unsafe int /*HRESULT*/ SetPrimaryBufferFormat(int primaryChannels, int primaryFrequency,
                                                      int primaryBitRate, bool allowLogError)
        {
            int hr;
            void */*IDirectSoundBuffer*/ primaryBuffer = null;

            // Get the primary buffer
            DSBUFFERDESC bufferDesc = new DSBUFFERDESC();

            //ZeroMemory( &bufferDesc, sizeof( DSBUFFERDESC ) );
            bufferDesc.dwSize  = (uint)sizeof(DSBUFFERDESC);
            bufferDesc.dwFlags = /*DSound.DSBCAPS_CTRL3D | */ DSound.DSBCAPS_PRIMARYBUFFER;
            //bufferDesc.dwBufferBytes = 0;
            //bufferDesc.lpwfxFormat = NULL;

            hr = IDirectSound8.CreateSoundBuffer(directSound, ref bufferDesc,
                                                 out primaryBuffer, null);
            if (Wrapper.FAILED(hr))
            {
                if (allowLogError)
                {
                    Error("CreateSoundBuffer", hr);
                }
                return(hr);
            }

            WAVEFORMATEX waveFormat = new WAVEFORMATEX();

            //ZeroMemory( &waveFormat, sizeof( WAVEFORMATEX ) );
            waveFormat.wFormatTag      = (ushort)DSound.WAVE_FORMAT_PCM;
            waveFormat.nChannels       = (ushort)primaryChannels;
            waveFormat.nSamplesPerSec  = (uint)primaryFrequency;
            waveFormat.wBitsPerSample  = (ushort)primaryBitRate;
            waveFormat.nBlockAlign     = (ushort)(waveFormat.wBitsPerSample / 8 * waveFormat.nChannels);
            waveFormat.nAvgBytesPerSec = (uint)(waveFormat.nSamplesPerSec * waveFormat.nBlockAlign);

            hr = IDirectSoundBuffer.SetFormat(primaryBuffer, ref waveFormat);
            if (Wrapper.FAILED(hr))
            {
                IDirectSoundBuffer.Release(primaryBuffer);
                if (allowLogError)
                {
                    Error("SetFormat", hr);
                }
                return(hr);
            }

            IDirectSoundBuffer.Release(primaryBuffer);

            return(DSound.S_OK);
        }
示例#2
0
 public unsafe static extern int SetFormat(void */*IDirectSoundBuffer*/ _this,
                                           ref WAVEFORMATEX pcfxFormat);
示例#3
0
		unsafe int/*HRESULT*/ SetPrimaryBufferFormat( int primaryChannels, int primaryFrequency,
			int primaryBitRate, bool allowLogError )
		{
			int hr;
			void*/*IDirectSoundBuffer*/ primaryBuffer = null;

			// Get the primary buffer
			DSBUFFERDESC bufferDesc = new DSBUFFERDESC();
			//ZeroMemory( &bufferDesc, sizeof( DSBUFFERDESC ) );
			bufferDesc.dwSize = (uint)sizeof( DSBUFFERDESC );
			bufferDesc.dwFlags = /*DSound.DSBCAPS_CTRL3D | */DSound.DSBCAPS_PRIMARYBUFFER;
			//bufferDesc.dwBufferBytes = 0;
			//bufferDesc.lpwfxFormat = NULL;

			hr = IDirectSound8.CreateSoundBuffer( directSound, ref bufferDesc,
				out primaryBuffer, null );
			if( Wrapper.FAILED( hr ) )
			{
				if( allowLogError )
					Error( "CreateSoundBuffer", hr );
				return hr;
			}

			WAVEFORMATEX waveFormat = new WAVEFORMATEX();
			//ZeroMemory( &waveFormat, sizeof( WAVEFORMATEX ) );
			waveFormat.wFormatTag = (ushort)DSound.WAVE_FORMAT_PCM;
			waveFormat.nChannels = (ushort)primaryChannels;
			waveFormat.nSamplesPerSec = (uint)primaryFrequency;
			waveFormat.wBitsPerSample = (ushort)primaryBitRate;
			waveFormat.nBlockAlign = (ushort)( waveFormat.wBitsPerSample / 8 * waveFormat.nChannels );
			waveFormat.nAvgBytesPerSec = (uint)( waveFormat.nSamplesPerSec * waveFormat.nBlockAlign );

			hr = IDirectSoundBuffer.SetFormat( primaryBuffer, ref waveFormat );
			if( Wrapper.FAILED( hr ) )
			{
				IDirectSoundBuffer.Release( primaryBuffer );
				if( allowLogError )
					Error( "SetFormat", hr );
				return hr;
			}

			IDirectSoundBuffer.Release( primaryBuffer );

			return DSound.S_OK;
		}
示例#4
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		public unsafe static extern int SetFormat( void*/*IDirectSoundBuffer*/ _this,
			ref WAVEFORMATEX pcfxFormat );