early-access version 1432

externals/ffmpeg/tests/checkasm/vf_gblur.c

@@ -0,0 +1,66 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU 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 <string.h>
+#include "checkasm.h"
+#include "libavfilter/gblur.h"
+
+#define WIDTH 256
+#define HEIGHT 256
+#define PIXELS (WIDTH * HEIGHT)
+#define BUF_SIZE (PIXELS * 4)
+
+#define randomize_buffers(buf, size)             \
+    do {                                         \
+        int j;                                   \
+        float *tmp_buf = (float *)buf;           \
+        for (j = 0; j < size; j++)               \
+            tmp_buf[j] = (float)(rnd() & 0xFF); \
+    } while (0)
+
+void checkasm_check_vf_gblur(void)
+{
+    float *dst_ref = av_malloc(BUF_SIZE);
+    float *dst_new = av_malloc(BUF_SIZE);
+    int w = WIDTH;
+    int h = HEIGHT;
+    int steps = 2;
+    float nu = 0.101f;
+    float bscale = 1.112f;
+    GBlurContext s;
+
+    declare_func(void, float *dst, int w, int h, int steps, float nu, float bscale);
+
+    randomize_buffers(dst_ref, PIXELS);
+    memcpy(dst_new, dst_ref, BUF_SIZE);
+
+    ff_gblur_init(&s);
+
+    if (check_func(s.horiz_slice, "horiz_slice")) {
+        call_ref(dst_ref, w, h, steps, nu, bscale);
+        call_new(dst_new, w, h, steps, nu, bscale);
+
+        if (!float_near_abs_eps_array(dst_ref, dst_new, 0.01f, PIXELS)) {
+            fail();
+        }
+        bench_new(dst_new, w, h, 1, nu, bscale);
+    }
+    report("horiz_slice");
+    av_freep(&dst_ref);
+    av_freep(&dst_new);
+}