FFmpeg/libavcodec/pixblockdsp.h
Martin Storsjö 353aecbb28 pixblockdsp, avdct: Add get_pixels_unaligned
Use this in vf_spp.c, where the get_pixels operation is done on
unaligned source addresses.

Hook up the x86 (mmx and sse) versions of get_pixels to this
function pointer, as those implementations seem to support unaligned
use.

This fixes fate-filter-spp on armv7.

Signed-off-by: Martin Storsjö <martin@martin.st>
2020-05-13 13:20:08 +03:00

59 lines
2.4 KiB
C

/*
* 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 AVCODEC_PIXBLOCKDSP_H
#define AVCODEC_PIXBLOCKDSP_H
#include <stdint.h>
#include "config.h"
#include "avcodec.h"
typedef struct PixblockDSPContext {
void (*get_pixels)(int16_t *av_restrict block /* align 16 */,
const uint8_t *pixels /* align 8 */,
ptrdiff_t stride);
void (*get_pixels_unaligned)(int16_t *av_restrict block /* align 16 */,
const uint8_t *pixels,
ptrdiff_t stride);
void (*diff_pixels)(int16_t *av_restrict block /* align 16 */,
const uint8_t *s1 /* align 8 */,
const uint8_t *s2 /* align 8 */,
ptrdiff_t stride);
void (*diff_pixels_unaligned)(int16_t *av_restrict block /* align 16 */,
const uint8_t *s1,
const uint8_t *s2,
ptrdiff_t stride);
} PixblockDSPContext;
void ff_pixblockdsp_init(PixblockDSPContext *c, AVCodecContext *avctx);
void ff_pixblockdsp_init_alpha(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_arm(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_ppc(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_x86(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
void ff_pixblockdsp_init_mips(PixblockDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth);
#endif /* AVCODEC_PIXBLOCKDSP_H */