/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_StreamTrack.h
  
  Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc.  All rights reserved.
  
  These coded instructions, statements, and computer programs contain proprietary
  information of Nintendo and/or its licensed developers and are protected by
  national and international copyright laws. They may not be disclosed to third
  parties or copied or duplicated in any form, in whole or in part, without the
  prior written consent of Nintendo.
  
  The content herein is highly confidential and should be handled accordingly.
  
  $Revision: $
 *---------------------------------------------------------------------------*/

#ifndef NW_SND_STREAM_TRACK_H_
#define NW_SND_STREAM_TRACK_H_

#include <nn/snd.h>
#include <nw/snd/snd_StreamSoundFileReader.h>

#ifdef NW_PLATFORM_CTR
#include <nw/snd/snd_Voice.h>   // nw::snd::Voice::CHANNEL_MAX
#include <nw/snd/snd_Global.h>  // nw::snd::VOICE_OUT_MAX
#endif

namespace nw {
namespace snd {
namespace internal {
namespace driver {

struct StreamChannel
{
    // 定数
    static const int WAVE_BUFFER_MULTIPLYING_FACTOR = 4;
#ifdef NW_PLATFORM_CTR
    static const int WAVE_BUFFER_MAX = 5 * WAVE_BUFFER_MULTIPLYING_FACTOR;
#endif

    // 列挙体
#ifdef NW_PLATFORM_CTR
    enum AdpcmContextType
    {
        ADPCM_CONTEXT_HEAD, // 波形先頭のもの
        ADPCM_CONTEXT_LOOP, // ループ時のもの
        ADPCM_CONTEXT_NUM
    };
#endif

    // 関数
#ifdef NW_PLATFORM_CTR
    void AppendWaveBuffer( nn::snd::WaveBuffer* pBuffer, bool lastFlag );
#endif

    // データ
    void*                       m_pBufferAddress;   // ストリームデータバッファ
    DspAdpcmParam               m_AdpcmParam;       // 整理したら CTRWIN のみにできそう
    DspAdpcmLoopParam           m_AdpcmLoopParam;
#ifdef NW_PLATFORM_CTRWIN
    u16                         m_AdpcmPredScale;
#else
    Voice*   m_pVoice;
    nn::snd::WaveBuffer         m_WaveBuffer[WAVE_BUFFER_MAX];
    nn::snd::AdpcmContext       m_AdpcmContext[ADPCM_CONTEXT_NUM];
#endif
};


struct StreamTrack
{
public:
    bool m_ActiveFlag;
#ifdef NW_PLATFORM_CTRWIN
    Voice* m_pVoice;
#else
    StreamChannel* m_pChannels[Voice::CHANNEL_MAX];
#endif
    StreamSoundFileReader::TrackInfo m_TrackInfo;
    f32 m_Volume;
    f32 m_Pan;
    f32 m_SurroundPan;
};



} // namespace nw::snd::internal::driver
} // namespace nw::snd::internal
} // namespace nw::snd
} // namespace nw


#endif /* NW_SND_STREAM_TRACK_H_ */