[FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 Thread Roman Gorelik
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

Re: [FFmpeg-user] A query on using the OpenCL tonemap filter from derived OpenCL device contexts from VAAPI.

2018-11-06 Thread Paul B Mahol
On 11/6/18, Dennis Mungai wrote: > Hello there, > > From this patchwork: > https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8b8b0e2cd26cf1f522c630859fcbcc62b6493fb9 > > It should be possible to utilize an OpenCL tonemap filter which does > HDR(HDR10/HLG) to SDR conversion with tone-mapping, as

Re: [FFmpeg-user] A query on using the OpenCL tonemap filter from derived OpenCL device contexts from VAAPI.

2018-11-06 Thread Dennis Mungai
I'll correct that and update the question, thanks. On Tue, 6 Nov 2018 at 11:08, Paul B Mahol wrote: > On 11/6/18, Dennis Mungai wrote: > > Hello there, > > > > From this patchwork: > > > https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/8b8b0e2cd26cf1f522c630859fcbcc62b6493fb9 > > > > It should

Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 Thread Carl Eugen Hoyos
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>

Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 Thread Moritz Barsnick
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:

Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 Thread Roman Gorelik
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: > >

Re: [FFmpeg-user] what is the difference between hwaccels cuda and cuvid?

2018-11-06 Thread Roman Gorelik
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