mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-18 21:45:10 +00:00
334 lines
9.6 KiB
C
334 lines
9.6 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
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "config.h"
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#include <float.h>
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#include <math.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#if HAVE_UNISTD_H
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#include <unistd.h> /* for getopt */
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#endif
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#if !HAVE_GETOPT
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#include "compat/getopt.c"
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#endif
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#include "common.h"
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#include "cpu.h"
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#include "internal.h"
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#include "lfg.h"
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#include "log.h"
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#include "random_seed.h"
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#include "float_dsp.h"
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#define LEN 240
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static void fill_float_array(AVLFG *lfg, float *a, int len)
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{
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int i;
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double bmg[2], stddev = 10.0, mean = 0.0;
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for (i = 0; i < len; i += 2) {
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av_bmg_get(lfg, bmg);
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a[i] = bmg[0] * stddev + mean;
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a[i + 1] = bmg[1] * stddev + mean;
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}
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}
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static int compare_floats(const float *a, const float *b, int len,
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float max_diff)
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{
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int i;
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for (i = 0; i < len; i++) {
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if (fabsf(a[i] - b[i]) > max_diff) {
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av_log(NULL, AV_LOG_ERROR, "%d: %- .12f - %- .12f = % .12g\n",
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i, a[i], b[i], a[i] - b[i]);
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return -1;
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}
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}
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return 0;
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}
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static void fill_double_array(AVLFG *lfg, double *a, int len)
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{
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int i;
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double bmg[2], stddev = 10.0, mean = 0.0;
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for (i = 0; i < len; i += 2) {
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av_bmg_get(lfg, bmg);
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a[i] = bmg[0] * stddev + mean;
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a[i + 1] = bmg[1] * stddev + mean;
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}
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}
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static int compare_doubles(const double *a, const double *b, int len,
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double max_diff)
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{
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int i;
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for (i = 0; i < len; i++) {
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if (fabs(a[i] - b[i]) > max_diff) {
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av_log(NULL, AV_LOG_ERROR, "%d: %- .12f - %- .12f = % .12g\n",
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i, a[i], b[i], a[i] - b[i]);
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return -1;
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}
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}
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return 0;
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}
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static int test_vector_fmul(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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cdsp->vector_fmul(cdst, v1, v2, LEN);
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fdsp->vector_fmul(odst, v1, v2, LEN);
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if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
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av_log(NULL, AV_LOG_ERROR, "vector_fmul failed\n");
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return ret;
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}
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#define ARBITRARY_FMAC_SCALAR_CONST 0.005
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static int test_vector_fmac_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *src0, float scale)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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memcpy(cdst, v1, LEN * sizeof(*v1));
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memcpy(odst, v1, LEN * sizeof(*v1));
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cdsp->vector_fmac_scalar(cdst, src0, scale, LEN);
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fdsp->vector_fmac_scalar(odst, src0, scale, LEN);
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if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMAC_SCALAR_CONST))
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av_log(NULL, AV_LOG_ERROR, "vector_fmac_scalar failed\n");
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return ret;
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}
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static int test_vector_fmul_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, float scale)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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cdsp->vector_fmul_scalar(cdst, v1, scale, LEN);
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fdsp->vector_fmul_scalar(odst, v1, scale, LEN);
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if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
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av_log(NULL, AV_LOG_ERROR, "vector_fmul_scalar failed\n");
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return ret;
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}
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static int test_vector_dmul_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const double *v1, double scale)
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{
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LOCAL_ALIGNED(32, double, cdst, [LEN]);
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LOCAL_ALIGNED(32, double, odst, [LEN]);
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int ret;
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cdsp->vector_dmul_scalar(cdst, v1, scale, LEN);
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fdsp->vector_dmul_scalar(odst, v1, scale, LEN);
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if (ret = compare_doubles(cdst, odst, LEN, DBL_EPSILON))
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av_log(NULL, AV_LOG_ERROR, "vector_dmul_scalar failed\n");
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return ret;
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}
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#define ARBITRARY_FMUL_WINDOW_CONST 0.008
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static int test_vector_fmul_window(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2, const float *v3)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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cdsp->vector_fmul_window(cdst, v1, v2, v3, LEN / 2);
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fdsp->vector_fmul_window(odst, v1, v2, v3, LEN / 2);
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if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMUL_WINDOW_CONST))
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av_log(NULL, AV_LOG_ERROR, "vector_fmul_window failed\n");
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return ret;
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}
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#define ARBITRARY_FMUL_ADD_CONST 0.005
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static int test_vector_fmul_add(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2, const float *v3)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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cdsp->vector_fmul_add(cdst, v1, v2, v3, LEN);
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fdsp->vector_fmul_add(odst, v1, v2, v3, LEN);
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if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMUL_ADD_CONST))
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av_log(NULL, AV_LOG_ERROR, "vector_fmul_add failed\n");
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return ret;
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}
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static int test_vector_fmul_reverse(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2)
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{
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LOCAL_ALIGNED(32, float, cdst, [LEN]);
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LOCAL_ALIGNED(32, float, odst, [LEN]);
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int ret;
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cdsp->vector_fmul_reverse(cdst, v1, v2, LEN);
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fdsp->vector_fmul_reverse(odst, v1, v2, LEN);
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if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
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av_log(NULL, AV_LOG_ERROR, "vector_fmul_reverse failed\n");
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return ret;
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}
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static int test_butterflies_float(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2)
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{
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LOCAL_ALIGNED(32, float, cv1, [LEN]);
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LOCAL_ALIGNED(32, float, cv2, [LEN]);
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LOCAL_ALIGNED(32, float, ov1, [LEN]);
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LOCAL_ALIGNED(32, float, ov2, [LEN]);
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int ret;
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memcpy(cv1, v1, LEN * sizeof(*v1));
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memcpy(cv2, v2, LEN * sizeof(*v2));
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memcpy(ov1, v1, LEN * sizeof(*v1));
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memcpy(ov2, v2, LEN * sizeof(*v2));
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cdsp->butterflies_float(cv1, cv2, LEN);
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fdsp->butterflies_float(ov1, ov2, LEN);
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if ((ret = compare_floats(cv1, ov1, LEN, FLT_EPSILON)) ||
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(ret = compare_floats(cv2, ov2, LEN, FLT_EPSILON)))
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av_log(NULL, AV_LOG_ERROR, "butterflies_float failed\n");
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return ret;
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}
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#define ARBITRARY_SCALARPRODUCT_CONST 0.2
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static int test_scalarproduct_float(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
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const float *v1, const float *v2)
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{
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float cprod, oprod;
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int ret;
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cprod = cdsp->scalarproduct_float(v1, v2, LEN);
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oprod = fdsp->scalarproduct_float(v1, v2, LEN);
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if (ret = compare_floats(&cprod, &oprod, 1, ARBITRARY_SCALARPRODUCT_CONST))
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av_log(NULL, AV_LOG_ERROR, "scalarproduct_float failed\n");
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return ret;
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}
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int main(int argc, char **argv)
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{
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int ret = 0, seeded = 0;
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uint32_t seed;
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AVFloatDSPContext *fdsp, *cdsp;
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AVLFG lfg;
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LOCAL_ALIGNED(32, float, src0, [LEN]);
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LOCAL_ALIGNED(32, float, src1, [LEN]);
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LOCAL_ALIGNED(32, float, src2, [LEN]);
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LOCAL_ALIGNED(32, double, dbl_src0, [LEN]);
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LOCAL_ALIGNED(32, double, dbl_src1, [LEN]);
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for (;;) {
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int arg = getopt(argc, argv, "s:c:");
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if (arg == -1)
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break;
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switch (arg) {
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case 's':
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seed = strtoul(optarg, NULL, 10);
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seeded = 1;
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break;
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case 'c':
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{
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int cpuflags = av_get_cpu_flags();
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if (av_parse_cpu_caps(&cpuflags, optarg) < 0)
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return 1;
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av_force_cpu_flags(cpuflags);
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break;
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}
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}
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}
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if (!seeded)
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seed = av_get_random_seed();
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av_log(NULL, AV_LOG_INFO, "float_dsp-test: %s %u\n", seeded ? "seed" : "random seed", seed);
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fdsp = avpriv_float_dsp_alloc(1);
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av_force_cpu_flags(0);
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cdsp = avpriv_float_dsp_alloc(1);
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if (!fdsp || !cdsp) {
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ret = 1;
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goto end;
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}
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av_lfg_init(&lfg, seed);
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fill_float_array(&lfg, src0, LEN);
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fill_float_array(&lfg, src1, LEN);
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fill_float_array(&lfg, src2, LEN);
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fill_double_array(&lfg, dbl_src0, LEN);
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fill_double_array(&lfg, dbl_src1, LEN);
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if (test_vector_fmul(fdsp, cdsp, src0, src1))
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ret -= 1 << 0;
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if (test_vector_fmac_scalar(fdsp, cdsp, src2, src0, src1[0]))
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ret -= 1 << 1;
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if (test_vector_fmul_scalar(fdsp, cdsp, src0, src1[0]))
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ret -= 1 << 2;
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if (test_vector_fmul_window(fdsp, cdsp, src0, src1, src2))
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ret -= 1 << 3;
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if (test_vector_fmul_add(fdsp, cdsp, src0, src1, src2))
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ret -= 1 << 4;
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if (test_vector_fmul_reverse(fdsp, cdsp, src0, src1))
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ret -= 1 << 5;
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if (test_butterflies_float(fdsp, cdsp, src0, src1))
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ret -= 1 << 6;
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if (test_scalarproduct_float(fdsp, cdsp, src0, src1))
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ret -= 1 << 7;
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if (test_vector_dmul_scalar(fdsp, cdsp, dbl_src0, dbl_src1[0]))
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ret -= 1 << 8;
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end:
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av_freep(&fdsp);
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av_freep(&cdsp);
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return ret;
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}
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