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