public async Task <ActionResult> Settings(VideoCdnSettings settings)
{
var keyDictionary = _settingsService.Settings.TokenKeys; // save
_settingsService.Settings = settings; // assign new
_settingsService.Settings.TokenKeys = keyDictionary; // restore keys
await _settingsService.Save();
return(Ok());
}
/// <summary>
/// Builds the ffmpeg arguments for encoding a video to H264 multi res (360p, 480p, 720p & 1080p) files
/// </summary>
/// <param name="fileName">The original file path</param>
/// <param name="dataPath">The destination folder (a sub folder will be created by the provided file name)</param>
/// <returns>The arguments for ffmpeg</returns>
public static async Task <string> BuildEncodingArgs(string fileName, VideoServerOptions options,
VideoCdnSettings settings)
{
var fileNameWithoutExtension = Path.GetFileNameWithoutExtension(fileName);
string fullPath = Path.Combine(options.TempFilePath, fileName);
var destinationDir = Path.Combine(options.DataPath, fileNameWithoutExtension);
if (Directory.Exists(destinationDir))
{
Directory.Delete(destinationDir, true);
}
Directory.CreateDirectory(destinationDir);
var videoCodec = options.VideoH264Codec switch
{
H264Codecs.h264 => VideoCodec.h264,
H264Codecs.h264_nvenc => VideoCodec.h264_nvenc,
H264Codecs.h264_cuvid => VideoCodec.h264_cuvid,
_ => throw new NotImplementedException(),
};
// TODO: check hardware acceleration
var info = await FFmpeg.GetMediaInfo(fullPath);
string args = $"-threads {options.ThreadsPerStream} -i \"{fullPath}\" ";
var audio = info.AudioStreams.FirstOrDefault()
?.SetCodec(AudioCodec.aac);
if (settings.Encode360p)
{
var video360 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Nhd);
args += GetOutputArgs(video360, audio, "360", destinationDir, options.ThreadsPerStream);
}
if (settings.Encode480p)
{
var video480 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Hd480);
args += GetOutputArgs(video480, audio, "480", destinationDir, options.ThreadsPerStream);
}
if (settings.Encode720p)
{
var video720 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Hd720);
args += GetOutputArgs(video720, audio, "720", destinationDir, options.ThreadsPerStream);
}
if (settings.Encode1080p)
{
var video1080 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Hd1080);
args += GetOutputArgs(video1080, audio, "1080", destinationDir, options.ThreadsPerStream);
}
if (settings.Encode2160p)
{
var video2160 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Uhd2160);
args += GetOutputArgs(video2160, audio, "2160", destinationDir, options.ThreadsPerStream);
}
if (settings.Encode4320p)
{
var video1440 = info.VideoStreams.FirstOrDefault()
?.SetCodec(videoCodec)
?.SetSize(VideoSize.Uhd4320);
args += GetOutputArgs(video1440, audio, "4320", destinationDir, options.ThreadsPerStream);
}
return(args);
}
