vo_xvmc.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 1,427 行 · 第 1/3 页

         xvmc_clean_surfaces();
         goto skip_surface_allocation;
      }
      xvmc_free();
   };
   numblocks=((width+15)/16)*((height+15)/16);
// Find Supported Surface Type
   mode_id = xvmc_find_surface_by_format(format,width,height,&surface_info,0);//false=1 to grab port, not query
   if ( mode_id == 0 )
   {
      return -1;
   }

   rez = XvMCCreateContext(mDisplay, xv_port,mode_id,width,height,XVMC_DIRECT,&ctx);
   if( rez != Success ){
      printf("vo_xvmc: XvMCCreateContext failed with error %d\n",rez);
      return -1;
   }
   if( ctx.flags & XVMC_DIRECT ){
      printf("vo_xvmc: Allocated Direct Context\n");
   }else{
      printf("vo_xvmc: Allocated Indirect Context!\n");
   }


   blocks_per_macroblock = 6;
   if(surface_info.chroma_format == XVMC_CHROMA_FORMAT_422)
      blocks_per_macroblock = 8;
   if(surface_info.chroma_format == XVMC_CHROMA_FORMAT_444)
      blocks_per_macroblock = 12;

   rez = XvMCCreateBlocks(mDisplay,&ctx,numblocks*blocks_per_macroblock,&data_blocks);
   if( rez != Success ){
      XvMCDestroyContext(mDisplay,&ctx);
      return -1;
   }
   printf("vo_xvmc: data_blocks allocated\n");

   rez = XvMCCreateMacroBlocks(mDisplay,&ctx,numblocks,&mv_blocks);
   if( rez != Success ){
      XvMCDestroyBlocks(mDisplay,&data_blocks);
      XvMCDestroyContext(mDisplay,&ctx);
      return -1;
   }
   printf("vo_xvmc: mv_blocks allocated\n");

   if(surface_render==NULL)
      surface_render=malloc(MAX_SURFACES*sizeof(xvmc_render_state_t));//easy mem debug
   memset(surface_render,0,MAX_SURFACES*sizeof(xvmc_render_state_t));

   for(i=0; i<MAX_SURFACES; i++){
      rez=XvMCCreateSurface(mDisplay,&ctx,&surface_array[i]);
      if( rez != Success )
	 break;
      surface_render[i].magic = MP_XVMC_RENDER_MAGIC;
      surface_render[i].data_blocks = data_blocks.blocks;
      surface_render[i].mv_blocks = mv_blocks.macro_blocks;
      surface_render[i].total_number_of_mv_blocks = numblocks;
      surface_render[i].total_number_of_data_blocks = numblocks*blocks_per_macroblock;;
      surface_render[i].mc_type = surface_info.mc_type & (~XVMC_IDCT);
      surface_render[i].idct = (surface_info.mc_type & XVMC_IDCT) == XVMC_IDCT;
      surface_render[i].chroma_format = surface_info.chroma_format;
      surface_render[i].unsigned_intra = (surface_info.flags & XVMC_INTRA_UNSIGNED) == XVMC_INTRA_UNSIGNED;
      surface_render[i].p_surface = &surface_array[i];
      if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
          printf("vo_xvmc: surface[%d] = %p .rndr=%p\n",i,&surface_array[i], &surface_render[i]);
   }
   number_of_surfaces = i;
   if( number_of_surfaces < 4 ){// +2 I or P and +2 for B (to avoid visible motion drawing)
      printf("vo_xvmc: Unable to allocate at least 4 Surfaces\n");
      uninit();
      return -1;
   }
   printf("vo_xvmc: Motion Compensation context allocated - %d surfaces\n",
          number_of_surfaces);

  //debug
   printf("vo_xvmc: idct=%d unsigned_intra=%d\n",
           (surface_info.mc_type & XVMC_IDCT) == XVMC_IDCT,
	   (surface_info.flags & XVMC_INTRA_UNSIGNED) == XVMC_INTRA_UNSIGNED);

// Find way to display OSD & subtitle
   printf("vo_xvmc: looking for OSD support\n");
   subpicture_mode = NO_SUBPICTURE;
   if(surface_info.flags & XVMC_OVERLAID_SURFACE)
      subpicture_mode = OVERLAY_SUBPICTURE;

   if(surface_info.subpicture_max_width  != 0 && 
      surface_info.subpicture_max_height != 0  ){
      int s,k,num_subpic;

      XvImageFormatValues * xvfmv;
      xvfmv = XvMCListSubpictureTypes(mDisplay, xv_port,
                      surface_info.surface_type_id, &num_subpic);

      if(num_subpic != 0 && xvfmv != NULL){
         if( mp_msg_test(MSGT_VO,MSGL_DBG4) ){//Print all subpicture types for debug
            for(s=0;s<num_subpic;s++)
               print_xvimage_format_values(&xvfmv[s]);
         }

         for(s=0;s<num_subpic;s++){
            for(k=0;osd_render[k].draw_func_ptr!=NULL;k++){
               if(xvfmv[s].id == osd_render[k].id)
               {  
                  init_osd_fnc  = osd_render[k].init_func_ptr;
                  draw_osd_fnc  = osd_render[k].draw_func_ptr;
                  clear_osd_fnc = osd_render[k].clear_func_ptr;

                  subpicture_mode = BLEND_SUBPICTURE;
                  subpicture_info = xvfmv[s];
                  printf("    Subpicture id 0x%08X\n",subpicture_info.id);
                  goto found_subpic;
               }
            }
         }
found_subpic:
         XFree(xvfmv); 
      }
      //Blend2 supicture is always possible, blend1 only at backend
      if( (subpicture_mode == BLEND_SUBPICTURE) &&
          (surface_info.flags & XVMC_BACKEND_SUBPICTURE) )
      {
         subpicture_mode = BACKEND_SUBPICTURE;
      }

   }

   switch(subpicture_mode){
      case NO_SUBPICTURE:
         printf("vo_xvmc: No OSD support for this mode\n");
         break;
      case OVERLAY_SUBPICTURE:
         printf("vo_xvmc: OSD support via color key tricks\n");
         printf("vo_xvmc: not yet implemented:(\n");
         break;
      case BLEND_SUBPICTURE:
         printf("vo_xvmc: OSD support by additional frontend rendering\n");
         break;
      case BACKEND_SUBPICTURE:
         printf("vo_xvmc: OSD support by backend rendering (fast)\n");
         printf("vo_xvmc: Please send feedback to confirm that it works,otherwise send bugreport!\n");
         break;
   }

//take keycolor value and choose method for handling it
   if ( !vo_xv_init_colorkey() )
   {
     return -1; // bail out, colorkey setup failed
   }

   vo_xv_enable_vsync();//it won't break anything

//taken from vo_xv
   image_height = height;
   image_width = width;

skip_surface_allocation:

   vo_mouse_autohide = 1;

#ifdef HAVE_XF86VM
   if( flags&VOFLAG_MODESWITCHING ) vm = 1;
#endif

#ifdef HAVE_NEW_GUI
   if(use_gui)
      guiGetEvent( guiSetShVideo,0 ); // let the GUI to setup/resize our window
   else
#endif
   {
      hint.x = vo_dx;
      hint.y = vo_dy;
      hint.width = d_width;
      hint.height = d_height;
#ifdef HAVE_XF86VM
      if ( vm )
      {
	 if ((d_width==0) && (d_height==0))
	    { vm_width=image_width; vm_height=image_height; }
	 else
	    { vm_width=d_width; vm_height=d_height; }
	 vo_vm_switch(vm_width, vm_height,&modeline_width, &modeline_height);
	 hint.x=(vo_screenwidth-modeline_width)/2;
	 hint.y=(vo_screenheight-modeline_height)/2;
	 hint.width=modeline_width;
	 hint.height=modeline_height;
	 aspect_save_screenres(modeline_width,modeline_height);
      }
      else
#endif
   hint.flags = PPosition | PSize /* | PBaseSize */;
   hint.base_width = hint.width; hint.base_height = hint.height;
   XGetWindowAttributes(mDisplay, DefaultRootWindow(mDisplay), &attribs);
   depth=attribs.depth;
   if (depth != 15 && depth != 16 && depth != 24 && depth != 32) depth = 24;
   XMatchVisualInfo(mDisplay, mScreen, depth, TrueColor, &vinfo);

   xswa.background_pixel = 0;
   if (xv_ck_info.method == CK_METHOD_BACKGROUND)
      xswa.background_pixel = xv_colorkey;
   xswa.border_pixel     = 0;
   xswamask = CWBackPixel | CWBorderPixel;

   if ( WinID>=0 ){
      vo_window = WinID ? ((Window)WinID) : mRootWin;
      if ( WinID ) 
      {
         Window mRoot;
         uint32_t drwBorderWidth, drwDepth;
         XUnmapWindow( mDisplay,vo_window );
         XChangeWindowAttributes( mDisplay,vo_window,xswamask,&xswa );
	 vo_x11_selectinput_witherr( mDisplay,vo_window,StructureNotifyMask | KeyPressMask | PropertyChangeMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask | ExposureMask );
         XMapWindow( mDisplay,vo_window );
         XGetGeometry(mDisplay, vo_window, &mRoot,
                      &drwX, &drwY, &vo_dwidth, &vo_dheight,
                      &drwBorderWidth, &drwDepth);
         aspect_save_prescale(vo_dwidth, vo_dheight);
      }
   } else 
      vo_x11_create_vo_window(&vinfo, vo_dx, vo_dy, d_width, d_height, flags,
              CopyFromParent, "xvmc", title);
      XChangeWindowAttributes(mDisplay, vo_window, xswamask, &xswa);

      if ( vo_gc != None ) XFreeGC( mDisplay,vo_gc );
      vo_gc = XCreateGC(mDisplay, vo_window, GCForeground, &xgcv);
      XSync(mDisplay, False);
#ifdef HAVE_XF86VM
      if ( vm )
      {
      /* Grab the mouse pointer in our window */
         if(vo_grabpointer)
         XGrabPointer(mDisplay, vo_window, True, 0,
                      GrabModeAsync, GrabModeAsync,
                      vo_window, None, CurrentTime );
         XSetInputFocus(mDisplay, vo_window, RevertToNone, CurrentTime);
      }
#endif
   }

   aspect(&vo_dwidth, &vo_dheight, A_NOZOOM);
   if ((flags & VOFLAG_FULLSCREEN) && WinID <= 0) vo_fs = 1;
   calc_drwXY(&drwX, &drwY);

   panscan_calc();

   mp_msg(MSGT_VO,MSGL_V, "[xvmc] dx: %d dy: %d dw: %d dh: %d\n",drwX,drwY,vo_dwidth,vo_dheight );

   if (vo_ontop) vo_x11_setlayer(mDisplay, vo_window, vo_ontop);

//end vo_xv

   /* store image dimesions for displaying */
   p_render_surface_visible = NULL;
   p_render_surface_to_show = NULL;

   free_element = 0;
   first_frame = 1;

   vo_directrendering = 1;//ugly hack, coz xvmc works only with direct rendering
   image_format=format;
   return 0;		
}

static int draw_frame(uint8_t *srcp[]){
   UNUSED(srcp);
   assert(0);
}

static void init_osd_yuv_pal(){
   char * palette;
   int rez;
   int i,j;
   int snum,seb;
   int Y,U,V;

   subpicture_clear_color = 0;

   if(subpicture.num_palette_entries > 0){

      snum = subpicture.num_palette_entries;
      seb = subpicture.entry_bytes;
      palette = malloc(snum*seb);//check fail
      if(palette == NULL) return;
      for(i=0; i<snum; i++){
         // 0-black max-white the other are gradients
         Y = i*(1 << subpicture_info.y_sample_bits)/snum;//snum=2;->(0),(1*(1<<1)/2)
         U = 1 << (subpicture_info.u_sample_bits - 1);
         V = 1 << (subpicture_info.v_sample_bits - 1);
         for(j=0; j<seb; j++)
            switch(subpicture.component_order[j]){
               case 'U': palette[i*seb+j] = U; break;
               case 'V': palette[i*seb+j] = V; break;
               case 'Y': 
               default:
                         palette[i*seb+j] = Y; break;
         }
      }
      rez = XvMCSetSubpicturePalette(mDisplay, &subpicture, palette);
      if(rez!=Success){
         printf("vo_xvmc: Setting palette failed.\n");
      }
      free(palette);
   }
}

static void clear_osd_subpic(int x0, int y0, int w, int h){
int rez;
   rez=XvMCClearSubpicture(mDisplay, &subpicture,
                       x0, y0, w,h,
                       subpicture_clear_color);
   if(rez != Success)
      printf("vo_xvmc: XvMCClearSubpicture failed!\n");
}

static void OSD_init(){
unsigned short osd_height, osd_width;
int rez;

   if(subpicture_alloc){
      if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
         printf("vo_xvmc: destroying subpicture\n");
      XvMCDestroySubpicture(mDisplay,&subpicture);
      deallocate_xvimage();
      subpicture_alloc = 0;
   }

/*   if(surface_info.flags & XVMC_SUBPICTURE_INDEPENDENT_SCALING){
      osd_width = vo_dwidth;
      osd_height = vo_dheight;
   }else*/
   {
      osd_width = image_width;
      osd_height = image_height;
   }

   if(osd_width > surface_info.subpicture_max_width)
      osd_width = surface_info.subpicture_max_width;
   if(osd_height > surface_info.subpicture_max_height)
      osd_height = surface_info.subpicture_max_height;
   if(osd_width == 0 || osd_height == 0) 
      return;//if called before window size is known

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: creating subpicture (%d,%d) format %X\n",
              osd_width,osd_height,subpicture_info.id);

   rez = XvMCCreateSubpicture(mDisplay,&ctx,&subpicture,
                           osd_width,osd_height,subpicture_info.id);
   if(rez != Success){
      subpicture_mode = NO_SUBPICTURE;
      printf("vo_xvmc: Create Subpicture failed, OSD disabled\n");
      return;
   }
   if( mp_msg_test(MSGT_VO,MSGL_DBG4) ){
   int i;
      printf("vo_xvmc: Created Subpicture:\n");
      printf("         xvimage_id=0x%X\n",subpicture.xvimage_id);
      printf("         width=%d\n",subpicture.width);
      printf("         height=%d\n",subpicture.height);
      printf("         num_palette_entries=0x%X\n",subpicture.num_palette_entries);
      printf("         entry_bytes=0x%X\n",subpicture.entry_bytes);

      printf("         component_order=\"");
      for(i=0; i<4; i++)
         if(subpicture.component_order[i] >= 32)
            printf("%c", subpicture.component_order[i]);
      printf("\"\n");
   }
   
   //call init for the surface type
   init_osd_fnc();//init palete,clear color etc ...
   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: clearing subpicture\n");
   clear_osd_fnc(0, 0, subpicture.width, subpicture.height);

   allocate_xvimage(subpicture.width, subpicture.height, subpicture_info.id);
   subpicture_alloc = 1;
}

static void draw_osd_IA44(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
int ox,oy;
int rez;

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc:composite AI44 subpicture (%d,%d - %d,%d)\n",x0,y0,w,h);

   for(ox=0; ox<w; ox++){
      for(oy=0; oy<h; oy++){
         xvimage->data[oy*xvimage->width+ox] = (src[oy*stride+ox]>>4) | ((0-srca[oy*stride+ox])&0xf0);
      }
   }
   rez = XvMCCompositeSubpicture(mDisplay, &subpicture, xvimage, 0, 0,
                           w,h,x0,y0);
   if(rez != Success){
      printf("vo_xvmc: composite subpicture failed\n");
      assert(0);
   }
}

static void draw_osd_AI44(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
int ox,oy;
int rez;
   if(  mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc:composite AI44 subpicture (%d,%d - %d,%d)\n",x0,y0,w,h);

   for(ox=0; ox<w; ox++){
      for(oy=0; oy<h; oy++){
         xvimage->data[oy*xvimage->width+ox] = (src[oy*stride+ox]&0xf0) | (((0-srca[oy*stride+ox])>>4)&0xf);
      }
   }
   rez = XvMCCompositeSubpicture(mDisplay, &subpicture, xvimage, 0, 0,
                           w,h,x0,y0);
   if(rez != Success){
      printf("vo_xvmc: composite subpicture failed\n");
      assert(0);
   }
}

static void draw_osd(void){
xvmc_render_state_t * osd_rndr;
int osd_has_changed;
int have_osd_to_draw;
int rez;

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: draw_osd ,OSD_mode=%d, surface_to_show=%p\n",
             subpicture_mode,p_render_surface_to_show);

   if(subpicture_mode == BLEND_SUBPICTURE || 
      subpicture_mode == BACKEND_SUBPICTURE ){

      if(!subpicture_alloc) //allocate subpicture when dimensions are known
         OSD_init();
      if(!subpicture_alloc) 
         return;//dimensions still unknown.

      osd_has_changed = vo_update_osd(subpicture.width, subpicture.height);
      have_osd_to_draw = vo_osd_check_range_update(0, 0, subpicture.width, 
                                                         subpicture.height); 

      if(!have_osd_to_draw)
         return;//nothing to draw,no subpic, no blend

      if(osd_has_changed){
         //vo_remove_text(subpicture.width, subpicture.height,clear_osd_fnc)
         clear_osd_fnc(0,0,subpicture.width,subpicture.height);
         vo_draw_text(subpicture.width, subpicture.height, draw_osd_fnc);
      }
      XvMCSyncSubpicture(mDisplay,&subpicture);//todo usleeep wait!

      if(subpicture_mode == BLEND_SUBPICTURE){
         osd_rndr = find_free_surface();
         if(osd_rndr == NULL) 
            return;// no free surface to draw OSD in

         rez = XvMCBlendSubpicture2(mDisplay,
                       p_render_surface_to_show->p_surface, osd_rndr->p_surface,
                       &subpicture,
                       0, 0, subpicture.width, subpicture.height,
                       0, 0, image_width, image_height);
         if(rez!=Success){
            printf("vo_xvmc: BlendSubpicture failed rez=%d\n",rez);
            assert(0);
            return;
         }
//       XvMCFlushSurface(mDisplay,osd_rndr->p_surface);//fixme- should I?

         //When replaceing the surface with osd one, save the flags too!
         osd_rndr->picture_structure = p_render_surface_to_show->picture_structure;
         osd_rndr->display_flags = p_render_surface_to_show->display_flags;
//add more if needed    osd_rndr-> = p_render_surface_to_show->;

         p_render_surface_to_show->state &= ~MP_XVMC_STATE_DISPLAY_PENDING;
         p_render_surface_to_show->state |= MP_XVMC_STATE_OSD_SOURCE;
         p_render_surface_to_show->p_osd_target_surface_render = osd_rndr;