1 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved. 2 # 3 # Use of this source code is governed by a BSD-style license 4 # that can be found in the LICENSE file in the root of the source 5 # tree. An additional intellectual property rights grant can be found 6 # in the file PATENTS. All contributing project authors may 7 # be found in the AUTHORS file in the root of the source tree. 8 9 import("//build/config/arm.gni") 10 import("//third_party/protobuf/proto_library.gni") 11 import("../../build/webrtc.gni") 12 13 declare_args() { 14 # Outputs some low-level debug files. 15 aec_debug_dump = false 16 17 # Disables the usual mode where we trust the reported system delay 18 # values the AEC receives. The corresponding define is set appropriately 19 # in the code, but it can be force-enabled here for testing. 20 aec_untrusted_delay_for_testing = false 21 } 22 23 source_set("audio_processing") { 24 sources = [ 25 "aec/include/echo_cancellation.h", 26 "aec/echo_cancellation.c", 27 "aec/echo_cancellation_internal.h", 28 "aec/aec_core.h", 29 "aec/aec_core.c", 30 "aec/aec_core_internal.h", 31 "aec/aec_rdft.h", 32 "aec/aec_rdft.c", 33 "aec/aec_resampler.h", 34 "aec/aec_resampler.c", 35 "aecm/include/echo_control_mobile.h", 36 "aecm/echo_control_mobile.c", 37 "aecm/aecm_core.c", 38 "aecm/aecm_core.h", 39 "agc/include/gain_control.h", 40 "agc/analog_agc.c", 41 "agc/analog_agc.h", 42 "agc/digital_agc.c", 43 "agc/digital_agc.h", 44 "audio_buffer.cc", 45 "audio_buffer.h", 46 "audio_processing_impl.cc", 47 "audio_processing_impl.h", 48 "common.h", 49 "echo_cancellation_impl.cc", 50 "echo_cancellation_impl.h", 51 "echo_control_mobile_impl.cc", 52 "echo_control_mobile_impl.h", 53 "gain_control_impl.cc", 54 "gain_control_impl.h", 55 "high_pass_filter_impl.cc", 56 "high_pass_filter_impl.h", 57 "include/audio_processing.h", 58 "level_estimator_impl.cc", 59 "level_estimator_impl.h", 60 "noise_suppression_impl.cc", 61 "noise_suppression_impl.h", 62 "processing_component.cc", 63 "processing_component.h", 64 "rms_level.cc", 65 "rms_level.h", 66 "typing_detection.cc", 67 "typing_detection.h", 68 "utility/delay_estimator.c", 69 "utility/delay_estimator.h", 70 "utility/delay_estimator_internal.h", 71 "utility/delay_estimator_wrapper.c", 72 "utility/delay_estimator_wrapper.h", 73 "utility/fft4g.c", 74 "utility/fft4g.h", 75 "utility/ring_buffer.c", 76 "utility/ring_buffer.h", 77 "voice_detection_impl.cc", 78 "voice_detection_impl.h", 79 ] 80 81 configs += [ "../..:common_config" ] 82 direct_dependent_configs = [ "../..:common_inherited_config" ] 83 84 defines = [] 85 deps = [] 86 87 if (aec_debug_dump) { 88 defines += [ "WEBRTC_AEC_DEBUG_DUMP" ] 89 } 90 91 if (aec_untrusted_delay_for_testing) { 92 defines += [ "WEBRTC_UNTRUSTED_DELAY" ] 93 } 94 95 if (rtc_enable_protobuf) { 96 defines += [ "WEBRTC_AUDIOPROC_DEBUG_DUMP" ] 97 deps += [ ":audioproc_debug_proto" ] 98 } 99 100 if (rtc_prefer_fixed_point) { 101 defines += [ "WEBRTC_NS_FIXED" ] 102 sources += [ 103 "ns/include/noise_suppression_x.h", 104 "ns/noise_suppression_x.c", 105 "ns/nsx_core.c", 106 "ns/nsx_core.h", 107 "ns/nsx_defines.h", 108 ] 109 if (cpu_arch == "mipsel") { 110 sources += [ "ns/nsx_core_mips.c" ] 111 } else { 112 sources += [ "ns/nsx_core_c.c" ] 113 } 114 } else { 115 defines += [ "WEBRTC_NS_FLOAT" ] 116 sources += [ 117 "ns/defines.h", 118 "ns/include/noise_suppression.h", 119 "ns/noise_suppression.c", 120 "ns/ns_core.c", 121 "ns/ns_core.h", 122 "ns/windows_private.h", 123 ] 124 } 125 126 if (cpu_arch == "x86" || cpu_arch == "x64") { 127 deps += [ ":audio_processing_sse2" ] 128 } 129 130 if (rtc_build_armv7_neon) { 131 deps += [ ":audio_processing_neon" ] 132 } 133 134 if (cpu_arch == "mipsel") { 135 sources += [ "aecm/aecm_core_mips.c" ] 136 if (mips_fpu) { 137 sources += [ 138 "aec/aec_core_mips.c", 139 "aec/aec_rdft_mips.c", 140 ] 141 } 142 } else { 143 sources += [ "aecm/aecm_core_c.c" ] 144 } 145 146 if (is_win) { 147 cflags = [ 148 # TODO(jschuh): Bug 1348: fix this warning. 149 "/wd4267", # size_t to int truncations 150 ] 151 } 152 153 if (is_clang) { 154 # Suppress warnings from Chrome's Clang plugins. 155 # See http://code.google.com/p/webrtc/issues/detail?id=163 for details. 156 configs -= [ "//build/config/clang:find_bad_constructs" ] 157 } 158 159 deps += [ 160 "../../base:rtc_base_approved", 161 "../../common_audio", 162 "../../system_wrappers", 163 ] 164 } 165 166 if (rtc_enable_protobuf) { 167 proto_library("audioproc_debug_proto") { 168 sources = [ "debug.proto" ] 169 170 proto_out_dir = "webrtc/audio_processing" 171 } 172 } 173 174 if (cpu_arch == "x86" || cpu_arch == "x64") { 175 source_set("audio_processing_sse2") { 176 sources = [ 177 "aec/aec_core_sse2.c", 178 "aec/aec_rdft_sse2.c", 179 ] 180 181 cflags = [ "-msse2" ] 182 183 configs += [ "../..:common_inherited_config" ] 184 } 185 } 186 187 if (rtc_build_armv7_neon) { 188 source_set("audio_processing_neon") { 189 sources = [ 190 "aec/aec_core_neon.c", 191 "aec/aec_rdft_neon.c", 192 ] 193 194 deps = [ "../../common_audio" ] 195 196 if (is_android || is_ios) { 197 sources += [ 198 # TODO(andrew): Re-enable these once webrtc:3580 is resolved. 199 #"aecm/aecm_core_neon.S", 200 #"ns/nsx_core_neon.S", 201 ] 202 203 include_dirs = [ target_out_dir ] 204 } else { 205 sources += [ 206 "aecm/aecm_core_neon.c", 207 "ns/nsx_core_neon.c", 208 ] 209 } 210 211 # Enable compilation for the ARM v7 Neon instruction set. This is needed 212 # since //build/config/arm.gni only enables Neon for iOS, not Android. 213 # This provides the same functionality as webrtc/build/arm_neon.gypi. 214 # TODO(kjellander): Investigate if this can be moved into webrtc.gni or 215 # //build/config/arm.gni instead, to reduce code duplication. 216 # Remove the -mfpu=vfpv3-d16 cflag. 217 configs -= [ "//build/config/compiler:compiler_arm_fpu" ] 218 cflags = [ 219 "-flax-vector-conversions", 220 "-mfpu=neon", 221 ] 222 223 # Disable LTO in audio_processing_neon target due to compiler bug. 224 if (rtc_use_lto) { 225 cflags -= [ 226 "-flto", 227 "-ffat-lto-objects", 228 ] 229 } 230 } 231 } 232
