| /* |
| * Copyright (c) 2013 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_VIDEO_ENGINE_OVERUSE_FRAME_DETECTOR_H_ |
| #define WEBRTC_VIDEO_ENGINE_OVERUSE_FRAME_DETECTOR_H_ |
| |
| #include <list> |
| |
| #include "webrtc/modules/interface/module.h" |
| #include "webrtc/system_wrappers/interface/constructor_magic.h" |
| #include "webrtc/system_wrappers/interface/scoped_ptr.h" |
| |
| namespace webrtc { |
| |
| class Clock; |
| class CriticalSectionWrapper; |
| |
| class OveruseObserver { |
| public: |
| // Called when an overuse has been detected, based on the number of calls to |
| // 'CapturedFrame' and 'EncodedFrame'. |
| virtual void OveruseDetected() = 0; |
| virtual ~OveruseObserver() {} |
| }; |
| |
| // Use to detect system overuse based on the number of captured frames vs. the |
| // number of encoded frames. |
| class OveruseFrameDetector : public Module { |
| public: |
| OveruseFrameDetector(Clock* clock, OveruseObserver* observer); |
| ~OveruseFrameDetector(); |
| |
| // Called for each new captured frame. |
| void CapturedFrame(); |
| |
| // Called for every encoded frame. |
| void EncodedFrame(); |
| |
| // Implements Module. |
| virtual int32_t TimeUntilNextProcess(); |
| virtual int32_t Process(); |
| |
| private: |
| void CleanOldSamples(); |
| |
| // Protecting all members. |
| scoped_ptr<CriticalSectionWrapper> crit_; |
| |
| // Observer getting overuse reports. |
| OveruseObserver* observer_; |
| |
| Clock* clock_; |
| int64_t last_process_time_; |
| |
| // Capture time for frames. |
| std::list<int64_t> capture_times_; |
| |
| // Start encode time for a frame. |
| std::list<int64_t> encode_times_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OveruseFrameDetector); |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_VIDEO_ENGINE_OVERUSE_FRAME_DETECTOR_H_ |