Implement audio proxy for Pepper.

In addition to the basic proxying, this required some changes to the dispatcher
and process infrastructure to get the handles of the processes available when
I need them so I can duplicate the shared memory handles properly into the
different processes.

TEST=none
BUG=none
Review URL: http://codereview.chromium.org/4985001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@68026 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 46 insertions, 0 deletions

diff --git a/ppapi/proxy/ppb_audio_config_proxy.h b/ppapi/proxy/ppb_audio_config_proxy.h
new file mode 100644
index 0000000..b80ea31
--- /dev/null
+++ b/ppapi/proxy/ppb_audio_config_proxy.h
@@ -0,0 +1,46 @@
+// Copyright (c) 2010 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.
+
+#ifndef PPAPI_PROXY_PPB_AUDIO_CONFIG_PROXY_H_
+#define PPAPI_PROXY_PPB_AUDIO_CONFIG_PROXY_H_
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_module.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/proxy/interface_proxy.h"
+
+struct PPB_AudioConfig_Dev;
+
+namespace pp {
+namespace proxy {
+
+class PPB_AudioConfig_Proxy : public InterfaceProxy {
+ public:
+  PPB_AudioConfig_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_AudioConfig_Proxy();
+
+  const PPB_AudioConfig_Dev* ppb_audio_config_target() const {
+    return static_cast<const PPB_AudioConfig_Dev*>(target_interface());
+  }
+
+  // InterfaceProxy implementation.
+  virtual const void* GetSourceInterface() const;
+  virtual InterfaceID GetInterfaceId() const;
+  virtual void OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  // Message handlers.
+  void OnMsgCreateStereo16Bit(PP_Module module,
+                              int32_t sample_rate,
+                              uint32_t sample_frame_count,
+                              PP_Resource* result);
+  void OnMsgRecommendSampleFrameCount(uint32_t requested, uint32_t* result);
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_AudioConfig_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPB_AUDIO_CONFIG_PROXY_H_