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
31 namespace webrtc {
32
VideoTrackRenderers()33 VideoTrackRenderers::VideoTrackRenderers() : enabled_(true) {
34 }
35
~VideoTrackRenderers()36 VideoTrackRenderers::~VideoTrackRenderers() {
37 }
38
AddRenderer(VideoRendererInterface * renderer)39 void VideoTrackRenderers::AddRenderer(VideoRendererInterface* renderer) {
40 if (!renderer) {
41 return;
42 }
43 rtc::CritScope cs(&critical_section_);
44 renderers_.insert(renderer);
45 }
46
RemoveRenderer(VideoRendererInterface * renderer)47 void VideoTrackRenderers::RemoveRenderer(VideoRendererInterface* renderer) {
48 rtc::CritScope cs(&critical_section_);
49 renderers_.erase(renderer);
50 }
51
SetEnabled(bool enable)52 void VideoTrackRenderers::SetEnabled(bool enable) {
53 rtc::CritScope cs(&critical_section_);
54 enabled_ = enable;
55 }
56
RenderFrame(const cricket::VideoFrame * frame)57 bool 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