This is the frozen interface definition for the media pipeline, filters, and ...

media/media_lib.scons

 # Copyright (c) 2006-2008 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.
 
 __doc__ = """
 Configuration for building media.lib / libmedia.a.
 """
 
 Import('env')
 
@@ skipping 10 matching lines @@
         '$CHROME_SRC_DIR',
     ],
 )
 
 # These net files work on *all* platforms; files that don't work
 # cross-platform live below.
 input_files = [
     'base/data_buffer.cc',
     'base/filter_host_impl.cc',
     'base/media_format.cc',
+    'base/pipeline_impl.cc',
 ]
 
 if env.Bit('windows'):
   input_files.extend([
   ])
 
 if env.Bit('mac'):
   input_files.extend([
   ])
 
 if env.Bit('linux'):
   input_files.extend([
   ])
 
 if env.Bit('posix'):
   input_files.extend([
   ])
 
 env.ChromeLibrary('media', input_files)
 
 env.ChromeMSVSProject('$MEDIA_DIR/build/media.vcproj',
                 guid='{6AE76406-B03B-11DD-94B1-80B556D89593}')