/*!
\file AudioContext.h
\brief
*/

#pragma once

/*
 *      Copyright (C) 2005-2008 Team XBMC
 *      http://www.xbmc.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, 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 XBMC; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

#include "StdString.h"

#define DSMIXBINTYPE_STANDARD 1
#define DSMIXBINTYPE_DMO 2
#define DSMIXBINTYPE_AAC 3
#define DSMIXBINTYPE_OGG 4
#define DSMIXBINTYPE_CUSTOM 5
#define DSMIXBINTYPE_STEREOALL 6
#define DSMIXBINTYPE_STEREOLEFT 7
#define DSMIXBINTYPE_STEREORIGHT 8

class CAudioContext
{
public:
  CAudioContext();
  virtual ~CAudioContext();

  void                        SetActiveDevice(int iDevice);
  int                         GetActiveDevice();

#ifdef HAS_AUDIO
  LPDIRECTSOUND8              GetDirectSoundDevice() { return m_pDirectSoundDevice; }
#ifdef HAS_AUDIO_PASS_THROUGH
  LPAC97MEDIAOBJECT           GetAc97Device() { return m_pAC97Device; }
#endif
#endif

  void                        SetupSpeakerConfig(int iChannels, bool& bAudioOnAllSpeakers, bool bIsMusic=true);
  bool                        IsAC3EncoderActive() const;
  bool                        IsPassthroughActive() const;

  enum AUDIO_DEVICE {NONE=0, DEFAULT_DEVICE, DIRECTSOUND_DEVICE, AC97_DEVICE, DIRECTSOUND_DEVICE_DIGITAL };
protected:
  void                         RemoveActiveDevice();

#ifdef HAS_AUDIO
#ifdef HAS_AUDIO_PASS_THROUGH
  LPAC97MEDIAOBJECT            m_pAC97Device;
#endif
  LPDIRECTSOUND8               m_pDirectSoundDevice;
#endif

  int                          m_iDevice;
  CStdString                   m_strDevice;
  bool                         m_bAC3EncoderActive;
};

extern CAudioContext& g_audioContext;