Simplified AudioOutputStream interface.

media/filters/audio_renderer_impl.cc

Index: media/filters/audio_renderer_impl.cc
diff --git a/media/filters/audio_renderer_impl.cc b/media/filters/audio_renderer_impl.cc
index 5634ab2436becaaa92c1e44da1837c90e08195d8..3c7ce916f1cc72f35476249cafea0a373dc15e0d 100644
--- a/media/filters/audio_renderer_impl.cc
+++ b/media/filters/audio_renderer_impl.cc
@@ -79,6 +79,9 @@ bool AudioRendererImpl::OnInitialize(const MediaFormat& media_format) {
     return false;
   }
 
+  // Set packet size.
+  params.samples_per_packet = kSamplesPerBuffer;
+
   bytes_per_second_ = params.sample_rate * params.channels *
       params.bits_per_sample / 8;
 
@@ -87,10 +90,7 @@ bool AudioRendererImpl::OnInitialize(const MediaFormat& media_format) {
   if (!stream_)
     return false;
 
-  // Calculate buffer size and open the stream.
-  size_t size = kSamplesPerBuffer * params.channels *
-      params.bits_per_sample / 8;
-  if (!stream_->Open(size)) {
+  if (!stream_->Open()) {
     stream_->Close();
     stream_ = NULL;
   }