modules/video_capture/linux/device_info_linux.h

/*
 *  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.
 */

#ifndef MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_DEVICE_INFO_LINUX_H_
#define MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_DEVICE_INFO_LINUX_H_

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

namespace webrtc {
namespace videocapturemodule {
class DeviceInfoLinux : public DeviceInfoImpl {
 public:
  DeviceInfoLinux();
  virtual ~DeviceInfoLinux();
  virtual uint32_t NumberOfDevices();
  virtual int32_t GetDeviceName(uint32_t deviceNumber,
                                char* deviceNameUTF8,
                                uint32_t deviceNameLength,
                                char* deviceUniqueIdUTF8,
                                uint32_t deviceUniqueIdUTF8Length,
                                char* productUniqueIdUTF8 = 0,
                                uint32_t productUniqueIdUTF8Length = 0);
  /*
   * Fills the membervariable _captureCapabilities with capabilites for the
   * given device name.
   */
  virtual int32_t CreateCapabilityMap(const char* deviceUniqueIdUTF8);
  virtual int32_t DisplayCaptureSettingsDialogBox(
      const char* /*deviceUniqueIdUTF8*/,
      const char* /*dialogTitleUTF8*/,
      void* /*parentWindow*/,
      uint32_t /*positionX*/,
      uint32_t /*positionY*/) {
    return -1;
  }
  int32_t FillCapabilities(int fd);
  int32_t Init();

 private:
  bool IsDeviceNameMatches(const char* name, const char* deviceUniqueIdUTF8);
};
}  // namespace videocapturemodule
}  // namespace webrtc
#endif  // MODULES_VIDEO_CAPTURE_MAIN_SOURCE_LINUX_DEVICE_INFO_LINUX_H_