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 //===========================================================================//
  14
  15 #define video_out ((vo_functions_t*)(vf->priv))
  16
  17 static int query_format(struct vf_instance_s* vf, unsigned int fmt); /* forward declaration */
  18
  19 static int config(struct vf_instance_s* vf,
  20         int width, int height, int d_width, int d_height,
  21         unsigned int flags, unsigned int outfmt){
  22
  23     if ((width <= 0) || (height <= 0) || (d_width <= 0) || (d_height <= 0))
  24     {
  25         mp_msg(MSGT_CPLAYER, MSGL_ERR, "VO: invalid dimensions!\n");
  26         return 0;
  27     }
  28
  29   if(video_out->info)
  30   { const vo_info_t *info = video_out->info;
  31     mp_msg(MSGT_CPLAYER,MSGL_INFO,"VO: [%s] %dx%d => %dx%d %s %s%s%s%s\n",info->short_name,
  32          width, height,
  33          d_width, d_height,
  34          vo_format_name(outfmt),
  35          (flags&1)?" [fs]":"",
  36          (flags&2)?" [vm]":"",
  37          (flags&4)?" [zoom]":"",
  38          (flags&8)?" [flip]":"");
  39     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Description: %s\n",info->name);
  40     mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Author: %s\n", info->author);
  41     if(info->comment && strlen(info->comment) > 0)
  42         mp_msg(MSGT_CPLAYER,MSGL_V,"VO: Comment: %s\n", info->comment);
  43   }
  44
  45     // save vo's stride capability for the wanted colorspace:
  46     vf->default_caps=query_format(vf,outfmt) & VFCAP_ACCEPT_STRIDE;
  47
  48     if(video_out->config(width,height,d_width,d_height,flags,"MPlayer",outfmt))
  49         return 0;
  50
  51     ++vo_config_count;
  52     return 1;
  53 }
  54
  55 static int control(struct vf_instance_s* vf, int request, void* data)
  56 {
  57     switch(request){
  58 #ifdef USE_OSD
  59     case VFCTRL_DRAW_OSD:
  60         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  61         video_out->draw_osd();
  62         return CONTROL_TRUE;
  63 #endif
  64     case VFCTRL_FLIP_PAGE:
  65     {
  66         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  67         video_out->flip_page();
  68         return CONTROL_TRUE;
  69     }
  70     case VFCTRL_SET_EQUALIZER:
  71     {
  72         vf_equalizer_t *eq=data;
  73         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  74         return((video_out->control(VOCTRL_SET_EQUALIZER, eq->item, eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
  75     }
  76     case VFCTRL_GET_EQUALIZER:
  77     {
  78         vf_equalizer_t *eq=data;
  79         if(!vo_config_count) return CONTROL_FALSE; // vo not configured?
  80         return((video_out->control(VOCTRL_GET_EQUALIZER, eq->item, &eq->value) == VO_TRUE) ? CONTROL_TRUE : CONTROL_FALSE);
  81     }
  82     }
  83     // return video_out->control(request,data);
  84     return CONTROL_UNKNOWN;
  85 }
  86
  87 static int query_format(struct vf_instance_s* vf, unsigned int fmt){
  88     int flags=video_out->control(VOCTRL_QUERY_FORMAT,&fmt);
  89     // draw_slice() accepts stride, draw_frame() doesn't:
  90     if(flags)
  91         if(fmt==IMGFMT_YV12 || fmt==IMGFMT_I420 || fmt==IMGFMT_IYUV)
  92             flags|=VFCAP_ACCEPT_STRIDE;
  93     return flags;
  94 }
  95
  96 static void get_image(struct vf_instance_s* vf,
  97         mp_image_t *mpi){
  98     if(vo_directrendering && vo_config_count)
  99         video_out->control(VOCTRL_GET_IMAGE,mpi);
 100 }
 101
 102 static int put_image(struct vf_instance_s* vf,
 103         mp_image_t *mpi){
 104   if(!vo_config_count) return 0; // vo not configured?
 105   // first check, maybe the vo/vf plugin implements draw_image using mpi:
 106   if(video_out->control(VOCTRL_DRAW_IMAGE,mpi)==VO_TRUE) return 1; // done.
 107   // nope, fallback to old draw_frame/draw_slice:
 108   if(!(mpi->flags&(MP_IMGFLAG_DIRECT|MP_IMGFLAG_DRAW_CALLBACK))){
 109     // blit frame:
 110 //    if(mpi->flags&MP_IMGFLAG_PLANAR)
 111     if(vf->default_caps&VFCAP_ACCEPT_STRIDE)
 112         video_out->draw_slice(mpi->planes,mpi->stride,mpi->w,mpi->h,mpi->x,mpi->y);
 113     else
 114         video_out->draw_frame(mpi->planes);
 115   }
 116   return 1;
 117 }
 118
 119 static void start_slice(struct vf_instance_s* vf,
 120                        mp_image_t *mpi) {
 121     if(!vo_config_count) return; // vo not configured?
 122     video_out->control(VOCTRL_START_SLICE,mpi);
 123 }
 124
 125 static void draw_slice(struct vf_instance_s* vf,
 126         unsigned char** src, int* stride, int w,int h, int x, int y){
 127     if(!vo_config_count) return; // vo not configured?
 128     video_out->draw_slice(src,stride,w,h,x,y);
 129 }
 130
 131 //===========================================================================//
 132
 133 static int open(vf_instance_t *vf, char* args){
 134     vf->config=config;
 135     vf->control=control;
 136     vf->query_format=query_format;
 137     vf->get_image=get_image;
 138     vf->put_image=put_image;
 139     vf->draw_slice=draw_slice;
 140     vf->start_slice=start_slice;
 141     vf->priv=(void*)args; // video_out
 142     if(!video_out) return 0; // no vo ?
 143 //    if(video_out->preinit(args)) return 0; // preinit failed
 144     return 1;
 145 }
 146
 147 vf_info_t vf_info_vo = {
 148     "libvo wrapper",
 149     "vo",
 150     "A'rpi",
 151     "for internal use",
 152     open,
 153     NULL
 154 };
 155
 156 //===========================================================================//