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avfilter/vf_hflip: Move ff_hflip_init into a header 

This removes a dependency of checkasm on lavfi/vf_hflip.o
and also allows to inline ff_hflip_init() irrespectively of
interposing.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-05-03 07:21:52 +02:00
parent 24936a9fbb
commit fbe4e825d8
4 changed files with 112 additions and 88 deletions
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1
libavfilter/hflip.h
View File

@ -34,7 +34,6 @@ typedef struct FlipContext {
void (*flip_line[4])(const uint8_t *src, uint8_t *dst, int w);
} FlipContext;
int ff_hflip_init(FlipContext *s, int step[4], int nb_planes);
void ff_hflip_init_x86(FlipContext *s, int step[4], int nb_planes);
#endif /* AVFILTER_HFLIP_H */

88
libavfilter/vf_hflip.c
View File

@ -31,6 +31,7 @@
#include "formats.h"
#include "hflip.h"
#include "internal.h"
#include "vf_hflip_init.h"
#include "video.h"
#include "libavutil/pixdesc.h"
#include "libavutil/internal.h"
@ -61,70 +62,6 @@ static int query_formats(AVFilterContext *ctx)
return ff_set_common_formats(ctx, pix_fmts);
}
static void hflip_byte_c(const uint8_t *src, uint8_t *dst, int w)
{
int j;
for (j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_short_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint16_t *src = (const uint16_t *)ssrc;
uint16_t *dst = (uint16_t *)ddst;
int j;
for (j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_dword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint32_t *src = (const uint32_t *)ssrc;
uint32_t *dst = (uint32_t *)ddst;
int j;
for (j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_b24_c(const uint8_t *src, uint8_t *dst, int w)
{
const uint8_t *in = src;
uint8_t *out = dst;
int j;
for (j = 0; j < w; j++, out += 3, in -= 3) {
int32_t v = AV_RB24(in);
AV_WB24(out, v);
}
}
static void hflip_b48_c(const uint8_t *src, uint8_t *dst, int w)
{
const uint8_t *in = src;
uint8_t *out = dst;
int j;
for (j = 0; j < w; j++, out += 6, in -= 6) {
int64_t v = AV_RB48(in);
AV_WB48(out, v);
}
}
static void hflip_qword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint64_t *src = (const uint64_t *)ssrc;
uint64_t *dst = (uint64_t *)ddst;
int j;
for (j = 0; j < w; j++)
dst[j] = src[-j];
}
static int config_props(AVFilterLink *inlink)
{
FlipContext *s = inlink->dst->priv;
@ -145,29 +82,6 @@ static int config_props(AVFilterLink *inlink)
return ff_hflip_init(s, s->max_step, nb_planes);
}
int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
{
int i;
for (i = 0; i < nb_planes; i++) {
step[i] *= s->bayer_plus1;
switch (step[i]) {
case 1: s->flip_line[i] = hflip_byte_c; break;
case 2: s->flip_line[i] = hflip_short_c; break;
case 3: s->flip_line[i] = hflip_b24_c; break;
case 4: s->flip_line[i] = hflip_dword_c; break;
case 6: s->flip_line[i] = hflip_b48_c; break;
case 8: s->flip_line[i] = hflip_qword_c; break;
default:
return AVERROR_BUG;
}
}
if (ARCH_X86)
ff_hflip_init_x86(s, step, nb_planes);
return 0;
}
typedef struct ThreadData {
AVFrame *in, *out;
} ThreadData;

110
libavfilter/vf_hflip_init.h Normal file
View File

@ -0,0 +1,110 @@
/*
* Copyright (c) 2007 Benoit Fouet
* Copyright (c) 2010 Stefano Sabatini
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#ifndef AVFILTER_HFLIP_INIT_H
#define AVFILTER_HFLIP_INIT_H
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/intreadwrite.h"
#include "hflip.h"
static void hflip_byte_c(const uint8_t *src, uint8_t *dst, int w)
{
for (int j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_short_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint16_t *src = (const uint16_t *)ssrc;
uint16_t *dst = (uint16_t *)ddst;
for (int j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_dword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint32_t *src = (const uint32_t *)ssrc;
uint32_t *dst = (uint32_t *)ddst;
for (int j = 0; j < w; j++)
dst[j] = src[-j];
}
static void hflip_b24_c(const uint8_t *src, uint8_t *dst, int w)
{
const uint8_t *in = src;
uint8_t *out = dst;
for (int j = 0; j < w; j++, out += 3, in -= 3) {
int32_t v = AV_RB24(in);
AV_WB24(out, v);
}
}
static void hflip_b48_c(const uint8_t *src, uint8_t *dst, int w)
{
const uint8_t *in = src;
uint8_t *out = dst;
for (int j = 0; j < w; j++, out += 6, in -= 6) {
int64_t v = AV_RB48(in);
AV_WB48(out, v);
}
}
static void hflip_qword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
{
const uint64_t *src = (const uint64_t *)ssrc;
uint64_t *dst = (uint64_t *)ddst;
for (int j = 0; j < w; j++)
dst[j] = src[-j];
}
static av_unused int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
{
for (int i = 0; i < nb_planes; i++) {
step[i] *= s->bayer_plus1;
switch (step[i]) {
case 1: s->flip_line[i] = hflip_byte_c; break;
case 2: s->flip_line[i] = hflip_short_c; break;
case 3: s->flip_line[i] = hflip_b24_c; break;
case 4: s->flip_line[i] = hflip_dword_c; break;
case 6: s->flip_line[i] = hflip_b48_c; break;
case 8: s->flip_line[i] = hflip_qword_c; break;
default:
return AVERROR_BUG;
}
}
if (ARCH_X86)
ff_hflip_init_x86(s, step, nb_planes);
return 0;
}
#endif /* AVFILTER_HFLIP_INIT_H */

1
tests/checkasm/vf_hflip.c
View File

@ -19,6 +19,7 @@
#include <string.h>
#include "checkasm.h"
#include "libavfilter/hflip.h"
#include "libavfilter/vf_hflip_init.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"