xine-lib 1.2.13-20230125hg15249
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#include "config.h"
#include <stdlib.h>
#include <inttypes.h>
#include "../include/mpeg2.h"
#include "../include/attributes.h"
#include "mpeg2_internal.h"
Macros | |
#define | W1 2841 /* 2048 * sqrt (2) * cos (1 * pi / 16) */ |
#define | W2 2676 /* 2048 * sqrt (2) * cos (2 * pi / 16) */ |
#define | W3 2408 /* 2048 * sqrt (2) * cos (3 * pi / 16) */ |
#define | W5 1609 /* 2048 * sqrt (2) * cos (5 * pi / 16) */ |
#define | W6 1108 /* 2048 * sqrt (2) * cos (6 * pi / 16) */ |
#define | W7 565 /* 2048 * sqrt (2) * cos (7 * pi / 16) */ |
#define | CLIP(i) ((mpeg2_clip + 3840)[i]) |
#define | BUTTERFLY(t0, t1, W0, W1, d0, d1) |
Functions | |
static void | idct_row (int16_t *const block) |
static void | idct_col (int16_t *const block) |
static void | mpeg2_idct_copy_c (int16_t *block, uint8_t *dest, const int stride) |
static void | mpeg2_idct_add_c (const int last, int16_t *block, uint8_t *dest, const int stride) |
void | mpeg2_idct_init (uint32_t accel) |
Variables | |
void(* | mpeg2_idct_copy )(int16_t *block, uint8_t *dest, int stride) |
void(* | mpeg2_idct_add )(int last, int16_t *block, uint8_t *dest, int stride) |
uint8_t | mpeg2_clip [3840 *2+256] |
#define BUTTERFLY | ( | t0, | |
t1, | |||
W0, | |||
W1, | |||
d0, | |||
d1 ) |
Referenced by idct_col(), and idct_row().
#define CLIP | ( | i | ) | ((mpeg2_clip + 3840)[i]) |
#define W1 2841 /* 2048 * sqrt (2) * cos (1 * pi / 16) */ |
#define W2 2676 /* 2048 * sqrt (2) * cos (2 * pi / 16) */ |
#define W3 2408 /* 2048 * sqrt (2) * cos (3 * pi / 16) */ |
#define W5 1609 /* 2048 * sqrt (2) * cos (5 * pi / 16) */ |
#define W6 1108 /* 2048 * sqrt (2) * cos (6 * pi / 16) */ |
#define W7 565 /* 2048 * sqrt (2) * cos (7 * pi / 16) */ |
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inlinestatic |
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inlinestatic |
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static |
References CLIP, idct_col(), and idct_row().
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static |
References CLIP, idct_col(), and idct_row().
void mpeg2_idct_init | ( | uint32_t | accel | ) |
References CLIP, MPEG2_ACCEL_ALPHA, MPEG2_ACCEL_ALPHA_MVI, MPEG2_ACCEL_PPC_ALTIVEC, MPEG2_ACCEL_X86_MMX, MPEG2_ACCEL_X86_MMXEXT, mpeg2_idct_add, mpeg2_idct_add_alpha(), mpeg2_idct_add_altivec(), mpeg2_idct_add_c(), mpeg2_idct_add_mmx(), mpeg2_idct_add_mmxext(), mpeg2_idct_add_mvi(), mpeg2_idct_alpha_init(), mpeg2_idct_altivec_init(), mpeg2_idct_copy, mpeg2_idct_copy_alpha(), mpeg2_idct_copy_altivec(), mpeg2_idct_copy_c(), mpeg2_idct_copy_mmx(), mpeg2_idct_copy_mmxext(), mpeg2_idct_copy_mvi(), mpeg2_idct_mmx_init(), mpeg2_scan_alt, and mpeg2_scan_norm.
uint8_t mpeg2_clip[3840 *2+256] |
void(* mpeg2_idct_add) (int last, int16_t *block, uint8_t *dest, int stride) | ( | int | last, |
int16_t * | block, | ||
uint8_t * | dest, | ||
int | stride ) |
void(* mpeg2_idct_copy) (int16_t *block, uint8_t *dest, int stride) | ( | int16_t * | block, |
uint8_t * | dest, | ||
int | stride ) |