Files
platform-external-webrtc/webrtc/api/videocapturertracksource.h
perkj a3ede6c510 Renamed VideoSourceInterface to VideoTrackSourceInterface.
Moved VideoSourceInterface to MediaStreamInterface.h
Renamed VideoSourceTest to VideoCapturerTrackSourceTest
Renamed VideoSource to VideoCaptureTrackSource and cl lint and cl format.
BUG=webrtc:5426
TBR=pthatcher@webrtc.org

Review URL: https://codereview.webrtc.org/1770003002 .

Cr-Commit-Position: refs/heads/master@{#11893}
2016-03-08 00:28:03 +00:00

99 lines
3.5 KiB
C++

/*
* Copyright 2012 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_VIDEOCAPTURERTRACKSOURCE_H_
#define WEBRTC_API_VIDEOCAPTURERTRACKSOURCE_H_
#include <list>
#include "webrtc/api/mediastreaminterface.h"
#include "webrtc/api/notifier.h"
#include "webrtc/api/videosourceinterface.h"
#include "webrtc/api/videotrackrenderers.h"
#include "webrtc/base/asyncinvoker.h"
#include "webrtc/base/scoped_ptr.h"
#include "webrtc/base/sigslot.h"
#include "webrtc/media/base/videosinkinterface.h"
#include "webrtc/media/base/videocapturer.h"
#include "webrtc/media/base/videocommon.h"
// VideoCapturerTrackSource implements VideoTrackSourceInterface. It owns a
// cricket::VideoCapturer and make sure the camera is started at a resolution
// that honors the constraints.
// The state is set depending on the result of starting the capturer.
// If the constraint can't be met or the capturer fails to start, the state
// transition to kEnded, otherwise it transitions to kLive.
namespace webrtc {
class MediaConstraintsInterface;
class VideoCapturerTrackSource : public Notifier<VideoTrackSourceInterface>,
public sigslot::has_slots<> {
public:
// Creates an instance of VideoCapturerTrackSource.
// VideoCapturerTrackSource take ownership of |capturer|.
// |constraints| can be NULL and in that case the camera is opened using a
// default resolution.
static rtc::scoped_refptr<VideoTrackSourceInterface> Create(
rtc::Thread* worker_thread,
cricket::VideoCapturer* capturer,
const webrtc::MediaConstraintsInterface* constraints,
bool remote);
static rtc::scoped_refptr<VideoTrackSourceInterface> Create(
rtc::Thread* worker_thread,
cricket::VideoCapturer* capturer,
bool remote);
SourceState state() const override { return state_; }
bool remote() const override { return remote_; }
virtual const cricket::VideoOptions* options() const { return &options_; }
virtual cricket::VideoCapturer* GetVideoCapturer() {
return video_capturer_.get();
}
void Stop() override;
void Restart() override;
void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink,
const rtc::VideoSinkWants& wants) override;
void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override;
protected:
VideoCapturerTrackSource(rtc::Thread* worker_thread,
cricket::VideoCapturer* capturer,
bool remote);
virtual ~VideoCapturerTrackSource();
void Initialize(const webrtc::MediaConstraintsInterface* constraints);
private:
void OnStateChange(cricket::VideoCapturer* capturer,
cricket::CaptureState capture_state);
void SetState(SourceState new_state);
rtc::Thread* signaling_thread_;
rtc::Thread* worker_thread_;
rtc::AsyncInvoker invoker_;
rtc::scoped_ptr<cricket::VideoCapturer> video_capturer_;
bool started_;
rtc::scoped_ptr<cricket::VideoRenderer> frame_input_;
cricket::VideoFormat format_;
cricket::VideoOptions options_;
SourceState state_;
const bool remote_;
};
} // namespace webrtc
#endif // WEBRTC_API_VIDEOCAPTURERTRACKSOURCE_H_