CHECK("FMP4"); CHECK("fmp4");
uint8_t isMpeg4Compatible( uint32_t fourcc){     #define CHECK(x) if(fourCC::check(fourcc,(uint8_t *)x)) \						{divx4=1; }    uint8_t divx4=0;    		CHECK("DIVX");      		CHECK("divx");	       	CHECK("DX50");	       	CHECK("xvid");	       	CHECK("XVID");          	CHECK("BLZ0");          return divx4;      #undef CHECK}