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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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