[FFmpeg-devel] Development of a CUDA accelerated variant of the libav vf_tonemap

Hi guys and gals, first post on this mailing list, apologies for any formatting/stylistic snafus TLDR; we currently have tone mapping filters (typically used to map content from a 10bit HDR source to an 8bit SDR output) that are done on CPU with Zscale from Zlib, or hardware implementations us

Re: [FFmpeg-devel] Development of a CUDA accelerated variant of the libav vf_tonemap

That's great! Any way for me to pull that branch or otherwise contribute? Have been using FFmpeg for a few years now, so hopping to be able to give back. On Tue, Jan 12, 2021 at 5:55 am, Lynne wrote: Jan 11, 2021, 23:27 by felix.leclair...@hotmail.com :

Re: [FFmpeg-devel] Development of a CUDA accelerated variant of the libav vf_tonemap

I've pulled the branch and built with --enable-vulkan --enable-libglslang. What else is needed? Do I need to pull the libplacebo repo as well and/or add any special enables in ./configure? On Wed, Jan 13, 2021 at 5:12 am, Lynne wrote: Jan 12, 2021, 22:13 by felix.leclair...@hotmail.com

[FFmpeg-devel] [vf_tonemap_cuda] VERY alpha ground work- implemented only reinhard

s faced by doing a memcpy over the pcie bus to the gpu itself, then passing the data back once processed. /* * original source Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. * * Change to tonemap style filter copyright Felix LeClair * * Permission is hereby granted, free of

Re: [FFmpeg-devel] [vf_tonemap_cuda] VERY alpha ground work- implemented only reinhard

Not sure what you mean by that? On Thu, Jan 14, 2021 at 9:15 pm, Lynne wrote: Jan 14, 2021, 21:01 by felix.leclair...@hotmail.com : Hey everyone! Trying to wrap my mind around how to deal with cuda HW frames and how to implement them. The goal of

Re: [FFmpeg-devel] [REQUEST] Miove Mail List to GitLab or GitHub.

> On Jun 29, 2022, at 03:15, Paul B Mahol wrote: > > On Wed, Jun 29, 2022 at 3:54 AM Juan Pablo Cuervo < > audioprof2001-at-yahoo@ffmpeg.org> wrote: > >> This is just a flood of mails. >> >> Gitlab requires 2-step verification,download & install >> Authy Desktop, >> Before Requesting Web

Re: [FFmpeg-devel] [ANNOUNCEMENT] New fork

On Jul 2, 2022, at 13:33, Nicolas George wrote: Paul B Mahol (12022-07-02): W} will fork FFmpeg code under new project as current situation is unbearable. Who are "we"? -- Nicolas George ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https:

Re: [FFmpeg-devel] filter queue question

From: ffmpeg-devel on behalf of Alex <3.1...@ukr.net> Sent: July 5, 2022 9:00 AM To: FFmpeg development discussions and patches Subject: [FFmpeg-devel] filter queue question Hi! I developing custom GPU filter that require lot of time to process frames and as result overal fps is low ( around

[FFmpeg-devel] [PATCH] Fix AVX-512-VNNI__hevc_qpel_filters_avx512icl_v_%1

el). Signed-off-by: Felix LeClair (FCLC) Signed-off-by: FelixCLC (FCLC) --- libavcodec/x86/hevc_mc.asm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/x86/hevc_mc.asm b/libavcodec/x86/hevc_mc.asm index c07948dd9b..e159adccc7 100644 --- a/libavcodec/x86/hevc_mc.

[FFmpeg-devel] [PATCH-v2] Fix AVX-512-VNNI__hevc_qpel_filters_avx512icl_v_%_2

Issue: On extremely new hardware using either IceLake or super sets of Intel IceLakes avx512 instructions, commit d4cd8830bdac3e26c8e75cd92e574c159fecc4f7 causes build issues. Specifically a NASM macro expansion of qpel_filter_v is never properly defined/initialized. The issue is the definition

[FFmpeg-devel] [PATCH] Fix AVX-512-VNNI_hevc_qpel_filters_avx512icl

el). Signed-off-by: Felix LeClair (FCLC) --- libavcodec/x86/hevc_mc.asm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/x86/hevc_mc.asm b/libavcodec/x86/hevc_mc.asm index c07948dd9b..e159adccc7 100644 --- a/libavcodec/x86/hevc_mc.asm +++ b/libavcodec/x86/hevc_mc.as

Re: [FFmpeg-devel] FATE Errors

I’ve been getting the same locally, assumed an issue had already been opened. -Fclc > On Apr 30, 2022, at 14:54, Soft Works wrote: > > Hi, > > is it a known issue that the current head of the master branch has > FATE errors? > > I get the same locally as well as on the automated GitHub buil

Re: [FFmpeg-devel] FATE Errors

Both times I’ve encountered were on PopOS (think Debian/Ubuntu meets arch like timing release) Currently pulling to a macOS machine and seeing if it can be replicated there. -FCLC > On Apr 30, 2022, at 15:19, Soft Works wrote: > >  > >> -Original Message- >> From: ffmpeg-devel On

Re: [FFmpeg-devel] FATE Errors

> On Apr 30, 2022, at 15:25, Soft Works wrote: > >  > >> -Original Message- >> From: ffmpeg-devel On Behalf Of >> Felix LeClair >> Sent: Saturday, April 30, 2022 9:22 PM >> To: FFmpeg development discussions and patches > de...@ffmpeg.or

[FFmpeg-devel] libavfilter/x86/vf_convolution.asm- fix missing decelerator for AVX512ICL sobel

Fixes: Compilation of Sobel with AVX512ICL Caused: Comment left without deleniator in AVX512ICL version of SOBEL Testing:Confirmed working on AVX512 Alderlake (AKA SPR without AMX) From 2b12db24d2bbe8a1544a9a7f3a08e1a693a6c2ce Mon Sep 17 00:00:00 2001 From: "Felix LeClair (FCLC)" Dat

Re: [FFmpeg-devel] libavfilter/x86/vf_convolution.asm- fix missing decelerator for AVX512ICL sobel

obel On 2/24/23 04:00, Felix LeClair wrote: > Fixes: Compilation of Sobel with AVX512ICL > Caused: Comment left without deleniator in AVX512ICL version of SOBEL > > Testing:Confirmed working on AVX512 Alderlake (AKA SPR without AMX) > diff --git a/libavfilter/x86/vf_convolution

Re: [FFmpeg-devel] libavfilter/x86/vf_convolution.asm- fix missing decelerator for AVX512ICL sobel

Disregard-found to be an issue in nasm 2.16RC, fixed with upstream 2.16.01 From: ffmpeg-devel on behalf of Felix LeClair Sent: February 24, 2023 10:12 AM To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] libavfilter/x86