1 /*
2 * TAK decoder
3 * Copyright (c) 2015 Paul B Mahol
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
25
27 {
28 int i;
29
30 for (i = 0; i <
length; i++) {
34 }
35 }
36
38 {
39 int i;
40
41 for (i = 0; i <
length; i++) {
45 }
46 }
47
49 {
50 int i;
51
52 for (i = 0; i <
length; i++) {
55 a -= b >> 1;
58 }
59 }
60
62 {
63 int i;
64
65 for (i = 0; i <
length; i++) {
68 b = dfactor * (b >> dshift) + 128 >> 8 << dshift;
70 }
71 }
72
74 {
79
80 if (ARCH_X86)
82 }
av_cold void ff_takdsp_init(TAKDSPContext *c)
static void decorrelate_sr(int32_t *p1, int32_t *p2, int length)
void(* decorrelate_ls)(int32_t *p1, int32_t *p2, int length)
Macro definitions for various function/variable attributes.
void(* decorrelate_sr)(int32_t *p1, int32_t *p2, int length)
void(* decorrelate_sm)(int32_t *p1, int32_t *p2, int length)
void(* decorrelate_sf)(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor)
static void decorrelate_ls(int32_t *p1, int32_t *p2, int length)
static void decorrelate_sf(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor)
static void decorrelate_sm(int32_t *p1, int32_t *p2, int length)
void ff_takdsp_init_x86(TAKDSPContext *c)