80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <fcntl.h>
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#include <gtest/gtest.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <fstream>
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#include <iostream>
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#include "aptXbtenc.h"
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#define BYTES_PER_CODEWORD 16
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class LibAptxEncTest : public ::testing::Test {
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private:
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void* aptxbtenc = nullptr;
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protected:
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void SetUp() override {
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aptxbtenc = malloc(SizeofAptxbtenc());
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ASSERT_NE(aptxbtenc, nullptr);
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ASSERT_EQ(aptxbtenc_init(aptxbtenc, 0), 0);
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}
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void TearDown() override { free(aptxbtenc); }
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void codeword_cmp(const uint16_t pcm[8], const uint32_t codeword) {
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uint32_t pcmL[4];
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uint32_t pcmR[4];
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for (size_t i = 0; i < 4; i++) {
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pcmL[i] = pcm[0];
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pcmR[i] = pcm[1];
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pcm += 2;
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}
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uint32_t encoded_sample;
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aptxbtenc_encodestereo(aptxbtenc, &pcmL, &pcmR, &encoded_sample);
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ASSERT_EQ(encoded_sample, codeword);
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}
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};
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TEST_F(LibAptxEncTest, encoder_size) { ASSERT_EQ(SizeofAptxbtenc(), 5008); }
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TEST_F(LibAptxEncTest, encode_fake_data) {
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const char input[] =
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"012345678901234567890123456789012345678901234567890123456789012345678901"
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"23456789";
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const uint32_t aptx_codeword[] = {1270827967, 134154239, 670640127,
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1280265295, 2485752873};
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ASSERT_EQ((sizeof(input) - 1) % BYTES_PER_CODEWORD, 0);
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ASSERT_EQ((sizeof(input) - 1) / BYTES_PER_CODEWORD,
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sizeof(aptx_codeword) / sizeof(uint32_t));
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size_t idx = 0;
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uint16_t pcm[8];
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while (idx * BYTES_PER_CODEWORD < sizeof(input) - 1) {
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memcpy(pcm, input + idx * BYTES_PER_CODEWORD, BYTES_PER_CODEWORD);
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codeword_cmp(pcm, aptx_codeword[idx]);
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++idx;
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}
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}
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