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FACE_Sound_Assist.cpp
executable file
·139 lines (127 loc) · 3.74 KB
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FACE_Sound_Assist.cpp
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#include "FACE_Sound_Assist.h"
BOOL BUFFERS::IsEmpty( ){
return ( !SecBuf );
}
BUFFERS::BUFFERS( ){
// SND_OPEN
SndPts = NULL ;
ZeroMemory( &ovFile , sizeof( ovFile ) );
ZeroMemory( &WaveFormat, sizeof( WaveFormat) );
BufferSize = 0;
ReadFunc = NULL;
SecBuf =NULL;
IsLoopPlay = FALSE;
}
void BUFFERS::Make( BOOL IsStream ){
DXObjInit( DSBUFFERDESC DSSD , DSSD );
if ( IsStream ){
// ストリーム再生用バッファ
DSSD.dwFlags = DSBCAPS_GETCURRENTPOSITION2
| DSBCAPS_GLOBALFOCUS
| DSBCAPS_CTRLPOSITIONNOTIFY;
DSSD.dwBufferBytes = WaveFormat.nAvgBytesPerSec * BufferSec ;
lpFACE->LogPut( CONTINUE , IDS_LOG_BUFFER_STREAM , DSSD.dwBufferBytes );
}else{
DSSD.dwFlags = DSBCAPS_STATIC
| DSBCAPS_GLOBALFOCUS;
// スターてぃっくばっふぁ
DSSD.dwBufferBytes = BufferSize;
lpFACE->LogPut( CONTINUE , IDS_LOG_BUFFER_STATIC , DSSD.dwBufferBytes );
}
DSSD.lpwfxFormat = &WaveFormat;
ObjDS->CreateSoundBuffer( &DSSD , &SecBuf , NULL );
}
void BUFFERS::Stop( ){
SecBuf->Stop();
// 再生カーソルを戻す
if ( SndPts == NULL )
ov_time_seek( &ovFile , 0 );
else
fseek( SndPts , 0 , SEEK_SET );
SecBuf->SetCurrentPosition( 0 );
IsLoopPlay = FALSE;
}
void BUFFERS::Clear( ){
if ( IsEmpty() )return;
// バッファ開放
SAFE_RELEASE( SecBuf );
// ファイルの開放
if ( SndPts == NULL ) ov_clear( &ovFile );
lpFACE->LogBegin( _T( "BufferClear" ) );
lpFACE->LogPut( CONTINUE , IDS_LOG_CREATE , this - &Buffers[ 0 ] );
lpFACE->LogQuit( );
}
void BUFFERS::Buffer_Fill( BOOL IsStream ){
LPSTR lpBlock1 , lpBlock2; DWORD BlockSize1 , BlockSize2 , CanWrite;
LONG Ret;
LPSTR DsBuffer;
if ( IsStream ){
// ストリームなので初期化
BufferSize = WaveFormat.nAvgBytesPerSec * BufferSec ;
DsBuffer = (char*)
HeapAlloc( GetProcessHeap( ) , HEAP_ZERO_MEMORY ,
BufferSize + 1 );
}else
DsBuffer = (char*)
HeapAlloc( GetProcessHeap( ) , HEAP_ZERO_MEMORY , BufferSize + 1 );
ReadFunc( this , BufferSize , DsBuffer , &Ret );
// LOCK
SecBuf->Lock( 0 , BufferSize ,
(LPVOID*)&lpBlock1 , &BlockSize1 , (LPVOID*)&lpBlock2 , &BlockSize2 , 0 );
// DirectSoundBufferを初期化
CanWrite = min( BufferSize , BlockSize1 );
memcpy( lpBlock1 , DsBuffer , CanWrite );
// リングの後端
if ( lpBlock2 )
memcpy( lpBlock2 , DsBuffer + CanWrite , BufferSize - CanWrite );
// 開放
SecBuf->Unlock( lpBlock1 , BlockSize1 , lpBlock2 , BlockSize2 );
SAFE_FREE( DsBuffer );
if ( IsStream ) BufferSize /= 2;
if ( Ret ) return ;
// 読み切った
if ( IsLoopPlay ){
// ファイルポインタを戻す
if ( SndPts == NULL )
ov_time_seek( &ovFile , 0 );
else
fseek( SndPts , 0 , SEEK_SET );
}else
// 単純再生へ移行
SecBuf->Play( 0 , 0 ,0 );
return;
}}
long BUFFERS::Buffer_Keep(){
LONG Ret ;
LPSTR lpBlock1 , lpBlock2;
DWORD BlockSize1 , BlockSize2 , CanWrite;
LPSTR DsBuffer;
DsBuffer = (char*)
HeapAlloc( GetProcessHeap( ) , HEAP_ZERO_MEMORY , BufferSize + 1 );
ReadFunc( this , BufferSize , DsBuffer , &Ret );
// LOCK
SecBuf->Lock( BufferSize , BufferSize ,
(LPVOID*)&lpBlock1 , &BlockSize1 , (LPVOID*)&lpBlock2 , &BlockSize2 , 0 );
CanWrite = min( BufferSize , BlockSize1 );
memcpy( lpBlock1 , DsBuffer + BufferSize, CanWrite );
// バッファの終端越え
if ( lpBlock2 )
memcpy( lpBlock1 , DsBuffer + CanWrite+ BufferSize , BufferSize - CanWrite );
// バッファUNロック
SecBuf->Unlock( lpBlock1 , BlockSize1 , lpBlock2 , BlockSize2 );
SAFE_FREE( DsBuffer );
if ( Ret == 0 ){
// 読み切った
if ( IsLoopPlay ){
// ファイルポインタを戻す
if ( SndPts == NULL )
ov_time_seek( &ovFile , 0 );
else
fseek( SndPts , 0 , SEEK_SET );
}else
// 単純再生へ移行
SecBuf->Play( 0 , 0 ,0 );
}
return Ret;
}
}