char VorbisfileUser::getData1(void)
{
	if((pcmLeft == 0)
	&& (bufferLeft == 0)) {
		//	もう圧縮データも残ってない
		return 0 ;
	}

	if(bufferLeft == 0) {
		//	バッファにデータが無いので取ってくる
		long readBytes ;
		readBytes = ov_read(&ovFile, extractBuf, bufferLength, 0, 2, 1, &currentOVSection) ;
		if((readBytes == OV_HOLE)
		|| (readBytes == OV_EBADLINK)) {
			MessageBox(NULL, "Ogg Vorbisファイルが壊れているようです。", "VorbisfileUser class error", MB_OK|MB_ICONEXCLAMATION) ;
			ov_clear(&ovFile) ;
			info = NULL ;
			throw 0 ;
		}
		if(readBytes == 0) {
			//	残りは無いらしい
			pcmLeft = 0 ;
			return 0 ;
		}
		pcmLeft -= readBytes ;
		if(pcmLeft <= 0) {
			pcmLeft = 0 ;
		}
		bufferLeft = readBytes ;
		bufferIndex = 0 ;
	}

	bufferLeft -- ;
	return extractBuf[bufferIndex++] ;
}

int VorbisfileUser::fillBuffer(char *fillbuffer, int fillbufferLength)
{
	if((pcmLeft == 0)
	&& (bufferLeft == 0)) {
		//	もう圧縮データも残ってない
		ZeroMemory((LPVOID)fillbuffer, fillbufferLength) ;
		return 0 ;
	}

	int filledLength = 0 ;
	while(fillbufferLength > 0) {
		if(bufferLeft == 0) {
			//	バッファにデータが無いので取ってくる
			long readBytes ;
			readBytes = ov_read(&ovFile, extractBuf, bufferLength, 0, 2, 1, &currentOVSection) ;
			if((readBytes == OV_HOLE)
			|| (readBytes == OV_EBADLINK)) {
				MessageBox(NULL, "Ogg Vorbisファイルが壊れているようです。", "VorbisfileUser class error", MB_OK|MB_ICONEXCLAMATION) ;
				ov_clear(&ovFile) ;
				info = NULL ;
				throw 0 ;
			}
			if(readBytes == 0) {
				//	残りは無いらしい
				pcmLeft = 0 ;
				ZeroMemory((LPVOID)&(fillbuffer[filledLength]), fillbufferLength) ;
				return filledLength ;
			}
			pcmLeft -= readBytes ;
			if(pcmLeft <= 0) {
				pcmLeft = 0 ;
			}
			bufferLeft = readBytes ;
			bufferIndex = 0 ;
		}
		if(bufferLeft <= fillbufferLength) {
			CopyMemory((LPVOID)&(fillbuffer[filledLength]), (LPCVOID)&(extractBuf[bufferIndex]), bufferLeft) ;
			filledLength += bufferLeft ;
			fillbufferLength -= bufferLeft ;
			bufferLeft = 0 ;
			bufferIndex = 0 ;
		} else {
			CopyMemory((LPVOID)&(fillbuffer[filledLength]), (LPCVOID)&(extractBuf[bufferIndex]), fillbufferLength) ;
			filledLength += fillbufferLength ;
			bufferLeft -= fillbufferLength ;
			bufferIndex += fillbufferLength ;
			fillbufferLength = 0 ;
		}
	}

	return filledLength ;
}