Defines |
#define | JPEG_INTERNALS |
#define | CONST_BITS 8 |
#define | PASS1_BITS 2 |
#define | FIX_1_082392200 FIX(1.082392200) |
#define | FIX_1_414213562 FIX(1.414213562) |
#define | FIX_1_847759065 FIX(1.847759065) |
#define | FIX_2_613125930 FIX(2.613125930) |
#define | DESCALE(x, n) RIGHT_SHIFT(x, n) |
#define | MULTIPLY(var, const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS)) |
#define | DEQUANTIZE(coef, quantval) (((IFAST_MULT_TYPE) (coef)) * (quantval)) |
#define | ISHIFT_TEMPS |
#define | IRIGHT_SHIFT(x, shft) ((x) >> (shft)) |
#define | IDESCALE(x, n) ((int) IRIGHT_SHIFT(x, n)) |
Functions |
| jpeg_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col) |