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checkasm: Test more h264 idct variants 

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2017-08-29 23:23:12 +03:00
parent 3cae7f8b9b
commit 516c479172
1 changed files with 89 additions and 1 deletions
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90
tests/checkasm/h264dsp.c
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@ -22,6 +22,7 @@
#include "checkasm.h" #include "checkasm.h"
#include "libavcodec/avcodec.h" #include "libavcodec/avcodec.h"
#include "libavcodec/h264dsp.h" #include "libavcodec/h264dsp.h"
#include "libavcodec/h264data.h"
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/internal.h" #include "libavutil/internal.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
@ -223,10 +224,97 @@ static void check_idct(void)
} }
} }
} }
report("idct"); }
static void check_idct_multiple(void)
{
LOCAL_ALIGNED_16(uint8_t, dst_full, [16 * 16 * 2]);
LOCAL_ALIGNED_16(int16_t, coef_full, [16 * 16 * 2]);
LOCAL_ALIGNED_16(uint8_t, dst0, [16 * 16 * 2]);
LOCAL_ALIGNED_16(uint8_t, dst1, [16 * 16 * 2]);
LOCAL_ALIGNED_16(int16_t, coef0, [16 * 16 * 2]);
LOCAL_ALIGNED_16(int16_t, coef1, [16 * 16 * 2]);
LOCAL_ALIGNED_16(uint8_t, nnzc, [15 * 8]);
H264DSPContext h;
int bit_depth, i, y, func;
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const int *block_offset, int16_t *block, int stride, const uint8_t nnzc[15*8]);
for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
ff_h264dsp_init(&h, bit_depth, 1);
for (func = 0; func < 3; func++) {
void (*idct)(uint8_t *, const int *, int16_t *, int, const uint8_t[]) = NULL;
const char *name;
int sz = 4, intra = 0;
int block_offset[16] = { 0 };
switch (func) {
case 0:
idct = h.h264_idct_add16;
name = "h264_idct_add16";
break;
case 1:
idct = h.h264_idct_add16intra;
name = "h264_idct_add16intra";
intra = 1;
break;
case 2:
idct = h.h264_idct8_add4;
name = "h264_idct8_add4";
sz = 8;
break;
}
memset(nnzc, 0, 15 * 8);
memset(coef_full, 0, 16 * 16 * SIZEOF_COEF);
for (i = 0; i < 16 * 16; i += sz * sz) {
uint8_t src[8 * 8 * 2];
uint8_t dst[8 * 8 * 2];
int16_t coef[8 * 8 * 2];
int index = i / sz;
int block_y = (index / 16) * sz;
int block_x = index % 16;
int offset = (block_y * 16 + block_x) * SIZEOF_PIXEL;
int nnz = rnd() % 3;
randomize_buffers();
if (sz == 4)
dct4x4(coef, bit_depth);
else
dct8x8(coef, bit_depth);
for (y = 0; y < sz; y++)
memcpy(&dst_full[offset + y * 16 * SIZEOF_PIXEL],
&dst[PIXEL_STRIDE * y], sz * SIZEOF_PIXEL);
if (nnz > 1)
nnz = sz * sz;
memcpy(&coef_full[i * SIZEOF_COEF/sizeof(coef[0])],
coef, nnz * SIZEOF_COEF);
if (intra && nnz == 1)
nnz = 0;
nnzc[scan8[i / 16]] = nnz;
block_offset[i / 16] = offset;
}
if (check_func(idct, "%s_%dbpp", name, bit_depth)) {
memcpy(coef0, coef_full, 16 * 16 * SIZEOF_COEF);
memcpy(coef1, coef_full, 16 * 16 * SIZEOF_COEF);
memcpy(dst0, dst_full, 16 * 16 * SIZEOF_PIXEL);
memcpy(dst1, dst_full, 16 * 16 * SIZEOF_PIXEL);
call_ref(dst0, block_offset, coef0, 16 * SIZEOF_PIXEL, nnzc);
call_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
if (memcmp(dst0, dst1, 16 * 16 * SIZEOF_PIXEL) ||
memcmp(coef0, coef1, 16 * 16 * SIZEOF_COEF))
fail();
bench_new(dst1, block_offset, coef1, 16 * SIZEOF_PIXEL, nnzc);
}
}
}
} }
void checkasm_check_h264dsp(void) void checkasm_check_h264dsp(void)
{ {
check_idct(); check_idct();
check_idct_multiple();
report("idct");
} }