Let default device in PulseAudio be the system default device

media/audio/pulse/pulse_input.h

Index: media/audio/pulse/pulse_input.h
diff --git a/media/audio/pulse/pulse_input.h b/media/audio/pulse/pulse_input.h
index e0b2be9e2ef31134f7680b59e82956708844ca7f..901d71f02d18d9345c195433c6133d3a764f2825 100644
--- a/media/audio/pulse/pulse_input.h
+++ b/media/audio/pulse/pulse_input.h
@@ -15,6 +15,7 @@
 #include "media/audio/audio_device_name.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
+#include "media/audio/pulse/pulse_util.h"

[Henrik Grunell, 2016/03/07 11:37:17]

Is this needed?

[rchtara, 2016/03/08 17:28:16]

Done.

 #include "media/base/audio_block_fifo.h"
 
 namespace media {
@@ -52,6 +53,16 @@ class PulseAudioInputStream : public AgcAudioStream<AudioInputStream> {
                            int error,
                            void* user_data);
 
+  // pa_context_get_server_info callback. It's used by
+  // UseSystemDefaultInputDevice to set |device_name_| to the
+  // default system input device.
+  static void UseSystemDefaultInputDeviceCallback(pa_context* context,
+                                                  const pa_server_info* info,
+                                                  void* user_data);
+
+  // Use default system input device for the input stream.
+  void UseSystemDefaultInputDevice();
+
   // Helper for the ReadCallback.
   void ReadData();