FFmpeg  4.0
huffyuvdsp.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_HUFFYUVDSP_H
20 #define AVCODEC_HUFFYUVDSP_H
21 
22 #include <stdint.h>
23 #include "libavutil/pixfmt.h"
24 #include "config.h"
25 
26 #if HAVE_BIGENDIAN
27 #define B 3
28 #define G 2
29 #define R 1
30 #define A 0
31 #else
32 #define B 0
33 #define G 1
34 #define R 2
35 #define A 3
36 #endif
37 
38 typedef struct HuffYUVDSPContext {
39  void (*add_int16)(uint16_t *dst/*align 16*/, const uint16_t *src/*align 16*/,
40  unsigned mask, int w);
41 
42  void (*add_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *top,
43  const uint16_t *diff, unsigned mask,
44  int w, int *left, int *left_top);
46  intptr_t w, uint8_t *left);
48 
51 
52 #endif /* AVCODEC_HUFFYUVDSP_H */
static enum AVPixelFormat pix_fmt
#define src
Definition: vp8dsp.c:254
void(* add_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w)
Definition: huffyuvdsp.h:39
uint8_t
void ff_huffyuvdsp_init(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt)
Definition: huffyuvdsp.c:83
static const uint16_t mask[17]
Definition: lzw.c:38
uint8_t w
Definition: llviddspenc.c:38
void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt)
typedef void(RENAME(mix_any_func_type))
void(* add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src, intptr_t w, uint8_t *left)
Definition: huffyuvdsp.h:45
void(* add_hfyu_median_pred_int16)(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top)
Definition: huffyuvdsp.h:42
static double c[64]
static av_always_inline int diff(const uint32_t a, const uint32_t b)
pixel format definitions
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60