diff options
| -rw-r--r-- | MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs | 59 |
1 files changed, 35 insertions, 24 deletions
diff --git a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs index 48a0654bb..f7a1581a7 100644 --- a/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs +++ b/MediaBrowser.MediaEncoding/Attachments/AttachmentExtractor.cs @@ -115,7 +115,6 @@ namespace MediaBrowser.MediaEncoding.Attachments await ExtractAllAttachmentsInternal( inputFile, mediaSource, - false, cancellationToken).ConfigureAwait(false); } } @@ -123,7 +122,6 @@ namespace MediaBrowser.MediaEncoding.Attachments private async Task ExtractAllAttachmentsInternal( string inputFile, MediaSourceInfo mediaSource, - bool isExternal, CancellationToken cancellationToken) { var inputPath = _mediaEncoder.GetInputArgument(inputFile, mediaSource); @@ -142,11 +140,19 @@ namespace MediaBrowser.MediaEncoding.Attachments return; } + // Files without video/audio streams (e.g. MKS subtitle files) don't need a dummy + // output since there are no streams to process. Omit "-t 0 -f null null" so ffmpeg + // doesn't fail trying to open an output with no streams. It will exit with code 1 + // ("at least one output file must be specified") which is expected and harmless + // since we only need the -dump_attachment side effect. + var hasVideoOrAudioStream = mediaSource.MediaStreams + .Any(s => s.Type == MediaStreamType.Video || s.Type == MediaStreamType.Audio); var processArgs = string.Format( CultureInfo.InvariantCulture, - "-dump_attachment:t \"\" -y {0} -i {1} -t 0 -f null null", + "-dump_attachment:t \"\" -y {0} -i {1} {2}", inputPath.EndsWith(".concat\"", StringComparison.OrdinalIgnoreCase) ? "-f concat -safe 0" : string.Empty, - inputPath); + inputPath, + hasVideoOrAudioStream ? "-t 0 -f null null" : string.Empty); int exitCode; @@ -185,12 +191,7 @@ namespace MediaBrowser.MediaEncoding.Attachments if (exitCode != 0) { - if (isExternal && exitCode == 1) - { - // ffmpeg returns exitCode 1 because there is no video or audio stream - // this can be ignored - } - else + if (hasVideoOrAudioStream || exitCode != 1) { failed = true; @@ -205,7 +206,8 @@ namespace MediaBrowser.MediaEncoding.Attachments } } } - else if (!Directory.Exists(outputFolder)) + + if (!failed && !Directory.Exists(outputFolder)) { failed = true; } @@ -246,6 +248,7 @@ namespace MediaBrowser.MediaEncoding.Attachments { await ExtractAttachmentInternal( _mediaEncoder.GetInputArgument(inputFile, mediaSource), + mediaSource, mediaAttachment.Index, attachmentPath, cancellationToken).ConfigureAwait(false); @@ -257,6 +260,7 @@ namespace MediaBrowser.MediaEncoding.Attachments private async Task ExtractAttachmentInternal( string inputPath, + MediaSourceInfo mediaSource, int attachmentStreamIndex, string outputPath, CancellationToken cancellationToken) @@ -267,12 +271,15 @@ namespace MediaBrowser.MediaEncoding.Attachments Directory.CreateDirectory(Path.GetDirectoryName(outputPath) ?? throw new ArgumentException("Path can't be a root directory.", nameof(outputPath))); + var hasVideoOrAudioStream = mediaSource.MediaStreams + .Any(s => s.Type == MediaStreamType.Video || s.Type == MediaStreamType.Audio); var processArgs = string.Format( CultureInfo.InvariantCulture, - "-dump_attachment:{1} \"{2}\" -i {0} -t 0 -f null null", + "-dump_attachment:{1} \"{2}\" -i {0} {3}", inputPath, attachmentStreamIndex, - EncodingUtils.NormalizePath(outputPath)); + EncodingUtils.NormalizePath(outputPath), + hasVideoOrAudioStream ? "-t 0 -f null null" : string.Empty); int exitCode; @@ -310,22 +317,26 @@ namespace MediaBrowser.MediaEncoding.Attachments if (exitCode != 0) { - failed = true; - - _logger.LogWarning("Deleting extracted attachment {Path} due to failure: {ExitCode}", outputPath, exitCode); - try + if (hasVideoOrAudioStream || exitCode != 1) { - if (File.Exists(outputPath)) + failed = true; + + _logger.LogWarning("Deleting extracted attachment {Path} due to failure: {ExitCode}", outputPath, exitCode); + try { - _fileSystem.DeleteFile(outputPath); + if (File.Exists(outputPath)) + { + _fileSystem.DeleteFile(outputPath); + } + } + catch (IOException ex) + { + _logger.LogError(ex, "Error deleting extracted attachment {Path}", outputPath); } - } - catch (IOException ex) - { - _logger.LogError(ex, "Error deleting extracted attachment {Path}", outputPath); } } - else if (!File.Exists(outputPath)) + + if (!failed && !File.Exists(outputPath)) { failed = true; } |