webrtc_m130/webrtc/sdk/objc/Framework/Classes/avfoundationvideocapturer.h
nisse af916899cc Move VideoFrame and related declarations to webrtc/api/video.
Moves webrtc/common_video/rotation.h and parts of
webrtc/common_video/include/video_frame_buffer.h and
webrtc/video_frame.h, and adds to a new GN target api:video_frame_api.

BUG=webrtc:5880

Review-Url: https://codereview.webrtc.org/2517173004
Cr-Commit-Position: refs/heads/master@{#15993}
2017-01-10 15:44:26 +00:00

73 lines
2.3 KiB
Objective-C

/*
* Copyright 2015 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 WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
#define WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
#import <AVFoundation/AVFoundation.h>
#include "webrtc/api/video/video_frame.h"
#include "webrtc/common_video/include/i420_buffer_pool.h"
#include "webrtc/media/base/videocapturer.h"
@class RTCAVFoundationVideoCapturerInternal;
namespace rtc {
class Thread;
} // namespace rtc
namespace webrtc {
class AVFoundationVideoCapturer : public cricket::VideoCapturer {
public:
AVFoundationVideoCapturer();
~AVFoundationVideoCapturer();
cricket::CaptureState Start(const cricket::VideoFormat& format) override;
void Stop() override;
bool IsRunning() override;
bool IsScreencast() const override {
return false;
}
bool GetPreferredFourccs(std::vector<uint32_t> *fourccs) override {
fourccs->push_back(cricket::FOURCC_NV12);
return true;
}
// Returns the active capture session. Calls to the capture session should
// occur on the RTCDispatcherTypeCaptureSession queue in RTCDispatcher.
AVCaptureSession* GetCaptureSession();
// Returns whether the rear-facing camera can be used.
// e.g. It can't be used because it doesn't exist.
bool CanUseBackCamera() const;
// Switches the camera being used (either front or back).
void SetUseBackCamera(bool useBackCamera);
bool GetUseBackCamera() const;
// Converts the sample buffer into a cricket::CapturedFrame and signals the
// frame for capture.
void CaptureSampleBuffer(CMSampleBufferRef sample_buffer,
webrtc::VideoRotation rotation);
// Called to adjust the size of output frames to supplied |width| and
// |height|. Also drops frames to make the output match |fps|.
void AdaptOutputFormat(int width, int height, int fps);
private:
RTCAVFoundationVideoCapturerInternal *_capturer;
webrtc::I420BufferPool _buffer_pool;
}; // AVFoundationVideoCapturer
} // namespace webrtc
#endif // WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_