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Defines | |
#define | CONST_BITS 8 |
#define | DEQUANTIZE(coef, quantval) (((IFAST_MULT_TYPE) (coef)) * (quantval)) |
#define | DESCALE(x, n) RIGHT_SHIFT(x, n) |
#define | FIX_1_082392200 ((INT32) 277) /* FIX(1.082392200) */ |
#define | FIX_1_414213562 ((INT32) 362) /* FIX(1.414213562) */ |
#define | FIX_1_847759065 ((INT32) 473) /* FIX(1.847759065) */ |
#define | FIX_2_613125930 ((INT32) 669) /* FIX(2.613125930) */ |
#define | IDESCALE(x, n) ((int) IRIGHT_SHIFT(x, n)) |
#define | IRIGHT_SHIFT(x, shft) ((x) >> (shft)) |
#define | ISHIFT_TEMPS |
#define | JPEG_INTERNALS |
#define | MULTIPLY(var, const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS)) |
#define | PASS1_BITS 2 |
Functions | |
jpeg_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col) |
#define CONST_BITS 8 |
Definition at line 77 of file jidctfst.c.
#define DEQUANTIZE | ( | coef, | |
quantval | |||
) | (((IFAST_MULT_TYPE) (coef)) * (quantval)) |
Definition at line 129 of file jidctfst.c.
#define DESCALE | ( | x, | |
n | |||
) | RIGHT_SHIFT(x, n) |
Definition at line 111 of file jidctfst.c.
#define FIX_1_082392200 ((INT32) 277) /* FIX(1.082392200) */ |
Definition at line 92 of file jidctfst.c.
#define FIX_1_414213562 ((INT32) 362) /* FIX(1.414213562) */ |
Definition at line 93 of file jidctfst.c.
#define FIX_1_847759065 ((INT32) 473) /* FIX(1.847759065) */ |
Definition at line 94 of file jidctfst.c.
#define FIX_2_613125930 ((INT32) 669) /* FIX(2.613125930) */ |
Definition at line 95 of file jidctfst.c.
#define IDESCALE | ( | x, | |
n | |||
) | ((int) IRIGHT_SHIFT(x, n)) |
Definition at line 159 of file jidctfst.c.
#define IRIGHT_SHIFT | ( | x, | |
shft | |||
) | ((x) >> (shft)) |
Definition at line 153 of file jidctfst.c.
#define ISHIFT_TEMPS |
Definition at line 152 of file jidctfst.c.
#define JPEG_INTERNALS |
Definition at line 35 of file jidctfst.c.
Definition at line 119 of file jidctfst.c.
#define PASS1_BITS 2 |
Definition at line 78 of file jidctfst.c.
jpeg_idct_ifast | ( | j_decompress_ptr | cinfo, |
jpeg_component_info * | compptr, | ||
JCOEFPTR | coef_block, | ||
JSAMPARRAY | output_buf, | ||
JDIMENSION | output_col | ||
) |
Definition at line 168 of file jidctfst.c.