components/copresence/test/audio_test_support.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef COMPONENTS_COPRESENCE_TEST_AUDIO_TEST_SUPPORT_
   6 #define COMPONENTS_COPRESENCE_TEST_AUDIO_TEST_SUPPORT_
   7
   8 #include <cstddef>
   9
  10 #include "base/memory/ref_counted.h"
  11 #include "base/memory/scoped_ptr.h"
  12
  13 namespace media {
  14 class AudioBus;
  15 class AudioBusRefCounted;
  16 }
  17
  18 namespace copresence {
  19
  20 // Populate random samples given a random seed into the samples array.
  21 void PopulateSamples(int random_seed, size_t size, float* samples);
  22
  23 // Create an audio bus populated with random samples.
  24 scoped_ptr<media::AudioBus> CreateRandomAudio(int random_seed,
  25                                               int channels,
  26                                               int samples);
  27
  28 // Create an ref counted audio bus populated with random samples.
  29 scoped_refptr<media::AudioBusRefCounted>
  30     CreateRandomAudioRefCounted(int random_seed, int channels, int samples);
  31
  32 }  // namespace copresence
  33
  34 #endif  // COMPONENTS_COPRESENCE_TEST_AUDIO_TEST_SUPPORT_