Add new class AudioBufferQueue.

media/base/test_helpers.h

 // 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.
 
 #ifndef MEDIA_BASE_TEST_HELPERS_H_
 #define MEDIA_BASE_TEST_HELPERS_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "media/base/pipeline_status.h"
+#include "media/base/sample_format.h"
 #include "media/base/video_decoder_config.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "ui/gfx/size.h"
 
 namespace base {
 class MessageLoop;
+class TimeDelta;
 }
 
 namespace media {
 
+class AudioBuffer;
+
 // Return a callback that expects to be run once.
 base::Closure NewExpectedClosure();
 PipelineStatusCB NewExpectedStatusCB(PipelineStatus status);
 
 // Helper class for running a message loop until a callback has run. Useful for
 // testing classes that run on more than a single thread.
 //
 // Events are intended for single use and cannot be reset.
 class WaitableMessageLoopEvent {
  public:
@@ skipping 41 matching lines @@
   static VideoDecoderConfig LargeEncrypted();
 
   // Returns coded size for Normal and Large config.
   static gfx::Size NormalCodedSize();
   static gfx::Size LargeCodedSize();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(TestVideoConfig);
 };
 
+template <class T>
+scoped_refptr<AudioBuffer> MakeInterleavedAudioBuffer(

[scherkus (not reviewing), 2013/06/20 23:36:24]

given these are public methods let's get some docs here + below

[jrummell, 2013/06/21 01:17:22]

Done.

+    SampleFormat format,
+    int channels,
+    T start,
+    T increment,
+    int frames,
+    const base::TimeDelta start_time);

[scherkus (not reviewing), 2013/06/20 23:36:24]

is this supposed to be const-ref?

otherwise you could drop the const

[jrummell, 2013/06/21 01:17:22]

Done.

+
+template <class T>
+scoped_refptr<AudioBuffer> MakePlanarAudioBuffer(
+    SampleFormat format,
+    int channels,
+    T start,
+    T increment,
+    int frames,
+    const base::TimeDelta start_time);

[scherkus (not reviewing), 2013/06/20 23:36:24]

ditto

[jrummell, 2013/06/21 01:17:22]

Done.

+
 }  // namespace media
 
 #endif  // MEDIA_BASE_TEST_HELPERS_H_