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

   1 /*****************************************************************************
   2  * windows_audio_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 it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * 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 #include <dsound.h>
  75
  76 #ifndef SPEAKER_FRONT_LEFT
  77 #   define SPEAKER_FRONT_LEFT             0x1
  78 #   define SPEAKER_FRONT_RIGHT            0x2
  79 #   define SPEAKER_FRONT_CENTER           0x4
  80 #   define SPEAKER_LOW_FREQUENCY          0x8
  81 #   define SPEAKER_BACK_LEFT              0x10
  82 #   define SPEAKER_BACK_RIGHT             0x20
  83 #   define SPEAKER_FRONT_LEFT_OF_CENTER   0x40
  84 #   define SPEAKER_FRONT_RIGHT_OF_CENTER  0x80
  85 #   define SPEAKER_BACK_CENTER            0x100
  86 #   define SPEAKER_SIDE_LEFT              0x200
  87 #   define SPEAKER_SIDE_RIGHT             0x400
  88 #   define SPEAKER_TOP_CENTER             0x800
  89 #   define SPEAKER_TOP_FRONT_LEFT         0x1000
  90 #   define SPEAKER_TOP_FRONT_CENTER       0x2000
  91 #   define SPEAKER_TOP_FRONT_RIGHT        0x4000
  92 #   define SPEAKER_TOP_BACK_LEFT          0x8000
  93 #   define SPEAKER_TOP_BACK_CENTER        0x10000
  94 #   define SPEAKER_TOP_BACK_RIGHT         0x20000
  95 #   define SPEAKER_RESERVED               0x80000000
  96 #endif
  97
  98 #ifndef DSSPEAKER_DSSPEAKER_DIRECTOUT
  99 #   define DSSPEAKER_DSSPEAKER_DIRECTOUT  0x00000000
 100 #endif
 101 #ifndef DSSPEAKER_HEADPHONE
 102 #   define DSSPEAKER_HEADPHONE            0x00000001
 103 #endif
 104 #ifndef DSSPEAKER_MONO
 105 #   define DSSPEAKER_MONO                 0x00000002
 106 #endif
 107 #ifndef DSSPEAKER_QUAD
 108 #   define DSSPEAKER_QUAD                 0x00000003
 109 #endif
 110 #ifndef DSSPEAKER_STEREO
 111 #   define DSSPEAKER_STEREO               0x00000004
 112 #endif
 113 #ifndef DSSPEAKER_SURROUND
 114 #   define DSSPEAKER_SURROUND             0x00000005
 115 #endif
 116 #ifndef DSSPEAKER_5POINT1
 117 #   define DSSPEAKER_5POINT1              0x00000006
 118 #endif
 119 #ifndef DSSPEAKER_5POINT1_BACK
 120 #   define DSSPEAKER_5POINT1_BACK         DSSPEAKER_5POINT1
 121 #endif
 122 #ifndef DSSPEAKER_7POINT1
 123 #   define DSSPEAKER_7POINT1              0x00000007
 124 #endif
 125 #ifndef DSSPEAKER_7POINT1_SURROUND
 126 #   define DSSPEAKER_7POINT1_SURROUND     0x00000008
 127 #endif
 128 #ifndef DSSPEAKER_5POINT1_SURROUND
 129 #   define DSSPEAKER_5POINT1_SURROUND     0x00000009
 130 #endif
 131 #ifndef DSSPEAKER_7POINT1_WIDE
 132 #   define DSSPEAKER_7POINT1_WIDE         DSSPEAKER_7POINT1
 133 #endif
 134
 135 static const uint32_t pi_channels_in[] =
 136     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 137       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT,
 138       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, SPEAKER_BACK_CENTER,
 139       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, 0 };
 140 static const uint32_t pi_channels_out[] =
 141     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 142       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY,
 143       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
 144       SPEAKER_BACK_CENTER,
 145       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 };
 146
 147 #define FLOAT_TEXT N_("Use float32 output")
 148 #define FLOAT_LONGTEXT N_( \
 149     "The option allows you to enable or disable the high-quality float32 " \
 150     "audio output mode (which is not well supported by some soundcards)." )
 151