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/*
* libjingle
* Copyright 2015 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TALK_APP_WEBRTC_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
#define TALK_APP_WEBRTC_OBJC_AVFOUNDATION_VIDEO_CAPTURER_H_
#include "talk/media/base/videocapturer.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/video_frame.h"
#import <AVFoundation/AVFoundation.h>
@class RTCAVFoundationVideoCapturerInternal;
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.
AVCaptureSession* GetCaptureSession();
// 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);
private:
// Used to signal frame capture on the thread that capturer was started on.
void SignalFrameCapturedOnStartThread(const cricket::CapturedFrame* frame);
RTCAVFoundationVideoCapturerInternal* _capturer;
rtc::Thread* _startThread; // Set in Start(), unset in Stop().
}; // AVFoundationVideoCapturer
} // namespace webrtc
#endif // TALK_APP_WEBRTC_OBJC_AVFOUNDATION_CAPTURER_H_
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