vo_dfbmga.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 1,527 行 · 第 1/4 页

               return -1;
          }
     }
     if (!use_bes && !use_crtc2) {
	  mp_msg( MSGT_VO, MSGL_ERR, "vo_dfbmga: No output selected\n" );
          return -1;
     }

          if ((res = DirectFBInit( NULL, NULL )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: DirectFBInit() failed - %s\n",
                       DirectFBErrorString( res ) );
               return -1;
          }

          switch (tvnorm) {
          case 0:
               DirectFBSetOption( "matrox-tv-standard", "pal" );
               mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: Forced TV standard to PAL\n" );
               break;
          case 1:
               DirectFBSetOption( "matrox-tv-standard", "ntsc" );
               mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: Forced TV standard to NTSC\n" );
               break;
          case 2:
               if (vo_fps > 27) {
                    DirectFBSetOption( "matrox-tv-standard", "ntsc" );
                    mp_msg( MSGT_VO, MSGL_INFO,
                            "vo_dfbmga: Selected TV standard based upon FPS: NTSC\n" );
               } else {
                    DirectFBSetOption( "matrox-tv-standard", "pal" );
                    mp_msg( MSGT_VO, MSGL_INFO,
                            "vo_dfbmga: Selected TV standard based upon FPS: PAL\n" );
               }
               break;
          }

          if ((res = DirectFBCreate( &dfb )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: DirectFBCreate() failed - %s\n",
                       DirectFBErrorString( res ) );
               return -1;
          }

     if (use_bes) {
          struct layer_enum l = {
               "FBDev Primary Layer",
               &primary,
               DFB_UNSUPPORTED
          };
          dfb->EnumDisplayLayers( dfb, get_layer_by_name, &l );
          if (l.res != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "vo_dfbmga: Can't get primary layer - %s\n",
                       DirectFBErrorString( l.res ) );
               uninit();
               return -1;
          }
          if ((res = primary->SetCooperativeLevel( primary, DLSCL_EXCLUSIVE )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "Can't get exclusive access to primary layer - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
          use_input = 1;
     }

     if (force_input != -1)
          use_input = force_input;

     if (use_bes) {
          DFBDisplayLayerConfig      dlc;
          DFBDisplayLayerConfigFlags failed;
          struct layer_enum l = {
               "Matrox Backend Scaler",
               &bes,
               DFB_UNSUPPORTED
          };

          dfb->EnumDisplayLayers( dfb, get_layer_by_name, &l );
          if (l.res != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "Can't get BES layer - %s\n",
                       DirectFBErrorString( l.res ) );
               uninit();
               return -1;
          }
          if ((res = bes->SetCooperativeLevel( bes, DLSCL_EXCLUSIVE )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "Can't get exclusive access to BES - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
          dlc.flags = DLCONF_PIXELFORMAT;
          dlc.pixelformat = DSPF_RGB16;
          if (bes->TestConfiguration( bes, &dlc, &failed ) != DFB_OK) {
               is_g200 = 1;
               use_crtc2 = 0;
          }
     }

     if (use_crtc2) {
          struct layer_enum l = {
#if DIRECTFBVERSION > DFB_VERSION(0,9,20)
               "Matrox CRTC2 Layer",
#else
               "Matrox CRTC2",
#endif
               &crtc2,
               DFB_UNSUPPORTED
          };

          dfb->EnumDisplayLayers( dfb, get_layer_by_name, &l );
          if (l.res != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "Can't get CRTC2 layer - %s\n",
                       DirectFBErrorString( l.res ) );
               uninit();
               return -1;
          }
          if ((res = crtc2->SetCooperativeLevel( crtc2, DLSCL_EXCLUSIVE )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR, "Can't get exclusive access to CRTC2 - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
     }

     if (use_input || use_remote) {
          if ((res = dfb->CreateEventBuffer( dfb, &buffer )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Can't create event buffer - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
     }

     if (use_input) {
          if ((res = dfb->GetInputDevice( dfb, DIDID_KEYBOARD, &keyboard )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Can't get keyboard - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
          if ((res = keyboard->AttachEventBuffer( keyboard, buffer )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Can't attach event buffer to keyboard - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
     }
     if (use_remote) {
          if ((res = dfb->GetInputDevice( dfb, DIDID_REMOTE, &remote )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Can't get remote control - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
          if ((res = remote->AttachEventBuffer( remote, buffer )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Can't attach event buffer to remote control - %s\n",
                       DirectFBErrorString( res ) );
               uninit();
               return -1;
          }
     }
     
     return 0;
}

static void release_config( void )
{
     if (spicframe)
          spicframe->Release( spicframe );
     if (spic)
          spic->Release( spic );
     if (c2frame)
          c2frame->Release( c2frame );
     if (besframe)
          besframe->Release( besframe );
     if (bufs[0])
          bufs[0]->Release( bufs[0] );
     if (bufs[1])
          bufs[1]->Release( bufs[1] );
     if (bufs[2])
          bufs[2]->Release( bufs[2] );
     
     spicframe = NULL;
     spic = NULL;
     c2frame = NULL;
     besframe = NULL;
     bufs[0] = NULL;
     bufs[1] = NULL;
     bufs[2] = NULL;
}

static int
config( uint32_t width, uint32_t height,
        uint32_t d_width, uint32_t d_height,
        uint32_t flags,
        char *title,
	uint32_t format )
{
     DFBResult res;

     DFBDisplayLayerConfig      dlc;
     DFBDisplayLayerConfigFlags failed;

     uint32_t out_width;
     uint32_t out_height;

     release_config();

     in_width  = width;
     in_height = height;

     aspect_save_orig(width, height);
     aspect_save_prescale(d_width, d_height);

     dlc.pixelformat   = imgfmt_to_pixelformat( format );

     {
          /* Draw to a temporary surface */
          DFBSurfaceDescription dsc;

          dsc.flags       = DSDESC_WIDTH | DSDESC_HEIGHT |
                            DSDESC_PIXELFORMAT;
          dsc.width       = (in_width + 15) & ~15;
          dsc.height      = (in_height + 15) & ~15;
          dsc.pixelformat = dlc.pixelformat;

          /* Don't waste video memory since we don't need direct stretchblit */
          if (use_bes) {
               dsc.flags |= DSDESC_CAPS;
               dsc.caps   = DSCAPS_SYSTEMONLY;
          }

          for (num_bufs = 0; num_bufs < 3; num_bufs++) {
               if ((res = dfb->CreateSurface( dfb, &dsc, &bufs[num_bufs] )) != DFB_OK) {
                    if (num_bufs == 0) {
                         mp_msg( MSGT_VO, MSGL_ERR,
                                 "vo_dfbmga: Can't create surfaces - %s!\n",
                                 DirectFBErrorString( res ) );
                         return -1;
                    }
                    break;
               }
          }
          frame = bufs[0];
          current_buf = 0;
          current_ip_buf = 0;
          buf_height = dsc.height;
     }
     frame->GetPixelFormat( frame, &frame_format );
     mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: Video surface %dx%d %s\n",
             in_width, in_height,
             pixelformat_name( frame_format ) );


     /*
      * BES
      */
     if (use_bes) {
          aspect_save_screenres( 0x10000, 0x10000 );
          aspect( &out_width, &out_height, A_ZOOM );
          besrect.x = (0x10000 - out_width) * in_width / out_width / 2;
          besrect.y = (0x10000 - out_height) * in_height / out_height / 2;
          besrect.w = in_width;
          besrect.h = in_height;

          dlc.flags       = DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE;
          dlc.width       = besrect.w + besrect.x * 2;
          dlc.height      = besrect.h + besrect.y * 2;

          if (use_crtc2)
               dlc.buffermode = DLBM_FRONTONLY;
          else
               dlc.buffermode = buffermode;

          if ((res = bes->TestConfiguration( bes, &dlc, &failed )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Invalid BES configuration - %s!\n",
                       DirectFBErrorString( res ) );
               return -1;
          }
          if ((res = bes->SetConfiguration( bes, &dlc )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: BES configuration failed - %s!\n",
                       DirectFBErrorString( res ) );
               return -1;
          }
          bes->GetSurface( bes, &besframe );
          besframe->SetBlittingFlags( besframe, DSBLIT_NOFX );

          bes->SetScreenLocation( bes, 0.0, 0.0, 1.0, 1.0 );

          besframe->Clear( besframe, 0, 0, 0, 0xff );
          besframe->Flip( besframe, NULL, 0 );
          besframe->Clear( besframe, 0, 0, 0, 0xff );
          besframe->Flip( besframe, NULL, 0 );
          besframe->Clear( besframe, 0, 0, 0, 0xff );

          mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: BES using %s buffering\n",
                  dlc.buffermode == DLBM_TRIPLE ? "triple" :
                  dlc.buffermode == DLBM_BACKVIDEO ? "double" : "single" );
          mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: BES surface %dx%d %s\n", dlc.width, dlc.height, pixelformat_name( dlc.pixelformat ) );
     }

     /*
      * CRTC2
      */
     if (use_crtc2) {
          dlc.flags      = DLCONF_PIXELFORMAT | DLCONF_BUFFERMODE | DLCONF_OPTIONS;
          dlc.buffermode = buffermode;
          dlc.options    = DLOP_NONE;

#if DIRECTFBVERSION > DFB_VERSION(0,9,16)
          if (field_parity != -1) {
               dlc.options |= DLOP_FIELD_PARITY;
          }
#endif
          mp_msg( MSGT_VO, MSGL_INFO, "vo_dfbmga: Field parity set to: ");
          switch (field_parity) {
          case -1:
               mp_msg( MSGT_VO, MSGL_INFO, "Don't care\n");
               break;
          case 0:
               mp_msg( MSGT_VO, MSGL_INFO, "Top field first\n");
               break;
          case 1:
               mp_msg( MSGT_VO, MSGL_INFO, "Bottom field first\n");
               break;
          }

          switch (dlc.pixelformat) {
          case DSPF_I420:
          case DSPF_YV12:
               /* sub-picture supported */
               break;

          case DSPF_YUY2:
          case DSPF_UYVY:
               /* Blit to YUY2/UYVY not supported */
               dlc.pixelformat = DSPF_ARGB;

               /* fall through */
          default:
               /* sub-picture not supported */
               use_spic = 0;
          }

          if ((res = crtc2->TestConfiguration( crtc2, &dlc, &failed )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: Invalid CRTC2 configuration - %s!\n",
                       DirectFBErrorString( res ) );
               return -1;
          }
          if ((res = crtc2->SetConfiguration( crtc2, &dlc )) != DFB_OK) {
               mp_msg( MSGT_VO, MSGL_ERR,
                       "vo_dfbmga: CRTC2 configuration failed - %s!\n",
                       DirectFBErrorString( res ) );
               return -1;
          }

#if DIRECTFBVERSION > DFB_VERSION(0,9,16)
          if (field_parity != -1)
               crtc2->SetFieldParity( crtc2, field_parity );
#endif

          crtc2->GetSurface( crtc2, &c2frame );
          c2frame->SetBlittingFlags( c2frame, DSBLIT_NOFX );
          c2frame->SetColor( c2frame, 0, 0, 0, 0xff );

          c2frame->GetSize( c2frame, &screen_width, &screen_height );

          /* Don't stretch only slightly smaller videos */
          if ((in_width > (0.95 * screen_width)) &&
              (in_width < screen_width))
               out_width = in_width;
          else
               out_width = screen_width;