ALAC/alac_encoder.c : Add correct byte swapping for mChannelLayoutTag.

Patch from Michael Pruett, author of libaudiofile.
libsndfile · Mar 6, 2013 · e11a0c1 · e11a0c1
1 parent ebda7e5
commit e11a0c1
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,9 @@
+2013-03-07  Erik de Castro Lopo  <erikd AT mega-nerd DOT com>
+
+    * src/ALAC/alac_encoder.c
+    Patch from Michael Pruett (author of libaudiofile) to add correct byte
+    swapping for the mChannelLayoutTag field.
+
 2013-03-02  Erik de Castro Lopo  <erikd AT mega-nerd DOT com>
 
     * doc/bugs.html

diff --git a/src/ALAC/alac_encoder.c b/src/ALAC/alac_encoder.c
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011 Apple Inc. All rights reserved.
- * Copyright (C) 2012 Erik de Castro Lopo <erikd@mega-nerd.com>
+ * Copyright (C) 2012-2013 Erik de Castro Lopo <erikd@mega-nerd.com>
  *
  * @APPLE_APACHE_LICENSE_HEADER_START@
  *
@@ -1151,7 +1151,7 @@ alac_get_magic_cookie(ALAC_ENCODER *p, void * outCookie, uint32_t * ioSize )
     GetConfig(p, &theConfig);
     if (theConfig.numChannels > 2)
     {
-        theChannelLayout.mChannelLayoutTag = ALACChannelLayoutTags[theConfig.numChannels - 1];
+        theChannelLayout.mChannelLayoutTag = Swap32NtoB(ALACChannelLayoutTags[theConfig.numChannels - 1]);
         theCookieSize += (sizeof(ALACAudioChannelLayout) + kChannelAtomSize);
     }
      if (*ioSize >= theCookieSize)