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authorDiego Biurrun <diego@biurrun.de>2007-05-21 07:11:27 +0000
committerDiego Biurrun <diego@biurrun.de>2007-05-21 07:11:27 +0000
commit86c33b29d2079583d6805887c6519825151f1b0c (patch)
tree18f22a14353ee1dc19ae0f1739c76e8054f46fc6 /libavcodec/motion-test.c
parent14eb0a2ed1da9a4cdcf55f2d13eb80327fe2d925 (diff)
Rename motion_test.c to motion-test.c, which is the naming scheme used by all
other test programs. As a positive sideeffect, this makes the build system try to actually create the executable file. Originally committed as revision 9086 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/motion-test.c')
-rw-r--r--libavcodec/motion-test.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/libavcodec/motion-test.c b/libavcodec/motion-test.c
new file mode 100644
index 0000000000..ecdb62a4e1
--- /dev/null
+++ b/libavcodec/motion-test.c
@@ -0,0 +1,160 @@
+/*
+ * (c) 2001 Fabrice Bellard
+ *
+ * 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
+ */
+
+/**
+ * @file motion_test.c
+ * motion test.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/time.h>
+#include <unistd.h>
+
+#include "dsputil.h"
+
+#include "i386/mmx.h"
+
+#undef exit
+#undef printf
+
+int pix_abs16x16_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_c(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_x2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_x2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_x2_c(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_y2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_y2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_y2_c(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_xy2_mmx(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_xy2_mmx1(uint8_t *blk1, uint8_t *blk2, int lx);
+int pix_abs16x16_xy2_c(uint8_t *blk1, uint8_t *blk2, int lx);
+
+typedef int motion_func(uint8_t *blk1, uint8_t *blk2, int lx);
+
+#define WIDTH 64
+#define HEIGHT 64
+
+uint8_t img1[WIDTH * HEIGHT];
+uint8_t img2[WIDTH * HEIGHT];
+
+void fill_random(uint8_t *tab, int size)
+{
+ int i;
+ for(i=0;i<size;i++) {
+#if 1
+ tab[i] = random() % 256;
+#else
+ tab[i] = i;
+#endif
+ }
+}
+
+void help(void)
+{
+ printf("motion-test [-h]\n"
+ "test motion implementations\n");
+ exit(1);
+}
+
+int64_t gettime(void)
+{
+ struct timeval tv;
+ gettimeofday(&tv,NULL);
+ return (int64_t)tv.tv_sec * 1000000 + tv.tv_usec;
+}
+
+#define NB_ITS 500
+
+int dummy;
+
+void test_motion(const char *name,
+ motion_func *test_func, motion_func *ref_func)
+{
+ int x, y, d1, d2, it;
+ uint8_t *ptr;
+ int64_t ti;
+ printf("testing '%s'\n", name);
+
+ /* test correctness */
+ for(it=0;it<20;it++) {
+
+ fill_random(img1, WIDTH * HEIGHT);
+ fill_random(img2, WIDTH * HEIGHT);
+
+ for(y=0;y<HEIGHT-17;y++) {
+ for(x=0;x<WIDTH-17;x++) {
+ ptr = img2 + y * WIDTH + x;
+ d1 = test_func(img1, ptr, WIDTH);
+ d2 = ref_func(img1, ptr, WIDTH);
+ if (d1 != d2) {
+ printf("error: mmx=%d c=%d\n", d1, d2);
+ }
+ }
+ }
+ }
+ emms();
+
+ /* speed test */
+ ti = gettime();
+ d1 = 0;
+ for(it=0;it<NB_ITS;it++) {
+ for(y=0;y<HEIGHT-17;y++) {
+ for(x=0;x<WIDTH-17;x++) {
+ ptr = img2 + y * WIDTH + x;
+ d1 += test_func(img1, ptr, WIDTH);
+ }
+ }
+ }
+ emms();
+ dummy = d1; /* avoid optimisation */
+ ti = gettime() - ti;
+
+ printf(" %0.0f kop/s\n",
+ (double)NB_ITS * (WIDTH - 16) * (HEIGHT - 16) /
+ (double)(ti / 1000.0));
+}
+
+
+int main(int argc, char **argv)
+{
+ int c;
+
+ for(;;) {
+ c = getopt(argc, argv, "h");
+ if (c == -1)
+ break;
+ switch(c) {
+ case 'h':
+ help();
+ break;
+ }
+ }
+
+ printf("ffmpeg motion test\n");
+
+ test_motion("mmx", pix_abs16x16_mmx, pix_abs16x16_c);
+ test_motion("mmx_x2", pix_abs16x16_x2_mmx, pix_abs16x16_x2_c);
+ test_motion("mmx_y2", pix_abs16x16_y2_mmx, pix_abs16x16_y2_c);
+ test_motion("mmx_xy2", pix_abs16x16_xy2_mmx, pix_abs16x16_xy2_c);
+ return 0;
+}