Use variable for video output file

diff --git a/fgen.sh b/fgen.sh
index 686fff9..f303f1a 100755 (executable)
--- a/fgen.sh
+++ b/fgen.sh
@@ -171,10 +171,15 @@ function generate_video()
 
         if [ x"${png_files}" != x"" ]; then
             log_dbg "generate_video start"
+
+            local outfile
+
+            outfile=${dest}/${group}.mp4
+
             if [ ${dry_run} -eq 1 ]; then
-                touch ${dest}/${group}.mp4
+                touch ${outfile}
             else
-                ffmpeg ${FFMPEG_OPTS} -r ${fps} -pattern_type glob -i "${dest}/${group}-f*.png" ${dest}/${group}.mp4
+                ffmpeg ${FFMPEG_OPTS} -r ${fps} -pattern_type glob -i "${dest}/${dest}-${group}-f*.png" ${outfile}
             fi
 
             log_dbg "generate_video: end"