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-rw-r--r--audio/format.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/audio/format.c b/audio/format.c
index 9625857ada..012d24b010 100644
--- a/audio/format.c
+++ b/audio/format.c
@@ -29,6 +29,8 @@
int af_fmt2bits(int format)
{
if (AF_FORMAT_IS_AC3(format)) return 16;
+ if (format == AF_FORMAT_UNKNOWN)
+ return 0;
return (format & AF_FORMAT_BITS_MASK)+8;
// return (((format & AF_FORMAT_BITS_MASK)>>3)+1) * 8;
#if 0