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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
#define CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
#include "content/common/content_export.h"
#include "content/common/media/video_capture.h"
#include "media/video/capture/video_capture.h"
#include "webkit/media/video_frame_provider.h"
namespace base {
class MessageLoopProxy;
}
namespace media {
class VideoCaptureHandlerProxy;
}
class VideoCaptureImplManager;
namespace content {
// This class takes raw frames from video capture engine via VideoCaptureProxy
// and passes them to media player as a video frame provider.
// This class lives on main thread.
class CONTENT_EXPORT LocalVideoCapture
: NON_EXPORTED_BASE(public webkit_media::VideoFrameProvider),
public media::VideoCapture::EventHandler {
public:
LocalVideoCapture(
media::VideoCaptureSessionId video_stream_id,
VideoCaptureImplManager* vc_manager,
const media::VideoCaptureCapability& capability,
const base::Closure& error_cb,
const RepaintCB& repaint_cb);
// webkit_media::VideoFrameProvider implementation.
virtual void Start() OVERRIDE;
virtual void Stop() OVERRIDE;
virtual void Play() OVERRIDE;
virtual void Pause() OVERRIDE;
// VideoCapture::EventHandler implementation.
virtual void OnStarted(media::VideoCapture* capture) OVERRIDE;
virtual void OnStopped(media::VideoCapture* capture) OVERRIDE;
virtual void OnPaused(media::VideoCapture* capture) OVERRIDE;
virtual void OnError(media::VideoCapture* capture, int error_code) OVERRIDE;
virtual void OnRemoved(media::VideoCapture* capture) OVERRIDE;
virtual void OnBufferReady(
media::VideoCapture* capture,
scoped_refptr<media::VideoCapture::VideoFrameBuffer> buf) OVERRIDE;
virtual void OnDeviceInfoReceived(
media::VideoCapture* capture,
const media::VideoCaptureParams& device_info) OVERRIDE;
protected:
virtual ~LocalVideoCapture();
private:
friend class LocalVideoCaptureTest;
media::VideoCaptureSessionId video_stream_id_;
scoped_refptr<VideoCaptureImplManager> vc_manager_;
media::VideoCaptureCapability capability_;
base::Closure error_cb_;
RepaintCB repaint_cb_;
media::VideoCapture* capture_engine_;
scoped_refptr<base::MessageLoopProxy> message_loop_proxy_;
scoped_ptr<media::VideoCaptureHandlerProxy> handler_proxy_;
video_capture::State state_;
DISALLOW_COPY_AND_ASSIGN(LocalVideoCapture);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_LOCAL_VIDEO_CAPTURE_H_
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