blob: ef916eb423909a27244336e21b109bbbb919441b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
// Copyright 2014 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 "components/copresence/test/audio_test_support.h"
#include <cstdlib>
#include "media/base/audio_bus.h"
namespace copresence {
void PopulateSamples(int random_seed, size_t size, float* samples) {
srand(random_seed);
#if defined(OS_WIN)
for (size_t i = 0; i < size; ++i)
samples[i] = (2.0 * rand() / RAND_MAX) - 1;
#else
unsigned int rand_state;
for (size_t i = 0; i < size; ++i)
samples[i] = (2.0 * rand_r(&rand_state) / RAND_MAX) - 1;
#endif
}
scoped_refptr<media::AudioBusRefCounted>
CreateRandomAudioRefCounted(int random_seed, int channels, int samples) {
scoped_refptr<media::AudioBusRefCounted> bus =
media::AudioBusRefCounted::Create(channels, samples);
for (int ch = 0; ch < channels; ++ch)
PopulateSamples(random_seed, samples, bus->channel(ch));
return bus;
}
} // namespace copresence
|
