Define AudioBuffer and VideoFrame for mojo

media/base/sample_format.h

 // 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.
 
 #ifndef MEDIA_BASE_SAMPLE_FORMAT_H
 #define MEDIA_BASE_SAMPLE_FORMAT_H
 
 #include "media/base/media_export.h"
 
 namespace media {
@@ skipping 16 matching lines @@
   kSampleFormatMax = kSampleFormatPlanarS32,
 };
 
 // Returns the number of bytes used per channel for the specified
 // |sample_format|.
 MEDIA_EXPORT int SampleFormatToBytesPerChannel(SampleFormat sample_format);
 
 // Returns the name of the sample format as a string
 MEDIA_EXPORT const char* SampleFormatToString(SampleFormat sample_format);
 
+// Returns true if |sample_format| is planar, false otherwise.
+MEDIA_EXPORT bool IsPlanar(SampleFormat sample_format);
+
+// Returns true if |sample_format| is interleaved, false otherwise.
+MEDIA_EXPORT bool IsInterleaved(SampleFormat sample_format);
+
 }  // namespace media
 
 #endif  // MEDIA_BASE_SAMPLE_FORMAT_H