doc: Update tarball generation process

Use meson dist, include subproject tarballs, and sha256sum files are
also autogenerated.

.gitignore

@@ -8,3 +8,4 @@
 build/
 depcomp
 install/
+subprojects/*/

.gitlab-ci.yml

@@ -19,8 +19,8 @@ variables:
   # CI runs, for example when adding new packages to FDO_DISTRIBUTION_PACKAGES.
   # The tag is an arbitrary string that identifies the exact container
   # contents.
-  BASE_TAG: '2020-11-27.1'
+  BASE_TAG: '2023-05-25.0'
-  FDO_DISTRIBUTION_VERSION: '20.10'
+  FDO_DISTRIBUTION_VERSION: '22.10'
   FDO_UPSTREAM_REPO: 'pulseaudio/webrtc-audio-processing'
 
 include:
@@ -43,9 +43,12 @@ include:
     FDO_DISTRIBUTION_PACKAGES: >-
       g++
       gcc
+      git-core
+      cmake
       libabsl-dev
       meson
       ninja-build
+      pkg-config
       python3-setuptools
 
 # Used to extend both container and build jobs
@@ -75,24 +78,205 @@ build-container-aarch64:
   stage: container
 
 # Common build template
-.build:
+.build-distro-absl:
   stage: build
   extends:
     - .fdo.distribution-image@ubuntu
   script:
-    - meson build
+    - meson setup --wrap-mode=nofallback builddir
-    - cd build
+    - ninja -C builddir
-    - ninja
   artifacts:
+    expire_in: '5 days'
+    when: 'always'
     paths:
-      - build/
+      - "builddir/meson-logs/*txt"
 
-build-x86_64:
+.build-vendored-absl:
+  stage: build
   extends:
-    - .build
+    - .fdo.distribution-image@ubuntu
+  script:
+    - meson setup --force-fallback-for=abseil-cpp builddir
+    - ninja -C builddir
+  artifacts:
+    expire_in: '5 days'
+    when: 'always'
+    paths:
+      - "builddir/meson-logs/*txt"
+
+build-distro-absl-x86_64:
+  extends:
+    - .build-distro-absl
     - .ubuntu-x86_64
 
-build-aarch64:
+build-vendored-absl-x86_64:
   extends:
-    - .build
+    - .build-vendored-absl
+    - .ubuntu-x86_64
+
+build-distro-absl-aarch64:
+  extends:
+    - .build-distro-absl
     - .ubuntu-aarch64
+
+build-vendored-absl-aarch64:
+  extends:
+    - .build-vendored-absl
+    - .ubuntu-aarch64
+
+# Update from:
+# https://gitlab.freedesktop.org/gstreamer/gstreamer/-/blob/main/.gitlab-ci.yml
+# https://gitlab.freedesktop.org/gstreamer/orc/-/blob/main/.gitlab-ci.yml
+vs2019 amd64:
+  # Update from https://gitlab.freedesktop.org/gstreamer/gstreamer/container_registry
+  image: 'registry.freedesktop.org/gstreamer/gstreamer/amd64/windows:2023-04-21.0-main'
+  stage: 'build'
+  tags:
+    - 'docker'
+    - 'windows'
+    - '2022'
+  artifacts:
+    expire_in: '5 days'
+    when: 'always'
+    paths:
+      - "builddir/meson-logs/*txt"
+  variables:
+    # Make sure any failure in PowerShell scripts is fatal
+    ErrorActionPreference: 'Stop'
+    WarningPreference: 'Stop'
+    ARCH: 'amd64'
+    PLAT: 'Desktop'
+  before_script:
+    # Make sure meson is up to date, so we don't need to rebuild the image with each release
+    - pip3 install -U meson ninja
+  script:
+    # Gitlab executes PowerShell in docker, but VsDevCmd.bat is a batch script.
+    # Environment variables substitutions is done by PowerShell before calling
+    # cmd.exe, that's why we use $env:FOO instead of %FOO%
+    - cmd.exe /C "C:\BuildTools\Common7\Tools\VsDevCmd.bat -host_arch=amd64 -arch=$env:ARCH -app_platform=$env:PLAT &&
+        meson setup builddir &&
+        meson compile --verbose -C builddir"
+
+# Update from:
+# https://gitlab.freedesktop.org/gstreamer/cerbero/-/blob/main/.gitlab-ci.yml
+# https://gitlab.freedesktop.org/gstreamer/orc/-/blob/main/.gitlab-ci.yml
+macos x86_64:
+  stage: 'build'
+  tags:
+    - gst-macos-13
+  artifacts:
+    expire_in: '5 days'
+    when: 'always'
+    paths:
+      - "builddir/meson-logs/*txt"
+  before_script:
+    - pip3 install --upgrade pip
+    # Need to install certificates for python
+    - pip3 install --upgrade certifi
+    # Anther way to install certificates
+    - open /Applications/Python\ 3.8/Install\ Certificates.command
+    # Make sure meson and ninja are up to date
+    - pip3 install -U meson ninja
+  script:
+    - CERT_PATH=$(python3 -m certifi) && export SSL_CERT_FILE=${CERT_PATH} && export REQUESTS_CA_BUNDLE=${CERT_PATH}
+    - meson setup builddir
+    - meson compile --verbose -C builddir
+
+# Update from:
+# https://gitlab.freedesktop.org/gstreamer/cerbero/-/blob/main/.gitlab-ci.yml
+# https://gitlab.freedesktop.org/gstreamer/orc/-/blob/main/.gitlab-ci.yml
+ios arm64:
+  stage: 'build'
+  tags:
+    - gst-ios-16
+  artifacts:
+    name: "${CI_JOB_NAME}_${CI_COMMIT_SHA}"
+    expire_in: '5 days'
+    when: 'always'
+    paths:
+      - "builddir/meson-logs/*txt"
+  before_script:
+    - pip3 install --upgrade pip
+    # Need to install certificates for python
+    - pip3 install --upgrade certifi
+    # Anther way to install certificates
+    - open /Applications/Python\ 3.8/Install\ Certificates.command
+    # Make sure meson and ninja are up to date
+    - pip3 install -U meson ninja
+  script:
+    - CERT_PATH=$(python3 -m certifi) && export SSL_CERT_FILE=${CERT_PATH} && export REQUESTS_CA_BUNDLE=${CERT_PATH}
+    - |
+      cat > ios-cross-file.txt <<EOF
+      [host_machine]
+      system = 'darwin'
+      cpu_family = 'aarch64'
+      cpu = 'aarch64'
+      endian = 'little'
+
+      [properties]
+      c_args           = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      objc_args        = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      cpp_args         = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      objcpp_args      = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      c_link_args      = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      objc_link_args   = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      cpp_link_args    = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+      objcpp_link_args = ['-arch', 'arm64', '--sysroot=$(xcrun --sdk iphoneos --show-sdk-path)', '-miphoneos-version-min=8.0']
+
+      [binaries]
+      ar        = '$(xcrun --find --sdk iphoneos ar)'
+      c         = '$(xcrun --find --sdk iphoneos clang)'
+      objc      = '$(xcrun --find --sdk iphoneos clang)'
+      cpp       = '$(xcrun --find --sdk iphoneos clang++)'
+      objcpp    = '$(xcrun --find --sdk iphoneos clang++)'
+      ranlib    = '$(xcrun --find --sdk iphoneos ranlib)'
+      strip     = '$(xcrun --find --sdk iphoneos strip)'
+      pkgconfig = 'false'
+      cmake     = 'false'
+      EOF
+    - meson setup --cross-file ios-cross-file.txt builddir
+    - meson compile --verbose -C builddir
+
+# Update from:
+# https://gitlab.freedesktop.org/gstreamer/cerbero/-/blob/main/.gitlab-ci.yml
+# https://gitlab.freedesktop.org/gstreamer/orc/-/blob/main/.gitlab-ci.yml
+android fedora arm64:
+  # Update from https://gitlab.freedesktop.org/gstreamer/cerbero/container_registry
+  image: 'registry.freedesktop.org/gstreamer/cerbero/amd64/android-fedora:2021-10-22.0-1.18'
+  stage: 'build'
+  artifacts:
+    expire_in: '5 days'
+    when: 'always'
+    paths:
+      - "builddir/meson-logs/*.txt"
+  before_script:
+    - dnf install -y python3-pip gcc ninja-build
+    - pip3 install --user meson
+  script:
+    - export PATH="$HOME/.local/bin:$PATH"
+    - |
+      cat > android-cross-file.txt <<EOF
+      [constants]
+      ndk_path    = '/android/ndk'
+      toolchain   = ndk_path + '/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android'
+      api         = '28'
+
+      [host_machine]
+      system      = 'android'
+      cpu_family  = 'aarch64'
+      cpu         = 'aarch64'
+      endian      = 'little'
+
+      [properties]
+      sys_root        = ndk_path + '/sysroot'
+      c_link_args     = ['-fuse-ld=gold']
+      cpp_link_args   = ['-fuse-ld=gold']
+
+      [binaries]
+      c           = toolchain + api + '-clang'
+      cpp         = toolchain + api + '-clang++'
+      ar          = toolchain + '-ar'
+      strip       = toolchain + '-strip'
+      EOF
+    - meson setup --cross-file android-cross-file.txt builddir
+    - meson compile --verbose -C builddir

README.md

@@ -1,9 +1,9 @@
-About
+# About
-=====
 
 This is meant to be a more Linux packaging friendly copy of the AudioProcessing
-module from the WebRTC[1] project. The ideal case is that we make no changes to
+module from the [ WebRTC ](https://webrtc.googlesource.com/src) project. The
-the code to make tracking upstream code easy.
+ideal case is that we make no changes to the code to make tracking upstream
+code easy.
 
 This package currently only includes the AudioProcessing bits, but I am very
 open to collaborating with other projects that wish to distribute other bits of
@@ -11,25 +11,33 @@ the code and hopefully eventually have a single point of packaging all the
 WebRTC code to help people reuse the code and avoid keeping private copies in
 several different projects.
 
-[1] https://webrtc.googlesource.com/src
+# Building
 
-Feedback
+This project uses the [Meson build system](https://mesonbuild.com/). The
-========
+quickest way to build is:
 
-Patches, suggestions welcome. You can send them to the PulseAudio mailing
+```sh
-list[2] or to me at the address below.
+# Initialise into the build/ directory, for a prefixed install into the
+# install/ directory
+meson . build -Dprefix=$PWD/install
 
--- Arun Raghavan <mail@arunraghavan.net>
+# Run the actual build
+ninja -C build
 
-[2] http://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
+# Install locally
+ninja -C build install
 
-Notes
+# The libraries, headers, and pkg-config files are now in the install/
-====
+# directory
+```
 
-1. Some files need to be patch to avoid pulling in the gtest framework. This
+# Feedback
-   should ideally be pushed upstream in some way so we're able to just pull
-   in what we need without changing anything.
 
-2. It might be nice to try LTO on the library. We build a lot of code as part
+Patches, suggestions welcome. You can file an issue on our Gitlab
+[repository](https://gitlab.freedesktop.org/pulseaudio/webrtc-audio-processing/).
+
+# Notes
+
+1. It might be nice to try LTO on the library. We build a lot of code as part
    of the main AudioProcessing module deps, and it's possible that this could
    provide significant space savings.

RELEASING.md

@@ -25,16 +25,19 @@ git tag -s -m 'WebRTC AudioProcessing v<X.y>' v<X.y>
 ## Make a tarball
 
 ```sh
-git archive --format 'tar.gz' \
+# The output will be in build/meson-dist/
-  --prefix webrtc-audio-processing-X.y -9 vX.y \
+meson dist -C build --formats=gztar,xztar --include-subprojects
-  > webrtc-audio-processing-X.y.tar.gz
 ```
 
-## Checksum the tarball
+## Do a test build
 
 ```sh
-sha256sum webrtc-audio-processing-X.y.tar.gz \
+tar xvf webrtc-audio-processing-X.y.tar.xz
-  > webrtc-audio-processing-X.y.tar.gz.sha256
+cd webrtc-audio-processing-X.y
+meson . build -Dprefix=$PWD/install
+ninja -C build
+ninja -C build install
+cd ..
 ```
 
 ## Publish the files

meson.build

@@ -1,10 +1,10 @@
-project('webrtc-audio-processing-1', 'c', 'cpp',
+project('webrtc-audio-processing', 'c', 'cpp',
-  version : '1.0',
+  version : '1.1',
-  meson_version : '>= 0.54',
+  meson_version : '>= 0.55',
   default_options : [ 'warning_level=1',
                       'buildtype=debugoptimized',
                       'c_std=c11',
-                      'cpp_std=c++14',
+                      'cpp_std=c++17',
                     ]
 )
 
@@ -27,37 +27,46 @@ ac_minor_version = minor_version
 ac_version = ac_major_version + '.' + ac_minor_version
 ac_project_name = 'webrtc-audio-coding-' + ac_major_version
 
-include_subdir = meson.project_name()
+include_subdir = apm_project_name
 
 cc = meson.get_compiler('c')
 cpp = meson.get_compiler('cpp')
 
 host_system = host_machine.system()
 
+# Don't rely on the cross file setting the system properly when targeting ios
+if host_system == 'darwin' and meson.is_cross_build()
+  ios_test_code = '''#include <TargetConditionals.h>
+  #if ! TARGET_OS_IPHONE
+  #error "Not iOS/tvOS/watchOS/iPhoneSimulator"
+  #endif'''
+  if cc.compiles(ios_test_code, name : 'building for iOS')
+    host_system = 'ios'
+  endif
+endif
+
 platform_cflags = []
 os_cflags = []
 os_deps = []
 have_posix = false
 have_win = false
 
+# Let's use pkg-config if available. This will also fallback to the subproject
+# if pkg-config is not found, which is really the most reliable way of building
+# abseil due to strict C++ standard match requirements.
 absl_dep = [
-  cpp.find_library('absl_base'),
+  dependency('absl_base', default_options: ['cpp_std=c++17']),
-  cpp.find_library('absl_bad_optional_access'),
+  dependency('absl_flags'),
-  cpp.find_library('absl_flags_internal'),
+  dependency('absl_strings'),
-  cpp.find_library('absl_flags_marshalling'),
+  dependency('absl_synchronization'),
-  cpp.find_library('absl_flags_parse'),
-  cpp.find_library('absl_flags_registry'),
-  cpp.find_library('absl_flags_usage_internal'),
-  cpp.find_library('absl_raw_logging_internal'),
-  cpp.find_library('absl_strings'),
-  cpp.find_library('absl_synchronization'),
-  cpp.find_library('absl_throw_delegate'),
 ]
 
 if ['darwin', 'ios'].contains(host_system)
   os_cflags = ['-DWEBRTC_MAC']
   if host_system == 'ios'
     os_cflags += ['-DWEBRTC_IOS']
+    # For absl_bad_optional_access
+    absl_dep += [dependency('absl_types')]
   endif
   have_posix = true
 elif host_system == 'android'
@@ -72,6 +81,12 @@ elif host_system == 'linux'
   have_posix = true
 elif host_system == 'windows'
   platform_cflags += ['-DWEBRTC_WIN', '-D_WIN32', '-U__STRICT_ANSI__']
+  # this one is for MinGW to get format specifiers from inttypes.h in C++
+  platform_cflags += ['-D__STDC_FORMAT_MACROS=1']
+  # Avoid min/max from windows.h which breaks std::min/max
+  platform_cflags += ['-DNOMINMAX']
+  # Ensure M_PI etc are defined
+  platform_cflags += ['-D_USE_MATH_DEFINES']
   os_deps += [cc.find_library('winmm')]
   have_win = true
 endif
@@ -88,8 +103,8 @@ have_mips = false
 have_mips64 = false
 have_x86 = false
 have_avx2 = false
-if ['arm', 'armv7'].contains(host_machine.cpu_family())
+if host_machine.cpu_family() == 'arm'
-  if cc.compiles('''#ifdef __ARM_ARCH_ISA_ARM
+  if cc.compiles('''#ifndef __ARM_ARCH_ISA_ARM
 #error no arm arch
 #endif''')
     have_arm = true
@@ -124,14 +139,14 @@ if ['x86', 'x86_64'].contains(host_machine.cpu_family())
 endif
 
 neon_opt = get_option('neon')
-if neon_opt != 'no'
+if neon_opt != 'no' and not have_neon
   if neon_opt != 'runtime'
     if cc.compiles('#include <arm_neon.h>', args : '-mfpu=neon')
       arch_cflags += ['-mfpu=neon', '-DWEBRTC_HAS_NEON']
       have_neon = true
     endif
   else
-    neon_opt += ['-DWEBRTC_DETECT_NEON', '-mfpu=neon']
+    arch_cflags += ['-DWEBRTC_DETECT_NEON', '-mfpu=neon']
     have_neon = true
   endif
 endif

subprojects/abseil-cpp.wrap

@@ -0,0 +1,26 @@
+[wrap-file]
+directory = abseil-cpp-20230125.1
+source_url = https://github.com/abseil/abseil-cpp/archive/20230125.1.tar.gz
+source_filename = abseil-cpp-20230125.1.tar.gz
+source_hash = 81311c17599b3712069ded20cca09a62ab0bf2a89dfa16993786c8782b7ed145
+patch_filename = abseil-cpp_20230125.1-1_patch.zip
+patch_url = https://wrapdb.mesonbuild.com/v2/abseil-cpp_20230125.1-1/get_patch
+patch_hash = a920ab28067e433d7ead2d564a4f511628f498f0723f7f94d19317877787ef39
+source_fallback_url = https://github.com/mesonbuild/wrapdb/releases/download/abseil-cpp_20230125.1-1/abseil-cpp-20230125.1.tar.gz
+wrapdb_version = 20230125.1-1
+
+[provide]
+absl_base = absl_base_dep
+absl_container = absl_container_dep
+absl_debugging = absl_debugging_dep
+absl_log = absl_log_dep
+absl_flags = absl_flags_dep
+absl_hash = absl_hash_dep
+absl_crc = absl_crc_dep
+absl_numeric = absl_numeric_dep
+absl_random = absl_random_dep
+absl_status = absl_status_dep
+absl_strings = absl_strings_dep
+absl_synchronization = absl_synchronization_dep
+absl_time = absl_time_dep
+absl_types = absl_types_dep

webrtc/modules/audio_coding/meson.build

@@ -1,3 +1,12 @@
+isac_vad_sources = [
+  'codecs/isac/main/source/filter_functions.c',
+  'codecs/isac/main/source/isac_vad.c',
+  'codecs/isac/main/source/pitch_estimator.c',
+  'codecs/isac/main/source/pitch_filter.c',
+]
+
+isac_vad_dep = declare_dependency(sources: isac_vad_sources)
+
 webrtc_audio_coding_sources = [
   'codecs/isac/main/source/arith_routines.c',
   'codecs/isac/main/source/arith_routines_hist.c',
@@ -12,18 +21,14 @@ webrtc_audio_coding_sources = [
   'codecs/isac/main/source/encode_lpc_swb.c',
   'codecs/isac/main/source/entropy_coding.c',
   'codecs/isac/main/source/filterbanks.c',
-  'codecs/isac/main/source/filter_functions.c',
   'codecs/isac/main/source/intialize.c',
   'codecs/isac/main/source/isac.c',
-  'codecs/isac/main/source/isac_vad.c',
   'codecs/isac/main/source/lattice.c',
   'codecs/isac/main/source/lpc_analysis.c',
   'codecs/isac/main/source/lpc_gain_swb_tables.c',
   'codecs/isac/main/source/lpc_shape_swb12_tables.c',
   'codecs/isac/main/source/lpc_shape_swb16_tables.c',
   'codecs/isac/main/source/lpc_tables.c',
-  'codecs/isac/main/source/pitch_estimator.c',
-  'codecs/isac/main/source/pitch_filter.c',
   'codecs/isac/main/source/pitch_gain_tables.c',
   'codecs/isac/main/source/pitch_lag_tables.c',
   'codecs/isac/main/source/spectrum_ar_model_tables.c',
@@ -32,7 +37,7 @@ webrtc_audio_coding_sources = [
 
 libwebrtc_audio_coding = library(ac_project_name,
     webrtc_audio_coding_sources,
-    dependencies: [base_dep, api_dep, common_audio_dep, system_wrappers_dep, fft_dep] + common_deps,
+    dependencies: [base_dep, api_dep, common_audio_dep, system_wrappers_dep, fft_dep, isac_vad_dep] + common_deps,
     include_directories: webrtc_inc,
     c_args: common_cflags,
     cpp_args: common_cxxflags,

webrtc/modules/audio_processing/aec3/reverb_frequency_response.h

@@ -12,6 +12,7 @@
 #define MODULES_AUDIO_PROCESSING_AEC3_REVERB_FREQUENCY_RESPONSE_H_
 
 #include <array>
+#include <memory>
 #include <vector>
 
 #include "absl/types/optional.h"

webrtc/modules/audio_processing/agc2/rnn_vad/BUILD.gn

@@ -215,19 +215,4 @@ if (rtc_include_tests) {
       deps += [ ":unittests_bundle_data" ]
     }
   }
-
-  rtc_executable("rnn_vad_tool") {
-    testonly = true
-    sources = [ "rnn_vad_tool.cc" ]
-    deps = [
-      ":rnn_vad",
-      ":rnn_vad_common",
-      "../../../../api:array_view",
-      "../../../../common_audio",
-      "../../../../rtc_base:rtc_base_approved",
-      "../../../../test:test_support",
-      "//third_party/abseil-cpp/absl/flags:flag",
-      "//third_party/abseil-cpp/absl/flags:parse",
-    ]
-  }
 }

webrtc/modules/audio_processing/agc2/rnn_vad/rnn_vad_tool.cc

@@ -1,120 +0,0 @@
-/*
- *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include <array>
-#include <string>
-#include <vector>
-
-#include "absl/flags/flag.h"
-#include "absl/flags/parse.h"
-#include "common_audio/resampler/push_sinc_resampler.h"
-#include "common_audio/wav_file.h"
-#include "modules/audio_processing/agc2/rnn_vad/common.h"
-#include "modules/audio_processing/agc2/rnn_vad/features_extraction.h"
-#include "modules/audio_processing/agc2/rnn_vad/rnn.h"
-#include "rtc_base/logging.h"
-
-ABSL_FLAG(std::string, i, "", "Path to the input wav file");
-ABSL_FLAG(std::string, f, "", "Path to the output features file");
-ABSL_FLAG(std::string, o, "", "Path to the output VAD probabilities file");
-
-namespace webrtc {
-namespace rnn_vad {
-namespace test {
-
-int main(int argc, char* argv[]) {
-  absl::ParseCommandLine(argc, argv);
-  rtc::LogMessage::LogToDebug(rtc::LS_INFO);
-
-  // Open wav input file and check properties.
-  const std::string input_wav_file = absl::GetFlag(FLAGS_i);
-  WavReader wav_reader(input_wav_file);
-  if (wav_reader.num_channels() != 1) {
-    RTC_LOG(LS_ERROR) << "Only mono wav files are supported";
-    return 1;
-  }
-  if (wav_reader.sample_rate() % 100 != 0) {
-    RTC_LOG(LS_ERROR) << "The sample rate rate must allow 10 ms frames.";
-    return 1;
-  }
-  RTC_LOG(LS_INFO) << "Input sample rate: " << wav_reader.sample_rate();
-
-  // Init output files.
-  const std::string output_vad_probs_file = absl::GetFlag(FLAGS_o);
-  FILE* vad_probs_file = fopen(output_vad_probs_file.c_str(), "wb");
-  FILE* features_file = nullptr;
-  const std::string output_feature_file = absl::GetFlag(FLAGS_f);
-  if (!output_feature_file.empty()) {
-    features_file = fopen(output_feature_file.c_str(), "wb");
-  }
-
-  // Initialize.
-  const size_t frame_size_10ms =
-      rtc::CheckedDivExact(wav_reader.sample_rate(), 100);
-  std::vector<float> samples_10ms;
-  samples_10ms.resize(frame_size_10ms);
-  std::array<float, kFrameSize10ms24kHz> samples_10ms_24kHz;
-  PushSincResampler resampler(frame_size_10ms, kFrameSize10ms24kHz);
-  FeaturesExtractor features_extractor;
-  std::array<float, kFeatureVectorSize> feature_vector;
-  RnnBasedVad rnn_vad;
-
-  // Compute VAD probabilities.
-  while (true) {
-    // Read frame at the input sample rate.
-    const auto read_samples =
-        wav_reader.ReadSamples(frame_size_10ms, samples_10ms.data());
-    if (read_samples < frame_size_10ms) {
-      break;  // EOF.
-    }
-    // Resample input.
-    resampler.Resample(samples_10ms.data(), samples_10ms.size(),
-                       samples_10ms_24kHz.data(), samples_10ms_24kHz.size());
-
-    // Extract features and feed the RNN.
-    bool is_silence = features_extractor.CheckSilenceComputeFeatures(
-        samples_10ms_24kHz, feature_vector);
-    float vad_probability =
-        rnn_vad.ComputeVadProbability(feature_vector, is_silence);
-    // Write voice probability.
-    RTC_DCHECK_GE(vad_probability, 0.f);
-    RTC_DCHECK_GE(1.f, vad_probability);
-    fwrite(&vad_probability, sizeof(float), 1, vad_probs_file);
-    // Write features.
-    if (features_file) {
-      const float float_is_silence = is_silence ? 1.f : 0.f;
-      fwrite(&float_is_silence, sizeof(float), 1, features_file);
-      if (is_silence) {
-        // Do not write uninitialized values.
-        feature_vector.fill(0.f);
-      }
-      fwrite(feature_vector.data(), sizeof(float), kFeatureVectorSize,
-             features_file);
-    }
-  }
-
-  // Close output file(s).
-  fclose(vad_probs_file);
-  RTC_LOG(LS_INFO) << "VAD probabilities written to " << output_vad_probs_file;
-  if (features_file) {
-    fclose(features_file);
-    RTC_LOG(LS_INFO) << "features written to " << output_feature_file;
-  }
-
-  return 0;
-}
-
-}  // namespace test
-}  // namespace rnn_vad
-}  // namespace webrtc
-
-int main(int argc, char* argv[]) {
-  return webrtc::rnn_vad::test::main(argc, argv);
-}

webrtc/modules/audio_processing/meson.build

@@ -88,7 +88,6 @@ webrtc_audio_processing_sources = [
   'agc2/rnn_vad/pitch_search.cc',
   'agc2/rnn_vad/pitch_search_internal.cc',
   'agc2/rnn_vad/rnn.cc',
-  'agc2/rnn_vad/rnn_vad_tool.cc',
   'agc2/rnn_vad/spectral_features.cc',
   'agc2/rnn_vad/spectral_features_internal.cc',
   'agc2/saturation_protector.cc',
@@ -199,7 +198,7 @@ libwebrtc_audio_processing = library(apm_project_name,
     dependencies: [
       base_dep,
       api_dep,
-      webrtc_audio_coding_dep,
+      isac_vad_dep,
       system_wrappers_dep,
       common_audio_dep,
       pffft_dep,

webrtc/modules/audio_processing/transient/file_utils.h

@@ -12,6 +12,7 @@
 #define MODULES_AUDIO_PROCESSING_TRANSIENT_FILE_UTILS_H_
 
 #include <string.h>
+#include <cstdint>
 
 #include "rtc_base/system/file_wrapper.h"
 

webrtc/rtc_base/logging.cc

@@ -15,6 +15,7 @@
 #if RTC_LOG_ENABLED()
 
 #if defined(WEBRTC_WIN)
+#include <winsock2.h>
 #include <windows.h>
 #if _MSC_VER < 1900
 #define snprintf _snprintf

webrtc/rtc_base/meson.build

@@ -51,9 +51,24 @@ foreach h : base_headers
   )
 endforeach
 
+base_os_deps = []
+if host_system == 'darwin'
+  base_os_deps += dependency('appleframeworks', modules: [ 'Foundation' ])
+elif host_system == 'ios'
+  base_os_deps += dependency('appleframeworks',
+    modules: [
+      'CFNetwork',
+      'Foundation',
+      'Security',
+      'SystemConfiguration',
+      'UIKit',
+    ]
+  )
+endif
+
 libbase = static_library('libbase',
     base_sources,
-    dependencies: common_deps,
+    dependencies: common_deps + base_os_deps,
     include_directories: webrtc_inc,
     cpp_args : common_cxxflags
 )

webrtc/rtc_base/platform_thread_types.cc

@@ -99,11 +99,13 @@ void SetCurrentThreadName(const char* name) {
 
 #pragma warning(push)
 #pragma warning(disable : 6320 6322)
+#ifndef __MINGW32__
   __try {
     ::RaiseException(0x406D1388, 0, sizeof(threadname_info) / sizeof(ULONG_PTR),
                      reinterpret_cast<ULONG_PTR*>(&threadname_info));
   } __except (EXCEPTION_EXECUTE_HANDLER) {  // NOLINT
   }
+#endif
 #pragma warning(pop)
 #elif defined(WEBRTC_LINUX) || defined(WEBRTC_ANDROID)
   prctl(PR_SET_NAME, reinterpret_cast<unsigned long>(name));  // NOLINT

webrtc/rtc_base/synchronization/rw_lock_win.h

@@ -11,7 +11,7 @@
 #ifndef RTC_BASE_SYNCHRONIZATION_RW_LOCK_WIN_H_
 #define RTC_BASE_SYNCHRONIZATION_RW_LOCK_WIN_H_
 
-#include <Windows.h>
+#include <windows.h>
 
 #include "rtc_base/synchronization/rw_lock_wrapper.h"
 

webrtc/rtc_base/system/arch.h

@@ -27,6 +27,13 @@
 #define WEBRTC_ARCH_ARM_FAMILY
 #define WEBRTC_ARCH_64_BITS
 #define WEBRTC_ARCH_LITTLE_ENDIAN
+#elif defined(__riscv) || defined(__riscv__)
+#define WEBRTC_ARCH_LITTLE_ENDIAN
+#if __riscv_xlen == 64
+#define WEBRTC_ARCH_64_BITS
+#else
+#define WEBRTC_ARCH_32_BITS
+#endif
 #elif defined(_M_IX86) || defined(__i386__)
 #define WEBRTC_ARCH_X86_FAMILY
 #define WEBRTC_ARCH_X86

webrtc/rtc_base/system/file_wrapper.cc

@@ -14,7 +14,7 @@
 #include <cerrno>
 
 #ifdef _WIN32
-#include <Windows.h>
+#include <windows.h>
 #else
 #include <string.h>
 #endif

webrtc/rtc_base/system/warn_current_thread_is_deadlocked.h

@@ -14,7 +14,11 @@
 namespace webrtc {
 
 #if defined(WEBRTC_ANDROID) && !defined(WEBRTC_CHROMIUM_BUILD)
+/* webrtc-audio-processing:
+ * We don't support the Android SDK integration for this, so stub out
 void WarnThatTheCurrentThreadIsProbablyDeadlocked();
+ */
+inline void WarnThatTheCurrentThreadIsProbablyDeadlocked() {}
 #else
 inline void WarnThatTheCurrentThreadIsProbablyDeadlocked() {}
 #endif