1/*
2 * libjingle
3 * Copyright 2013 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#if !defined(__has_feature) || !__has_feature(objc_arc)
29#error "This file requires ARC support."
30#endif
31
32#import "RTCVideoCapturer+Internal.h"
33
34#include "talk/media/base/videocapturer.h"
35#include "talk/media/devices/devicemanager.h"
36
37@implementation RTCVideoCapturer {
38  rtc::scoped_ptr<cricket::VideoCapturer> _capturer;
39}
40
41+ (RTCVideoCapturer*)capturerWithDeviceName:(NSString*)deviceName {
42  const std::string& device_name = std::string([deviceName UTF8String]);
43  rtc::scoped_ptr<cricket::DeviceManagerInterface> device_manager(
44      cricket::DeviceManagerFactory::Create());
45  bool initialized = device_manager->Init();
46  NSAssert(initialized, @"DeviceManager::Init() failed");
47  cricket::Device device;
48  if (!device_manager->GetVideoCaptureDevice(device_name, &device)) {
49    LOG(LS_ERROR) << "GetVideoCaptureDevice failed";
50    return 0;
51  }
52  rtc::scoped_ptr<cricket::VideoCapturer> capturer(
53      device_manager->CreateVideoCapturer(device));
54  RTCVideoCapturer* rtcCapturer =
55      [[RTCVideoCapturer alloc] initWithCapturer:capturer.release()];
56  return rtcCapturer;
57}
58
59@end
60
61@implementation RTCVideoCapturer (Internal)
62
63- (id)initWithCapturer:(cricket::VideoCapturer*)capturer {
64  if ((self = [super init])) {
65    _capturer.reset(capturer);
66  }
67  return self;
68}
69
70- (cricket::VideoCapturer*)takeNativeCapturer {
71  return _capturer.release();
72}
73
74@end
75