1/*
2 *  Copyright (c) 2013 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_VIDEO_RENDERER_H_
12#define WEBRTC_VIDEO_RENDERER_H_
13
14namespace webrtc {
15
16class VideoFrame;
17
18class VideoRenderer {
19 public:
20  // This function should return as soon as possible and not block until it's
21  // time to render the frame.
22  // TODO(mflodman) Remove time_to_render_ms when VideoFrame contains NTP.
23  virtual void RenderFrame(const VideoFrame& video_frame,
24                           int time_to_render_ms) = 0;
25
26  virtual bool IsTextureSupported() const = 0;
27
28  // This function returns true if WebRTC should not delay frames for
29  // smoothness. In general, this case means the renderer can schedule frames to
30  // optimize smoothness.
31  virtual bool SmoothsRenderedFrames() const { return false; }
32
33 protected:
34  virtual ~VideoRenderer() {}
35};
36}  // namespace webrtc
37
38#endif  // WEBRTC_VIDEO_RENDERER_H_
39