mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
caa4bd7a9f
Precalculate and constify ff_square_tab. Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
96 lines
3.2 KiB
C
96 lines
3.2 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_ME_CMP_H
|
|
#define AVCODEC_ME_CMP_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "avcodec.h"
|
|
|
|
extern const uint32_t ff_square_tab[512];
|
|
|
|
|
|
/* minimum alignment rules ;)
|
|
* If you notice errors in the align stuff, need more alignment for some ASM code
|
|
* for some CPU or need to use a function with less aligned data then send a mail
|
|
* to the ffmpeg-devel mailing list, ...
|
|
*
|
|
* !warning These alignments might not match reality, (missing attribute((align))
|
|
* stuff somewhere possible).
|
|
* I (Michael) did not check them, these are just the alignments which I think
|
|
* could be reached easily ...
|
|
*
|
|
* !future video codecs might need functions with less strict alignment
|
|
*/
|
|
|
|
struct MpegEncContext;
|
|
/* Motion estimation:
|
|
* h is limited to { width / 2, width, 2 * width },
|
|
* but never larger than 16 and never smaller than 2.
|
|
* Although currently h < 4 is not used as functions with
|
|
* width < 8 are neither used nor implemented. */
|
|
typedef int (*me_cmp_func)(struct MpegEncContext *c,
|
|
uint8_t *blk1 /* align width (8 or 16) */,
|
|
uint8_t *blk2 /* align 1 */, ptrdiff_t stride,
|
|
int h);
|
|
|
|
typedef struct MECmpContext {
|
|
int (*sum_abs_dctelem)(int16_t *block /* align 16 */);
|
|
|
|
me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */
|
|
me_cmp_func sse[6];
|
|
me_cmp_func hadamard8_diff[6];
|
|
me_cmp_func dct_sad[6];
|
|
me_cmp_func quant_psnr[6];
|
|
me_cmp_func bit[6];
|
|
me_cmp_func rd[6];
|
|
me_cmp_func vsad[6];
|
|
me_cmp_func vsse[6];
|
|
me_cmp_func nsse[6];
|
|
me_cmp_func w53[6];
|
|
me_cmp_func w97[6];
|
|
me_cmp_func dct_max[6];
|
|
me_cmp_func dct264_sad[6];
|
|
|
|
me_cmp_func me_pre_cmp[6];
|
|
me_cmp_func me_cmp[6];
|
|
me_cmp_func me_sub_cmp[6];
|
|
me_cmp_func mb_cmp[6];
|
|
me_cmp_func ildct_cmp[6]; // only width 16 used
|
|
me_cmp_func frame_skip_cmp[6]; // only width 8 used
|
|
|
|
me_cmp_func pix_abs[2][4];
|
|
me_cmp_func median_sad[6];
|
|
} MECmpContext;
|
|
|
|
int ff_check_alignment(void);
|
|
|
|
void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx);
|
|
void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx);
|
|
void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx);
|
|
void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx);
|
|
void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx);
|
|
void ff_me_cmp_init_mips(MECmpContext *c, AVCodecContext *avctx);
|
|
|
|
void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type);
|
|
|
|
void ff_dsputil_init_dwt(MECmpContext *c);
|
|
|
|
#endif /* AVCODEC_ME_CMP_H */
|