summaryrefslogtreecommitdiff
path: root/libavutil/tests/float_dsp.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavutil/tests/float_dsp.c')
-rw-r--r--libavutil/tests/float_dsp.c333
1 files changed, 333 insertions, 0 deletions
diff --git a/libavutil/tests/float_dsp.c b/libavutil/tests/float_dsp.c
new file mode 100644
index 0000000000..053324dd38
--- /dev/null
+++ b/libavutil/tests/float_dsp.c
@@ -0,0 +1,333 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 "config.h"
+
+#include <float.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h> /* for getopt */
+#endif
+#if !HAVE_GETOPT
+#include "compat/getopt.c"
+#endif
+
+#include "libavutil/common.h"
+#include "libavutil/cpu.h"
+#include "libavutil/internal.h"
+#include "libavutil/lfg.h"
+#include "libavutil/log.h"
+#include "libavutil/random_seed.h"
+#include "libavutil/float_dsp.h"
+
+#define LEN 240
+
+static void fill_float_array(AVLFG *lfg, float *a, int len)
+{
+ int i;
+ double bmg[2], stddev = 10.0, mean = 0.0;
+
+ for (i = 0; i < len; i += 2) {
+ av_bmg_get(lfg, bmg);
+ a[i] = bmg[0] * stddev + mean;
+ a[i + 1] = bmg[1] * stddev + mean;
+ }
+}
+static int compare_floats(const float *a, const float *b, int len,
+ float max_diff)
+{
+ int i;
+ for (i = 0; i < len; i++) {
+ if (fabsf(a[i] - b[i]) > max_diff) {
+ av_log(NULL, AV_LOG_ERROR, "%d: %- .12f - %- .12f = % .12g\n",
+ i, a[i], b[i], a[i] - b[i]);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static void fill_double_array(AVLFG *lfg, double *a, int len)
+{
+ int i;
+ double bmg[2], stddev = 10.0, mean = 0.0;
+
+ for (i = 0; i < len; i += 2) {
+ av_bmg_get(lfg, bmg);
+ a[i] = bmg[0] * stddev + mean;
+ a[i + 1] = bmg[1] * stddev + mean;
+ }
+}
+
+static int compare_doubles(const double *a, const double *b, int len,
+ double max_diff)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if (fabs(a[i] - b[i]) > max_diff) {
+ av_log(NULL, AV_LOG_ERROR, "%d: %- .12f - %- .12f = % .12g\n",
+ i, a[i], b[i], a[i] - b[i]);
+ return -1;
+ }
+ }
+ return 0;
+}
+
+static int test_vector_fmul(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_fmul(cdst, v1, v2, LEN);
+ fdsp->vector_fmul(odst, v1, v2, LEN);
+
+ if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmul failed\n");
+
+ return ret;
+}
+
+#define ARBITRARY_FMAC_SCALAR_CONST 0.005
+static int test_vector_fmac_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *src0, float scale)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ memcpy(cdst, v1, LEN * sizeof(*v1));
+ memcpy(odst, v1, LEN * sizeof(*v1));
+
+ cdsp->vector_fmac_scalar(cdst, src0, scale, LEN);
+ fdsp->vector_fmac_scalar(odst, src0, scale, LEN);
+
+ if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMAC_SCALAR_CONST))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmac_scalar failed\n");
+
+ return ret;
+}
+
+static int test_vector_fmul_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, float scale)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_fmul_scalar(cdst, v1, scale, LEN);
+ fdsp->vector_fmul_scalar(odst, v1, scale, LEN);
+
+ if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmul_scalar failed\n");
+
+ return ret;
+}
+
+static int test_vector_dmul_scalar(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const double *v1, double scale)
+{
+ LOCAL_ALIGNED(32, double, cdst, [LEN]);
+ LOCAL_ALIGNED(32, double, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_dmul_scalar(cdst, v1, scale, LEN);
+ fdsp->vector_dmul_scalar(odst, v1, scale, LEN);
+
+ if (ret = compare_doubles(cdst, odst, LEN, DBL_EPSILON))
+ av_log(NULL, AV_LOG_ERROR, "vector_dmul_scalar failed\n");
+
+ return ret;
+}
+
+#define ARBITRARY_FMUL_WINDOW_CONST 0.008
+static int test_vector_fmul_window(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2, const float *v3)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_fmul_window(cdst, v1, v2, v3, LEN / 2);
+ fdsp->vector_fmul_window(odst, v1, v2, v3, LEN / 2);
+
+ if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMUL_WINDOW_CONST))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmul_window failed\n");
+
+ return ret;
+}
+
+#define ARBITRARY_FMUL_ADD_CONST 0.005
+static int test_vector_fmul_add(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2, const float *v3)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_fmul_add(cdst, v1, v2, v3, LEN);
+ fdsp->vector_fmul_add(odst, v1, v2, v3, LEN);
+
+ if (ret = compare_floats(cdst, odst, LEN, ARBITRARY_FMUL_ADD_CONST))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmul_add failed\n");
+
+ return ret;
+}
+
+static int test_vector_fmul_reverse(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2)
+{
+ LOCAL_ALIGNED(32, float, cdst, [LEN]);
+ LOCAL_ALIGNED(32, float, odst, [LEN]);
+ int ret;
+
+ cdsp->vector_fmul_reverse(cdst, v1, v2, LEN);
+ fdsp->vector_fmul_reverse(odst, v1, v2, LEN);
+
+ if (ret = compare_floats(cdst, odst, LEN, FLT_EPSILON))
+ av_log(NULL, AV_LOG_ERROR, "vector_fmul_reverse failed\n");
+
+ return ret;
+}
+
+static int test_butterflies_float(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2)
+{
+ LOCAL_ALIGNED(32, float, cv1, [LEN]);
+ LOCAL_ALIGNED(32, float, cv2, [LEN]);
+ LOCAL_ALIGNED(32, float, ov1, [LEN]);
+ LOCAL_ALIGNED(32, float, ov2, [LEN]);
+ int ret;
+
+ memcpy(cv1, v1, LEN * sizeof(*v1));
+ memcpy(cv2, v2, LEN * sizeof(*v2));
+ memcpy(ov1, v1, LEN * sizeof(*v1));
+ memcpy(ov2, v2, LEN * sizeof(*v2));
+
+ cdsp->butterflies_float(cv1, cv2, LEN);
+ fdsp->butterflies_float(ov1, ov2, LEN);
+
+ if ((ret = compare_floats(cv1, ov1, LEN, FLT_EPSILON)) ||
+ (ret = compare_floats(cv2, ov2, LEN, FLT_EPSILON)))
+ av_log(NULL, AV_LOG_ERROR, "butterflies_float failed\n");
+
+ return ret;
+}
+
+#define ARBITRARY_SCALARPRODUCT_CONST 0.2
+static int test_scalarproduct_float(AVFloatDSPContext *fdsp, AVFloatDSPContext *cdsp,
+ const float *v1, const float *v2)
+{
+ float cprod, oprod;
+ int ret;
+
+ cprod = cdsp->scalarproduct_float(v1, v2, LEN);
+ oprod = fdsp->scalarproduct_float(v1, v2, LEN);
+
+ if (ret = compare_floats(&cprod, &oprod, 1, ARBITRARY_SCALARPRODUCT_CONST))
+ av_log(NULL, AV_LOG_ERROR, "scalarproduct_float failed\n");
+
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ int ret = 0, seeded = 0;
+ uint32_t seed;
+ AVFloatDSPContext *fdsp, *cdsp;
+ AVLFG lfg;
+
+ LOCAL_ALIGNED(32, float, src0, [LEN]);
+ LOCAL_ALIGNED(32, float, src1, [LEN]);
+ LOCAL_ALIGNED(32, float, src2, [LEN]);
+ LOCAL_ALIGNED(32, double, dbl_src0, [LEN]);
+ LOCAL_ALIGNED(32, double, dbl_src1, [LEN]);
+
+ for (;;) {
+ int arg = getopt(argc, argv, "s:c:");
+ if (arg == -1)
+ break;
+ switch (arg) {
+ case 's':
+ seed = strtoul(optarg, NULL, 10);
+ seeded = 1;
+ break;
+ case 'c':
+ {
+ int cpuflags = av_get_cpu_flags();
+
+ if (av_parse_cpu_caps(&cpuflags, optarg) < 0)
+ return 1;
+
+ av_force_cpu_flags(cpuflags);
+ break;
+ }
+ }
+ }
+ if (!seeded)
+ seed = av_get_random_seed();
+
+ av_log(NULL, AV_LOG_INFO, "float_dsp-test: %s %u\n", seeded ? "seed" : "random seed", seed);
+
+ fdsp = avpriv_float_dsp_alloc(1);
+ av_force_cpu_flags(0);
+ cdsp = avpriv_float_dsp_alloc(1);
+
+ if (!fdsp || !cdsp) {
+ ret = 1;
+ goto end;
+ }
+
+ av_lfg_init(&lfg, seed);
+
+ fill_float_array(&lfg, src0, LEN);
+ fill_float_array(&lfg, src1, LEN);
+ fill_float_array(&lfg, src2, LEN);
+
+ fill_double_array(&lfg, dbl_src0, LEN);
+ fill_double_array(&lfg, dbl_src1, LEN);
+
+ if (test_vector_fmul(fdsp, cdsp, src0, src1))
+ ret -= 1 << 0;
+ if (test_vector_fmac_scalar(fdsp, cdsp, src2, src0, src1[0]))
+ ret -= 1 << 1;
+ if (test_vector_fmul_scalar(fdsp, cdsp, src0, src1[0]))
+ ret -= 1 << 2;
+ if (test_vector_fmul_window(fdsp, cdsp, src0, src1, src2))
+ ret -= 1 << 3;
+ if (test_vector_fmul_add(fdsp, cdsp, src0, src1, src2))
+ ret -= 1 << 4;
+ if (test_vector_fmul_reverse(fdsp, cdsp, src0, src1))
+ ret -= 1 << 5;
+ if (test_butterflies_float(fdsp, cdsp, src0, src1))
+ ret -= 1 << 6;
+ if (test_scalarproduct_float(fdsp, cdsp, src0, src1))
+ ret -= 1 << 7;
+ if (test_vector_dmul_scalar(fdsp, cdsp, dbl_src0, dbl_src1[0]))
+ ret -= 1 << 8;
+
+end:
+ av_freep(&fdsp);
+ av_freep(&cdsp);
+ return ret;
+}
View Lorry Controller Status