private List<string> GetDecoders(string ffmpegPath)
{
string output = string.Empty;
try
{
output = GetFFMpegOutput(ffmpegPath, "-decoders");
}
catch
{
}
var found = new List<string>();
var required = new[]
{
"h264_qsv",
"mpeg2_qsv",
"vc1_qsv"
};
foreach (var codec in required)
{
var srch = " " + codec + " ";
if (output.IndexOf(srch, StringComparison.OrdinalIgnoreCase) == -1)
{
_logger.Warn("ffmpeg is missing decoder " + codec);
}
else
{
found.Add(codec);
}
}
return found;
}
private List<string> GetEncoders(string ffmpegPath)
{
string output = null;
try
{
output = GetFFMpegOutput(ffmpegPath, "-encoders");
}
catch
{
}
var found = new List<string>();
var required = new[]
{
"libx264",
"libx265",
"mpeg4",
"msmpeg4",
"libvpx",
//"libvpx-vp9",
"aac",
"ac3",
"libmp3lame",
"libvorbis",
"srt"
};
foreach (var codec in required)
{
var srch = " " + codec + " ";
if (output.IndexOf(srch, StringComparison.OrdinalIgnoreCase) == -1)
{
_logger.Warn("ffmpeg is missing encoder " + codec);
}
else
{
found.Add(codec);
}
}
return found;
}
private async Task<SubtitleResponse> GetSubtitlesInternal(string id,
SubtitleOptions options,
CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentNullException("id");
}
if (_dailyDownloadCount >= MaxDownloadsPerDay &&
!options.IsOpenSubtitleVipAccount)
{
throw new InvalidOperationException("Open Subtitle's daily download limit has been exceeded. Please try again tomorrow.");
}
var idParts = id.Split(new[] { '-' }, 3);
var format = idParts[0];
var language = idParts[1];
var ossId = idParts[2];
var downloadsList = new[] { int.Parse(ossId, _usCulture) };
await Login(cancellationToken).ConfigureAwait(false);
var resultDownLoad = await OpenSubtitles.DownloadSubtitlesAsync(downloadsList, cancellationToken).ConfigureAwait(false);
if (!(resultDownLoad is MethodResponseSubtitleDownload))
{
throw new ApplicationException("Invalid response type");
}
var results = ((MethodResponseSubtitleDownload)resultDownLoad).Results;
if (results.Count == 0)
{
var msg = string.Format("Subtitle with Id {0} was not found. Name: {1}. Status: {2}. Message: {3}",
ossId,
resultDownLoad.Name ?? string.Empty,
resultDownLoad.Message ?? string.Empty,
resultDownLoad.Status ?? string.Empty);
throw new ResourceNotFoundException(msg);
}
var data = Convert.FromBase64String(results.First().Data);
return new SubtitleResponse
{
Format = format,
Language = language,
Stream = new MemoryStream(Utilities.Decompress(new MemoryStream(data)))
};
}
private string GetInputPathArgument(EncodingJob job)
{
var protocol = job.InputProtocol;
var inputPath = new[] { job.MediaPath };
if (job.IsInputVideo)
{
if (!(job.VideoType == VideoType.Iso && job.IsoMount == null))
{
inputPath = MediaEncoderHelpers.GetInputArgument(FileSystem, job.MediaPath, job.InputProtocol, job.IsoMount, job.PlayableStreamFileNames);
}
}
return MediaEncoder.GetInputArgument(inputPath, protocol);
}
private async Task<SubtitleResponse> GetSubtitlesInternal(string id,
SubtitleOptions options,
CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(id))
{
throw new ArgumentNullException("id");
}
var idParts = id.Split(new[] { '-' }, 3);
var format = idParts[0];
var language = idParts[1];
var ossId = idParts[2];
var downloadsList = new[] { int.Parse(ossId, _usCulture) };
await Login(cancellationToken).ConfigureAwait(false);
if ((DateTime.UtcNow - _lastRateLimitException).TotalHours < 1)
{
throw new ApplicationException("OpenSubtitles rate limit reached");
}
var resultDownLoad = await OpenSubtitles.DownloadSubtitlesAsync(downloadsList, cancellationToken).ConfigureAwait(false);
if ((resultDownLoad.Status ?? string.Empty).IndexOf("407", StringComparison.OrdinalIgnoreCase) != -1)
{
_lastRateLimitException = DateTime.UtcNow;
throw new ApplicationException("OpenSubtitles rate limit reached");
}
if (!(resultDownLoad is MethodResponseSubtitleDownload))
{
throw new ApplicationException("Invalid response type");
}
var results = ((MethodResponseSubtitleDownload)resultDownLoad).Results;
_lastRateLimitException = DateTime.MinValue;
if (results.Count == 0)
{
var msg = string.Format("Subtitle with Id {0} was not found. Name: {1}. Status: {2}. Message: {3}",
ossId,
resultDownLoad.Name ?? string.Empty,
resultDownLoad.Status ?? string.Empty,
resultDownLoad.Message ?? string.Empty);
throw new ResourceNotFoundException(msg);
}
var data = Convert.FromBase64String(results.First().Data);
return new SubtitleResponse
{
Format = format,
Language = language,
Stream = new MemoryStream(Utilities.Decompress(new MemoryStream(data)))
};
}
private async Task<Tuple<Stream, string>> GetSubtitleStream(string itemId,
string mediaSourceId,
int subtitleStreamIndex,
CancellationToken cancellationToken)
{
var mediaSources = await _mediaSourceManager.GetPlayackMediaSources(itemId, null, false, new[] { MediaType.Audio, MediaType.Video }, cancellationToken).ConfigureAwait(false);
var mediaSource = mediaSources
.First(i => string.Equals(i.Id, mediaSourceId));
var subtitleStream = mediaSource.MediaStreams
.First(i => i.Type == MediaStreamType.Subtitle && i.Index == subtitleStreamIndex);
var inputFiles = new[] { mediaSource.Path };
if (mediaSource.VideoType.HasValue)
{
if (mediaSource.VideoType.Value == VideoType.BluRay ||
mediaSource.VideoType.Value == VideoType.Dvd)
{
var mediaSourceItem = (Video)_libraryManager.GetItemById(new Guid(mediaSourceId));
inputFiles = mediaSourceItem.GetPlayableStreamFiles().ToArray();
}
}
var fileInfo = await GetReadableFile(mediaSource.Path, inputFiles, mediaSource.Protocol, subtitleStream, cancellationToken).ConfigureAwait(false);
var stream = await GetSubtitleStream(fileInfo.Item1, fileInfo.Item2, fileInfo.Item4, cancellationToken).ConfigureAwait(false);
return new Tuple<Stream, string>(stream, fileInfo.Item3);
}
private string GetInputPathArgument(EncodingJob state)
{
var protocol = state.InputProtocol;
var mediaPath = state.MediaPath ?? string.Empty;
var inputPath = new[] { mediaPath };
if (state.IsInputVideo)
{
if (!(state.VideoType == VideoType.Iso && state.IsoMount == null))
{
inputPath = MediaEncoderHelpers.GetInputArgument(FileSystem, mediaPath, state.InputProtocol, state.IsoMount, state.PlayableStreamFileNames);
}
}
return MediaEncoder.GetInputArgument(inputPath, protocol);
}
private void ValidateCodecsFromOutput(string output)
{
var required = new[]
{
"libx264",
"mpeg4",
"msmpeg4",
"libvpx",
//"libvpx-vp9",
"aac",
"ac3",
"libmp3lame",
"libvorbis",
"srt"
};
foreach (var encoder in required)
{
var srch = " " + encoder + " ";
if (output.IndexOf(srch, StringComparison.OrdinalIgnoreCase) == -1)
{
_logger.Error("ffmpeg is missing encoder " + encoder);
//throw new ArgumentException("ffmpeg is missing encoder " + encoder);
}
}
}
