Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
Hi Carl Eugen, On Tue, 6 Nov 2018 at 14:56, Carl Eugen Hoyos wrote: > 2018-11-06 11:32 GMT+01:00, Roman Gorelik : > > > 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 > 19.00.24215.1 > > 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 > > Unrelated: > The following have no effect, removing them makes debugging > easier: > --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 > > Roman Gorelik ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
Mortiz, thank you for the links. It helps. > > Can someone explain please what is the difference between hwaccels cuda > and > > cuvid? Which one should be used in which cases? > > I personally have no idea, but a bit of an (internal) explanation was > given here recently: > > http://ffmpeg.org/pipermail/ffmpeg-devel/2018-November/235929.html > > But that apparently did leave some questions open: > > http://ffmpeg.org/pipermail/ffmpeg-devel/2018-November/235930.html > > Cheers, > Moritz > ___ > ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
2018-11-06 11:32 GMT+01:00, Roman Gorelik : > 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. > 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 19.00.24215.1 > 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 Unrelated: The following have no effect, removing them makes debugging easier: --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? Carl Eugen ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
On Tue, Nov 06, 2018 at 12:32:52 +0200, Roman Gorelik wrote: > Can someone explain please what is the difference between hwaccels cuda and > cuvid? Which one should be used in which cases? I personally have no idea, but a bit of an (internal) explanation was given here recently: http://ffmpeg.org/pipermail/ffmpeg-devel/2018-November/235929.html But that apparently did leave some questions open: http://ffmpeg.org/pipermail/ffmpeg-devel/2018-November/235930.html Cheers, Moritz ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
[FFmpeg-user] what is the difference between hwaccels cuda and cuvid?
Hi, Can someone explain please what is the difference between hwaccels cuda and cuvid? Which one should be used in which cases? 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 19.00.24215.1 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 --toolchain=msvc --arch=x86_64 --extra-cflags=-MD --extra-ldflags='/NODEFAULTLIB:libcmt' --enable-cuda --enable-cuvid --enable-nvenc --enable-libopenh264 --extra-cflags=-I/c/svn/ExternalLibs/CudaToolkit_9_0/include --prefix=/c/vers/ExternalLibs/ffmpeg_4_0 libavutil 56. 14.100 / 56. 14.100 libavcodec 58. 18.100 / 58. 18.100 libavformat58. 12.100 / 58. 12.100 libavdevice58. 3.100 / 58. 3.100 libavfilter 7. 16.100 / 7. 16.100 libswscale 5. 1.100 / 5. 1.100 libswresample 3. 1.100 / 3. 1.100 Hardware acceleration methods: cuda cuvid --- Roman Gorelik ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".