add libneon to check if cpu is neon capable

java/src/org/linphone/mediastream/CpuUtils.java

+package org.linphone.mediastream;
+/*
+CpuUtils.java
+Copyright (C) 2013  Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+/**
+ * @author Sylvain Berfini
+ */
+public class CpuUtils {
+	private native boolean hasNeon();
+	
+	public CpuUtils() {
+		
+	}
+	
+	public boolean isCpuNeon() {
+		return hasNeon();
+	}
+}

jni/Application.mk

 APP_PROJECT_PATH := $(call my-dir)/../
-APP_MODULES      :=libspeex libgsm libortp libavutil libavcore libavcodec libswscale libvpx libmediastreamer2
+APP_MODULES      :=libneon libspeex libgsm libortp libavutil libavcore libavcodec libswscale libvpx libmediastreamer2
 
 APP_STL := stlport_static
 

jni/libneon/Android.mk

+##
+## Android.mk -Android build script-
+##
+##
+## Copyright (C) 2010  Belledonne Communications, Grenoble, France
+##
+##  This program is free software; you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation; either version 2 of the License, or
+##  (at your option) any later version.
+##
+##  This program is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with this program; if not, write to the Free Software
+##  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+##
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_CPP_EXTENSION := .cc
+
+LOCAL_SRC_FILES := \
+	libneon_jni.cc
+	
+LOCAL_STATIC_LIBRARIES := cpufeatures
+
+LOCAL_MODULE := libneon
+
+include $(BUILD_SHARED_LIBRARY)
+
+$(call import-module,android/cpufeatures)

jni/libneon/libneon_jni.cc

+/*
+libneon_jni.cc
+Copyright (C) 2013  Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#include <jni.h>
+
+extern "C" {
+#include <cpu-features.h>
+#include <android/log.h>
+
+static JavaVM *jvm=0;
+
+JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *ajvm, void *reserved)
+{
+	jvm=ajvm;
+	return JNI_VERSION_1_2;
+}
+
+extern "C" jboolean Java_org_linphone_mediastream_CpuUtils_hasNeon(JNIEnv* env, jobject thiz) {
+	return android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON;
+}
+}