checkasm: Add test for huffyuvdsp add_bytes

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

tests/checkasm/Makefile

@@ -4,6 +4,7 @@ AVCODECOBJS-$(CONFIG_AUDIODSP)          += audiodsp.o
 AVCODECOBJS-$(CONFIG_BLOCKDSP)          += blockdsp.o
 AVCODECOBJS-$(CONFIG_BSWAPDSP)          += bswapdsp.o
 AVCODECOBJS-$(CONFIG_FMTCONVERT)        += fmtconvert.o
+AVCODECOBJS-$(CONFIG_HUFFYUVDSP)        += huffyuvdsp.o
 AVCODECOBJS-$(CONFIG_H264DSP)           += h264dsp.o
 AVCODECOBJS-$(CONFIG_H264PRED)          += h264pred.o
 AVCODECOBJS-$(CONFIG_H264QPEL)          += h264qpel.o

tests/checkasm/checkasm.c

@@ -93,6 +93,9 @@ static const struct {
     { "hevc_mc", checkasm_check_hevc_mc },
     { "hevc_idct", checkasm_check_hevc_idct },
 #endif
+#if CONFIG_HUFFYUVDSP
+    { "huffyuvdsp", checkasm_check_huffyuvdsp },
+#endif
 #if CONFIG_V210_ENCODER
     { "v210enc", checkasm_check_v210enc },
 #endif

tests/checkasm/checkasm.h

@@ -41,6 +41,7 @@ void checkasm_check_h264pred(void);
 void checkasm_check_h264qpel(void);
 void checkasm_check_hevc_idct(void);
 void checkasm_check_hevc_mc(void);
+void checkasm_check_huffyuvdsp(void);
 void checkasm_check_synth_filter(void);
 void checkasm_check_v210enc(void);
 void checkasm_check_vp8dsp(void);

tests/checkasm/huffyuvdsp.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2016 Alexandra Hájková
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with Libav; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <string.h>
+
+#include "libavutil/common.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
+
+#include "libavcodec/huffyuvdsp.h"
+
+#include "checkasm.h"
+
+#define randomize_buffers(buf, size)     \
+    do {                                 \
+        int j;                           \
+        for (j = 0; j < size; j++)       \
+            buf[j] = rnd() & 0xFF;       \
+    } while (0)
+
+static void check_add_bytes(HuffYUVDSPContext c, int width)
+{
+    uint8_t *src0 = av_mallocz(width);
+    uint8_t *src1 = av_mallocz(width);
+    uint8_t *dst0 = av_mallocz(width);
+    uint8_t *dst1 = av_mallocz(width);
+    declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, int w);
+
+    if (!src0 || !src1 || !dst0 || !dst1)
+        fail();
+
+    randomize_buffers(src0, width);
+    memcpy(src1, src0, width);
+
+    if (check_func(c.add_bytes, "add_bytes")) {
+        call_ref(dst0, src0, width);
+        call_new(dst1, src1, width);
+        if (memcmp(dst0, dst1, width))
+            fail();
+        bench_new(dst1, src1, width);
+    }
+
+    av_free(src0);
+    av_free(src1);
+    av_free(dst0);
+    av_free(dst1);
+}
+
+void checkasm_check_huffyuvdsp(void)
+{
+    HuffYUVDSPContext c;
+    int width = 16 * av_clip(rnd(), 16, 128);
+
+    ff_huffyuvdsp_init(&c);
+
+    check_add_bytes(c, width);
+
+    report("add_bytes");
+}