зеркало из https://github.com/mozilla/gecko-dev.git
61 строка
1.8 KiB
C++
61 строка
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include <stdint.h>
|
|
#include "AudioBufferUtils.h"
|
|
#include "gtest/gtest.h"
|
|
#include <vector>
|
|
|
|
const uint32_t FRAMES = 256;
|
|
|
|
void test_for_number_of_channels(const uint32_t channels)
|
|
{
|
|
const uint32_t samples = channels * FRAMES;
|
|
|
|
mozilla::AudioCallbackBufferWrapper<float> mBuffer(channels);
|
|
mozilla::SpillBuffer<float, 128> b(channels);
|
|
std::vector<float> fromCallback(samples, 0.0);
|
|
std::vector<float> other(samples, 1.0);
|
|
|
|
// Set the buffer in the wrapper from the callback
|
|
mBuffer.SetBuffer(fromCallback.data(), FRAMES);
|
|
|
|
// Fill the SpillBuffer with data.
|
|
ASSERT_TRUE(b.Fill(other.data(), 15) == 15);
|
|
ASSERT_TRUE(b.Fill(other.data(), 17) == 17);
|
|
for (uint32_t i = 0; i < 32 * channels; i++) {
|
|
other[i] = 0.0;
|
|
}
|
|
|
|
// Empty it in the AudioCallbackBufferWrapper
|
|
ASSERT_TRUE(b.Empty(mBuffer) == 32);
|
|
|
|
// Check available return something reasonnable
|
|
ASSERT_TRUE(mBuffer.Available() == FRAMES - 32);
|
|
|
|
// Fill the buffer with the rest of the data
|
|
mBuffer.WriteFrames(other.data() + 32 * channels, FRAMES - 32);
|
|
|
|
// Check the buffer is now full
|
|
ASSERT_TRUE(mBuffer.Available() == 0);
|
|
|
|
for (uint32_t i = 0 ; i < samples; i++) {
|
|
ASSERT_TRUE(fromCallback[i] == 1.0) <<
|
|
"Difference at " << i << " (" << fromCallback[i] << " != " << 1.0 <<
|
|
")\n";
|
|
}
|
|
|
|
ASSERT_TRUE(b.Fill(other.data(), FRAMES) == 128);
|
|
ASSERT_TRUE(b.Fill(other.data(), FRAMES) == 0);
|
|
ASSERT_TRUE(b.Empty(mBuffer) == 0);
|
|
}
|
|
|
|
TEST(AudioBuffers, Test)
|
|
{
|
|
for (uint32_t ch = 1; ch <= 8; ++ch) {
|
|
test_for_number_of_channels(ch);
|
|
}
|
|
}
|