FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
cavsdsp.h
Go to the documentation of this file.
1 /*
2  * Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
3  * Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVCODEC_CAVSDSP_H
23 #define AVCODEC_CAVSDSP_H
24 
25 #include <stdint.h>
26 
27 #include "avcodec.h"
28 #include "qpeldsp.h"
29 
30 typedef struct CAVSDSPContext {
33  void (*cavs_filter_lv)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2);
34  void (*cavs_filter_lh)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2);
35  void (*cavs_filter_cv)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2);
36  void (*cavs_filter_ch)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2);
37  void (*cavs_idct8_add)(uint8_t *dst, int16_t *block, ptrdiff_t stride);
38  int idct_perm;
40 
43 
44 #endif /* AVCODEC_CAVSDSP_H */
static float alpha(float a)
#define tc
Definition: regdef.h:69
void(* qpel_mc_func)(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)
Definition: qpeldsp.h:65
static int16_t block[64]
Definition: dct.c:115
uint8_t
quarterpel DSP functions
qpel_mc_func put_cavs_qpel_pixels_tab[2][16]
Definition: cavsdsp.h:31
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
void(* cavs_filter_lh)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2)
Definition: cavsdsp.h:34
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1488
void(* cavs_filter_ch)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2)
Definition: cavsdsp.h:36
void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
Definition: cavsdsp.c:429
int idct_perm
Definition: cavsdsp.h:38
void(* cavs_idct8_add)(uint8_t *dst, int16_t *block, ptrdiff_t stride)
Definition: cavsdsp.h:37
qpel_mc_func avg_cavs_qpel_pixels_tab[2][16]
Definition: cavsdsp.h:32
void(* cavs_filter_lv)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2)
Definition: cavsdsp.h:33
void ff_cavsdsp_init(CAVSDSPContext *c, AVCodecContext *avctx)
Definition: cavsdsp.c:551
static double c[64]
#define stride
void(* cavs_filter_cv)(uint8_t *pix, ptrdiff_t stride, int alpha, int beta, int tc, int bs1, int bs2)
Definition: cavsdsp.h:35