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Diffstat (limited to 'cras/src/tests/linear_resampler_unittest.cc')
| -rw-r--r-- | cras/src/tests/linear_resampler_unittest.cc | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/cras/src/tests/linear_resampler_unittest.cc b/cras/src/tests/linear_resampler_unittest.cc deleted file mode 100644 index 6095d5b6..00000000 --- a/cras/src/tests/linear_resampler_unittest.cc +++ /dev/null @@ -1,220 +0,0 @@ -// Copyright (c) 2014 The Chromium OS Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include <gtest/gtest.h> -#include <limits.h> -#include <stdint.h> -#include <stdio.h> - -extern "C" { -#include "linear_resampler.h" -} - -#define BUF_SIZE 2048 - -static uint8_t in_buf[BUF_SIZE]; -static uint8_t out_buf[BUF_SIZE]; - -TEST(LinearResampler, ReampleToSlightlyLargerRate) { - int i, rc; - unsigned int count; - unsigned int in_offset = 0; - unsigned int out_offset = 0; - struct linear_resampler* lr; - - memset(in_buf, 0, BUF_SIZE); - memset(out_buf, 0, BUF_SIZE); - for (i = 0; i < 100; i++) { - *((int16_t*)(in_buf + i * 4)) = i * 10; - *((int16_t*)(in_buf + i * 4 + 2)) = i * 20; - } - - lr = linear_resampler_create(2, 4, 48000, 48001); - - count = 20; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 50); - EXPECT_EQ(20, rc); - EXPECT_EQ(20, count); - - in_offset += count; - out_offset += rc; - count = 20; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 15); - EXPECT_EQ(15, rc); - EXPECT_EQ(15, count); - - /* Assert linear interpotation result. */ - for (i = 0; i < 34; i++) { - EXPECT_GE(*(int16_t*)(in_buf + 4 * i), *(int16_t*)(out_buf + 4 * i)); - EXPECT_LE(*(int16_t*)(in_buf + 4 * i), *(int16_t*)(out_buf + 4 * (i + 1))); - } - linear_resampler_destroy(lr); -} - -TEST(LinearResampler, ResampleIntegerFractionToLarger) { - int i, rc; - unsigned int count; - unsigned int in_offset = 0; - unsigned int out_offset = 0; - struct linear_resampler* lr; - - memset(in_buf, 0, BUF_SIZE); - memset(out_buf, 0, BUF_SIZE); - for (i = 0; i < 100; i++) { - *((int16_t*)(in_buf + i * 4)) = SHRT_MAX - i; - *((int16_t*)(in_buf + i * 4 + 2)) = SHRT_MAX - i * 10; - } - - /* Rate 10 -> 11 */ - lr = linear_resampler_create(2, 4, 10, 11); - - count = 5; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 10); - EXPECT_EQ(5, rc); - EXPECT_EQ(5, count); - - in_offset += count; - out_offset += rc; - count = 6; - /* Assert source rate + 1 frames resample to destination rate + 1 - * frames. */ - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 10); - EXPECT_EQ(7, rc); - EXPECT_EQ(6, count); - - in_offset += count; - out_offset += rc; - count = 89; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 100); - EXPECT_EQ(97, rc); - EXPECT_EQ(89, count); - - /* Assert linear interpotation result. */ - for (i = 0; i < 90; i++) { - EXPECT_LE(*(int16_t*)(in_buf + 4 * i), *(int16_t*)(out_buf + 4 * i)); - EXPECT_LE(*(int16_t*)(in_buf + 4 * i + 2), - *(int16_t*)(out_buf + 4 * i + 2)); - } - linear_resampler_destroy(lr); -} - -TEST(LinearResampler, ResampleIntegerFractionToLess) { - int i, rc; - unsigned int count; - unsigned int in_offset = 0; - unsigned int out_offset = 0; - struct linear_resampler* lr; - - memset(in_buf, 0, BUF_SIZE); - memset(out_buf, 0, BUF_SIZE); - for (i = 0; i < 100; i++) { - *((int16_t*)(in_buf + i * 4)) = SHRT_MIN + i * 10; - *((int16_t*)(in_buf + i * 4 + 2)) = SHRT_MIN + i * 20; - } - - /* Rate 10 -> 9 */ - lr = linear_resampler_create(2, 4, 10, 9); - - count = 6; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 6); - EXPECT_EQ(5, rc); - EXPECT_EQ(6, count); - - in_offset += count; - out_offset += rc; - count = 4; - - /* Assert source rate frames resample to destination rate frames. */ - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 4); - EXPECT_EQ(4, rc); - EXPECT_EQ(4, count); - - in_offset += count; - out_offset += rc; - count = 90; - rc = linear_resampler_resample(lr, in_buf + 4 * in_offset, &count, - out_buf + 4 * out_offset, 90); - - /* Assert linear interpotation result. */ - for (i = 0; i < 90; i++) { - EXPECT_LE(*(int16_t*)(in_buf + 4 * i), *(int16_t*)(out_buf + 4 * i)); - EXPECT_LE(*(int16_t*)(in_buf + 4 * i + 2), - *(int16_t*)(out_buf + 4 * i + 2)); - } - linear_resampler_destroy(lr); -} - -TEST(LinearResampler, ResampleIntegerNoSrcBuffer) { - int rc; - unsigned int count; - struct linear_resampler* lr; - - memset(in_buf, 0, BUF_SIZE); - memset(out_buf, 0, BUF_SIZE); - - /* Rate 10 -> 9 */ - lr = linear_resampler_create(2, 4, 10, 9); - - count = 0; - rc = linear_resampler_resample(lr, in_buf, &count, out_buf, BUF_SIZE); - EXPECT_EQ(0, rc); - EXPECT_EQ(0, count); - linear_resampler_destroy(lr); -} - -TEST(LinearResampler, ResampleIntegerNoDstBuffer) { - int rc; - unsigned int count; - struct linear_resampler* lr; - - memset(in_buf, 0, BUF_SIZE); - memset(out_buf, 0, BUF_SIZE); - - /* Rate 10 -> 9 */ - lr = linear_resampler_create(2, 4, 10, 9); - - count = BUF_SIZE; - rc = linear_resampler_resample(lr, in_buf, &count, out_buf, 0); - EXPECT_EQ(0, rc); - EXPECT_EQ(0, count); - linear_resampler_destroy(lr); -} - -extern "C" { - -void cras_mix_add_scale_stride(int fmt, - uint8_t* dst, - uint8_t* src, - unsigned int count, - unsigned int dst_stride, - unsigned int src_stride, - float scaler) { - unsigned int i; - - for (i = 0; i < count; i++) { - int32_t sum; - sum = *(int16_t*)dst + *(int16_t*)src * scaler; - if (sum > INT16_MAX) - sum = INT16_MAX; - else if (sum < INT16_MIN) - sum = INT16_MIN; - *(int16_t*)dst = sum; - dst += dst_stride; - src += src_stride; - } -} - -} // extern "C" - -int main(int argc, char** argv) { - ::testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} |