Support for Signal calls.

Merge in RedPhone

// FREEBIE

jni/webrtc/common_audio/signal_processing/Android.mk

@@ -0,0 +1,127 @@
+# 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.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+include $(LOCAL_PATH)/../../../android-webrtc.mk
+
+LOCAL_ARM_MODE := arm
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+LOCAL_MODULE := libwebrtc_spl
+LOCAL_MODULE_TAGS := optional
+LOCAL_SRC_FILES := \
+    auto_corr_to_refl_coef.c \
+    auto_correlation.c \
+    complex_fft.c \
+    copy_set_operations.c \
+    cross_correlation.c \
+    division_operations.c \
+    dot_product_with_scale.c \
+    downsample_fast.c \
+    energy.c \
+    filter_ar.c \
+    filter_ma_fast_q12.c \
+    get_hanning_window.c \
+    get_scaling_square.c \
+    ilbc_specific_functions.c \
+    levinson_durbin.c \
+    lpc_to_refl_coef.c \
+    min_max_operations.c \
+    randomization_functions.c \
+    real_fft.c \
+    refl_coef_to_lpc.c \
+    resample.c \
+    resample_48khz.c \
+    resample_by_2.c \
+    resample_by_2_internal.c \
+    resample_fractional.c \
+    spl_init.c \
+    spl_sqrt.c \
+    spl_version.c \
+    splitting_filter.c \
+    sqrt_of_one_minus_x_squared.c \
+    vector_scaling_operations.c
+
+# Flags passed to both C and C++ files.
+LOCAL_CFLAGS := \
+    $(MY_WEBRTC_COMMON_DEFS) \
+    -DWEBRTC_POSIX
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/include \
+    $(LOCAL_PATH)/../.. \
+    $(LOCAL_PATH)/../../..
+
+ifeq ($(ARCH_ARM_HAVE_ARMV7A),true)
+LOCAL_SRC_FILES += \
+    filter_ar_fast_q12_armv7.S
+else
+LOCAL_SRC_FILES += \
+    filter_ar_fast_q12.c
+endif
+
+ifeq ($(TARGET_ARCH),arm)
+LOCAL_SRC_FILES += \
+    complex_bit_reverse_arm.S \
+    spl_sqrt_floor_arm.S
+else
+LOCAL_SRC_FILES += \
+    complex_bit_reverse.c \
+    spl_sqrt_floor.c
+endif
+
+LOCAL_SHARED_LIBRARIES := libstlport
+
+ifeq ($(TARGET_OS)-$(TARGET_SIMULATOR),linux-true)
+LOCAL_LDLIBS += -ldl -lpthread
+endif
+
+ifneq ($(TARGET_SIMULATOR),true)
+LOCAL_SHARED_LIBRARIES += libdl
+endif
+
+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_spl_neon
+LOCAL_MODULE_TAGS := optional
+LOCAL_SRC_FILES := \
+    cross_correlation_neon.S \
+    downsample_fast_neon.S \
+    min_max_operations_neon.S \
+    vector_scaling_operations_neon.S
+
+# Flags passed to both C and C++ files.
+LOCAL_CFLAGS := \
+    $(MY_WEBRTC_COMMON_DEFS) \
+    $(MY_ARM_CFLAGS_NEON)
+
+LOCAL_C_INCLUDES := \
+    $(LOCAL_PATH)/include \
+    $(LOCAL_PATH)/../.. \
+    external/webrtc
+
+ifndef NDK_ROOT
+include external/stlport/libstlport.mk
+endif
+include $(BUILD_STATIC_LIBRARY)
+
+endif # ifeq ($(WEBRTC_BUILD_NEON_LIBS),true)
+