public void ReadNumChannelsTest(FixtureModel model)
{
if (model.Process.ContainsKey(FixtureModel.FlacHeaderExtractor))
{
Fin <byte> channels = Flac.ReadNumChannels(model.ToTargetInformation(this.RealFileSystem).FileStream);
Assert.True(channels.IsSucc);
((byte)channels).Should().Be((byte)model.Record.Channels);
}
}
public ValueTask <Recording> ProcessFileAsync(TargetInformation information, Recording recording)
{
var samples = Flac.ReadTotalSamples(information.FileStream);
var sampleRate = Flac.ReadSampleRate(information.FileStream);
var channels = Flac.ReadNumChannels(information.FileStream);
var bitDepth = Flac.ReadBitDepth(information.FileStream);
Rational?duration = samples.IsFail || sampleRate.IsFail || (uint)sampleRate == 0 ? null : (new Rational((ulong)samples) / new Rational((uint)sampleRate));
uint? bitRate = sampleRate.IsFail || bitDepth.IsFail || channels.IsFail ? null : (uint)sampleRate * (uint)bitDepth * (uint)channels;
recording = recording with
{
DurationSeconds = recording.DurationSeconds ?? duration,
SampleRateHertz = recording.SampleRateHertz ?? (sampleRate.IsFail ? null : (uint)sampleRate),
TotalSamples = recording.TotalSamples ?? (samples.IsFail ? null : (ulong)samples),
Channels = recording.Channels ?? (channels.IsFail ? null : (byte)channels),
BitDepth = recording.BitDepth ?? (bitDepth.IsFail ? null : (byte)bitDepth),
BitsPerSecond = recording.BitsPerSecond ?? bitRate,
};
return(ValueTask.FromResult(recording));
}