private ShaderMixinObjectId()
{
objectIdBuilder = new ObjectIdBuilder();
buffer = Marshal.AllocHGlobal(65536);
memStream = new NativeMemoryStream(buffer, 65536);
writer = new HashSerializationWriter(memStream);
writer.Context.SerializerSelector = new SerializerSelector("Default", "Hash");
}
private ShaderMixinObjectId()
{
objectIdBuilder = new ObjectIdBuilder();
buffer = Marshal.AllocHGlobal(65536);
memStream = new NativeMemoryStream(buffer, 65536);
writer = new HashSerializationWriter(memStream);
writer.Context.SerializerSelector = new SerializerSelector();
writer.Context.SerializerSelector.RegisterProfile("Default");
writer.Context.SerializerSelector.RegisterSerializer(new ParameterKeyHashSerializer());
writer.Context.SerializerSelector.RegisterSerializer(new ParameterCollectionHashSerializer());
if (parameters == null)
parameters = new ParameterCollection();
}
/// <summary>
/// Creates a in-memory binary blob as a <see cref="Blob"/> that will also be stored using the active <see cref="IOdbBackend"/>.
/// Even if <see cref="Blob"/> is new (not in the ODB), memory will be copied.
/// </summary>
/// <param name="data">The data.</param>
/// <param name="size">The size.</param>
/// <returns>The <see cref="Blob"/> containing given data, with its reference count incremented.</returns>
public Blob CreateBlob(IntPtr data, int size)
{
// Generate hash
ObjectId objectId;
var nativeMemoryStream = new NativeMemoryStream(data, size);
using (var digestStream = new DigestStream(Stream.Null))
{
nativeMemoryStream.CopyTo(digestStream);
objectId = digestStream.CurrentHash;
}
lock (LoadedBlobs)
{
var blob = Lookup(objectId);
// Blob doesn't exist yet, so let's create it and save it to ODB.
if (blob == null)
{
// Let's go back to beginning of stream after previous hash
nativeMemoryStream.Position = 0;
// Create blob
blob = new Blob(this, objectId, data, size);
blob.AddReference();
// Write to disk
backendWrite.Write(objectId, nativeMemoryStream, size, false);
// Add blob to cache
LoadedBlobs.Add(objectId, blob);
}
return blob;
}
}
internal void Load(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
if (AudioEngine.IsDisposed)
throw new ObjectDisposedException("Audio Engine");
// create a native memory stream to extract the lz4 audio stream.
nativeDataBuffer = Utilities.AllocateMemory((int)stream.Length);
var nativeStream = new NativeMemoryStream(nativeDataBuffer, stream.Length);
stream.CopyTo(nativeStream);
nativeStream.Position = 0;
var waveStreamReader = new SoundStream(nativeStream);
var waveFormat = waveStreamReader.Format;
if (waveFormat.Channels > 2)
throw new NotSupportedException("The wave file contains more than 2 data channels. Only mono and stereo formats are currently supported.");
if (waveFormat.Encoding != WaveFormatEncoding.Pcm || waveFormat.BitsPerSample != 16)
throw new NotSupportedException("The wave file audio format is not supported. Only 16bits PCM encoded formats are currently supported.");
WaveFormat = waveFormat;
WaveDataPtr = nativeDataBuffer + (int)nativeStream.Position;
WaveDataSize = (int)waveStreamReader.Length;
Name = "Sound Effect " + soundEffectCreationCount;
AdaptAudioDataImpl();
// register the sound to the AudioEngine so that it will be properly freed if AudioEngine is disposed before this.
AudioEngine.RegisterSound(this);
//create a default instance only when actually we load, previously we were creating this on demand which would result sometimes in useless creations and bugs within the editor
DefaultInstance = CreateInstance();
//copy back values we might have set before default instance creation
DefaultInstance.Pan = defaultPan;
DefaultInstance.Volume = defaultVolume;
DefaultInstance.IsLooped = defaultIsLooped;
Interlocked.Increment(ref soundEffectCreationCount);
}
internal void Load(Stream stream)
{
if (stream == null)
throw new ArgumentNullException("stream");
if (AudioEngine.IsDisposed)
throw new ObjectDisposedException("Audio Engine");
// create a native memory stream to extract the lz4 audio stream.
nativeDataBuffer = Utilities.AllocateMemory((int)stream.Length);
var nativeStream = new NativeMemoryStream(nativeDataBuffer, stream.Length);
stream.CopyTo(nativeStream);
nativeStream.Position = 0;
var waveStreamReader = new SoundStream(nativeStream);
var waveFormat = waveStreamReader.Format;
if (waveFormat.Channels > 2)
throw new NotSupportedException("The wave file contains more than 2 data channels. Only mono and stereo formats are currently supported.");
if (waveFormat.Encoding != WaveFormatEncoding.Pcm || waveFormat.BitsPerSample != 16)
throw new NotSupportedException("The wave file audio format is not supported. Only 16bits PCM encoded formats are currently supported.");
WaveFormat = waveFormat;
WaveDataPtr = nativeDataBuffer + (int)nativeStream.Position;
WaveDataSize = (int)waveStreamReader.Length;
Name = "Sound Effect " + soundEffectCreationCount;
AdaptAudioDataImpl();
// register the sound to the AudioEngine so that it will be properly freed if AudioEngine is disposed before this.
AudioEngine.RegisterSound(this);
Interlocked.Increment(ref soundEffectCreationCount);
}
