MISC: enable --with-ffmpeg for CI builds to test HLS support

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

misc/Dockerfile

@@ -2,7 +2,8 @@ FROM gcc:latest
 
 RUN apt-get update && apt-get install -y \
   libgcrypt20-dev libsndfile1-dev libmpg123-dev libzita-resampler-dev \
-  libfftw3-dev autoconf-archive clang
+  libfftw3-dev libavcodec-dev libavformat-dev autoconf-archive clang \
+  ffmpeg
 
 ADD . /audiowmark
 WORKDIR /audiowmark

misc/Dockerfile-arch

@@ -3,7 +3,8 @@ FROM archlinux
 RUN pacman -Syu --noconfirm
 RUN pacman -S --noconfirm \
     gcc clang make automake autoconf pkg-config \
-    libsndfile mpg123 zita-resampler fftw autoconf-archive
+    libsndfile mpg123 zita-resampler fftw autoconf-archive \
+    ffmpeg
 
 ADD . /audiowmark
 WORKDIR /audiowmark

misc/build.sh

@@ -23,10 +23,10 @@ build()
 # Tests using gcc
 export CC=gcc CXX=g++
 
-build
+build --with-ffmpeg
 make -j `nproc` distcheck
 
 # Tests clang
 export CC=clang CXX=clang++
 
-build
+build --with-ffmpeg