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 "libass/ass.h"
  16 #include "libass/ass_mp.h"
  17 extern ass_track_t* ass_track;
  18 #endif
  19
  20 //===========================================================================//
  21
  22 extern int sub_visibility;
  23 extern float sub_delay;
  24
  25 struct vf_priv_s {
  26     double pts;
  27     struct vo *vo;
  28 #ifdef CONFIG_ASS
  29     ass_renderer_t* ass_priv;
  30     int prev_visibility;
  31 #endif
  32 };
  33 #define video_out (vf->priv->vo)
  34
  35 static int query_format(struct vf_instance* vf, unsigned int fmt); /* forward declaration */
  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
  64     if (vo_config(video_out, width, height, d_width, d_height, flags, "MPlayer", outfmt))
  65         return 0;
  66
  67 #ifdef CONFIG_ASS
  68     if (vf->priv->ass_priv)
  69         ass_configure(vf->priv->ass_priv, width, height, !!(vf->default_caps & VFCAP_EOSD_UNSCALED));
  70 #endif
  71
  72     return 1;
  73 }
  74
  75 static int control(struct vf_instance* vf, int request, void* data)
  76 {
  77     switch(request){
  78     case VFCTRL_GET_DEINTERLACE:
  79     {
  80         if(!video_out) return CONTROL_FALSE; // vo not configured?
  81         return vo_control(video_out, VOCTRL_GET_DEINTERLACE, data) == VO_TRUE;
  82     }
  83     case VFCTRL_SET_DEINTERLACE:
  84     {
  85         if(!video_out) return CONTROL_FALSE; // vo not configured?
  86         return vo_control(video_out, VOCTRL_SET_DEINTERLACE, data) == VO_TRUE;
  87     }
  88     case VFCTRL_DRAW_OSD:
  89         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
  90         vo_draw_osd(video_out, data);
  91         return CONTROL_TRUE;
  92     case VFCTRL_REDRAW_OSD:
  93         return vo_control(video_out, VOCTRL_REDRAW_OSD, data) == true;
  94     case VFCTRL_FLIP_PAGE:
  95     {
  96         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
  97         vo_flip_page(video_out);
  98         return CONTROL_TRUE;
  99     }
 100     case VFCTRL_SET_EQUALIZER:
 101     {
 102         vf_equalizer_t *eq=data;
 103         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
 104         struct voctrl_set_equalizer_args param = {eq->item, eq->value};
 105         return vo_control(video_out, VOCTRL_SET_EQUALIZER, &param) == VO_TRUE;
 106     }
 107     case VFCTRL_GET_EQUALIZER:
 108     {
 109         vf_equalizer_t *eq=data;
 110         if(!video_out->config_ok) return CONTROL_FALSE; // vo not configured?
 111         struct voctrl_get_equalizer_args param = {eq->item, &eq->value};
 112         return vo_control(video_out, VOCTRL_GET_EQUALIZER, &param) == VO_TRUE;
 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 (!video_out->config_ok || !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 (vo_control(video_out, 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 vo_control(video_out, VOCTRL_DRAW_EOSD, &images) == VO_TRUE;
 145     }
 146 #endif
 147     case VFCTRL_GET_PTS:
 148     {
 149         *(double *)data = vf->priv->pts;
 150         return CONTROL_TRUE;
 151     }
 152     }
 153     return CONTROL_UNKNOWN;
 154 }
 155
 156 static int query_format(struct vf_instance* vf, unsigned int fmt){
 157     int flags = vo_control(video_out, VOCTRL_QUERY_FORMAT, &fmt);
 158     // draw_slice() accepts stride, draw_frame() doesn't:
 159     if(flags)
 160         if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
 161             flags|=VFCAP_ACCEPT_STRIDE;
 162     return flags;
 163 }
 164
 165 static void get_image(struct vf_instance* vf,
 166         mp_image_t *mpi){
 167     if (!video_out->config_ok)
 168         return;
 169     // GET_IMAGE is required for hardware-accelerated formats
 170     if(vo_directrendering ||
 171        IMGFMT_IS_XVMC(mpi->imgfmt) || IMGFMT_IS_VDPAU(mpi->imgfmt))
 172         vo_control(video_out, VOCTRL_GET_IMAGE, mpi);
 173 }
 174
 175 static int put_image(struct vf_instance* vf,
 176         mp_image_t *mpi, double pts){
 177   if(!video_out->config_ok) return 0; // vo not configured?
 178   // record pts (potentially modified by filters) for main loop
 179   vf->priv->pts = pts;
 180   // first check, maybe the vo/vf plugin implements draw_image using mpi:
 181   if (vo_control(video_out, VOCTRL_DRAW_IMAGE,mpi)==VO_TRUE) return 1; // done.
 182   // nope, fallback to old draw_frame/draw_slice:
 183   if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
 184     // blit frame:
 185 //    if(mpi->flags&MP_IMGFLAG_PLANAR)
 186     if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
 187         vo_draw_slice(video_out, mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 188     else
 189         vo_draw_frame(video_out, mpi->planes);
 190   }
 191   return 1;
 192 }
 193
 194 static void start_slice(struct vf_instance* vf,
 195                        mp_image_t *mpi) {
 196     if(!video_out->config_ok) return; // vo not configured?
 197     vo_control(video_out, VOCTRL_START_SLICE,mpi);
 198 }
 199
 200 static void draw_slice(struct vf_instance* vf,
 201         unsigned char** src, int* stride, int w,int h, int x, int y){
 202     if(!video_out->config_ok) return; // vo not configured?
 203     vo_draw_slice(video_out, src,stride,w,h,x,y);
 204 }
 205
 206 static void uninit(struct vf_instance* vf)
 207 {
 208     if (vf->priv) {
 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 //===========================================================================//