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 static void draw_slice(struct vf_instance_s* vf, unsigned char** src, int* stride, int w,int h, int x, int y);
  36
  37 static int config(struct vf_instance_s* vf,
  38         int width, int height, int d_width, int d_height,
  39         unsigned int flags, unsigned int outfmt){
  40
  41     if ((width <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0))
  42     {
  43         mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
  44         return 0;
  45     }
  46
  47   if(video_out->info)
  48   { const vo_info_t *info = video_out->info;
  49     mp_msg(MSGT_CPLAYER,MSGL_INFO,"VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",info->short_name,
  50          width, height,
  51          d_width, d_height,
  52          vo_format_name(outfmt),
  53          (flags&VOFLAG_FULLSCREEN)?" [fs]":"",
  54          (flags&VOFLAG_MODESWITCHING)?" [vm]":"",
  55          (flags&VOFLAG_SWSCALE)?" [zoom]":"",
  56          (flags&VOFLAG_FLIPPING)?" [flip]":"");
  57     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Description: %s\n",info->name);
  58     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Author: %s\n", info->author);
  59     if(info->comment && strlen(info->comment) > 0)
  60         mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Comment: %s\n", info->comment);
  61   }
  62
  63     // save vo's stride capability for the wanted colorspace:
  64     vf->default_caps=query_format(vf,outfmt);
  65     vf->draw_slice = (vf->default_caps & VOCAP_NOSLICES) ? NULL : draw_slice;
  66
  67     if(config_video_out(video_out,width,height,d_width,d_height,flags,"MPlayer",outfmt))
  68         return 0;
  69
  70 #ifdef CONFIG_ASS
  71     if (vf->priv->ass_priv)
  72         ass_configure(vf->priv->ass_priv, width, height, !!(vf->default_caps & VFCAP_EOSD_UNSCALED));
  73 #endif
  74
  75     ++vo_config_count;
  76     return 1;
  77 }
  78
  79 static int control(struct vf_instance_s* vf, int request, void* data)
  80 {
  81     switch(request){
  82     case VFCTRL_GET_DEINTERLACE:
  83     {
  84         if(!video_out) return CONTROL_FALSE; // vo not configured?
  85         return(video_out->control(VOCTRL_GET_DEINTERLACE, data)
  86                 == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
  87     }
  88     case VFCTRL_SET_DEINTERLACE:
  89     {
  90         if(!video_out) return CONTROL_FALSE; // vo not configured?
  91         return(video_out->control(VOCTRL_SET_DEINTERLACE, data)
  92                 == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
  93     }
  94     case VFCTRL_DRAW_OSD:
  95         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  96         video_out->draw_osd();
  97         return CONTROL_TRUE;
  98     case VFCTRL_FLIP_PAGE:
  99     {
 100         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
 101         video_out->flip_page();
 102         return CONTROL_TRUE;
 103     }
 104     case VFCTRL_SET_EQUALIZER:
 105     {
 106         vf_equalizer_t *eq=data;
 107         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
 108         return (video_out->control(VOCTRL_SET_EQUALIZER, eq->item, eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 109     }
 110     case VFCTRL_GET_EQUALIZER:
 111     {
 112         vf_equalizer_t *eq=data;
 113         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
 114         return (video_out->control(VOCTRL_GET_EQUALIZER, eq->item, &eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 115     }
 116 #ifdef CONFIG_ASS
 117     case VFCTRL_INIT_EOSD:
 118     {
 119         vf->priv->ass_priv = ass_renderer_init((ass_library_t*)data);
 120         if (!vf->priv->ass_priv) return CONTROL_FALSE;
 121         ass_configure_fonts(vf->priv->ass_priv);
 122         vf->priv->prev_visibility = 0;
 123         return CONTROL_TRUE;
 124     }
 125     case VFCTRL_DRAW_EOSD:
 126     {
 127         mp_eosd_images_t images = {NULL, 2};
 128         double pts = vf->priv->pts;
 129         if (!vo_config_count || !vf->priv->ass_priv) return CONTROL_FALSE;
 130         if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) {
 131             mp_eosd_res_t res;
 132             memset(&res, 0, sizeof(res));
 133             if (video_out->control(VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
 134                 ass_set_frame_size(vf->priv->ass_priv, res.w, res.h);
 135                 ass_set_margins(vf->priv->ass_priv, res.mt, res.mb, res.ml, res.mr);
 136                 ass_set_aspect_ratio(vf->priv->ass_priv, (double)res.w / res.h);
 137             }
 138
 139             images.imgs = ass_mp_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5, &images.changed);
 140             if (!vf->priv->prev_visibility)
 141                 images.changed = 2;
 142             vf->priv->prev_visibility = 1;
 143         } else
 144             vf->priv->prev_visibility = 0;
 145         vf->priv->prev_visibility = sub_visibility;
 146         return (video_out->control(VOCTRL_DRAW_EOSD, &images) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE;
 147     }
 148 #endif
 149     case VFCTRL_GET_PTS:
 150     {
 151         *(double *)data = vf->priv->pts;
 152         return CONTROL_TRUE;
 153     }
 154     }
 155     // return video_out->control(request,data);
 156     return CONTROL_UNKNOWN;
 157 }
 158
 159 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
 160     int flags=video_out->control(VOCTRL_QUERY_FORMAT,&fmt);
 161     // draw_slice() accepts stride, draw_frame() doesn't:
 162     if(flags)
 163         if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
 164             flags|=VFCAP_ACCEPT_STRIDE;
 165     return flags;
 166 }
 167
 168 static void get_image(struct vf_instance_s* vf,
 169         mp_image_t *mpi){
 170     if(!vo_config_count) return;
 171     // GET_IMAGE is required for hardware-accelerated formats
 172     if(vo_directrendering ||
 173        IMGFMT_IS_XVMC(mpi->imgfmt) || IMGFMT_IS_VDPAU(mpi->imgfmt))
 174         video_out->control(VOCTRL_GET_IMAGE,mpi);
 175 }
 176
 177 static int put_image(struct vf_instance_s* vf,
 178         mp_image_t *mpi, double pts){
 179   if(!vo_config_count) return 0; // vo not configured?
 180   // record pts (potentially modified by filters) for main loop
 181   vf->priv->pts = pts;
 182   // first check, maybe the vo/vf plugin implements draw_image using mpi:
 183   if(video_out->control(VOCTRL_DRAW_IMAGE,mpi)==VO_TRUE) return 1; // done.
 184   // nope, fallback to old draw_frame/draw_slice:
 185   if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
 186     // blit frame:
 187 //    if(mpi->flags&MP_IMGFLAG_PLANAR)
 188     if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
 189         video_out->draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 190     else
 191         video_out->draw_frame(mpi->planes);
 192   }
 193   return 1;
 194 }
 195
 196 static void start_slice(struct vf_instance_s* vf,
 197                        mp_image_t *mpi) {
 198     if(!vo_config_count) return; // vo not configured?
 199     video_out->control(VOCTRL_START_SLICE,mpi);
 200 }
 201
 202 static void draw_slice(struct vf_instance_s* vf,
 203         unsigned char** src, int* stride, int w,int h, int x, int y){
 204     if(!vo_config_count) return; // vo not configured?
 205     video_out->draw_slice(src,stride,w,h,x,y);
 206 }
 207
 208 static void uninit(struct vf_instance_s* vf)
 209 {
 210     if (vf->priv) {
 211 #ifdef CONFIG_ASS
 212         if (vf->priv->ass_priv)
 213             ass_renderer_done(vf->priv->ass_priv);
 214 #endif
 215         free(vf->priv);
 216     }
 217 }
 218 //===========================================================================//
 219
 220 static int open(vf_instance_t *vf, char* args){
 221     vf->config=config;
 222     vf->control=control;
 223     vf->query_format=query_format;
 224     vf->get_image=get_image;
 225     vf->put_image=put_image;
 226     vf->draw_slice=draw_slice;
 227     vf->start_slice=start_slice;
 228     vf->uninit=uninit;
 229     vf->priv=calloc(1, sizeof(struct vf_priv_s));
 230     vf->priv->vo = (const vo_functions_t *)args;
 231     if(!video_out) return 0; // no vo ?
 232 //    if(video_out->preinit(args)) return 0; // preinit failed
 233     return 1;
 234 }
 235
 236 const vf_info_t vf_info_vo = {
 237     "libvo wrapper",
 238     "vo",
 239     "A'rpi",
 240     "for internal use",
 241     open,
 242     NULL
 243 };
 244
 245 //===========================================================================//