[FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
roman.gorelik at gmail.com
Tue Nov 6 17:24:07 EET 2018
Hi Carl Eugen,
On Tue, 6 Nov 2018 at 14:56, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2018-11-06 11:32 GMT+01:00, Roman Gorelik <roman.gorelik at gmail.com>:
> > Can someone explain please what is the difference between hwaccels
> > cuda and cuvid? Which one should be used in which cases?
> Adding to the answer: Using FFmpeg's parser and not Nvidia's can
> help with unusual samples.
> Thanks for the hint.
> > PS C:\vers\Release> .\ffmpeg.exe -hwaccels
> > ffmpeg version 4.0.2 Copyright (c) 2000-2018 the FFmpeg developers
> > built with Microsoft (R) C/C++ Optimizing Compiler Version
> > for x64
> > configuration: --enable-asm --enable-yasm --enable-nvdec --disable-doc
> > --enable-shared --disable-static --disable-bzlib --disable-libopenjpeg
> > --disable-iconv --disable-zlib --disable-dxva2 --disable-d3d11va
> > --enable-decoder=tscc
> The following have no effect, removing them makes debugging
> --enable-asm --enable-yasm --disable-libopenjpeg --enable-decoder=tscc
> (You cannot enable tscc with --disable-zlib)
> Is there something about iconv that we should know?
> Why are you disabling it?
> I believe for historical reasons. Removing everything as you advise
including '--disable-iconv' doesn't affect anything, so I accept these
changes. Thank you.
> Carl Eugen
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