libmpcodecs/vf_vo.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "config.h"
   6 #include "mp_msg.h"
   7
   8 #include "mp_image.h"
   9 #include "vf.h"
  10
  11 #include "libvo/video_out.h"
  12
  13 #ifdef CONFIG_ASS
  14 #include "libass/ass.h"
  15 #include "libass/ass_mp.h"
  16 extern ass_track_t* ass_track;
  17 #endif
  18
  19 //===========================================================================//
  20
  21 extern int sub_visibility;
  22 extern float sub_delay;
  23
  24 struct vf_priv_s {
  25     double pts;
  26     const vo_functions_t *vo;
  27 #ifdef CONFIG_ASS
  28     ass_renderer_t* ass_priv;
  29     int prev_visibility;
  30 #endif
  31 };
  32 #define video_out (vf->priv->vo)
  33
  34 static int query_format(struct vf_instance_s* vf, unsigned int fmt); /* forward declaration */
  35
  36 static int config(struct vf_instance_s* vf,
  37         int width, int height, int d_width, int d_height,
  38         unsigned int flags, unsigned int outfmt){
  39
  40     if ((width <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0))
  41     {
  42         mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
  43         return 0;
  44     }
  45
  46   if(video_out->info)
  47   { const vo_info_t *info = video_out->info;
  48     mp_msg(MSGT_CPLAYER,MSGL_INFO,"VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",info->short_name,
  49          width, height,
  50          d_width, d_height,
  51          vo_format_name(outfmt),
  52          (flags&VOFLAG_FULLSCREEN)?" [fs]":"",
  53          (flags&VOFLAG_MODESWITCHING)?" [vm]":"",
  54          (flags&VOFLAG_SWSCALE)?" [zoom]":"",
  55          (flags&VOFLAG_FLIPPING)?" [flip]":"");
  56     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Description: %s\n",info->name);
  57     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Author: %s\n", info->author);
  58     if(info->comment && strlen(info->comment) > 0)
  59         mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Comment: %s\n", info->comment);
  60   }
  61
  62     // save vo's stride capability for the wanted colorspace:
  63     vf->default_caps=query_format(vf,outfmt);
  64
  65     if(config_video_out(video_out,width,height,d_width,d_height,flags,"MPlayer",outfmt))
  66         return 0;
  67
  68 #ifdef CONFIG_ASS
  69     if (vf->priv->ass_priv)
  70         ass_configure(vf->priv->ass_priv, width, height, !!(vf->default_caps & VFCAP_EOSD_UNSCALED));
  71 #endif
  72
  73     ++vo_config_count;
  74     return 1;
  75 }
  76
  77 static int control(struct vf_instance_s* vf, int request, void* data)
  78 {
  79     switch(request){
  80     case VFCTRL_GET_DEINTERLACE:
  81     {
  82         if(!video_out) return CONTROL_FALSE; // vo not configured?
  83         return(video_out->control(VOCTRL_GET_DEINTERLACE, data)
  84                 == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
  85     }
  86     case VFCTRL_SET_DEINTERLACE:
  87     {
  88         if(!video_out) return CONTROL_FALSE; // vo not configured?
  89         return(video_out->control(VOCTRL_SET_DEINTERLACE, data)
  90                 == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
  91     }
  92     case VFCTRL_DRAW_OSD:
  93         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  94         video_out->draw_osd();
  95         return CONTROL_TRUE;
  96     case VFCTRL_FLIP_PAGE:
  97     {
  98         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  99         video_out->flip_page();
 100         return CONTROL_TRUE;
 101     }
 102     case VFCTRL_SET_EQUALIZER:
 103     {
 104         vf_equalizer_t *eq=data;
 105         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
 106         return (video_out->control(VOCTRL_SET_EQUALIZER, eq->item, eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 107     }
 108     case VFCTRL_GET_EQUALIZER:
 109     {
 110         vf_equalizer_t *eq=data;
 111         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
 112         return (video_out->control(VOCTRL_GET_EQUALIZER, eq->item, &eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 113     }
 114 #ifdef CONFIG_ASS
 115     case VFCTRL_INIT_EOSD:
 116     {
 117         vf->priv->ass_priv = ass_renderer_init((ass_library_t*)data);
 118         if (!vf->priv->ass_priv) return CONTROL_FALSE;
 119         ass_configure_fonts(vf->priv->ass_priv);
 120         vf->priv->prev_visibility = 0;
 121         return CONTROL_TRUE;
 122     }
 123     case VFCTRL_DRAW_EOSD:
 124     {
 125         mp_eosd_images_t images = {NULL, 2};
 126         double pts = vf->priv->pts;
 127         if (!vo_config_count || !vf->priv->ass_priv) return CONTROL_FALSE;
 128         if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) {
 129             mp_eosd_res_t res;
 130             memset(&res, 0, sizeof(res));
 131             if (video_out->control(VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
 132                 ass_set_frame_size(vf->priv->ass_priv, res.w, res.h);
 133                 ass_set_margins(vf->priv->ass_priv, res.mt, res.mb, res.ml, res.mr);
 134                 ass_set_aspect_ratio(vf->priv->ass_priv, (double)res.w / res.h);
 135             }
 136
 137             images.imgs = ass_mp_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5, &images.changed);
 138             if (!vf->priv->prev_visibility)
 139                 images.changed = 2;
 140             vf->priv->prev_visibility = 1;
 141         } else
 142             vf->priv->prev_visibility = 0;
 143         vf->priv->prev_visibility = sub_visibility;
 144         return (video_out->control(VOCTRL_DRAW_EOSD, &images) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 145     }
 146 #endif
 147     case VFCTRL_GET_PTS:
 148     {
 149         *(double *)data = vf->priv->pts;
 150         return CONTROL_TRUE;
 151     }
 152     }
 153     // return video_out->control(request,data);
 154     return CONTROL_UNKNOWN;
 155 }
 156
 157 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 158     int flags=video_out->control(VOCTRL_QUERY_FORMAT,&fmt);
 159     // draw_slice() accepts stride, draw_frame() doesn't:
 160     if(flags)
 161         if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
 162             flags|=VFCAP_ACCEPT_STRIDE;
 163     return flags;
 164 }
 165
 166 static void get_image(struct vf_instance_s* vf,
 167         mp_image_t *mpi){
 168     if(vo_directrendering && vo_config_count)
 169         video_out->control(VOCTRL_GET_IMAGE,mpi);
 170 }
 171
 172 static int put_image(struct vf_instance_s* vf,
 173         mp_image_t *mpi, double pts){
 174   if(!vo_config_count) return 0; // vo not configured?
 175   // record pts (potentially modified by filters) for main loop
 176   vf->priv->pts = pts;
 177   // first check, maybe the vo/vf plugin implements draw_image using mpi:
 178   if(video_out->control(VOCTRL_DRAW_IMAGE,mpi)==VO_TRUE) return 1; // done.
 179   // nope, fallback to old draw_frame/draw_slice:
 180   if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
 181     // blit frame:
 182 //    if(mpi->flags&MP_IMGFLAG_PLANAR)
 183     if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
 184         video_out->draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 185     else
 186         video_out->draw_frame(mpi->planes);
 187   }
 188   return 1;
 189 }
 190
 191 static void start_slice(struct vf_instance_s* vf,
 192                        mp_image_t *mpi) {
 193     if(!vo_config_count) return; // vo not configured?
 194     video_out->control(VOCTRL_START_SLICE,mpi);
 195 }
 196
 197 static void draw_slice(struct vf_instance_s* vf,
 198         unsigned char** src, int* stride, int w,int h, int x, int y){
 199     if(!vo_config_count) return; // vo not configured?
 200     video_out->draw_slice(src,stride,w,h,x,y);
 201 }
 202
 203 static void uninit(struct vf_instance_s* vf)
 204 {
 205     if (vf->priv) {
 206 #ifdef CONFIG_ASS
 207         if (vf->priv->ass_priv)
 208             ass_renderer_done(vf->priv->ass_priv);
 209 #endif
 210         free(vf->priv);
 211     }
 212 }
 213 //===========================================================================//
 214
 215 static int open(vf_instance_t *vf, char* args){
 216     vf->config=config;
 217     vf->control=control;
 218     vf->query_format=query_format;
 219     vf->get_image=get_image;
 220     vf->put_image=put_image;
 221     vf->draw_slice=draw_slice;
 222     vf->start_slice=start_slice;
 223     vf->uninit=uninit;
 224     vf->priv=calloc(1, sizeof(struct vf_priv_s));
 225     vf->priv->vo = (const vo_functions_t *)args;
 226     if(!video_out) return 0; // no vo ?
 227 //    if(video_out->preinit(args)) return 0; // preinit failed
 228     return 1;
 229 }
 230
 231 const vf_info_t vf_info_vo = {
 232     "libvo wrapper",
 233     "vo",
 234     "A'rpi",
 235     "for internal use",
 236     open,
 237     NULL
 238 };
 239
 240 //===========================================================================//