Subversion Repositories Kolibri OS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
6148 serge 1
/*
2
 * ARM NEON optimised DSP functions
3
 * Copyright (c) 2008 Mans Rullgard 
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
 
22
#include 
23
 
24
#include "libavutil/attributes.h"
25
#include "libavcodec/avcodec.h"
26
#include "dsputil_arm.h"
27
 
28
void ff_simple_idct_neon(int16_t *data);
29
void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
30
void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
31
 
32
void ff_clear_block_neon(int16_t *block);
33
void ff_clear_blocks_neon(int16_t *blocks);
34
 
35
void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
36
void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
37
void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
38
 
39
void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
40
                          int len);
41
void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
42
                               int32_t max, unsigned int len);
43
 
44
int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
45
int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
46
                                             const int16_t *v3, int len, int mul);
47
 
48
void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src,
49
                                const int16_t *window, unsigned n);
50
 
51
av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
52
{
53
    const int high_bit_depth = avctx->bits_per_raw_sample > 8;
54
 
55
    if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
56
        if (avctx->idct_algo == FF_IDCT_AUTO ||
57
            avctx->idct_algo == FF_IDCT_SIMPLENEON) {
58
            c->idct_put              = ff_simple_idct_put_neon;
59
            c->idct_add              = ff_simple_idct_add_neon;
60
            c->idct                  = ff_simple_idct_neon;
61
            c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
62
        }
63
    }
64
 
65
    if (!high_bit_depth) {
66
        c->clear_block  = ff_clear_block_neon;
67
        c->clear_blocks = ff_clear_blocks_neon;
68
    }
69
 
70
    c->add_pixels_clamped = ff_add_pixels_clamped_neon;
71
    c->put_pixels_clamped = ff_put_pixels_clamped_neon;
72
    c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
73
 
74
    c->vector_clipf               = ff_vector_clipf_neon;
75
    c->vector_clip_int32          = ff_vector_clip_int32_neon;
76
 
77
    c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
78
    c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon;
79
 
80
    c->apply_window_int16 = ff_apply_window_int16_neon;
81
}