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checkasm: Add unit tests for h264qpel

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Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
Henrik Gramner 2015-07-13 23:11:25 +02:00 committed by Luca Barbato
parent 4512ee78e1
commit 2cb34f82b9
4 changed files with 85 additions and 0 deletions
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1
tests/checkasm/Makefile
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@ -1,5 +1,6 @@
# libavcodec tests
AVCODECOBJS-$(CONFIG_H264PRED) += h264pred.o
AVCODECOBJS-$(CONFIG_H264QPEL) += h264qpel.o
CHECKASMOBJS-$(CONFIG_AVCODEC) += $(AVCODECOBJS-yes)

3
tests/checkasm/checkasm.c
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@ -56,6 +56,9 @@
static void (* const tests[])(void) = {
#if CONFIG_H264PRED
checkasm_check_h264pred,
#endif
#if CONFIG_H264QPEL
checkasm_check_h264qpel,
#endif
NULL
};

1
tests/checkasm/checkasm.h
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@ -30,6 +30,7 @@
#include "libavutil/timer.h"
void checkasm_check_h264pred(void);
void checkasm_check_h264qpel(void);
intptr_t (*checkasm_check_func(intptr_t (*func)(), const char *name, ...))() av_printf_format(2, 3);
int checkasm_bench_func(void);

80
tests/checkasm/h264qpel.c Normal file
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@ -0,0 +1,80 @@
/*
* Copyright (c) 2015 Henrik Gramner
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Libav 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with Libav; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#include "checkasm.h"
#include "libavcodec/h264qpel.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
#define BUF_SIZE (2*16*(16+3+4))
#define randomize_buffers()\
do {\
uint32_t mask = pixel_mask[bit_depth-8];\
int k;\
for (k = 0; k < BUF_SIZE; k += 4) {\
uint32_t r = rnd() & mask;\
AV_WN32A(buf0+k, r);\
AV_WN32A(buf1+k, r);\
r = rnd();\
AV_WN32A(dst0+k, r);\
AV_WN32A(dst1+k, r);\
}\
} while (0)
#define src0 (buf0 + 3*2*16) /* h264qpel functions read data from negative src pointer offsets */
#define src1 (buf1 + 3*2*16)
void checkasm_check_h264qpel(void)
{
DECLARE_ALIGNED(16, uint8_t, buf0)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, buf1)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, dst0)[BUF_SIZE];
DECLARE_ALIGNED(16, uint8_t, dst1)[BUF_SIZE];
H264QpelContext h;
int op, bit_depth, i, j;
for (op = 0; op < 2; op++) {
qpel_mc_func (*tab)[16] = op ? h.avg_h264_qpel_pixels_tab : h.put_h264_qpel_pixels_tab;
const char *op_name = op ? "avg" : "put";
for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
ff_h264qpel_init(&h, bit_depth);
for (i = 0; i < (op ? 3 : 4); i++) {
int size = 16 >> i;
for (j = 0; j < 16; j++) {
if (check_func(tab[i][j], "%s_h264_qpel_%d_mc%d%d_%d", op_name, size, j&3, j>>2, bit_depth)) {
randomize_buffers();
call_ref(dst0, src0, (ptrdiff_t)size*SIZEOF_PIXEL);
call_new(dst1, src1, (ptrdiff_t)size*SIZEOF_PIXEL);
if (memcmp(buf0, buf1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))
fail();
bench_new(dst1, src1, (ptrdiff_t)size*SIZEOF_PIXEL);
}
}
}
}
report("%s_h264_qpel", op_name);
}
}