package/bcg729: new package

Quoting http://www.linphone.org/technical-corner/bcg729/downloads
regarding patent information:

"ITU G729 Annex A/B were offically released October/November 1996
(https://www.itu.int/rec/T-REC-G.729), hence all patents covering these
specifications shall have expired in November 2016.

Patent pool administrator confirmed most licensed patents under the
G.729 Consortium have expired (http://www.sipro.com/G729.html)."

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

DEVELOPERS

@@ -197,6 +197,7 @@ F:	package/alsa-utils/
 F:	package/apache/
 F:	package/apr/
 F:	package/apr-util/
+F:	package/bcg729/
 F:	package/bluez-tools/
 F:	package/clamav/
 F:	package/dovecot/

package/Config.in

@@ -944,6 +944,7 @@ menu "Audio/Sound"
 	source "package/alsa-lib/Config.in"
 	source "package/aubio/Config.in"
 	source "package/audiofile/Config.in"
+	source "package/bcg729/Config.in"
 	source "package/celt051/Config.in"
 	source "package/fdk-aac/Config.in"
 	source "package/libao/Config.in"

package/bcg729/Config.in

@@ -0,0 +1,7 @@
+config BR2_PACKAGE_BCG729
+	bool "bcg729"
+	help
+	  Bcg729 is an opensource implementation of both encoder and
+	  decoder of the ITU G729 Annex A/B speech codec.
+
+	  http://www.linphone.org/technical-corner/bcg729/overview

package/bcg729/bcg729.hash

@@ -0,0 +1,3 @@
+# Locally computed
+sha256 94b3542a06cbd96306efc19f959f9febae62806a22599063f82a8c33e989d48b  bcg729-1.0.4.tar.gz
+sha256 32b1062f7da84967e7019d01ab805935caa7ab7321a7ced0e30ebe75e5df1670  COPYING

package/bcg729/bcg729.mk

@@ -0,0 +1,21 @@
+################################################################################
+#
+# bcg729
+#
+################################################################################
+
+BCG729_VERSION = 1.0.4
+BCG729_SITE = $(call github,BelledonneCommunications,bcg729,$(BCG729_VERSION))
+BCG729_LICENSE = GPL-2.0+
+BCG729_LICENSE_FILES = COPYING
+BCG729_INSTALL_STAGING = YES
+
+ifeq ($(BR2_STATIC_LIBS),y)
+BCG729_CONF_OPTS += -DENABLE_SHARED=OFF -DENABLE_STATIC=ON
+else ifeq ($(BR2_SHARED_STATIC_LIBS),y)
+BCG729_CONF_OPTS += -DENABLE_SHARED=ON -DENABLE_STATIC=ON
+else ifeq ($(BR2_SHARED_LIBS),y)
+BCG729_CONF_OPTS += -DENABLE_SHARED=ON -DENABLE_STATIC=OFF
+endif
+
+$(eval $(cmake-package))