| /* |
| * Copyright (c) 2012 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_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_ // NOLINT |
| #define WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_ // NOLINT |
| |
| #include "webrtc/modules/video_render/include/video_render.h" |
| #include "webrtc/system_wrappers/interface/list_wrapper.h" |
| |
| namespace webrtc { |
| |
| // Class definitions |
| class VideoRenderFrames { |
| public: |
| VideoRenderFrames(); |
| ~VideoRenderFrames(); |
| |
| // Add a frame to the render queue |
| int32_t AddFrame(I420VideoFrame* new_frame); |
| |
| // Get a frame for rendering, if it's time to render. |
| I420VideoFrame* FrameToRender(); |
| |
| // Return an old frame |
| int32_t ReturnFrame(I420VideoFrame* old_frame); |
| |
| // Releases all frames |
| int32_t ReleaseAllFrames(); |
| |
| // Returns the number of ms to next frame to render |
| uint32_t TimeToNextFrameRelease(); |
| |
| // Sets estimates delay in renderer |
| int32_t SetRenderDelay(const uint32_t render_delay); |
| |
| private: |
| // 10 seconds for 30 fps. |
| enum { KMaxNumberOfFrames = 300 }; |
| // Don't render frames with timestamp older than 500ms from now. |
| enum { KOldRenderTimestampMS = 500 }; |
| // Don't render frames with timestamp more than 10s into the future. |
| enum { KFutureRenderTimestampMS = 10000 }; |
| |
| // Sorted list with framed to be rendered, oldest first. |
| ListWrapper incoming_frames_; |
| // Empty frames. |
| ListWrapper empty_frames_; |
| |
| // Estimated delay from a frame is released until it's rendered. |
| uint32_t render_delay_ms_; |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // WEBRTC_MODULES_VIDEO_RENDER_MAIN_SOURCE_VIDEO_RENDER_FRAMES_H_ // NOLINT |