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 #include <vlc_codecs.h>
  38
  39 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  40 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_PCM, WAVE_FORMAT_PCM, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  41 DEFINE_GUID( _KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF, WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 );
  42
  43 static const GUID __KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {WAVE_FORMAT_IEEE_FLOAT, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  44 static const GUID __KSDATAFORMAT_SUBTYPE_PCM = {WAVE_FORMAT_PCM, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  45 static const GUID __KSDATAFORMAT_SUBTYPE_DOLBY_AC3_SPDIF = {WAVE_FORMAT_DOLBY_AC3_SPDIF, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  46
  47 #define FRAMES_NUM 8                                      /* Needs to be > 3 */
  48
  49 #include <dsound.h>
  50
  51 #ifndef SPEAKER_FRONT_LEFT
  52 #   define SPEAKER_FRONT_LEFT             0x1
  53 #   define SPEAKER_FRONT_RIGHT            0x2
  54 #   define SPEAKER_FRONT_CENTER           0x4
  55 #   define SPEAKER_LOW_FREQUENCY          0x8
  56 #   define SPEAKER_BACK_LEFT              0x10
  57 #   define SPEAKER_BACK_RIGHT             0x20
  58 #   define SPEAKER_FRONT_LEFT_OF_CENTER   0x40
  59 #   define SPEAKER_FRONT_RIGHT_OF_CENTER  0x80
  60 #   define SPEAKER_BACK_CENTER            0x100
  61 #   define SPEAKER_SIDE_LEFT              0x200
  62 #   define SPEAKER_SIDE_RIGHT             0x400
  63 #   define SPEAKER_TOP_CENTER             0x800
  64 #   define SPEAKER_TOP_FRONT_LEFT         0x1000
  65 #   define SPEAKER_TOP_FRONT_CENTER       0x2000
  66 #   define SPEAKER_TOP_FRONT_RIGHT        0x4000
  67 #   define SPEAKER_TOP_BACK_LEFT          0x8000
  68 #   define SPEAKER_TOP_BACK_CENTER        0x10000
  69 #   define SPEAKER_TOP_BACK_RIGHT         0x20000
  70 #   define SPEAKER_RESERVED               0x80000000
  71 #endif
  72
  73 #ifndef DSSPEAKER_DSSPEAKER_DIRECTOUT
  74 #   define DSSPEAKER_DSSPEAKER_DIRECTOUT  0x00000000
  75 #endif
  76 #ifndef DSSPEAKER_HEADPHONE
  77 #   define DSSPEAKER_HEADPHONE            0x00000001
  78 #endif
  79 #ifndef DSSPEAKER_MONO
  80 #   define DSSPEAKER_MONO                 0x00000002
  81 #endif
  82 #ifndef DSSPEAKER_QUAD
  83 #   define DSSPEAKER_QUAD                 0x00000003
  84 #endif
  85 #ifndef DSSPEAKER_STEREO
  86 #   define DSSPEAKER_STEREO               0x00000004
  87 #endif
  88 #ifndef DSSPEAKER_SURROUND
  89 #   define DSSPEAKER_SURROUND             0x00000005
  90 #endif
  91 #ifndef DSSPEAKER_5POINT1
  92 #   define DSSPEAKER_5POINT1              0x00000006
  93 #endif
  94 #ifndef DSSPEAKER_5POINT1_BACK
  95 #   define DSSPEAKER_5POINT1_BACK         DSSPEAKER_5POINT1
  96 #endif
  97 #ifndef DSSPEAKER_7POINT1
  98 #   define DSSPEAKER_7POINT1              0x00000007
  99 #endif
 100 #ifndef DSSPEAKER_7POINT1_SURROUND
 101 #   define DSSPEAKER_7POINT1_SURROUND     0x00000008
 102 #endif
 103 #ifndef DSSPEAKER_5POINT1_SURROUND
 104 #   define DSSPEAKER_5POINT1_SURROUND     0x00000009
 105 #endif
 106 #ifndef DSSPEAKER_7POINT1_WIDE
 107 #   define DSSPEAKER_7POINT1_WIDE         DSSPEAKER_7POINT1
 108 #endif
 109
 110 static const uint32_t pi_channels_in[] =
 111     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 112       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT,
 113       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT, SPEAKER_BACK_CENTER,
 114       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY, 0 };
 115 static const uint32_t pi_channels_out[] =
 116     { SPEAKER_FRONT_LEFT, SPEAKER_FRONT_RIGHT,
 117       SPEAKER_FRONT_CENTER, SPEAKER_LOW_FREQUENCY,
 118       SPEAKER_BACK_LEFT, SPEAKER_BACK_RIGHT,
 119       SPEAKER_BACK_CENTER,
 120       SPEAKER_SIDE_LEFT, SPEAKER_SIDE_RIGHT, 0 };
 121
 122 #define FLOAT_TEXT N_("Use float32 output")
 123 #define FLOAT_LONGTEXT N_( \
 124     "The option allows you to enable or disable the high-quality float32 " \
 125     "audio output mode (which is not well supported by some soundcards)." )
 126