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/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <string.h>
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/hevcdsp.h"
#include "checkasm.h"
static const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff };
#define SIZEOF_PIXEL ((bit_depth + 7) / 8)
#define BUF_STRIDE (8 * 2)
#define BUF_LINES (8)
#define BUF_OFFSET (BUF_STRIDE * BUF_LINES)
#define BUF_SIZE (BUF_STRIDE * BUF_LINES + BUF_OFFSET * 2)
#define randomize_buffers(buf0, buf1, size) \
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
int k; \
for (k = 0; k < size; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(buf0 + k, r); \
AV_WN32A(buf1 + k, r); \
} \
} while (0)
static void check_deblock_chroma(HEVCDSPContext h, int bit_depth)
{
int32_t tc[2] = { 0, 0 };
// no_p, no_q can only be { 0,0 } for the simpler assembly (non *_c
// variant) functions, see deblocking_filter_CTB() in hevc_filter.c
uint8_t no_p[2] = { 0, 0 };
uint8_t no_q[2] = { 0, 0 };
LOCAL_ALIGNED_32(uint8_t, buf0, [BUF_SIZE]);
LOCAL_ALIGNED_32(uint8_t, buf1, [BUF_SIZE]);
declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *pix, ptrdiff_t stride, int32_t *tc, uint8_t *no_p, uint8_t *no_q);
if (check_func(h.hevc_h_loop_filter_chroma, "hevc_h_loop_filter_chroma%d", bit_depth)) {
for (int i = 0; i < 4; i++) {
randomize_buffers(buf0, buf1, BUF_SIZE);
// see betatable[] in hevc_filter.c
tc[0] = (rnd() & 63) + (rnd() & 1);
tc[1] = (rnd() & 63) + (rnd() & 1);
call_ref(buf0 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
call_new(buf1 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
if (memcmp(buf0, buf1, BUF_SIZE))
fail();
}
bench_new(buf1 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
}
if (check_func(h.hevc_v_loop_filter_chroma, "hevc_v_loop_filter_chroma%d", bit_depth)) {
for (int i = 0; i < 4; i++) {
randomize_buffers(buf0, buf1, BUF_SIZE);
// see betatable[] in hevc_filter.c
tc[0] = (rnd() & 63) + (rnd() & 1);
tc[1] = (rnd() & 63) + (rnd() & 1);
call_ref(buf0 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
call_new(buf1 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
if (memcmp(buf0, buf1, BUF_SIZE))
fail();
}
bench_new(buf1 + BUF_OFFSET, BUF_STRIDE, tc, no_p, no_q);
}
}
void checkasm_check_hevc_deblock(void)
{
int bit_depth;
for (bit_depth = 8; bit_depth <= 12; bit_depth += 2) {
HEVCDSPContext h;
ff_hevc_dsp_init(&h, bit_depth);
check_deblock_chroma(h, bit_depth);
}
report("chroma");
}
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