1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <assert.h>
#include "config.h"
#include "mp_msg.h"
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "libvo/fastmemcpy.h"
//===========================================================================//
typedef struct FilterParam{
int interleave;
int swap;
}FilterParam;
struct vf_priv_s {
FilterParam lumaParam;
FilterParam chromaParam;
};
/***************************************************************************/
static void interleave(uint8_t *dst, uint8_t *src, int w, int h, int dstStride, int srcStride, int interleave, int swap){
const int a= swap;
const int b= 1-a;
const int m= h>>1;
int y;
switch(interleave){
case -1:
for(y=0; y < m; y++){
fast_memcpy(dst + dstStride* y , src + srcStride*(y*2 + a), w);
fast_memcpy(dst + dstStride*(y + m), src + srcStride*(y*2 + b), w);
}
break;
case 0:
for(y=0; y < m; y++){
fast_memcpy(dst + dstStride* y*2 , src + srcStride*(y*2 + a), w);
fast_memcpy(dst + dstStride*(y*2+1), src + srcStride*(y*2 + b), w);
}
break;
case 1:
for(y=0; y < m; y++){
fast_memcpy(dst + dstStride*(y*2+a), src + srcStride* y , w);
fast_memcpy(dst + dstStride*(y*2+b), src + srcStride*(y + m), w);
}
break;
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
int w;
FilterParam *luma = &vf->priv->lumaParam;
FilterParam *chroma= &vf->priv->chromaParam;
mp_image_t *dmpi=vf_get_image(vf->next,mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w,mpi->h);
if(mpi->flags&MP_IMGFLAG_PLANAR)
w= mpi->w;
else
w= mpi->w * mpi->bpp/8;
interleave(dmpi->planes[0], mpi->planes[0],
w, mpi->h, dmpi->stride[0], mpi->stride[0], luma->interleave, luma->swap);
if(mpi->flags&MP_IMGFLAG_PLANAR){
int cw= mpi->w >> mpi->chroma_x_shift;
int ch= mpi->h >> mpi->chroma_y_shift;
interleave(dmpi->planes[1], mpi->planes[1], cw,ch,
dmpi->stride[1], mpi->stride[1], chroma->interleave, luma->swap);
interleave(dmpi->planes[2], mpi->planes[2], cw,ch,
dmpi->stride[2], mpi->stride[2], chroma->interleave, luma->swap);
}
return vf_next_put_image(vf,dmpi, pts);
}
//===========================================================================//
static void parse(FilterParam *fp, char* args){
char *pos;
char *max= strchr(args, ':');
if(!max) max= args + strlen(args);
pos= strchr(args, 's');
if(pos && pos<max) fp->swap=1;
pos= strchr(args, 'i');
if(pos && pos<max) fp->interleave=1;
pos= strchr(args, 'd');
if(pos && pos<max) fp->interleave=-1;
}
static int open(vf_instance_t *vf, char* args){
vf->put_image=put_image;
// vf->get_image=get_image;
vf->priv=malloc(sizeof(struct vf_priv_s));
memset(vf->priv, 0, sizeof(struct vf_priv_s));
if(args)
{
char *arg2= strchr(args,':');
if(arg2) parse(&vf->priv->chromaParam, arg2+1);
parse(&vf->priv->lumaParam, args);
}
return 1;
}
const vf_info_t vf_info_il = {
"(de)interleave",
"il",
"Michael Niedermayer",
"",
open,
NULL
};
//===========================================================================//
|
