gnu: Add darkice.

* gnu/packages/audio.scm (darkice): New variable.
* gnu/packages/patches/darkice-workaround-fpermissive-error.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu/local.mk

@@ -748,6 +748,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/cube-nocheck.patch			\
   %D%/packages/patches/cursynth-wave-rand.patch			\
   %D%/packages/patches/cvs-CVE-2017-12836.patch		\
+  %D%/packages/patches/darkice-workaround-fpermissive-error.patch	\
   %D%/packages/patches/dbus-helper-search-path.patch		\
   %D%/packages/patches/dbus-CVE-2019-12749.patch		\
   %D%/packages/patches/dealii-mpi-deprecations.patch		\

gnu/packages/audio.scm

@@ -3751,3 +3751,36 @@ binaural beat tracks of different frequencies and exporting of tracks into
 different audio formats.  Gnaural can also be linked over the internet with
 other Gnaural instances, allowing synchronous sessions between many users.")
     (license license:gpl2+)))
+
+(define-public darkice
+  (package
+    (name "darkice")
+    (version "1.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/darkice/darkice/"
+                                  version "/darkice-" version ".tar.gz"))
+              (sha256
+               (base32 "1rlxds7ssq7nk2in4s46xws7xy9ylxsqgcz85hxjgh17lsm0y39c"))
+              (patches
+               (search-patches "darkice-workaround-fpermissive-error.patch"))))
+    (build-system gnu-build-system)
+    (native-inputs `(("pkg-config" ,pkg-config)))
+    (inputs `(("lame" ,lame)
+              ("libvorbis" ,libvorbis)
+              ("opus" ,opus)
+              ("twolame" ,twolame)
+              ("alsa-lib" ,alsa-lib)
+              ("pulseaudio" ,pulseaudio)
+              ("jack" ,jack-1)
+              ("libsamplerate" ,libsamplerate)))
+    (arguments
+     `(#:configure-flags
+       (list (string-append "--with-lame-prefix="
+                            (assoc-ref %build-inputs "lame")))))
+    (home-page "http://www.darkice.org/")
+    (synopsis "Live audio streamer")
+    (description "DarkIce is a live audio streamer.  It takes audio input from
+a sound card, encodes it into Ogg Vorbis and/or mp3, and sends the audio
+stream to one or more IceCast and/or ShoutCast servers.")
+    (license license:gpl3+)))

gnu/packages/patches/darkice-workaround-fpermissive-error.patch

@@ -0,0 +1,62 @@
+Copied from Debian:
+<https://sources.debian.org/data/main/d/darkice/1.3-0.2/debian/patches/0001-Cast-float-in-SRC-lib-calls-to-delete-fpermissive-co.patch>
+
+From 1e2eb18d349f205c70cb2836232825442359b6e3 Mon Sep 17 00:00:00 2001
+From: belette <ouack23@yahoo.fr>
+Date: Wed, 26 Oct 2016 02:43:43 +0200
+Subject: Cast float* in SRC lib calls to delete fpermissive compilation error
+
+---
+ darkice/trunk/src/FaacEncoder.cpp      | 2 +-
+ darkice/trunk/src/OpusLibEncoder.cpp   | 2 +-
+ darkice/trunk/src/VorbisLibEncoder.cpp | 2 +-
+ darkice/trunk/src/aacPlusEncoder.cpp   | 2 +-
+ 4 files changed, 4 insertions(+), 4 deletions(-)
+
+--- a/src/FaacEncoder.cpp
++++ b/src/FaacEncoder.cpp
+@@ -164,7 +164,7 @@ FaacEncoder :: write (  const void    * buf,
+     if ( converter ) {
+         unsigned int         converted;
+ #ifdef HAVE_SRC_LIB
+-        src_short_to_float_array ((short *) b, converterData.data_in, samples);
++        src_short_to_float_array ((short *) b, (float *) converterData.data_in, samples);
+         converterData.input_frames   = nSamples;
+         converterData.data_out = resampledOffset + (resampledOffsetSize * channels);
+         int srcError = src_process (converter, &converterData);
+--- a/src/OpusLibEncoder.cpp
++++ b/src/OpusLibEncoder.cpp
+@@ -403,7 +403,7 @@ OpusLibEncoder :: write ( const void    * buf,
+ #ifdef HAVE_SRC_LIB
+             (void)inCount;
+             converterData.input_frames   = processed;
+-            src_short_to_float_array (shortBuffer, converterData.data_in, totalSamples);
++            src_short_to_float_array (shortBuffer, (float *) converterData.data_in, totalSamples);
+             int srcError = src_process (converter, &converterData);
+             if (srcError)
+                  throw Exception (__FILE__, __LINE__, "libsamplerate error: ", src_strerror (srcError));
+--- a/src/VorbisLibEncoder.cpp
++++ b/src/VorbisLibEncoder.cpp
+@@ -337,7 +337,7 @@ VorbisLibEncoder :: write ( const void    * buf,
+         int         converted;
+ #ifdef HAVE_SRC_LIB
+         converterData.input_frames   = nSamples;
+-        src_short_to_float_array (shortBuffer, converterData.data_in, totalSamples);
++        src_short_to_float_array (shortBuffer, (float *) converterData.data_in, totalSamples);
+         int srcError = src_process (converter, &converterData);
+         if (srcError)
+              throw Exception (__FILE__, __LINE__, "libsamplerate error: ", src_strerror (srcError));
+--- a/src/aacPlusEncoder.cpp
++++ b/src/aacPlusEncoder.cpp
+@@ -155,7 +155,7 @@ aacPlusEncoder :: write (  const void    * buf,
+     if ( converter ) {
+         unsigned int         converted;
+ #ifdef HAVE_SRC_LIB
+-        src_short_to_float_array ((short *) b, converterData.data_in, samples);
++        src_short_to_float_array ((short *) b, (float *) converterData.data_in, samples);
+         converterData.input_frames   = nSamples;
+         converterData.data_out = resampledOffset + (resampledOffsetSize * channels);
+         int srcError = src_process (converter, &converterData);
+-- 
+2.11.0
+