Define AudioBuffer and VideoFrame for mojo

media/base/sample_format.cc

 // Copyright 2013 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/base/sample_format.h"
 
 #include "base/logging.h"
 
 namespace media {
 
@@ skipping 33 matching lines @@
       return "Signed 16-bit planar";
     case kSampleFormatPlanarF32:
       return "Float 32-bit planar";
     case kSampleFormatPlanarS32:
       return "Signed 32-bit planar";
   }
   NOTREACHED() << "Invalid sample format provided: " << sample_format;
   return "";
 }
 
+bool IsPlanar(SampleFormat sample_format) {
+  return sample_format == kSampleFormatPlanarF32 ||
+         sample_format == kSampleFormatPlanarS16 ||
+         sample_format == kSampleFormatPlanarS32;
+}
+
 }  // namespace media