| // 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 WEBKIT_MEDIA_SIMPLE_VIDEO_FRAME_PROVIDER_H_ |
| #define WEBKIT_MEDIA_SIMPLE_VIDEO_FRAME_PROVIDER_H_ |
| |
| #include "base/time.h" |
| #include "ui/gfx/size.h" |
| #include "webkit/media/video_frame_provider.h" |
| |
| namespace base { |
| class MessageLoopProxy; |
| } |
| |
| namespace webkit_media { |
| |
| // A simple implementation of VideoFrameProvider generates raw frames and |
| // passes them to webmediaplayer. |
| class SimpleVideoFrameProvider : public VideoFrameProvider { |
| public: |
| SimpleVideoFrameProvider( |
| const gfx::Size& size, |
| const base::TimeDelta& frame_duration, |
| const base::Closure& error_cb, |
| const RepaintCB& repaint_cb); |
| |
| // VideoFrameProvider implementation. |
| virtual void Start() OVERRIDE; |
| virtual void Stop() OVERRIDE; |
| virtual void Play() OVERRIDE; |
| virtual void Pause() OVERRIDE; |
| |
| protected: |
| virtual ~SimpleVideoFrameProvider(); |
| |
| private: |
| enum State { |
| kStarted, |
| kPaused, |
| kStopped, |
| }; |
| |
| void GenerateFrame(); |
| |
| scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; |
| gfx::Size size_; |
| State state_; |
| |
| base::TimeDelta current_time_; |
| base::TimeDelta frame_duration_; |
| base::Closure error_cb_; |
| RepaintCB repaint_cb_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SimpleVideoFrameProvider); |
| }; |
| |
| } // namespace webkit_media |
| |
| #endif // WEBKIT_MEDIA_SIMPLE_VIDEO_FRAME_PROVIDER_H_ |