put in ffmpeg version test

distros/ubuntu1604/zoneminder.postinst

@@ -44,6 +44,11 @@ if [ "$1" = "configure" ]; then
                 # Ensure zoneminder is stopped
                 deb-systemd-invoke stop zoneminder.service || exit $?
                 zmupdate.pl --nointeractive
+OLD_DIR_EVENTS=mysql -u $ZM_DB_USER --password="$ZM_DB_PASS" -h $ZM_DB_HOST -N -B $ZM_DB_NAME <<EOF
+SELECT Value FROM Config WHERE Name='ZM_DIR_EVENTS';
+EOF
+echo "Value of ZM_DIR_EVENTS is $OLD_DIR_EVENTS ";
+
                 zmupdate.pl --nointeractive -f
                 echo "Done Updating, starting ZoneMinder"
                 deb-systemd-invoke start zoneminder.service || exit $?

src/zm_videostore.cpp

@@ -455,11 +455,13 @@ bool VideoStore::setup_resampler() {
   // Now copy them to the output stream
   audio_output_stream = avformat_new_stream( oc, audio_output_codec );
 
+#if LIBAVCODEC_VERSION_CHECK(57, 0, 0, 0, 0)
   ret = avcodec_parameters_from_context( audio_output_stream->codecpar, audio_output_context );
   if ( ret < 0 ) {
     Error( "Could not initialize stream parameteres");
     return false;
   } 
+#endif
 
   AVDictionary *opts = NULL;
   av_dict_set( &opts, "strict", "experimental", 0);