Originally posted by elatllat
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FFmpeg 4.4 Released With AV1 VA-API Decoder, SVT-AV1 Encoding
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In Linux, Hardware acceleration isn't that bad these days, even latest versions of Google-Chrome added vaapi-based mojo video decoder support and performing very well, also MPV doing great in offline and stream hardware-accelerated decoding.Last edited by chromer; 09 April 2021, 08:51 AM.
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Originally posted by uid313 View PostSince FFmpeg isn't written in Rust, all applications that use FFmpeg should probably sandboxed with Snap or Flatpak.
For a consumer home media center it probably doesn't matter though.
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Originally posted by birdie View Post
Fedora/RHEL cannot package it due to patents. Other distros often strip large chunks of it to avoid patents.
So this is user choice, use free by default or install from repo restricted version.
Also OpenMandriva use cool stuff which solves this issue in yet another way. They are using dllopen. This mean, FFmpeg (and others aplication) can support restricted libs like x264 or x265 etc at runtime. This mean, FFmpeg is compiled via dllopen and if you need for example support for x265, then you only need install x265 lib from repo and then ffmpeg start supporting it without any recompiltion. Just out-of-box.
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Originally posted by birdie View Post
A tinfoil hat probably won't hurt as well.CVE-2019-17539
The vulnerability exists due to a NULL pointer dereference error within the avcodec_open2 in libavcodec/utils.c in in FFmpeg. A remote attacker can pass specially crafted media content to the affected application and perform a denial of service (DoS) attack or execute arbitrary code on the system.
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Originally posted by kpedersen View Post
Not a bad suggestion. Since it drags in far too many dependencies to be "trustworthy" I have been running this kind of stuff in a Jail for years.
For a consumer home media center it probably doesn't matter though.
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Originally posted by s_j_newbury View PostVA-API works fine here (in Wayland too). What's the problem with it?
2. mpv doesn't enable it by default
3. Firefox doesn't enable it by default even under Wayland
4. Some prominent distros, e.g. Fedora, don't even include libva-intel-driver - you have to manually enable third-party repos to install the driver.
Otherwise it's all perfect, right.
Originally posted by numacross View PostThere's been quite a few CVSS 10s in there over the years as well as multiple RCEs triggered by simply opening a file.
Originally posted by -MacNuke- View Post
Maybe because nVidia moved to their own vendor-locked cuda/nvdec API?Last edited by birdie; 09 April 2021, 10:10 AM.
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