libopenglrecorder is a library allowing optional async readback OpenGL frame buffer with optional audio recording. It will do video and audio encoding together. The user of this library has to setup OpenGL context himself and load suitable callbacks. All functions exposed by libopenglrecorder should be called by the same thread which created the OpenGL context. Currently using in Linux and Windows is supported.
The sounding recording in Linux is done by PulseAudio and Windows by Wasapi, so for Linux make sure that your app is playing sound through PulseAudio, while in Windows make sure Wasapi is present which means Windows Vista or later. You can optionally link PulseAudio with DL for lazy loading libpulse.
One example usage is to create an advanced bundled-recorder for game out of it.
This software is released under BSD 3-clause license, see LICENSE.
- TurboJPEG (required)
- LibVPX (optional for VP8 / VP9 encoding)
- OpenH264 (optional for H264 encoding)
- Vorbis (optional if build without audio recording)
- PulseAudio (optional if build without audio recording in Linux)
Install the following packages, Ubuntu command:
sudo apt-get install build-essential cmake libturbojpeg \
libvpx-dev libogg-dev libvorbisenc2 libvorbis-dev \
libpulse-dev pkg-config
Make sure you have a c++11 capable compiler, gcc 4.8 recommended. After
checking out the repo, cd libopenglrecorder, and assume that you have all of
the above dependencies installed:
mkdir cmake_build
cd cmake_build
cmake ..
make -j4
sudo make install
Prebulit binaries are avaliable here. Copy the suitable files in windows(_64bit)/dependencies/{dll,lib} for MSVC (or mingw if you are using cygwin), you will need openglrecorder.dll, libvorbisenc.dll, libvorbis.dll, libogg.dll, libvpx.dll and libturbojpeg.dll for runtime, and openglrecorder.lib for linking. For compiling yourself, just copy the whole dependencies directory inside here, and run CMake to configure, make sure that no openglrecorder prebuilt binaries or header file are copied.
See USAGE.md for details.
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