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-rw-r--r--mkvlib/ass.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/mkvlib/ass.go b/mkvlib/ass.go
index 71d8807..b133564 100644
--- a/mkvlib/ass.go
+++ b/mkvlib/ass.go
@@ -140,7 +140,12 @@ func (self *assProcessor) parse() bool {
if len(v) > 2 {
switch v[1] {
case "b":
- _b = v[2] == "1"
+ i, _ := strconv.Atoi(v[2])
+ if i == 0 || (i > 1 && i < 612) {
+ _b = false
+ } else if i == 1 || i > 611 {
+ _b = true
+ }
break
case "i":
_i = v[2] == "1"