Pepper_42_C++_interfaces
video_capture_dev.h
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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 
15 namespace pp {
16 
17 class InstanceHandle;
18 
19 class 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_
virtual ~VideoCapture_Dev()
int32_t Open(const DeviceRef_Dev &device_ref, const PP_VideoCaptureDeviceInfo_Dev &requested_info, uint32_t buffer_count, const CompletionCallback &callback)
static bool IsAvailable()
int32_t ReuseBuffer(uint32_t buffer)
VideoCapture_Dev(const InstanceHandle &instance)
int32_t EnumerateDevices(const CompletionCallbackWithOutput< std::vector< DeviceRef_Dev > > &callback)
A reference counted module resource.
Definition: resource.h:20
int32_t MonitorDeviceChange(PP_MonitorDeviceChangeCallback callback, void *user_data)