public async Task User_can_download_a_video_with_subtitles_into_a_single_webm_file()
{
// Arrange
var youtube = new YoutubeClient();
var outputFilePath = _tempOutputFixture.GetTempFilePath();
var streamManifest = await youtube.Videos.Streams.GetManifestAsync("YltHGKX80Y8");
var trackManifest = await youtube.Videos.ClosedCaptions.GetManifestAsync("YltHGKX80Y8");
var streamInfos = new[]
{
streamManifest.GetVideoStreams().OrderBy(s => s.Size).First(s => s.Container == Container.WebM)
};
var trackInfos = trackManifest.Tracks;
// Act
await youtube.Videos.DownloadAsync(
streamInfos,
trackInfos,
new ConversionRequestBuilder(outputFilePath)
.SetFFmpegPath(_ffmpegFixture.FilePath)
.SetContainer("webm")
.Build()
);
// Assert
MediaFormat.IsWebMFile(outputFilePath).Should().BeTrue();
foreach (var trackInfo in trackInfos)
{
FileEx.ContainsBytes(outputFilePath, Encoding.ASCII.GetBytes(trackInfo.Language.Name)).Should().BeTrue();
}
}
