Add opus audio codec support in remoting

third_party/opus/opus.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'use_system_opus%': 0,
   },
   'conditions': [
     ['use_system_opus==0', {
       'targets': [
         {
           'target_name': 'opus',
           'type': 'static_library',
+          'defines': [
+            'OPUS_BUILD',
+            'WORDS_BIGENDIAN',
+          ],
+          'conditions': [
+            ['OS!="win"', {
+              'defines': [
+                'HAVE_LRINT',
+                'HAVE_LRINTF',
+                'VAR_ARRAYS',
+              ],
+            }, {
+              'defines': [
+                'USE_ALLOCA',
+                'inline=__inline',
+              ],
+              'msvs_disabled_warnings': [
+                4305,  # Disable truncation warning in celt/pitch.c .
+              ],
+            }],
+          ],
           'include_dirs': [
+            '../..',
+            'overrides/include',
             'src/celt',
             'src/include',
             'src/silk',
             'src/silk/float',
           ],
-          'defines': [
-            'OPUS_BUILD',
-            'VAR_ARRAYS',
-            'WORDS_BIGENDIAN',
-          ],
+          'direct_dependent_settings': {
+            'include_dirs': [
+              'overrides/include',
+              'src/include',
+            ],
+          },
           'sources': [
             'src/celt/_kiss_fft_guts.h',
             'src/celt/arch.h',
             'src/celt/bands.c',
             'src/celt/bands.h',
             'src/celt/celt.c',
             'src/celt/celt.h',
             'src/celt/celt_lpc.c',
             'src/celt/celt_lpc.h',
             'src/celt/cwrs.c',
@@ skipping 167 matching lines @@
             'src/silk/tuning_parameters.h',
             'src/silk/typedef.h',
             'src/silk/VAD.c',
             'src/silk/VQ_WMat_EC.c',
             'src/src/opus.c',
             'src/src/opus_decoder.c',
             'src/src/opus_encoder.c',
             'src/src/opus_multistream.c',
             'src/src/repacketizer.c',
           ],
-          'conditions': [
-            ['os_posix == 1', {
-              'defines': [
-                'HAVE_LRINT',
-                'HAVE_LRINTF',
-              ],
-            }],
-          ],
         },  # target opus
       ]
     }, {  # use_system_opus != 0
       'targets': [
         {
           'target_name': 'opus',
           'type': 'none',
           'direct_dependent_settings': {
             'cflags': [
               '<!@(pkg-config --cflags opus)',
             ],
             'defines': [
               'USE_SYSTEM_OPUS',
             ],
           },
           'link_settings': {
             'ldflags': [
               '<!@(pkg-config --libs-only-L --libs-only-other opus)',
             ],
             'libraries': [
               '<!@(pkg-config --libs-only-l opus)',
             ],
           },
         },  # target opus
       ],
     }],
   ],
 }