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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 PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_
#define PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_
#include <vector>
#include "ppapi/c/dev/ppb_audio_input_dev.h"
#include "ppapi/cpp/audio_config.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/cpp/dev/device_ref_dev.h"
#include "ppapi/cpp/resource.h"
namespace pp {
class InstanceHandle;
class AudioInput_Dev : public Resource {
public:
/// An empty constructor for an AudioInput resource.
AudioInput_Dev();
/// Constructor to create an audio input resource.
explicit AudioInput_Dev(const InstanceHandle& instance);
virtual ~AudioInput_Dev();
/// Static function for determining whether the browser supports the required
/// AudioInput interface.
///
/// @return true if the interface is available, false otherwise.
static bool IsAvailable();
int32_t EnumerateDevices(
const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >&
callback);
int32_t MonitorDeviceChange(PP_MonitorDeviceChangeCallback callback,
void* user_data);
/// If |device_ref| is null (i.e., is_null() returns true), the default device
/// will be used.
///
/// Requires <code>PPB_AudioInput_Dev</code> version 0.4 or up.
int32_t Open(const DeviceRef_Dev& device_ref,
const AudioConfig& config,
PPB_AudioInput_Callback audio_input_callback,
void* user_data,
const CompletionCallback& callback);
/// Requires <code>PPB_AudioInput_Dev</code> version 0.3.
int32_t Open(const DeviceRef_Dev& device_ref,
const AudioConfig& config,
PPB_AudioInput_Callback_0_3 audio_input_callback_0_3,
void* user_data,
const CompletionCallback& callback);
bool StartCapture();
bool StopCapture();
void Close();
};
} // namespace pp
#endif // PPAPI_CPP_DEV_AUDIO_INPUT_DEV_H_
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