diff options
| -rw-r--r-- | MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs | 3 | ||||
| -rw-r--r-- | MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs | 31 | ||||
| -rw-r--r-- | MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs | 19 |
3 files changed, 51 insertions, 2 deletions
diff --git a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs index b175dc403..98351377e 100644 --- a/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs +++ b/MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs @@ -120,7 +120,8 @@ namespace MediaBrowser.Controller.MediaEncoding private static readonly Dictionary<string, string> _mjpegCodecMap = new(StringComparer.OrdinalIgnoreCase) { { "vaapi", _defaultMjpegEncoder + "_vaapi" }, - { "qsv", _defaultMjpegEncoder + "_qsv" } + { "qsv", _defaultMjpegEncoder + "_qsv" }, + { "videotoolbox", _defaultMjpegEncoder + "_videotoolbox" } }; public static readonly string[] LosslessAudioCodecs = new string[] diff --git a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs index 06e2d3783..a865b0e4c 100644 --- a/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs +++ b/MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs @@ -95,6 +95,7 @@ namespace MediaBrowser.MediaEncoding.Encoder "h264_v4l2m2m", "h264_videotoolbox", "hevc_videotoolbox", + "mjpeg_videotoolbox", "h264_rkmpp", "hevc_rkmpp" }; @@ -500,6 +501,11 @@ namespace MediaBrowser.MediaEncoding.Encoder return output.Contains(keyDesc, StringComparison.Ordinal); } + public bool CheckSupportedHwaccelFlag(string flag) + { + return !string.IsNullOrEmpty(flag) && GetProcessExitCode(_encoderPath, $"-loglevel quiet -hwaccel_flags +{flag} -hide_banner -f lavfi -i nullsrc=s=1x1:d=100 -f null -"); + } + private IEnumerable<string> GetCodecs(Codec codec) { string codecstr = codec == Codec.Encoder ? "encoders" : "decoders"; @@ -605,6 +611,31 @@ namespace MediaBrowser.MediaEncoding.Encoder } } + private bool GetProcessExitCode(string path, string arguments) + { + using var process = new Process(); + process.StartInfo = new ProcessStartInfo(path, arguments) + { + CreateNoWindow = true, + UseShellExecute = false, + WindowStyle = ProcessWindowStyle.Hidden, + ErrorDialog = false + }; + _logger.LogDebug("Running {Path} {Arguments}", path, arguments); + + try + { + process.Start(); + process.WaitForExit(); + return process.ExitCode == 0; + } + catch (Exception ex) + { + _logger.LogError("Running {Path} {Arguments} failed with exception {Exception}", path, arguments, ex.Message); + return false; + } + } + [GeneratedRegex("^\\s\\S{6}\\s(?<codec>[\\w|-]+)\\s+.+$", RegexOptions.Multiline)] private static partial Regex CodecRegex(); diff --git a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs index de1b65482..e7e48d6d8 100644 --- a/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs +++ b/MediaBrowser.MediaEncoding/Encoder/MediaEncoder.cs @@ -74,6 +74,7 @@ namespace MediaBrowser.MediaEncoding.Encoder private IDictionary<int, bool> _filtersWithOption = new Dictionary<int, bool>(); private bool _isPkeyPauseSupported = false; + private bool _isLowPriorityHwDecodeSupported = false; private bool _isVaapiDeviceAmd = false; private bool _isVaapiDeviceInteliHD = false; @@ -194,6 +195,7 @@ namespace MediaBrowser.MediaEncoding.Encoder _threads = EncodingHelper.GetNumberOfThreads(null, options, null); _isPkeyPauseSupported = validator.CheckSupportedRuntimeKey("p pause transcoding"); + _isLowPriorityHwDecodeSupported = validator.CheckSupportedHwaccelFlag("low_priority"); // Check the Vaapi device vendor if (OperatingSystem.IsLinux() @@ -884,6 +886,12 @@ namespace MediaBrowser.MediaEncoding.Encoder inputArg = "-threads " + threads + " " + inputArg; // HW accel args set a different input thread count, only set if disabled } + if (options.HardwareAccelerationType.Contains("videotoolbox", StringComparison.OrdinalIgnoreCase) && _isLowPriorityHwDecodeSupported) + { + // VideoToolbox supports low priority decoding, which is useful for trickplay + inputArg = "-hwaccel_flags +low_priority " + inputArg; + } + if (enableKeyFrameOnlyExtraction) { inputArg = "-skip_frame nokey " + inputArg; @@ -921,6 +929,14 @@ namespace MediaBrowser.MediaEncoding.Encoder encoderQuality = (100 - ((qualityScale - 1) * (100 / 30))) / 118; } + if (vidEncoder.Contains("videotoolbox", StringComparison.OrdinalIgnoreCase)) + { + // videotoolbox's mjpeg encoder uses jpeg quality scaled to QP2LAMBDA (118) instead of ffmpeg defined qscale + // ffmpeg qscale is a value from 1-31, with 1 being best quality and 31 being worst + // jpeg quality is a value from 0-100, with 0 being worst quality and 100 being best + encoderQuality = 118 - ((qualityScale - 1) * (118 / 30)); + } + // Output arguments var targetDirectory = Path.Combine(_configurationManager.ApplicationPaths.TempDirectory, Guid.NewGuid().ToString("N")); Directory.CreateDirectory(targetDirectory); @@ -929,12 +945,13 @@ namespace MediaBrowser.MediaEncoding.Encoder // Final command arguments var args = string.Format( CultureInfo.InvariantCulture, - "-loglevel error {0} -an -sn {1} -threads {2} -c:v {3} {4}-f {5} \"{6}\"", + "-loglevel error {0} -an -sn {1} -threads {2} -c:v {3} {4}{5}-f {6} \"{7}\"", inputArg, filterParam, outputThreads.GetValueOrDefault(_threads), vidEncoder, qualityScale.HasValue ? "-qscale:v " + encoderQuality.Value.ToString(CultureInfo.InvariantCulture) + " " : string.Empty, + vidEncoder.Contains("videotoolbox", StringComparison.InvariantCultureIgnoreCase) ? "-allow_sw 1 " : string.Empty, // allow_sw fallback for some intel macs "image2", outputPath); |