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| 1 /* | |
| 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #ifndef WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_ | |
| 12 #define WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_ | |
| 13 | |
| 14 #include <stdint.h> | |
| 15 | |
| 16 #include <list> | |
| 17 | |
| 18 #include "webrtc/video_frame.h" | |
| 19 | |
| 20 namespace webrtc { | |
| 21 | |
| 22 // Class definitions | |
| 23 class VideoRenderFrames { | |
| 24 public: | |
| 25 VideoRenderFrames(); | |
| 26 | |
| 27 // Add a frame to the render queue | |
| 28 int32_t AddFrame(const VideoFrame& new_frame); | |
| 29 | |
| 30 // Get a frame for rendering, or a zero-size frame if it's not time to render. | |
| 31 VideoFrame FrameToRender(); | |
| 32 | |
| 33 // Releases all frames | |
| 34 int32_t ReleaseAllFrames(); | |
| 35 | |
| 36 // Returns the number of ms to next frame to render | |
| 37 uint32_t TimeToNextFrameRelease(); | |
| 38 | |
| 39 // Sets estimates delay in renderer | |
| 40 int32_t SetRenderDelay(const uint32_t render_delay); | |
| 41 | |
| 42 private: | |
| 43 // 10 seconds for 30 fps. | |
| 44 enum { KMaxNumberOfFrames = 300 }; | |
| 45 // Don't render frames with timestamp older than 500ms from now. | |
| 46 enum { KOldRenderTimestampMS = 500 }; | |
| 47 // Don't render frames with timestamp more than 10s into the future. | |
| 48 enum { KFutureRenderTimestampMS = 10000 }; | |
| 49 | |
| 50 // Sorted list with framed to be rendered, oldest first. | |
| 51 std::list<VideoFrame> incoming_frames_; | |
| 52 | |
| 53 // Estimated delay from a frame is released until it's rendered. | |
| 54 uint32_t render_delay_ms_; | |
| 55 }; | |
| 56 | |
| 57 } // namespace webrtc | |
| 58 | |
| 59 #endif // WEBRTC_COMMON_VIDEO_VIDEO_RENDER_FRAMES_H_ | |
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