aboutsummaryrefslogtreecommitdiffhomepage
path: root/libmpcodecs/vf_pp.c
blob: b1b1d81e8f4b76428c8a2459fb361b6f22a71862 (plain)
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
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "../config.h"
#include "../mp_msg.h"

#include "img_format.h"
#include "mp_image.h"
#include "vf.h"

#include "../postproc/postprocess.h"

struct vf_priv_s {
    unsigned int pp;
    mp_image_t *dmpi;
    unsigned int outfmt;
};

//===========================================================================//

static int config(struct vf_instance_s* vf,
        int width, int height, int d_width, int d_height,
	unsigned int voflags, unsigned int outfmt){
    return vf_next_config(vf,width,height,d_width,d_height,voflags,vf->priv->outfmt);
}

static int query_format(struct vf_instance_s* vf, unsigned int fmt){
    switch(fmt){
    case IMGFMT_YV12:
    case IMGFMT_I420:
    case IMGFMT_IYUV:
	return vf_next_query_format(vf,vf->priv->outfmt);
    }
    return 0;
}

static int control(struct vf_instance_s* vf, int request, void* data){
    switch(request){
    case VFCTRL_QUERY_MAX_PP_LEVEL:
	return GET_PP_QUALITY_MAX;
    case VFCTRL_SET_PP_LEVEL:
	vf->priv->pp=getPpModeForQuality(*((unsigned int*)data));
	return CONTROL_TRUE;
    }
    return vf_next_control(vf,request,data);
}

static void get_image(struct vf_instance_s* vf, mp_image_t *mpi){
    if(vf->priv->pp&0xFFFF) return; // non-local filters enabled
    if((mpi->type==MP_IMGTYPE_IPB || vf->priv->pp) && 
	mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
    if(!(mpi->flags&MP_IMGFLAG_ACCEPT_STRIDE) && mpi->imgfmt!=vf->priv->outfmt)
	return; // colorspace differ
    // ok, we can do pp in-place (or pp disabled):
    vf->priv->dmpi=vf_get_image(vf->next,mpi->imgfmt,
        mpi->type, mpi->flags, mpi->w, mpi->h);
    mpi->planes[0]=vf->priv->dmpi->planes[0];
    mpi->stride[0]=vf->priv->dmpi->stride[0];
    mpi->width=vf->priv->dmpi->width;
    if(mpi->flags&MP_IMGFLAG_PLANAR){
        mpi->planes[1]=vf->priv->dmpi->planes[1];
        mpi->planes[2]=vf->priv->dmpi->planes[2];
	mpi->stride[1]=vf->priv->dmpi->stride[1];
	mpi->stride[2]=vf->priv->dmpi->stride[2];
    }
    mpi->flags|=MP_IMGFLAG_DIRECT;
}

static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
    if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
	// no DR, so get a new image! hope we'll get DR buffer:
	vf->priv->dmpi=vf_get_image(vf->next,vf->priv->outfmt,
	    MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ALIGNED_STRIDE,
	    mpi->w,mpi->h);
    }
    
    if(vf->priv->pp || !(mpi->flags&MP_IMGFLAG_DIRECT)){
	// do the postprocessing! (or copy if no DR)
	postprocess(mpi->planes,mpi->stride[0],
		    vf->priv->dmpi->planes,vf->priv->dmpi->stride[0],
		    mpi->w,mpi->h,
		    mpi->qscale, mpi->qstride,
		    vf->priv->pp);
    }
    
    vf_next_put_image(vf,vf->priv->dmpi);
}

//===========================================================================//

extern int divx_quality;

static unsigned int fmt_list[]={
    IMGFMT_YV12,
    IMGFMT_I420,
    IMGFMT_IYUV,
    NULL
};

static int open(vf_instance_t *vf, char* args){
    char *endptr;
    vf->query_format=query_format;
    vf->control=control;
    vf->config=config;
    vf->get_image=get_image;
    vf->put_image=put_image;
    vf->default_caps=VFCAP_ACCEPT_STRIDE|VFCAP_POSTPROC;
    vf->priv=malloc(sizeof(struct vf_priv_s));

    // check csp:
    vf->priv->outfmt=vf_match_csp(&vf->next,fmt_list,IMGFMT_YV12);
    if(!vf->priv->outfmt) return 0; // no csp match :(
    
    if(args){
	vf->priv->pp=strtol(args, &endptr, 0);
	if(!(*endptr)) return 1;
    }
    vf->priv->pp=divx_quality;
    return 1;
}

vf_info_t vf_info_pp = {
    "postprocessing",
    "pp",
    "A'rpi",
    "",
    open
};

//===========================================================================//