ppapi/thunk/ppb_video_capture_api.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_THUNK_VIDEO_CAPTURE_API_H_
   6 #define PPAPI_THUNK_VIDEO_CAPTURE_API_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "ppapi/c/dev/ppb_video_capture_dev.h"
  13 #include "ppapi/c/pp_array_output.h"
  14 #include "ppapi/c/pp_resource.h"
  15
  16 namespace ppapi {
  17
  18 class TrackedCallback;
  19
  20 namespace thunk {
  21
  22 class PPB_VideoCapture_API {
  23  public:
  24   virtual ~PPB_VideoCapture_API() {}
  25
  26   virtual int32_t EnumerateDevices(const PP_ArrayOutput& output,
  27                                    scoped_refptr<TrackedCallback> callback) = 0;
  28   virtual int32_t MonitorDeviceChange(PP_MonitorDeviceChangeCallback callback,
  29                                       void* user_data) = 0;
  30   virtual int32_t Open(const std::string& device_id,
  31                        const PP_VideoCaptureDeviceInfo_Dev& requested_info,
  32                        uint32_t buffer_count,
  33                        scoped_refptr<TrackedCallback> callback) = 0;
  34   virtual int32_t StartCapture() = 0;
  35   virtual int32_t ReuseBuffer(uint32_t buffer) = 0;
  36   virtual int32_t StopCapture() = 0;
  37   virtual void Close() = 0;
  38
  39   // This function is not exposed through the C API.  It is only used by flash
  40   // to make synchronous device enumeration.
  41   virtual int32_t EnumerateDevicesSync(const PP_ArrayOutput& devices) = 0;
  42 };
  43
  44 }  // namespace thunk
  45 }  // namespace ppapi
  46
  47 #endif  // PPAPI_THUNK_VIDEO_CAPTURE_API_H_