FFmpeg
unsharp.h
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1 /*
2  * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
3  * Copyright (C) 2013 Lenny Wang
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 AVFILTER_UNSHARP_H
23 #define AVFILTER_UNSHARP_H
24 
25 #include "config.h"
26 #include "avfilter.h"
27 
28 #define MIN_MATRIX_SIZE 3
29 #define MAX_MATRIX_SIZE 63
30 
31 
32 typedef struct UnsharpFilterParam {
33  int msize_x; ///< matrix width
34  int msize_y; ///< matrix height
35  int amount; ///< effect amount
36  int steps_x; ///< horizontal step count
37  int steps_y; ///< vertical step count
38  int scalebits; ///< bits to shift pixel
39  int32_t halfscale; ///< amount to add to pixel
40  uint32_t *sr; ///< finite state machine storage within a row
41  uint32_t **sc; ///< finite state machine storage across rows
43 
44 typedef struct UnsharpContext {
45  const AVClass *class;
47  float lamount, camount;
48  UnsharpFilterParam luma; ///< luma parameters (width, height, amount)
49  UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
50  int hsub, vsub;
51  int bitdepth;
52  int bps;
54  int opencl;
56  int (* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
58 
59 #endif /* AVFILTER_UNSHARP_H */
UnsharpContext::apply_unsharp
int(* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
Definition: unsharp.h:55
UnsharpContext::cmsize_x
int cmsize_x
Definition: unsharp.h:46
UnsharpContext::chroma
UnsharpFilterParam chroma
chroma parameters (width, height, amount)
Definition: unsharp.h:49
out
FILE * out
Definition: movenc.c:54
UnsharpFilterParam::msize_x
int msize_x
matrix width
Definition: unsharp.h:33
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:310
UnsharpContext::opencl
int opencl
Definition: unsharp.h:54
UnsharpContext::lmsize_y
int lmsize_y
Definition: unsharp.h:46
UnsharpFilterParam
Definition: unsharp.h:32
UnsharpFilterParam::msize_y
int msize_y
matrix height
Definition: unsharp.h:34
ctx
AVFormatContext * ctx
Definition: movenc.c:48
arg
const char * arg
Definition: jacosubdec.c:67
UnsharpContext
Definition: unsharp.h:44
UnsharpContext::bitdepth
int bitdepth
Definition: unsharp.h:51
AVClass
Describe the class of an AVClass context structure.
Definition: log.h:66
UnsharpContext::cmsize_y
int cmsize_y
Definition: unsharp.h:46
UnsharpFilterParam::steps_y
int steps_y
vertical step count
Definition: unsharp.h:37
UnsharpContext::camount
float camount
Definition: unsharp.h:47
UnsharpContext::vsub
int vsub
Definition: unsharp.h:50
UnsharpFilterParam::scalebits
int scalebits
bits to shift pixel
Definition: unsharp.h:38
UnsharpContext::lamount
float lamount
Definition: unsharp.h:47
UnsharpFilterParam::steps_x
int steps_x
horizontal step count
Definition: unsharp.h:36
UnsharpContext::nb_threads
int nb_threads
Definition: unsharp.h:53
UnsharpContext::unsharp_slice
int(* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Definition: unsharp.h:56
UnsharpContext::hsub
int hsub
Definition: unsharp.h:50
avfilter.h
UnsharpFilterParam::halfscale
int32_t halfscale
amount to add to pixel
Definition: unsharp.h:39
AVFilterContext
An instance of a filter.
Definition: avfilter.h:386
UnsharpContext::bps
int bps
Definition: unsharp.h:52
int32_t
int32_t
Definition: audioconvert.c:56
UnsharpFilterParam::sc
uint32_t ** sc
finite state machine storage across rows
Definition: unsharp.h:41
UnsharpFilterParam::sr
uint32_t * sr
finite state machine storage within a row
Definition: unsharp.h:40
int
int
Definition: ffmpeg_filter.c:156
UnsharpFilterParam::amount
int amount
effect amount
Definition: unsharp.h:35
UnsharpContext::lmsize_x
int lmsize_x
Definition: unsharp.h:46
UnsharpContext::luma
UnsharpFilterParam luma
luma parameters (width, height, amount)
Definition: unsharp.h:48