ref: c2b542b6c02bafbe7a83b2eeec6cb5a0bfa3ed0d
parent: 034c1b61a250457649d788bbf983b3f0fb63f02e
author: Tim-Philipp Müller <tim@centricular.com>
date: Sat Mar 19 11:40:22 EDT 2016
Add support for Meson build system Tested on: - Linux/x86* with gcc - Android armv7 arm64 x86 x86_64 with clang - Windows x86 x86_64 with Visual Studio 2017 - Windows x86 x86_64 with MinGW - macOS x86_64 with clang - iOS arm64 x86_64 with clang Co-authored by: Nirbheek Chauhan <nirbheek@centricular.com> https://gitlab.xiph.org/xiph/opus/-/merge_requests/13
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@
script:
- ./autogen.sh
- ./configure
- - make
+ - make -j4
- make distcheck
cache:
paths:
@@ -40,3 +40,21 @@
- cmake -S . -B build -G "Ninja" -DCMAKE_BUILD_TYPE=Release -DOPUS_BUILD_TESTING=ON -DOPUS_BUILD_PROGRAMS=ON
- cmake --build build
- cd build && ctest --output-on-failure
+
+meson:
+ stage: build
+ before_script:
+ - apt-get update &&
+ apt-get install -y python3-pip ninja-build doxygen
+ - export XDG_CACHE_HOME=$PWD/pip-cache
+ - pip3 install --user meson
+ script:
+ - export PATH=$PATH:$HOME/.local/bin
+ - mkdir builddir
+ - meson setup --werror -Dtests=enabled -Ddocs=enabled -Dbuildtype=release builddir
+ - meson compile -C builddir
+ - meson test -C builddir
+ #- meson dist --no-tests -C builddir
+ cache:
+ paths:
+ - 'pip-cache/*'
--- a/Makefile.am
+++ b/Makefile.am
@@ -224,6 +224,18 @@
cmake/OpusSources.cmake \
cmake/config.h.cmake.in \
cmake/vla.c \
+ meson/get-version.py \
+ meson/read-sources-list.py \
+ meson.build \
+ meson_options.txt \
+ include/meson.build \
+ celt/meson.build \
+ celt/tests/meson.build \
+ silk/meson.build \
+ silk/tests/meson.build \
+ src/meson.build \
+ tests/meson.build \
+ doc/meson.build \
tests/run_vectors.sh \
celt/arm/arm2gnu.pl \
celt/arm/celt_pitch_xcorr_arm.s \
--- /dev/null
+++ b/celt/meson.build
@@ -1,0 +1,63 @@
+celt_sources = sources['CELT_SOURCES']
+
+celt_sse_sources = sources['CELT_SOURCES_SSE']
+
+celt_sse2_sources = sources['CELT_SOURCES_SSE2']
+
+celt_sse4_1_sources = sources['CELT_SOURCES_SSE4_1']
+
+celt_neon_intr_sources = sources['CELT_SOURCES_ARM_NEON_INTR']
+
+celt_static_libs = []
+
+foreach intr_name : ['sse', 'sse2', 'sse4_1', 'neon_intr']
+ have_intr = get_variable('have_' + intr_name)+ if not have_intr
+ continue
+ endif
+
+ intr_sources = get_variable('celt_@0@_sources'.format(intr_name))+ intr_args = get_variable('opus_@0@_args'.format(intr_name), [])+ celt_static_libs += static_library('celt_' + intr_name, intr_sources,+ c_args: intr_args,
+ include_directories: opus_includes,
+ install: false)
+endforeach
+
+have_arm_intrinsics_or_asm = have_arm_ne10
+if (intrinsics_support.length() + asm_optimization.length() + inline_optimization.length()) > 0
+ have_arm_intrinsics_or_asm = true
+endif
+
+if host_cpu_family in ['arm', 'aarch64'] and have_arm_intrinsics_or_asm
+ celt_sources += sources['CELT_SOURCES_ARM']
+ if have_arm_ne10
+ celt_sources += sources['CELT_SOURCES_ARM_NE10']
+ endif
+ if opus_arm_external_asm
+ arm2gnu = [find_program('arm/arm2gnu.pl')] + arm2gnu_args+ celt_sources_arm_asm = configure_file(input: 'arm/celt_pitch_xcorr_arm.s',
+ output: '@BASENAME@-gnu.S',
+ command: arm2gnu + ['@INPUT@'],
+ capture: true)
+ celt_arm_armopts_s = configure_file(input: 'arm/armopts.s.in',
+ output: 'arm/armopts.s',
+ configuration: opus_conf)
+ celt_static_libs += static_library('celt-armasm',+ celt_arm_armopts_s, celt_sources_arm_asm,
+ install: false)
+ endif
+endif
+
+celt_c_args = []
+if host_system == 'windows'
+ celt_c_args += ['-DDLL_EXPORT']
+endif
+
+celt_lib = static_library('opus-celt',+ celt_sources,
+ c_args: celt_c_args,
+ include_directories: opus_includes,
+ link_whole: celt_static_libs,
+ dependencies: libm,
+ install: false)
--- /dev/null
+++ b/celt/tests/meson.build
@@ -1,0 +1,19 @@
+tests = [
+ 'test_unit_types',
+ 'test_unit_mathops',
+ 'test_unit_entropy',
+ 'test_unit_laplace',
+ 'test_unit_dft',
+ 'test_unit_mdct',
+ 'test_unit_rotation',
+ 'test_unit_cwrs32',
+]
+
+foreach test_name : tests
+ exe = executable(test_name, '@0@.c'.format(test_name),
+ include_directories : opus_includes,
+ link_with : [celt_lib, celt_static_libs],
+ dependencies : libm,
+ install : false)
+ test(test_name, exe)
+endforeach
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -335,3 +335,6 @@
# configure time.
#
HAVE_DOT = @HAVE_DOT@
+
+# move docs to the correct place
+OUTPUT_DIRECTORY = @top_builddir@/doc
--- /dev/null
+++ b/doc/meson.build
@@ -1,0 +1,36 @@
+top_srcdir = meson.source_root()
+top_builddir = meson.build_root()
+
+have_dot = find_program('dot', required: false).found()+
+doxyfile_conf = configuration_data()
+doxyfile_conf.set('VERSION', opus_version)+doxyfile_conf.set('HAVE_DOT', have_dot)+doxyfile_conf.set('top_srcdir', top_srcdir)+doxyfile_conf.set('top_builddir', top_builddir)+
+doxyfile = configure_file(input: 'Doxyfile.in',
+ output: 'Doxyfile',
+ configuration: doxyfile_conf,
+ install: false)
+
+docdir = join_paths(get_option('datadir'), get_option('docdir'))+
+doc_inputs = [
+ 'customdoxygen.css',
+ 'footer.html',
+ 'header.html',
+ 'opus_logo.svg',
+ top_srcdir + '/include/opus.h',
+ top_srcdir + '/include/opus_multistream.h',
+ top_srcdir + '/include/opus_defines.h',
+ top_srcdir + '/include/opus_types.h',
+ top_srcdir + '/include/opus_custom.h',
+]
+
+custom_target('doc',+ input: [ doxyfile ] + doc_inputs,
+ output: [ 'html' ],
+ command: [ doxygen, doxyfile ],
+ install_dir: docdir,
+ install: true)
--- /dev/null
+++ b/include/meson.build
@@ -1,0 +1,13 @@
+opus_headers = [
+ 'opus.h',
+ 'opus_multistream.h',
+ 'opus_projection.h',
+ 'opus_types.h',
+ 'opus_defines.h',
+]
+
+if opt_custom_modes
+ opus_headers += ['opus_custom.h']
+endif
+
+install_headers(opus_headers, subdir: 'opus')
--- /dev/null
+++ b/meson.build
@@ -1,0 +1,673 @@
+project('opus', 'c',+ version: run_command('meson/get-version.py', '--package-version', check: true).stdout().strip(),+ meson_version: '>=0.54.0',
+ default_options: ['warning_level=2',
+ 'c_std=gnu99',
+ 'buildtype=debugoptimized'])
+
+libversion = run_command('meson/get-version.py', '--libtool-version', check: true).stdout().strip()+macosversion = run_command('meson/get-version.py', '--darwin-version', check: true).stdout().strip()+
+cc = meson.get_compiler('c')+host_system = host_machine.system()
+host_cpu_family = host_machine.cpu_family()
+
+opus_includes = include_directories('.', 'include', 'celt', 'silk')+opus_public_includes = include_directories('include')+
+add_project_arguments('-DOPUS_BUILD', language: 'c')+add_project_arguments('-DHAVE_CONFIG_H', language: 'c')+
+if host_system == 'windows'
+ if cc.get_argument_syntax() == 'msvc'
+ add_project_arguments('-D_CRT_SECURE_NO_WARNINGS', language: 'c')+ endif
+endif
+
+if cc.get_argument_syntax() == 'gnu'
+ add_project_arguments('-D_FORTIFY_SOURCE=2', language: 'c')+endif
+
+# Check for extra compiler args
+additional_c_args = []
+if cc.get_argument_syntax() != 'msvc'
+ additional_c_args += [
+ '-fvisibility=hidden',
+ '-Wcast-align',
+ '-Wnested-externs',
+ '-Wshadow',
+ '-Wstrict-prototypes',
+ ]
+
+ # On Windows, -fstack-protector-strong adds a libssp-0.dll dependency and
+ # prevents static linking
+ if host_system != 'windows'
+ additional_c_args += ['-fstack-protector-strong']
+ endif
+endif
+
+foreach arg : additional_c_args
+ if cc.has_argument(arg)
+ add_project_arguments(arg, language: 'c')
+ endif
+endforeach
+
+# Windows MSVC warnings
+if cc.get_id() == 'msvc'
+ # Ignore several spurious warnings.
+ # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
+ # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
+ # NOTE: Only add warnings here if you are sure they're spurious
+ add_project_arguments('/wd4035', '/wd4715', '/wd4116', '/wd4046', '/wd4068',+ '/wd4820', '/wd4244', '/wd4255', '/wd4668',
+ language : 'c')
+endif
+
+opus_version = meson.project_version()
+
+opus_conf = configuration_data()
+opus_conf.set('PACKAGE_BUGREPORT', '"opus@xiph.org"')+opus_conf.set('PACKAGE_NAME', '"opus"')+opus_conf.set('PACKAGE_STRING', '"opus @0@"'.format(opus_version))+opus_conf.set('PACKAGE_TARNAME', '"opus"')+opus_conf.set('PACKAGE_URL', '""')+opus_conf.set('PACKAGE_VERSION', '"@0@"'.format(opus_version))+
+# FIXME: optional Ne10 dependency
+have_arm_ne10 = false
+
+libm = cc.find_library('m', required : false)+
+opus_conf.set('HAVE_LRINTF', cc.has_function('lrintf', prefix: '#include <math.h>', dependencies: libm))+opus_conf.set('HAVE_LRINT', cc.has_function('lrint', prefix: '#include <math.h>', dependencies: libm))+opus_conf.set('HAVE___MALLOC_HOOK', cc.has_function('__malloc_hook', prefix: '#include <malloc.h>'))+opus_conf.set('HAVE_STDINT_H', cc.check_header('stdint.h'))+
+# Check for restrict keyword
+restrict_tmpl = '''
+typedef int * int_ptr;
+int foo (int_ptr @0@ ip, int * @0@ baz[]) {+ return ip[0];
+}
+int main (int argc, char ** argv) {+ int s[1];
+ int * @0@ t = s;
+ t[0] = 0;
+ return foo(t, (void *)0);
+}'''
+# Define restrict to the equivalent of the C99 restrict keyword, or to
+# nothing if this is not supported. Do not define if restrict is
+# supported directly.
+if not cc.compiles(restrict_tmpl.format('restrict'), name : 'restrict keyword')+ if cc.compiles(restrict_tmpl.format('__restrict'), name : '__restrict')+ opus_conf.set('restrict', '__restrict')+ elif cc.compiles(restrict_tmpl.format('__restrict__'), name : '__restrict__')+ opus_conf.set('restrict', '__restrict')+ elif cc.compiles(restrict_tmpl.format('_Restrict'), name : '_Restrict')+ opus_conf.set('restrict', '_Restrict')+ else
+ opus_conf.set('restrict', '/**/')+ endif
+endif
+
+# Check for C99 variable-size arrays, or alloca() as fallback
+msg_use_alloca = false
+if cc.compiles('''static int x;+ char some_func (void) {+ char a[++x];
+ a[sizeof a - 1] = 0;
+ int N;
+ return a[0];
+ }''', name : 'C99 variable-size arrays')
+ opus_conf.set('VAR_ARRAYS', 1)+ msg_use_alloca = 'NO (using C99 variable-size arrays instead)'
+elif cc.compiles('''#include <alloca.h>+ void some_func (void) {+ int foo=10;
+ int * array = alloca(foo);
+ }''', name : 'alloca (alloca.h)')
+ opus_conf.set('USE_ALLOCA', true)+ opus_conf.set('HAVE_ALLOCA_H', true)+ msg_use_alloca = true
+elif cc.compiles('''#include <malloc.h>+ #include <stdlib.h>
+ void some_func (void) {+ int foo=10;
+ int * array = alloca(foo);
+ }''', name : 'alloca (std)')
+ opus_conf.set('USE_ALLOCA', true)+ msg_use_alloca = true
+endif
+
+opts = [
+ [ 'fixed-point', 'FIXED_POINT' ],
+ [ 'fixed-point-debug', 'FIXED_DEBUG' ],
+ [ 'custom-modes', 'CUSTOM_MODES' ],
+ [ 'float-approx', 'FLOAT_APPROX' ],
+ [ 'assertions', 'ENABLE_ASSERTIONS' ],
+ [ 'hardening', 'ENABLE_HARDENING' ],
+ [ 'fuzzing', 'FUZZING' ],
+ [ 'check-asm', 'OPUS_CHECK_ASM' ],
+]
+
+foreach opt : opts
+ # we assume these are all boolean options
+ opt_foo = get_option(opt[0])
+ if opt_foo
+ opus_conf.set(opt[1], 1)
+ endif
+ set_variable('opt_' + opt[0].underscorify(), opt_foo)+endforeach
+
+opt_asm = get_option('asm')+opt_rtcd = get_option('rtcd')+opt_intrinsics = get_option('intrinsics')+extra_programs = get_option('extra-programs')+opt_tests = get_option('tests')+
+disable_float_api = not get_option('float-api')+if disable_float_api
+ opus_conf.set('DISABLE_FLOAT_API', 1)+endif
+
+# This is for the description in the pkg-config .pc file
+if opt_fixed_point
+ pc_build = 'fixed-point'
+else
+ pc_build = 'floating-point'
+endif
+if opt_custom_modes
+ pc_build = pc_build + ', custom modes'
+endif
+
+rtcd_support = []
+# With GCC, Clang, ICC, etc, we differentiate between 'may support this SIMD'
+# and 'presume we have this SIMD' by checking whether the SIMD / intrinsics can
+# be compiled by the compiler as-is (presume) or with SIMD cflags (may have).
+# With MSVC, the compiler will always build SIMD/intrinsics targeting all
+# specific instruction sets supported by that version of the compiler. No
+# special arguments are ever needed. If runtime CPU detection is not disabled,
+# we must always assume that we only 'may have' it.
+opus_can_presume_simd = true
+if cc.get_argument_syntax() == 'msvc'
+ if opt_rtcd.disabled()
+ warning('Building with an MSVC-like compiler and runtime CPU detection is disabled. Outputs may not run on all @0@ CPUs.'.format(host_cpu_family))+ else
+ opus_can_presume_simd = false
+ endif
+endif
+
+opus_arm_external_asm = false
+
+asm_tmpl = '''
+int main (int argc, char ** argv) {+ __asm__("@0@");+ return 0;
+}'''
+
+asm_optimization = []
+inline_optimization = []
+if not opt_asm.disabled()
+ # Currently we only have inline asm for fixed-point
+ if host_cpu_family == 'arm' and opt_fixed_point
+ opus_conf.set('OPUS_ARM_ASM', true)+
+ # Check if compiler supports gcc-style inline assembly
+ if cc.compiles('''#ifdef __GNUC_MINOR__+ #if (__GNUC__ * 1000 + __GNUC_MINOR__) < 3004
+ #error GCC before 3.4 has critical bugs compiling inline assembly
+ #endif
+ #endif
+ __asm__ (""::)''',+ name : 'compiler supports gcc-style inline assembly')
+
+ opus_conf.set('OPUS_ARM_INLINE_ASM', 1)+
+ # AS_ASM_ARM_EDSP
+ if cc.compiles(asm_tmpl.format('qadd r3,r3,r3'),+ name : 'assembler supports EDSP instructions on ARM')
+ opus_conf.set('OPUS_ARM_INLINE_EDSP', 1)+ inline_optimization += ['ESDP']
+ endif
+
+ # AS_ASM_ARM_MEDIA
+ if cc.compiles(asm_tmpl.format('shadd8 r3,r3,r3'),+ name : 'assembler supports ARMv6 media instructions on ARM')
+ opus_conf.set('OPUS_ARM_INLINE_MEDIA', 1)+ inline_optimization += ['Media']
+ endif
+
+ # AS_ASM_ARM_NEON
+ if cc.compiles(asm_tmpl.format('vorr d0,d0,d0'),+ name : 'assembler supports NEON instructions on ARM')
+ opus_conf.set('OPUS_ARM_INLINE_NEON', 1)+ inline_optimization += ['NEON']
+ endif
+ endif
+
+ # We need Perl to translate RVCT-syntax asm to gas syntax
+ perl = find_program('perl', required: get_option('asm'))+ if perl.found()
+ opus_arm_external_asm = true
+ # opus_arm_presume_* mean we can and will use those instructions
+ # directly without doing runtime CPU detection.
+ # opus_arm_may_have_* mean we can emit those instructions, but we can
+ # only use them after runtime detection.
+ # The same rules apply for x86 assembly and intrinsics.
+
+ opus_arm_may_have_edsp = opus_conf.has('OPUS_ARM_INLINE_EDSP')+ opus_arm_presume_edsp = opus_arm_may_have_edsp and opus_can_presume_simd
+
+ opus_arm_may_have_media = opus_conf.has('OPUS_ARM_INLINE_MEDIA')+ opus_arm_presume_media = opus_arm_may_have_media and opus_can_presume_simd
+
+ opus_arm_may_have_neon = opus_conf.has('OPUS_ARM_INLINE_NEON')+ opus_arm_presume_neon = opus_arm_may_have_neon and opus_can_presume_simd
+
+ if not opt_rtcd.disabled()
+ if not opus_arm_may_have_edsp
+ message('Trying to force-enable armv5e EDSP instructions...')+ # AS_ASM_ARM_EDSP_FORCE
+ opus_arm_may_have_edsp = cc.compiles(asm_tmpl.format('.arch armv5te\n.object_arch armv4t\nqadd r3,r3,r3'),+ name : 'Assembler supports EDSP instructions on ARM (forced)')
+ endif
+ if not opus_arm_may_have_media
+ message('Trying to force-enable ARMv6 media instructions...')+ opus_arm_may_have_media = cc.compiles(asm_tmpl.format('.arch armv6\n.object_arch armv4t\nshadd8 r3,r3,r3'),+ name : 'Assembler supports ARMv6 media instructions on ARM (forced)')
+ endif
+ if not opus_arm_may_have_neon
+ message('Trying to force-enable NEON instructions...')+ opus_arm_may_have_neon = cc.compiles(asm_tmpl.format('.arch armv7-a\n.fpu neon\n.object_arch armv4t\nvorr d0,d0,d0'),+ name : 'Assembler supports NEON instructions on ARM (forced)')
+ endif
+ endif
+
+ if opus_arm_may_have_edsp
+ opus_conf.set('OPUS_ARM_MAY_HAVE_EDSP', 1)+ if opus_arm_presume_edsp
+ opus_conf.set('OPUS_ARM_PRESUME_EDSP', 1)+ asm_optimization += ['EDSP']
+ else
+ rtcd_support += ['EDSP']
+ endif
+ endif
+ if opus_arm_may_have_media
+ opus_conf.set('OPUS_ARM_MAY_HAVE_MEDIA', 1)+ if opus_arm_presume_media
+ opus_conf.set('OPUS_ARM_PRESUME_MEDIA', 1)+ asm_optimization += ['Media']
+ else
+ rtcd_support += ['Media']
+ endif
+ endif
+ if opus_arm_may_have_neon
+ opus_conf.set('OPUS_ARM_MAY_HAVE_NEON', 1)+ if opus_arm_presume_neon
+ opus_conf.set('OPUS_ARM_PRESUME_NEON', 1)+ asm_optimization += ['NEON']
+ else
+ rtcd_support += ['NEON']
+ endif
+ endif
+
+ if cc.get_define('__APPLE__')+ arm2gnu_args = ['--apple']
+ else
+ arm2gnu_args = []
+ endif
+ endif # found perl
+ else # arm + enable fixed point
+ if opt_asm.enabled()
+ error('asm option is enabled, but no assembly support for ' + host_cpu_family)+ endif
+ endif
+endif # enable asm
+
+# Check whether we require assembly and we support assembly on this arch,
+# but none were detected. Can happen because of incorrect compiler flags, such
+# as missing -mfloat-abi=softfp on ARM32 softfp architectures.
+if opt_asm.enabled() and (asm_optimization.length() + inline_optimization.length()) == 0
+ error('asm option was enabled, but no assembly support was detected')+endif
+
+# XXX: NEON has hardfp vs softfp compiler configuration issues
+# When targeting ARM32 softfp, we sometimes need to explicitly pass
+# -mfloat-abi=softfp to enable NEON. F.ex., on Android. It should
+# be set in the cross file.
+arm_neon_intr_link_args = ['-mfpu=neon']
+
+have_sse = false
+have_sse2 = false
+have_sse4_1 = false
+have_avx = false # no avx opus code yet
+have_neon_intr = false
+
+intrinsics_support = []
+if not opt_intrinsics.disabled()
+ if host_cpu_family in ['arm', 'aarch64']
+ # Check for ARMv7/AArch64 neon intrinsics
+ intrin_check = '''
+ #include <arm_neon.h>
+ int main (void) {+ static float32x4_t A0, A1, SUMM;
+ SUMM = vmlaq_f32(SUMM, A0, A1);
+ return (int)vgetq_lane_f32(SUMM, 0);
+ }'''
+ intrin_name = 'ARMv7/AArch64 NEON'
+ if cc.links(intrin_check,
+ name: 'compiler supports @0@ intrinsics'.format(intrin_name))
+ opus_arm_presume_neon_intr = opus_can_presume_simd
+ opus_arm_may_have_neon_intr = true
+ else
+ opus_arm_presume_neon_intr = false
+ if cc.links(intrin_check,
+ args: arm_neon_intr_link_args,
+ name: 'compiler supports @0@ intrinsics with @1@'.format(intrin_name, ' '.join(arm_neon_intr_link_args)))
+ opus_arm_may_have_neon_intr = true
+ else
+ opus_arm_may_have_neon_intr = false
+ endif
+ endif
+
+ if opus_arm_may_have_neon_intr
+ have_neon_intr = true
+ intrinsics_support += [intrin_name]
+ opus_conf.set('OPUS_ARM_MAY_HAVE_NEON_INTR', 1)+ if opus_arm_presume_neon_intr
+ opus_conf.set('OPUS_ARM_PRESUME_NEON_INTR', 1)+ else
+ rtcd_support += [intrin_name]
+ opus_neon_intr_args = arm_neon_intr_link_args
+ endif
+ else
+ message('Compiler does not support @0@ intrinsics'.format(intrin_name))+ endif
+
+ # Check for aarch64 neon intrinsics
+ intrin_check = '''
+ #include <arm_neon.h>
+ int main (void) {+ static int32_t IN;
+ static int16_t OUT;
+ OUT = vqmovns_s32(IN);
+ }'''
+ intrin_name = 'AArch64 NEON'
+ if cc.links(intrin_check,
+ name: 'compiler supports @0@ intrinsics'.format(intrin_name))
+ opus_arm_presume_aarch64_neon_intr = opus_can_presume_simd
+ opus_arm_may_have_aarch64_neon_intr = true
+ else
+ opus_arm_presume_aarch64_neon_intr = false
+ if cc.links(intrin_check,
+ args: arm_neon_intr_link_args,
+ name: 'compiler supports @0@ intrinsics with @1@'.format(intrin_name, ' '.join(arm_neon_intr_link_args)))
+ opus_arm_may_have_aarch64_neon_intr = true
+ else
+ opus_arm_may_have_aarch64_neon_intr = false
+ endif
+ endif
+
+ if opus_arm_may_have_aarch64_neon_intr
+ intrinsics_support += [intrin_name]
+ opus_conf.set('OPUS_X86_MAY_HAVE_AARCH64_NEON_INTR', 1)+ if opus_arm_presume_aarch64_neon_intr
+ opus_conf.set('OPUS_X86_PRESUME_AARCH64_NEON_INTR', 1)+ endif
+ else
+ message('Compiler does not support @0@ intrinsics'.format(intrin_name))+ endif
+ elif host_cpu_family in ['x86', 'x86_64']
+ # XXX: allow external override/specification of the flags
+ x86_intrinsics = [
+ [ 'SSE', 'xmmintrin.h', '__m128', '_mm_setzero_ps()', ['-msse'] ],
+ [ 'SSE2', 'emmintrin.h', '__m128i', '_mm_setzero_si128()', ['-msse2'] ],
+ [ 'SSE4.1', 'smmintrin.h', '__m128i', '_mm_setzero_si128(); mtest = _mm_cmpeq_epi64(mtest, mtest)', ['-msse4.1'] ],
+ [ 'AVX', 'immintrin.h', '__m256', '_mm256_setzero_ps()', ['-mavx'] ],
+ ]
+
+ foreach intrin : x86_intrinsics
+ intrin_check = '''#include <@0@>
+ int main (int argc, char ** argv) {+ static @1@ mtest;
+ mtest = @2@;
+ return *((unsigned char *) &mtest) != 0;
+ }'''.format(intrin[1],intrin[2],intrin[3])
+ intrin_name = intrin[0]
+ # Intrinsics arguments are not available with MSVC-like compilers
+ intrin_args = cc.get_argument_syntax() == 'msvc' ? [] : intrin[4]
+ if cc.links(intrin_check, name : 'compiler supports @0@ intrinsics'.format(intrin_name))
+ may_have_intrin = true
+ presume_intrin = opus_can_presume_simd
+ elif intrin_args.length() > 0
+ presume_intrin = false
+ if cc.links(intrin_check,
+ args : intrin_args,
+ name : 'compiler supports @0@ intrinsics with @1@'.format(intrin_name, ' '.join(intrin_args)))
+ may_have_intrin = true
+ else
+ may_have_intrin = false
+ endif
+ endif
+ if may_have_intrin
+ intrinsics_support += [intrin_name]
+ intrin_lower_name = intrin_name.to_lower().underscorify()
+ set_variable('have_' + intrin_lower_name, true)+ opus_conf.set('OPUS_X86_MAY_HAVE_' + intrin_name.underscorify(), 1)+ if presume_intrin
+ opus_conf.set('OPUS_X86_PRESUME_' + intrin_name.underscorify(), 1)+ else
+ rtcd_support += [intrin_name]
+ set_variable('opus_@0@_args'.format(intrin_lower_name), intrin_args)+ endif
+ else
+ message('Compiler does not support @0@ intrinsics'.format(intrin_name))+ endif
+ endforeach
+
+ if not opt_rtcd.disabled()
+ get_cpuid_by_asm = false
+ cpuid_asm_code = '''
+ #include <stdio.h>
+ int main (int argc, char ** argv) {+ unsigned int CPUInfo0;
+ unsigned int CPUInfo1;
+ unsigned int CPUInfo2;
+ unsigned int CPUInfo3;
+ unsigned int InfoType;
+ #if defined(__i386__) && defined(__PIC__)
+ __asm__ __volatile__ (
+ "xchg %%ebx, %1\n"
+ "cpuid\n"
+ "xchg %%ebx, %1\n":
+ "=a" (CPUInfo0),
+ "=r" (CPUInfo1),
+ "=c" (CPUInfo2),
+ "=d" (CPUInfo3) :
+ "a" (InfoType), "c" (0)
+ );
+ #else
+ __asm__ __volatile__ (
+ "cpuid":
+ "=a" (CPUInfo0),
+ "=b" (CPUInfo1),
+ "=c" (CPUInfo2),
+ "=d" (CPUInfo3) :
+ "a" (InfoType), "c" (0)
+ );
+ #endif
+ return 0;
+ }'''
+ cpuid_c_code = '''
+ #include <cpuid.h>
+ int main (int argc, char ** argv) {+ unsigned int CPUInfo0;
+ unsigned int CPUInfo1;
+ unsigned int CPUInfo2;
+ unsigned int CPUInfo3;
+ unsigned int InfoType;
+ __get_cpuid(InfoType, &CPUInfo0, &CPUInfo1, &CPUInfo2, &CPUInfo3);
+ return 0;
+ }'''
+ cpuid_msvc_code = '''
+ #include <intrin.h>
+ int main (void) {+ int CPUInfo, InfoType;
+ __cpuid(&CPUInfo, InfoType);
+ }'''
+ if cc.links(cpuid_asm_code, name : 'Get X86 CPU info via inline assembly')
+ opus_conf.set('CPU_INFO_BY_ASM', 1)+ elif cc.links(cpuid_c_code, name : 'Get X86 CPU info via C method')
+ opus_conf.set('CPU_INFO_BY_C', 1)+ elif cc.get_define('_MSC_VER') != '' and cc.links(cpuid_msvc_code)+ message('Getting X86 CPU info via __cpuid')+ else
+ if opt_intrinsics.enabled() and opt_rtcd.enabled()
+ error('intrinsics and rtcd options are enabled, but no Get CPU Info method detected')+ endif
+ warning('Get CPU Info method not detected, no rtcd for intrinsics')+ endif
+ endif # opt_rtcd
+ else
+ if opt_intrinsics.enabled()
+ error('intrinsics option enabled, but no intrinsics support for ' + host_machine.get_cpu())+ endif
+ warning('No intrinsics support for ' + host_machine.get_cpu())+ endif
+endif
+
+# Check whether we require intrinsics and we support intrinsics on this arch,
+# but none were detected. Can happen because of incorrect compiler flags, such
+# as missing -mfloat-abi=softfp on ARM32 softfp architectures.
+if opt_intrinsics.enabled() and intrinsics_support.length() == 0
+ error('intrinsics option was enabled, but none were detected')+endif
+
+if opt_rtcd.disabled()
+ rtcd_support = 'disabled'
+else
+ if rtcd_support.length() > 0
+ opus_conf.set('OPUS_HAVE_RTCD', 1)+ else
+ if intrinsics_support.length() == 0
+ rtcd_support = 'none'
+ if opt_rtcd.enabled()
+ error('rtcd option is enabled, but no support for intrinsics or assembly is available')+ endif
+ else
+ rtcd_support = 'not needed'
+ endif
+ endif
+endif
+
+# extract source file lists from .mk files
+mk_files = ['silk_sources.mk', 'opus_headers.mk', 'opus_sources.mk', 'silk_headers.mk', 'celt_sources.mk', 'celt_headers.mk']
+lines = run_command('meson/read-sources-list.py', mk_files, check: true).stdout().strip().split('\n')+sources = {}+foreach l : lines
+ a = l.split(' = ')+ var_name = a[0]
+ file_list = a[1].split()
+ sources += {var_name: files(file_list)}+endforeach
+
+subdir('include')+subdir('silk')+subdir('celt')+subdir('src')+
+configure_file(output: 'config.h', configuration: opus_conf)
+
+if not opt_tests.disabled()
+ subdir('celt/tests')+ subdir('silk/tests')+ subdir('tests')+endif
+
+# pkg-config files (not using pkg module so we can use the existing .pc.in file)
+pkgconf = configuration_data()
+
+pkgconf.set('prefix', join_paths(get_option('prefix')))+pkgconf.set('exec_prefix', '${prefix}')+pkgconf.set('libdir', '${prefix}/@0@'.format(get_option('libdir')))+pkgconf.set('includedir', '${prefix}/@0@'.format(get_option('includedir')))+pkgconf.set('VERSION', opus_version)+pkgconf.set('PC_BUILD', pc_build)+pkgconf.set('LIBM', libm.found() ? '-lm' : '')+
+pkg_install_dir = '@0@/pkgconfig'.format(get_option('libdir'))+
+configure_file(input : 'opus.pc.in',
+ output : 'opus.pc',
+ configuration : pkgconf,
+ install_dir : pkg_install_dir)
+
+# The uninstalled one has hardcoded libtool + static lib stuff, skip it for now
+#configure_file(input : 'opus-uninstalled.pc.in',
+# output : 'opus-uninstalled.pc',
+# configuration : pkgconf,
+# install : false)
+
+doxygen = find_program('doxygen', required: get_option('docs'))+if doxygen.found()
+ subdir('doc')+endif
+
+summary(
+ {+ 'C99 var arrays': opus_conf.has('VAR_ARRAYS'),+ 'C99 lrintf': opus_conf.has('HAVE_LRINTF'),+ 'Use alloca': msg_use_alloca,
+ },
+ section: 'Compiler support',
+ bool_yn: true,
+ list_sep: ', ',
+)
+
+# Parse optimization status
+foreach status : [['inline_optimization', opt_asm],
+ ['asm_optimization', opt_asm],
+ ['intrinsics_support', opt_intrinsics]]
+ res = status[0]
+ opt = status[1]
+ resval = get_variable(res)
+ if opt.disabled()
+ set_variable(res, 'disabled')
+ elif resval.length() == 0
+ if host_cpu_family not in ['arm', 'aarch64', 'x86', 'x86_64']
+ set_variable(res, 'No optimizations for your platform, please send patches')
+ else
+ set_variable(res, 'none')
+ endif
+ endif
+endforeach
+
+summary(
+ {+ 'Floating point support': not opt_fixed_point,
+ 'Fast float approximations': opt_float_approx,
+ 'Fixed point debugging': opt_fixed_point_debug,
+ 'Inline assembly optimizations': inline_optimization,
+ 'External assembly optimizations': asm_optimization,
+ 'Intrinsics optimizations': intrinsics_support,
+ 'Run-time CPU detection': rtcd_support,
+ },
+ section: 'Optimizations',
+ bool_yn: true,
+ list_sep: ', ',
+)
+summary(
+ {+ 'Custom modes': opt_custom_modes,
+ 'Assertions': opt_assertions,
+ 'Hardening': opt_hardening,
+ 'Fuzzing': opt_fuzzing,
+ 'Check ASM': opt_check_asm,
+ 'API documentation': doxygen.found(),
+ 'Extra programs': not extra_programs.disabled(),
+ 'Tests': not opt_tests.disabled(),
+ },
+ section: 'General configuration',
+ bool_yn: true,
+ list_sep: ', ',
+)
--- /dev/null
+++ b/meson/get-version.py
@@ -1,0 +1,86 @@
+#!/usr/bin/env python3
+#
+# Opus get-version.py
+#
+# Extracts versions for build:
+# - Opus package version based on 'git describe' or $srcroot/package_version
+# - libtool version based on configure.ac
+# - macos lib version based on configure.ac
+#
+# Usage:
+# get-version.py [--package-version | --libtool-version | --darwin-version]
+import argparse
+import subprocess
+import os
+import sys
+import shutil
+
+if __name__ == '__main__':
+ arg_parser = argparse.ArgumentParser(description='Extract Opus package version or libtool version')
+ group = arg_parser.add_mutually_exclusive_group(required=True)
+ group.add_argument('--libtool-version', action='store_true')+ group.add_argument('--package-version', action='store_true')+ group.add_argument('--darwin-version', action='store_true')+ args = arg_parser.parse_args()
+
+ srcroot = os.path.normpath(os.path.join(os.path.dirname(__file__), '..'))
+
+ # package version
+ if args.package_version:
+ package_version = None
+
+ # check if git checkout
+ git_dir = os.path.join(srcroot, '.git')
+ is_git = os.path.isdir(git_dir)
+ have_git = shutil.which('git') is not None+
+ if is_git and have_git:
+ git_cmd = subprocess.run(['git', '--git-dir=' + git_dir, 'describe', 'HEAD'], stdout=subprocess.PIPE)
+ if git_cmd.returncode:
+ print('ERROR: Could not extract package version via `git describe` in', srcroot, file=sys.stderr)+ sys.exit(-1)
+ package_version = git_cmd.stdout.decode('ascii').strip().lstrip('v')+ else:
+ with open(os.path.join(srcroot, 'package_version'), 'r') as f:
+ for line in f:
+ if line.startswith('PACKAGE_VERSION="'):+ package_version = line[17:].strip().lstrip('v').rstrip('"')+ if package_version:
+ break
+
+ if not package_version:
+ print('ERROR: Could not extract package version from package_version file in', srcroot, file=sys.stderr)+ sys.exit(-1)
+
+ print(package_version)
+ sys.exit(0)
+
+ # libtool version + darwin version
+ elif args.libtool_version or args.darwin_version:
+ opus_lt_cur = None
+ opus_lt_rev = None
+ opus_lt_age = None
+
+ with open(os.path.join(srcroot, 'configure.ac'), 'r') as f:
+ for line in f:
+ if line.strip().startswith('OPUS_LT_CURRENT='):+ opus_lt_cur = line[16:].strip()
+ elif line.strip().startswith('OPUS_LT_REVISION='):+ opus_lt_rev = line[17:].strip()
+ elif line.strip().startswith('OPUS_LT_AGE='):+ opus_lt_age = line[12:].strip()
+
+ if opus_lt_cur and opus_lt_rev and opus_lt_age:
+ opus_lt_cur = int(opus_lt_cur)
+ opus_lt_rev = int(opus_lt_rev)
+ opus_lt_age = int(opus_lt_age)
+ if args.libtool_version:
+ print('{}.{}.{}'.format(opus_lt_cur - opus_lt_age, opus_lt_age, opus_lt_rev))+ elif args.darwin_version:
+ print('{}.{}.{}'.format(opus_lt_cur + 1, 0, 0))+ sys.exit(0)
+ else:
+ print('ERROR: Could not extract libtool version from configure.ac file in', srcroot, file=sys.stderr)+ sys.exit(-1)
+ else:
+ sys.exit(-1)
--- /dev/null
+++ b/meson/read-sources-list.py
@@ -1,0 +1,28 @@
+#!/usr/bin/env python3
+#
+# opus/read-sources-list.py
+#
+# Parses .mk files and extracts list of source files.
+# Prints one line per source file list, with filenames space-separated.
+
+import sys
+
+if len(sys.argv) < 2:
+ sys.exit('Usage: {} sources_foo.mk [sources_bar.mk...]'.format(sys.argv[0]))+
+for input_fn in sys.argv[1:]:
+ with open(input_fn, 'r', encoding='utf8') as f:
+ text = f.read()
+ text = text.replace('\\\n', '')+
+ # Remove empty lines
+ lines = [line for line in text.split('\n') if line.strip()]+
+ # Print SOURCES_XYZ = file1.c file2.c
+ for line in lines:
+ values = line.strip().split('=', maxsplit=2)+ if len(values) != 2:
+ raise RuntimeError('Unable to parse line "{}" from file "{}"'.format(line, input_fn))+ var, files = values
+ sources_list = [f for f in files.split(' ') if f]+ print(var.strip(), '=', ' '.join(sources_list))
--- /dev/null
+++ b/meson_options.txt
@@ -1,0 +1,22 @@
+# Optimizations
+option('fixed-point', type : 'boolean', value : false, description : 'Compile without floating point (for machines without a fast enough FPU')+option('fixed-point-debug', type : 'boolean', value : false, description : 'Debug fixed-point implementation')+option('float-api', type : 'boolean', value : true, description : 'Compile with or without the floating point API (for machines with no float library')+option('float-approx', type : 'boolean', value : false, description : 'Enable fast approximations for floating point (not supported on all platforms)')+option('rtcd', type : 'feature', value : 'auto', description : 'Run-time CPU capabilities detection')+option('asm', type : 'feature', value : 'auto', description : 'Assembly optimizations for ARM (fixed-point)')+option('intrinsics', type : 'feature', value : 'auto', description : 'Intrinsics optimizations for ARM NEON or x86')+
+option('custom-modes', type : 'boolean', value : false, description : 'Enable non-Opus modes, e.g. 44.1 kHz & 2^n frames')+option('extra-programs', type : 'feature', value : 'auto', description : 'Extra programs (demo and tests)')+option('assertions', type : 'boolean', value : false, description : 'Additional software error checking')+option('hardening', type : 'boolean', value : true, description : 'Run-time checks that are cheap and safe for use in production')+option('fuzzing', type : 'boolean', value : false, description : 'Causes the encoder to make random decisions')+option('check-asm', type : 'boolean', value : false, description : 'Run bit-exactness checks between optimized and c implementations')+
+# common feature options
+option('tests', type : 'feature', value : 'auto', description : 'Build tests')+option('docs', type: 'feature', value: 'auto', description: 'Build API documentation')+
+# other options
+option('docdir', type: 'string', value: 'doc/opus', description: 'Directory to install documentation into (default: DATADIR/doc/opus')--- /dev/null
+++ b/silk/meson.build
@@ -1,0 +1,53 @@
+silk_sources = sources['SILK_SOURCES']
+
+silk_sources_sse4_1 = sources['SILK_SOURCES_SSE4_1']
+
+silk_sources_neon_intr = sources['SILK_SOURCES_ARM_NEON_INTR']
+
+silk_sources_fixed_neon_intr = sources['SILK_SOURCES_FIXED_ARM_NEON_INTR']
+
+silk_sources_fixed = sources['SILK_SOURCES_FIXED']
+
+silk_sources_fixed_sse4_1 = sources['SILK_SOURCES_FIXED_SSE4_1']
+
+silk_sources_float = sources['SILK_SOURCES_FLOAT']
+
+if opt_fixed_point
+ silk_sources += silk_sources_fixed
+else
+ silk_sources += silk_sources_float
+endif
+
+silk_includes = [opus_includes, include_directories('float', 'fixed')]+silk_static_libs = []
+
+foreach intr_name : ['sse4_1', 'neon_intr']
+ have_intr = get_variable('have_' + intr_name)+ if not have_intr
+ continue
+ endif
+
+ intr_sources = get_variable('silk_sources_' + intr_name)+ if opt_fixed_point
+ intr_sources += get_variable('silk_sources_fixed_' + intr_name)+ endif
+
+ intr_args = get_variable('opus_@0@_args'.format(intr_name), [])+ silk_static_libs += static_library('silk_' + intr_name, intr_sources,+ c_args: intr_args,
+ include_directories: silk_includes,
+ install: false)
+endforeach
+
+silk_c_args = []
+if host_machine.system() == 'windows'
+ silk_c_args += ['-DDLL_EXPORT']
+endif
+
+silk_lib = static_library('opus-silk',+ silk_sources,
+ c_args: silk_c_args,
+ include_directories: silk_includes,
+ link_whole: silk_static_libs,
+ dependencies: libm,
+ install: false)
--- /dev/null
+++ b/silk/tests/meson.build
@@ -1,0 +1,8 @@
+exe = executable('test_unit_LPC_inv_pred_gain',+ 'test_unit_LPC_inv_pred_gain.c', '../LPC_inv_pred_gain.c',
+ include_directories: opus_includes,
+ link_with: [celt_lib, celt_static_libs, silk_lib, silk_static_libs],
+ dependencies: libm,
+ install: false)
+
+test(test_name, exe)
--- /dev/null
+++ b/src/meson.build
@@ -1,0 +1,45 @@
+opus_sources = sources['OPUS_SOURCES']
+
+opus_sources_float = sources['OPUS_SOURCES_FLOAT']
+
+if not disable_float_api
+ opus_sources += opus_sources_float
+endif
+
+opus_lib_c_args = []
+if host_machine.system() == 'windows'
+ opus_lib_c_args += ['-DDLL_EXPORT']
+endif
+
+opus_lib = library('opus',+ opus_sources,
+ version: libversion,
+ darwin_versions: macosversion,
+ c_args: opus_lib_c_args,
+ include_directories: opus_includes,
+ link_with: [celt_lib, silk_lib],
+ dependencies: libm,
+ install: true)
+
+opus_dep = declare_dependency(link_with: opus_lib,
+ include_directories: opus_public_includes)
+
+# Extra uninstalled Opus programs
+if not extra_programs.disabled()
+ foreach prog : ['opus_compare', 'opus_demo', 'repacketizer_demo']
+ executable(prog, '@0@.c'.format(prog),
+ include_directories: opus_includes,
+ link_with: opus_lib,
+ dependencies: libm,
+ install: false)
+ endforeach
+
+ if opt_custom_modes
+ executable('opus_custom_demo', '../celt/opus_custom_demo.c',+ include_directories: opus_includes,
+ link_with: opus_lib,
+ dependencies: libm,
+ install: false)
+ endif
+
+endif
--- /dev/null
+++ b/tests/meson.build
@@ -1,0 +1,34 @@
+# Tests that link to libopus
+opus_tests = [
+ ['test_opus_api'],
+ ['test_opus_decode', [], 60],
+ ['test_opus_encode', 'opus_encode_regressions.c', 120],
+ ['test_opus_padding'],
+ ['test_opus_projection'],
+]
+
+foreach t : opus_tests
+ test_name = t.get(0)
+ extra_srcs = t.get(1, [])
+
+ test_kwargs = {}+ if t.length() > 2
+ test_kwargs += {'timeout': t[2]}+ endif
+
+ exe_kwargs = {}+ # This test uses private symbols
+ if test_name == 'test_opus_projection'
+ exe_kwargs = {+ 'link_with': [celt_lib, silk_lib],
+ 'objects': opus_lib.extract_all_objects(),
+ }
+ endif
+
+ exe = executable(test_name, '@0@.c'.format(test_name), extra_srcs,
+ include_directories: opus_includes,
+ dependencies: [libm, opus_dep],
+ install: false,
+ kwargs: exe_kwargs)
+ test(test_name, exe, kwargs: test_kwargs)
+endforeach