Update Opus from Chromium 83.0.4103.119

Reviewed-on: #2069

third_party/opus/DEPS

@@ -0,0 +1,15 @@
+include_rules = [
+  "+arm",
+  "+celt",
+  "+fixed",
+  "+mips",
+  "+x86",
+]
+
+# For our own unit tests.
+specific_include_rules = {
+  ".*(benchmark|tests)\.cc": [
+    "+base",
+    "+testing",
+  ]
+}

third_party/opus/src/METADATA → third_party/opus/METADATA

@@ -9,9 +9,9 @@ third_party {
   }
   url {
     type: GIT
-    value: "https://github.com/xiph/opus.git"
+    value: "https://chromium.googlesource.com/chromium/src.git"
   }
-  version: "c1c247d7e715100a50ca185948c7336bdd4dfdba"
+  version: "83.0.4103.119"
   last_upgrade_date {
     year: 2018
     month: 6

third_party/opus/OWNERS

@@ -0,0 +1,3 @@
+[email protected]
+[email protected]
+# COMPONENT: Internals>Media>Codecs

third_party/opus/README.chromium

@@ -0,0 +1,22 @@
+Name: opus
+URL: https://git.xiph.org/?p=opus.git
+Version: 6d29f51a40be64e03acc2619f35b4971ba00617c
+License: BSD
+License File: src/COPYING
+Security Critical: yes
+
+Description:
+This directory contains a copy of Opus library
+
+This library is used by Chrome Remote Desktop and WebRTC for audio stream
+encoding/decoding.
+
+Local changes:
+* copy .gitignore from https://git.xiph.org/?p=opus.git;a=tree
+* set 'x' flags: "chmod 750 win32/genversion.bat"
+* remove assertion messages in release builds (see crbug/1053572)
+* apply patch to fix int-overflow in silk (https://gitlab.xiph.org/xiph/opus/-/commit/923bebde)
+* apply patch to fix another int-overflow in silk (https://gitlab.xiph.org/xiph/opus/-/commit/adcb7bc2)
+
+Opus' own unit tests are located in ./src/tests
+Additional chromium tests are located in ./tests

third_party/opus/convert_rtcd_assembler.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+# 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.
+
+# Script for converting celt_pitch_xcorr_arm.s -> celt_pitch_xcorr_arm.S
+# using the arm2gnu.pl script.
+
+import os
+import sys
+
+
+USAGE = ('Usage:\n'
+         './convert_rtcd_assembler.py arm2gnu_script input_file output_file')
+
+
+def main(argv):
+  if len(argv) != 3:
+    print >> sys.stderr, ('Error: You must pass the following arguments:\n'
+                          ' * arm2gnu_script_path\n'
+                          ' * input_file\n'
+                          ' * output_file')
+    print USAGE
+    return 1
+
+  arm2gnu_script = os.path.abspath(argv[0])
+  if not os.path.exists(arm2gnu_script):
+    print >> sys.stderr, ('Error: Cannot find arm2gnu.pl script at: %s.' %
+                          arm2gnu_script)
+    return 2
+
+  input_file = os.path.abspath(argv[1])
+  if not os.path.exists(input_file):
+    print >> sys.stderr, 'Error: Cannot find input file at: %s.' % input_file
+    return 3
+
+  output_file = argv[2]
+
+  # Ensure the output file's directory path exists.
+  output_dir = os.path.dirname(output_file)
+  if not os.path.exists(output_dir):
+    os.makedirs(output_dir)
+
+  cmd = ('perl %s %s | '
+         'sed "s/OPUS_ARM_MAY_HAVE_[A-Z]*/1/g" | '
+         'sed "/.include/d" '
+         '> %s') % (arm2gnu_script, input_file, output_file)
+  return os.system(cmd)
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))

third_party/opus/src/.gitignore

@@ -9,7 +9,6 @@ autom4te.cache
 compile
 config.guess
 config.h
-!/*/config.h
 config.h.in
 config.log
 config.status
@@ -68,7 +67,6 @@ doc/latex
 doc/man
 package_version
 version.h
-!/*/version.h
 celt/Debug
 celt/Release
 celt/x64
@@ -85,3 +83,7 @@ silk/tests/test_unit_LPC_inv_pred_gain
 src/Debug
 src/Release
 src/x64
+/*[Bb]uild*/
+.vs/
+.vscode/
+CMakeSettings.json