mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-07 11:13:41 +02:00
e7866e00c8
Only sub_media_pred has an MMXEXT version, so one can use the version with the stricter check (that checks that the MMX registers have not been clobbered) for sub_left_predict. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
|
|
* 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");
|
|
}
|