# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

with Files("*"):
    BUG_COMPONENT = ("Core", "Audio/Video")

EXPORTS.opus += [
    "include/opus.h",
    "include/opus_defines.h",
    "include/opus_multistream.h",
    "include/opus_types.h",
]

# We allow warnings for third-party code that can be updated from upstream.
AllowCompilerWarnings()

FINAL_LIBRARY = "gkcodecs"
NoVisibilityFlags()

DEFINES["OPUS_BUILD"] = True
DEFINES["OPUS_VERSION"] = "fdb198e88660721e289df94c29e91f70caff787e"
DEFINES["USE_ALLOCA"] = True
DEFINES["ENABLE_HARDENING"] = True

# Don"t export symbols
DEFINES["OPUS_EXPORT"] = ""

if CONFIG["TARGET_CPU"] == "arm" and CONFIG["GNU_AS"]:
    DEFINES["OPUS_ARM_ASM"] = True
    DEFINES["OPUS_ARM_EXTERNAL_ASM"] = True
    DEFINES["OPUS_ARM_INLINE_ASM"] = True
    if int(CONFIG["ARM_ARCH"]) >= 6:
        DEFINES["OPUS_ARM_INLINE_EDSP"] = True
        DEFINES["OPUS_ARM_MAY_HAVE_EDSP"] = True
        DEFINES["OPUS_ARM_MAY_HAVE_MEDIA"] = True
        DEFINES["OPUS_ARM_MAY_HAVE_NEON"] = True

if CONFIG["MOZ_DEBUG"]:
    DEFINES["ENABLE_ASSERTIONS"] = True

if CONFIG["OS_ARCH"] in ("Linux", "Darwin", "DragonFly", "FreeBSD",
                         "NetBSD", "OpenBSD"):
    DEFINES["HAVE_LRINTF"] = True

if CONFIG["OS_ARCH"] == "WINNT":
    DEFINES["inline"] = "__inline"
    if CONFIG["CC_TYPE"] in ("clang", "gcc"):
        DEFINES["HAVE_LRINTF"] = True

if CONFIG["OS_ARCH"] == "AIX":
    DEFINES["alloca"] = "__alloca"

if CONFIG["OS_ARCH"] == "SunOS":
    DEFINES["HAVE_ALLOCA_H"] = True

if not CONFIG["MOZ_SAMPLE_TYPE_FLOAT32"]:
    DEFINES["FIXED_POINT"] = 1
    DEFINES["DISABLE_FLOAT_API"] = True

if CONFIG["OS_ARCH"] == "Linux":
    OS_LIBS += [
        "m",
    ]

LOCAL_INCLUDES += [
    "celt",
    "include",
    "silk",
    "silk/fixed",
    "silk/float",
    "src",
]

# sources.mozbuild is generated from gen-sources.py when a new libopus is
# imported.
include("sources.mozbuild")

UNIFIED_SOURCES += celt_sources
UNIFIED_SOURCES += silk_sources
UNIFIED_SOURCES += opus_sources
SOURCES += opus_nonunified_sources

if CONFIG["MOZ_SAMPLE_TYPE_FLOAT32"]:
    UNIFIED_SOURCES += silk_sources_float
    UNIFIED_SOURCES += opus_sources_float
else:
    UNIFIED_SOURCES += silk_sources_fixed

if CONFIG["TARGET_CPU"] in ("x86", "x86_64"):
    DEFINES["OPUS_HAVE_RTCD"] = True
    DEFINES["CPU_INFO_BY_ASM"] = True
    DEFINES["OPUS_X86_MAY_HAVE_SSE"] = True
    DEFINES["OPUS_X86_MAY_HAVE_SSE2"] = True
    DEFINES["OPUS_X86_MAY_HAVE_SSE4_1"] = True
    DEFINES["OPUS_X86_MAY_HAVE_AVX"] = True
    SOURCES += celt_sources_x86_rtcd
    SOURCES += celt_sources_sse
    SOURCES += celt_sources_sse2
    SOURCES += celt_sources_sse4_1
    SOURCES += silk_sources_x86_rtcd
    SOURCES += silk_sources_sse4_1
    if not CONFIG["MOZ_SAMPLE_TYPE_FLOAT32"]:
        SOURCES += silk_sources_fixed_sse4_1
    for f in SOURCES:
        if f in celt_sources_sse:
            SOURCES[f].flags += CONFIG["SSE_FLAGS"]
        if f in celt_sources_sse2:
            SOURCES[f].flags += CONFIG["SSE2_FLAGS"]
        if f in celt_sources_sse4_1 or \
           f in silk_sources_sse4_1 or \
           f in silk_sources_fixed_sse4_1:
            SOURCES[f].flags += ["-msse4.1"]

if CONFIG["TARGET_CPU"] == "arm" and CONFIG["GNU_AS"]:
    SOURCES += celt_sources_arm_rtcd
    SOURCES += [
        "!celt_pitch_xcorr_arm-gnu.s"
    ]
    # -Os is significantly slower, enable -O3 unless optimization is disabled
    if CONFIG["MOZ_OPTIMIZE"]:
        CFLAGS += [
            "-O3",
        ]
        CXXFLAGS += [
            "-O3",
        ]
    # These flags are a lie; they"re just used to enable the requisite
    # opcodes; actual arch detection is done at runtime.
    ASFLAGS += [
        "-march=armv7-a",
    ]
    ASFLAGS += CONFIG["NEON_FLAGS"]

if CONFIG["TARGET_CPU"] == "aarch64" and CONFIG["CC_TYPE"] in ("clang", "gcc"):
    DEFINES["OPUS_ARM_PRESUME_AARCH64_NEON_INTR"] = True
    DEFINES["OPUS_ARM_PRESUME_NEON"] = True
    DEFINES["OPUS_ARM_PRESUME_NEON_INTR"] = True
    SOURCES += celt_sources_arm_neon_intr
    SOURCES += silk_sources_arm_neon_intr
    if CONFIG["MOZ_SAMPLE_TYPE_FLOAT32"]:
        DEFINES["OPUS_ARM_MAY_HAVE_NEON"] = True
        DEFINES["OPUS_ARM_MAY_HAVE_NEON_INTR"] = True
    else:
        SOURCES += silk_sources_fixed_arm_neon_intr

# Suppress warnings in third-party code.
if CONFIG["CC_TYPE"] in ("clang", "gcc"):
    if CONFIG["CC_TYPE"] == "clang":
        CFLAGS += ["-Wno-#pragma-messages"]

# Add libFuzzer configuration directives
include("/tools/fuzzing/libfuzzer-config.mozbuild")