media_stream_track.cc revision 0529e5d033099cbfc42635f6f6183833b09dff6e 
1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/media/media_stream_track.h"
6
7#include "base/logging.h"
8#include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
9#include "third_party/libjingle/source/talk/app/webrtc/mediastreaminterface.h"
10
11namespace content {
12
13MediaStreamTrack* MediaStreamTrack::GetTrack(
14    const blink::WebMediaStreamTrack& track) {
15  if (track.isNull())
16    return NULL;
17  return static_cast<MediaStreamTrack*>(track.extraData());
18}
19
20MediaStreamTrack::MediaStreamTrack(
21    webrtc::MediaStreamTrackInterface* track, bool is_local_track)
22    : track_(track),
23      is_local_track_(is_local_track) {
24}
25
26MediaStreamTrack::~MediaStreamTrack() {
27}
28
29void MediaStreamTrack::SetEnabled(bool enabled) {
30  if (track_)
31    track_->set_enabled(enabled);
32}
33
34void MediaStreamTrack::Stop() {
35  // Stop means that a track should be stopped permanently. But
36  // since there is no proper way of doing that on a remote track, we can
37  // at least disable the track. Blink will not call down to the content layer
38  // after a track has been stopped.
39  if (track_)
40    track_->set_enabled(false);
41}
42
43webrtc::AudioTrackInterface* MediaStreamTrack::GetAudioAdapter() {
44  return static_cast<webrtc::AudioTrackInterface*>(track_.get());
45}
46
47}  // namespace content
48