X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmotion-test.c;h=7ac5cc7d4a581b14aff4696a8680fa3075e86111;hb=94d47382e0558d05e4ba2dd2e3717405d2a703ad;hp=883dd56cc41b9047ad624b330fe44759f275e42b;hpb=bcbd6603dd805e9a56c90493a6a84a96d1066b05;p=ffmpeg

diff --git a/libavcodec/motion-test.c b/libavcodec/motion-test.c
index 883dd56cc41..7ac5cc7d4a5 100644
--- a/libavcodec/motion-test.c
+++ b/libavcodec/motion-test.c
@@ -1,25 +1,25 @@
 /*
  * (c) 2001 Fabrice Bellard
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file motion_test.c
+ * @file
  * motion test.
  */
 
@@ -29,54 +29,42 @@
 #include <sys/time.h>
 #include <unistd.h>
 
+#include "config.h"
 #include "dsputil.h"
-
-#include "i386/mmx.h"
+#include "libavutil/lfg.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)
+static void fill_random(uint8_t *tab, int size)
 {
     int i;
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
     for(i=0;i<size;i++) {
 #if 1
-        tab[i] = random() % 256;
+        tab[i] = av_lfg_get(&prng) % 256;
 #else
         tab[i] = i;
 #endif
     }
 }
 
-void help(void)
+static void help(void)
 {
     printf("motion-test [-h]\n"
            "test motion implementations\n");
     exit(1);
 }
 
-int64_t gettime(void)
+static int64_t gettime(void)
 {
     struct timeval tv;
     gettimeofday(&tv,NULL);
@@ -87,8 +75,8 @@ int64_t gettime(void)
 
 int dummy;
 
-void test_motion(const char *name,
-                 motion_func *test_func, motion_func *ref_func)
+static void test_motion(const char *name,
+                 me_cmp_func test_func, me_cmp_func ref_func)
 {
     int x, y, d1, d2, it;
     uint8_t *ptr;
@@ -104,8 +92,8 @@ void test_motion(const char *name,
         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);
+                d1 = test_func(NULL, img1, ptr, WIDTH, 1);
+                d2 = ref_func(NULL, img1, ptr, WIDTH, 1);
                 if (d1 != d2) {
                     printf("error: mmx=%d c=%d\n", d1, d2);
                 }
@@ -121,12 +109,12 @@ void test_motion(const char *name,
         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);
+                d1 += test_func(NULL, img1, ptr, WIDTH, 1);
             }
         }
     }
     emms_c();
-    dummy = d1; /* avoid optimisation */
+    dummy = d1; /* avoid optimization */
     ti = gettime() - ti;
 
     printf("  %0.0f kop/s\n",
@@ -137,7 +125,11 @@ void test_motion(const char *name,
 
 int main(int argc, char **argv)
 {
+    AVCodecContext *ctx;
     int c;
+    DSPContext cctx, mmxctx;
+    int flags[2] = { AV_CPU_FLAG_MMX, AV_CPU_FLAG_MMX2 };
+    int flags_size = HAVE_MMX2 ? 2 : 1;
 
     for(;;) {
         c = getopt(argc, argv, "h");
@@ -152,9 +144,24 @@ int main(int argc, char **argv)
 
     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);
+    ctx = avcodec_alloc_context3(NULL);
+    ctx->dsp_mask = AV_CPU_FLAG_FORCE;
+    dsputil_init(&cctx, ctx);
+    for (c = 0; c < flags_size; c++) {
+        int x;
+        ctx->dsp_mask = AV_CPU_FLAG_FORCE | flags[c];
+        dsputil_init(&mmxctx, ctx);
+
+        for (x = 0; x < 2; x++) {
+            printf("%s for %dx%d pixels\n", c ? "mmx2" : "mmx",
+                   x ? 8 : 16, x ? 8 : 16);
+            test_motion("mmx",     mmxctx.pix_abs[x][0], cctx.pix_abs[x][0]);
+            test_motion("mmx_x2",  mmxctx.pix_abs[x][1], cctx.pix_abs[x][1]);
+            test_motion("mmx_y2",  mmxctx.pix_abs[x][2], cctx.pix_abs[x][2]);
+            test_motion("mmx_xy2", mmxctx.pix_abs[x][3], cctx.pix_abs[x][3]);
+        }
+    }
+    av_free(ctx);
+
     return 0;
 }