/* -*- 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); }