checkasm : add test for losslessvideoencdsp for diff bytes and sub_left_pred

1 files changed, 114 insertions, 0 deletions

diff --git a/tests/checkasm/llviddspenc.c b/tests/checkasm/llviddspenc.c
new file mode 100644
index 0000000000..31eafd5526
--- /dev/null
+++ b/tests/checkasm/llviddspenc.c
@@ -0,0 +1,114 @@
+/*
+ * 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/lossless_videoencdsp.h"
+
+#include "checkasm.h"
+
+#define randomize_buffers(buf, size)      \
+    do {                                  \
+        int j;                            \
+        for (j = 0; j < size; j+=4)       \
+            AV_WN32(buf + j, rnd());      \
+    } while (0)
+
+static const struct {uint8_t w, h, s;} planes[] = {
+    {16,16,16}, {21,23,25}, {32,17,48}, {15,128,16}, {128,127,128}
+};
+
+#define MAX_STRIDE 128
+#define MAX_HEIGHT 127
+
+static void check_diff_bytes(LLVidEncDSPContext *c)
+{
+    int i;
+    LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
+    LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
+    LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
+    LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
+    LOCAL_ALIGNED_32(uint8_t, src2, [MAX_STRIDE]);
+    LOCAL_ALIGNED_32(uint8_t, src3, [MAX_STRIDE]);
+
+    declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const uint8_t *src1,
+                      const uint8_t *src2, intptr_t w);
+
+    memset(dst0, 0, MAX_STRIDE);
+    memset(dst1, 0, MAX_STRIDE);
+    randomize_buffers(src0, MAX_STRIDE);
+    memcpy(src1, src0, MAX_STRIDE);
+    randomize_buffers(src2, MAX_STRIDE);
+    memcpy(src3, src2, MAX_STRIDE);
+
+    if (check_func(c->diff_bytes, "diff_bytes")) {
+        for (i = 0; i < 5; i ++) {
+            call_ref(dst0, src0, src2, planes[i].w);
+            call_new(dst1, src1, src3, planes[i].w);
+            if (memcmp(dst0, dst1, planes[i].w))
+                fail();
+        }
+        bench_new(dst1, src0, src2, planes[4].w);
+    }
+}
+
+static void check_sub_left_pred(LLVidEncDSPContext *c)
+{
+    int i;
+    LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE * MAX_HEIGHT]);
+    LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE * MAX_HEIGHT]);
+    LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT]);
+    LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT]);
+
+    declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const uint8_t *src,
+                      ptrdiff_t stride, ptrdiff_t width, int height);
+
+    memset(dst0, 0, MAX_STRIDE * MAX_HEIGHT);
+    memset(dst1, 0, MAX_STRIDE * MAX_HEIGHT);
+    randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
+    memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT);
+
+    if (check_func(c->sub_left_predict, "sub_left_predict")) {
+        for (i = 0; i < 5; i ++) {
+            call_ref(dst0, src0, planes[i].s, planes[i].w, planes[i].h);
+            call_new(dst1, src1, planes[i].s, planes[i].w, planes[i].h);
+            if (memcmp(dst0, dst1, planes[i].w * planes[i].h))
+                fail();
+            break;
+        }
+        bench_new(dst1, src0, planes[4].s, planes[4].w, planes[4].h);
+    }
+}
+
+void checkasm_check_llviddspenc(void)
+{
+    LLVidEncDSPContext c;
+    ff_llvidencdsp_init(&c);
+
+    check_diff_bytes(&c);
+    report("diff_bytes");
+
+    check_sub_left_pred(&c);
+    report("sub_left_predict");
+}