blob: bd0dd7c304bbda050f34fa67fcde72a89a1f484f [file] [log] [blame]
* 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.
#include <string>
#include <vector>
#include "webrtc/base/thread_checker.h"
#include "webrtc/common_video/include/video_frame_buffer.h"
#include "webrtc/media/base/videocapturer.h"
namespace webrtc {
class AndroidVideoCapturer;
class AndroidVideoCapturerDelegate : public rtc::RefCountInterface {
virtual ~AndroidVideoCapturerDelegate() {}
// Start capturing. The implementation of the delegate must call
// AndroidVideoCapturer::OnCapturerStarted with the result of this request.
virtual void Start(int width, int height, int framerate,
AndroidVideoCapturer* capturer) = 0;
// Stops capturing.
// The delegate may not call into AndroidVideoCapturer after this call.
virtual void Stop() = 0;
virtual std::vector<cricket::VideoFormat> GetSupportedFormats() = 0;
// Android implementation of cricket::VideoCapturer for use with WebRtc
// PeerConnection.
class AndroidVideoCapturer : public cricket::VideoCapturer {
explicit AndroidVideoCapturer(
const rtc::scoped_refptr<AndroidVideoCapturerDelegate>& delegate);
virtual ~AndroidVideoCapturer();
// Called from JNI when the capturer has been started.
void OnCapturerStarted(bool success);
// Called from JNI to request a new video format.
void OnOutputFormatRequest(int width, int height, int fps);
AndroidVideoCapturerDelegate* delegate() { return delegate_.get(); }
// cricket::VideoCapturer implementation.
bool GetBestCaptureFormat(const cricket::VideoFormat& desired,
cricket::VideoFormat* best_format) override;
// Expose these protected methods as public, to be used by the
// AndroidVideoCapturerJni.
using VideoCapturer::AdaptFrame;
using VideoCapturer::OnFrame;
// cricket::VideoCapturer implementation.
// Video frames will be delivered using
// cricket::VideoCapturer::SignalFrameCaptured on the thread that calls Start.
cricket::CaptureState Start(
const cricket::VideoFormat& capture_format) override;
void Stop() override;
bool IsRunning() override;
bool IsScreencast() const override { return false; }
bool GetPreferredFourccs(std::vector<uint32_t>* fourccs) override;
bool running_;
rtc::scoped_refptr<AndroidVideoCapturerDelegate> delegate_;
rtc::ThreadChecker thread_checker_;
cricket::CaptureState current_state_;
} // namespace webrtc