Add record_max_nf()

[fgen.git] / fgen.sh

diff --git a/fgen.sh b/fgen.sh
index 1546f8a..5ffb9d7 100755 (executable)
--- a/fgen.sh
+++ b/fgen.sh
@@ -160,14 +160,19 @@ function insert_empty_frames()
     done
 }
 
+function record_max_nf()
+{
+    if [ ${nf} -gt ${max_nf} ]; then
+        max_nf="${nf}"
+    fi
+}
+
 function generate_video()
 {
     local png_files
 
     if which ffmpeg 1> /dev/null 2>&1; then
-        set +e
-        png_files=$(ls ${dest}/${dest}-${group}-f*.png 2> /dev/null)
-        set -e
+        png_files=$(ls ${dest}/${dest}-${group}-f*.png 2> /dev/null || echo "")
 
         if [ x"${png_files}" != x"" ]; then
             log_dbg "generate_video start"
@@ -292,6 +297,7 @@ if [ ${trames} -eq 1 ]; then
     convert -size ${size} xc:none ${dest}/background.png
 
     nf=""
+    max_nf="0"
     oldnf=""
     files=""
     group="default"
@@ -357,6 +363,7 @@ if [ ${trames} -eq 1 ]; then
             fi
 
             log_dbg "New frame ID: ${nf}"
+            record_max_nf
 
             fname=$(get_frame_name ${nf})