Move talk/app/webrtc to webrtc/api

talk/app/webrtc/videosource.h

-/*
- * libjingle
- * Copyright 2012 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_VIDEOSOURCE_H_
-#define TALK_APP_WEBRTC_VIDEOSOURCE_H_
-
-#include <list>
-
-#include "talk/app/webrtc/mediastreaminterface.h"
-#include "talk/app/webrtc/notifier.h"
-#include "talk/app/webrtc/videosourceinterface.h"
-#include "talk/app/webrtc/videotrackrenderers.h"
-#include "talk/media/base/videocapturer.h"
-#include "talk/media/base/videocommon.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/sigslot.h"
-
-// VideoSource implements VideoSourceInterface. 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 cricket {
-
-class ChannelManager;
-
-}  // namespace cricket
-
-namespace webrtc {
-
-class MediaConstraintsInterface;
-
-class VideoSource : public Notifier<VideoSourceInterface>,
-                    public sigslot::has_slots<> {
- public:
-  // Creates an instance of VideoSource.
-  // VideoSource take ownership of |capturer|.
-  // |constraints| can be NULL and in that case the camera is opened using a
-  // default resolution.
-  static rtc::scoped_refptr<VideoSource> Create(
-      cricket::ChannelManager* channel_manager,
-      cricket::VideoCapturer* capturer,
-      const webrtc::MediaConstraintsInterface* constraints,
-      bool remote);
-
-  SourceState state() const override { return state_; }
-  bool remote() const override { return remote_; }
-
-  virtual const cricket::VideoOptions* options() const { return &options_; }
-  virtual cricket::VideoRenderer* FrameInput();
-
-  virtual cricket::VideoCapturer* GetVideoCapturer() {
-    return video_capturer_.get();
-  }
-
-  void Stop() override;
-  void Restart() override;
-
-  // |output| will be served video frames as long as the underlying capturer
-  // is running video frames.
-  virtual void AddSink(cricket::VideoRenderer* output);
-  virtual void RemoveSink(cricket::VideoRenderer* output);
-
- protected:
-  VideoSource(cricket::ChannelManager* channel_manager,
-              cricket::VideoCapturer* capturer,
-              bool remote);
-  virtual ~VideoSource();
-  void Initialize(const webrtc::MediaConstraintsInterface* constraints);
-
- private:
-  void OnStateChange(cricket::VideoCapturer* capturer,
-                     cricket::CaptureState capture_state);
-  void SetState(SourceState new_state);
-
-  cricket::ChannelManager* channel_manager_;
-  rtc::scoped_ptr<cricket::VideoCapturer> video_capturer_;
-  rtc::scoped_ptr<cricket::VideoRenderer> frame_input_;
-
-  std::list<cricket::VideoRenderer*> sinks_;
-
-  cricket::VideoFormat format_;
-  cricket::VideoOptions options_;
-  SourceState state_;
-  const bool remote_;
-};
-
-}  // namespace webrtc
-
-#endif  // TALK_APP_WEBRTC_VIDEOSOURCE_H_