MediaFoundation Encoderを追加

src/Beutl.Extensions.MediaFoundation/Encoding/MFEncoderInfo.cs

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+using Beutl.Media.Encoding;
+
+#if MF_BUILD_IN
+namespace Beutl.Embedding.MediaFoundation.Encoding;
+#else
+namespace Beutl.Extensions.MediaFoundation.Encoding;
+#endif
+
+public class MFEncoderInfo : IEncoderInfo
+{
+    public string Name => "Media Foundation Encoder";
+
+    public MediaWriter? Create(string file, VideoEncoderSettings videoConfig, AudioEncoderSettings audioConfig)
+    {
+        if (videoConfig is not MFVideoEncoderSettings mfVideoConfig)
+            return null;
+
+        return new MFWriter(file, mfVideoConfig, audioConfig);
+    }
+
+    public IEnumerable<string> SupportExtensions()
+    {
+        yield return ".mp4";
+        yield return ".mov";
+        yield return ".m4v";
+        yield return ".avi";
+        yield return ".wmv";
+        yield return ".sami";
+        yield return ".smi";
+        yield return ".adts";
+        yield return ".asf";
+        yield return ".3gp";
+        yield return ".3gp2";
+        yield return ".3gpp";
+    }
+
+    public VideoEncoderSettings DefaultVideoConfig() => new MFVideoEncoderSettings();
+
+    public AudioEncoderSettings DefaultAudioConfig() => new AudioEncoderSettings();
+}

src/Beutl.Extensions.MediaFoundation/Encoding/MFEncodingExtension.cs

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+using Beutl.Extensibility;
+using Beutl.Media.Encoding;
+
+#if MF_BUILD_IN
+namespace Beutl.Embedding.MediaFoundation.Encoding;
+#else
+namespace Beutl.Extensions.MediaFoundation.Encoding;
+#endif
+
+[Export]
+public class MFEncodingExtension : EncodingExtension
+{
+    public override string Name => "Media Foundation Encoder";
+
+    public override string DisplayName => "Media Foundation Encoder";
+
+    public override IEncoderInfo GetEncoderInfo() => new MFEncoderInfo();
+
+    public override void Load()
+    {
+        if (OperatingSystem.IsWindows())
+        {
+            EncoderRegistry.Register(GetEncoderInfo());
+        }
+    }
+}

src/Beutl.Extensions.MediaFoundation/Encoding/MFVideoEncoderSettings.cs

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+using Beutl.Media.Encoding;
+
+#if MF_BUILD_IN
+namespace Beutl.Embedding.MediaFoundation.Encoding;
+#else
+namespace Beutl.Extensions.MediaFoundation.Encoding;
+#endif
+
+public class MFVideoEncoderSettings : VideoEncoderSettings
+{
+    public MFVideoFormat Format { get; set; }
+}

src/Beutl.Extensions.MediaFoundation/Encoding/MFVideoFormat.cs

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+using SharpDX.MediaFoundation;
+
+#if MF_BUILD_IN
+namespace Beutl.Embedding.MediaFoundation.Encoding;
+#else
+namespace Beutl.Extensions.MediaFoundation.Encoding;
+#endif
+
+// MFVideoFormatとVideoFormatGuidsを相互に変換するクラス
+public static class MFVideoFormatExtension
+{
+    // MFVideoFormatからVideoFormatGuidsに変換する
+    public static Guid ToVideoFormatGuid(this MFVideoFormat format)
+    {
+        return format switch
+        {
+            MFVideoFormat.Wmv1 => VideoFormatGuids.Wmv1,
+            MFVideoFormat.Wmv2 => VideoFormatGuids.Wmv2,
+            MFVideoFormat.Wmv3 => VideoFormatGuids.Wmv3,
+            MFVideoFormat.Dvc => VideoFormatGuids.Dvc,
+            MFVideoFormat.Dv50 => VideoFormatGuids.Dv50,
+            MFVideoFormat.Dv25 => VideoFormatGuids.Dv25,
+            MFVideoFormat.H263 => VideoFormatGuids.H263,
+            MFVideoFormat.H264 => VideoFormatGuids.H264,
+            MFVideoFormat.H265 => VideoFormatGuids.H265,
+            MFVideoFormat.Hevc => VideoFormatGuids.Hevc,
+            MFVideoFormat.HevcEs => VideoFormatGuids.HevcEs,
+            MFVideoFormat.Vp80 => VideoFormatGuids.Vp80,
+            MFVideoFormat.Vp90 => VideoFormatGuids.Vp90,
+            MFVideoFormat.MultisampledS2 => VideoFormatGuids.MultisampledS2,
+            MFVideoFormat.M4S2 => VideoFormatGuids.M4S2,
+            MFVideoFormat.Wvc1 => VideoFormatGuids.Wvc1,
+            MFVideoFormat.P010 => VideoFormatGuids.P010,
+            MFVideoFormat.AI44 => VideoFormatGuids.AI44,
+            MFVideoFormat.Dvh1 => VideoFormatGuids.Dvh1,
+            MFVideoFormat.Dvhd => VideoFormatGuids.Dvhd,
+            MFVideoFormat.MultisampledS1 => VideoFormatGuids.MultisampledS1,
+            MFVideoFormat.Mp43 => VideoFormatGuids.Mp43,
+            MFVideoFormat.Mp4s => VideoFormatGuids.Mp4s,
+            MFVideoFormat.Mp4v => VideoFormatGuids.Mp4v,
+            MFVideoFormat.Mpg1 => VideoFormatGuids.Mpg1,
+            MFVideoFormat.Mjpg => VideoFormatGuids.Mjpg,
+            MFVideoFormat.Dvsl => VideoFormatGuids.Dvsl,
+            MFVideoFormat.YUY2 => VideoFormatGuids.YUY2,
+            MFVideoFormat.Yv12 => VideoFormatGuids.Yv12,
+            MFVideoFormat.P016 => VideoFormatGuids.P016,
+            MFVideoFormat.P210 => VideoFormatGuids.P210,
+            MFVideoFormat.P216 => VideoFormatGuids.P216,
+            MFVideoFormat.I420 => VideoFormatGuids.I420,
+            MFVideoFormat.Dvsd => VideoFormatGuids.Dvsd,
+            MFVideoFormat.Y42T => VideoFormatGuids.Y42T,
+            MFVideoFormat.NV12 => VideoFormatGuids.NV12,
+            MFVideoFormat.NV11 => VideoFormatGuids.NV11,
+            MFVideoFormat.Y210 => VideoFormatGuids.Y210,
+            MFVideoFormat.Y216 => VideoFormatGuids.Y216,
+            MFVideoFormat.Y410 => VideoFormatGuids.Y410,
+            MFVideoFormat.Y416 => VideoFormatGuids.Y416,
+            MFVideoFormat.Y41P => VideoFormatGuids.Y41P,
+            MFVideoFormat.Y41T => VideoFormatGuids.Y41T,
+            MFVideoFormat.Yvu9 => VideoFormatGuids.Yvu9,
+            MFVideoFormat.Yvyu => VideoFormatGuids.Yvyu,
+            MFVideoFormat.Iyuv => VideoFormatGuids.Iyuv,
+            _ => throw new ArgumentOutOfRangeException(nameof(format), format, null)
+        };
+    }
+}
+
+public enum MFVideoFormat
+{
+    // SharpDX.MediaFoundation.VideoFormatGuidsから作成
+    Wmv1,
+    Wmv2,
+    Wmv3,
+    Dvc,
+    Dv50,
+    Dv25,
+    H263,
+    H264,
+    H265,
+    Hevc,
+    HevcEs,
+    Vp80,
+    Vp90,
+    MultisampledS2,
+    M4S2,
+    Wvc1,
+    P010,
+    AI44,
+    Dvh1,
+    Dvhd,
+    MultisampledS1,
+    Mp43,
+    Mp4s,
+    Mp4v,
+    Mpg1,
+    Mjpg,
+    Dvsl,
+    YUY2,
+    Yv12,
+    P016,
+    P210,
+    P216,
+    I420,
+    Dvsd,
+    Y42T,
+    NV12,
+    NV11,
+    Y210,
+    Y216,
+    Y410,
+    Y416,
+    Y41P,
+    Y41T,
+    Yvu9,
+    Yvyu,
+    Iyuv
+}

src/Beutl.Extensions.MediaFoundation/Encoding/MFWriter.cs

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+using Beutl.Media;
+using Beutl.Media.Encoding;
+using Beutl.Media.Music;
+using Beutl.Media.Pixel;
+using SharpDX;
+using SharpDX.Direct3D9;
+using SharpDX.MediaFoundation;
+using SharpDX.Multimedia;
+using SharpDX.Win32;
+
+#if MF_BUILD_IN
+namespace Beutl.Embedding.MediaFoundation.Encoding;
+#else
+namespace Beutl.Extensions.MediaFoundation.Encoding;
+#endif
+
+// MediaFoundationを使用して、Bitmapから動画を作成するクラス
+public unsafe class MFWriter : MediaWriter
+{
+    private SinkWriter _sinkWriter;
+    private int _videoStreamIndex;
+
+    public MFWriter(string file, MFVideoEncoderSettings videoConfig, AudioEncoderSettings audioConfig)
+        : base(videoConfig, audioConfig)
+    {
+        // sinkwriterを初期化
+        _sinkWriter = MediaFactory.CreateSinkWriterFromURL(file, null, null);
+        _videoStreamIndex = ConfigureVideoEncoder(videoConfig);
+
+        _sinkWriter.BeginWriting();
+    }
+
+    // IMFMediaTypeを作成
+    private static MediaType CreateMediaTypeFromSubtype(Guid subtype, int width, int height, double rate)
+    {
+        var mediaType = new MediaType();
+        mediaType.Set(MediaTypeAttributeKeys.MajorType, MediaTypeGuids.Video);
+        mediaType.Set(MediaTypeAttributeKeys.Subtype, subtype);
+        mediaType.Set(MediaTypeAttributeKeys.InterlaceMode, (int)VideoInterlaceMode.Progressive);
+        mediaType.Set(MediaTypeAttributeKeys.FrameSize, ((long)width << 32) | (uint)height);
+        mediaType.Set(MediaTypeAttributeKeys.FrameRate, ((long)(int)(rate * 10000000) << 32 | 10000000));
+        return mediaType;
+    }
+
+    // ConfigureVideoEncoder
+    private int ConfigureVideoEncoder(MFVideoEncoderSettings videoConfig)
+    {
+        using var outputType = CreateMediaTypeFromSubtype(
+            videoConfig.Format.ToVideoFormatGuid(),
+            videoConfig.DestinationSize.Width,
+            videoConfig.DestinationSize.Height,
+            videoConfig.FrameRate.ToDouble());
+        outputType.Set(MediaTypeAttributeKeys.AvgBitrate, videoConfig.Bitrate);
+        _sinkWriter.AddStream(outputType, out int streamIndex);
+
+        // InputType
+        using var inputType = CreateMediaTypeFromSubtype(
+            VideoFormatGuids.Argb32,
+            videoConfig.SourceSize.Width,
+            videoConfig.SourceSize.Height,
+            videoConfig.FrameRate.ToDouble());
+        _sinkWriter.SetInputMediaType(streamIndex, inputType, null);
+
+        return streamIndex;
+    }
+
+    public override long NumberOfFrames { get; }
+
+    public override long NumberOfSamples { get; }
+
+    public override bool AddVideo(IBitmap image)
+    {
+        bool requireDispose = false;
+
+        if (image is not Bitmap<Bgra8888>)
+        {
+            image = image.Convert<Bgra8888>();
+            requireDispose = true;
+        }
+
+        try
+        {
+            using var buffer = MediaFactory.CreateMemoryBuffer(image.ByteCount);
+            IntPtr ptr = buffer.Lock(out _, out _);
+            Buffer.MemoryCopy((void*)image.Data, (void*)ptr, image.ByteCount, image.ByteCount);
+            buffer.Unlock();
+            buffer.CurrentLength = image.ByteCount;
+
+            using var sample = MediaFactory.CreateSample();
+            sample.AddBuffer(buffer);
+
+            _sinkWriter.WriteSample(_videoStreamIndex, sample);
+
+            return true;
+        }
+        finally
+        {
+            if (requireDispose)
+                image.Dispose();
+        }
+    }
+
+    public override bool AddAudio(IPcm sound)
+    {
+        return false;
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        _sinkWriter.Finalize();
+        _sinkWriter.Dispose();
+    }
+}