Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/dom/media/AudioStreamTrack.cpp b/dom/media/AudioStreamTrack.cpp
new file mode 100644
index 0000000000..71525a0176
--- /dev/null
+++ b/dom/media/AudioStreamTrack.cpp
@@ -0,0 +1,105 @@
+/* -*- 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 "AudioStreamTrack.h"
+
+#include "MediaTrackGraph.h"
+#include "nsContentUtils.h"
+
+namespace mozilla::dom {
+
+void AudioStreamTrack::AddAudioOutput(void* aKey) {
+  if (Ended()) {
+    return;
+  }
+  if (UniquePtr<CrossGraphPort>* cgm = mCrossGraphs.Get(aKey)) {
+    (*cgm)->AddAudioOutput(aKey);
+    return;
+  }
+  mTrack->AddAudioOutput(aKey);
+}
+
+void AudioStreamTrack::RemoveAudioOutput(void* aKey) {
+  if (Ended()) {
+    return;
+  }
+  if (UniquePtr<CrossGraphPort>* cgm = mCrossGraphs.Get(aKey)) {
+    (*cgm)->RemoveAudioOutput(aKey);
+    return;
+  }
+  mTrack->RemoveAudioOutput(aKey);
+}
+
+void AudioStreamTrack::SetAudioOutputVolume(void* aKey, float aVolume) {
+  if (Ended()) {
+    return;
+  }
+  if (UniquePtr<CrossGraphPort>* cgm = mCrossGraphs.Get(aKey)) {
+    (*cgm)->SetAudioOutputVolume(aKey, aVolume);
+    return;
+  }
+  mTrack->SetAudioOutputVolume(aKey, aVolume);
+}
+
+void AudioStreamTrack::GetLabel(nsAString& aLabel, CallerType aCallerType) {
+  if (nsContentUtils::ResistFingerprinting(aCallerType)) {
+    aLabel.AssignLiteral("Internal Microphone");
+    return;
+  }
+  MediaStreamTrack::GetLabel(aLabel, aCallerType);
+}
+
+already_AddRefed<MediaStreamTrack> AudioStreamTrack::CloneInternal() {
+  return do_AddRef(new AudioStreamTrack(mWindow, mInputTrack, mSource,
+                                        ReadyState(), Muted(), mConstraints));
+}
+
+void AudioStreamTrack::SetReadyState(MediaStreamTrackState aState) {
+  if (!mCrossGraphs.IsEmpty() && !Ended() &&
+      mReadyState == MediaStreamTrackState::Live &&
+      aState == MediaStreamTrackState::Ended) {
+    for (auto iter = mCrossGraphs.Iter(); !iter.Done(); iter.Next()) {
+      (*iter.Data())->Destroy();
+      (*iter.Data()).reset();
+    }
+    mCrossGraphs.Clear();
+  }
+  MediaStreamTrack::SetReadyState(aState);
+}
+
+RefPtr<GenericPromise> AudioStreamTrack::SetAudioOutputDevice(
+    void* key, AudioDeviceInfo* aSink) {
+  MOZ_ASSERT(aSink);
+
+  if (Ended()) {
+    return GenericPromise::CreateAndResolve(true, __func__);
+  }
+
+  UniquePtr<CrossGraphPort> manager =
+      CrossGraphPort::Connect(this, aSink, mWindow);
+  if (!manager) {
+    // We are setting the default output device.
+    auto entry = mCrossGraphs.Lookup(key);
+    if (entry) {
+      // There is an existing non-default output device for this track. Remove
+      // it.
+      (*entry.Data())->Destroy();
+      entry.Remove();
+    }
+    return GenericPromise::CreateAndResolve(true, __func__);
+  }
+
+  // We are setting a non-default output device.
+  UniquePtr<CrossGraphPort>& crossGraphPtr = *mCrossGraphs.LookupOrAdd(key);
+  if (crossGraphPtr) {
+    // This key already has a non-default output device set. Destroy it.
+    crossGraphPtr->Destroy();
+  }
+
+  crossGraphPtr = std::move(manager);
+  return crossGraphPtr->EnsureConnected();
+}
+
+}  // namespace mozilla::dom