Questions tagged [hardware-acceleration]

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Screen flickering on HP Victus Windows 11

I recently purchased a new HP Victus laptop and every time I used Chrome or Edge, the screen would flicker. This issue isn't happening on any other apps or any other browser like Firefox. I then came ...
0 votes
1 answer
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Windows ffmpeg hardware accelerated video encoding FAILS using codec hevc_amf but works with codec h264_amf

I'm running ffmpeg on Windows 10 on a machine with an AMD Radion HD 7700. Hardware accelerated h.264 works fine while HEVC encoding fails. The version of ffmpeg is: ffmpeg version 5.1.2-...
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bad pc performance, benchmarking shows issues slow hardware

I recently had trouble with a new game (freezing and crashing) on my desktop. I completed reloaded Windows 11 and am now trying to make sure everything is running right. But looking at these ...
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Why are some photos grainy in Chrome and Brave but not Firefox?

As an example, when I open rickbern.com in Chrome or Brave under default settings, some of the headshots are displayed as grainy or speckled. In Chrome: In Brave: However, in Firefox, these same ...
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ffmpeg hevc_vaapi: Impossible to convert between the formats supported by the filter 'Parsed_scale_vaapi_2' and the filter 'auto_scale_0'

I know there are many similar questions already on stackexchange sites, but none of them are completely same. My situation is: camera RTSP output 8MP video in H265 Use Intel HD-Graphics vaapi ...
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327 views

HEVC Intel QuickSync not working: Error loading plugins | Could not load the requested plugin

I am able to encode to h264 using Intel QuickSync just fine: ffmpeg -init_hw_device qsv=hw -i IN.MKV -c:a copy -c:v h264_qsv OUT.MP4 I used this command for HEVC: ffmpeg -load_plugin hevc_hw -...
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I need FFMPEG syntax examples for AMD AMF hardware acceleration on Ubuntu 22.04

I built FFMPEG with AMD AMF enabled. Everything seems to be compiled properly with the AMD AMF headers. Now I have never executed FFMPEG commands over Ubuntu terminal. I did some googling and couldn't ...
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Does Intel Quick Sync capability differ between i3 and i7 CPUs?

I am building a NAS and I want to narrow down my CPU and GPU requirements. Does Quick Sync capability between i3 and i7 Quick Sync-capable CPUs differ in any way, or do both lines carry the same Quick ...
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1 answer
2k views

FFmpeg: h264_qsv slower than libx264 (real-time buffer too full)

I use configuration: Windows 10 IoT, Intel Celeron N3350E (with Intel HD Graphics). Runing this line: ffmpeg -f dshow -i video="USB Video":audio="USB Digital Audio" -c:v libx264 -...
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1 answer
2k views

FFmpeg h264_qsv: Error initializing an internal MFX session: unsupported (-3)

Im using ffmpeg build for Windows from gyan.dev: release ffmpeg-5.0-full-build with hardware-support. I need to capture a video from a USB video device, compress it and write it to a file. I am using ...
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0 answers
543 views

Chromium | Hardware Video Acceleration with VA-API | 4k Videos shutter / lag

I have the Problem on an (up to date) Fedora 34 and Fedora 35 workstation. 4k Videos shutter/lag in chromium(-freeworld). To make this "easier" i tested with a local file - no youtube. The ...
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1 vote
0 answers
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Windows Vista stops VirtualBox Graphics Adapter (WDDM) with error code 43

I have a Windows Vista virtual machine which I'd like to enable 3D Acceleration on. If I install VirtualBox Guest Additions it successfully installs the driver and reboots the VM, however I don't get ...
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596 views

What is the suitable H/W compatibility for av-1 encoding

Some videos are transcoded, h264 on ARM machine, h265 on Intel Skylake and av-1 on Intel RocketLake. File savings are better with av1 at the same quality but still at a high computational cost. Avg ...
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1 vote
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578 views

How can I leverage my GPU with this ffmpeg command?

I need to extract every nth frame of an mp4 file. This command just works fine for me ffmpeg -i input.mp4 -vf "select=not(mod(n\,10))" -vsync vfr -q:v 2 img_%03d.jpg However it doesn't seem ...
0 votes
2 answers
388 views

Processor with a higher IPC vs Processor with lower IPC but specific instructions

Context: Intel and AMD have long been fierce competitors in the CPU industry. As of late, AMD seems to have managed to make processors with a higher IPC on a single core than Intel (e.g. the Ryzen ...
0 votes
1 answer
382 views

How to get rid of the lag/stutter while playing videos with the dGPU (Nvidia Optimus)?

I recently got a laptop that uses Nvidia Optimus, and one of the things I have noticed is that when I set the browser (any browser: Chrome, Edge...) to be executed via dGPU (in Windows preferences), ...
1 vote
1 answer
7k views

Does ffmpeg really use my Graphics card to encode?

I have a NVIDIA Quadro P620. I have a lot of research on how to accelerate my transcoding using my graphic card. I stumble on this page https://trac.ffmpeg.org/wiki/HWAccelIntro#...
7 votes
3 answers
27k views

How do I enable GPU acceleration on new Hyper-V virtual machines? (Can't use remoteFX)

I've recently set up a Hyper-V virtual machine that runs Windows 10 Pro 64 Bit, the host OS is also running Windows 10 Pro 64 bit I want the VM to be able to play games, I tried to play a game but it'...
3 votes
0 answers
1k views

Oldest Intel CPU generation that supports Zoom video conferencing

I am trying to recommend a laptop to someone who will have to use it for a lot of Zoom meetings. I have a personal and work laptop, and my personal laptop is overwhelmed with Zoom conferences (even 1:...
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3 answers
2k views

Google Chrome freezes during fullscreen due to hardware acceleration on Ubuntu 18.04

I am using Ubuntu 18.04 on Dell Vostro 3546. uname -a Linux vaishnavi-laptop 4.15.0-124-generic #127-Ubuntu SMP Fri Nov 6 10:54:43 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux Whenever I turn on hardware ...
2 votes
0 answers
221 views

Why does xserver require a physical screen?

I was searching for a solution to run a graphical application without a physical screen. The application is showing multiple hardware accelerated video streams with gstramer-vaapi. I dont want to ...
0 votes
3 answers
2k views

How to transcode to hevc losslessly using ffmpeg hevc_qsv encoder?

I'm using ffmpeg -hwaccel qsv -c:v h264_qsv -i Intro.mkv -strict -2 -c:v hevc_qsv -preset veryslow -c:a copy Intro-hevc.mp4 to transcode a h264 mkv video to hevc mp4. Although the file size is ...
1 vote
1 answer
73 views

How is I/O encryption handled in modern systems? [closed]

First: I've struggled with the question on which stackexchange to post this question since it involves OS knowledge, hardware knowledge but probably also other CS fields. Suggestions for a better ...
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1 answer
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about hardware accelerator for video processing [closed]

If we enable hardware accelerator in the applications how the code flow happens to the hardware accelerator.If not how the flow will be? e.g. if hardware accelerator is enabled then encoding and ...
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0 answers
577 views

Getting hardware accelerate working on nouveau

I've just got a new gpu from nvidia and am trying to get hw accelerated video decoding working. I've tried bunch of thinks I found on the internet but nothing helped, the Decoded capabilities iin ...
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5 votes
4 answers
6k views

All chrome popups display with transparency bug in chrome in a VM

I spend a lot of time using virtual machines, and a lot of that time using Chrome. All of the browser dialogs, such as those for extensions, but also things such as chrome prompting certain things ...
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1 vote
1 answer
410 views

MP4 Files encoded with ffmpeg do not play back on Kodi with hardware acceleration

I have encoded some files with FFmpeg using ubuntu 16.04 with FFmpeg from ubuntu repos ffmpeg version 2.8.14-0ubuntu0.16.04.1 encoder : Lavf56.40.101 Since I disassembled a video frame by ...
8 votes
0 answers
7k views

Does Raspberry Pi 4 support AES hardware acceleration?

I have Raspberry Pi 4 B (4GB version), I wonder if it supports AES hardware acceleration (so some special instruction set for CPU for faster encryption). According to https://en.wikipedia.org/wiki/...
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Why are my RAMs operating at 1200MHz [duplicate]

I just bought 2 Corsair 32GB 2400MHz RAM sticks, but when I check them on CPU-Z, I see they are operating at 1200MHz. Could someone help to bring them back to 2400MHz? Thanks
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1 answer
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what is the limitation on max cuda instances for video transcoding?

I have set up Nvidia V100 card on Azure Nc6s_v3 virtual machine. I have set up the latest CUDA driver and SDK. I compiled sample programs from "Video_Codec_SDK_9.0.20" and verified the max parallel ...
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3 votes
1 answer
5k views

ffmpeg not working using h264_vaapi

I'm trying to transcode a video using ffmpeg with hardware acceleration using the following command: sudo ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi \ -vaapi_device /dev/dri/renderD128 -i ...
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0 votes
0 answers
507 views

Video Hardware Acceleration Causing Weird colors

I am using Windows 10, On the start menu, there is a tile that displays Images from your folders. Clicking on the image brings up a tab that sits on the right hand of the screen, which also contains a ...
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0 answers
7k views

Invalid settings detected in VirtualBox

I am trying to set up a Linux Mint box on my new laptop (windows 10). After setting up a new virtual machine, I get the Invalid settings detected error, which says "System: Acceleration page: The ...
2 votes
1 answer
603 views

How to undervolt a laptop CPU

I have a Dell Inspiron 7559 laptop and it's processor is core i7-6700HQ. I have read some articles about undervolting the CPU and its benefit and I want to do it for my laptop. I have some ...
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1 answer
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Hardware Acceleration isn't working in Google Chrome inside Debian VM

I am having an issue where Google Chrome's hardware acceleration is not working in Google Chrome inside a Debian VM. 3D Acceleration is enabled in Virtualbox's configuration for Debian. macOS the ...
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1 vote
0 answers
673 views

How many H.264 videos can Nvidia's NVDEC decode at once?

I need to know (or be able to calculate/measure) how many H.264 videos of a given resolution, bit rate etc. can be decoded on the GPU at once, whilst maintaining a frame rate of at least 30 for all. ...
14 votes
5 answers
68k views

How to force Chrome to use integrated GPU for decoding?

I want Chrome to utilize iGPU (GT630 on i7-8700k) for video decoding, especially VP9 decoding on YouTube. My discrete GPU is GTX970 and it is not capable of decoding VP9. Currently, VP9 is software ...
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0 votes
1 answer
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Is it okay for me to Overclock?

I've checked my CPU and Motherboard and I was told their all okay to overclock. I'm a bit worried about my temperature as its currently sitting at around 40 - 50c at 20% CPU usage. Am I okay to ...
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1 vote
2 answers
4k views

Hardware for FFMPEG video encoding?

So I am trying to find out what the best way to transcode using FFMPEG would be on a commercial scale. I currently just have very CPU heavy cloud instances that run FFMPEG with parameters set as a ...
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0 votes
1 answer
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Trying to understand USB and Thunderbolt maximum transfer rates

If a USB port can transfer data at 10GB/s and a Thunderbolt at 20 GB/s, then how is this speed achieved when say an average hard drive only has an average speed of 100 MB/s?
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3 votes
3 answers
11k views

Virtualization inside VirtualBox (nested virtualization)

I have created a Debian VM (using VirtualBox in my Windows 10 host machine) and installed various features necessary for developing an android application. While installing Android Studio, I noticed ...
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1 answer
1k views

Can VMware Workstation Player be connected to my "Intel 4th Gen Core Processor Integrated Graphics Controller" card?

VMware Workstation Player and/or guests are claiming not to be connected to a graphics card. The host OS is Linux Mint 18.2. inxi reports: $ inxi -G Graphics: Card: Intel 4th Gen Core Processor ...
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1 answer
550 views

FPGA access on a MacBook-Pro

I am interested in accelerating machine learning on a MacBookPro using FPGA technology. Has anyone found a way to attach an FPGA card or dev board to Thunderbolt interface?
1 vote
0 answers
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GPU Clocks Up If a Hardware-accelerated Program is Running while Gaming

I have a GTX1060 (Gigabyte), BIOS firmware version 86.06.39.00.50 and the most recent Nvidia drivers, updated and reinstalled (clean), running on Windows 10 64 bit. Here is the problem: When a 3D ...
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1 answer
4k views

What does it mean for a sound card to have "Hardware Acceleration"?

I wonder what does it mean for a computer sound card to have hardware acceleration? I know that hardware acceleration means to use hardware components (integrated circuits, sound processors, etc.) to ...
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-3 votes
1 answer
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How to enable/download OpenGL on Geforce GTX 750 Ti

For a programming issue I need to install or enable OpenGl on my Geforce GTX 750 Ti video card on a Windows 7 x64 machine. How to know if it's installed or not, and if it's not installed, download it? ...
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Can I make Generic uDisk write faster?

I have a Generic uDisk/Flash disk (known as a fake flash drive). Write on 2,4MB/s, and read on 27MB/s. Tested on 20 sample with 20MB file and access 100 times (Linux Benchmark). I'm wishing I can make ...
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2 answers
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What makes certain interfaces faster than others?

Basically I'm just wondering is why a PCIe 16x transmits data faster than say a Thunderbolt 2 cable, or why USBC is faster than USB 3.0. What aspect of these cables (I don't really know what to call ...
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Minimum Server configuration for 10 nodes(client)

Could you please give idea for server configuration of 10 nodes for small size Hospital. Following information is needed. 1)Processor 2)RAM 3)corresponding mother board 4)Cabinet 5)OS (that suitable ...
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Two USB cams with one USB hub behave differently on two different laptops with same OS windows 10

I have been trying to access two USB cameras through a USB hub (bought from local market). I am able to access both the cameras one after the other without any issue but when I tried to access both ...