/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_StreamSoundFile.cpp

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  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.

  $Revision: 13145 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/snd/snd_StreamSoundFile.h>
#include <nw/snd/snd_ElementType.h>

namespace nw {
namespace snd {
namespace internal {


//
// StreamSoundFile::FileHeader
//
const Util::ReferenceWithSize*
StreamSoundFile::FileHeader::GetReferenceBy( u16 typeId ) const
{
    for ( int i = 0; i < BLOCK_SIZE; i++ )
    {
        if ( toBlocks[ i ].typeId == typeId )
        {
            return &toBlocks[ i ];
        }
    }
    return NULL;
}

u32 StreamSoundFile::FileHeader::GetInfoBlockSize() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_InfoBlock )->size;
}
u32 StreamSoundFile::FileHeader::GetSeekBlockSize() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_SeekBlock )->size;
}
u32 StreamSoundFile::FileHeader::GetDataBlockSize() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_DataBlock )->size;
}

u32 StreamSoundFile::FileHeader::GetInfoBlockOffset() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_InfoBlock )->offset;
}
u32 StreamSoundFile::FileHeader::GetSeekBlockOffset() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_SeekBlock )->offset;
}
u32 StreamSoundFile::FileHeader::GetDataBlockOffset() const
{
    return GetReferenceBy( ElementType_StreamSoundFile_DataBlock )->offset;
}


//
// StreamSoundFile::InfoBlockBody
//

const StreamSoundFile::StreamSoundInfo*
StreamSoundFile::InfoBlockBody::GetStreamSoundInfo() const
{
    if ( toStreamSoundInfo.typeId != ElementType_StreamSoundFile_StreamSoundInfo )
    {
        return NULL;
    }
    return static_cast<const StreamSoundInfo*>(
            ut::AddOffsetToPtr( this, toStreamSoundInfo.offset ) );
}
const StreamSoundFile::TrackInfoTable*
StreamSoundFile::InfoBlockBody::GetTrackInfoTable() const
{
    if ( toTrackInfoTable.typeId != ElementType_Table_ReferenceTable )
    {
        return NULL;
    }
    return static_cast<const TrackInfoTable*>(
            ut::AddOffsetToPtr( this, toTrackInfoTable.offset ) );
}
const StreamSoundFile::ChannelInfoTable*
StreamSoundFile::InfoBlockBody::GetChannelInfoTable() const
{
    if ( toChannelInfoTable.typeId != ElementType_Table_ReferenceTable )
    {
        return NULL;
    }
    return static_cast<const ChannelInfoTable*>(
            ut::AddOffsetToPtr( this, toChannelInfoTable.offset ) );
}

//
// StreamSoundFile::TrackInfoTable
//
const StreamSoundFile::TrackInfo*
StreamSoundFile::TrackInfoTable::GetTrackInfo( u32 index ) const
{
    return static_cast<const TrackInfo*>(
            table.GetReferedItem( index, ElementType_StreamSoundFile_TrackInfo ) );
}

//
// StreamSoundFile::ChannelInfoTable
//
const StreamSoundFile::ChannelInfo*
StreamSoundFile::ChannelInfoTable::GetChannelInfo( u32 index ) const
{
    NW_ASSERT( index < table.count );

    return static_cast<const ChannelInfo*>(
            table.GetReferedItem(
                index,
                ElementType_StreamSoundFile_ChannelInfo ) );
}

//
// StreamSoundFile::ChannlInfo
//
const StreamSoundFile::DspAdpcmChannelInfo*
StreamSoundFile::ChannelInfo::GetDspAdpcmChannelInfo() const
{
    if ( ! toDetailChannelInfo.IsValidTypeId( ElementType_Codec_DspAdpcmInfo ) )
    {
        return NULL;
    }

    return reinterpret_cast<const DspAdpcmChannelInfo*>(
            ut::AddOffsetToPtr( this, toDetailChannelInfo.offset ) );
}

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