Pass more detailed audio hardware configuration information to the renderer

media/ffmpeg/ffmpeg_common.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 "media/ffmpeg/ffmpeg_common.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/video_frame.h"
@@ skipping 253 matching lines @@
     case kSampleFormatPlanarF32:
       return AV_SAMPLE_FMT_FLTP;
     default:
       DVLOG(1) << "Unknown SampleFormat: " << sample_format;
   }
   return AV_SAMPLE_FMT_NONE;
 }
 
 // Converts a channel count into a channel layout.  Layouts chosen based on the
 // Vorbis / Opus channel layout.
-static ChannelLayout GuessChannelLayout(int channels) {
+ChannelLayout GuessChannelLayout(int channels) {
   switch (channels) {
     case 1:
       return CHANNEL_LAYOUT_MONO;
     case 2:
       return CHANNEL_LAYOUT_STEREO;
     case 3:
       return CHANNEL_LAYOUT_SURROUND;
     case 4:
       return CHANNEL_LAYOUT_QUAD;
     case 5:
@@ skipping 226 matching lines @@
       return PIX_FMT_YUV422P;
     case VideoFrame::YV12:
       return PIX_FMT_YUV420P;
     default:
       DVLOG(1) << "Unsupported VideoFrame::Format: " << video_format;
   }
   return PIX_FMT_NONE;
 }
 
 }  // namespace media