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