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VCEEnc Release Notes

9.05

9.04

  • Fix DTS-X not being copyable.
  • Show AMF initialization failure in --check-hw.
  • Fix error during E-AC3 encode finish.
  • Add --muxer-add-cmd to write encoder options to encoding_tool in muxer metadata.
  • Extend --audio-bitrate to allow specifying bitrate per channel layout (e.g. stereo:256,5.1:640).
  • Improve log output for audio bitrate.
  • Linux: Fix GPU selection and OpenCL handling in normal encode.
  • Linux: Fix AMF/Vulkan initialization and feature detection.
  • Linux: Fix VapourSynth input reading.
  • Linux: Fix possible SIGPIPE (141) exit in multi-GPU environment.
  • Linux: Migrate build to meson.
  • Linux: Revisit event handling.
  • Update Chinese translation. ( #137 )

9.03

9.02

  • Add --fallback-bitdepth to automatically fall back to 8-bit when 10-bit encoding is not supported by any available GPU.
  • Fix H.264 encoding errors when outputting to RTMP/FLV.
  • Fix AV1 level detection returning incorrect values.
  • Update AMF to 1.5.0. Requires AMD Radeon Software Adrenalin Edition 25.10.2 or later.
  • Fix a possible freeze in VCEEnc.auo when external audio encoders receive 32-bit float audio output.
  • Fix memory leak when using --ssim, --psnr. ( #135 )

9.01

  • Improve device initialization and add more debug logs. ( #132 )
  • Improve DX11 device initialization to not detect virtual/remote adaptors.
  • Improve progress indicator when using --parallel.
  • Add support for using --parallel with multiple pipes.
  • Avoid unintended fps values when front of input file is corrupted.
  • Improve handling when input files have negative pts.
  • Improve quality of burned in subtitles in --vpp-subburn processing by changing libass initialization method.
  • Update rpm build environment to fedora41.

9.00

  • Fix -u slower not working and set to -u slow for H.264/HEVC encoding. ( #134 )
  • Add --aud, --repeat-headers. ( #133 )
  • Add feature to use filters with avcodec encoders.
    • Available with -c av_xxx Example: -c av_libsvtav1 --avcodec-prms "preset=6,crf=30,svtav1-params=enable-variance-boost=1:variance-boost-strength=2" Other usable options include av_libvvenc, av_libvpx-vp9, etc.
  • Add QSVEnc.auo2 with official support for AviUtl2.
  • Improve --vpp-subburn quality for moving subtitles.
  • Update ffmpeg libraries. (Windows)
    • ffmpeg 7.1+ (20240822) -> 8.0
    • libpng 1.6.44 -> 1.6.50
    • expat 2.6.2 -> 2.7.1
    • fribidi 1.0.11 -> 1.0.16
    • libogg 1.3.5 -> 1.3.6
    • libxml2 2.12.6 -> 2.14.5
    • libvpl 2.13.0 -> 2.15.0
    • libvpx 1.14.1 -> 1.15.2
    • dav1d 1.4.3 -> 1.5.1
    • libxxhash 0.8.2 -> 0.8.3
    • glslang 15.0.0 -> 15.4.0
    • dovi_tool 2.1.2 -> 2.3.1
    • libjpeg-turbo 2.1.0 -> 3.1.1
    • lcms2 2.16 -> 2.17
    • zimg 3.0.5 -> 3.0.6
    • libplacebo 7.349.0 -> 7.351.0
    • libsvtav1 3.1.0 (new!) x64 only
    • libvvenc 1.13.1 (new!) x64 only
    • libass 0.9.0 -> 0.17.4 (x64), 0.14.0 (x86)
    • harfbuzz 11.4.4 (new)
    • libunibreak 6.1 (new)
    • Remove mmt/tlv patch

8.38

  • Fix 10-bit processing in --vpp-afs.
  • Improve precision of --vpp-afs.
  • Updates for VCEEnc.auo (AviUtl/AviUtl2 plugin).

8.37

  • Add raw output. (-c raw)
  • Switch to sw decode when hw decode fails to start. ( #101 )

8.36

  • Fix black/white processing in 10-bit depth for --vpp-edgelevel.
  • Improve interlace detection when using --avsw.
  • Fixed an issue with --vpp-decimate where timestamp and duration of frames became incorrect due to improper handling of the final frame's timing.
  • Use thread pool to prevent unlimited OpenCL build threads.
  • Improve stability of --parallel. ( #248 )

8.35

  • Improve audio and video synchronization to achieve more uniform mixing when muxing with subtitles or data tracks.
  • Improve invalid input data hadling to avoid freeze when "failed to run h264_mp4toannexb bitstream filter" error occurs. Now properly exits with error.
  • Add support for uyvy as input color format.
  • Improve B-frame settings in AV1 encoding. ( #120 )
  • Automatically disable --parallel when number of encoders is 1 when using --parallel auto.

8.34

  • Add support for SAR (Sample Aspect Ratio) in AV1 encoding (on container side).
  • Fix B-frame QP value in AV1 encoding.

8.33

  • Update AMF to 1.4.36. Requires AMD Radeon Software Adrenalin Edition 25.1.1 or later.
  • Add slower option to (--preset) for H.264/HEVC.
  • Add parallel encoding feature with file splitting. (--parallel, Windows only)
  • Add support for ISO 639-2 T-codes in language code specification.
  • Continue processing even when DirectX11/Vulkan initialization fails.
  • Fix timestamps occasionally becoming incorrect when using --seek with certain input files.
  • Fix --qvbr not reflected properly. ( #115 )
  • Fix error when AMD GPU is not recognized as first GPU in Vulkan.

8.32

8.31

8.30

  • Fix --avsw not working in VCEEnc 8.29.

8.29

  • Fix colormatrix/colorprim/transfer/SAR not written properly when writing into container format.

8.28

  • Fix some case that audio not being able to play when writing to mkv using --audio-copy.
  • Fix colormatrix/colorprim/transfer not set properly in some cases. ( #114 )
  • Add check for --level and --max-bitrate.

8.27

  • Avoid width field in mp4 Track Header Box getting 0 when SAR is undefined.

8.26

  • Fix some of the parameters of --vpp-libplacebo-tonemapping not working properly.
  • Fix --trim being offset for a few frames when input file is a "cut" file (which does not start from key frame) and is coded using OpenGOP.

8.25

  • Fix --dolby-vision-rpu from file (not copy) corrupted from VCEEnc 8.24.

8.24

  • Update AMF to 1.4.35. Requires AMD Radeon Software Adrenalin Edition 24.9.1 or later.
  • Add support for AV1 --bframes and --adapt-minigop for upcoming VCN5 hardware.
  • Update ffmpeg libraries. (Windows)
    • ffmpeg 7.0 -> 20240822
    • dav1d 1.4.1 -> 1.4.3
    • libvpl 2.11.0 -> 2.12.0
    • libvpx 2.14.0
  • Improve auto GPU device selection on multi GPU environments. Now will be able to select unutilized GPU more correctly.
  • Now --temporal-layers can also be used for HEVC encoding. ( #112 )
  • Add Linux support for auto GPU device selection on multi GPU environments.
  • Add feature to copy Dolby Vision profile from input file. (--dolby-vision-profile copy) Supported on Windows and Ubuntu 24.04.
  • Add feature to copy Dolby Vision rpu metadata from input HEVC file. (--dolby-vision-rpu copy)
  • Now --dolby-vision-rpu and --dhdr10-info can be used together.
  • Add option to set active area offsets to 0 for dolby vision rpu metadata.
  • Fix invalid value not returning error when using --dolby-vision-profile .
  • Now --dolby-vision-rpu copy will automatically convert to dolby vision profile 8 when input files is dolby vision profile 7 using libdovi.
  • Improve AV1 output when using --dhdr10-info.
  • Changed implementation of --dhdr10-info to work on Linux. Changed to use libhdr10plus instead of hdr10plus_gen.exe.
  • Add libplacebo resize filters for Windows build (--vpp-resize).
  • Add custom shader filter using libplacebo. (--vpp-libplaceo-shader)
  • Add deband filter by libplacebo. (--vpp-libplacebo-deband)
  • Add tone mapping filter by libplacebo. (--vpp-libplacebo-tonemapping)
  • Avoid "failed to get header." error on some HEVC input files. When H.264/HEVC header cannot be extracted, it can be now retrieved from the actual data packets.
  • Fix help of --vpp-smooth showing wrong value range for qp option.
  • Fix --vpp-transform causing illegal memory access error when width or height cannot be divided by 64.
  • Fix timestamp error caused when using --vpp-afs with VFR inputs.
  • Fix seek issue caused by audio getting muxed to a different fragment than the video at the same time, due to insufficient buffer for audio mux.
  • Fix muxer error copying PGS subtitles (using --sub-copy) when the input has unsorted subtitle packets. Now is able to avoid "Application provided invalid, non monotonically increasing dts to muxer" error.
  • Fix skipframe log being shown always on. ( #112 )
  • Fix crush when aborting with Ctrl+C. ( #111 )
  • Change log behavior.

8.23

  • Update AMF to 1.4.34. Requires AMD Radeon Software Adrenalin Edition 24.6.1 or later.
  • Update to ffmpeg libs to 7.0 on Windows.
    • ffmpeg 6.1 -> 7.0
    • libpng 1.4.0 -> 1.4.3
    • expat 2.5.0 -> 2.6.2
    • opus 1.4 -> 1.5.2
    • libxml2 2.12.0 -> 2.12.6
    • dav1d 1.3.0 -> 1.4.1
    • libvpl 2.11.0 (new!)
    • nv-codec-headers 12.2.72.0 (new!)
  • Add new denoise filter (--vpp-fft3d)
  • Add new denoise filter. (--vpp-nlmeans)
  • Add new deinterlace filter. (--vpp-decomb).
  • Add per channel options to --vpp-tweak.
  • Add frame rate conversion filter. (--vpp-frc)
  • Add ignore_sar options to --output-res.
  • Add option to specify portable VapourSynth dir when using vpy reader. (--vsdir)
  • Extend --audio-resampler to take extra options.
  • Now --avsw can specify the decoder name to be used.
  • When --audio-bitrate is not specified, let codec decide it's bitrate instead of setting a default bitrate of 192kbps.
  • Improve audio channel selection when output codec does not support the same audio channels as the input audio.
  • Improve Windows language locale settings.
  • Don't process audio/subtitle/data tracks specified by --audio-bitrate or --audio-copy.
  • Improve handling of missing partial frame timestamps.
  • Slightly improve performance of --vpp-smooth and --vpp-denoise-dct.
  • Fix crush of y4m reader when width cannot be divided by 16.
  • Fix encode freezing when --avsw, --pa, --vpp-resize amf_* are used at the same time. ( #103 )
  • Fix seek issue caused by audio getting muxed to a different fragment than the video at the same time, due to insufficient buffer for audio mux. ( #109 )

8.22

  • Add new noise reduction filter. (--vpp-denoise-dct)
  • Add option to specify audio by quality. ( --audio-quality )
  • Fix spline16/36/64 resize might have crushed on some environments.
  • Fix --vpp-smooth creating artifacts when run on RDNA3 GPUs.
  • Fix --vpp-smooth strength did not match that of 8-bit output when 10-bit output.
  • Fix problem when bitrate and max-bitrate is both set to 0. ( #102 )
  • Fix debug log output of --vpp-smooth.
  • Fix debug log output of --vpp-colorspace.
  • Changed default value of --avsync from cfr to auto, which does not fit the actual situation.

8.21

  • Update windows libav* dlls.

    • ffmpeg 5.1 -> 6.1
    • libpng 1.3.9 -> 1.4.0
    • opus 1.3.1 -> 1.4
    • libsndfile 1.2.0 -> 1.2.2
    • libxml2 2.10.3 -> 2.12.0
    • dav1d 1.0.0 -> 1.3.0
    • libaribcaption 1.1.1 (new!)

  • Avoid crush from VCEEnc 8.17 on systems which does not support AVX2.

  • Improved progress display when --seek is used.

  • Fix --option-file error when target file is empty.

  • Changed --audio-delay to allow passing in decimal points.

  • Improve AAC copy handling when muxing into mpegts.

  • Remove --caption2ass. Equivalent processing can be done by --sub-codec ass#sub_type=ass,ass_single_rect=true.