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/*
* Copyright (c) 2016 Alexandra Hájková
*
* 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/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
#include "libavcodec/lossless_videoencdsp.h"
#include "checkasm.h"
#define randomize_buffers(buf, size) \
do { \
int j; \
for (j = 0; j < size; j+=4) \
AV_WN32(buf + j, rnd()); \
} while (0)
static const struct {uint8_t w, h, s;} planes[] = {
{16,16,16}, {21,23,25}, {32,17,48}, {15,128,16}, {128,127,128}
};
#define MAX_STRIDE 128
#define MAX_HEIGHT 127
static void check_diff_bytes(LLVidEncDSPContext *c)
{
int i;
LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, src2, [MAX_STRIDE]);
LOCAL_ALIGNED_32(uint8_t, src3, [MAX_STRIDE]);
declare_func(void, uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, intptr_t w);
memset(dst0, 0, MAX_STRIDE);
memset(dst1, 0, MAX_STRIDE);
randomize_buffers(src0, MAX_STRIDE);
memcpy(src1, src0, MAX_STRIDE);
randomize_buffers(src2, MAX_STRIDE);
memcpy(src3, src2, MAX_STRIDE);
if (check_func(c->diff_bytes, "diff_bytes")) {
for (i = 0; i < 5; i ++) {
call_ref(dst0, src0, src2, planes[i].w);
call_new(dst1, src1, src3, planes[i].w);
if (memcmp(dst0, dst1, planes[i].w))
fail();
}
bench_new(dst1, src0, src2, planes[4].w);
}
}
static void check_sub_left_pred(LLVidEncDSPContext *c)
{
int i;
LOCAL_ALIGNED_32(uint8_t, dst0, [MAX_STRIDE * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT]);
LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT]);
declare_func(void, uint8_t *dst, const uint8_t *src,
ptrdiff_t stride, ptrdiff_t width, int height);
memset(dst0, 0, MAX_STRIDE * MAX_HEIGHT);
memset(dst1, 0, MAX_STRIDE * MAX_HEIGHT);
randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT);
if (check_func(c->sub_left_predict, "sub_left_predict")) {
for (i = 0; i < 5; i ++) {
call_ref(dst0, src0, planes[i].s, planes[i].w, planes[i].h);
call_new(dst1, src1, planes[i].s, planes[i].w, planes[i].h);
if (memcmp(dst0, dst1, planes[i].w * planes[i].h))
fail();
break;
}
bench_new(dst1, src0, planes[4].s, planes[4].w, planes[4].h);
}
}
void checkasm_check_llviddspenc(void)
{
LLVidEncDSPContext c;
ff_llvidencdsp_init(&c);
check_diff_bytes(&c);
report("diff_bytes");
check_sub_left_pred(&c);
report("sub_left_predict");
}
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