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[PATCH v2 5/6] audio: fix saturation nonlinearity in clip_* functions
From: |
Volker Rümelin |
Subject: |
[PATCH v2 5/6] audio: fix saturation nonlinearity in clip_* functions |
Date: |
Sun, 8 Mar 2020 20:33:20 +0100 |
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 <address@hidden>
---
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 fc8e1d4d9e..bc8509e423 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;
}
--
2.16.4
- [PATCH v2 0/6] mostly changes related to audio float samples, Volker Rümelin, 2020/03/08
- [PATCH v2 1/6] qapi/audio: add documentation for AudioFormat, Volker Rümelin, 2020/03/08
- [PATCH v2 4/6] audio: change mixing engine float range to [-1.f, 1.f], Volker Rümelin, 2020/03/08
- [PATCH v2 3/6] audio: consistency changes, Volker Rümelin, 2020/03/08
- [PATCH v2 2/6] audio: change naming scheme of FLOAT_CONV macros, Volker Rümelin, 2020/03/08
- [PATCH v2 5/6] audio: fix saturation nonlinearity in clip_* functions,
Volker Rümelin <=
- [PATCH v2 6/6] audio: add audiodev format=f32 option documentation, Volker Rümelin, 2020/03/08
- Re: [PATCH v2 0/6] mostly changes related to audio float samples, Gerd Hoffmann, 2020/03/16