modules/video_capture/external/device_info_external.cc

/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include <stdint.h>

#include "modules/video_capture/device_info_impl.h"
#include "modules/video_capture/video_capture.h"
#include "modules/video_capture/video_capture_impl.h"

namespace webrtc {

namespace videocapturemodule {

class ExternalDeviceInfo : public DeviceInfoImpl {
 public:
  ExternalDeviceInfo() {}
  ~ExternalDeviceInfo() override {}
  uint32_t NumberOfDevices() override { return 0; }
  int32_t DisplayCaptureSettingsDialogBox(const char* /*deviceUniqueIdUTF8*/,
                                          const char* /*dialogTitleUTF8*/,
                                          void* /*parentWindow*/,
                                          uint32_t /*positionX*/,
                                          uint32_t /*positionY*/) override {
    return -1;
  }
  int32_t GetDeviceName(uint32_t deviceNumber,
                        char* deviceNameUTF8,
                        uint32_t deviceNameLength,
                        char* deviceUniqueIdUTF8,
                        uint32_t deviceUniqueIdUTF8Length,
                        char* productUniqueIdUTF8 = 0,
                        uint32_t productUniqueIdUTF8Length = 0) override {
    return -1;
  }
  int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8) override {
    return 0;
  }
  int32_t Init() override { return 0; }
};

VideoCaptureModule::DeviceInfo* VideoCaptureImpl::CreateDeviceInfo() {
  return new ExternalDeviceInfo();
}

}  // namespace videocapturemodule

}  // namespace webrtc