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 | }=> |