MFormats SDK（英語版） リリース

Medialooksオーディオ＆ビデオツールActiveX/COM コンポーネント.NETWindows DLL
バージョン v2.11.x (2025年12月3日)

各リリースの最新情報を、機能・強化・解決済みの課題の詳細とともに確認しましょう。

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MFormats SDK v2.11.0.14442メジャーバージョン2025年12月3日
機能
  • Common:
    • Added the ability to use afilter/vfilter in MFormats.
    • Added the ability to create a frame from OpenGL texture.
    • Added HDR metadata encoding from SDI (BMD).
    • Added generic HDR metadata encoding support.
    • Added clone frame on pause.
    • Added MFPrint ability to get text bounding box.
    • Added additional MFPrint text parameters for tagged text.
    • Added the ability to increase rectangle border thickness in .EditSelectionAdd().
    • Added xMedia Converter beta implementation.
    • Added the ability to configure audio channels for WebRTC via URL.
    • Added WebRTC 2.0 external decoder disabled by default.
    • Added NDI 10-bit video support.
    • Changed NDI audio +20 dB louder to be the default.
  • File Recording and Network Streaming:
    • Added RTMP HEVC/AV1 encoding support.
    • Added mix-minus support for WebRTC.
  • Input/Output Devices:
    • Updated Blackmagic SDK to version 15.0.
    • Updated Bluefish API to version 6.6.
    • Changed BMD no_copy=false to be the default.
  • Decoding and Seeking:
    • Added elementary H.264 stream decoding.
    • Added HDR reception support for NDI.
修正
  • Common:
    • Fixed graphics overlay on pause.
    • Fixed issue where incorrect characters are shown in statistics.
    • Fixed issue with CG auto-blend where the start value is ignored on config load.
    • Fixed crash initializing AJA Kona 5 with device_sharing=false.
    • Fixed issue where MFPrint ignored text color attribute.
    • Fixed issue regarding incorrect metadata during MXF/GXF transwrapping.
    • Fixed Blackmagic Fill/Key synchronization, added hardware timestamp.
    • Fixed stutter on progressive input at the start of recorded files.
    • Fixed MLive and Placebo vfilters memory leak.
    • Fixed incorrect transparency in CPU (gpu_pipeline=false) mode.
    • Fixed crash during long playlist playback in Playlist Sample.
    • Fixed issue where internal preview behaves differently in DX9 and DX11.
    • Fixed issue where preview surface is not cleared/released after ObjectClose.
    • Fixed issue where D3DImage is created with inconsistent sizes in WPF preview.
    • Fixed issue where PNG overlay shows white line.
    • Fixed CPU to GPU conversion failure in MFConvert.
    • Fixed issue where transparency becomes grey in specific regions in CPU mode.
    • Fixed incorrect fallback logic with new NVIDIA SDK and older drivers.
    • Fixed issue where CG video items are not playing in accelerated mode.
    • Fixed issue where NDI to SDI alpha channel is lost.
  • File Recording and Network Streaming:
    • Fixed MWriter crash on SchedulerRemoveByIndex().
    • Fixed WriterNameGet hanging during SRT streaming.
    • Fixed random SRT streaming crashes.
    • Fixed KLV processing via named pipe.
    • Fixed CRC32 error on SCTE-35 insertion; added option to skip alignment stuffing.
    • Fixed issue where MFWriter duplicated first audio channel when loopback is empty.
    • Fixed MPEG-DASH writer failing when path contains non-Latin characters.
    • Fixed issue where MPTS is transcoding without re-encoding.
    • Fixed audio distortion on one receiver in mix-minus mode.
  • Input/Output Devices:
    • Fixed issue with Bluefish where SCTE-104 ANC is displayed on the wrong line.
    • Fixed issue with Bluefish where there is an extra byte in SCTE-104 ANC packet.
    • Fixed issue with AJA where SCTE-104 inserted every frame at 60p.
    • Fixed issue with AJA where properties are not updated via PropsSet().
    • Fixed issue where renderer hangs when closing NDI object.
    • Fixed issue where SDK is not working with Bluefish drivers v6.5.2.5.
  • Decoding and Seeking:
    • Fixed hang on SourceFrameGetByNumber() when video track exceeds audio track.
    • Fixed issue where Alpha files are not recognized as ARGB in GPU pipeline.
    • Fixed issue where the incorrect WPF D3DImage sizes are generated.
    • Fixed playlist freeze when file::network.open_async=true.
    • Fixed issue where PAL/NTSC conversion is incorrect with gpu_pipeline=true.
    • Fixed decoding and conversion issues in Placebo-based pipeline.
  • Plugins:
    • Fixed issue where Unreal mp:// input is producing no signal.
MFormats SDK v2.10.0.14251メジャーバージョン2025年6月4日
機能
  • Common Changes:
    • Updated FFmpeg to version 7.1.
    • Added MFDataGet("XDS") for retrieving V-Chip information.
    • Added MFormats Docker support.
    • Added VTConnect (WebRTC 2.0) to MPlatform/MFormats DLLs.
    • Added statistics for experimental.mfcodecs = false.
    • Added MFObjectASIO class to manifests.
    • Added conversion from gbrap12le to ARGB32.
    • Added check for codec_frame_rate presence.
    • Added support for passing threads parameter when opening a file.
    • Updated yt-dlp.exe.
    • Added ToneMapping (SDR to HDR) filter via libplacebo lib.
    • Updated VB.NET samples.
  • File Recording and Network Streaming:
    • Added Docker: WebRTC 1.0 / 2.0 SFU server.
    • Added MFReader: pts_time in statistics.
    • Added overlay_rms property for WebRTC.
  • Input/Output Devices:
    • Updated BMD SDK to version 14.5 (BlackMagic Driver has to be updated to 14.5).
    • Updated AJA SDK to version 17.5 (AJA x86 deprecated, AJA IP support added).
    • Updated Deltacast to version 6.28 (Deltacast x86 deprecated).
修正
  • Common Changes:
    • Fixed error receiving first frame (pause=true) from a specific file.
    • Fixed significant FPS drop when outputting to BMD with gpu_pipeline enabled.
    • Fixed full SDK version not being shown in dll-version statistics.
    • Fixed slow initialization in MFSink.
    • Fixed issues building C++ samples.
    • Removed x86 shortcuts from MFormats installer.
    • Fixed issue where WPF in MyPreview_OnEvent receives a frame wider than expected.
    • Fixed behavior of property stat::last::video_time.
    • Fixed issue where MFRenderers are not working in client's app after update.
    • Fixed issue where preview image flickers on Ross hardware.
    • Fixed issue where DX11 preview performance was worse than DX9.
    • Fixed issue where logo appears when using IMFEncoder.
    • Fixed issue where subtitles are scrambled on output.
    • Fixed issue where closed captions are not passed through (BMD SDI→SDI) in specific format (720p5994).
    • Fixed issue where a specific file plays for a second then stops (plays fine in VLC).
    • Fixed issue where trial logo randomly appears after some time on certain machines.
    • Fixed logging issues during runtime for apps using manifest file.
    • Fixed issue where sample crashes on start with DeckLink IP HD Optical.
    • Fixed issue where WPF preview flickers in gpu_pipeline=true.
    • Fixed issue where MFPrint fails when called in parallel.
  • File Recording and Network Streaming:
    • Fixed issue in MFWriter where output file is shorter after transcoding.
    • Fixed issue in MFWriter where MServer hangs on WriterNameSet (SRT streaming).
    • Fixed issue where MFWriter sometimes doesn't start.
    • Fixed WebRTC memory leak.
    • Fixed WebRTC restart stream problem (MFormats).
    • Fixed Cisco encoder performance drop in FFmpeg 7.1 (Conan 2.8.1).
    • Fixed DVB PTS_PCR errors in DVBAnalyzer and EasyICE with q264hw codec.
  • Input/Output Devices:
    • Fixed issue where MFRenderer hangs on DeviceClose with Bluefish K8 card.
    • Fixed random crash of Medialooks.Device.BMD.dll.
  • Decoding and Seeking:
    • Fixed issue where recorded video plays with stutters.
    • Fixed incorrect duration in MXF with mxf.force_ffmpeg=true.
    • Fixed high RAM and GPU memory usage after opening a file (ReaderOpen).
    • Fixed incorrect transcoding of specific MXF files.
    • Fixed issue where specific PNG image fails to open.
    • Fixed high CPU load when decoding specific file.
    • Fixed issue where mirror doesn't work with gpu_pipeline.
    • Fixed issue where decoder.convert_planar=true doesn't work with Nvidia decoder.
    • Fixed error disabling video in specific .mp4 file.
    • Fixed incorrect color conversion for interlaced video.
    • Fixed issue in GPU decoder where there were spikes in VideoDecode on ReaderClose.