Enable audio capture on Android

content/renderer/media/webrtc_audio_device_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/environment.h"
 #include "base/test/test_timeouts.h"
 #include "content/renderer/media/webrtc_audio_capturer.h"
 #include "content/renderer/media/webrtc_audio_device_impl.h"
 #include "content/renderer/media/webrtc_audio_renderer.h"
 #include "content/renderer/render_thread_impl.h"
@@ skipping 304 matching lines @@
 
 // Verify that a call to webrtc::VoEBase::StartRecording() starts audio input
 // with the correct set of parameters. A WebRtcAudioDeviceImpl instance will
 // be utilized to implement the actual audio path. The test registers a
 // webrtc::VoEExternalMedia implementation to hijack the input audio and
 // verify that streaming starts correctly. An external transport implementation
 // is also required to ensure that "sending" can start without actually trying
 // to send encoded packets to the network. Our main interest here is to ensure
 // that the audio capturing starts as it should.
 // Disabled when running headless since the bots don't have the required config.
-TEST_F(WebRTCAudioDeviceTest, StartRecording) {
+
+// TODO(leozwang): Because ExternalMediaProcessing is disabled in webrtc,
+// disable this unit test on Android for now.
+#if defined(OS_ANDROID)
+#define MAYBE_StartRecording DISABLED_StartRecording
+#else
+#define MAYBE_StartRecording StartRecording
+#endif
+TEST_F(WebRTCAudioDeviceTest, MAYBE_StartRecording) {
   if (!has_input_devices_ || !has_output_devices_) {
     LOG(WARNING) << "Missing audio devices.";
     return;
   }
 
   scoped_ptr<media::AudioHardwareConfig> config = CreateRealHardwareConfig();
   SetAudioHardwareConfig(config.get());
 
   if (!HardwareSampleRatesAreValid())
     return;
@@ skipping 123 matching lines @@
 }
 
 // Uses WebRtcAudioDeviceImpl to play out recorded audio in loopback.
 // An external transport implementation is utilized to feed back RTP packets
 // which are recorded, encoded, packetized into RTP packets and finally
 // "transmitted". The RTP packets are then fed back into the VoiceEngine
 // where they are decoded and played out on the default audio output device.
 // Disabled when running headless since the bots don't have the required config.
 // TODO(henrika): improve quality by using a wideband codec, enabling noise-
 // suppressions etc.
-TEST_F(WebRTCAudioDeviceTest, FullDuplexAudioWithAGC) {
+// FullDuplexAudioWithAGC is flanky on Android, disable it for now.

[wjia(left Chromium), 2013/02/12 02:34:24]

nit: flaky

+#if defined(OS_ANDROID)
+#define MAYBE_FullDuplexAudioWithAGC DISABLED_FullDuplexAudioWithAGC
+#else
+#define MAYBE_FullDuplexAudioWithAGC FullDuplexAudioWithAGC
+#endif
+TEST_F(WebRTCAudioDeviceTest, MAYBE_FullDuplexAudioWithAGC) {
   if (!has_output_devices_ || !has_input_devices_) {
     LOG(WARNING) << "Missing audio devices.";
     return;
   }
 
   scoped_ptr<media::AudioHardwareConfig> config = CreateRealHardwareConfig();
   SetAudioHardwareConfig(config.get());
 
   if (!HardwareSampleRatesAreValid())
     return;
@@ skipping 18 matching lines @@
 
   ScopedWebRTCPtr<webrtc::VoEBase> base(engine.get());
   ASSERT_TRUE(base.valid());
   int err = base->Init(webrtc_audio_device);
   ASSERT_EQ(0, err);
 
   EXPECT_TRUE(InitializeCapturer(webrtc_audio_device.get()));
 
   ScopedWebRTCPtr<webrtc::VoEAudioProcessing> audio_processing(engine.get());
   ASSERT_TRUE(audio_processing.valid());
+#if defined(OS_ANDROID)
+  // On Android, by default AGC is off.
+  bool enabled = true;
+  webrtc::AgcModes agc_mode = webrtc::kAgcDefault;
+  EXPECT_EQ(0, audio_processing->GetAgcStatus(enabled, agc_mode));
+  EXPECT_FALSE(enabled);
+#else
   bool enabled = false;
-  webrtc::AgcModes agc_mode =  webrtc::kAgcDefault;
+  webrtc::AgcModes agc_mode = webrtc::kAgcDefault;
   EXPECT_EQ(0, audio_processing->GetAgcStatus(enabled, agc_mode));
   EXPECT_TRUE(enabled);
   EXPECT_EQ(agc_mode, webrtc::kAgcAdaptiveAnalog);
+#endif
 
   int ch = base->CreateChannel();
   EXPECT_NE(-1, ch);
 
   ScopedWebRTCPtr<webrtc::VoENetwork> network(engine.get());
   ASSERT_TRUE(network.valid());
   scoped_ptr<WebRTCTransportImpl> transport(
       new WebRTCTransportImpl(network.get()));
   EXPECT_EQ(0, network->RegisterExternalTransport(ch, *transport.get()));
   EXPECT_EQ(0, base->StartPlayout(ch));
   EXPECT_EQ(0, base->StartSend(ch));
   renderer->Play();
 
   LOG(INFO) << ">> You should now be able to hear yourself in loopback...";
   message_loop_.PostDelayedTask(FROM_HERE,
                                 MessageLoop::QuitClosure(),
                                 base::TimeDelta::FromSeconds(2));
   message_loop_.Run();
 
   renderer->Stop();
   EXPECT_EQ(0, base->StopSend(ch));
   EXPECT_EQ(0, base->StopPlayout(ch));
 
   EXPECT_EQ(0, base->DeleteChannel(ch));
   EXPECT_EQ(0, base->Terminate());
 }
 
 }  // namespace content