Build FFmpeg

This article describes custom configuration and of FFmpeg for UltraGrid.

Table of Contents

• Download
• Features
  • HEVC
  • NVENC
  • Intel Quick Sync Video

Download

You can use latest version of FFMPEG to configure custom codecs or utilize most recent features of libavcodec. In this case:

git clone git://source.ffmpeg.org/ffmpeg.git

Recommended configuration options include these (all platforms, leads to GPL build):

./configure --enable-gpl --enable-libx264 --enable-libopus

Features

HEVC

Additionally, you may want to add support for HEVC:

./configure ... --enable-libx265

(you may want to download x265 from https://github.com/videolan/x265.git)

NVENC

Clone this GIT: https://git.videolan.org/git/ffmpeg/nv-codec-headers.git

Then install it:

make
make install

• Then enable support for NVENC in FFMPEG:

./configure ... --enable-nonfree --enable-nvenc

Intel Quick Sync Video

Note: Following setup is not tested yet. For installation and requirements, please refer here.

• Download Intel Media Server Studio (or Intel Media SDK for Windows).
• from the download archive, install SDK - supposing it gets installed to /opt/intel/mediasdk, remove distribution-sticked VA and DRM libs and install them from SDK.
• run:

sudo ln -s /opt/intel/mediasdk/lib/lin_x64/libmfx.a /usr/local/lib
sudo ln -s /opt/intel/mediasdk/include /usr/local/include/mfx

• create file /usr/local/lib/pkgconfig/libmfx.pc with following contents prefix=/opt/intel/mediasdk exec_prefix=({prefix} libdir=){exec_prefix}/lib includedir=({prefix}/include Name: libmfx Description: Intel Media SDK Version: 2015R6 Libs: -L){libdir} -lmfx -lstdc++ -lva-drm -lva -lva-x11 -lva Libs.private: Cflags: -I${includedir}

Configure FFMPEG with following flag:

./configure --enable-libmfx --extra-libs="-ldl"