Release version v2.5.0

Main update

• Add CUDA support
• Add high precision processing support (32bit float and 16bit integer)
• Add grayscale support
• Improve the performance of OpenCL processor
• Bug fixes

CLI

• Add config file support
• Add video and GIF preview support
• Adjust output information
• Optimize folder processing
• Bug fixes

GUI

• Add Traditional Chinese, French and Japanese translation (Thanks for @semmyenator)
• Allow to specify global output suffix
• Add video and GIF preview support
• Structure will be preserved when processing folders
• Support non-ASCII input
• Support parallel image processing to improve performance
• Adjust output information
• Bug fixes

VapourSynth plugin

• Support 16bit integer and 32bit float processing (YUV and RGB)
• Support grayscale input

AviSynthPlus plugin

• Support 16bit integer and 32bit float processing (YUV)
• Support grayscale input
• Provide both anonymous clip (Anime4KCPP) and manually specified clip (Anime4KCPP2) interfaces #51

DSFilter

• 10bit (P010) and 16bit (P016) support
• Improve performance for NV12 input
• Bug fixes

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Release version v2.4.0

Main update

• Improve performance.
• Add support for preserving the Alpha channel of output file as jpg jpeg and bmp (Merge alpha channel to RGB with black background).
• Fixed performance problems for some resolutions.
• Add benchmark support.
• Bug fixes.

CLI

• Adjust the format of the help message.
• Add multithreading support for directory processing.

GUI

• Fixed incorrectly warning about invalid URL when closing input dialog.
• Add support for specifying FFmpeg path.
• Allow user to specify translation file path.

DSFilter

• Add support for non integer upscaling ratio.

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Release version v2.3.0

Main update

• Add support for preserving the Alpha channel for transparent image.
• Add HDN level switching for ACNet, range from 1 to 3, higher for better denoising but may cause blur and lack of detail.
• Improve performance

CLI and GUI

• Add GIF support (treat as a video, CLI need adding -v and specifying the output suffix as gif).
• Allow processing video from URL.
• Allow non ASCII input for GUI.
• Update config for GUI.
• Bug fixes.

DSFilter

• Add resolution limit, it will not upscale if the video resolution threshold is exceeded.
• Fixed RGB format input may display weirdly.
• Add version display.

Android

• Add progress display for video processing.

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Release version v2.2.1

Main update

• Fixed weird borders in some AMD cards.
• Add DirectShow filter support, use it for real-time playback easily in most player on Windows, see how.
• AviSynthPlus and VapourSynth plugin
  • Add YUV444 input support for Anime4K09.
  • Reduce memory consumption.
  • Improve performance.
• GUI
  • Adjust Fast, Balance and Quality preset, ACNet is used by default for Balance and Quality.

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Release version v2.2.0

Main update

• Support manually specify output FPS.
• Add fast mode for ACNet.
• Improve quality for ACNet when zoomFactor is not an integral power of 2.
• CLI
  • Add progress, elapsed time and remaining time display.
  • Add output file suffix checking for video processing
• GUI
  • Add progress, elapsed time and remaining time display.
  • Support to stop and pause video processing.
  • Add icon of logo.
• AviSynthPlus plugin
  • Add all YUV 8 bit format (YUV444, YUV422 and YUV420) input support of ACNet.
  • Improve performance, now you can use it to real time playback, see how.
• VapourSynth plugin
  • Add safe mode, and default is on, it usually faster, no extra pixels (weird border #11 ), but may use more memory.
  • Add all YUV 8 bit format (YUV444, YUV422 and YUV420) input support of ACNet, need safe mode is turned on (otherwise only RGB24 and YUV444 is supported).
• Android
  • Fix GPU mode may be incorrectly reported as unsupported.
  • Change default output path (Fixed write file error in some Android 9 and Android 10 devices).
  • Add config for saving data.

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Release version v2.1.0

Main update

• Add HDN mode of ACNet for better denoise.
• Improve quality of ACNet.
• Improve performance of ACNet.
• Update the format of showing information for CLI.

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Release version v2.0.0

Main update

• New CNN based algorithm ACNet, greatly improve quality while ensuring performance, all platforms support it now!
• YUV444 input support (only for ACNet ) for VapourSynth and AviSynthPlus.
• Improve performance.
• Miscellaneous bug fixes.
• Other detail enhancements.

Release version v1.8.1

This release is for bug fixing

Main update

• Fixed the source file failed to load if the path contains non-ascii characters for CLI. #12
• Fixed the check of illegal parameter of VapourSynth plugin.
• Add the check of RGB24 input of VapourSynth plugin. #11
• Add more detailed example code for VapourSynth plugin package.

AviSynthPlus plugin supports

Anime4KCPP now experimentally supports AviSynthPlus plugin, please help to test it.

Release version v1.8.0

Main update

• Add VapourSynth plugin supports
• Add video processing supports for Android, now it is true full feature.
• Add directory processing supports for CLI #9
• Use built-in kernel by default
• Other detail enhancements

Release version v1.7.0

Main update

• Add more codec support for encoding, and no longer use DXVA first in Windows (in some GPUs, the result file is too large), you can specify it by yourself
• Allow to release GPU in GUI for specify another GPU without restart
• Allow to disable the FFmpeg checking at startup in GUI
• Fixed some bugs of GUI
• Other detail enhancements

Android supports

Anime4KCPP now experimentally supports Android (full feature except video processing), please help to test it.