/// <inheritdoc />
public async Task DownloadVideoAsync(MediaStreamInfoSet mediaStreamInfoSet, string filePath, string format,
IProgress <double> progress = null,
CancellationToken cancellationToken = default(CancellationToken))
{
mediaStreamInfoSet.GuardNotNull(nameof(mediaStreamInfoSet));
filePath.GuardNotNull(nameof(filePath));
format.GuardNotNull(nameof(format));
var mediaStreamInfos = new List <MediaStreamInfo>();
// Get best audio stream (priority: transcoding -> bitrate)
var audioStreamInfo = mediaStreamInfoSet.Audio
.OrderByDescending(s => !IsTranscodingRequired(s.Container, format))
.ThenByDescending(s => s.Bitrate)
.FirstOrDefault();
// Add to result
mediaStreamInfos.Add(audioStreamInfo);
// If needs video - get best video stream (priority: quality -> framerate -> transcoding)
if (!IsAudioOnlyFormat(format))
{
var videoStreamInfo = mediaStreamInfoSet.Video
.OrderByDescending(s => s.VideoQuality)
.ThenByDescending(s => s.Framerate)
.ThenByDescending(s => !IsTranscodingRequired(s.Container, format))
.FirstOrDefault();
// Add to result
mediaStreamInfos.Add(videoStreamInfo);
}
// Download media streams and process them
await DownloadAndProcessMediaStreamsAsync(mediaStreamInfos, filePath, format, progress, cancellationToken);
}
/// <inheritdoc />
public async Task DownloadVideoAsync(MediaStreamInfoSet mediaStreamInfoSet, string filePath, string format,
IProgress <double> progress = null, CancellationToken cancellationToken = default)
{
mediaStreamInfoSet.GuardNotNull(nameof(mediaStreamInfoSet));
filePath.GuardNotNull(nameof(filePath));
format.GuardNotNull(nameof(format));
// Select best media stream infos based on output format
var mediaStreamInfos = GetBestMediaStreamInfos(mediaStreamInfoSet, format).ToArray();
// Download media streams and process them
await DownloadAndProcessMediaStreamsAsync(mediaStreamInfos, filePath, format, progress, cancellationToken);
}
