ALP-5359 need libsndfile fixes

See
* https://github.com/libsndfile/libsndfile/pull/819
* https://github.com/libsndfile/libsndfile/pull/820

container/Dockerfile.ascn

@@ -24,6 +24,15 @@ RUN apt-get install -y \
     vorbis-tools \
     faac
 
+# ALP-5359 XXX this is kinda hackish:
+# We need a libsndfile fix, but still want the libsndfile package
+# for other dependencies, so we install the build over it
+RUN curl https://uplex.de/private/libsndfile-1.1.0.tar.xz | tar xvJf - && \
+    cd libsndfile-1.1.0 && \
+    ./configure --prefix=/usr --libdir=/lib/x86_64-linux-gnu && \
+    make && make install && \
+    cd .. && rm -rf libsndfile-1.1.0
+
 RUN git clone https://code.uplex.de/stefan/audiowmark.git && \
     cd audiowmark && \
     ./autogen.sh && \