/// <summary>
/// Initializes a new instance of the <see cref="FileSegment"/> class.
/// Allow specifying an absolutely aligned (to the nearest minute) file segment.
/// Implies `FileDateBehavior.Required`.
/// NOTE: Start offset will be set to start of file, and end offset set to the end of the file.
/// </summary>
public FileSegment(
FileInfo source,
TimeAlignment alignment,
IAudioUtility utility = null,
FileDateBehavior dateBehavior = FileDateBehavior.Try)
{
Contract.Requires(source != null);
if (alignment != TimeAlignment.None)
{
Contract.Requires(
dateBehavior == FileDateBehavior.Required,
"If TimeAlignment is required, a date must be required in the filename");
}
this.dateBehavior = dateBehavior;
this.Source = source;
this.Alignment = alignment;
var fileDate = this.ParseDate(null);
var info = (utility ?? DefaultMasterAudioUtility).Info(source);
var basename = Path.GetFileNameWithoutExtension(this.Source.Name);
this.SourceMetadata = new SourceMetadata(info.Duration.Value, info.SampleRate.Value, basename, fileDate);
Contract.Ensures(this.Validate(), "FileSegment did not validate");
}
/// <summary>
/// Initializes a new instance of the <see cref="SoxSpectrogramUtility"/> class.
/// </summary>
/// <param name="audioUtility">
/// The audio utility.
/// </param>
/// <param name="soxExe">
/// The sox exe.
/// </param>
public SoxSpectrogramUtility(IAudioUtility audioUtility, FileInfo soxExe, DirectoryInfo temporaryFilesDirectory)
{
this.CheckExe(soxExe, "sox");
this.audioUtility = audioUtility;
this.soxExe = soxExe;
this.TemporaryFilesDirectory = temporaryFilesDirectory;
}
/// <summary>
/// Initializes a new instance of the <see cref="SoxSpectrogramUtility"/> class.
/// </summary>
/// <param name="audioUtility">
/// The audio utility.
/// </param>
/// <param name="soxExe">
/// The sox exe.
/// </param>
public SoxSpectrogramUtility(IAudioUtility audioUtility, FileInfo soxExe)
{
this.CheckExe(soxExe, "sox");
this.audioUtility = audioUtility;
this.soxExe = soxExe;
this.TemporaryFilesDirectory = TempFileHelper.TempDir();
}
public FileSegment(
FileInfo source,
DateTimeOffset startDate,
IAudioUtility utility = null)
{
Contract.Requires(source != null);
this.dateBehavior = FileDateBehavior.Required;
this.Source = source;
this.Alignment = TimeAlignment.None;
var fileDate = this.ParseDate(startDate);
var info = (utility ?? DefaultMasterAudioUtility).Info(source);
var basename = Path.GetFileNameWithoutExtension(this.Source.Name);
this.SourceMetadata = new SourceMetadata(info.Duration.Value, info.SampleRate.Value, basename, fileDate);
Contract.Ensures(this.Validate(), "FileSegment did not validate");
}
/// <summary>
/// Initializes a new instance of the <see cref="CustomSpectrogramUtility"/> class.
/// </summary>
/// <param name="audioUtility">
/// The audio utility.
/// </param>
public CustomSpectrogramUtility(IAudioUtility audioUtility, DirectoryInfo temporaryFilesDirectory)
{
this.audioUtility = audioUtility;
this.TemporaryFilesDirectory = temporaryFilesDirectory;
}
/// <summary>
/// Initializes a new instance of the <see cref="CustomSpectrogramUtility"/> class.
/// </summary>
/// <param name="audioUtility">
/// The audio utility.
/// </param>
public CustomSpectrogramUtility(IAudioUtility audioUtility)
{
this.audioUtility = audioUtility;
this.TemporaryFilesDirectory = TempFileHelper.TempDir();
}
private static void AssertAdvancedChannelConversionFails(string file, string mediaType, IAudioUtility utility, string otherMediaType = null, bool skipMonoCheck = false)
{
// array of channels of frequencies (expected in each channel)
var audioUtilityRequest = new AudioUtilityRequest {
Channels = new[] { 1, 2, 3, 4 }, MixDownToMono = false
};
otherMediaType = otherMediaType ?? mediaType;
Assert.ThrowsException <ChannelSelectionOperationNotImplemented>(
() =>
{
utility.Modify(
TestHelper.GetAudioFile(file),
mediaType,
TempFileHelper.NewTempFile(MediaTypes.GetExtension(otherMediaType)),
otherMediaType,
audioUtilityRequest);
});
audioUtilityRequest.MixDownToMono = true;
Assert.ThrowsException <ChannelSelectionOperationNotImplemented>(
() =>
{
utility.Modify(
TestHelper.GetAudioFile(file),
mediaType,
TempFileHelper.NewTempFile(MediaTypes.GetExtension(otherMediaType)),
otherMediaType,
audioUtilityRequest);
});
if (skipMonoCheck)
{
return;
}
audioUtilityRequest.Channels = null;
Assert.ThrowsException <ChannelSelectionOperationNotImplemented>(
() =>
{
utility.Modify(
TestHelper.GetAudioFile(file),
mediaType,
TempFileHelper.NewTempFile(MediaTypes.GetExtension(otherMediaType)),
otherMediaType,
audioUtilityRequest);
});
}
public void Setup()
{
this.audioUtility = TestHelper.GetAudioUtility();
}
