Support for Signal calls.

Merge in RedPhone

// FREEBIE

jni/webrtc/modules/audio_processing/ns/Android.mk

@@ -0,0 +1,96 @@
+# Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
+#
+# Use of this source code is governed by a BSD-style license
+# that can be found in the LICENSE file in the root of the source
+# tree. An additional intellectual property rights grant can be found
+# in the file PATENTS.  All contributing project authors may
+# be found in the AUTHORS file in the root of the source tree.
+
+#############################
+# Build the non-neon library.
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+include $(LOCAL_PATH)/../../../../android-webrtc.mk
+
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE := libwebrtc_ns
+LOCAL_MODULE_TAGS := optional
+LOCAL_GENERATED_SOURCES :=
+LOCAL_SRC_FILES := \
+    noise_suppression_x.c \
+    nsx_core.c \
+    nsx_core_c.c
+
+# Files for floating point.
+# noise_suppression.c ns_core.c
+
+# Flags passed to both C and C++ files.
+LOCAL_CFLAGS := $(MY_WEBRTC_COMMON_DEFS)
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/include \
+    $(LOCAL_PATH)/../utility \
+    $(LOCAL_PATH)/../../.. \
+    $(LOCAL_PATH)/../../../common_audio/signal_processing/include \
+    $(LOCAL_PATH)/../../../system_wrappers/interface \
+    $(LOCAL_PATH)/../../../..
+
+LOCAL_STATIC_LIBRARIES += libwebrtc_system_wrappers
+
+LOCAL_SHARED_LIBRARIES := \
+    libcutils \
+    libdl \
+    libstlport
+
+ifndef NDK_ROOT
+include external/stlport/libstlport.mk
+endif
+include $(BUILD_STATIC_LIBRARY)
+
+#############################
+# Build the neon library.
+ifeq ($(WEBRTC_BUILD_NEON_LIBS),true)
+
+include $(CLEAR_VARS)
+
+LOCAL_ARM_MODE := arm
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE := libwebrtc_ns_neon
+LOCAL_MODULE_TAGS := optional
+NS_ASM_HEADER := $(intermediates)/ns_core_neon_offsets.h
+NS_ASM_HEADER_DIR := $(intermediates)
+
+# Generate a header file nsx_core_neon_offsets.h which will be included in
+# assembly file nsx_core_neon.S, from file nsx_core_neon_offsets.c.
+$(NS_ASM_HEADER): $(LOCAL_PATH)/../../../build/generate_asm_header.py \
+	    $(LOCAL_PATH)/nsx_core_neon_offsets.c
+	@python $^ --compiler=$(TARGET_CC) --options="$(addprefix -I, \
+		$(LOCAL_INCLUDES)) $(addprefix -isystem , $(TARGET_C_INCLUDES)) -S" \
+		--dir=$(NS_ASM_HEADER_DIR)
+
+LOCAL_GENERATED_SOURCES := $(NS_ASM_HEADER)
+LOCAL_SRC_FILES := nsx_core_neon.S
+
+# Flags passed to both C and C++ files.
+LOCAL_CFLAGS := \
+    $(MY_WEBRTC_COMMON_DEFS) \
+    -mfpu=neon \
+    -mfloat-abi=softfp \
+    -flax-vector-conversions
+
+LOCAL_C_INCLUDES := \
+    $(NS_ASM_HEADER_DIR) \
+    $(LOCAL_PATH)/include \
+    $(LOCAL_PATH)/../../.. \
+    $(LOCAL_PATH)/../../../common_audio/signal_processing/include \
+    external/webrtc
+
+LOCAL_INCLUDES := $(LOCAL_C_INCLUDES)
+
+ifndef NDK_ROOT
+include external/stlport/libstlport.mk
+endif
+include $(BUILD_STATIC_LIBRARY)
+endif # ifeq ($(WEBRTC_BUILD_NEON_LIBS),true)