Independent JPEG Group's slow & accurate dct. More...
#include <stdlib.h>
#include <stdio.h>
#include "libavutil/common.h"
#include "dsputil.h"
Go to the source code of this file.
Defines | |
#define | DCTSIZE 8 |
#define | BITS_IN_JSAMPLE 8 |
#define | GLOBAL(x) x |
#define | RIGHT_SHIFT(x, n) ((x) >> (n)) |
#define | MULTIPLY16C16(var, const) ((var)*(const)) |
#define | DESCALE(x, n) RIGHT_SHIFT((x) + (1 << ((n) - 1)), n) |
#define | CONST_BITS 13 |
#define | PASS1_BITS 4 |
#define | FIX_0_298631336 FIX(0.298631336) |
#define | FIX_0_390180644 FIX(0.390180644) |
#define | FIX_0_541196100 FIX(0.541196100) |
#define | FIX_0_765366865 FIX(0.765366865) |
#define | FIX_0_899976223 FIX(0.899976223) |
#define | FIX_1_175875602 FIX(1.175875602) |
#define | FIX_1_501321110 FIX(1.501321110) |
#define | FIX_1_847759065 FIX(1.847759065) |
#define | FIX_1_961570560 FIX(1.961570560) |
#define | FIX_2_053119869 FIX(2.053119869) |
#define | FIX_2_562915447 FIX(2.562915447) |
#define | FIX_3_072711026 FIX(3.072711026) |
#define | MULTIPLY(var, const) ((var) * (const)) |
Functions | |
static av_always_inline void | row_fdct (DCTELEM *data) |
ff_jpeg_fdct_islow (DCTELEM *data) | |
ff_fdct248_islow (DCTELEM *data) | |
Variables | |
Sorry |
Independent JPEG Group's slow & accurate dct.
Definition in file jfdctint.c.
#define BITS_IN_JSAMPLE 8 |
Definition at line 70 of file jfdctint.c.
#define CONST_BITS 13 |
Definition at line 126 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define DCTSIZE 8 |
Definition at line 69 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define DESCALE | ( | x, | ||
n | ||||
) | RIGHT_SHIFT((x) + (1 << ((n) - 1)), n) |
Definition at line 76 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_0_298631336 FIX(0.298631336) |
Definition at line 154 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_0_390180644 FIX(0.390180644) |
Definition at line 155 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_0_541196100 FIX(0.541196100) |
Definition at line 156 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_0_765366865 FIX(0.765366865) |
Definition at line 157 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_0_899976223 FIX(0.899976223) |
Definition at line 158 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_1_175875602 FIX(1.175875602) |
Definition at line 159 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_1_501321110 FIX(1.501321110) |
Definition at line 160 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_1_847759065 FIX(1.847759065) |
Definition at line 161 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_1_961570560 FIX(1.961570560) |
Definition at line 162 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_2_053119869 FIX(2.053119869) |
Definition at line 163 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_2_562915447 FIX(2.562915447) |
Definition at line 164 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define FIX_3_072711026 FIX(3.072711026) |
Definition at line 165 of file jfdctint.c.
Referenced by ff_jpeg_fdct_islow(), and row_fdct().
#define GLOBAL | ( | x | ) | x |
Definition at line 71 of file jfdctint.c.
#define MULTIPLY | ( | var, | ||
const | ||||
) | ((var) * (const)) |
Definition at line 179 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define MULTIPLY16C16 | ( | var, | ||
const | ||||
) | ((var)*(const)) |
Definition at line 73 of file jfdctint.c.
#define PASS1_BITS 4 |
Definition at line 127 of file jfdctint.c.
Referenced by ff_fdct248_islow(), ff_jpeg_fdct_islow(), and row_fdct().
#define RIGHT_SHIFT | ( | x, | ||
n | ||||
) | ((x) >> (n)) |
Definition at line 72 of file jfdctint.c.
ff_fdct248_islow | ( | DCTELEM * | data | ) |
Definition at line 346 of file jfdctint.c.
ff_jpeg_fdct_islow | ( | DCTELEM * | data | ) |
Definition at line 260 of file jfdctint.c.
Referenced by ff_convert_matrix().
static av_always_inline void row_fdct | ( | DCTELEM * | data | ) | [static] |
Definition at line 183 of file jfdctint.c.
Referenced by ff_fdct248_islow(), and ff_jpeg_fdct_islow().
Definition at line 87 of file jfdctint.c.