| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <fcntl.h> |
| #include <gtest/gtest.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| #include <fstream> |
| #include <iostream> |
| |
| #include "aptXHDbtenc.h" |
| |
| #define BYTES_PER_CODEWORD 24 |
| |
| class LibAptxHdEncTest : public ::testing::Test { |
| private: |
| protected: |
| void* aptxhdbtenc = nullptr; |
| void SetUp() override { |
| aptxhdbtenc = malloc(SizeofAptxhdbtenc()); |
| ASSERT_NE(aptxhdbtenc, nullptr); |
| ASSERT_EQ(aptxhdbtenc_init(aptxhdbtenc, 0), 0); |
| } |
| |
| void TearDown() override { free(aptxhdbtenc); } |
| |
| void codeword_cmp(const uint8_t p[BYTES_PER_CODEWORD], |
| const uint32_t codeword[2]) { |
| uint32_t pcmL[4]; |
| uint32_t pcmR[4]; |
| for (size_t i = 0; i < 4; i++) { |
| pcmL[i] = ((p[0] << 0) | (p[1] << 8) | (((int8_t)p[2]) << 16)); |
| p += 3; |
| pcmR[i] = ((p[0] << 0) | (p[1] << 8) | (((int8_t)p[2]) << 16)); |
| p += 3; |
| } |
| uint32_t encoded_sample[2]; |
| aptxhdbtenc_encodestereo(aptxhdbtenc, &pcmL, &pcmR, (void*)encoded_sample); |
| |
| ASSERT_EQ(encoded_sample[0], codeword[0]); |
| ASSERT_EQ(encoded_sample[1], codeword[1]); |
| } |
| }; |
| |
| TEST_F(LibAptxHdEncTest, encode_fake_data) { |
| const char input[] = |
| "012345678901234567890123456789012345678901234567890123456789012345678901" |
| "234567890123456789012345678901234567890123456789"; |
| const uint32_t aptxhd_codeword[] = {7585535, 7585535, 32767, 32767, |
| 557055, 557027, 7586105, 7586109, |
| 9748656, 10764446}; |
| |
| ASSERT_EQ((sizeof(input) - 1) % BYTES_PER_CODEWORD, 0); |
| ASSERT_EQ((sizeof(input) - 1) / BYTES_PER_CODEWORD, |
| sizeof(aptxhd_codeword) / sizeof(uint32_t) / 2); |
| |
| size_t idx = 0; |
| |
| uint8_t pcm[BYTES_PER_CODEWORD]; |
| while (idx * BYTES_PER_CODEWORD < sizeof(input) - 1) { |
| memcpy(pcm, input + idx * BYTES_PER_CODEWORD, BYTES_PER_CODEWORD); |
| codeword_cmp(pcm, aptxhd_codeword + idx * 2); |
| ++idx; |
| } |
| } |