diff options
Diffstat (limited to 'MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs')
| -rw-r--r-- | MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs index 14cf869f9..39c0bfed4 100644 --- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs +++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs @@ -73,9 +73,11 @@ namespace MediaBrowser.MediaEncoding.Encoder private List<string> _hwaccels = new List<string>(); private List<string> _filters = new List<string>(); private IDictionary<int, bool> _filtersWithOption = new Dictionary<int, bool>(); + private IDictionary<BitStreamFilterOptionType, bool> _bitStreamFiltersWithOption = new Dictionary<BitStreamFilterOptionType, bool>(); private bool _isPkeyPauseSupported = false; private bool _isLowPriorityHwDecodeSupported = false; + private bool _proberSupportsFirstVideoFrame = false; private bool _isVaapiDeviceAmd = false; private bool _isVaapiDeviceInteliHD = false; @@ -83,6 +85,8 @@ namespace MediaBrowser.MediaEncoding.Encoder private bool _isVaapiDeviceSupportVulkanDrmModifier = false; private bool _isVaapiDeviceSupportVulkanDrmInterop = false; + private bool _isVideoToolboxAv1DecodeAvailable = false; + private static string[] _vulkanImageDrmFmtModifierExts = { "VK_EXT_image_drm_format_modifier", @@ -159,6 +163,8 @@ namespace MediaBrowser.MediaEncoding.Encoder /// <inheritdoc /> public bool IsVaapiDeviceSupportVulkanDrmInterop => _isVaapiDeviceSupportVulkanDrmInterop; + public bool IsVideoToolboxAv1DecodeAvailable => _isVideoToolboxAv1DecodeAvailable; + [GeneratedRegex(@"[^\/\\]+?(\.[^\/\\\n.]+)?$")] private static partial Regex FfprobePathRegex(); @@ -218,6 +224,7 @@ namespace MediaBrowser.MediaEncoding.Encoder SetAvailableEncoders(validator.GetEncoders()); SetAvailableFilters(validator.GetFilters()); SetAvailableFiltersWithOption(validator.GetFiltersWithOption()); + SetAvailableBitStreamFiltersWithOption(validator.GetBitStreamFiltersWithOption()); SetAvailableHwaccels(validator.GetHwaccels()); SetMediaEncoderVersion(validator); @@ -225,6 +232,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _isPkeyPauseSupported = validator.CheckSupportedRuntimeKey("p pause transcoding", _ffmpegVersion); _isLowPriorityHwDecodeSupported = validator.CheckSupportedHwaccelFlag("low_priority"); + _proberSupportsFirstVideoFrame = validator.CheckSupportedProberOption("only_first_vframe", _ffprobePath); // Check the Vaapi device vendor if (OperatingSystem.IsLinux() @@ -261,6 +269,12 @@ namespace MediaBrowser.MediaEncoding.Encoder _logger.LogInformation("VAAPI device {RenderNodePath} supports Vulkan DRM interop", options.VaapiDevice); } } + + // Check if VideoToolbox supports AV1 decode + if (OperatingSystem.IsMacOS() && SupportsHwaccel("videotoolbox")) + { + _isVideoToolboxAv1DecodeAvailable = validator.CheckIsVideoToolboxAv1DecodeAvailable(); + } } _logger.LogInformation("FFmpeg: {FfmpegPath}", _ffmpegPath ?? string.Empty); @@ -332,6 +346,11 @@ namespace MediaBrowser.MediaEncoding.Encoder _filtersWithOption = dict; } + public void SetAvailableBitStreamFiltersWithOption(IDictionary<BitStreamFilterOptionType, bool> dict) + { + _bitStreamFiltersWithOption = dict; + } + public void SetMediaEncoderVersion(EncoderValidator validator) { _ffmpegVersion = validator.GetFFmpegVersion(); @@ -372,6 +391,11 @@ namespace MediaBrowser.MediaEncoding.Encoder return false; } + public bool SupportsBitStreamFilterWithOption(BitStreamFilterOptionType option) + { + return _bitStreamFiltersWithOption.TryGetValue(option, out var val) && val; + } + public bool CanEncodeToAudioCodec(string codec) { if (string.Equals(codec, "opus", StringComparison.OrdinalIgnoreCase)) @@ -491,6 +515,12 @@ namespace MediaBrowser.MediaEncoding.Encoder var args = extractChapters ? "{0} -i {1} -threads {2} -v warning -print_format json -show_streams -show_chapters -show_format" : "{0} -i {1} -threads {2} -v warning -print_format json -show_streams -show_format"; + + if (_proberSupportsFirstVideoFrame) + { + args += " -show_frames -only_first_vframe"; + } + args = string.Format(CultureInfo.InvariantCulture, args, probeSizeArgument, inputPath, _threads).Trim(); var process = new Process @@ -690,13 +720,11 @@ namespace MediaBrowser.MediaEncoding.Encoder filters.Add(scaler); - // Use ffmpeg to sample 100 (we can drop this if required using thumbnail=50 for 50 frames) frames and pick the best thumbnail. Have a fall back just in case. - // mpegts need larger batch size otherwise the corrupted thumbnail will be created. Larger batch size will lower the processing speed. + // Use ffmpeg to sample N frames and pick the best thumbnail. Have a fall back just in case. var enableThumbnail = !useTradeoff && useIFrame && !string.Equals("wtv", container, StringComparison.OrdinalIgnoreCase); if (enableThumbnail) { - var useLargerBatchSize = string.Equals("mpegts", container, StringComparison.OrdinalIgnoreCase); - filters.Add("thumbnail=n=" + (useLargerBatchSize ? "50" : "24")); + filters.Add("thumbnail=n=24"); } // Use SW tonemap on HDR video stream only when the zscale or tonemapx filter is available. @@ -720,14 +748,26 @@ namespace MediaBrowser.MediaEncoding.Encoder var vf = string.Join(',', filters); var mapArg = imageStreamIndex.HasValue ? (" -map 0:" + imageStreamIndex.Value.ToString(CultureInfo.InvariantCulture)) : string.Empty; - var args = string.Format(CultureInfo.InvariantCulture, "-i {0}{3} -threads {4} -v quiet -vframes 1 -vf {2}{5} -f image2 \"{1}\"", inputPath, tempExtractPath, vf, mapArg, _threads, isAudio ? string.Empty : GetImageResolutionParameter()); + var args = string.Format( + CultureInfo.InvariantCulture, + "-i {0}{1} -threads {2} -v quiet -vframes 1 -vf {3}{4}{5} -f image2 \"{6}\"", + inputPath, + mapArg, + _threads, + vf, + isAudio ? string.Empty : GetImageResolutionParameter(), + EncodingHelper.GetVideoSyncOption("0", EncoderVersion).Trim(), // passthrough timestamp + tempExtractPath); if (offset.HasValue) { args = string.Format(CultureInfo.InvariantCulture, "-ss {0} ", GetTimeParameter(offset.Value)) + args; } - if (useIFrame && useTradeoff) + // The mpegts demuxer cannot seek to keyframes, so we have to let the + // decoder discard non-keyframes, which may contain corrupted images. + var seekMpegTs = offset.HasValue && string.Equals("mpegts", container, StringComparison.OrdinalIgnoreCase); + if ((useIFrame && useTradeoff) || seekMpegTs) { args = "-skip_frame nokey " + args; } |