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// 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.
#ifndef WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_
#define WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "ppapi/shared_impl/ppb_audio_input_shared.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
namespace webkit {
namespace ppapi {
// Some of the backend functionality of this class is implemented by the
// PPB_AudioInput_Shared so it can be shared with the proxy.
class PPB_AudioInput_Impl : public ::ppapi::PPB_AudioInput_Shared,
public PluginDelegate::PlatformAudioInputClient,
public base::SupportsWeakPtr<PPB_AudioInput_Impl> {
public:
typedef std::vector< ::ppapi::DeviceRefData> DeviceRefDataVector;
explicit PPB_AudioInput_Impl(PP_Instance instance);
virtual ~PPB_AudioInput_Impl();
// Creation function for the v0.1 interface. This handles all initialization
// and will return 0 on failure.
static PP_Resource Create0_1(PP_Instance instance,
PP_Resource config,
PPB_AudioInput_Callback audio_input_callback,
void* user_data);
// Implementation of PPB_AudioInput_API trusted methods.
virtual int32_t OpenTrusted(
const std::string& device_id,
PP_Resource config,
const PP_CompletionCallback& create_callback) OVERRIDE;
virtual int32_t GetSyncSocket(int* sync_socket) OVERRIDE;
virtual int32_t GetSharedMemory(int* shm_handle, uint32_t* shm_size) OVERRIDE;
virtual const DeviceRefDataVector& GetDeviceRefData() const OVERRIDE;
// PluginDelegate::PlatformAudioInputClient implementation.
virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle,
size_t shared_memory_size,
base::SyncSocket::Handle socket) OVERRIDE;
virtual void StreamCreationFailed() OVERRIDE;
private:
// PPB_AudioInput_Shared implementation.
virtual int32_t InternalEnumerateDevices(
PP_Resource* devices,
PP_CompletionCallback callback) OVERRIDE;
virtual int32_t InternalOpen(const std::string& device_id,
PP_AudioSampleRate sample_rate,
uint32_t sample_frame_count,
PP_CompletionCallback callback) OVERRIDE;
virtual PP_Bool InternalStartCapture() OVERRIDE;
virtual PP_Bool InternalStopCapture() OVERRIDE;
virtual void InternalClose() OVERRIDE;
void EnumerateDevicesCallbackFunc(int request_id,
bool succeeded,
const DeviceRefDataVector& devices);
// PluginDelegate audio input object that we delegate audio IPC through.
// We don't own this pointer but are responsible for calling Shutdown on it.
PluginDelegate::PlatformAudioInput* audio_input_;
DeviceRefDataVector devices_data_;
DISALLOW_COPY_AND_ASSIGN(PPB_AudioInput_Impl);
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_
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