/// <summary>Adds new encoding audio stream.</summary>
/// <param name="encoder">Encoder to be used.</param>
/// <param name="ownsEncoder">Whether encoder should be disposed with the writer.</param>
/// <returns>Newly added audio stream.</returns>
/// <remarks>
/// <para>
/// Stream is initialized to be to be encoded with the specified encoder.
/// Method <see cref="IAviAudioStream.WriteBlock"/> expects data in the same format as encoder (see encoder's docs).
/// The data is passed to the encoder and the encoded result is written to the stream.
/// </para>
/// <para>
/// The encoder defines the following properties of the stream:
/// <see cref="IAviAudioStream.ChannelCount"/>, <see cref="IAviAudioStream.SamplesPerSecond"/>,
/// <see cref="IAviAudioStream.BitsPerSample"/>, <see cref="IAviAudioStream.BytesPerSecond"/>,
/// <see cref="IAviAudioStream.Granularity"/>, <see cref="IAviAudioStream.Format"/>,
/// <see cref="IAviAudioStream.FormatSpecificData"/>.
/// These properties cannot be modified.
/// </para>
/// </remarks>
public IAviAudioStream AddEncodingAudioStream(IAudioEncoder encoder, bool ownsEncoder = true)
{
Argument.IsNotNull(encoder, nameof(encoder));
return(AddStream <IAviAudioStreamInternal>(index =>
{
var stream = new AviAudioStream(index, this, 1, 44100, 16);
var encodingStream = new EncodingAudioStreamWrapper(stream, encoder, ownsEncoder);
var asyncStream = new AsyncAudioStreamWrapper(encodingStream);
return asyncStream;
}));
}
/// <summary>Adds new encoding audio stream.</summary>
/// <param name="encoder">Encoder to be used.</param>
/// <param name="ownsEncoder">Whether encoder should be disposed with the writer.</param>
/// <returns>Newly added audio stream.</returns>
/// <remarks>
/// <para>
/// Stream is initialized to be to be encoded with the specified encoder.
/// Method <see cref="IAviAudioStream.WriteBlock"/> expects data in the same format as encoder (see encoder's docs).
/// The data is passed to the encoder and the encoded result is written to the stream.
/// </para>
/// <para>
/// The encoder defines the following properties of the stream:
/// <see cref="IAviAudioStream.ChannelCount"/>, <see cref="IAviAudioStream.SamplesPerSecond"/>,
/// <see cref="IAviAudioStream.BitsPerSample"/>, <see cref="IAviAudioStream.BytesPerSecond"/>,
/// <see cref="IAviAudioStream.Granularity"/>, <see cref="IAviAudioStream.Format"/>,
/// <see cref="IAviAudioStream.FormatSpecificData"/>.
/// These properties cannot be modified.
/// </para>
/// </remarks>
public IAviAudioStream AddEncodingAudioStream(IAudioEncoder encoder, bool ownsEncoder = true)
{
Contract.Requires(encoder != null);
Contract.Requires(Streams.Count < 100);
Contract.Ensures(Contract.Result <IAviAudioStream>() != null);
return(AddStream <IAviAudioStreamInternal>(index =>
{
var stream = new AviAudioStream(index, this, 1, 44100, 16);
var encodingStream = new EncodingAudioStreamWrapper(stream, encoder, ownsEncoder);
var asyncStream = new AsyncAudioStreamWrapper(encodingStream);
return asyncStream;
}));
}
/// <summary>Adds new audio stream.</summary>
/// <param name="channelCount">Number of channels.</param>
/// <param name="samplesPerSecond">Sample rate.</param>
/// <param name="bitsPerSample">Bits per sample (per single channel).</param>
/// <returns>Newly added audio stream.</returns>
/// <remarks>
/// Stream is initialized to be ready for uncompressed audio (PCM) with specified parameters.
/// However, properties (such as <see cref="IAviAudioStream.Format"/>) can be changed later if the stream is
/// to be fed with pre-compressed data.
/// </remarks>
public IAviAudioStream AddAudioStream(int channelCount = 1, int samplesPerSecond = 44100, int bitsPerSample = 16)
{
Argument.IsPositive(channelCount, nameof(channelCount));
Argument.IsPositive(samplesPerSecond, nameof(samplesPerSecond));
Argument.IsPositive(bitsPerSample, nameof(bitsPerSample));
Argument.Meets(bitsPerSample % 8 == 0, nameof(bitsPerSample), "A multiple of 8 is expected.");
return(AddStream <IAviAudioStreamInternal>(index =>
{
var stream = new AviAudioStream(index, this, channelCount, samplesPerSecond, bitsPerSample);
var asyncStream = new AsyncAudioStreamWrapper(stream);
return asyncStream;
}));
}
/// <summary>Adds new audio stream.</summary>
/// <param name="channelCount">Number of channels.</param>
/// <param name="samplesPerSecond">Sample rate.</param>
/// <param name="bitsPerSample">Bits per sample (per single channel).</param>
/// <returns>Newly added audio stream.</returns>
/// <remarks>
/// Stream is initialized to be ready for uncompressed audio (PCM) with specified parameters.
/// However, properties (such as <see cref="IAviAudioStream.Format"/>) can be changed later if the stream is
/// to be fed with pre-compressed data.
/// </remarks>
public IAviAudioStream AddAudioStream(int channelCount = 1, int samplesPerSecond = 44100, int bitsPerSample = 16)
{
Contract.Requires(channelCount > 0);
Contract.Requires(samplesPerSecond > 0);
Contract.Requires(bitsPerSample > 0 && (bitsPerSample % 8) == 0);
Contract.Requires(Streams.Count < 100);
Contract.Ensures(Contract.Result <IAviAudioStream>() != null);
return(AddStream <IAviAudioStreamInternal>(index =>
{
var stream = new AviAudioStream(index, this, channelCount, samplesPerSecond, bitsPerSample);
var asyncStream = new AsyncAudioStreamWrapper(stream);
return asyncStream;
}));
}