#define WAVE_SPEAKER_TOP_CENTER 0x800
#define WAVE_SPEAKER_TOP_FRONT_LEFT 0x1000
#define WAVE_SPEAKER_TOP_FRONT_CENTER 0x2000
#define WAVE_SPEAKER_TOP_FRONT_RIGHT 0x4000
#define WAVE_SPEAKER_TOP_BACK_LEFT 0x8000
#define WAVE_SPEAKER_TOP_BACK_CENTER 0x10000
#define WAVE_SPEAKER_TOP_BACK_RIGHT 0x20000
#define WAVE_SPEAKER_RESERVED 0x80000000
static struct
{
uint16_t i_tag;
vlc_fourcc_t i_fourcc;
char *psz_name;
}
wave_format_tag_to_fourcc[] =
{
{ WAVE_FORMAT_PCM, VLC_FOURCC( 'a', 'r', 'a', 'w' ), "Raw audio" },
{ WAVE_FORMAT_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x02), "ADPCM" },
{ WAVE_FORMAT_IEEE_FLOAT, VLC_FOURCC( 'a', 'f', 'l', 't' ), "IEEE Float audio" },
{ WAVE_FORMAT_ALAW, VLC_FOURCC( 'a', 'l', 'a', 'w' ), "A-Law" },
{ WAVE_FORMAT_MULAW, VLC_FOURCC( 'm', 'l', 'a', 'w' ), "Mu-Law" },
{ WAVE_FORMAT_IMA_ADPCM, VLC_FOURCC( 'm', 's', 0x00,0x11), "Ima-ADPCM" },
{ WAVE_FORMAT_G726, VLC_FOURCC( 'g', '7', '2', '6' ), "G.726 ADPCM" },
{ WAVE_FORMAT_MPEGLAYER3, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
{ WAVE_FORMAT_MPEG, VLC_FOURCC( 'm', 'p', 'g', 'a' ), "Mpeg Audio" },
{ WAVE_FORMAT_A52, VLC_FOURCC( 'a', '5', '2', ' ' ), "A/52" },
{ WAVE_FORMAT_WMA1, VLC_FOURCC( 'w', 'm', 'a', '1' ), "Window Media Audio v1" },
{ WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', '2' ), "Window Media Audio v2" },
{ WAVE_FORMAT_WMA2, VLC_FOURCC( 'w', 'm', 'a', ' ' ), "Window Media Audio v2" },
{ WAVE_FORMAT_WMAP, VLC_FOURCC( 'w', 'm', 'a', 'p' ), "Window Media Audio 9 Professional" },
{ WAVE_FORMAT_WMAL, VLC_FOURCC( 'w', 'm', 'a', 'l' ), "Window Media Audio 9 Lossless" },
{ WAVE_FORMAT_WMAS, VLC_FOURCC( 'w', 'm', 'a', 's' ), "Window Media Audio 9 Speech" },
{ WAVE_FORMAT_DK3, VLC_FOURCC( 'm', 's', 0x00,0x61), "Duck DK3" },
{ WAVE_FORMAT_DK4, VLC_FOURCC( 'm', 's', 0x00,0x62), "Duck DK4" },
{ WAVE_FORMAT_DTS, VLC_FOURCC( 'd', 't', 's', ' ' ), "DTS Coherent Acoustics" },
{ WAVE_FORMAT_DTS_MS, VLC_FOURCC( 'd', 't', 's', ' ' ), "DTS Coherent Acoustics" },
{ WAVE_FORMAT_DIVIO_AAC, VLC_FOURCC( 'm', 'p', '4', 'a' ), "MPEG-4 Audio (Divio)" },
{ WAVE_FORMAT_AAC, VLC_FOURCC( 'm', 'p', '4', 'a' ), "MPEG-4 Audio" },
{ WAVE_FORMAT_VORB_1, VLC_FOURCC( 'v', 'o', 'r', '1' ), "Vorbis 1 Audio" },
{ WAVE_FORMAT_VORB_1PLUS, VLC_FOURCC( 'v', 'o', '1', '+' ), "Vorbis 1+ Audio" },
{ WAVE_FORMAT_VORB_2, VLC_FOURCC( 'v', 'o', 'r', '2' ), "Vorbis 2 Audio" },
{ WAVE_FORMAT_VORB_2PLUS, VLC_FOURCC( 'v', 'o', '2', '+' ), "Vorbis 2+ Audio" },
{ WAVE_FORMAT_VORB_3, VLC_FOURCC( 'v', 'o', 'r', '3' ), "Vorbis 3 Audio" },
{ WAVE_FORMAT_VORB_3PLUS, VLC_FOURCC( 'v', 'o', '3', '+' ), "Vorbis 3+ Audio" },
{ WAVE_FORMAT_UNKNOWN, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
};
static inline void wf_tag_to_fourcc( uint16_t i_tag, vlc_fourcc_t *fcc,
char **ppsz_name )
{
int i;
for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
{
if( wave_format_tag_to_fourcc[i].i_tag == i_tag ) break;
}
if( fcc ) *fcc = wave_format_tag_to_fourcc[i].i_fourcc;
if( ppsz_name ) *ppsz_name = wave_format_tag_to_fourcc[i].psz_name;
}
static inline void fourcc_to_wf_tag( vlc_fourcc_t fcc, uint16_t *pi_tag )
{
int i;
for( i = 0; wave_format_tag_to_fourcc[i].i_tag != 0; i++ )
{
if( wave_format_tag_to_fourcc[i].i_fourcc == fcc ) break;
}
if( pi_tag ) *pi_tag = wave_format_tag_to_fourcc[i].i_tag;
}
/* If wFormatTag is WAVEFORMATEXTENSIBLE, we must look at the SubFormat tag
* to determine the actual format. Microsoft has stopped giving out wFormatTag
* assignments in lieu of letting 3rd parties generate their own GUIDs
*/
static struct
{
GUID guid_tag;
vlc_fourcc_t i_fourcc;
char *psz_name;
}
sub_format_tag_to_fourcc[] =
{
{ _KSDATAFORMAT_SUBTYPE_PCM_, VLC_FOURCC( 'p', 'c', 'm', ' ' ), "PCM" },
{ _KSDATAFORMAT_SUBTYPE_UNKNOWN_, VLC_FOURCC( 'u', 'n', 'd', 'f' ), "Unknown" }
};
/* compares two GUIDs, returns 1 if identical, 0 otherwise */
static inline int guidcmp( const GUID *s1, const GUID *s2 )
{
return( s1->Data1 == s2->Data1 && s1->Data2 == s2->Data2 &&
s1->Data3 == s2->Data3 && !memcmp( s1->Data4, s2->Data4, 8 ) );
}
static inline void sf_tag_to_fourcc( GUID *guid_tag,
vlc_fourcc_t *fcc, char **ppsz_name )
{
int i;
for( i = 0; !guidcmp( &sub_format_tag_to_fourcc[i].guid_tag,
&KSDATAFORMAT_SUBTYPE_UNKNOWN ); i++ )
{
if( guidcmp( &sub_format_tag_to_fourcc[i].guid_tag, guid_tag ) ) break;
}
if( fcc ) *fcc = sub_format_tag_to_fourcc[i].i_fourcc;
if( ppsz_name ) *ppsz_name = sub_format_tag_to_fourcc[i].psz_name;
}
/**
* Structure to hold information concerning subtitles.
* Used between demuxers and decoders of subtitles.
*/
typedef struct es_sys_t
{
char *psz_header; /* for 'ssa ' and 'subt' */
/* for spudec */
unsigned int i_orig_height;
unsigned int i_orig_width;
unsigned int i_origin_x;
unsigned int i_origin_y;
unsigned int i_scale_h;
unsigned int i_scale_v;
unsigned int i_alpha;
vlc_bool_t b_smooth;
mtime_t i_fade_in;
mtime_t i_fade_out;
unsigned int i_align;
mtime_t i_time_offset;
vlc_bool_t b_forced_subs;
unsigned int palette[16];
unsigned int colors[4];
} subtitle_data_t;
#endif /* "codecs.h" */
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