*/
#include "config.h"
-
+#include "attributes.h"
#include "float_dsp.h"
static void vector_fmul_c(float *dst, const float *src0, const float *src1,
}
}
-void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
+static void vector_fmul_add_c(float *dst, const float *src0, const float *src1,
+ const float *src2, int len){
+ int i;
+
+ for (i = 0; i < len; i++)
+ dst[i] = src0[i] * src1[i] + src2[i];
+}
+
+static void vector_fmul_reverse_c(float *dst, const float *src0,
+ const float *src1, int len)
+{
+ int i;
+
+ src1 += len-1;
+ for (i = 0; i < len; i++)
+ dst[i] = src0[i] * src1[-i];
+}
+
+static void butterflies_float_c(float *restrict v1, float *restrict v2,
+ int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ float t = v1[i] - v2[i];
+ v1[i] += v2[i];
+ v2[i] = t;
+ }
+}
+
+float avpriv_scalarproduct_float_c(const float *v1, const float *v2, int len)
+{
+ float p = 0.0;
+ int i;
+
+ for (i = 0; i < len; i++)
+ p += v1[i] * v2[i];
+
+ return p;
+}
+
+av_cold void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact)
{
fdsp->vector_fmul = vector_fmul_c;
fdsp->vector_fmac_scalar = vector_fmac_scalar_c;
fdsp->vector_fmul_scalar = vector_fmul_scalar_c;
fdsp->vector_dmul_scalar = vector_dmul_scalar_c;
fdsp->vector_fmul_window = vector_fmul_window_c;
+ fdsp->vector_fmul_add = vector_fmul_add_c;
+ fdsp->vector_fmul_reverse = vector_fmul_reverse_c;
+ fdsp->butterflies_float = butterflies_float_c;
+ fdsp->scalarproduct_float = avpriv_scalarproduct_float_c;
+
+ if (ARCH_AARCH64)
+ ff_float_dsp_init_aarch64(fdsp);
+ if (ARCH_ARM)
+ ff_float_dsp_init_arm(fdsp);
+ if (ARCH_PPC)
+ ff_float_dsp_init_ppc(fdsp, bit_exact);
+ if (ARCH_X86)
+ ff_float_dsp_init_x86(fdsp);
+}
+
+#ifdef TEST
+
+#include <float.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "cpu.h"
+#include "internal.h"
+#include "lfg.h"
+#include "log.h"
+#include "mem.h"
+#include "random_seed.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;
+}
-#if ARCH_ARM
- ff_float_dsp_init_arm(fdsp);
-#elif ARCH_PPC
- ff_float_dsp_init_ppc(fdsp, bit_exact);
-#elif ARCH_X86
- ff_float_dsp_init_x86(fdsp);
-#endif
+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;
+ 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]);
+
+ if (argc > 2 && !strcmp(argv[1], "-s"))
+ seed = strtoul(argv[2], NULL, 10);
+ else
+ seed = av_get_random_seed();
+
+ av_log(NULL, AV_LOG_INFO, "float_dsp-test: random seed %u\n", seed);
+
+ 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);
+
+ avpriv_float_dsp_init(&fdsp, 1);
+ av_set_cpu_flags_mask(0);
+ avpriv_float_dsp_init(&cdsp, 1);
+
+ 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;
+
+ return ret;
+}
+
+#endif /* TEST */
projects / ffmpeg / blobdiff