[DRE-commits] [ruby-wavefile] 01/02: use little-endian pack codes (https://github.com/jstrait/wavefile/pull/18)

[Hanno Zulla]

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hanno-guest pushed a commit to branch master
in repository ruby-wavefile.

commit 09b939eae447b23d6ff3f31d306be1fa4c7d4e6e
Author: Hanno Zulla <hanno.zulla at epublica.de>
Date:   Fri Feb 26 15:17:10 2016 +0100

    use little-endian pack codes
    (https://github.com/jstrait/wavefile/pull/18)
---
 debian/patches/01-big-endian.patch | 35 +++++++++++++++++++++++++++++++++++
 debian/patches/series              |  1 +
 2 files changed, 36 insertions(+)

diff --git a/debian/patches/01-big-endian.patch b/debian/patches/01-big-endian.patch
new file mode 100644
index 0000000..fbec4f7
--- /dev/null
+++ b/debian/patches/01-big-endian.patch
@@ -0,0 +1,35 @@
+Description: use little-endian pack codes
+ The wavefile gem is using "native endian" pack codes where "little
+ endian" need to be specified for RIFF files. This patch makes sure
+ that the wavefile gem works correctly on big-endian hardware. 
+ <URL: https://github.com/jstrait/wavefile/pull/18>.
+Forwarded: yes
+Author: Hanno Zulla <kontakt at hanno.de>
+Last-Update: 2016-02-26
+
+Index: ruby-wavefile/lib/wavefile.rb
+===================================================================
+--- ruby-wavefile.orig/lib/wavefile.rb	2016-02-26 15:06:57.010860717 +0100
++++ ruby-wavefile/lib/wavefile.rb	2016-02-26 15:12:55.094391776 +0100
+@@ -25,7 +25,7 @@
+                :sample       => "smpl",
+                :instrument   => "inst" }    # :nodoc:
+ 
+-  PACK_CODES = {:pcm => {8 => "C*", 16 => "s*", 24 => "C*", 32 => "l*"},
++  PACK_CODES = {:pcm => {8 => "C*", 16 => "s<*", 24 => "C*", 32 => "l<*"},
+                 :float => { 32 => "e*", 64 => "E*"}}    # :nodoc:
+ 
+   UNSIGNED_INT_16 = "v"    # :nodoc:
+Index: ruby-wavefile/lib/wavefile/writer.rb
+===================================================================
+--- ruby-wavefile.orig/lib/wavefile/writer.rb	2016-02-26 15:06:57.010860717 +0100
++++ ruby-wavefile/lib/wavefile/writer.rb	2016-02-26 15:13:03.438380850 +0100
+@@ -76,7 +76,7 @@
+ 
+       if @format.bits_per_sample == 24 && @format.sample_format == :pcm
+         samples.flatten.each do |sample|
+-          @file.syswrite([sample].pack("lX"))
++          @file.syswrite([sample].pack("l<X"))
+         end
+       else
+         @file.syswrite(samples.flatten.pack(@pack_code))
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
index 0000000..8fcba7f
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+01-big-endian.patch

-- 
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