public VideoDownloadOption(VideoQualityPreference quality)
{
IsPlaylist = true;
QualityPreference = quality;
Format = "";
Size = "";
Label = quality.GetDisplayName();
}
public void OnViewLoaded()
{
SelectedFormat =
!string.IsNullOrWhiteSpace(_settingsService.LastFormat) &&
AvailableFormats.Contains(_settingsService.LastFormat, StringComparer.OrdinalIgnoreCase)
? _settingsService.LastFormat
: AvailableFormats.FirstOrDefault();
SelectedVideoQualityPreference = _settingsService.LastVideoQualityPreference;
}
public static string GetDisplayName(this VideoQualityPreference preference)
{
return(preference switch
{
VideoQualityPreference.Minimum => "Minimum",
VideoQualityPreference.Low => "Low (up to 480p)",
VideoQualityPreference.Medium => "Medium (up to 720p)",
VideoQualityPreference.High => "High (up to 1080p)",
VideoQualityPreference.Maximum => "Maximum",
_ => throw new ArgumentOutOfRangeException(nameof(preference))
});
public async Task <VideoDownloadOption?> TryGetBestVideoDownloadOptionAsync(
string videoId,
string format,
VideoQualityPreference qualityPreference)
{
var options = await GetVideoDownloadOptionsAsync(videoId);
// TODO: generalize supported formats
// Short-circuit for audio-only formats
if (string.Equals(format, "mp3", StringComparison.OrdinalIgnoreCase) ||
string.Equals(format, "ogg", StringComparison.OrdinalIgnoreCase))
{
return(options.FirstOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)));
}
var orderedOptions = options
.OrderBy(o => o.Quality)
.ThenBy(o => o.Framerate)
.ToArray();
var preferredOption = qualityPreference switch
{
VideoQualityPreference.Maximum => orderedOptions
.LastOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)),
VideoQualityPreference.High => orderedOptions
.Where(o => o.Quality <= VideoQuality.High1080)
.LastOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)),
VideoQualityPreference.Medium => orderedOptions
.Where(o => o.Quality <= VideoQuality.High720)
.LastOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)),
VideoQualityPreference.Low => orderedOptions
.Where(o => o.Quality <= VideoQuality.Medium480)
.LastOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)),
VideoQualityPreference.Minimum => orderedOptions
.FirstOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)),
_ => throw new ArgumentOutOfRangeException(nameof(qualityPreference))
};
return
(preferredOption ??
orderedOptions.FirstOrDefault(o => string.Equals(o.Format, format, StringComparison.OrdinalIgnoreCase)));
}
}
public static DownloadViewModel CreateDownloadViewModel(
this IViewModelFactory factory,
Video video,
string filePath,
string format,
VideoQualityPreference qualityPreference)
{
var viewModel = factory.CreateDownloadViewModel();
viewModel.Video = video;
viewModel.FilePath = filePath;
viewModel.Format = format;
viewModel.QualityPreference = qualityPreference;
return(viewModel);
}
public static string GetDisplayName(this VideoQualityPreference preference) => preference switch
{
