dbus changes: add SetGlobalOutputChannelRemix support

chromeos/dbus/cras_audio_client.cc

 // Copyright (c) 2013 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 "chromeos/dbus/cras_audio_client.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/format_macros.h"
@@ skipping 168 matching lines @@
     dbus::MethodCall method_call(cras::kCrasControlInterface,
                                  cras::kSwapLeftRight);
     dbus::MessageWriter writer(&method_call);
     writer.AppendUint64(node_id);
     writer.AppendBool(swap);
     cras_proxy_->CallMethod(&method_call,
                             dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
                             dbus::ObjectProxy::EmptyResponseCallback());
   }
 
+  void SetGlobalOutputChannelRemix(int32_t channels,
+                                   const std::vector<double>& mixer) override {
+    dbus::MethodCall method_call(cras::kCrasControlInterface,
+                                 cras::kSetGlobalOutputChannelRemix);
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendInt32(channels);
+    writer.AppendArrayOfDoubles(mixer.data(), mixer.size());
+    cras_proxy_->CallMethod(&method_call,
+                            dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+                            dbus::ObjectProxy::EmptyResponseCallback());
+  }
+
   void WaitForServiceToBeAvailable(
       const WaitForServiceToBeAvailableCallback& callback) override {
     cras_proxy_->WaitForServiceToBeAvailable(callback);
   }
 
  protected:
   void Init(dbus::Bus* bus) override {
     cras_proxy_ = bus->GetObjectProxy(cras::kCrasServiceName,
                                       dbus::ObjectPath(cras::kCrasServicePath));
 
@@ skipping 263 matching lines @@
 
 CrasAudioClient::~CrasAudioClient() {
 }
 
 // static
 CrasAudioClient* CrasAudioClient::Create() {
   return new CrasAudioClientImpl();
 }
 
 }  // namespace chromeos