1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_
6#define PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_
7
8#include <vector>
9
10#include "ppapi/c/dev/pp_video_capture_dev.h"
11#include "ppapi/cpp/completion_callback.h"
12#include "ppapi/cpp/dev/device_ref_dev.h"
13#include "ppapi/cpp/resource.h"
14
15namespace pp {
16
17class InstanceHandle;
18
19class VideoCapture_Dev : public Resource {
20 public:
21  explicit VideoCapture_Dev(const InstanceHandle& instance);
22  VideoCapture_Dev(PP_Resource resource);
23
24  virtual ~VideoCapture_Dev();
25
26  // Returns true if the required interface is available.
27  static bool IsAvailable();
28
29  int32_t EnumerateDevices(
30      const CompletionCallbackWithOutput<std::vector<DeviceRef_Dev> >&
31          callback);
32  int32_t MonitorDeviceChange(PP_MonitorDeviceChangeCallback callback,
33                              void* user_data);
34  int32_t Open(const DeviceRef_Dev& device_ref,
35               const PP_VideoCaptureDeviceInfo_Dev& requested_info,
36               uint32_t buffer_count,
37               const CompletionCallback& callback);
38  int32_t StartCapture();
39  int32_t ReuseBuffer(uint32_t buffer);
40  int32_t StopCapture();
41  void Close();
42};
43
44}  // namespace pp
45
46#endif  // PPAPI_CPP_DEV_VIDEO_CAPTURE_DEV_H_
47