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dsputil_init_neon.c
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1 /*
2  * ARM NEON optimised DSP functions
3  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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 <stdint.h>
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);
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 
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) {
62  }
63  }
64 
65  if (!high_bit_depth) {
68  }
69 
73 
76 
79 
81 }