Adapt sync test report generation to: ferv/comments; --strength

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

src/gen-sync-adoc.sh

@@ -4,10 +4,9 @@ echo ".sync-codec-resistence"
 echo '[frame="topbot",options="header",cols="<2,6*>1"]'
 echo '|=========================='
 echo -n "| "
-for D in $(seq 10 -1 5)
+for STRENGTH in $(seq 10 -1 5)
 do
-  DELTA=$(printf "0.0%02d\n" $D)
-  echo -n "| $DELTA"
+  echo -n "| $STRENGTH"
 done
 echo
 for TEST in mp3 double-mp3 ogg
@@ -22,10 +21,9 @@ do
     echo "error: bad TEST $TEST ???"
     exit 1
   fi
-  for D in $(seq 10 -1 5)
+  for STRENGTH in $(seq 10 -1 5)
   do
-    DELTA=$(printf "0.0%02d\n" $D)
-    cat $DELTA-$TEST-* | awk '{bad += $1; n += $2} END {if (n==0) n=1;fer=100.0*bad/n; bold=fer>0?"*":" ";printf ("| %s%.2f%s", bold, fer, bold)}'
+    cat $STRENGTH-$TEST-* | grep -v '^#' | awk '{bad += $1; n += $2} END {if (n==0) n=1;fer=100.0*bad/n; bold=fer>0?"*":" ";printf ("| %s%.2f%s", bold, fer, bold)}'
   done
   echo
 done