2015-12-07 22:38:46 +00:00
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/*
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* Copyright (c) 2015 Janne Grunau
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*
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2016-01-02 11:45:34 +00:00
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* This file is part of FFmpeg.
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2015-12-07 22:38:46 +00:00
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*
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2016-01-02 11:45:34 +00:00
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* FFmpeg is free software; you can redistribute it and/or modify
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2015-12-07 22:38:46 +00:00
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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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2016-01-02 11:45:34 +00:00
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* FFmpeg is distributed in the hope that it will be useful,
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2015-12-07 22:38:46 +00:00
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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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2016-01-02 11:45:34 +00:00
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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2015-12-07 22:38:46 +00:00
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <math.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "libavutil/internal.h"
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#include "libavutil/intfloat.h"
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#include "libavcodec/dcadata.h"
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#include "libavcodec/synth_filter.h"
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#include "checkasm.h"
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#define BUF_SIZE 32
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#define randomize_input() \
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do { \
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int i; \
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for (i = 0; i < BUF_SIZE; i++) { \
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float f = (float)rnd() / (UINT_MAX >> 5) - 16.0f; \
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in[i] = f; \
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} \
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} while (0)
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void checkasm_check_synth_filter(void)
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{
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FFTContext imdct;
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SynthFilterContext synth;
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ff_mdct_init(&imdct, 6, 1, 1.0);
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ff_synth_filter_init(&synth);
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if (check_func(synth.synth_filter_float, "synth_filter_float")) {
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LOCAL_ALIGNED(32, float, out0, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, out1, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, out_b, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, in, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, buf2_0, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, buf2_1, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, buf2_b, [BUF_SIZE]);
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LOCAL_ALIGNED(32, float, buf0, [512]);
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LOCAL_ALIGNED(32, float, buf1, [512]);
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LOCAL_ALIGNED(32, float, buf_b, [512]);
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float scale = 1.0f;
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int i, offset0 = 0, offset1 = 0, offset_b = 0;
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declare_func(void, FFTContext *, float *, int *, float[32], const float[512],
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float[32], float[32], float);
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memset(buf2_0, 0, sizeof(*buf2_0) * BUF_SIZE);
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memset(buf2_1, 0, sizeof(*buf2_1) * BUF_SIZE);
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memset(buf2_b, 0, sizeof(*buf2_b) * BUF_SIZE);
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memset(buf0, 0, sizeof(*buf2_0) * 512);
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memset(buf1, 0, sizeof(*buf2_1) * 512);
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memset(buf_b, 0, sizeof(*buf2_b) * 512);
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/* more than 1 synth_buf_offset wrap-around */
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for (i = 0; i < 20; i++) {
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int j;
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const float * window = (i & 1) ? ff_dca_fir_32bands_perfect : ff_dca_fir_32bands_nonperfect;
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memset(out0, 0, sizeof(*out0) * BUF_SIZE);
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memset(out1, 0, sizeof(*out1) * BUF_SIZE);
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memset(out_b, 0, sizeof(*out_b) * BUF_SIZE);
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randomize_input();
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call_ref(&imdct, buf0, &offset0, buf2_0, window,
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out0, in, scale);
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call_new(&imdct, buf1, &offset1, buf2_1, window,
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out1, in, scale);
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if (offset0 != offset1) {
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fail();
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fprintf(stderr, "offsets do not match: %d, %d", offset0, offset1);
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break;
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}
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for (j = 0; j < BUF_SIZE; j++) {
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if (!float_near_abs_eps_ulp(out0[j], out1[j], 7.0e-7, 16) ||
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!float_near_abs_eps_ulp(buf2_0[j], buf2_1[j], 7.0e-7, 16)) {
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union av_intfloat32 o0, o1, b0, b1;
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fail();
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o0.f = out0[j]; o1.f = out1[j];
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b0.f = buf2_0[j], b1.f = buf2_1[j];
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fprintf(stderr, "out: %11g (0x%08x); %11g (0x%08x); abs diff %11g\n",
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o0.f, o0.i, o1.f, o1.i, fabsf(o0.f - o1.f));
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fprintf(stderr, "buf2: %11g (0x%08x); %11g (0x%08x); abs diff %11g\n",
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b0.f, b0.i, b1.f, b1.i, fabsf(b0.f - b1.f));
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break;
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}
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}
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bench_new(&imdct, buf_b, &offset_b, buf2_b, window,
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out_b, in, scale);
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}
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}
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ff_mdct_end(&imdct);
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report("synth_filter");
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}
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