public static AtmosphereData Load(GraphicsDevice device, Stream stream) { var reader = new BinarySerializationReader(stream); var settings = reader.Read <AtmosphereSettings>(); long transmittanceSize = reader.ReadInt64(); long irradianceSize = reader.ReadInt64(); long inscatterSize = reader.ReadInt64(); Texture transmittance, irradiance, inscatter; var buffer = reader.ReadBytes((int)transmittanceSize); using (var data = new MemoryStream(buffer)) transmittance = Texture.Load(device, data); buffer = reader.ReadBytes((int)irradianceSize); using (var data = new MemoryStream(buffer)) irradiance = Texture.Load(device, data); buffer = reader.ReadBytes((int)inscatterSize); using (var data = new MemoryStream(buffer)) inscatter = Texture.Load(device, data); return(new AtmosphereData(settings, transmittance, irradiance, inscatter)); }
internal void LoadSoundInMemory() { if (PreloadedBuffer.Ptr != IntPtr.Zero) { return; } using (var soundStream = ContentManager.FileProvider.OpenStream(CompressedDataUrl, VirtualFileMode.Open, VirtualFileAccess.Read, VirtualFileShare.Read, StreamFlags.Seekable)) using (var decoder = new Celt(SampleRate, CompressedSoundSource.SamplesPerFrame, Channels, true)) { var reader = new BinarySerializationReader(soundStream); var samplesPerPacket = CompressedSoundSource.SamplesPerFrame * Channels; PreloadedBuffer = AudioLayer.BufferCreate(samplesPerPacket * NumberOfPackets * sizeof(short)); var memory = new UnmanagedArray <short>(samplesPerPacket * NumberOfPackets); var offset = 0; var outputBuffer = new short[samplesPerPacket]; for (var i = 0; i < NumberOfPackets; i++) { var len = reader.ReadInt16(); var compressedBuffer = reader.ReadBytes(len); var samplesDecoded = decoder.Decode(compressedBuffer, len, outputBuffer); memory.Write(outputBuffer, offset, 0, samplesDecoded * Channels); offset += samplesDecoded * Channels * sizeof(short); } AudioLayer.BufferFill(PreloadedBuffer, memory.Pointer, memory.Length * sizeof(short), SampleRate, Channels == 1); memory.Dispose(); } }
public override void Serialize(ref Sound obj, ArchiveMode mode, SerializationStream stream) { if (mode == ArchiveMode.Deserialize) { var services = stream.Context.Tags.Get(ServiceRegistry.ServiceRegistryKey); var audioEngine = services.GetServiceAs <IAudioEngineProvider>()?.AudioEngine; obj.CompressedDataUrl = stream.ReadString(); obj.SampleRate = stream.ReadInt32(); obj.Channels = stream.ReadByte(); obj.StreamFromDisk = stream.ReadBoolean(); obj.Spatialized = stream.ReadBoolean(); obj.NumberOfPackets = stream.ReadInt16(); obj.MaxPacketLength = stream.ReadInt16(); if (!obj.StreamFromDisk && audioEngine != null && audioEngine.State != AudioEngineState.Invalidated && audioEngine.State != AudioEngineState.Disposed) //immediatelly preload all the data and decode { using (var soundStream = ContentManager.FileProvider.OpenStream(obj.CompressedDataUrl, VirtualFileMode.Open, VirtualFileAccess.Read, VirtualFileShare.Read, StreamFlags.Seekable)) using (var decoder = new Celt(obj.SampleRate, CompressedSoundSource.SamplesPerFrame, obj.Channels, true)) { var reader = new BinarySerializationReader(soundStream); var samplesPerPacket = CompressedSoundSource.SamplesPerFrame * obj.Channels; obj.PreloadedBuffer = AudioLayer.BufferCreate(samplesPerPacket * obj.NumberOfPackets * sizeof(short)); var memory = new UnmanagedArray <short>(samplesPerPacket * obj.NumberOfPackets); var offset = 0; var outputBuffer = new short[samplesPerPacket]; for (var i = 0; i < obj.NumberOfPackets; i++) { var len = reader.ReadInt16(); var compressedBuffer = reader.ReadBytes(len); var samplesDecoded = decoder.Decode(compressedBuffer, len, outputBuffer); memory.Write(outputBuffer, offset, 0, samplesDecoded * obj.Channels); offset += samplesDecoded * obj.Channels * sizeof(short); } AudioLayer.BufferFill(obj.PreloadedBuffer, memory.Pointer, memory.Length * sizeof(short), obj.SampleRate, obj.Channels == 1); memory.Dispose(); } } if (audioEngine != null) { obj.Attach(audioEngine); } } else { stream.Write(obj.CompressedDataUrl); stream.Write(obj.SampleRate); stream.Write((byte)obj.Channels); stream.Write(obj.StreamFromDisk); stream.Write(obj.Spatialized); stream.Write((short)obj.NumberOfPackets); stream.Write((short)obj.MaxPacketLength); } }