| // Copyright 2017 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef STARBOARD_SHARED_STARBOARD_PLAYER_FILTER_VIDEO_RENDER_ALGORITHM_IMPL_H_ |
| #define STARBOARD_SHARED_STARBOARD_PLAYER_FILTER_VIDEO_RENDER_ALGORITHM_IMPL_H_ |
| |
| #include <functional> |
| #include <list> |
| |
| #include "starboard/common/ref_counted.h" |
| #include "starboard/media.h" |
| #include "starboard/shared/internal_only.h" |
| #include "starboard/shared/starboard/player/filter/common.h" |
| #include "starboard/shared/starboard/player/filter/media_time_provider.h" |
| #include "starboard/shared/starboard/player/filter/video_frame_cadence_pattern_generator.h" |
| #include "starboard/shared/starboard/player/filter/video_frame_internal.h" |
| #include "starboard/shared/starboard/player/filter/video_frame_rate_estimator.h" |
| #include "starboard/shared/starboard/player/filter/video_render_algorithm.h" |
| #include "starboard/shared/starboard/player/filter/video_renderer_sink.h" |
| #include "starboard/time.h" |
| |
| namespace starboard { |
| namespace shared { |
| namespace starboard { |
| namespace player { |
| namespace filter { |
| |
| class VideoRenderAlgorithmImpl : public VideoRenderAlgorithm { |
| public: |
| typedef std::function<double()> GetRefreshRateFn; |
| |
| explicit VideoRenderAlgorithmImpl( |
| const GetRefreshRateFn& get_refresh_rate_fn = GetRefreshRateFn()); |
| |
| void Render(MediaTimeProvider* media_time_provider, |
| std::list<scoped_refptr<VideoFrame>>* frames, |
| VideoRendererSink::DrawFrameCB draw_frame_cb) override; |
| void Reset() override; |
| int GetDroppedFrames() override { return dropped_frames_; } |
| |
| private: |
| void RenderWithCadence(MediaTimeProvider* media_time_provider, |
| std::list<scoped_refptr<VideoFrame>>* frames, |
| VideoRendererSink::DrawFrameCB draw_frame_cb); |
| |
| const GetRefreshRateFn get_refresh_rate_fn_; |
| |
| VideoFrameCadencePatternGenerator cadence_pattern_generator_; |
| VideoFrameRateEstimator frame_rate_estimate_; |
| |
| #if SB_PLAYER_FILTER_ENABLE_STATE_CHECK |
| SbTime media_time_of_last_render_call_; |
| SbTime system_time_of_last_render_call_; |
| #endif // SB_PLAYER_FILTER_ENABLE_STATE_CHECK |
| |
| SbTime last_frame_timestamp_ = -1; |
| int current_frame_rendered_times_ = -1; |
| int dropped_frames_ = 0; |
| }; |
| |
| } // namespace filter |
| } // namespace player |
| } // namespace starboard |
| } // namespace shared |
| } // namespace starboard |
| |
| #endif // STARBOARD_SHARED_STARBOARD_PLAYER_FILTER_VIDEO_RENDER_ALGORITHM_IMPL_H_ |