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# Copyright 2014 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/arm.gni")
# If fixed point implementation shall be used (otherwise float).
use_opus_fixed_point = cpu_arch == "arm" || cpu_arch == "arm64"
# If ARM optimizations shall be used to accelerate performance.
use_opus_arm_optimization = cpu_arch == "arm"
# If OPUS Run Time CPU Detections (RTCD) shall be used.
# Based on the conditions in celt/arm/armcpu.c:
# defined(_MSC_VER) || defined(__linux__).
use_opus_rtcd = cpu_arch == "arm" && (is_win || is_android || is_linux)
config("opus_config") {
include_dirs = [ "src/include" ]
}
if (use_opus_rtcd) {
action("convert_rtcd_assembler") {
script = "convert_rtcd_assembler.py"
outputs = [ "$target_gen_dir/celt_pitch_xcorr_arm_gnu.S" ]
args = [
rebase_path("//third_party/opus/src/celt/arm/arm2gnu.pl", root_build_dir),
rebase_path("//third_party/opus/src/celt/arm/celt_pitch_xcorr_arm.s",
root_build_dir),
rebase_path("$target_gen_dir/celt_pitch_xcorr_arm_gnu.S", root_build_dir),
]
}
}
source_set("opus") {
gypi_values = exec_script("//build/gypi_to_gn.py",
[ rebase_path("opus_srcs.gypi") ],
"scope",
[ "opus_srcs.gypi" ])
sources = gypi_values.opus_common_sources
defines = [
"OPUS_BUILD",
"OPUS_EXPORT=",
]
include_dirs = [
"src/celt",
"src/silk",
]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
public_configs = [ ":opus_config" ]
if (is_win) {
defines += [
"USE_ALLOCA",
"inline=__inline",
]
cflags = [
"/wd4305", # Disable truncation warning in celt/pitch.c .
"/wd4334", # Disable 32-bit shift warning in src/opus_encoder.c .
]
} else {
defines += [
"HAVE_LRINT",
"HAVE_LRINTF",
"VAR_ARRAYS",
]
}
if (is_posix && !is_android) {
# Suppress a warning given by opus_decoder.c that tells us
# optimizations are turned off.
cflags = [ "-Wno-#pragma-messages" ]
}
if (!is_debug && is_posix && (cpu_arch == "arm" || cpu_arch == "arm64")) {
configs -= [ "//build/config/compiler:optimize" ]
configs += [ "//build/config/compiler:optimize_max" ]
}
if (use_opus_fixed_point) {
sources += gypi_values.opus_fixed_sources
defines += [ "FIXED_POINT" ]
include_dirs += [ "src/silk/fixed" ]
} else {
sources += gypi_values.opus_float_sources
include_dirs += [ "src/silk/float" ]
}
if (use_opus_arm_optimization) {
sources += [
"src/celt/arm/fixed_armv4.h",
"src/celt/arm/fixed_armv5e.h",
"src/celt/arm/kiss_fft_armv4.h",
"src/celt/arm/kiss_fft_armv5e.h",
"src/celt/pitch_arm.h",
"src/silk/arm/macro_armv4.h",
"src/silk/arm/macro_armv5e.h",
"src/silk/arm/SigProc_FIX_armv4.h",
"src/silk/arm/SigProc_FIX_armv5e.h",
]
defines += [
"OPUS_ARM_ASM",
"OPUS_ARM_INLINE_ASM",
"OPUS_ARM_INLINE_EDSP",
]
if (use_opus_rtcd) {
sources += [
"src/celt/arm/arm_celt_map.c",
"src/celt/arm/armcpu.c",
"src/celt/arm/armcpu.h",
"$target_gen_dir/celt_pitch_xcorr_arm_gnu.S",
]
defines += [
"OPUS_ARM_MAY_HAVE_EDSP",
"OPUS_ARM_MAY_HAVE_MEDIA",
"OPUS_ARM_MAY_HAVE_NEON",
"OPUS_HAVE_RTCD",
]
deps = [
":convert_rtcd_assembler",
]
}
}
}
executable("opus_demo") {
sources = [
"src/src/opus_demo.c",
]
configs -= [ "//build/config/compiler:chromium_code" ]
configs += [ "//build/config/compiler:no_chromium_code" ]
include_dirs = [
"src/celt",
"src/silk",
]
if (is_win) {
defines = [ "inline=__inline" ]
}
if (is_android) {
libs = [ "log" ]
}
if (is_clang) {
cflags = [ "-Wno-absolute-value" ]
}
deps = [
":opus",
]
}
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