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# Copyright (c) 2014 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("//build/config/arm.gni")
import("//build/config/mips.gni")
import("//build_overrides/webrtc.gni")
declare_args() {
build_with_libjingle = true
# Disable this to avoid building the Opus audio codec.
rtc_include_opus = true
# Used to specify an external Jsoncpp include path when not compiling the
# library that comes with WebRTC (i.e. rtc_build_json == 0).
rtc_jsoncpp_root = "//third_party/jsoncpp/source/include"
# Used to specify an external OpenSSL include path when not compiling the
# library that comes with WebRTC (i.e. rtc_build_ssl == 0).
rtc_ssl_root = ""
# Selects fixed-point code where possible.
rtc_prefer_fixed_point = false
# Enable data logging. Produces text files with data logged within engines
# which can be easily parsed for offline processing.
rtc_enable_data_logging = false
# Enables the use of protocol buffers for debug recordings.
rtc_enable_protobuf = true
# Disable these to not build components which can be externally provided.
rtc_build_expat = true
rtc_build_json = true
rtc_build_libjpeg = true
rtc_build_libvpx = true
rtc_build_libyuv = true
rtc_build_openmax_dl = true
rtc_build_opus = true
rtc_build_ssl = true
# Disable by default.
rtc_have_dbus_glib = false
# Enable to use the Mozilla internal settings.
build_with_mozilla = false
rtc_enable_android_opensl = false
# Link-Time Optimizations.
# Executes code generation at link-time instead of compile-time.
# https://gcc.gnu.org/wiki/LinkTimeOptimization
rtc_use_lto = false
if (build_with_libjingle) {
rtc_include_tests = false
rtc_restrict_logging = true
} else {
rtc_include_tests = true
rtc_restrict_logging = false
}
if (is_ios) {
rtc_build_libjpeg = false
rtc_enable_protobuf = false
}
if (current_cpu == "arm") {
rtc_prefer_fixed_point = true
}
# TODO(ljubomir): Unset rtc_use_openmax_dl for mips64el once mips64el gets
# supported in GN (since openmax_dl is not supported for mips64el).
if (!is_ios && (current_cpu != "arm" || arm_version >= 7)) {
rtc_use_openmax_dl = true
} else {
rtc_use_openmax_dl = false
}
# Determines whether NEON code will be built.
rtc_build_with_neon =
(current_cpu == "arm" && (arm_use_neon || arm_optionally_use_neon)) ||
current_cpu == "arm64"
# Enable this to use HW H.264 encoder/decoder on iOS PeerConnections.
# Enabling this may break interop with Android clients that support H264.
rtc_use_objc_h264 = false
# Enable this to build H.264 encoder/decoder using third party libraries.
# Encoding uses OpenH264 and decoding uses FFmpeg. Because of this, OpenH264
# and FFmpeg have to be correctly enabled separately.
# - use_openh264=true is required for OpenH264 targets to be defined.
# - ffmpeg_branding="Chrome" is one way to support H.264 decoding in FFmpeg.
# FFmpeg can be built with/without H.264 support, see 'ffmpeg_branding'.
# Without it, it compiles but H264DecoderImpl fails to initialize.
# CHECK THE OPENH264, FFMPEG AND H.264 LICENSES/PATENTS BEFORE BUILDING.
# http://www.openh264.org, https://www.ffmpeg.org/
use_third_party_h264 = false # TODO(hbos): To be used in follow-up CL(s).
}
# Make it possible to provide custom locations for some libraries (move these
# up into declare_args should we need to actually use them for the GN build).
rtc_libvpx_dir = "//third_party/libvpx_new"
rtc_libyuv_dir = "//third_party/libyuv"
rtc_opus_dir = "//third_party/opus"
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