Pass more detailed audio hardware configuration information to the renderer

media/audio/audio_parameters.cc

Index: media/audio/audio_parameters.cc
===================================================================
--- media/audio/audio_parameters.cc	(revision 186233)
+++ media/audio/audio_parameters.cc	(working copy)
@@ -61,7 +61,7 @@
          (format_ < AUDIO_LAST_FORMAT) &&
          (channels_ > 0) &&
          (channels_ <= media::limits::kMaxChannels) &&
-         (channel_layout_ > CHANNEL_LAYOUT_UNSUPPORTED) &&
+         (channel_layout_ >= CHANNEL_LAYOUT_UNSUPPORTED) &&
          (channel_layout_ < CHANNEL_LAYOUT_MAX) &&
          (input_channels_ >= 0) &&
          (input_channels_ <= media::limits::kMaxChannels) &&
@@ -85,4 +85,9 @@
   return channels_ * bits_per_sample_ / 8;
 }
 
+void AudioParameters::SetDiscreteChannels(int channels) {
+  channel_layout_ = CHANNEL_LAYOUT_UNSUPPORTED;
+  channels_ = channels;
+}
+
 }  // namespace media