MediaStream audio sourcing: Bypass audio processing for non-WebRTC cases.

content/renderer/media/webrtc/webrtc_media_stream_adapter_unittest.cc

 // 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 <stddef.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "content/child/child_process.h"
 #include "content/renderer/media/media_stream.h"
-#include "content/renderer/media/media_stream_audio_source.h"
 #include "content/renderer/media/media_stream_video_source.h"
 #include "content/renderer/media/media_stream_video_track.h"
 #include "content/renderer/media/mock_media_constraint_factory.h"
 #include "content/renderer/media/mock_media_stream_video_source.h"
 #include "content/renderer/media/webrtc/mock_peer_connection_dependency_factory.h"
+#include "content/renderer/media/webrtc/processed_local_audio_source.h"
 #include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h"
 #include "content/renderer/media/webrtc/webrtc_media_stream_adapter.h"
-#include "content/renderer/media/webrtc_local_audio_track.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebHeap.h"
 
 namespace content {
 
 class WebRtcMediaStreamAdapterTest : public ::testing::Test {
  public:
   void SetUp() override {
     child_process_.reset(new ChildProcess());
     dependency_factory_.reset(new MockPeerConnectionDependencyFactory());
   }
 
   void TearDown() override {
     adapter_.reset();
     blink::WebHeap::collectAllGarbageForTesting();
   }
 
   blink::WebMediaStream CreateBlinkMediaStream(bool audio, bool video) {
     blink::WebVector<blink::WebMediaStreamTrack> audio_track_vector(
         audio ? static_cast<size_t>(1) : 0);
     if (audio) {
-      blink::WebMediaStreamSource audio_source;
-      audio_source.initialize("audio",
-                              blink::WebMediaStreamSource::TypeAudio,
-                              "audio",
-                              false /* remote */, true /* readonly */);
-      audio_source.setExtraData(new MediaStreamAudioSource());
-
-      audio_track_vector[0].initialize(audio_source);
-      StreamDeviceInfo device_info(MEDIA_DEVICE_AUDIO_CAPTURE, "Mock device",
-                                   "mock_device_id");
-      MockMediaConstraintFactory constraint_factory;
-      const blink::WebMediaConstraints constraints =
-          constraint_factory.CreateWebMediaConstraints();
-      scoped_refptr<WebRtcAudioCapturer> capturer(
-          WebRtcAudioCapturer::CreateCapturer(-1, device_info, constraints,
-                                              nullptr, nullptr));
-      scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
-          WebRtcLocalAudioTrackAdapter::Create(
-              audio_track_vector[0].id().utf8(), nullptr));
-      scoped_ptr<WebRtcLocalAudioTrack> native_track(
-          new WebRtcLocalAudioTrack(adapter.get(), capturer, nullptr));
-      audio_track_vector[0].setExtraData(native_track.release());
+      blink::WebMediaStreamSource blink_audio_source;
+      blink_audio_source.initialize("audio",
+                                    blink::WebMediaStreamSource::TypeAudio,
+                                    "audio",
+                                    false /* remote */, true /* readonly */);
+      ProcessedLocalAudioSource* const audio_source =
+          new ProcessedLocalAudioSource(
+              -1,
+              StreamDeviceInfo(MEDIA_DEVICE_AUDIO_CAPTURE, "Mock device",
+                               "mock_device_id"),
+              dependency_factory_.get());
+      audio_source->SetAllowInvalidRenderFrameIdForTesting(true);
+      audio_source->SetSourceConstraints(
+          MockMediaConstraintFactory().CreateWebMediaConstraints());
+      blink_audio_source.setExtraData(audio_source);  // Takes ownership.
+      audio_track_vector[0].initialize(blink_audio_source);
+      CHECK(audio_source->ConnectToTrack(audio_track_vector[0]));
     }
 
     blink::WebVector<blink::WebMediaStreamTrack> video_track_vector(
         video ? static_cast<size_t>(1) : 0);
     MediaStreamSource::SourceStoppedCallback dummy_callback;
     if (video) {
       blink::WebMediaStreamSource video_source;
       video_source.initialize("video",
                               blink::WebMediaStreamSource::TypeVideo,
                               "video",
@@ skipping 89 matching lines @@
   EXPECT_TRUE(webrtc_stream()->GetVideoTracks().empty());
 
   native_stream->AddTrack(audio_tracks[0]);
   EXPECT_EQ(1u, webrtc_stream()->GetAudioTracks().size());
 
   native_stream->AddTrack(video_tracks[0]);
   EXPECT_EQ(1u, webrtc_stream()->GetVideoTracks().size());
 }
 
 }  // namespace content