Libav
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 Libav.
6  *
7  * Libav 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  * Libav 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 Libav; 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);
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 
49 {
50  const int high_bit_depth = avctx->bits_per_raw_sample > 8;
51 
52  if (avctx->bits_per_raw_sample <= 8) {
53  if (avctx->idct_algo == FF_IDCT_AUTO ||
54  avctx->idct_algo == FF_IDCT_SIMPLENEON) {
59  }
60  }
61 
62  if (!high_bit_depth) {
65  }
66 
70 
73 
76 }
void(* put_signed_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:129
#define FF_PARTTRANS_IDCT_PERM
Definition: dsputil.h:246
void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int)
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2488
void(* idct_add)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:226
void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int)
Macro definitions for various function/variable attributes.
int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len)
void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len)
void(* idct_put)(uint8_t *dest, int line_size, int16_t *block)
block -> idct -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:220
uint8_t
#define av_cold
Definition: attributes.h:66
void ff_clear_block_neon(int16_t *block)
void(* add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:130
const char data[16]
Definition: mxf.c:66
void ff_vector_clipf_neon(float *dst, const float *src, float min, float max, int len)
#define FF_IDCT_AUTO
Definition: avcodec.h:2457
int32_t(* scalarproduct_int16)(const int16_t *v1, const int16_t *v2, int len)
Calculate scalar product of two vectors.
Definition: dsputil.h:265
av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
void(* idct)(int16_t *block)
Definition: dsputil.h:213
void(* clear_blocks)(int16_t *blocks)
Definition: dsputil.h:143
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
Definition: avcodec.h:2456
AVCodecContext * avctx
Definition: apedec.c:135
int32_t
int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
Libavcodec external API header.
void(* put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:128
void ff_clear_blocks_neon(int16_t *blocks)
#define FF_IDCT_SIMPLENEON
Definition: avcodec.h:2471
int idct_permutation_type
Definition: dsputil.h:241
void(* vector_clipf)(float *dst, const float *src, float min, float max, int len)
Definition: dsputil.h:206
main external API structure.
Definition: avcodec.h:1054
void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data)
void ff_simple_idct_neon(int16_t *data)
void(* vector_clip_int32)(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len)
Clip each element in an array of int32_t to a given minimum and maximum value.
Definition: dsputil.h:287
void(* clear_block)(int16_t *block)
Definition: dsputil.h:142
int32_t(* scalarproduct_and_madd_int16)(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul)
Calculate scalar product of v1 and v2, and v1[i] += v3[i] * mul.
Definition: dsputil.h:272
int len
void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data)
float min
void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int)
DSPContext.
Definition: dsputil.h:124
static int16_t block[64]
Definition: dct-test.c:170