[PULL 5/6] audio: fix saturation nonlinearity in clip_* functions

[Gerd Hoffmann]

From: Volker Rümelin <vr_q...@t-online.de>

The current positive limit for the saturation nonlinearity is
only correct if the type of the result has 8 bits or less.

Signed-off-by: Volker Rümelin <vr_q...@t-online.de>
Message-id: 20200308193321.20668-5-vr_q...@t-online.de
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
 audio/mixeng_template.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/audio/mixeng_template.h b/audio/mixeng_template.h
index fc8e1d4d9ebf..bc8509e423f6 100644
--- a/audio/mixeng_template.h
+++ b/audio/mixeng_template.h
@@ -83,10 +83,9 @@ static inline int64_t glue (conv_, ET) (IN_T v)
 
 static inline IN_T glue (clip_, ET) (int64_t v)
 {
-    if (v >= 0x7f000000) {
+    if (v >= 0x7fffffffLL) {
         return IN_MAX;
-    }
-    else if (v < -2147483648LL) {
+    } else if (v < -2147483648LL) {
         return IN_MIN;
     }
 
-- 
2.18.2