Created a protocol buffer for AudioPacket.

BUG=
TEST=


Review URL: https://chromiumcodereview.appspot.com/10527005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@140578 0039d316-1c4b-4281-b951-d872f2087c98

remoting/proto/audio.proto

@@ -0,0 +1,51 @@
+// 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.
+
+// Protocol for audio messages.
+
+syntax = "proto2";
+
+option optimize_for = LITE_RUNTIME;
+
+package remoting;
+
+message AudioPacket {
+  optional int32 timestamp = 1 [default = 0];
+
+  // Data is always signed and represented using little endian.
+  optional bytes data = 2;
+
+  enum Encoding {
+    ENCODING_INVALID = -1;
+    ENCODING_RAW = 0;  // Uncompressed encoding
+    ENCODING_OGG = 1;
+  }
+
+  optional Encoding encoding = 3 [default = ENCODING_INVALID];
+
+  enum SamplingRate {
+    SAMPLING_RATE_INVALID = -1;
+    SAMPLING_RATE_44100 = 44100;
+    SAMPLING_RATE_48000 = 48000;
+  }
+
+  optional SamplingRate sampling_rate = 4 [default = SAMPLING_RATE_INVALID];
+
+  enum BytesPerSample {
+    BYTES_PER_SAMPLE_INVALID = -1;
+    BYTES_PER_SAMPLE_2 = 2;
+  }
+
+  optional BytesPerSample bytes_per_sample = 5
+      [default = BYTES_PER_SAMPLE_INVALID];
+
+  enum Channels {
+    CHANNELS_INVALID = -1;
+    CHANNELS_MONO = 1;
+    CHANNELS_STEREO = 2;
+  }
+
+  optional Channels channels = 6 [default = CHANNELS_INVALID];
+}
+

remoting/proto/chromotocol.gyp

@@ -1,4 +1,4 @@
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# 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.
 
@@ -11,6 +11,7 @@
       'target_name': 'chromotocol_proto_lib',
       'type': 'static_library',
       'sources': [
+        'audio.proto',
         'control.proto',
         'event.proto',
         'internal.proto',