Linux Hardware Acceleration - ryzendew/Linux-Tips-and-Tricks GitHub Wiki

Linux Hardware Acceleration Guide

Complete beginner-friendly guide to hardware acceleration on Linux, covering Arch Linux, CachyOS, and other distributions including VAAPI, VDPAU, GPU acceleration for video playback, encoding, and browser acceleration.

Table of Contents

  1. Understanding Hardware Acceleration
  2. VAAPI Setup
  3. VDPAU Setup
  4. NVIDIA GPU Acceleration
  5. AMD GPU Acceleration
  6. Intel GPU Acceleration
  7. Video Player Configuration
  8. Browser Acceleration
  9. Troubleshooting

Understanding Hardware Acceleration

What is Hardware Acceleration?

Hardware acceleration uses your graphics card (GPU) instead of your processor (CPU) for certain tasks.

What it does:

  • Video decoding: Playing videos uses GPU instead of CPU
  • Video encoding: Converting videos uses GPU (faster)
  • Graphics rendering: Applications use GPU for graphics
  • Computational tasks: Some programs use GPU for calculations

Why it matters:

  • Better performance: GPU is faster for graphics tasks
  • Lower CPU usage: CPU is free for other tasks
  • Better battery life: More efficient (on laptops)
  • Smoother playback: Videos play without stuttering
  • Faster encoding: Video conversion is much faster

Types of Hardware Acceleration

VAAPI (Video Acceleration API):

  • What it is: Open standard for video acceleration
  • Supported by: Intel, AMD, some NVIDIA
  • Used for: Video decoding and encoding
  • Best for: Intel and AMD GPUs

VDPAU (Video Decode and Presentation API):

  • What it is: NVIDIA's video acceleration API
  • Supported by: NVIDIA GPUs
  • Used for: Video decoding
  • Best for: NVIDIA GPUs

NVDEC/NVENC:

  • What it is: NVIDIA's hardware decoder/encoder
  • Supported by: Modern NVIDIA GPUs
  • Used for: Video decoding and encoding
  • Best for: NVIDIA GPUs (newer models)

VAAPI Setup

Install VAAPI

For Intel GPUs:

# Arch/CachyOS
sudo pacman -S libva-intel-driver libva-utils

# Debian/Ubuntu
sudo apt install i965-va-driver vainfo

# Fedora
sudo dnf install intel-media-driver libva-utils

For AMD GPUs:

# Arch/CachyOS
sudo pacman -S libva-mesa-driver libva-utils

# Debian/Ubuntu
sudo apt install mesa-va-drivers vainfo

# Fedora
sudo dnf install mesa-va-drivers libva-utils

Verify VAAPI

Check VAAPI:

# List VAAPI devices
vainfo

# Check codecs
vainfo --display drm --codecs

VDPAU Setup

Install VDPAU

Install packages:

# Arch/CachyOS
sudo pacman -S libvdpau libvdpau-va-gl vdpauinfo

# Debian/Ubuntu
sudo apt install libvdpau1 vdpauinfo

# Fedora
sudo dnf install libvdpau vdpauinfo

Verify VDPAU

Check VDPAU:

# Check VDPAU
vdpauinfo

🟢 NVIDIA GPU Acceleration

NVDEC/NVENC

Modern NVIDIA GPUs support NVDEC/NVENC.

Check support:

# Check NVIDIA
nvidia-smi

# Check codecs
nvidia-smi --query-gpu=name --format=csv

Configure:

# Usually works automatically with NVIDIA drivers
# No additional configuration needed

AMD GPU Acceleration

AMD VAAPI

AMD GPUs use VAAPI for acceleration.

Install:

# Arch/CachyOS
sudo pacman -S libva-mesa-driver mesa-vdpau

# Verify
vainfo

Intel GPU Acceleration

Intel VAAPI

Intel GPUs use VAAPI for acceleration.

Install:

# Arch/CachyOS
sudo pacman -S libva-intel-driver intel-media-driver

# Verify
vainfo

Video Player Configuration

MPV

Configure MPV:

# Edit MPV config
vim ~/.config/mpv/mpv.conf

Add:

# Hardware acceleration
hwdec=auto
vo=gpu
gpu-context=wayland

VLC

VLC usually detects hardware acceleration automatically.

Check:

Tools > Preferences > Input/Codecs > Hardware-accelerated decoding

Browser Acceleration

Chrome/Chromium

Enable hardware acceleration:

# Usually enabled by default
# Check: chrome://gpu

Firefox

Enable hardware acceleration:

Preferences > General > Performance
Enable: Use recommended performance settings

Troubleshooting

Hardware Acceleration Not Working

Check drivers:

# Check VAAPI
vainfo

# Check VDPAU
vdpauinfo

# Check GPU
lspci | grep VGA

Video Playback Issues

Check codecs:

# Check VAAPI codecs
vainfo --display drm --codecs

# Check VDPAU
vdpauinfo

Summary

This guide covered hardware acceleration for Arch Linux, CachyOS, and other distributions, including VAAPI, VDPAU, GPU acceleration, and video player configuration.

Next Steps

This guide covers Arch Linux, CachyOS, and other Linux distributions. For distribution-specific details, refer to your distribution's documentation.