// for serialization
internal void Load(Stream stream)
{
#if SILICONSTUDIO_PLATFORM_ANDROID
var virtualStream = stream as VirtualFileStream;
if (virtualStream == null)
{
throw new InvalidOperationException("Expecting VirtualFileStream. Music files needs to be stored on the virtual file system in a non-compressed form.");
}
var fileStream = virtualStream.InternalStream as FileStream;
if (fileStream == null)
{
throw new InvalidOperationException("Expecting FileStream in VirtualFileStream.InternalStream. Music files needs to be stored on the virtual file system in a non-compressed form.");
}
FileName = fileStream.Name;
StartPosition = virtualStream.StartPosition;
Length = virtualStream.Length;
#else
// Make a memory copy of the stream so that the source can be properly disposed
var memoryStream = new MemoryStream();
stream.CopyTo(memoryStream);
Stream = memoryStream;
Stream.Position = 0;
#endif
ResetStateToDefault();
Name = "SoundMusic " + soundMusicCreationCount;
AudioEngine.RegisterSound(this);
Interlocked.Increment(ref soundMusicCreationCount);
}
internal void Attach(AudioEngine engine)
{
AttachEngine(engine);
Name = "Sound Effect " + Interlocked.Add(ref soundEffectCreationCount, 1);
// register the sound to the AudioEngine so that it will be properly freed if AudioEngine is disposed before this.
AudioEngine.RegisterSound(this);
}
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);
}
/// <summary>
/// Create a dynamic sound effect instance with the given sound properties.
/// </summary>
/// <param name="engine">The engine in which the dynamicSoundEffectInstance is created</param>
/// <param name="sampleRate">Sample rate, in Hertz (Hz), of audio content. Must between 8000 Hz and 48000 Hz</param>
/// <param name="channels">Number of channels in the audio data.</param>
/// <param name="encoding">Encoding of a sound data sample</param>
/// <returns>A new DynamicSoundEffectInstance instance ready to filled with data and then played</returns>
/// <exception cref="ArgumentOutOfRangeException">This exception is thrown for one of the following reason:
/// <list type="bullet">
/// <item>The value specified for sampleRate is less than 8000 Hz or greater than 48000 Hz. </item>
/// <item>The value specified for channels is something other than mono or stereo. </item>
/// <item>The value specified for data encoding is something other than 8 or 16 bits. </item>
/// </list>
/// </exception>
/// <exception cref="ArgumentNullException"><paramref name="engine"/> is null.</exception>
public DynamicSoundEffectInstance(AudioEngine engine, int sampleRate, AudioChannels channels, AudioDataEncoding encoding)
{
AttachEngine(engine);
if (sampleRate < 8000 || 48000 < sampleRate)
{
throw new ArgumentOutOfRangeException("sampleRate");
}
if (channels != AudioChannels.Mono && channels != AudioChannels.Stereo)
{
throw new ArgumentOutOfRangeException("channels");
}
if (encoding != AudioDataEncoding.PCM_8Bits && encoding != AudioDataEncoding.PCM_16Bits)
{
throw new ArgumentOutOfRangeException("encoding");
}
waveFormat = new WaveFormat(sampleRate, (int)encoding, (int)channels);
Interlocked.Increment(ref totalNbOfInstances);
Interlocked.Increment(ref numberOfInstances);
// first instance of dynamic sound effect instance => we create the workerThead and the associated event.
if (numberOfInstances == 1)
{
instancesNeedingBuffer = new ThreadSafeQueue <DynamicSoundEffectInstance>(); // to be sure that there is no remaining request from previous sessions
awakeWorkerThread = new AutoResetEvent(false);
CreateWorkerThread();
}
Name = "Dynamic Sound Effect Instance - " + totalNbOfInstances;
CreateVoice(WaveFormat);
InitializeDynamicSound();
AudioEngine.RegisterSound(this);
ResetStateToDefault();
}
