# Copyright (c) 2019 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.

import("../../../webrtc.gni")

rtc_library("legacy_ns") {
  visibility = [ "*" ]  # Only targets in this file can depend on this.
  sources = [
    "legacy_noise_suppression.cc",
    "legacy_noise_suppression.h",
  ]

  if (rtc_prefer_fixed_point) {
    defines = [ "WEBRTC_NS_FIXED" ]
  } else {
    defines = [ "WEBRTC_NS_FLOAT" ]
  }

  deps = [
    ":legacy_ns_c",
    "..:audio_buffer",
    "../../../common_audio",
    "../../../common_audio:common_audio_c",
    "../../../rtc_base:checks",
    "../../../rtc_base:rtc_base_approved",
    "../../../system_wrappers:cpu_features_api",
  ]
}

rtc_library("legacy_ns_c") {
  visibility = [ "*" ]  # Only targets in this file can depend on this.
  sources = [
    "windows_private.h",
  ]

  if (rtc_prefer_fixed_point) {
    sources += [
      "noise_suppression_x.c",
      "noise_suppression_x.h",
      "nsx_core.c",
      "nsx_core.h",
      "nsx_core_c.c",
      "nsx_defines.h",
    ]
  } else {
    sources += [
      "defines.h",
      "noise_suppression.c",
      "noise_suppression.h",
      "ns_core.c",
      "ns_core.h",
    ]
  }

  if (rtc_prefer_fixed_point) {
    defines = [ "WEBRTC_NS_FIXED" ]
  } else {
    defines = [ "WEBRTC_NS_FLOAT" ]
  }

  deps = [
    "..:audio_buffer",
    "../../../common_audio",
    "../../../common_audio:common_audio_c",
    "../../../common_audio/third_party/fft4g",
    "../../../rtc_base:checks",
    "../../../rtc_base:rtc_base_approved",
    "../../../system_wrappers:cpu_features_api",
  ]

  if (rtc_build_with_neon) {
    sources += [ "nsx_core_neon.c" ]

    if (current_cpu != "arm64") {
      # Enable compilation for the NEON instruction set.
      suppressed_configs += [ "//build/config/compiler:compiler_arm_fpu" ]
      cflags = [ "-mfpu=neon" ]
    }
  }
}

if (rtc_include_tests) {
  rtc_source_set("legacy_ns_unittests") {
    testonly = true

    configs += []
    sources = [
      "legacy_noise_suppression_unittest.cc",
    ]

    deps = [
      "..:audio_buffer",
      "..:audioproc_test_utils",
      "../../../api:array_view",
      "../../../test:test_support",
    ]

    defines = []

    if (rtc_enable_protobuf) {
      sources += []
    }
  }
}