1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "VideoStreamTrack.h"
#include "MediaTrackGraph.h"
#include "MediaTrackListener.h"
#include "nsContentUtils.h"
#include "nsGlobalWindowInner.h"
#include "VideoOutput.h"
namespace mozilla::dom {
VideoStreamTrack::VideoStreamTrack(nsPIDOMWindowInner* aWindow,
mozilla::MediaTrack* aInputTrack,
MediaStreamTrackSource* aSource,
MediaStreamTrackState aReadyState,
bool aMuted,
const MediaTrackConstraints& aConstraints)
: MediaStreamTrack(aWindow, aInputTrack, aSource, aReadyState, aMuted,
aConstraints) {}
void VideoStreamTrack::Destroy() {
mVideoOutputs.Clear();
MediaStreamTrack::Destroy();
}
void VideoStreamTrack::AddVideoOutput(VideoFrameContainer* aSink) {
if (Ended()) {
return;
}
auto output = MakeRefPtr<VideoOutput>(
aSink, nsGlobalWindowInner::Cast(GetParentObject())
->AbstractMainThreadFor(TaskCategory::Other));
AddVideoOutput(output);
}
void VideoStreamTrack::AddVideoOutput(VideoOutput* aOutput) {
if (Ended()) {
return;
}
for (const auto& output : mVideoOutputs) {
if (output == aOutput) {
MOZ_ASSERT_UNREACHABLE("A VideoOutput was already added");
return;
}
}
mVideoOutputs.AppendElement(aOutput);
AddDirectListener(aOutput);
AddListener(aOutput);
}
void VideoStreamTrack::RemoveVideoOutput(VideoFrameContainer* aSink) {
for (const auto& output : mVideoOutputs.Clone()) {
if (output->mVideoFrameContainer == aSink) {
mVideoOutputs.RemoveElement(output);
RemoveDirectListener(output);
RemoveListener(output);
}
}
}
void VideoStreamTrack::RemoveVideoOutput(VideoOutput* aOutput) {
for (const auto& output : mVideoOutputs.Clone()) {
if (output == aOutput) {
mVideoOutputs.RemoveElement(aOutput);
RemoveDirectListener(aOutput);
RemoveListener(aOutput);
}
}
}
void VideoStreamTrack::GetLabel(nsAString& aLabel, CallerType aCallerType) {
nsIGlobalObject* global =
GetParentObject() ? GetParentObject()->AsGlobal() : nullptr;
if (nsContentUtils::ShouldResistFingerprinting(aCallerType, global,
RFPTarget::StreamTrackLabel)) {
aLabel.AssignLiteral("Internal Camera");
return;
}
MediaStreamTrack::GetLabel(aLabel, aCallerType);
}
already_AddRefed<MediaStreamTrack> VideoStreamTrack::CloneInternal() {
return do_AddRef(new VideoStreamTrack(mWindow, mInputTrack, mSource,
ReadyState(), Muted(), mConstraints));
}
} // namespace mozilla::dom
|
