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checkasm: h264dsp: test luma_dc_dequant

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Reviewed-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Tristan Matthews
2025-06-13 10:04:46 -04:00
committed by Michael Niedermayer
parent 5ea3adfcf9
commit 0d9f680b69
1 changed files with 37 additions and 0 deletions
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37
tests/checkasm/h264dsp.c
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@ -22,6 +22,7 @@
#include "checkasm.h" #include "checkasm.h"
#include "libavcodec/h264dsp.h" #include "libavcodec/h264dsp.h"
#include "libavcodec/h264data.h" #include "libavcodec/h264data.h"
#include "libavcodec/h264idct.h"
#include "libavcodec/h264_parse.h" #include "libavcodec/h264_parse.h"
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
@ -324,6 +325,41 @@ static void check_idct_multiple(void)
} }
} }
static void check_idct_dequant(void)
{
static const int depths[5] = { 8, 9, 10, 12, 14 };
LOCAL_ALIGNED_16(int16_t, src, [16]);
/* Ensure dst buffers are large enough to hold dctcoefs of all bit-depths. */
LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * sizeof(int32_t)]);
LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * sizeof(int32_t)]);
int16_t *dst_ref = (int16_t *)dst0;
int16_t *dst_new = (int16_t *)dst1;
H264DSPContext h;
int bit_depth, i, qmul;
declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_SSE2, void, int16_t *output, int16_t *input, int qmul);
for (int j = 0; j < 16; j++)
src[j] = (rnd() % 512) - 256;
qmul = rnd() % 4096;
for (i = 0; i < FF_ARRAY_ELEMS(depths); i++) {
bit_depth = depths[i];
ff_h264dsp_init(&h, bit_depth, 1);
memset(dst0, 0, 16 * 16 * SIZEOF_COEF);
memset(dst1, 0, 16 * 16 * SIZEOF_COEF);
if (check_func(h.h264_luma_dc_dequant_idct, "h264_luma_dc_dequant_idct_%d", bit_depth)) {
call_ref(dst_ref, src, qmul);
call_new(dst_new, src, qmul);
checkasm_check_dctcoef(dst_ref, 16*SIZEOF_COEF, dst_new, 16*SIZEOF_COEF, 16, 16, "dst");
bench_new(dst_new, src, qmul);
}
}
}
static void check_loop_filter(void) static void check_loop_filter(void)
{ {
@ -453,6 +489,7 @@ void checkasm_check_h264dsp(void)
{ {
check_idct(); check_idct();
check_idct_multiple(); check_idct_multiple();
check_idct_dequant();
report("idct"); report("idct");
check_loop_filter(); check_loop_filter();