1/*
2 * libjingle
3 * Copyright 2012 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "talk/app/webrtc/videotrackrenderers.h"
29#include "talk/media/base/videoframe.h"
30
31namespace webrtc {
32
33VideoTrackRenderers::VideoTrackRenderers() : enabled_(true) {
34}
35
36VideoTrackRenderers::~VideoTrackRenderers() {
37}
38
39void VideoTrackRenderers::AddRenderer(VideoRendererInterface* renderer) {
40  if (!renderer) {
41    return;
42  }
43  rtc::CritScope cs(&critical_section_);
44  renderers_.insert(renderer);
45}
46
47void VideoTrackRenderers::RemoveRenderer(VideoRendererInterface* renderer) {
48  rtc::CritScope cs(&critical_section_);
49  renderers_.erase(renderer);
50}
51
52void VideoTrackRenderers::SetEnabled(bool enable) {
53  rtc::CritScope cs(&critical_section_);
54  enabled_ = enable;
55}
56
57bool VideoTrackRenderers::RenderFrame(const cricket::VideoFrame* frame) {
58  rtc::CritScope cs(&critical_section_);
59  if (!enabled_) {
60    return true;
61  }
62  for (VideoRendererInterface* renderer : renderers_) {
63    renderer->RenderFrame(frame);
64  }
65  return true;
66}
67
68}  // namespace webrtc
69