checkasm : add test for huffyuvdsp add_int16

tests/checkasm/Makefile

@@ -19,6 +19,7 @@ AVCODECOBJS-$(CONFIG_AAC_DECODER)       += aacpsdsp.o \
 AVCODECOBJS-$(CONFIG_ALAC_DECODER)      += alacdsp.o
 AVCODECOBJS-$(CONFIG_DCA_DECODER)       += synth_filter.o
 AVCODECOBJS-$(CONFIG_EXR_DECODER)       += exrdsp.o
+AVCODECOBJS-$(CONFIG_HUFFYUV_DECODER)   += huffyuvdsp.o
 AVCODECOBJS-$(CONFIG_JPEG2000_DECODER)  += jpeg2000dsp.o
 AVCODECOBJS-$(CONFIG_PIXBLOCKDSP)       += pixblockdsp.o
 AVCODECOBJS-$(CONFIG_HEVC_DECODER)      += hevc_add_res.o hevc_idct.o

tests/checkasm/checkasm.c

@@ -117,6 +117,9 @@ static const struct {
         { "hevc_add_res", checkasm_check_hevc_add_res },
         { "hevc_idct", checkasm_check_hevc_idct },
     #endif
+    #if CONFIG_HUFFYUV_DECODER
+        { "huffyuvdsp", checkasm_check_huffyuvdsp },
+    #endif
     #if CONFIG_JPEG2000_DECODER
         { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
     #endif

tests/checkasm/checkasm.h

@@ -57,6 +57,7 @@ void checkasm_check_h264pred(void);
 void checkasm_check_h264qpel(void);
 void checkasm_check_hevc_add_res(void);
 void checkasm_check_hevc_idct(void);
+void checkasm_check_huffyuvdsp(void);
 void checkasm_check_jpeg2000dsp(void);
 void checkasm_check_llviddsp(void);
 void checkasm_check_pixblockdsp(void);

tests/checkasm/huffyuvdsp.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2016 Alexandra Hájková
+ *
+ * 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 "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() & 0xFFFF;       \
+    } while (0)
+
+static void check_add_int16(HuffYUVDSPContext c, unsigned mask, int width, const char * name)
+{
+    uint16_t *src0 = av_mallocz(width * sizeof(uint16_t));
+    uint16_t *src1 = av_mallocz(width * sizeof(uint16_t));
+    uint16_t *dst0 = av_mallocz(width * sizeof(uint16_t));
+    uint16_t *dst1 = av_mallocz(width * sizeof(uint16_t));
+
+    declare_func_emms(AV_CPU_FLAG_MMX, void, uint16_t *dst, uint16_t *src, unsigned mask, int w);
+
+    if (!src0 || !src1 || !dst0 || !dst1)
+        fail();
+
+    randomize_buffers(src0, width);
+    memcpy(src1, src0, width * sizeof(uint16_t));
+
+    if (check_func(c.add_int16, "%s", name)) {
+        call_ref(dst0, src0, mask, width);
+        call_new(dst1, src1, mask, width);
+        if (memcmp(dst0, dst1, width * sizeof(uint16_t)))
+            fail();
+        bench_new(dst1, src1, mask, 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, AV_PIX_FMT_YUV422P);
+
+    /*! test width not multiple of mmsize */
+    check_add_int16(c, 65535, width, "add_int16_rnd_width");
+    report("add_int16_rnd_width");
+
+    /*! test always with the same size (for perf test) */
+    check_add_int16(c, 65535, 16*128, "add_int16_128");
+    report("add_int16_128");
+}