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Side by Side Diff: webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.h

Issue 2862543002: Split iOS sdk in to separate targets (Closed)
Patch Set: rebase and minor fixes Created 3 years, 7 months ago
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1 /*
2 * Copyright 2015 The WebRTC project authors. All Rights Reserved.
3 *
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
9 */
10
11 #ifndef WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
12 #define WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
13
14 #import <AVFoundation/AVFoundation.h>
15
16 #include "webrtc/api/video/video_frame.h"
17 #include "webrtc/common_video/include/i420_buffer_pool.h"
18 #include "webrtc/media/base/videocapturer.h"
19
20 @class RTCAVFoundationVideoCapturerInternal;
21
22 namespace rtc {
23 class Thread;
24 } // namespace rtc
25
26 namespace webrtc {
27
28 class AVFoundationVideoCapturer : public cricket::VideoCapturer {
29 public:
30 AVFoundationVideoCapturer();
31 ~AVFoundationVideoCapturer();
32
33 cricket::CaptureState Start(const cricket::VideoFormat& format) override;
34 void Stop() override;
35 bool IsRunning() override;
36 bool IsScreencast() const override {
37 return false;
38 }
39 bool GetPreferredFourccs(std::vector<uint32_t> *fourccs) override {
40 fourccs->push_back(cricket::FOURCC_NV12);
41 return true;
42 }
43
44 // Returns the active capture session. Calls to the capture session should
45 // occur on the RTCDispatcherTypeCaptureSession queue in RTCDispatcher.
46 AVCaptureSession* GetCaptureSession();
47
48 // Returns whether the rear-facing camera can be used.
49 // e.g. It can't be used because it doesn't exist.
50 bool CanUseBackCamera() const;
51
52 // Switches the camera being used (either front or back).
53 void SetUseBackCamera(bool useBackCamera);
54 bool GetUseBackCamera() const;
55
56 // Converts the sample buffer into a cricket::CapturedFrame and signals the
57 // frame for capture.
58 void CaptureSampleBuffer(CMSampleBufferRef sample_buffer,
59 webrtc::VideoRotation rotation);
60
61 // Called to adjust the size of output frames to supplied |width| and
62 // |height|. Also drops frames to make the output match |fps|.
63 void AdaptOutputFormat(int width, int height, int fps);
64
65 private:
66 RTCAVFoundationVideoCapturerInternal *_capturer;
67 webrtc::I420BufferPool _buffer_pool;
68 }; // AVFoundationVideoCapturer
69
70 } // namespace webrtc
71
72 #endif // WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
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