summaryrefslogtreecommitdiffstats
path: root/libmpcodecs/vf_vo.c
blob: b8e35543cc84e6a20546df5028807bb85c930ca2 (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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

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

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

#include "libvo/video_out.h"

#ifdef USE_ASS
#include "libass/ass.h"
#include "libass/ass_mp.h"
extern ass_track_t* ass_track;
#endif

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

extern int sub_visibility;
extern float sub_delay;

typedef struct vf_vo_data_s {
    double pts;
    vo_functions_t *vo;
} vf_vo_data_t;

struct vf_priv_s {
    vf_vo_data_t* vf_vo_data;
#ifdef USE_ASS
    ass_renderer_t* ass_priv;
#endif
};
#define video_out (vf->priv->vf_vo_data->vo)

static int query_format(struct vf_instance_s* vf, unsigned int fmt); /* forward declaration */

static int config(struct vf_instance_s* vf,
        int width, int height, int d_width, int d_height,
	unsigned int flags, unsigned int outfmt){

    if ((width <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0))
    {
	mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
	return 0;
    }

  if(video_out->info)
  { const vo_info_t *info = video_out->info;
    mp_msg(MSGT_CPLAYER,MSGL_INFO,"VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",info->short_name,
         width, height,
         d_width, d_height,
	 vo_format_name(outfmt),
         (flags&VOFLAG_FULLSCREEN)?" [fs]":"",
         (flags&VOFLAG_MODESWITCHING)?" [vm]":"",
         (flags&VOFLAG_SWSCALE)?" [zoom]":"",
         (flags&VOFLAG_FLIPPING)?" [flip]":"");
    mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Description: %s\n",info->name);
    mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Author: %s\n", info->author);
    if(info->comment && strlen(info->comment) > 0)
        mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Comment: %s\n", info->comment);
  }

    // save vo's stride capability for the wanted colorspace:
    vf->default_caps=query_format(vf,outfmt) & VFCAP_ACCEPT_STRIDE;

    if(video_out->config(width,height,d_width,d_height,flags,"MPlayer",outfmt))
	return 0;

#ifdef USE_ASS
    if (vf->priv->ass_priv)
	ass_configure(vf->priv->ass_priv, width, height);
#endif

    ++vo_config_count;
    return 1;
}

static int control(struct vf_instance_s* vf, int request, void* data)
{
    switch(request){
#ifdef USE_OSD
    case VFCTRL_DRAW_OSD:
	if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
	video_out->draw_osd();
	return CONTROL_TRUE;
#endif
    case VFCTRL_FLIP_PAGE:
    {
	if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
	video_out->flip_page();
	return CONTROL_TRUE;
    }
    case VFCTRL_SET_EQUALIZER:
    {
	vf_equalizer_t *eq=data;
	if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
	return((video_out->control(VOCTRL_SET_EQUALIZER, eq->item, eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
    }
    case VFCTRL_GET_EQUALIZER:
    {
	vf_equalizer_t *eq=data;
	if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
	return((video_out->control(VOCTRL_GET_EQUALIZER, eq->item, &eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
    }
#ifdef USE_ASS
    case VFCTRL_INIT_EOSD:
    {
        vf->priv->ass_priv = ass_renderer_init((ass_library_t*)data);
        if (!vf->priv->ass_priv) return CONTROL_FALSE;
        return CONTROL_TRUE;
    }
    case VFCTRL_DRAW_EOSD:
    {
        ass_image_t* images = 0;
        double pts = vf->priv->vf_vo_data->pts;
        if (!vo_config_count || !vf->priv->ass_priv) return CONTROL_FALSE;
        if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) {
            mp_eosd_res_t res;
            memset(&res, 0, sizeof(res));
            if (video_out->control(VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
                ass_set_frame_size(vf->priv->ass_priv, res.w, res.h);
                ass_set_margins(vf->priv->ass_priv, res.mt, res.mb, res.ml, res.mr);
            }

            images = ass_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5);
        }
        return (video_out->control(VOCTRL_DRAW_EOSD, images) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
    }
#endif
    }
    // return video_out->control(request,data);
    return CONTROL_UNKNOWN;
}

static int query_format(struct vf_instance_s* vf, unsigned int fmt){
    int flags=video_out->control(VOCTRL_QUERY_FORMAT,&fmt);
    // draw_slice() accepts stride, draw_frame() doesn't:
    if(flags)
	if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
	    flags|=VFCAP_ACCEPT_STRIDE;
    return flags;
}

static void get_image(struct vf_instance_s* vf,
        mp_image_t *mpi){
    if(vo_directrendering && vo_config_count)
	video_out->control(VOCTRL_GET_IMAGE,mpi);
}

static int put_image(struct vf_instance_s* vf,
        mp_image_t *mpi, double pts){
  if(!vo_config_count) return 0; // vo not configured?
  // record pts (potentially modified by filters) for main loop
  vf->priv->vf_vo_data->pts = pts;
  // first check, maybe the vo/vf plugin implements draw_image using mpi:
  if(video_out->control(VOCTRL_DRAW_IMAGE,mpi)==VO_TRUE) return 1; // done.
  // nope, fallback to old draw_frame/draw_slice:
  if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
    // blit frame:
//    if(mpi->flags&MP_IMGFLAG_PLANAR)
    if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
        video_out->draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
    else
        video_out->draw_frame(mpi->planes);
  }
  return 1;
}

static void start_slice(struct vf_instance_s* vf,
		       mp_image_t *mpi) {
    if(!vo_config_count) return; // vo not configured?
    video_out->control(VOCTRL_START_SLICE,mpi);
}

static void draw_slice(struct vf_instance_s* vf,
        unsigned char** src, int* stride, int w,int h, int x, int y){
    if(!vo_config_count) return; // vo not configured?
    video_out->draw_slice(src,stride,w,h,x,y);
}

static void uninit(struct vf_instance_s* vf)
{
    if (vf->priv) {
#ifdef USE_ASS
        if (vf->priv->ass_priv)
            ass_renderer_done(vf->priv->ass_priv);
#endif
        free(vf->priv);
    }
}
//===========================================================================//

static int open(vf_instance_t *vf, char* args){
    vf->config=config;
    vf->control=control;
    vf->query_format=query_format;
    vf->get_image=get_image;
    vf->put_image=put_image;
    vf->draw_slice=draw_slice;
    vf->start_slice=start_slice;
    vf->uninit=uninit;
    vf->priv=calloc(1, sizeof(struct vf_priv_s));
    vf->priv->vf_vo_data=(vf_vo_data_t*)args;
    if(!video_out) return 0; // no vo ?
//    if(video_out->preinit(args)) return 0; // preinit failed
    return 1;
}

vf_info_t vf_info_vo = {
    "libvo wrapper",
    "vo",
    "A'rpi",
    "for internal use",
    open,
    NULL
};

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