git.sesse.net Git - vlc/blob - modules/audio_output/windows_audio_common.h

   1 /*****************************************************************************
   2  * windows_common.h: Windows Audio common code
   3  *****************************************************************************
   4  * Copyright (C) 2001-2009 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #include <windows.h>
  26 #include <mmsystem.h>
  27
  28 /*****************************************************************************
  29  * DirectSound GUIDs.
  30  * Defining them here allows us to get rid of the dxguid library during
  31  * the linking stage.
  32  *****************************************************************************/
  33
  34 #define INITGUID /* Doesn't define the DEFINE_GUID as extern */
  35 #include <initguid.h>
  36
  37 #ifndef WAVE_FORMAT_IEEE_FLOAT
  38 #   define WAVE_FORMAT_IEEE_FLOAT 0x0003
  39 #endif
  40
  41 #ifndef WAVE_FORMAT_DOLBY_AC3_SPDIF
  42 #   define WAVE_FORMAT_DOLBY_AC3_SPDIF 0x0092
  43 #endif
  44
  45 #ifndef WAVE_FORMAT_EXTENSIBLE
  46 #define  WAVE_FORMAT_EXTENSIBLE   0xFFFE
  47 #endif
  48
  49 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  50 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_PCM, WAVE_FORMAT_PCM, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  51 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF, WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  52
  53 static const GUID __KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  54 static const GUID __KSDATAFORMAT_SUBTYPE_PCM = {WAVE_FORMAT_PCM, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  55 static const GUID __KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF = {WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  56
  57
  58 #define FRAMES_NUM 8                                      /* Needs to be > 3 */
  59
  60 #ifndef _WAVEFORMATEXTENSIBLE_
  61 typedef struct {
  62     WAVEFORMATEX    Format;
  63     union {
  64         WORD wValidBitsPerSample;       /* bits of precision  */
  65         WORD wSamplesPerBlock;          /* valid if wBitsPerSample==0 */
  66         WORD wReserved;                 /* If neither applies, set to zero. */
  67     } Samples;
  68     DWORD           dwChannelMask;      /* which channels are */
  69                                         /* present in stream  */
  70     GUID            SubFormat;
  71 } WAVEFORMATEXTENSIBLE, *PWAVEFORMATEXTENSIBLE;
  72 #endif
  73
  74
  75 #ifndef SPEAKER_FRONT_LEFT
  76 #   define SPEAKER_FRONT_LEFT             0x1
  77 #   define SPEAKER_FRONT_RIGHT            0x2
  78 #   define SPEAKER_FRONT_CENTER           0x4
  79 #   define SPEAKER_LOW_FREQUENCY          0x8
  80 #   define SPEAKER_BACK_LEFT              0x10
  81 #   define SPEAKER_BACK_RIGHT             0x20
  82 #   define SPEAKER_FRONT_LEFT_OF_CENTER   0x40
  83 #   define SPEAKER_FRONT_RIGHT_OF_CENTER  0x80
  84 #   define SPEAKER_BACK_CENTER            0x100
  85 #   define SPEAKER_SIDE_LEFT              0x200
  86 #   define SPEAKER_SIDE_RIGHT             0x400
  87 #   define SPEAKER_TOP_CENTER             0x800
  88 #   define SPEAKER_TOP_FRONT_LEFT         0x1000
  89 #   define SPEAKER_TOP_FRONT_CENTER       0x2000
  90 #   define SPEAKER_TOP_FRONT_RIGHT        0x4000
  91 #   define SPEAKER_TOP_BACK_LEFT          0x8000
  92 #   define SPEAKER_TOP_BACK_CENTER        0x10000
  93 #   define SPEAKER_TOP_BACK_RIGHT         0x20000
  94 #   define SPEAKER_RESERVED               0x80000000
  95 #endif
  96
  97 #ifndef DSSPEAKER_DSSPEAKER_DIRECTOUT
  98 #   define DSSPEAKER_DSSPEAKER_DIRECTOUT         0x00000000
  99 #endif
 100 #ifndef DSSPEAKER_HEADPHONE
 101 #   define DSSPEAKER_HEADPHONE         0x00000001
 102 #endif
 103 #ifndef DSSPEAKER_MONO
 104 #   define DSSPEAKER_MONO              0x00000002
 105 #endif
 106 #ifndef DSSPEAKER_QUAD
 107 #   define DSSPEAKER_QUAD              0x00000003
 108 #endif
 109 #ifndef DSSPEAKER_STEREO
 110 #   define DSSPEAKER_STEREO            0x00000004
 111 #endif
 112 #ifndef DSSPEAKER_SURROUND
 113 #   define DSSPEAKER_SURROUND          0x00000005
 114 #endif
 115 #ifndef DSSPEAKER_5POINT1
 116 #   define DSSPEAKER_5POINT1           0x00000006
 117 #endif
 118 #ifndef DSSPEAKER_7POINT1
 119 #   define DSSPEAKER_7POINT1           0x00000007
 120 #endif
 121 #ifndef DSSPEAKER_7POINT1_SURROUND
 122 #   define DSSPEAKER_7POINT1_SURROUND           0x00000008
 123 #endif
 124 #ifndef DSSPEAKER_7POINT1_WIDE
 125 #   define DSSPEAKER_7POINT1_WIDE           DSSPEAKER_7POINT1
 126 #endif
 127
 128 static const uint32_t pi_channels_src[] =
 129     { AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 130       AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 131       AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_REARCENTER,
 132       AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
 133 static const uint32_t pi_channels_in[] =
 134     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 135       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT,
 136       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, SPEAKER_BACK_CENTER,
 137       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, 0 };
 138 static const uint32_t pi_channels_out[] =
 139     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 140       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY,
 141       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
 142       SPEAKER_BACK_CENTER,
 143       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 };
 144
 145 #define FLOAT_TEXT N_("Use float32 output")
 146 #define FLOAT_LONGTEXT N_( \
 147     "The option allows you to enable or disable the high-quality float32 " \
 148     "audio output mode (which is not well supported by some soundcards)." )
 149