code.vuplus.com Git - vuplus_xbmc/blob - xbmc/cores/AudioEngine/Sinks/osx/CoreAudioChannelLayout.h

   1 #pragma once
   2 /*
   3  *      Copyright (C) 2011-2013 Team XBMC
   4  *      http://xbmc.org
   5  *
   6  *  This Program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2, or (at your option)
   9  *  any later version.
  10  *
  11  *  This Program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with XBMC; see the file COPYING.  If not, see
  18  *  <http://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 #include "system.h"
  23
  24 #if defined(TARGET_DARWIN_OSX)
  25 #include <list>
  26 #include <vector>
  27 #include <string>
  28
  29 #include <CoreAudio/CoreAudio.h>
  30
  31 typedef std::vector<SInt32> CoreAudioChannelList;
  32 typedef std::list<AudioChannelLayoutTag> AudioChannelLayoutList;
  33
  34 const AudioChannelLayoutTag g_LayoutMap[] =
  35 {
  36   kAudioChannelLayoutTag_Stereo,            // PCM_LAYOUT_2_0 = 0,
  37   kAudioChannelLayoutTag_Stereo,            // PCM_LAYOUT_2_0 = 0,
  38   kAudioChannelLayoutTag_DVD_4,             // PCM_LAYOUT_2_1,
  39   kAudioChannelLayoutTag_MPEG_3_0_A,        // PCM_LAYOUT_3_0,
  40   kAudioChannelLayoutTag_DVD_10,            // PCM_LAYOUT_3_1,
  41   kAudioChannelLayoutTag_DVD_3,             // PCM_LAYOUT_4_0,
  42   kAudioChannelLayoutTag_DVD_6,             // PCM_LAYOUT_4_1,
  43   kAudioChannelLayoutTag_MPEG_5_0_A,        // PCM_LAYOUT_5_0,
  44   kAudioChannelLayoutTag_MPEG_5_1_A,        // PCM_LAYOUT_5_1,
  45   kAudioChannelLayoutTag_AudioUnit_7_0,     // PCM_LAYOUT_7_0, ** This layout may be incorrect...no content to testß˚ **
  46   kAudioChannelLayoutTag_MPEG_7_1_A,        // PCM_LAYOUT_7_1
  47 };
  48
  49 const AudioChannelLabel g_LabelMap[] =
  50 {
  51   kAudioChannelLabel_Unused,                // PCM_FRONT_LEFT,
  52   kAudioChannelLabel_Left,                  // PCM_FRONT_LEFT,
  53   kAudioChannelLabel_Right,                 // PCM_FRONT_RIGHT,
  54   kAudioChannelLabel_Center,                // PCM_FRONT_CENTER,
  55   kAudioChannelLabel_LFEScreen,             // PCM_LOW_FREQUENCY,
  56   kAudioChannelLabel_LeftSurroundDirect,    // PCM_BACK_LEFT, *** This is incorrect, but has been changed to match dvdplayer
  57   kAudioChannelLabel_RightSurroundDirect,   // PCM_BACK_RIGHT, *** This is incorrect, but has been changed to match dvdplayer
  58   kAudioChannelLabel_LeftCenter,            // PCM_FRONT_LEFT_OF_CENTER,
  59   kAudioChannelLabel_RightCenter,           // PCM_FRONT_RIGHT_OF_CENTER,
  60   kAudioChannelLabel_CenterSurround,        // PCM_BACK_CENTER,
  61   kAudioChannelLabel_LeftSurround,          // PCM_SIDE_LEFT, *** This is incorrect, but has been changed to match dvdplayer
  62   kAudioChannelLabel_RightSurround,         // PCM_SIDE_RIGHT, *** This is incorrect, but has been changed to match dvdplayer
  63   kAudioChannelLabel_VerticalHeightLeft,    // PCM_TOP_FRONT_LEFT,
  64   kAudioChannelLabel_VerticalHeightRight,   // PCM_TOP_FRONT_RIGHT,
  65   kAudioChannelLabel_VerticalHeightCenter,  // PCM_TOP_FRONT_CENTER,
  66   kAudioChannelLabel_TopCenterSurround,     // PCM_TOP_CENTER,
  67   kAudioChannelLabel_TopBackLeft,           // PCM_TOP_BACK_LEFT,
  68   kAudioChannelLabel_TopBackRight,          // PCM_TOP_BACK_RIGHT,
  69   kAudioChannelLabel_TopBackCenter          // PCM_TOP_BACK_CENTER
  70 };
  71
  72 class CCoreAudioChannelLayout
  73 {
  74 public:
  75   CCoreAudioChannelLayout();
  76   CCoreAudioChannelLayout(AudioChannelLayout &layout);
  77   virtual ~CCoreAudioChannelLayout();
  78
  79   operator AudioChannelLayout*() {return m_pLayout;}
  80
  81   bool                CopyLayout(AudioChannelLayout &layout);
  82   static UInt32       GetChannelCountForLayout(AudioChannelLayout &layout);
  83   static const char*  ChannelLabelToString(UInt32 label);
  84   static const char*  ChannelLayoutToString(AudioChannelLayout &layout, std::string &str);
  85   bool                AllChannelUnknown();
  86 protected:
  87   AudioChannelLayout* m_pLayout;
  88 };
  89
  90 #endif