void ff_xvmc_init_block ( MpegEncContext * s ) {
 struct xvmc_pix_fmt * render = ( struct xvmc_pix_fmt * ) s -> current_picture . f . data [ 2 ] ;
 assert ( render && render -> xvmc_id == AV_XVMC_ID ) ;
 s -> block = ( int16_t ( * ) [ 64 ] ) ( render -> data_blocks + render -> next_free_data_block_num * 64 ) ;
 }
void ff_xvmc_init_block ( MpegEncContext * s ) {
 struct xvmc_pix_fmt * render = ( struct xvmc_pix_fmt * ) s -> current_picture . f . data [ 2 ] ;
 assert ( render && render -> xvmc_id == AV_XVMC_ID ) ;
 s -> block = ( int16_t ( * ) [ 64 ] ) ( render -> data_blocks + render -> next_free_data_block_num * 64 ) ;
 }