static inline void add_dequant_dct ( MpegEncContext * s , int16_t * block , int i , uint8_t * dest , int line_size , int qscale ) {
 if ( s -> block_last_index [ i ] >= 0 ) {
 s -> dct_unquantize_inter ( s , block , i , qscale ) ;
 s -> dsp . idct_add ( dest , line_size , block ) ;
 }
 }
static inline void add_dequant_dct ( MpegEncContext * s , int16_t * block , int i , uint8_t * dest , int line_size , int qscale ) {
 if ( s -> block_last_index [ i ] >= 0 ) {
 s -> dct_unquantize_inter ( s , block , i , qscale ) ;
 s -> dsp . idct_add ( dest , line_size , block ) ;
 }
 }