コード例 #1
0
ファイル: DirectSoundRealChannel.cs プロジェクト: whztt07/SDK
		unsafe protected override void PreDetachVirtualChannel()
		{
			DirectSoundWorld.criticalSection.Enter();

			DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
			if( currentFileStreamSound != null )
				DirectSoundWorld.Instance.fileStreamRealChannels.Remove( this );

			if( currentSound3DBuffer != null )
			{
				IDirectSound3DBuffer8.Release( currentSound3DBuffer );
				currentSound3DBuffer = null;
			}

			if( currentSoundBuffer != null )
			{
				IDirectSoundBuffer.Stop( currentSoundBuffer );
				currentSound.FreeBuffer( currentSoundBuffer );
				currentSoundBuffer = null;
			}

			if( streamBuffer != null )
			{
				NativeUtils.Free( (IntPtr)streamBuffer );
				streamBuffer = null;
			}
			needStopAfterBufferRead = false;
			streamBufferLength = 0;

			needStopVirtualChannel = false;

			currentSound = null;

			DirectSoundWorld.criticalSection.Leave();
		}
コード例 #2
0
ファイル: DirectSoundRealChannel.cs プロジェクト: whztt07/SDK
		unsafe protected override void PostAttachVirtualChannel()
		{
			DirectSoundWorld.criticalSection.Enter();

			int hr;

			currentSound = (DirectSound)CurrentVirtualChannel.CurrentSound;

			bool mode3d = (int)( currentSound.Mode & SoundMode.Mode3D ) != 0;
			bool loop = (int)( currentSound.Mode & SoundMode.Loop ) != 0;

			//DirectSampleSound
			DirectSampleSound currentSampleSound = currentSound as DirectSampleSound;
			if( currentSampleSound != null )
			{
				int lastBufferCount = currentSound.soundBuffers.Count;

				currentSoundBuffer = currentSound.GetBuffer( currentSampleSound.soundSamples.Length );
				if( currentSoundBuffer == null )
				{
					PreDetachVirtualChannel();
					DirectSoundWorld.criticalSection.Leave();
					return;
				}

				bool needFillData = false;

				if( lastBufferCount == 0 )
					needFillData = true;

				bool restored = false;
				if( !currentSound.RestoreSoundBuffers( out restored ) )
				{
					PreDetachVirtualChannel();
					DirectSoundWorld.criticalSection.Leave();
					return;
				}
				if( restored )
					needFillData = true;

				if( needFillData )
				{
					if( !currentSampleSound.FillSoundBuffersWithData() )
					{
						PreDetachVirtualChannel();
						DirectSoundWorld.criticalSection.Leave();
						return;
					}
				}
			}

			//DirectFileStreamSound, DirectDataStreamSound
			DirectFileStreamSound currentFileStreamSound = currentSound as DirectFileStreamSound;
			DirectDataStreamSound currentDataStreamSound = currentSound as DirectDataStreamSound;
			if( currentFileStreamSound != null || currentDataStreamSound != null )
			{
				int needBufferSize;

				if( currentFileStreamSound != null )
				{
					int numSamples = (int)currentFileStreamSound.vorbisFile.pcm_total( -1 );
					int channels;
					int rate;
					currentFileStreamSound.vorbisFile.get_info( -1, out channels, out rate );
					int sizeInBytes = numSamples * channels * 2;

					needBufferSize = sizeInBytes / 2;

					if( needBufferSize > 65536 * 2 )
						needBufferSize = 65536 * 2;
				}
				else
				{
					needBufferSize = currentDataStreamSound.creationBufferSize;
				}

				currentSoundBuffer = currentSound.GetBuffer( needBufferSize );
				if( currentSoundBuffer == null )
				{
					PreDetachVirtualChannel();
					DirectSoundWorld.criticalSection.Leave();
					return;
				}

				streamBuffer = (byte*)NativeUtils.Alloc( NativeMemoryAllocationType.SoundAndVideo,
					currentSound.bufferSize );
				streamBufferLength = 0;

				bool restored = false;
				if( !currentSound.RestoreSoundBuffers( out restored ) )
				{
					PreDetachVirtualChannel();
					DirectSoundWorld.criticalSection.Leave();
					return;
				}
				if( restored )
				{
					//buffer will be cleared in the BeginStreamPlay()
				}
			}

			//currentSound3DBuffer
			if( mode3d )
			{
				void*/*IDirectSound3DBuffer8*/ sound3DBuffer;

				GUID guid = DSound.IID_IDirectSound3DBuffer8;
				hr = IDirectSoundBuffer.QueryInterface( currentSoundBuffer, ref guid, &sound3DBuffer );
				if( Wrapper.FAILED( hr ) )
				{
					PreDetachVirtualChannel();
					DirectSoundWorld.Warning( "IDirectSoundBuffer.QueryInterface", hr );
					DirectSoundWorld.criticalSection.Leave();
					return;
				}
				currentSound3DBuffer = (IDirectSound3DBuffer8*)sound3DBuffer;
			}

			//update parameters
			if( mode3d )
			{
				UpdatePosition2();
				UpdateVelocity2();
			}
			else
				UpdatePan2();
			UpdatePitch2();
			UpdateVolume2();

			UpdateTime2();

			if( currentFileStreamSound != null || currentDataStreamSound != null )
				BeginStreamPlay();

			uint playFlags = 0;

			if( loop || currentFileStreamSound != null || currentDataStreamSound != null )
				playFlags |= DSound.DSBPLAY_LOOPING;

			hr = IDirectSoundBuffer.Play( currentSoundBuffer, 0, 0, playFlags );
			if( Wrapper.FAILED( hr ) )
			{
				PreDetachVirtualChannel();
				DirectSoundWorld.Warning( "IDirectSoundBuffer.Play", hr );
				DirectSoundWorld.criticalSection.Leave();
				return;
			}

			if( currentFileStreamSound != null )
				DirectSoundWorld.Instance.fileStreamRealChannels.Add( this );

			needStopVirtualChannel = false;

			DirectSoundWorld.criticalSection.Leave();
		}