# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# 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', 'Video/Audio')

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.
ALLOW_COMPILER_WARNINGS = True

FINAL_LIBRARY = 'gkmedias'

DEFINES['OPUS_BUILD'] = True
DEFINES['OPUS_VERSION'] = '2654707e86cc94413998976d179b2ab4a2aa3114'
DEFINES['USE_ALLOCA'] = True
DEFINES['ENABLE_HARDENING'] = True

# We only need to export symbols if we're built into libgkmedias
# instead of libxul.
if not CONFIG['GKMEDIAS_SHARED_LIBRARY']:
    DEFINES['OPUS_EXPORT'] = ''

if CONFIG['CPU_ARCH'] == '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['GNU_CC']:
        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

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['CPU_ARCH'] in ('x86', 'x86_64'):
    DEFINES['OPUS_HAVE_RTCD'] = 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_sse
    SOURCES += celt_sources_sse2
    SOURCES += celt_sources_sse4_1
    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['CPU_ARCH'] == 'arm' and CONFIG['GNU_AS']:
    SOURCES += celt_sources_arm
    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['CPU_ARCH'] == '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['GNU_CC']:
    if CONFIG['CLANG_CXX']:
        CFLAGS += ['-Wno-#pragma-messages']