libmpcodecs/vf_vo.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <stdbool.h>
   5
   6 #include "config.h"
   7 #include "mp_msg.h"
   8
   9 #include "mp_image.h"
  10 #include "vf.h"
  11
  12 #include "libvo/video_out.h"
  13
  14 #ifdef CONFIG_ASS
  15 #include "ass_mp.h"
  16 extern ASS_Track *ass_track;
  17 #endif
  18
  19 //===========================================================================//
  20
  21 extern int sub_visibility;
  22 extern float sub_delay;
  23
  24 struct vf_priv_s {
  25     struct vo *vo;
  26 #ifdef CONFIG_ASS
  27     ASS_Renderer *ass_priv;
  28     int prev_visibility;
  29     double scale_ratio;
  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 static void draw_slice(struct vf_instance *vf, unsigned char **src, int *stride, int w,int h, int x, int y);
  36
  37 static int config(struct vf_instance* 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     const vo_info_t *info = video_out->driver->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     // save vo's stride capability for the wanted colorspace:
  62     vf->default_caps=query_format(vf,outfmt);
  63     vf->draw_slice = (vf->default_caps & VOCAP_NOSLICES) ? NULL : draw_slice;
  64
  65     if (vo_config(video_out, width, height, d_width, d_height, flags, "MPlayer", outfmt))
  66         return 0;
  67
  68 #ifdef CONFIG_ASS
  69     vf->priv->scale_ratio = (double) d_width / d_height * height / width;
  70
  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     return 1;
  76 }
  77
  78 static int control(struct vf_instance* vf, int request, void* data)
  79 {
  80     switch(request){
  81     case VFCTRL_GET_DEINTERLACE:
  82     {
  83         if(!video_out) return CONTROL_FALSE; // vo not configured?
  84         return vo_control(video_out, VOCTRL_GET_DEINTERLACE, data) == VO_TRUE;
  85     }
  86     case VFCTRL_SET_DEINTERLACE:
  87     {
  88         if(!video_out) return CONTROL_FALSE; // vo not configured?
  89         return vo_control(video_out, VOCTRL_SET_DEINTERLACE, data) == VO_TRUE;
  90     }
  91     case VFCTRL_DRAW_OSD:
  92         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
  93         vo_draw_osd(video_out, data);
  94         return CONTROL_TRUE;
  95     case VFCTRL_REDRAW_OSD:
  96         return vo_control(video_out, VOCTRL_REDRAW_OSD, data) == true;
  97     case VFCTRL_FLIP_PAGE:
  98     {
  99         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
 100         vo_flip_page(video_out);
 101         return CONTROL_TRUE;
 102     }
 103     case VFCTRL_SET_EQUALIZER:
 104     {
 105         vf_equalizer_t *eq=data;
 106         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
 107         struct voctrl_set_equalizer_args param = {eq->item, eq->value};
 108         return vo_control(video_out, VOCTRL_SET_EQUALIZER, &param) == VO_TRUE;
 109     }
 110     case VFCTRL_GET_EQUALIZER:
 111     {
 112         vf_equalizer_t *eq=data;
 113         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
 114         struct voctrl_get_equalizer_args param = {eq->item, &eq->value};
 115         return vo_control(video_out, VOCTRL_GET_EQUALIZER, &param) == VO_TRUE;
 116     }
 117 #ifdef CONFIG_ASS
 118     case VFCTRL_INIT_EOSD:
 119     {
 120         vf->priv->ass_priv = ass_renderer_init((ASS_Library*)data);
 121         if (!vf->priv->ass_priv) return CONTROL_FALSE;
 122         ass_configure_fonts(vf->priv->ass_priv);
 123         vf->priv->prev_visibility = 0;
 124         return CONTROL_TRUE;
 125     }
 126     case VFCTRL_DRAW_EOSD:
 127     {
 128         mp_eosd_images_t images = {NULL, 2};
 129         double pts = video_out->next_pts;
 130         if (!video_out->config_ok || !vf->priv->ass_priv) return CONTROL_FALSE;
 131         if (sub_visibility && vf->priv->ass_priv && ass_track && (pts != MP_NOPTS_VALUE)) {
 132             mp_eosd_res_t res;
 133             memset(&res, 0, sizeof(res));
 134             if (vo_control(video_out, VOCTRL_GET_EOSD_RES, &res) == VO_TRUE) {
 135                 ass_set_frame_size(vf->priv->ass_priv, res.w, res.h);
 136                 ass_set_margins(vf->priv->ass_priv, res.mt, res.mb, res.ml, res.mr);
 137                 ass_set_aspect_ratio(vf->priv->ass_priv, vf->priv->scale_ratio, 1);
 138             }
 139
 140             images.imgs = ass_mp_render_frame(vf->priv->ass_priv, ass_track, (pts+sub_delay) * 1000 + .5, &images.changed);
 141             if (!vf->priv->prev_visibility)
 142                 images.changed = 2;
 143             vf->priv->prev_visibility = 1;
 144         } else
 145             vf->priv->prev_visibility = 0;
 146         vf->priv->prev_visibility = sub_visibility;
 147         return vo_control(video_out, VOCTRL_DRAW_EOSD, &images) == VO_TRUE;
 148     }
 149 #endif
 150     }
 151     return CONTROL_UNKNOWN;
 152 }
 153
 154 static int query_format(struct vf_instance* vf, unsigned int fmt){
 155     int flags = vo_control(video_out, VOCTRL_QUERY_FORMAT, &fmt);
 156     // draw_slice() accepts stride, draw_frame() doesn't:
 157     if(flags)
 158         if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
 159             flags|=VFCAP_ACCEPT_STRIDE;
 160     return flags;
 161 }
 162
 163 static void get_image(struct vf_instance* vf,
 164         mp_image_t *mpi){
 165     if (!video_out->config_ok)
 166         return;
 167     // GET_IMAGE is required for hardware-accelerated formats
 168     if(vo_directrendering ||
 169        IMGFMT_IS_XVMC(mpi->imgfmt) || IMGFMT_IS_VDPAU(mpi->imgfmt))
 170         vo_control(video_out, VOCTRL_GET_IMAGE, mpi);
 171 }
 172
 173 static int put_image(struct vf_instance* vf,
 174         mp_image_t *mpi, double pts){
 175   if(!video_out->config_ok) return 0; // vo not configured?
 176   // first check, maybe the vo/vf plugin implements draw_image using mpi:
 177   if (vo_draw_image(video_out, mpi, pts) >= 0)
 178       return 1;
 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         vo_draw_slice(video_out, mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 185     else
 186         vo_draw_frame(video_out, mpi->planes);
 187   }
 188   return 1;
 189 }
 190
 191 static void start_slice(struct vf_instance* vf,
 192                        mp_image_t *mpi) {
 193     if(!video_out->config_ok) return; // vo not configured?
 194     vo_control(video_out, VOCTRL_START_SLICE,mpi);
 195 }
 196
 197 static void draw_slice(struct vf_instance* vf,
 198         unsigned char** src, int* stride, int w,int h, int x, int y){
 199     if(!video_out->config_ok) return; // vo not configured?
 200     vo_draw_slice(video_out, src,stride,w,h,x,y);
 201 }
 202
 203 static void uninit(struct vf_instance* vf)
 204 {
 205     if (vf->priv) {
 206         /* Allow VO (which may live on to work with another instance of vf_vo)
 207          * to get rid of numbered-mpi references that will now be invalid. */
 208         vo_control(video_out, VOCTRL_RESET, NULL);
 209 #ifdef CONFIG_ASS
 210         if (vf->priv->ass_priv)
 211             ass_renderer_done(vf->priv->ass_priv);
 212 #endif
 213         free(vf->priv);
 214     }
 215 }
 216 //===========================================================================//
 217
 218 static int open(vf_instance_t *vf, char* args){
 219     vf->config=config;
 220     vf->control=control;
 221     vf->query_format=query_format;
 222     vf->get_image=get_image;
 223     vf->put_image=put_image;
 224     vf->draw_slice=draw_slice;
 225     vf->start_slice=start_slice;
 226     vf->uninit=uninit;
 227     vf->priv=calloc(1, sizeof(struct vf_priv_s));
 228     vf->priv->vo = (struct vo *)args;
 229     if(!video_out) return 0; // no vo ?
 230     return 1;
 231 }
 232
 233 const vf_info_t vf_info_vo = {
 234     "libvo wrapper",
 235     "vo",
 236     "A'rpi",
 237     "for internal use",
 238     open,
 239     NULL
 240 };
 241
 242 //===========================================================================//