src/ppapi/cpp/dev/video_capture_dev.h

   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_