From: Good Guy <good1.2guy@gmail.com>
Date: Sat, 6 Dec 2025 18:40:49 +0000 (-0700)
Subject: Credit Rob/Andrew - found error bitshift of a negative value and patchfix for forced... 
X-Git-Url: https://git.cinelerra-gg.org/?a=commitdiff_plain;h=2774a39695b82e7b7ca9979fedba63ab0fd2ab89;p=goodguy%2Fcinelerra.git

Credit Rob/Andrew - found error bitshift of a negative value and patchfix for forced build of audiofile
---

diff --git a/cinelerra-5.1/audiofile-0.3.6.patch b/cinelerra-5.1/audiofile-0.3.6.patch
new file mode 100644
index 00000000..40c2a5d8
--- /dev/null
+++ b/cinelerra-5.1/audiofile-0.3.6.patch
@@ -0,0 +1,14 @@
+diff --git a/libaudiofile/modules/SimpleModule.h b/libaudiofile/modules/SimpleModule.h
+index 03c6c69..bad85ad 100644
+--- a/libaudiofile/modules/SimpleModule.h
++++ b/libaudiofile/modules/SimpleModule.h
+@@ -123,7 +123,8 @@ struct signConverter
+ 	typedef typename IntTypes<Format>::UnsignedType UnsignedType;
+ 
+ 	static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;
+-	static const int kMinSignedValue = -1 << kScaleBits;
++	static const int kMaxSignedValue = (((1 << (kScaleBits - 1)) - 1) << 1) + 1;
++	static const int kMinSignedValue = -kMaxSignedValue - 1;
+ 
+ 	struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>
+ 	{