/// <summary>
/// Initializes a new instance of the <see cref="AudioConfiguration"/> class.
/// </summary>
/// <param name="samplingRate">The samplingrate to use.</param>
/// <param name="format">The format to use.</param>
/// <param name="channelSetup">The channel configuration to use.</param>
public AudioConfiguration(int samplingRate, AudioSampleFormat format, AudioChannelSetup channelSetup)
{
SamplingRate = samplingRate;
Format = format;
ChannelSetup = channelSetup;
switch (Format)
{
case AudioSampleFormat.Int8: BytesPerSample = 1; break;
case AudioSampleFormat.Int16: BytesPerSample = 2; break;
case AudioSampleFormat.Int24: BytesPerSample = 3; break;
case AudioSampleFormat.Int32:
case AudioSampleFormat.Float: BytesPerSample = 4; break;
case AudioSampleFormat.Double: BytesPerSample = 8; break;
case AudioSampleFormat.Unknown: BytesPerSample = 0; break;
default: throw new NotImplementedException();
}
BytesPerTick = BytesPerSample;
ChannelSetup = channelSetup;
BytesPerTick *= (int)ChannelSetup;
}
/// <summary>Initializes a new instance of the <see cref="AudioData" /> class.</summary>
/// <param name="samplingRate">SamplingRate.</param>
/// <param name="channelSetup">Audio channel setup.</param>
/// <param name="samples">The samples.</param>
/// <param name="sampleCount">The sample count.</param>
/// <exception cref="ArgumentNullException">Buffer.</exception>
/// <exception cref="Exception"></exception>
/// <exception cref="ArgumentOutOfRangeException">ChannelSetup.</exception>
public AudioData(int samplingRate, AudioChannelSetup channelSetup, float[] samples, int sampleCount)
: base(samplingRate, AudioSampleFormat.Float, channelSetup)
{
if (samples == null)
{
throw new ArgumentNullException("samples");
}
if ((sampleCount > samples.Length) || ((sampleCount % BytesPerTick) != 0))
{
throw new Exception(string.Format("Buffer length invalid!"));
}
if (channelSetup == AudioChannelSetup.None)
{
throw new ArgumentOutOfRangeException(nameof(ChannelSetup));
}
SampleCount = sampleCount;
data = new byte[BytesPerSample * sampleCount];
Buffer.BlockCopy(samples, 0, data, 0, sampleCount * 4);
}
/// <summary>Initializes a new instance of the <see cref="AudioData"/> class.</summary>
/// <param name="samplingRate">SamplingRate.</param>
/// <param name="format">AudioSampleFormat.</param>
/// <param name="channelSetup">Audio channel setup.</param>
/// <param name="startTime">start time of the audio data.</param>
/// <param name="streamIndex">stream index.</param>
/// <param name="channelNumber">channel.</param>
/// <param name="buffer">buffer containing the sample data.</param>
public AudioData(int samplingRate, AudioSampleFormat format, AudioChannelSetup channelSetup, TimeSpan startTime, int streamIndex, int channelNumber, byte[] buffer)
: base(samplingRate, format, channelSetup)
{
if (buffer == null)
{
throw new ArgumentNullException("Buffer");
}
if ((BytesPerTick != 0) && ((buffer.Length % BytesPerTick) != 0))
{
throw new Exception(string.Format("Buffer length invalid!"));
}
if (channelSetup == AudioChannelSetup.None)
{
throw new ArgumentOutOfRangeException(nameof(ChannelSetup));
}
StreamIndex = streamIndex;
data = buffer;
StartTime = startTime;
ChannelNumber = channelNumber;
SampleCount = buffer.Length / BytesPerSample;
}
