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-rw-r--r--tests/checkasm/vf_blend.c131
1 files changed, 131 insertions, 0 deletions
diff --git a/tests/checkasm/vf_blend.c b/tests/checkasm/vf_blend.c
new file mode 100644
index 0000000000..be65730452
--- /dev/null
+++ b/tests/checkasm/vf_blend.c
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2016 Tiancheng "Timothy" Gu
+ *
+ * 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/blend.h"
+#include "libavutil/common.h"
+#include "libavutil/internal.h"
+#include "libavutil/intreadwrite.h"
+
+#define WIDTH 256
+#define HEIGHT 256
+#define BUF_UNITS 3
+#define SIZE_PER_UNIT (WIDTH * HEIGHT)
+#define BUF_SIZE (BUF_UNITS * SIZE_PER_UNIT)
+
+#define randomize_buffers() \
+ do { \
+ int i, j; \
+ for (i = 0; i < HEIGHT; i++) { \
+ for (j = 0; j < WIDTH; j++) { \
+ top1[i * WIDTH + j] = \
+ top2[i * WIDTH + j] = i; \
+ bot1[i * WIDTH + j] = \
+ bot2[i * WIDTH + j] = j; \
+ } \
+ } \
+ for (i = 0; i < SIZE_PER_UNIT; i += 4) { \
+ uint32_t r = rnd(); \
+ AV_WN32A(dst1 + i, r); \
+ AV_WN32A(dst2 + i, r); \
+ } \
+ for (; i < BUF_SIZE; i += 4) { \
+ uint32_t r = rnd(); \
+ AV_WN32A(top1 + i, r); \
+ AV_WN32A(top2 + i, r); \
+ r = rnd(); \
+ AV_WN32A(bot1 + i, r); \
+ AV_WN32A(bot2 + i, r); \
+ r = rnd(); \
+ AV_WN32A(dst1 + i, r); \
+ AV_WN32A(dst2 + i, r); \
+ } \
+ } while (0)
+
+#define check_blend_func() \
+ do { \
+ int i; \
+ declare_func(void, const uint8_t *top, ptrdiff_t top_linesize, \
+ const uint8_t *bottom, ptrdiff_t bottom_linesize, \
+ uint8_t *dst, ptrdiff_t dst_linesize, \
+ ptrdiff_t width, ptrdiff_t height, \
+ struct FilterParams *param, double *values); \
+ \
+ for (i = 0; i < BUF_UNITS - 1; i++) { \
+ int src_offset = i * SIZE_PER_UNIT + i; /* Test various alignments */ \
+ int dst_offset = i * SIZE_PER_UNIT; /* dst must be aligned */ \
+ randomize_buffers(); \
+ call_ref(top1 + src_offset, WIDTH, bot1 + src_offset, WIDTH, \
+ dst1 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL); \
+ call_new(top2 + src_offset, WIDTH, bot2 + src_offset, WIDTH, \
+ dst2 + dst_offset, WIDTH, WIDTH, HEIGHT, &param, NULL); \
+ if (memcmp(top1, top2, BUF_SIZE) || memcmp(bot1, bot2, BUF_SIZE) || memcmp(dst1, dst2, BUF_SIZE)) \
+ fail(); \
+ } \
+ bench_new(top2, WIDTH / 4, bot2, WIDTH / 4, dst2, WIDTH / 4, \
+ WIDTH / 4, HEIGHT / 4, &param, NULL); \
+ } while (0)
+
+void checkasm_check_blend(void)
+{
+ uint8_t *top1 = av_malloc(BUF_SIZE);
+ uint8_t *top2 = av_malloc(BUF_SIZE);
+ uint8_t *bot1 = av_malloc(BUF_SIZE);
+ uint8_t *bot2 = av_malloc(BUF_SIZE);
+ uint8_t *dst1 = av_malloc(BUF_SIZE);
+ uint8_t *dst2 = av_malloc(BUF_SIZE);
+ FilterParams param = {
+ .opacity = 1.0,
+ };
+
+#define check_and_report(name, val) \
+ param.mode = val; \
+ ff_blend_init(&param, 0); \
+ if (check_func(param.blend, #name)) \
+ check_blend_func();
+
+ check_and_report(addition, BLEND_ADDITION)
+ check_and_report(grainmerge, BLEND_GRAINMERGE)
+ check_and_report(and, BLEND_AND)
+ check_and_report(average, BLEND_AVERAGE)
+ check_and_report(darken, BLEND_DARKEN)
+ check_and_report(grainextract, BLEND_GRAINEXTRACT)
+ check_and_report(hardmix, BLEND_HARDMIX)
+ check_and_report(lighten, BLEND_LIGHTEN)
+ check_and_report(multiply, BLEND_MULTIPLY)
+ check_and_report(or, BLEND_OR)
+ check_and_report(phoenix, BLEND_PHOENIX)
+ check_and_report(screen, BLEND_SCREEN)
+ check_and_report(subtract, BLEND_SUBTRACT)
+ check_and_report(xor, BLEND_XOR)
+ check_and_report(difference, BLEND_DIFFERENCE)
+ check_and_report(extremity, BLEND_EXTREMITY)
+ check_and_report(negation, BLEND_NEGATION)
+
+ report("8bit");
+
+ av_freep(&top1);
+ av_freep(&top2);
+ av_freep(&bot1);
+ av_freep(&bot2);
+ av_freep(&dst1);
+ av_freep(&dst2);
+}