fix key block group key frame detection #167

	name: GitHub CI

	on: [push, pull_request]

	defaults:
	run:
	shell: 'bash -Eeuo pipefail -x {0}'

	jobs:
	build-and-test:
	name: Build and Test
	runs-on: ubuntu-20.04
	strategy:
	fail-fast: false
	matrix:
	compiler: [clang-12, gcc-10]
	confargs: ['--add-module=./nginx-vod-module', '--add-dynamic-module=./nginx-vod-module']
	env:
	CC: ${{ matrix.compiler }}
	steps:
	- uses: actions/checkout@v2
	- name: Install Dependencies
	run: \|
	sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
	sudo apt-get update -qq
	sudo apt-get install -y \
	build-essential \
	clang-12 \
	gcc-10 \
	python3 \
	libssl-dev \
	libpcre3-dev \
	libxml2-dev \
	curl \
	unzip \
	libopencore-amrwb0 \
	libopencore-amrnb0 \
	libass9 \
	libgsm1 \
	libmp3lame0 \
	libjpeg9 \
	libspeex1 \
	libtheora0 \
	libva2 \
	libvpx6 \
	libxvidcore4 \
	libnuma1 \
	libvdpau1 \
	libfdk-aac1 \
	libva-drm2 \
	libva-x11-2 \
	libvorbisfile3 \
	libopenjp2-7 \
	libzvbi0 \
	libx264-155 \
	libx265-179 \
	libxcb1-dev \
	libxcb-shm0-dev \
	libvorbisenc2
	wget http://installrepo.origin.kaltura.org/repo/aptn/test_debs/kaltura-ffmpeg_4.2.2-1_amd64.deb
	sudo dpkg -i kaltura-ffmpeg_4.2.2-1_amd64.deb
	- name : Build
	run: ./ci_build.sh ${{ matrix.confargs }}
	- name : Install
	run : \|
	cd /tmp/builddir/nginx
	sudo make install
	- name : Test smoke
	run : /sbin/nginx -V
	- name : Test bitset
	run : \|
	cd test/bitset
	NGX_ROOT=/tmp/builddir/nginx VOD_ROOT=../../ bash build.sh
	./bitsettest

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