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

         p_render_surface_to_show = osd_rndr;
         p_render_surface_to_show->state = MP_XVMC_STATE_DISPLAY_PENDING;

         if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
            printf("vo_xvmc:draw_osd: surface_to_show changed to %p\n",osd_rndr);
      }//endof if(BLEND)
      if(subpicture_mode == BACKEND_SUBPICTURE){
         rez = XvMCBlendSubpicture(mDisplay,
                       p_render_surface_to_show->p_surface,
                       &subpicture,
                       0, 0, subpicture.width, subpicture.height,
                       0, 0, image_width, image_height);

      }
   
   }//if(BLEND||BACKEND)
}

static void xvmc_sync_surface(XvMCSurface * srf){
int status,rez;
   rez = XvMCGetSurfaceStatus(mDisplay,srf,&status);
   assert(rez==Success);
   if((status & XVMC_RENDERING) == 0)
      return;//surface is already complete
   if(use_sleep){
      rez = XvMCFlushSurface(mDisplay, srf);
      assert(rez==Success);

      do{
         usec_sleep(1000);//1ms (may be 20ms on linux)
         XvMCGetSurfaceStatus(mDisplay,srf,&status);
      } while (status & XVMC_RENDERING);
      return;//done
   }       

   XvMCSyncSurface(mDisplay, srf);
}

static void put_xvmc_image(xvmc_render_state_t * p_render_surface, int draw_ck){
int rez;
int clipX,clipY,clipW,clipH;
int i;

   if(p_render_surface == NULL)
      return;

   clipX = drwX-(vo_panscan_x>>1);
   clipY = drwY-(vo_panscan_y>>1); 
   clipW = vo_dwidth+vo_panscan_x;
   clipH = vo_dheight+vo_panscan_y;
   
   if(draw_ck)
      vo_xv_draw_colorkey(clipX,clipY,clipW,clipH);

   if(benchmark)
      return;

   for (i = 1; i <= bob_deinterlace + 1; i++) {
   int field = top_field_first ? i : i ^ 3;
   rez = XvMCPutSurface(mDisplay, p_render_surface->p_surface, 
                        vo_window,
                        0, 0, image_width, image_height,
                        clipX, clipY, clipW, clipH,
                        bob_deinterlace ? field : 3);
                        //p_render_surface_to_show->display_flags);
   if(rez != Success){
      printf("vo_xvmc: PutSurface failer, critical error %d!\n",rez);
      assert(0);
   }
   }
   XFlush(mDisplay);
}

static void flip_page(void){
int i,cfs;


   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: flip_page  show(rndr=%p)\n\n",p_render_surface_to_show);

   if(p_render_surface_to_show == NULL) return;
   assert( p_render_surface_to_show->magic == MP_XVMC_RENDER_MAGIC );
//fixme   assert( p_render_surface_to_show != p_render_surface_visible);

   if(use_queue){
      // fill the queue until only n free surfaces remain
      // after that start displaying
      cfs = count_free_surfaces();
      show_queue[free_element++] = p_render_surface_to_show;
      if(cfs > 3){//well have 3 free surfaces after add queue
         if(free_element > 1)//a little voodoo magic
            xvmc_sync_surface(show_queue[0]->p_surface);
         return; 
      }
      p_render_surface_to_show=show_queue[0];
      if( mp_msg_test(MSGT_VO,MSGL_DBG5) )
         printf("vo_xvmc: flip_queue free_element=%d\n",free_element);
      free_element--;
      for(i=0; i<free_element; i++){
         show_queue[i] = show_queue[i+1];
      }
      show_queue[free_element] = NULL;
   }

// make sure the rendering is done
   xvmc_sync_surface(p_render_surface_to_show->p_surface);

//the visible surface won't be displayed anymore, mark it as free
   if(p_render_surface_visible != NULL)
      p_render_surface_visible->state &= ~MP_XVMC_STATE_DISPLAY_PENDING;

//!!fixme   assert(p_render_surface_to_show->state & MP_XVMC_STATE_DISPLAY_PENDING);

   //show it, displaying is always vsynced, so skip it for benchmark
   put_xvmc_image(p_render_surface_to_show,first_frame);
   first_frame=0;//make sure we won't draw it anymore

   p_render_surface_visible = p_render_surface_to_show;
   p_render_surface_to_show = NULL;
}

static void check_events(void){
Window mRoot;
uint32_t drwBorderWidth,drwDepth;

int e=vo_x11_check_events(mDisplay);
   if(e&VO_EVENT_RESIZE)
   {
      e |= VO_EVENT_EXPOSE;

      XGetGeometry( mDisplay,vo_window,&mRoot,&drwX,&drwY,&vo_dwidth,&vo_dheight,
                   &drwBorderWidth,&drwDepth );
      mp_msg(MSGT_VO,MSGL_V, "[xvmc] dx: %d dy: %d dw: %d dh: %d\n",drwX,drwY,
              vo_dwidth,vo_dheight );

      calc_drwXY(&drwX, &drwY);
   }
   if ( e & VO_EVENT_EXPOSE )
   {
      put_xvmc_image(p_render_surface_visible,1);
   }
}

static void xvmc_free(void){
int i;
   if( subpicture_alloc ){

      XvMCDestroySubpicture(mDisplay,&subpicture);
      deallocate_xvimage();

      subpicture_alloc = 0;

      if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
         printf("vo_xvmc: subpicture destroyed\n");
   }

   if( number_of_surfaces ){

      XvMCDestroyMacroBlocks(mDisplay,&mv_blocks);
      XvMCDestroyBlocks(mDisplay,&data_blocks);

      for(i=0; i<number_of_surfaces; i++)
      {
         XvMCHideSurface(mDisplay,&surface_array[i]);//it doesn't hurt, I hope
         XvMCDestroySurface(mDisplay,&surface_array[i]);

         if( (surface_render[i].state != 0) && 
             (p_render_surface_visible != &surface_render[i]) )
            printf("vo_xvmc::uninit surface_render[%d].status=%d\n",i,
                    surface_render[i].state); 
      }

      memset(surface_render,0,MAX_SURFACES*sizeof(xvmc_render_state_t));//for debuging
      free(surface_render);surface_render=NULL;

      XvMCDestroyContext(mDisplay,&ctx);
      number_of_surfaces = 0;

      if( mp_msg_test(MSGT_VO,MSGL_DBG4) ) {
         printf("vo_xvmc: Context sucessfuly freed\n"); }
   }


   if( xv_port !=0 ){
      XvUngrabPort(mDisplay,xv_port,CurrentTime);
      xv_port = 0;
      if( mp_msg_test(MSGT_VO,MSGL_DBG4) ) {
         printf("vo_xvmc: xv_port sucessfuly ungrabed\n"); }
   }
}

static void uninit(void){
   if( mp_msg_test(MSGT_VO,MSGL_DBG4) ) {
      printf("vo_xvmc: uninit called\n"); }
   xvmc_free();
 //from vo_xv
#ifdef HAVE_XF86VM
   vo_vm_close(mDisplay);
#endif
   vo_x11_uninit();
}

static int query_format(uint32_t format){
uint32_t flags;
XvMCSurfaceInfo qsurface_info;
int mode_id;

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: query_format=%X\n",format);

   if(!IMGFMT_IS_XVMC(format)) return 0;// no caps supported
   mode_id = xvmc_find_surface_by_format(format, 16, 16, &qsurface_info, 1);//true=1 - quering

   if( mode_id == 0 ) return 0;

   flags = VFCAP_CSP_SUPPORTED |
           VFCAP_CSP_SUPPORTED_BY_HW |
	   VFCAP_ACCEPT_STRIDE;

   if( (qsurface_info.subpicture_max_width  != 0) &&
       (qsurface_info.subpicture_max_height != 0) )
      flags|=VFCAP_OSD;
   return flags;
}


static int draw_slice(uint8_t *image[], int stride[],
			   int w, int h, int x, int y){
xvmc_render_state_t * rndr;
int rez;

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: draw_slice y=%d\n",y);

   rndr = (xvmc_render_state_t*)image[2];//this is copy of priv-ate
   assert( rndr != NULL );
   assert( rndr->magic == MP_XVMC_RENDER_MAGIC );

   rez = XvMCRenderSurface(mDisplay,&ctx,rndr->picture_structure,
             		   rndr->p_surface,
                           rndr->p_past_surface,
                           rndr->p_future_surface,
                           rndr->flags,
                           rndr->filled_mv_blocks_num,rndr->start_mv_blocks_num,
                           &mv_blocks,&data_blocks);
#if 1
   if(rez != Success)
   {
   int i;
      printf("vo_xvmc::slice: RenderSirface returned %d\n",rez);

      printf("vo_xvmc::slice: pict=%d,flags=%x,start_blocks=%d,num_blocks=%d\n",
             rndr->picture_structure,rndr->flags,rndr->start_mv_blocks_num,
             rndr->filled_mv_blocks_num);
      printf("vo_xvmc::slice: this_surf=%p, past_surf=%p, future_surf=%p\n",
             rndr->p_surface,rndr->p_past_surface,rndr->p_future_surface);

      for(i=0; i<rndr->filled_mv_blocks_num; i++){
       XvMCMacroBlock* testblock;
         testblock = &mv_blocks.macro_blocks[i];

	 printf("vo_xvmc::slice: mv_block - x=%d,y=%d,mb_type=0x%x,mv_type=0x%x,mv_field_select=%d\n",
	        testblock->x,testblock->y,testblock->macroblock_type,
	        testblock->motion_type,testblock->motion_vertical_field_select);
         printf("vo_xvmc::slice: dct_type=%d,data_index=0x%x,cbp=%d,pad0=%d\n",
	         testblock->dct_type,testblock->index,testblock->coded_block_pattern,
	         testblock->pad0);
         printf("vo_xvmc::slice: PMV[0][0][0/1]=(%d,%d)\n",
	         testblock->PMV[0][0][0],testblock->PMV[0][0][1]);
       }
   }
#endif
   assert(rez==Success);
   if( mp_msg_test(MSGT_VO,MSGL_DBG4) ) printf("vo_xvmc: flush surface\n");
   rez = XvMCFlushSurface(mDisplay, rndr->p_surface);
   assert(rez==Success);

//   rndr->start_mv_blocks_num += rndr->filled_mv_blocks_num;
   rndr->start_mv_blocks_num = 0;
   rndr->filled_mv_blocks_num = 0;

   rndr->next_free_data_block_num = 0;

   return VO_TRUE;
}

//XvMCHide hides the surface on next retrace, so
//check if the surface is not still displaying
static void check_osd_source(xvmc_render_state_t * src_rndr){
xvmc_render_state_t * osd_rndr;
int stat;
      //If this is source surface, check does the OSD rendering is compleate
      if(src_rndr->state & MP_XVMC_STATE_OSD_SOURCE){
         if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
            printf("vo_xvmc: OSD surface=%p quering\n",src_rndr);
         osd_rndr = src_rndr->p_osd_target_surface_render;
         XvMCGetSurfaceStatus(mDisplay, osd_rndr->p_surface, &stat);
         if(!(stat & XVMC_RENDERING))
            src_rndr->state &= ~MP_XVMC_STATE_OSD_SOURCE;
      }
}
static int count_free_surfaces(){
int i,num;
   num=0;
   for(i=0; i<number_of_surfaces; i++){
      check_osd_source(&surface_render[i]);
      if(surface_render[i].state == 0)
        num++;
   }
   return num;
}

static xvmc_render_state_t * find_free_surface(){
int i,t;
int stat;
xvmc_render_state_t * visible_rndr;

   visible_rndr = NULL;
   for(i=0; i<number_of_surfaces; i++){

      check_osd_source(&surface_render[i]);
      if( surface_render[i].state == 0){
         XvMCGetSurfaceStatus(mDisplay, surface_render[i].p_surface,&stat);
         if( (stat & XVMC_DISPLAYING) == 0 ) 
            return &surface_render[i];
         visible_rndr = &surface_render[i];// remember it, use as last resort
      }
   }

   //all surfaces are busy, but there is one that will be free
   //on next monitor retrace, we just have to wait
   if(visible_rndr != NULL){       
      printf("vo_xvmc: waiting retrace\n");
      for(t=0;t<1000;t++){ 
         usec_sleep(1000);//1ms
         XvMCGetSurfaceStatus(mDisplay, visible_rndr->p_surface,&stat);
         if( (stat & XVMC_DISPLAYING) == 0 ) 
            return visible_rndr;
      }
   }
//todo remove when stable
   printf("vo_xvmc: no free surfaces, this should not happen in g1\n");
   for(i=0;i<number_of_surfaces;i++)
      printf("vo_xvmc: surface[%d].state=%d\n",i,surface_render[i].state);
   return NULL;
}

static void xvmc_clean_surfaces(void){
int i;

  for(i=0; i<number_of_surfaces; i++){

      surface_render[i].state&=!( MP_XVMC_STATE_DISPLAY_PENDING |
                                  MP_XVMC_STATE_OSD_SOURCE |
                                  0);
      surface_render[i].p_osd_target_surface_render=NULL;
      if(surface_render[i].state != 0){
         mp_msg(MSGT_VO,MSGL_WARN,"vo_xvmc: surface[%d].state=%d\n",
                                   i,surface_render[i].state);
      }
   }
   free_element=0;//clean up the queue
}

static uint32_t get_image(mp_image_t *mpi){
xvmc_render_state_t * rndr;

   rndr = find_free_surface();

   if(rndr == NULL){
      printf("vo_xvmc: get_image failed\n");
      return VO_FALSE;
   }

assert(rndr->start_mv_blocks_num == 0);
assert(rndr->filled_mv_blocks_num == 0);
assert(rndr->next_free_data_block_num == 0);

   mpi->flags |= MP_IMGFLAG_DIRECT;
//keep strides 0 to avoid field manipulations
   mpi->stride[0] = 0;
   mpi->stride[1] = 0;
   mpi->stride[2] = 0;

// these are shared!! so watch out
// do call RenderSurface before overwriting
   mpi->planes[0] = (char*)data_blocks.blocks;   
   mpi->planes[1] = (char*)mv_blocks.macro_blocks;
   mpi->priv =
   mpi->planes[2] = (char*)rndr;

   rndr->picture_structure = 0;
   rndr->flags = 0;
   rndr->state = 0;
   rndr->start_mv_blocks_num = 0;
   rndr->filled_mv_blocks_num = 0;
   rndr->next_free_data_block_num = 0;

   if( mp_msg_test(MSGT_VO,MSGL_DBG4) )
      printf("vo_xvmc: get_image: rndr=%p (surface=%p) \n",
             rndr,rndr->p_surface);
return VO_TRUE;   
}

static int control(uint32_t request, void *data, ... )
{
   switch (request){
      case VOCTRL_GET_DEINTERLACE:
        *(int*)data = bob_deinterlace;
        return VO_TRUE;
      case VOCTRL_SET_DEINTERLACE:
        bob_deinterlace = *(int*)data;
        return VO_TRUE;
      case VOCTRL_QUERY_FORMAT:
         return query_format(*((uint32_t*)data));
      case VOCTRL_DRAW_IMAGE:
         return xvmc_draw_image((mp_image_t *)data);
      case VOCTRL_GET_IMAGE:
	 return get_image((mp_image_t *)data);
      //vo_xv
      case VOCTRL_GUISUPPORT:
         return VO_TRUE;
      case VOCTRL_ONTOP:
         vo_x11_ontop();
	 return VO_TRUE;
      case VOCTRL_FULLSCREEN:
         vo_x11_fullscreen();
      // indended, fallthrough to update panscan on fullscreen/windowed switch
      case VOCTRL_SET_PANSCAN:
         if ( ( vo_fs && ( vo_panscan != vo_panscan_amount ) ) || ( !vo_fs && vo_panscan_amount ) )
         {
            int old_y = vo_panscan_y;
            panscan_calc();

            if(old_y != vo_panscan_y)
            {
	       //this also draws the colorkey
               put_xvmc_image(p_render_surface_visible,1);
            }
         }
         return VO_TRUE;
      case VOCTRL_GET_PANSCAN:
         if ( !vo_config_count || !vo_fs ) return VO_FALSE;
         return VO_TRUE;
      case VOCTRL_SET_EQUALIZER:
      {
      va_list ap;
      int value;

         va_start(ap, data);
         value = va_arg(ap, int);
         va_end(ap);

         return(vo_xv_set_eq(xv_port, data, value));
      }

      case VOCTRL_GET_EQUALIZER:
      {
      va_list ap;
      int *value;

         va_start(ap, data);
         value = va_arg(ap, int*);
         va_end(ap);

         return(vo_xv_get_eq(xv_port, data, value));
      }
      case VOCTRL_UPDATE_SCREENINFO:
         update_xinerama_info();
         return VO_TRUE;
   }
return VO_NOTIMPL;
}