Add optional random cut and verbose sync report "syncv".

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

src/ber-test.sh

@@ -45,6 +45,13 @@ do
     fi
 
     audiowmark add "$i" ${AWM_FILE}.wav $PATTERN $AWM_PARAMS --test-key $SEED >/dev/null
+    if [ "x$AWM_RAND_CUT" != x ]; then
+      CUT=$RANDOM
+      audiowmark cut-start "${AWM_FILE}.wav" "${AWM_FILE}.wav" $CUT
+      TEST_CUT_ARGS="--test-cut $CUT"
+    else
+      TEST_CUT_ARGS=""
+    fi
     if [ "x$TRANSFORM" == "xmp3" ]; then
       if [ "x$2" == "x" ]; then
         echo "need mp3 bitrate" >&2
@@ -93,7 +100,7 @@ do
       exit 1
     fi
     # blind decoding
-    audiowmark cmp ${AWM_FILE}.wav $PATTERN $AWM_PARAMS --test-key $SEED
+    audiowmark cmp ${AWM_FILE}.wav $PATTERN $AWM_PARAMS --test-key $SEED $TEST_CUT_ARGS
     # decoding with original
     # audiowmark cmp-delta "$i" t.wav $PATTERN $AWM_PARAMS --test-key $SEED
   done
@@ -102,6 +109,8 @@ done | {
     awk 'BEGIN { bad = n = 0 } $1 == "match_count" { if ($2 == 0) bad++; n++; } END { print bad, n, bad * 100.0 / n; }'
   elif [ "x$AWM_REPORT" == "xsync" ]; then
     awk 'BEGIN { bad = n = 0 } $1 == "sync_match" { bad += (3 - $2) / 3.0; n++; } END { print bad, n, bad * 100.0 / n; }'
+  elif [ "x$AWM_REPORT" == "xsyncv" ]; then
+    awk '{ print "###", $0; } $1 == "sync_match" { correct += $2; missing += 3 - $2; incorrect += $3-$2; print "correct:", correct, "missing:", missing, "incorrect:", incorrect; }'
   else
     echo "unknown report $AWM_REPORT" >&2
     exit 1