1 files changed, 56 insertions, 0 deletions
diff --git a/chromium/content/renderer/media/media_stream_audio_source.cc b/chromium/content/renderer/media/media_stream_audio_source.cc
new file mode 100644
index 00000000000..069f4e3825d
--- /dev/null
+++ b/chromium/content/renderer/media/media_stream_audio_source.cc
@@ -0,0 +1,56 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/renderer/media/media_stream_audio_source.h"
+
+namespace content {
+
+MediaStreamAudioSource::MediaStreamAudioSource(
+    int render_view_id,
+    const StreamDeviceInfo& device_info,
+    const SourceStoppedCallback& stop_callback,
+    PeerConnectionDependencyFactory* factory)
+    : render_view_id_(render_view_id),
+      factory_(factory) {
+  SetDeviceInfo(device_info);
+  SetStopCallback(stop_callback);
+}
+
+MediaStreamAudioSource::MediaStreamAudioSource()
+    : render_view_id_(-1),
+      factory_(NULL) {
+}
+
+MediaStreamAudioSource::~MediaStreamAudioSource() {}
+
+void MediaStreamAudioSource::DoStopSource() {
+  if (audio_capturer_.get())
+    audio_capturer_->Stop();
+}
+
+void MediaStreamAudioSource::AddTrack(
+    const blink::WebMediaStreamTrack& track,
+    const blink::WebMediaConstraints& constraints,
+    const ConstraintsCallback& callback) {
+  // TODO(xians): Properly implement for audio sources.
+  if (!local_audio_source_) {
+    if (!factory_->InitializeMediaStreamAudioSource(render_view_id_,
+                                                    constraints,
+                                                    this)) {
+      // The source failed to start.
+      // MediaStreamImpl rely on the |stop_callback| to be triggered when the
+      // last track is removed from the source. But in this case, the source is
+      // is not even started. So we need to fail both adding the track and
+      // trigger |stop_callback|.
+      callback.Run(this, false);
+      StopSource();
+      return;
+    }
+  }
+
+  factory_->CreateLocalAudioTrack(track);
+  callback.Run(this, true);
+}
+
+}  // namespace content