1/*
2 * libjingle
3 * Copyright 2015 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#import "RTCAVFoundationVideoSource+Internal.h"
29
30#import "RTCMediaConstraints+Internal.h"
31#import "RTCMediaSource+Internal.h"
32#import "RTCPeerConnectionFactory+Internal.h"
33#import "RTCVideoSource+Internal.h"
34
35@implementation RTCAVFoundationVideoSource
36
37- (instancetype)initWithFactory:(RTCPeerConnectionFactory*)factory
38                    constraints:(RTCMediaConstraints*)constraints {
39  NSParameterAssert(factory);
40  rtc::scoped_ptr<webrtc::AVFoundationVideoCapturer> capturer;
41  capturer.reset(new webrtc::AVFoundationVideoCapturer());
42  rtc::scoped_refptr<webrtc::VideoSourceInterface> source =
43      factory.nativeFactory->CreateVideoSource(capturer.release(),
44                                               constraints.constraints);
45  return [super initWithMediaSource:source];
46}
47
48- (BOOL)useBackCamera {
49  return self.capturer->GetUseBackCamera();
50}
51
52- (void)setUseBackCamera:(BOOL)useBackCamera {
53  self.capturer->SetUseBackCamera(useBackCamera);
54}
55
56- (AVCaptureSession*)captureSession {
57  return self.capturer->GetCaptureSession();
58}
59
60- (webrtc::AVFoundationVideoCapturer*)capturer {
61  cricket::VideoCapturer* capturer = self.videoSource->GetVideoCapturer();
62  // This should be safe because no one should have changed the underlying video
63  // source.
64  webrtc::AVFoundationVideoCapturer* foundationCapturer =
65      static_cast<webrtc::AVFoundationVideoCapturer*>(capturer);
66  return foundationCapturer;
67}
68
69@end
70