checkasm/vf_eq: add test for vf_eq

Signed-off-by: Ting Fu <ting.fu@intel.com>
Signed-off-by: Ruiling Song <ruiling.song@intel.com>

libavfilter/vf_eq.c

@@ -174,12 +174,18 @@ static int set_expr(AVExpr **pexpr, const char *expr, const char *option, void *
     return 0;
 }
 
+void ff_eq_init(EQContext *eq)
+{
+    eq->process = process_c;
+    if (ARCH_X86)
+        ff_eq_init_x86(eq);
+}
+
 static int initialize(AVFilterContext *ctx)
 {
     EQContext *eq = ctx->priv;
     int ret;
-
-    eq->process = process_c;
+    ff_eq_init(eq);
 
     if ((ret = set_expr(&eq->contrast_pexpr,     eq->contrast_expr,     "contrast",     ctx)) < 0 ||
         (ret = set_expr(&eq->brightness_pexpr,   eq->brightness_expr,   "brightness",   ctx)) < 0 ||
@@ -191,9 +197,6 @@ static int initialize(AVFilterContext *ctx)
         (ret = set_expr(&eq->gamma_weight_pexpr, eq->gamma_weight_expr, "gamma_weight", ctx)) < 0 )
         return ret;
 
-    if (ARCH_X86)
-        ff_eq_init_x86(eq);
-
     if (eq->eval_mode == EVAL_MODE_INIT) {
         set_gamma(eq);
         set_contrast(eq);

libavfilter/vf_eq.h

@@ -100,6 +100,7 @@ typedef struct EQContext {
     enum EvalMode { EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB } eval_mode;
 } EQContext;
 
+void ff_eq_init(EQContext *eq);
 void ff_eq_init_x86(EQContext *eq);
 
 #endif /* AVFILTER_EQ_H */

tests/checkasm/Makefile

@@ -36,6 +36,7 @@ CHECKASMOBJS-$(CONFIG_AVCODEC)          += $(AVCODECOBJS-yes)
 AVFILTEROBJS-$(CONFIG_AFIR_FILTER) += af_afir.o
 AVFILTEROBJS-$(CONFIG_BLEND_FILTER) += vf_blend.o
 AVFILTEROBJS-$(CONFIG_COLORSPACE_FILTER) += vf_colorspace.o
+AVFILTEROBJS-$(CONFIG_EQ_FILTER)         += vf_eq.o
 AVFILTEROBJS-$(CONFIG_GBLUR_FILTER)      += vf_gblur.o
 AVFILTEROBJS-$(CONFIG_HFLIP_FILTER)      += vf_hflip.o
 AVFILTEROBJS-$(CONFIG_THRESHOLD_FILTER)  += vf_threshold.o

tests/checkasm/checkasm.c

@@ -165,6 +165,9 @@ static const struct {
     #if CONFIG_COLORSPACE_FILTER
         { "vf_colorspace", checkasm_check_colorspace },
     #endif
+    #if CONFIG_EQ_FILTER
+        { "vf_eq", checkasm_check_vf_eq },
+    #endif
     #if CONFIG_GBLUR_FILTER
         { "vf_gblur", checkasm_check_vf_gblur },
     #endif

tests/checkasm/checkasm.h

@@ -72,6 +72,7 @@ void checkasm_check_sw_rgb(void);
 void checkasm_check_utvideodsp(void);
 void checkasm_check_v210dec(void);
 void checkasm_check_v210enc(void);
+void checkasm_check_vf_eq(void);
 void checkasm_check_vf_gblur(void);
 void checkasm_check_vf_hflip(void);
 void checkasm_check_vf_threshold(void);

tests/checkasm/vf_eq.c

@@ -0,0 +1,79 @@
+/*
+ * 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/avfilter.h"
+#include "libavfilter/vf_eq.h"
+#include "libavutil/intreadwrite.h"
+
+#define WIDTH 256
+#define HEIGHT 256
+#define SRC_STRIDE 256
+#define PIXELS (WIDTH * HEIGHT)
+#define RANDOM_RANGE 80000
+#define SCALE 10000
+
+#define randomize_buffers(buf, size)      \
+    do {                                  \
+        int j;                            \
+        uint8_t *tmp_buf = (uint8_t *)buf;\
+        for (j = 0; j< size; j++)         \
+            tmp_buf[j] = rnd() & 0xFF;    \
+    } while (0)
+
+static void check_eq(void)
+{
+    LOCAL_ALIGNED_32(uint8_t, src,     [PIXELS]);
+    LOCAL_ALIGNED_32(uint8_t, dst_ref, [PIXELS]);
+    LOCAL_ALIGNED_32(uint8_t, dst_new, [PIXELS]);
+    int w = WIDTH;
+    int h = HEIGHT;
+    int src_stride = SRC_STRIDE;
+    int dst_stride = SRC_STRIDE;
+    EQParameters pa;
+    EQContext eq;
+    declare_func(void, EQParameters *param, uint8_t *dst, int dst_stride,
+                 const uint8_t *src, int src_stride, int w, int h);
+
+    double rand_contrast = (int)(rnd() % (RANDOM_RANGE * 2) - RANDOM_RANGE) /
+                           (SCALE * 1.0);
+    double rand_brightness = (int)(rnd() % (SCALE * 2) - SCALE) /
+                             (SCALE * 1.0);
+    pa.contrast = rand_contrast;
+    pa.brightness = rand_brightness;
+
+    memset(dst_ref, 0, PIXELS);
+    memset(dst_new, 0, PIXELS);
+    randomize_buffers(src, PIXELS);
+    ff_eq_init(&eq);
+
+    if (check_func(eq.process, "process")) {
+        call_ref(&pa, dst_ref, dst_stride, src, src_stride, w, h);
+        call_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
+        if (memcmp(dst_ref, dst_new, PIXELS))
+            fail();
+        bench_new(&pa, dst_new, dst_stride, src, src_stride, w, h);
+    }
+}
+
+void checkasm_check_vf_eq(void)
+{
+    check_eq();
+    report("eq");
+}

tests/fate/checkasm.mak

@@ -28,6 +28,7 @@ FATE_CHECKASM = fate-checkasm-aacpsdsp                                  \
                 fate-checkasm-v210enc                                   \
                 fate-checkasm-vf_blend                                  \
                 fate-checkasm-vf_colorspace                             \
+                fate-checkasm-vf_eq                                     \
                 fate-checkasm-vf_gblur                                  \
                 fate-checkasm-vf_hflip                                  \
                 fate-checkasm-vf_threshold                              \