пт, 16 мая 2025 г., 09:16 Ferdi Scholten <fe...@sttc-nlp.nl>: > > > On 16-05-2025 01:33, Mark Filipak wrote: > > On 15/05/2025 18.48, Ferdi Scholten wrote: > >>> пт, 16 мая 2025 г., 00:12 Mark Filipak<markfilipak.i...@gmail.com>: > >>> > >>>> On 15/05/2025 16.44, Carl Zwanzig wrote: > >>>>> On 5/15/2025 1:33 PM, Mark Filipak wrote: > >>>>>> What if I don't have a GPU? > >>>>> Then you have a 25+ year old video card? > >>>> Laptop > >>>> > >>>>> AFAIK all video chips for the last few decades have had > >>>>> some form of GPU, although it may not be that useful or not > >>>>> accessible > >>>> for offload processing. > >>>> > >>>> FFmpeg says, "using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX" > >>>> I guess "AVX" is a GPU? I have no idea. > >>>> > >>> no, just another cpu SIMD extension .... > >>> > >>> but llvmpipe/lavapipe (software Vulkan rasterizer) probably can use it. > >>> > >>> > >>> > >>>>> A better question might be "What if I don't have a supported GPU?" > >>>> It's not a _better_ question, Carl, it's the _next_ question. > >>>> > >>>> > >> Does anyone ever care to read documentation? > > > > Sure. Here: https://ffmpeg.org/ffmpeg-filters.html#libplacebo > > > >> > >> libplacebo currently supports Vulkan (including MoltenVK), OpenGL, > >> and Direct3D 11. It currently has the following minimum hardware > >> requirements: > >> > >> * *Vulkan*: Core version 1.2 > >> * *OpenGL*: GLSL version >= 130 (GL >= 3.0, GL ES >= 3.0) > >> * *Direct3D*: Feature level >= 9_1 > > > > Where did you find that text? Should I be looking somewhere else for > > documentation? > > > >> Otherwise, if you have a laptop that was produced after 2010 its > >> hardware almost certainly supports libplacebo in some way as the > >> oldest of the hardware requirements being OpenGL 3.0 was supported by > >> almost all video devices (either dedicated or built in the processor) > >> of the time. OpenGL 3.0 was released in 2008. > > > > I run FFmpeg in Windows. > > > >> The same if you are on Windows, Direct3D Feature level 9_1 was > >> released in 2008 > > > > Intel Graphic and Media Control Panel makes no mention of Direct3D. I > > believe that Direct3D is from Microsoft. > > > >> Vulkan is much more recent, version 1.2 is from 2020 > >> > >> In other words for Intel based laptops, everything going back to > >> Sandy Bridge has hardware support for libplacebo and for AMD based > >> this goes back to the K10 series processors. > >> > >> From the documentation: > >> " > >> In principle, libplacebo has no mandatory dependencies - only > >> optional ones. However, to get a useful version of libplacebo. you > >> most likely want to build with ... > > > > Build? Come down to Earth, friend. And again, where are you finding > > your documentation? > Libplacebo has it's own documentation that is where this info comes > from, find it here: https://code.videolan.org/videolan/libplacebo (You > find this exact link in the first line of the Libplacebo documentation > of FFmpeg as well) > > Yes I build Libplacebo myself and use that build in FFmpeg (which I also > build myself) and in other software such as Avidemux, VLC etc. and yes > it does support OpenGL and Vulkan.
Can you share ffmpeg command where you use libplacebo over opengl? I don't use Windows so I don 't build > Libplacebo with DirectX support. > > Simply put, Libplacebo was created to be a hardware agnostic tool that > uses whatever acceleration is available on the system it's running on to > reach it's goal. > > That being said it still isn't a good idea to use it for HDR content on > ancient hardware, it will be sluggishly slow. > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
