Renderer side audio device change wip...

content/renderer/media/audio_message_filter.cc

Index: content/renderer/media/audio_message_filter.cc
diff --git a/content/renderer/media/audio_message_filter.cc b/content/renderer/media/audio_message_filter.cc
index 22915c521c53264ededd36610bf119e14089c95c..a9537c20bd94f761b8ad85c64b4a4a571d21a5eb 100644
--- a/content/renderer/media/audio_message_filter.cc
+++ b/content/renderer/media/audio_message_filter.cc
@@ -9,6 +9,8 @@
 #include "base/time.h"
 #include "content/common/child_process.h"
 #include "content/common/media/audio_messages.h"
+// #include "content/renderer/media/audio_hardware.h"
+#include "content/renderer/media/renderer_audio_hardware_config.h"
 #include "content/renderer/render_thread_impl.h"
 #include "ipc/ipc_logging.h"
 
@@ -96,6 +98,7 @@ bool AudioMessageFilter::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(AudioMessageFilter, message)
     IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamCreated, OnStreamCreated)
     IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamStateChanged, OnStreamStateChanged)
+    IPC_MESSAGE_HANDLER(AudioMsg_NotifyDeviceChanged, OnOutputDeviceChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -177,4 +180,19 @@ void AudioMessageFilter::OnStreamStateChanged(
     it->second->OnStateChanged(state);
 }
 
+void AudioMessageFilter::OnOutputDeviceChanged(int stream_id,
+                                               int new_sample_rate,
+                                               int new_buffer_size) {
+  DelegateMap::const_iterator it = delegates_.find(stream_id);
+  if (it == delegates_.end()) {
+    DLOG(WARNING) << "No delegate found for device change.";
+    return;
+  }
+
+  LOG(ERROR) << "DOING DEVICE CHANGE";
+  // TODO(dalecurtis): AudioMessageFilter shouldn't be doing this...
+  // UpdateAudioOutputCache(new_sample_rate, new_buffer_size);
+  it->second->OnStateChanged(media::AudioOutputIPCDelegate::kDeviceChange);
+}
+
 }  // namespace content