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/* -*- 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"
const uint32_t FRAMES = 256;
const uint32_t CHANNELS = 2;
const uint32_t SAMPLES = CHANNELS * FRAMES;
TEST(AudioBuffers, Test)
{
mozilla::AudioCallbackBufferWrapper<float, CHANNELS> mBuffer;
mozilla::SpillBuffer<float, 128, CHANNELS> b;
float fromCallback[SAMPLES];
float other[SAMPLES];
for (uint32_t i = 0; i < SAMPLES; i++) {
other[i] = 1.0;
fromCallback[i] = 0.0;
}
// Set the buffer in the wrapper from the callback
mBuffer.SetBuffer(fromCallback, FRAMES);
// Fill the SpillBuffer with data.
ASSERT_TRUE(b.Fill(other, 15) == 15);
ASSERT_TRUE(b.Fill(other, 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 + 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, FRAMES) == 128);
ASSERT_TRUE(b.Fill(other, FRAMES) == 0);
ASSERT_TRUE(b.Empty(mBuffer) == 0);
}
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