Using FFmpeg with NVIDIA GPU Hardware Acceleration vDA-08430-001_v02|ii
Table of Contents
Chapter1.Introduction........................................................................................................ 1
Chapter2.Setup................................................................................................................... 2
2.1.Hardware Setup........................................................................................................................ 2
2.2.Software Setup..........................................................................................................................2
2.2.1.Prerequisites.......................................................................................................................2
2.2.2.Compiling FFmpeg............................................................................................................. 2
2.2.2.1.Compiling for Linux..................................................................................................... 3
2.2.2.2.Compiling for Windows............................................................................................... 3
2.2.2.3.Compiling for Windows Subsystem for Linux (WSL)..................................................4
2.2.2.4.Commonly faced issues and tips to resolve them.....................................................4
Chapter3.Basic Testing...................................................................................................... 6
3.1.1:1 HWACCEL Transcode without Scaling...............................................................................6
3.2.1:1 HWACCEL Transcode with Scaling....................................................................................6
3.3.1:N HWACCEL Transcode with Scaling...................................................................................7
3.4.1:N HWACCEL encode from YUV or RAW Data...................................................................... 7
3.5.Multiple 1:N HWACCEL Transcode with Scaling.................................................................... 7
3.6.Multiple 1:N Transcode with Scaling (SW Decode->HW Scaling->HW Encode).................... 8
Chapter4.Quality Testing....................................................................................................9
4.1.Video Encoding..........................................................................................................................9
4.2.Video Decoding..........................................................................................................................9
4.3.Command Line for Latency-Tolerant High-Quality Transcoding..........................................10
4.4.Command Line for Low Latency Transcoding...................................................................... 10
Chapter5.Advanced Quality Settings................................................................................12
5.1.Lookahead............................................................................................................................... 12
5.2.Adaptive Quantization (AQ)..................................................................................................... 12
Chapter6.Performance Evaluation and Optimization...................................................... 14
6.1.Measuring Aggregate Performance.......................................................................................14
6.2.Settings for Reduced Initialization Time................................................................................14
