/*
 * libjingle
 * Copyright 2013 Google Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif

#import "RTCVideoCapturer+Internal.h"

#include <memory>

#include "webrtc/media/base/videocapturer.h"
#include "webrtc/media/engine/webrtcvideocapturerfactory.h"

@implementation RTCVideoCapturer {
  std::unique_ptr<cricket::VideoCapturer> _capturer;
}

+ (RTCVideoCapturer*)capturerWithDeviceName:(NSString*)deviceName {
  cricket::WebRtcVideoDeviceCapturerFactory factory;
  cricket::Device device(std::string(deviceName.UTF8String), 0);
  std::unique_ptr<cricket::VideoCapturer> capturer(factory.Create(device));
  RTCVideoCapturer* rtcCapturer =
      [[RTCVideoCapturer alloc] initWithCapturer:capturer.release()];
  return rtcCapturer;
}

@end

@implementation RTCVideoCapturer (Internal)

- (id)initWithCapturer:(cricket::VideoCapturer*)capturer {
  if ((self = [super init])) {
    _capturer.reset(capturer);
  }
  return self;
}

- (cricket::VideoCapturer*)takeNativeCapturer {
  return _capturer.release();
}

@end