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/*
* Copyright (c) 2015 Janne Grunau
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include "libavutil/internal.h"
#include "libavutil/intfloat.h"
#include "libavcodec/dca.h"
#include "libavcodec/dcadsp.h"
#include "libavcodec/dcadata.h"
#include "checkasm.h"
#define randomize_lfe_fir(size) \
do { \
int i; \
for (i = 0; i < size; i++) { \
float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \
in[i] = f; \
} \
for (i = 0; i < 256; i++) { \
float f = (float)rnd() / (UINT_MAX >> 1) - 1.0f; \
coeffs[i] = f; \
} \
} while (0)
#define check_lfe_fir(decifactor, eps) \
do { \
LOCAL_ALIGNED_16(float, in, [256 / decifactor]); \
LOCAL_ALIGNED_16(float, out0, [decifactor * 2]); \
LOCAL_ALIGNED_16(float, out1, [decifactor * 2]); \
LOCAL_ALIGNED_16(float, coeffs, [256]); \
int i; \
const float * in_ptr = in + (256 / decifactor) - 1; \
declare_func(void, float *out, const float *in, const float *coeffs); \
/* repeat the test several times */ \
for (i = 0; i < 32; i++) { \
int j; \
memset(out0, 0, sizeof(*out0) * 2 * decifactor); \
memset(out1, 0xFF, sizeof(*out1) * 2 * decifactor); \
randomize_lfe_fir(256 / decifactor); \
call_ref(out0, in_ptr, coeffs); \
call_new(out1, in_ptr, coeffs); \
for (j = 0; j < 2 * decifactor; j++) { \
if (!float_near_abs_eps(out0[j], out1[j], eps)) { \
if (0) { \
union av_intfloat32 x, y; x.f = out0[j]; y.f = out1[j]; \
fprintf(stderr, "%3d: %11g (0x%08x); %11g (0x%08x)\n", \
j, x.f, x.i, y.f, y.i); \
} \
fail(); \
break; \
} \
} \
bench_new(out1, in_ptr, coeffs); \
} \
} while (0)
#define randomize_decode_hf() \
do { \
int i; \
for (i = 0; i < DCA_SUBBANDS; i++) { \
vq_num[i] = rnd() >> 22; \
scale[i][0] = rnd() >> 26; \
scale[i][1] = INT32_MIN; \
} \
} while (0)
void checkasm_check_dcadsp(void)
{
DCADSPContext c;
ff_dcadsp_init(&c);
/* values are limited to {-8, 8} so absolute epsilon is good enough */
if (check_func(c.lfe_fir[0], "dca_lfe_fir0"))
check_lfe_fir(32, 1.0e-6f);
if (check_func(c.lfe_fir[1], "dca_lfe_fir1"))
check_lfe_fir(64, 1.0e-6f);
if (check_func(c.decode_hf, "dca_decode_hf")) {
LOCAL_ALIGNED_16(float, dst0, [DCA_SUBBANDS], [8]);
LOCAL_ALIGNED_16(float, dst1, [DCA_SUBBANDS], [8]);
LOCAL_ALIGNED_16(int32_t, scale, [DCA_SUBBANDS], [2]);
LOCAL_ALIGNED_16(int32_t, vq_num, [DCA_SUBBANDS]);
intptr_t start, end = 32, offset;
declare_func(void, float[DCA_SUBBANDS][8], const int32_t[DCA_SUBBANDS],
const int8_t[1024][DCA_SUBBANDS], intptr_t, int32_t[DCA_SUBBANDS][2],
intptr_t, intptr_t);
for (start = 0; start < 32; start++) {
for (offset = 0; offset < 32; offset += 8) {
int j;
for (j = 0; j < DCA_SUBBANDS; j++) {
memset(dst0[j], 0, sizeof(*(dst0[j])) * 8);
memset(dst1[j], 0, sizeof(*(dst1[j])) * 8);
}
randomize_decode_hf();
call_ref(dst0, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
call_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
for (j = 0; j < 8 * DCA_SUBBANDS; j++) {
if (!float_near_ulp(dst0[j>>3][j&7], dst1[j>>3][j&7], 1)) {
fail();
break;
}
}
bench_new(dst1, vq_num, ff_dca_high_freq_vq, offset, scale, start, end);
}
}
}
report("dcadsp");
}
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