73 lines
2.3 KiB
Objective-C
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/media/base/videocapturer.h"
|
|
#include "webrtc/video_frame.h"
|
|
|
|
@class RTCAVFoundationVideoCapturerInternal;
|
|
|
|
namespace rtc {
|
|
class Thread;
|
|
} // namespace rtc
|
|
|
|
namespace webrtc {
|
|
|
|
class AVFoundationVideoCapturer : public cricket::VideoCapturer,
|
|
public rtc::MessageHandler {
|
|
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 sampleBuffer);
|
|
|
|
// Handles messages from posts.
|
|
void OnMessage(rtc::Message *msg) override;
|
|
|
|
private:
|
|
void OnFrameMessage(CVImageBufferRef image_buffer, int64_t capture_time);
|
|
|
|
RTCAVFoundationVideoCapturerInternal *_capturer;
|
|
rtc::Thread *_startThread; // Set in Start(), unset in Stop().
|
|
}; // AVFoundationVideoCapturer
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_API_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
|