checkasm/mpegvideoencdsp: add pix_sum, pix_norm1, and draw_edges

1 files changed, 147 insertions, 0 deletions

diff --git a/tests/checkasm/mpegvideoencdsp.c b/tests/checkasm/mpegvideoencdsp.c
new file mode 100644
index 0000000000..9d000b93a6
--- /dev/null
+++ b/tests/checkasm/mpegvideoencdsp.c
@@ -0,0 +1,147 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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 "libavutil/intreadwrite.h"
+#include "libavutil/mem.h"
+#include "libavutil/mem_internal.h"
+
+#include "libavcodec/mpegvideoencdsp.h"
+
+#include "checkasm.h"
+
+#define randomize_buffers(buf, size)      \
+    do {                                  \
+        for (int j = 0; j < size; j += 4) \
+            AV_WN32(buf + j, rnd());      \
+    } while (0)
+
+static void check_pix_sum(MpegvideoEncDSPContext *c)
+{
+    LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
+
+    declare_func(int, const uint8_t *pix, int line_size);
+
+    randomize_buffers(src, 16 * 16);
+
+    for (int n = 0; n < 2; n++) {
+        const char *negstride_str = n ? "_negstride" : "";
+        if (check_func(c->pix_sum, "pix_sum%s", negstride_str)) {
+            int sum0, sum1;
+            const uint8_t *pix = src + (n ? (15 * 16) : 0);
+            int line_size = 16 * (n ? -1 : 1);
+            sum0 = call_ref(pix, line_size);
+            sum1 = call_new(pix, line_size);
+            if (sum0 != sum1)
+                fail();
+            bench_new(pix, line_size);
+        }
+    }
+}
+
+static void check_pix_norm1(MpegvideoEncDSPContext *c)
+{
+    LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
+
+    declare_func(int, const uint8_t *pix, int line_size);
+
+    randomize_buffers(src, 16 * 16);
+
+    for (int n = 0; n < 2; n++) {
+        const char *negstride_str = n ? "_negstride" : "";
+        if (check_func(c->pix_norm1, "pix_norm1%s", negstride_str)) {
+            int sum0, sum1;
+            const uint8_t *pix = src + (n ? (15 * 16) : 0);
+            int line_size = 16 * (n ? -1 : 1);
+            sum0 = call_ref(pix, line_size);
+            sum1 = call_new(pix, line_size);
+            if (sum0 != sum1)
+                fail();
+            bench_new(pix, line_size);
+        }
+    }
+}
+
+#define NUM_LINES 4
+#define MAX_LINE_SIZE 1920
+#define EDGE_WIDTH 16
+#define LINESIZE (EDGE_WIDTH + MAX_LINE_SIZE + EDGE_WIDTH)
+#define BUFSIZE ((EDGE_WIDTH + NUM_LINES + EDGE_WIDTH) * LINESIZE)
+
+static void check_draw_edges(MpegvideoEncDSPContext *c)
+{
+    static const int input_sizes[] = {8, 128, 1080, MAX_LINE_SIZE, -MAX_LINE_SIZE};
+    LOCAL_ALIGNED_16(uint8_t, buf0, [BUFSIZE]);
+    LOCAL_ALIGNED_16(uint8_t, buf1, [BUFSIZE]);
+
+    declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *buf, int wrap, int width, int height,
+                                             int w, int h, int sides);
+
+    for (int isi = 0; isi < FF_ARRAY_ELEMS(input_sizes); isi++) {
+        int input_size = input_sizes[isi];
+        int negstride = input_size < 0;
+        const char *negstride_str = negstride ? "_negstride" : "";
+        int width = FFABS(input_size);
+        int linesize = EDGE_WIDTH + width + EDGE_WIDTH;
+        /* calculate height based on specified width to use the entire buffer. */
+        int height = (BUFSIZE / linesize) - (2 * EDGE_WIDTH);
+        uint8_t *dst0 = buf0 + EDGE_WIDTH * linesize + EDGE_WIDTH;
+        uint8_t *dst1 = buf1 + EDGE_WIDTH * linesize + EDGE_WIDTH;
+
+        if (negstride) {
+            dst0 += (height - 1) * linesize;
+            dst1 += (height - 1) * linesize;
+            linesize *= -1;
+        }
+
+        for (int shift = 0; shift < 3; shift++) {
+            int edge = EDGE_WIDTH >> shift;
+            if (check_func(c->draw_edges, "draw_edges_%d_%d_%d%s", width, height, edge, negstride_str)) {
+                randomize_buffers(buf0, BUFSIZE);
+                memcpy(buf1, buf0, BUFSIZE);
+                call_ref(dst0, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
+                call_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
+                if (memcmp(buf0, buf1, BUFSIZE))
+                    fail();
+                bench_new(dst1, linesize, width, height, edge, edge, EDGE_BOTTOM | EDGE_TOP);
+            }
+        }
+    }
+}
+
+#undef NUM_LINES
+#undef MAX_LINE_SIZE
+#undef EDGE_WIDTH
+#undef LINESIZE
+#undef BUFSIZE
+
+void checkasm_check_mpegvideoencdsp(void)
+{
+    AVCodecContext avctx = {
+        .bits_per_raw_sample = 8,
+    };
+    MpegvideoEncDSPContext c = { 0 };
+
+    ff_mpegvideoencdsp_init(&c, &avctx);
+
+    check_pix_sum(&c);
+    report("pix_sum");
+    check_pix_norm1(&c);
+    report("pix_norm1");
+    check_draw_edges(&c);
+    report("draw_edges");
+}