checkasm: add an exrdsp test

Signed-off-by: James Almer <jamrial@gmail.com>

tests/checkasm/Makefile

@@ -18,6 +18,7 @@ AVCODECOBJS-$(CONFIG_AAC_DECODER)       += aacpsdsp.o \
                                            sbrdsp.o
 AVCODECOBJS-$(CONFIG_ALAC_DECODER)      += alacdsp.o
 AVCODECOBJS-$(CONFIG_DCA_DECODER)       += synth_filter.o
+AVCODECOBJS-$(CONFIG_EXR_DECODER)       += exrdsp.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

@@ -92,6 +92,9 @@ static const struct {
     #if CONFIG_DCA_DECODER
         { "synth_filter", checkasm_check_synth_filter },
     #endif
+    #if CONFIG_EXR_DECODER
+        { "exrdsp", checkasm_check_exrdsp },
+    #endif
     #if CONFIG_FLACDSP
         { "flacdsp", checkasm_check_flacdsp },
     #endif

tests/checkasm/checkasm.h

@@ -46,6 +46,7 @@ void checkasm_check_blend(void);
 void checkasm_check_blockdsp(void);
 void checkasm_check_bswapdsp(void);
 void checkasm_check_colorspace(void);
+void checkasm_check_exrdsp(void);
 void checkasm_check_fixed_dsp(void);
 void checkasm_check_flacdsp(void);
 void checkasm_check_float_dsp(void);

tests/checkasm/exrdsp.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2017 James Almer
+ *
+ * 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 "libavcodec/avcodec.h"
+#include "libavcodec/exrdsp.h"
+#include "libavutil/intreadwrite.h"
+
+#define BUF_SIZE 5120
+#define PADDED_BUF_SIZE BUF_SIZE+AV_INPUT_BUFFER_PADDING_SIZE*2
+
+#define randomize_buffers()                 \
+    do {                                    \
+        int i;                              \
+        for (i = 0; i < BUF_SIZE; i += 4) { \
+            uint32_t r = rnd();             \
+            AV_WN32A(src + i, r);           \
+        }                                   \
+    } while (0)
+
+static void check_reorder_pixels(void) {
+    LOCAL_ALIGNED_32(uint8_t, src,     [PADDED_BUF_SIZE]);
+    LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
+    LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
+
+    declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t size);
+
+    memset(src,     0, PADDED_BUF_SIZE);
+    memset(dst_ref, 0, PADDED_BUF_SIZE);
+    memset(dst_new, 0, PADDED_BUF_SIZE);
+    randomize_buffers();
+    call_ref(dst_ref, src, BUF_SIZE);
+    call_new(dst_new, src, BUF_SIZE);
+    if (memcmp(dst_ref, dst_new, BUF_SIZE))
+        fail();
+    bench_new(dst_new, src, BUF_SIZE);
+}
+
+void checkasm_check_exrdsp(void)
+{
+    ExrDSPContext h;
+
+    ff_exrdsp_init(&h);
+
+    if (check_func(h.reorder_pixels, "reorder_pixels"))
+        check_reorder_pixels();
+
+    report("reorder_pixels");
+}

tests/fate/checkasm.mak

@@ -3,6 +3,7 @@ FATE_CHECKASM = fate-checkasm-aacpsdsp                                  \
                 fate-checkasm-audiodsp                                  \
                 fate-checkasm-blockdsp                                  \
                 fate-checkasm-bswapdsp                                  \
+                fate-checkasm-exrdsp                                    \
                 fate-checkasm-fixed_dsp                                 \
                 fate-checkasm-flacdsp                                   \
                 fate-checkasm-float_dsp                                 \