Add libwebm in third_party.

libwebm will be used by chromoting client to generate WebM stream for
MediaSource API.

BUG=321825

Review URL: https://codereview.chromium.org/134643003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245139 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -293,6 +293,10 @@ deps = {
   "src/third_party/html_office":
      Var("chromium_git") +
          "/chromium/html-office-public.git@1d04f3dfbd8bd604190dfb6f5a030d30233ba6ea",
+
+  "src/third_party/libwebm/source":
+    Var("chromium_git") +
+      "/webm/libwebm.git@5efd6e3c1df766c08294ad19168e71522ee0d808",
 }
 
 

third_party/libwebm/OWNERS

@@ -0,0 +1,2 @@
+sergeyu@chromium.org
+tomfinegan@chromium.org

third_party/libwebm/README.chromium

@@ -0,0 +1,13 @@
+Name: WebM container parser and writer.
+Short Name: libwebm
+URL: http://www.webmproject.org/code/
+Version: unknown
+License: BSD
+License File: source/LICENSE.TXT
+Security Critical: No
+
+Description:
+libwebm is a library to read and write WebM files. It's used in Chrome Remote
+Desktop to generate WebM stream that can be fed to the MedisSource API. It's
+_not_ used in Chrome to parse WebM files (there is a separate parser in
+src/media).

third_party/libwebm/libwebm.gyp

@@ -0,0 +1,18 @@
+# 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.
+
+{
+  'includes': [
+    'libwebm.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'libwebm',
+      'type': 'static_library',
+      'sources': [
+        '<@(libwebm_sources)'
+      ]
+    },  # target libwebm
+  ]
+}

third_party/libwebm/libwebm.gypi

@@ -0,0 +1,45 @@
+# 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.
+
+{
+  'variables': {
+    'libwebm_sources': [
+      'source/mkvmuxer.cpp',
+      'source/mkvmuxerutil.cpp',
+      'source/mkvwriter.cpp',
+    ],
+  }
+}
+
+if (is_android) {
+  arm_use_neon = false
+  # Our version of arm_neon_optional from common.gypi. This is not used in the
+  # current build so is commented out for now.
+  #arm_optionally_use_neon = false
+} else {
+  arm_use_neon = true
+  #arm_optionally_use_neon = true
+}
+
+if (arm_version == 6) {
+  arm_arch = "armv6"
+  arm_tune = ""
+  arm_float_abi = "softfp"
+  arm_fpu = "vfp"
+  # Thumb is a reduced instruction set available on some ARM processors that
+  # has increased code density.
+  arm_use_thumb = false
+
+} else if (arm_version == 7) {
+  arm_arch = "armv7-a"
+  arm_tune = "cortex-a8"
+  arm_float_abi = "softfp"
+  arm_use_thumb = true
+
+  if (arm_use_neon) {
+    arm_fpu = "neon"
+  } else {
+    arm_fpu = "vfpv3-d16"
+  }
+}

third_party/libwebm/libwebm_nacl.gyp

@@ -0,0 +1,28 @@
+# 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.
+
+{
+  'includes': [
+    'libwebm.gypi',
+    '../../native_client/build/untrusted.gypi',
+  ],
+  'targets': [
+    {
+      'target_name': 'libwebm_nacl',
+      'type': 'none',
+      'variables': {
+        'nlib_target': 'libwebm_nacl.a',
+        'build_glibc': 0,
+        'build_newlib': 0,
+        'build_pnacl_newlib': 1,
+      },
+      'dependencies': [
+        '../../native_client/tools.gyp:prep_toolchain',
+      ],
+      'sources': [
+        '<@(libwebm_sources)',
+      ],
+    },  # target libwebm_nacl
+  ]
+}