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