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tests/checkasm/llviddspenc: Add test for sub_median_pred

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Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-12-10 15:28:06 +01:00
parent 3144652588
commit 56b8769a1c
1 changed files with 42 additions and 5 deletions
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47
tests/checkasm/llviddspenc.c
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@@ -28,11 +28,12 @@
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
int j; \
for (j = 0; j < size; j+=4) \
AV_WN32(buf + j, rnd()); \
#define randomize_buffers(buf, size) \
do { \
for (size_t j = 0; j < size & ~3; j += 4) \
AV_WN32(buf + j, rnd()); \
for (size_t j = 0; j < size; ++j) \
buf[j] = rnd(); \
} while (0)
static const struct {uint8_t w, h, s;} planes[] = {
@@ -73,6 +74,39 @@ static void check_diff_bytes(LLVidEncDSPContext *c)
}
}
static void check_sub_median_pred(LLVidEncDSPContext *c)
{
enum {
BUF_SIZE = MAX_STRIDE + 15 /* to test misalignment */
};
uint8_t dst_ref[BUF_SIZE], dst_new[BUF_SIZE];
uint8_t src1[BUF_SIZE], src2[BUF_SIZE];
declare_func_emms(AV_CPU_FLAG_MMXEXT, void, uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, intptr_t w,
int *left, int *left_top);
if (check_func(c->sub_median_pred, "sub_median_pred")) {
size_t width = 1 + rnd() % MAX_STRIDE;
size_t offset = rnd() & 0xF;
int left_ref = rnd() & 0xFF, top_ref = rnd() & 0xFF;
int left_new = left_ref, top_new = top_ref;
memset(dst_ref, 0, sizeof(dst_ref));
memset(dst_new, 0, sizeof(dst_new));
randomize_buffers(src1, sizeof(src1));
randomize_buffers(src2, sizeof(src2));
call_ref(dst_ref + offset, src1 + offset, src2 + offset, width, &left_ref, &top_ref);
call_new(dst_new + offset, src1 + offset, src2 + offset, width, &left_new, &top_new);
if (left_new != left_ref || top_ref != top_new ||
memcmp(dst_ref, dst_new, width + offset))
fail();
bench_new(dst_new, src1, src2, MAX_STRIDE, &left_new, &top_new);
}
}
static void check_sub_left_pred(LLVidEncDSPContext *c)
{
int i;
@@ -109,6 +143,9 @@ void checkasm_check_llviddspenc(void)
check_diff_bytes(&c);
report("diff_bytes");
check_sub_median_pred(&c);
report("sub_median_pred");
check_sub_left_pred(&c);
report("sub_left_predict");
}