87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_API_ANDROIDVIDEOCAPTURER_H_
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#define WEBRTC_API_ANDROIDVIDEOCAPTURER_H_
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#include <string>
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#include <vector>
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#include "webrtc/base/thread_checker.h"
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#include "webrtc/common_video/include/video_frame_buffer.h"
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#include "webrtc/media/base/videocapturer.h"
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namespace webrtc {
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class AndroidVideoCapturer;
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class AndroidVideoCapturerDelegate : public rtc::RefCountInterface {
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public:
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virtual ~AndroidVideoCapturerDelegate() {}
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// Start capturing. The implementation of the delegate must call
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// AndroidVideoCapturer::OnCapturerStarted with the result of this request.
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virtual void Start(int width, int height, int framerate,
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AndroidVideoCapturer* capturer) = 0;
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// Stops capturing.
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// The delegate may not call into AndroidVideoCapturer after this call.
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virtual void Stop() = 0;
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virtual std::vector<cricket::VideoFormat> GetSupportedFormats() = 0;
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};
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// Android implementation of cricket::VideoCapturer for use with WebRtc
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// PeerConnection.
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class AndroidVideoCapturer : public cricket::VideoCapturer {
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public:
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explicit AndroidVideoCapturer(
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const rtc::scoped_refptr<AndroidVideoCapturerDelegate>& delegate);
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virtual ~AndroidVideoCapturer();
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// Called from JNI when the capturer has been started.
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void OnCapturerStarted(bool success);
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// Called from JNI to request a new video format.
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void OnOutputFormatRequest(int width, int height, int fps);
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AndroidVideoCapturerDelegate* delegate() { return delegate_.get(); }
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// cricket::VideoCapturer implementation.
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bool GetBestCaptureFormat(const cricket::VideoFormat& desired,
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cricket::VideoFormat* best_format) override;
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// Expose these protected methods as public, to be used by the
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// AndroidVideoCapturerJni.
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using VideoCapturer::AdaptFrame;
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using VideoCapturer::OnFrame;
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private:
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// cricket::VideoCapturer implementation.
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// Video frames will be delivered using
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// cricket::VideoCapturer::SignalFrameCaptured on the thread that calls Start.
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cricket::CaptureState Start(
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const cricket::VideoFormat& capture_format) override;
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void Stop() override;
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bool IsRunning() override;
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bool IsScreencast() const override { return false; }
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bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override;
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bool running_;
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rtc::scoped_refptr<AndroidVideoCapturerDelegate> delegate_;
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rtc::ThreadChecker thread_checker_;
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cricket::CaptureState current_state_;
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};
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} // namespace webrtc
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#endif // WEBRTC_API_ANDROIDVIDEOCAPTURER_H_
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