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mofeng 1786b7689d feat: 完善架构优化性能 
- 调整音视频架构，提升 RKMPP 编码 MJPEG-->H264 性能，同时解决丢帧马赛克问题；
- 删除多用户逻辑，只保留单用户，支持设置 web 单会话；
- 修复删除体验不好的的回退逻辑，前端页面菜单位置微调；
- 增加 OTG USB 设备动态调整功能；
- 修复 mdns 问题，webrtc 视频切换更顺畅。
2026-01-25 16:04:29 +08:00
..
cpp
feat: 完善架构优化性能
2026-01-25 16:04:29 +08:00
src
feat: 完善架构优化性能
2026-01-25 16:04:29 +08:00
.gitignore
init
2025-12-28 18:19:16 +08:00
build.rs
feat: 完善架构优化性能
2026-01-25 16:04:29 +08:00
Cargo.toml
feat: 支持 MJPEG 解码与 MSD 目录配置
2026-01-11 16:32:37 +08:00
README.md
init
2025-12-28 18:19:16 +08:00

README.md

A real-time hardware codec library for RustDesk based on FFmpeg

Codec

Windows

GPU FFmpeg ram FFmpeg vram sdk vram
intel encode qsv qsv Y
intel decode d3d11 d3d11 Y
nvidia encode nvenc(nv12->d3d11) nvenc(d3d11) Y
nvidia decode d3d11 d3d11 N
amd encode amf amf Y
amd decode d3d11 d3d11 Y

Notes

  • The reason for discarding the codecs using Cucontext is discussed in the following forum thread: https://forums.developer.nvidia.com/t/cuctxdestroy-causing-system-freeze-and-black-screen/290542/1. Based on the information above, there are several optimizations and changes made to the codec:

    • FFmpeg encoding AV_PIX_FMT_NV12 directly: The codec is modified to transfer AV_PIX_FMT_NV12 to AV_PIX_FMT_D3D11. This is done because FFmpeg doesn't use Cucontext if the device type is AV_HWDEVICE_TYPE_D3D11VA.
    • FFmpeg decoding with AV_HWDEVICE_TYPE_CUDA acceleration: This functionality is disabled and replaced with AV_HWDEVICE_TYPE_D3D11VA. The decoding process now utilizes D3D11VA acceleration instead of CUDA.
    • SDK decoding with CUDA acceleration: The CUDA acceleration support is disabled.

  • amd sdk remove h265 support, https://github.com/GPUOpen-LibrariesAndSDKs/AMF/issues/432

Linux

GPU FFmpeg ram
intel encode vaapi
intel decode vaapi
nvidia encode vaapi, nvnec
nvidia decode vaapi, nvdec
amd encode vaapi, amf
amd decode vaapi

Issue

MacOS

FFmpeg ram encode FFmpeg ram decode
h265 only Y

Android

FFmpeg ram encode
Y

System requirements