1 files changed, 155 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/exported/web_media_stream.cc b/chromium/third_party/blink/renderer/platform/exported/web_media_stream.cc
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+++ b/chromium/third_party/blink/renderer/platform/exported/web_media_stream.cc
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+/*
+ * Copyright (C) 2013 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "third_party/blink/public/platform/web_media_stream.h"
+
+#include <memory>
+#include "third_party/blink/public/platform/web_media_stream_source.h"
+#include "third_party/blink/public/platform/web_media_stream_track.h"
+#include "third_party/blink/public/platform/web_string.h"
+#include "third_party/blink/renderer/platform/mediastream/media_stream_component.h"
+#include "third_party/blink/renderer/platform/mediastream/media_stream_descriptor.h"
+#include "third_party/blink/renderer/platform/mediastream/media_stream_source.h"
+#include "third_party/blink/renderer/platform/uuid.h"
+#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
+#include "third_party/blink/renderer/platform/wtf/vector.h"
+
+namespace blink {
+
+WebMediaStream::WebMediaStream(MediaStreamDescriptor* media_stream_descriptor)
+    : private_(media_stream_descriptor) {}
+
+void WebMediaStream::Reset() {
+  private_.Reset();
+}
+
+WebString WebMediaStream::Id() const {
+  return private_->Id();
+}
+
+int WebMediaStream::UniqueId() const {
+  return private_->UniqueId();
+}
+
+void WebMediaStream::AudioTracks(
+    WebVector<WebMediaStreamTrack>& web_tracks) const {
+  size_t number_of_tracks = private_->NumberOfAudioComponents();
+  WebVector<WebMediaStreamTrack> result(number_of_tracks);
+  for (size_t i = 0; i < number_of_tracks; ++i)
+    result[i] = private_->AudioComponent(i);
+  web_tracks.Swap(result);
+}
+
+void WebMediaStream::VideoTracks(
+    WebVector<WebMediaStreamTrack>& web_tracks) const {
+  size_t number_of_tracks = private_->NumberOfVideoComponents();
+  WebVector<WebMediaStreamTrack> result(number_of_tracks);
+  for (size_t i = 0; i < number_of_tracks; ++i)
+    result[i] = private_->VideoComponent(i);
+  web_tracks.Swap(result);
+}
+
+WebMediaStreamTrack WebMediaStream::GetAudioTrack(
+    const WebString& track_id) const {
+  size_t number_of_tracks = private_->NumberOfAudioComponents();
+  String id = track_id;
+  for (size_t i = 0; i < number_of_tracks; ++i) {
+    MediaStreamComponent* audio_component = private_->AudioComponent(i);
+    DCHECK(audio_component);
+    if (audio_component->Id() == id)
+      return private_->AudioComponent(i);
+  }
+  return nullptr;
+}
+
+WebMediaStreamTrack WebMediaStream::GetVideoTrack(
+    const WebString& track_id) const {
+  size_t number_of_tracks = private_->NumberOfVideoComponents();
+  String id = track_id;
+  for (size_t i = 0; i < number_of_tracks; ++i) {
+    MediaStreamComponent* video_component = private_->VideoComponent(i);
+    DCHECK(video_component);
+    if (video_component->Id() == id)
+      return private_->VideoComponent(i);
+  }
+  return nullptr;
+}
+
+void WebMediaStream::AddTrack(const WebMediaStreamTrack& track) {
+  DCHECK(!IsNull());
+  private_->AddRemoteTrack(track);
+}
+
+void WebMediaStream::RemoveTrack(const WebMediaStreamTrack& track) {
+  DCHECK(!IsNull());
+  private_->RemoveRemoteTrack(track);
+}
+
+void WebMediaStream::AddObserver(WebMediaStreamObserver* observer) {
+  DCHECK(!IsNull());
+  private_->AddObserver(observer);
+}
+
+void WebMediaStream::RemoveObserver(WebMediaStreamObserver* observer) {
+  DCHECK(!IsNull());
+  private_->RemoveObserver(observer);
+}
+
+WebMediaStream& WebMediaStream::operator=(
+    MediaStreamDescriptor* media_stream_descriptor) {
+  private_ = media_stream_descriptor;
+  return *this;
+}
+
+WebMediaStream::operator MediaStreamDescriptor*() const {
+  return private_.Get();
+}
+
+void WebMediaStream::Initialize(
+    const WebVector<WebMediaStreamTrack>& audio_tracks,
+    const WebVector<WebMediaStreamTrack>& video_tracks) {
+  Initialize(CreateCanonicalUUIDString(), audio_tracks, video_tracks);
+}
+
+void WebMediaStream::Initialize(
+    const WebString& label,
+    const WebVector<WebMediaStreamTrack>& audio_tracks,
+    const WebVector<WebMediaStreamTrack>& video_tracks) {
+  MediaStreamComponentVector audio, video;
+  for (size_t i = 0; i < audio_tracks.size(); ++i) {
+    MediaStreamComponent* component = audio_tracks[i];
+    audio.push_back(component);
+  }
+  for (size_t i = 0; i < video_tracks.size(); ++i) {
+    MediaStreamComponent* component = video_tracks[i];
+    video.push_back(component);
+  }
+  private_ = MediaStreamDescriptor::Create(label, audio, video);
+}
+
+void WebMediaStream::Assign(const WebMediaStream& other) {
+  private_ = other.private_;
+}
+
+}  // namespace blink