From a2a5083dc9bf51d92f7c001d60fc554b901eade0 Mon Sep 17 00:00:00 2001
From: dhewg
Date: Fri, 11 Mar 2011 20:43:38 +0100
Subject: AUDIO: Work around ARM code volume limits

The ARM specific rate converters work with 8bit volume vars. Limit
volumes to 0xff to prevent crackling.
---
 audio/rate_arm.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'audio/rate_arm.cpp')

diff --git a/audio/rate_arm.cpp b/audio/rate_arm.cpp
index 41944ef698..d43a531129 100644
--- a/audio/rate_arm.cpp
+++ b/audio/rate_arm.cpp
@@ -320,6 +320,12 @@ int LinearRateConverter<stereo, reverseStereo>::flow(AudioStream &input, st_samp
 #endif
 	st_sample_t *ostart = obuf;
 
+	if (vol_l > 0xff)
+		vol_l = 0xff;
+
+	if (vol_r > 0xff)
+		vol_r = 0xff;
+
 	if (!stereo) {
 		obuf = ARM_LinearRate_M(input,
 		                        &SimpleRate_readFudge,
-- 
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