Add a virtual beamforming audio device on ChromeOS.

content/renderer/media/audio_renderer_mixer_manager_unittest.cc

 // Copyright (c) 2012 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 "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/renderer/media/audio_renderer_mixer_manager.h"
 #include "ipc/ipc_message.h"
 #include "media/audio/audio_parameters.h"
@@ skipping 116 matching lines @@
                                  kSampleRate,
                                  kBitsPerChannel,
                                  kBufferSize);
   media::AudioRendererMixer* mixer1 = GetMixer(kRenderFrameId, params1);
   ASSERT_TRUE(mixer1);
   EXPECT_EQ(mixer_count(), 1);
 
   // Different formats, bit depths, and buffer sizes should not result in a
   // different mixer.
   media::AudioParameters params2(AudioParameters::AUDIO_PCM_LOW_LATENCY,
-                                 kChannelLayout,
-                                 kSampleRate,
-                                 kBitsPerChannel * 2,
-                                 kBufferSize * 2,
-                                 AudioParameters::NO_EFFECTS);
+                                 kChannelLayout, kSampleRate,
+                                 kBitsPerChannel * 2, kBufferSize * 2);
   EXPECT_EQ(mixer1, GetMixer(kRenderFrameId, params2));
   EXPECT_EQ(mixer_count(), 1);
   RemoveMixer(kRenderFrameId, params2);
   EXPECT_EQ(mixer_count(), 1);
 
   // Modify some parameters that do matter.
   media::AudioParameters params3(AudioParameters::AUDIO_PCM_LOW_LATENCY,
-                                 media::CHANNEL_LAYOUT_MONO,
-                                 kSampleRate * 2,
-                                 kBitsPerChannel,
-                                 kBufferSize,
-                                 AudioParameters::NO_EFFECTS);
+                                 media::CHANNEL_LAYOUT_MONO, kSampleRate * 2,
+                                 kBitsPerChannel, kBufferSize);
   ASSERT_NE(params3.channel_layout(), params1.channel_layout());
 
   EXPECT_NE(mixer1, GetMixer(kRenderFrameId, params3));
   EXPECT_EQ(mixer_count(), 2);
   RemoveMixer(kRenderFrameId, params3);
   EXPECT_EQ(mixer_count(), 1);
 
   // Remove final mixer.
   RemoveMixer(kRenderFrameId, params1);
   EXPECT_EQ(mixer_count(), 0);
@@ skipping 36 matching lines @@
   // Destroying the inputs should destroy the mixers.
   input->Stop();
   input = NULL;
   EXPECT_EQ(mixer_count(), 1);
   another_input->Stop();
   another_input = NULL;
   EXPECT_EQ(mixer_count(), 0);
 }
 
 }  // namespace content