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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdint.h>
#include <string.h>
#include "libavcodec/dcadata.h"
#include "libavcodec/dcadsp.h"
#include "libavutil/common.h"
#include "libavutil/mem_internal.h"
#include "checkasm.h"
#define N 32
#define BLOCKSIZE 128
#define BUF_SIZE (N * BLOCKSIZE)
#define LFE_HISTORY 8
#define LFE_SIZE (N + LFE_HISTORY + 1)
/* sign_extend(rnd(), 23) would be the correct approach here,
* but it results in differences that would require a much
* bigger EPS value, thus we use 16 (simplified as a cast). */
#define randomize(buf, len) do { \
for (int i = 0; i < len; i++) \
(buf)[i] = (int16_t)rnd(); \
} while (0)
#define EPS 0.0005f
static void test_lfe_fir_float(const DCADSPContext *dca)
{
LOCAL_ALIGNED_16(float, dst0, [BUF_SIZE]);
LOCAL_ALIGNED_16(float, dst1, [BUF_SIZE]);
LOCAL_ALIGNED_16(int32_t, lfe, [LFE_SIZE]);
declare_func(void, float *pcm_samples, const int32_t *lfe_samples,
const float *filter_coeff, ptrdiff_t npcmblocks);
for (int i = 0; i < 2; i++) {
const float *coeffs = i ? ff_dca_lfe_fir_128 : ff_dca_lfe_fir_64;
if (check_func(dca->lfe_fir_float[i], "lfe_fir%d_float", i)) {
memset(dst0, 0, BUF_SIZE * sizeof(float));
memset(dst1, 0, BUF_SIZE * sizeof(float));
randomize(lfe, LFE_SIZE);
call_ref(dst0, lfe + LFE_HISTORY, coeffs, N);
call_new(dst1, lfe + LFE_HISTORY, coeffs, N);
if (!float_near_abs_eps_array(dst0, dst1, EPS, BUF_SIZE))
fail();
bench_new(dst1, lfe + LFE_HISTORY, coeffs, N);
}
}
}
static void test_lfe_fir_fixed(void)
{
LOCAL_ALIGNED_16(int32_t, dst0, [BUF_SIZE]);
LOCAL_ALIGNED_16(int32_t, dst1, [BUF_SIZE]);
LOCAL_ALIGNED_16(int32_t, lfe, [LFE_SIZE]);
const int32_t *coeffs = ff_dca_lfe_fir_64_fixed;
declare_func(void, int32_t *pcm_samples, const int32_t *lfe_samples,
const int32_t *filter_coeff, ptrdiff_t npcmblocks);
memset(dst0, 0, BUF_SIZE * sizeof(int32_t));
memset(dst1, 0, BUF_SIZE * sizeof(int32_t));
randomize(lfe, LFE_SIZE);
call_ref(dst0, lfe + LFE_HISTORY, coeffs, N);
call_new(dst1, lfe + LFE_HISTORY, coeffs, N);
if (memcmp(dst0, dst1, BUF_SIZE * sizeof(int32_t)))
fail();
bench_new(dst1, lfe + LFE_HISTORY, coeffs, N);
}
void checkasm_check_dcadsp(void)
{
DCADSPContext dca;
ff_dcadsp_init(&dca);
test_lfe_fir_float(&dca);
report("lfe_fir_float");
if (check_func(dca.lfe_fir_fixed, "lfe_fir_fixed"))
test_lfe_fir_fixed();
report("lfe_fir_fixed");
}
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