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mpegvideoencdsp.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_MPEGVIDEOENCDSP_H
20 #define AVCODEC_MPEGVIDEOENCDSP_H
21 
22 #include <stdint.h>
23 
24 #include "avcodec.h"
25 
26 #define BASIS_SHIFT 16
27 #define RECON_SHIFT 6
28 
29 #define EDGE_TOP 1
30 #define EDGE_BOTTOM 2
31 
32 typedef struct MpegvideoEncDSPContext {
33  int (*try_8x8basis)(int16_t rem[64], int16_t weight[64],
34  int16_t basis[64], int scale);
35  void (*add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale);
36 
37  int (*pix_sum)(uint8_t *pix, int line_size);
38  int (*pix_norm1)(uint8_t *pix, int line_size);
39 
40  void (*shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src,
41  int src_wrap, int width, int height);
42 
43  void (*draw_edges)(uint8_t *buf, int wrap, int width, int height,
44  int w, int h, int sides);
46 
48  AVCodecContext *avctx);
50  AVCodecContext *avctx);
52  AVCodecContext *avctx);
54  AVCodecContext *avctx);
56  AVCodecContext *avctx);
57 
58 #endif /* AVCODEC_MPEGVIDEOENCDSP_H */
int(* try_8x8basis)(int16_t rem[64], int16_t weight[64], int16_t basis[64], int scale)
void(* shrink[4])(uint8_t *dst, int dst_wrap, const uint8_t *src, int src_wrap, int width, int height)
void(* add_8x8basis)(int16_t rem[64], int16_t basis[64], int scale)
void ff_mpegvideoencdsp_init(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
void ff_mpegvideoencdsp_init_mips(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
#define src
Definition: vp8dsp.c:254
void ff_mpegvideoencdsp_init_ppc(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
uint8_t
#define height
#define wrap(func)
Definition: neontest.h:65
uint16_t width
Definition: gdv.c:47
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
int(* pix_sum)(uint8_t *pix, int line_size)
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1502
void * buf
Definition: avisynth_c.h:690
int(* pix_norm1)(uint8_t *pix, int line_size)
static int weight(int i, int blen, int offset)
Definition: diracdec.c:1523
void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
int
static double c[64]
static int16_t basis[64][64]
void ff_mpegvideoencdsp_init_arm(MpegvideoEncDSPContext *c, AVCodecContext *avctx)
void(* draw_edges)(uint8_t *buf, int wrap, int width, int height, int w, int h, int sides)