Add opus audio codec support in remoting

BUG=154714

Review URL: https://codereview.chromium.org/11189047

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163675 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 48 insertions, 15 deletions

diff --git a/third_party/opus/opus.gyp b/third_party/opus/opus.gyp
index c11c9e1..ffd84c7 100644
--- a/third_party/opus/opus.gyp
+++ b/third_party/opus/opus.gyp
@@ -12,17 +12,41 @@
         {
           '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',
@@ -129,8 +153,6 @@
             'src/silk/float/scale_vector_FLP.c',
             'src/silk/float/schur_FLP.c',
             'src/silk/float/SigProc_FLP.h',
-            'src/silk/float/silk_float.vcxproj',
-            'src/silk/float/silk_float.vcxproj.filters',
             'src/silk/float/solve_LS_FLP.c',
             'src/silk/float/sort_FLP.c',
             'src/silk/float/structs_FLP.h',
@@ -210,14 +232,6 @@
             'src/src/opus_multistream.c',
             'src/src/repacketizer.c',
           ],
-          'conditions': [
-            ['os_posix == 1', {
-              'defines': [
-                'HAVE_LRINT',
-                'HAVE_LRINTF',
-              ],
-            }],
-          ],
         },  # target opus
       ]
     }, {  # use_system_opus != 0
diff --git a/third_party/opus/overrides/include/opus_defines.h b/third_party/opus/overrides/include/opus_defines.h
new file mode 100644
index 0000000..290bc91
--- /dev/null
+++ b/third_party/opus/overrides/include/opus_defines.h
@@ -0,0 +1,19 @@
+// 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.
+
+#include "base/stringize_macros.h"
+
+// HACK: This is a hack to make sure that we don't export opus symbols.
+// opus_defines.h sets OPUS_EXPORT only when OPUS_BUILD is defined.
+#if defined(OPUS_BUILD)
+#undef OPUS_BUILD
+#define OPUS_BUILD_DEFINED
+#endif  // defined(OPUS_BUILD)
+
+#include "third_party/opus/src/include/opus_defines.h"
+
+#if defined(OPUS_BUILD_DEFINED)
+#undef OPUS_BUILD_DEFINED
+#define OPUS_BUILD
+#endif  // defined(OPUS_BUILD_DEFINED)