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tests/checkasm/mpegvideoencdsp: Add test for add_8x8basis

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-10-12 07:18:24 +02:00
parent 566e9032b1
commit ce499ebf96
1 changed files with 35 additions and 5 deletions
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40
tests/checkasm/mpegvideoencdsp.c
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@@ -16,20 +16,48 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "libavutil/mem_internal.h"
#include "libavcodec/mathops.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()); \
#define randomize_buffers(buf, size) \
do { \
for (int j = 0; j < size; j += 4) \
AV_WN32((char*)buf + j, rnd()); \
} while (0)
#define randomize_buffer_clipped(buf, min, max) \
do { \
for (size_t j = 0; j < FF_ARRAY_ELEMS(buf); ++j) \
buf[j] = rnd() % (max - min + 1) + min; \
} while (0)
static void check_add_8x8basis(MpegvideoEncDSPContext *c)
{
declare_func_emms(AV_CPU_FLAG_SSSE3, void, int16_t rem[64], const int16_t basis[64], int scale);
if (check_func(c->add_8x8basis, "add_8x8basis")) {
// FIXME: What are the actual ranges for these values?
int scale = sign_extend(rnd(), 12);
int16_t rem1[64];
int16_t rem2[64];
int16_t basis[64];
randomize_buffer_clipped(basis, -15760, 15760);
randomize_buffers(rem1, sizeof(rem1));
memcpy(rem2, rem1, sizeof(rem2));
call_ref(rem1, basis, scale);
call_new(rem2, basis, scale);
if (memcmp(rem1, rem2, sizeof(rem1)))
fail();
bench_new(rem1, basis, scale);
}
}
static void check_pix_sum(MpegvideoEncDSPContext *c)
{
LOCAL_ALIGNED_16(uint8_t, src, [16 * 16]);
@@ -144,4 +172,6 @@ void checkasm_check_mpegvideoencdsp(void)
report("pix_norm1");
check_draw_edges(&c);
report("draw_edges");
check_add_8x8basis(&c);
report("add_8x8basis");
}