mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-11 08:13:35 +00:00
60 lines
1.6 KiB
C++
60 lines
1.6 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 <assert.h>
|
|
#include "AudioBufferUtils.h"
|
|
|
|
const uint32_t FRAMES = 256;
|
|
const uint32_t CHANNELS = 2;
|
|
const uint32_t SAMPLES = CHANNELS * FRAMES;
|
|
|
|
int main() {
|
|
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(b.Fill(other, 15) == 15);
|
|
assert(b.Fill(other, 17) == 17);
|
|
for (uint32_t i = 0; i < 32 * CHANNELS; i++) {
|
|
other[i] = 0.0;
|
|
}
|
|
|
|
// Empty it in the AudioCallbackBufferWrapper
|
|
assert(b.Empty(mBuffer) == 32);
|
|
|
|
// Check available return something reasonnable
|
|
assert(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(mBuffer.Available() == 0);
|
|
|
|
for (uint32_t i = 0 ; i < SAMPLES; i++) {
|
|
if (fromCallback[i] != 1.0) {
|
|
fprintf(stderr, "Difference at %d (%f != %f)\n", i, fromCallback[i], 1.0);
|
|
assert(false);
|
|
}
|
|
}
|
|
|
|
assert(b.Fill(other, FRAMES) == 128);
|
|
assert(b.Fill(other, FRAMES) == 0);
|
|
assert(b.Empty(mBuffer) == 0);
|
|
|
|
return 0;
|
|
}
|