/// <summary>
/// Creates outgoing audio stream of type automatically assigned and adds procedures (callback or serviceable) for consuming given audio source data.
/// Adds audio specific features (e.g. resampling, level meter) to processing pipeline and to returning stream handler.
/// </summary>
/// <param name="voiceInfo">Outgoing audio stream parameters. Set applicable fields to read them by encoder and by receiving client when voice created.</param>
/// <param name="source">Streaming audio source.</param>
/// <param name="forceShort">For audio sources producing buffers of 'float' type, creates stream of 'short' type and adds converter.</param>
/// <param name="channelId">Transport channel specific to transport. Set to VoiceClient.ChannelAuto to let transport automatically assign channel.</param>
/// <param name="encoder">Audio encoder. Set to null to use default Opus encoder.</param>
/// <returns>Outgoing stream handler.</returns>
/// <remarks>
/// voiceInfo.sourceSamplingRate and voiceInfo.SamplingRate may do not match. Automatic resampling will occur in this case.
/// </remarks>
public Voice.LocalVoice CreateLocalVoiceAudioFromSource(Voice.VoiceInfo voiceInfo, Voice.IAudioDesc source, bool forceShort = false, int channelId = ChannelAuto, IEncoder encoder = null)
{
if (source is Voice.IAudioPusher <float> )
{
if (forceShort)
{
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, channelId, encoder);
// we can safely reuse the same buffer in callbacks from native code
//
var bufferFactory = new FactoryReusableArray <float>(0);
((Voice.IAudioPusher <float>)source).SetCallback(buf => {
var shortBuf = localVoice.BufferFactory.New(buf.Length);
AudioUtil.Convert(buf, shortBuf, buf.Length);
localVoice.PushDataAsync(shortBuf);
}, bufferFactory);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, channelId, encoder);
((Voice.IAudioPusher <float>)source).SetCallback(buf => localVoice.PushDataAsync(buf), localVoice.BufferFactory);
return(localVoice);
}
}
else if (source is Voice.IAudioPusher <short> )
{
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, channelId, encoder);
((Voice.IAudioPusher <short>)source).SetCallback(buf => localVoice.PushDataAsync(buf), localVoice.BufferFactory);
return(localVoice);
}
else if (source is Voice.IAudioReader <float> )
{
if (forceShort)
{
transport.LogInfo("[PV] Creating local voice with source samples type conversion from float to short.");
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, channelId, encoder);
localVoice.LocalUserServiceable = new Voice.BufferReaderPushAdapterAsyncPoolFloatToShort(localVoice, source as Voice.IAudioReader <float>);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, channelId, encoder);
localVoice.LocalUserServiceable = new Voice.BufferReaderPushAdapterAsyncPool <float>(localVoice, source as Voice.IAudioReader <float>);
return(localVoice);
}
}
else if (source is Voice.IAudioReader <short> )
{
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, channelId, encoder);
localVoice.LocalUserServiceable = new Voice.BufferReaderPushAdapterAsyncPool <short>(localVoice, source as Voice.IAudioReader <short>);
return(localVoice);
}
else
{
transport.LogError("[PV] CreateLocalVoiceAudioFromSource does not support Voice.IAudioDesc of type {0}", source.GetType());
return(Voice.LocalVoiceAudioDummy.Dummy);
}
}
/// <summary>
/// Creates outgoing audio stream of type automatically assigned and adds procedures (callback or serviceable) for consuming given audio source data.
/// Adds audio specific features (e.g. resampling, level meter) to processing pipeline and to returning stream handler.
/// </summary>
/// <param name="voiceInfo">Outgoing audio stream parameters. Set applicable fields to read them by encoder and by receiving client when voice created.</param>
/// <param name="source">Streaming audio source.</param>
/// <param name="sampleType">Voice's audio sample type. If does not match source audio sample type, conversion will occur.</param>
/// <param name="channelId">Transport channel specific to transport.</param>
/// <param name="encoder">Audio encoder. Set to null to use default Opus encoder.</param>
/// <returns>Outgoing stream handler.</returns>
/// <remarks>
/// audioSourceDesc.SamplingRate and voiceInfo.SamplingRate may do not match. Automatic resampling will occur in this case.
/// </remarks>
public LocalVoice CreateLocalVoiceAudioFromSource(VoiceInfo voiceInfo, IAudioDesc source, AudioSampleType sampleType, IEncoder encoder = null, int channelId = 0)
{
// resolve AudioSampleType.Source to concrete type for encoder creation
if (sampleType == AudioSampleType.Source)
{
if (source is IAudioPusher <float> || source is IAudioReader <float> )
{
sampleType = AudioSampleType.Float;
}
else if (source is IAudioPusher <short> || source is IAudioReader <short> )
{
sampleType = AudioSampleType.Short;
}
}
if (encoder == null)
{
switch (sampleType)
{
case AudioSampleType.Float:
encoder = Platform.CreateDefaultAudioEncoder <float>(transport, voiceInfo);
break;
case AudioSampleType.Short:
encoder = Platform.CreateDefaultAudioEncoder <short>(transport, voiceInfo);
break;
}
}
if (source is IAudioPusher <float> )
{
if (sampleType == AudioSampleType.Short)
{
transport.LogInfo("[PV] Creating local voice with source samples type conversion from IAudioPusher float to short.");
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, source, encoder, channelId);
// we can safely reuse the same buffer in callbacks from native code
//
var bufferFactory = new FactoryReusableArray <float>(0);
((IAudioPusher <float>)source).SetCallback(buf => {
var shortBuf = localVoice.BufferFactory.New(buf.Length);
AudioUtil.Convert(buf, shortBuf, buf.Length);
localVoice.PushDataAsync(shortBuf);
}, bufferFactory);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, source, encoder, channelId);
((IAudioPusher <float>)source).SetCallback(buf => localVoice.PushDataAsync(buf), localVoice.BufferFactory);
return(localVoice);
}
}
else if (source is IAudioPusher <short> )
{
if (sampleType == AudioSampleType.Float)
{
transport.LogInfo("[PV] Creating local voice with source samples type conversion from IAudioPusher short to float.");
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, source, encoder, channelId);
// we can safely reuse the same buffer in callbacks from native code
//
var bufferFactory = new FactoryReusableArray <short>(0);
((IAudioPusher <short>)source).SetCallback(buf =>
{
var floatBuf = localVoice.BufferFactory.New(buf.Length);
AudioUtil.Convert(buf, floatBuf, buf.Length);
localVoice.PushDataAsync(floatBuf);
}, bufferFactory);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, source, encoder, channelId);
((IAudioPusher <short>)source).SetCallback(buf => localVoice.PushDataAsync(buf), localVoice.BufferFactory);
return(localVoice);
}
}
else if (source is IAudioReader <float> )
{
if (sampleType == AudioSampleType.Short)
{
transport.LogInfo("[PV] Creating local voice with source samples type conversion from IAudioReader float to short.");
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, source, encoder, channelId);
localVoice.LocalUserServiceable = new BufferReaderPushAdapterAsyncPoolFloatToShort(localVoice, source as IAudioReader <float>);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, source, encoder, channelId);
localVoice.LocalUserServiceable = new BufferReaderPushAdapterAsyncPool <float>(localVoice, source as IAudioReader <float>);
return(localVoice);
}
}
else if (source is IAudioReader <short> )
{
if (sampleType == AudioSampleType.Float)
{
transport.LogInfo("[PV] Creating local voice with source samples type conversion from IAudioReader short to float.");
var localVoice = CreateLocalVoiceAudio <float>(voiceInfo, source, encoder, channelId);
localVoice.LocalUserServiceable = new BufferReaderPushAdapterAsyncPoolShortToFloat(localVoice, source as IAudioReader <short>);
return(localVoice);
}
else
{
var localVoice = CreateLocalVoiceAudio <short>(voiceInfo, source, encoder, channelId);
localVoice.LocalUserServiceable = new BufferReaderPushAdapterAsyncPool <short>(localVoice, source as IAudioReader <short>);
return(localVoice);
}
}
else
{
transport.LogError("[PV] CreateLocalVoiceAudioFromSource does not support Voice.IAudioDesc of type {0}", source.GetType());
return(LocalVoiceAudioDummy.Dummy);
}
}
