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# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/linux/pkg_config.gni")
import("//build/config/sanitizers/sanitizers.gni")
import("//build/shim_headers.gni")
import("//third_party/openh264/openh264_args.gni")
import("//third_party/openh264/openh264_sources.gni")
import("//third_party/yasm/yasm_assemble.gni")
# Config shared by all openh264 targets.
config("config") {
cflags = []
defines = []
# GCC and clang flags. MSVS (is_win && !is_clang) does not use cflags.
if (!is_win || is_clang) {
cflags += [
"-Wno-format",
"-Wno-header-hygiene",
"-Wno-unused-function",
"-Wno-unused-value",
]
}
# Platform-specific defines.
if (is_android) {
# Android NDK is necessary for its cpufeatures and this define is what
# OpenH264 code uses to check if it should be used.
defines += [ "ANDROID_NDK" ]
}
}
# YASM assembly is only checked to be working on Windows and Linux.
# Mac is known to fail certain tests when building, but actual assembly
# is believed to work.
# MSAN builds are flaky with assembler. crbug.com/685168
use_assembler = (is_win || is_linux) &&
(target_cpu == "x86" || target_cpu == "x64") && !is_msan
# This IF statement will make the targets visible only on specific builds,
# which will lead to failures on other platforms if accidentally invoked.
if (use_assembler) {
yasm_assemble("openh264_common_yasm") {
include_dirs = openh264_common_include_dirs
sources = openh264_common_sources_asm_x86
if (target_cpu == "x86") {
defines = [ "X86_32" ]
} else { # x64
if (is_mac) {
defines = [
"PREFIX",
"UNIX64",
]
} else if (is_win) {
defines = [ "WIN64" ]
} else if (is_linux) {
defines = [ "UNIX64" ]
}
}
}
yasm_assemble("openh264_processing_yasm") {
include_dirs = openh264_processing_include_dirs
include_dirs += [ "./src/codec/common/x86" ]
sources = openh264_processing_sources_asm_x86
if (target_cpu == "x86") {
defines = [ "X86_32" ]
} else { # x64
if (is_mac) {
defines = [
"PREFIX",
"UNIX64",
]
} else if (is_win) {
defines = [ "WIN64" ]
} else if (is_linux) {
defines = [ "UNIX64" ]
}
}
}
yasm_assemble("openh264_encoder_yasm") {
include_dirs = openh264_encoder_include_dirs
include_dirs += [ "./src/codec/common/x86" ]
sources = openh264_encoder_sources_asm_x86
if (target_cpu == "x86") {
defines = [ "X86_32" ]
} else { # x64
if (is_mac) {
defines = [
"PREFIX",
"UNIX64",
]
} else if (is_win) {
defines = [ "WIN64" ]
} else if (is_linux) {
defines = [ "UNIX64" ]
}
}
}
} # if (is_win || is_linux)
source_set("bundled_common") {
sources = openh264_common_sources
include_dirs = openh264_common_include_dirs
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
configs += [ ":config" ]
deps = []
if (use_assembler) {
defines = [ "X86_ASM" ]
deps += [ ":openh264_common_yasm" ]
}
if (is_android) {
deps += [
# Defines "android_get/setCpu..." functions. The original OpenH264 build
# files replaces these using macros for "wels_..." versions of the same
# functions. We do not have access to these and use the <cpu-features.h>
# ones instead.
"//third_party/android_tools:cpu_features",
]
}
}
source_set("bundled_processing") {
sources = openh264_processing_sources
include_dirs = openh264_processing_include_dirs
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
configs += [ ":config" ]
deps = [
":bundled_common",
]
if (use_assembler) {
defines = [ "X86_ASM" ]
deps += [ ":openh264_processing_yasm" ]
}
}
source_set("bundled_encoder") {
sources = openh264_encoder_sources
include_dirs = openh264_encoder_include_dirs
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
configs += [ ":config" ]
# TODO: Remove after fixing always-true condition
# third_party/openh264/src/codec/encoder/core/src/encoder_ext.cpp:142.
if (is_clang) {
configs -= [ "//build/config/clang:extra_warnings" ]
}
deps = [
":bundled_common",
":bundled_processing",
]
if (use_assembler) {
defines = [ "X86_ASM" ]
deps += [ ":openh264_encoder_yasm" ]
}
}
if (use_system_openh264) {
pkg_config("system_openh264") {
packages = [ "openh264" ]
}
}
shim_headers("openh264_shim") {
prefix = "wels/"
root_path = "src/codec/api/svc"
headers = [
"codec_api.h",
"codec_app_def.h",
"codec_def.h",
"codec_ver.h",
]
}
group("common") {
if (use_system_openh264) {
deps = [ ":openh264_shim" ]
public_configs = [ ":system_openh264" ]
} else {
public_deps = [ ":bundled_common" ]
}
}
group("processing") {
if (use_system_openh264) {
deps = [ ":openh264_shim" ]
public_configs = [ ":system_openh264" ]
} else {
public_deps = [ ":bundled_processing" ]
}
}
group("encoder") {
if (use_system_openh264) {
deps = [ ":openh264_shim" ]
public_configs = [ ":system_openh264" ]
} else {
public_deps = [ ":bundled_encoder" ]
}
}
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