dsputil_init_arm.c
Go to the documentation of this file.
1 /*
2  * ARM optimized DSP utils
3  * Copyright (c) 2001 Lionel Ulmer
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 "libavutil/arm/cpu.h"
23 #include "libavcodec/dsputil.h"
24 #include "dsputil_arm.h"
25 
28 
29 /* XXX: local hack */
30 static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
31 static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
32 
33 void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
34 void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
35 void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
36 void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
37 
38 void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
39 void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
40 void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
41 
42 void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
43 
44 CALL_2X_PIXELS(ff_put_pixels16_x2_arm, ff_put_pixels8_x2_arm, 8)
45 CALL_2X_PIXELS(ff_put_pixels16_y2_arm, ff_put_pixels8_y2_arm, 8)
46 CALL_2X_PIXELS(ff_put_pixels16_xy2_arm, ff_put_pixels8_xy2_arm, 8)
47 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm, ff_put_no_rnd_pixels8_x2_arm, 8)
48 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm, ff_put_no_rnd_pixels8_y2_arm, 8)
49 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)
50 
52  int line_size);
53 
54 /* XXX: those functions should be suppressed ASAP when all IDCTs are
55  converted */
56 static void j_rev_dct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
57 {
58  ff_j_rev_dct_arm (block);
59  ff_put_pixels_clamped(block, dest, line_size);
60 }
61 static void j_rev_dct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
62 {
63  ff_j_rev_dct_arm (block);
64  ff_add_pixels_clamped(block, dest, line_size);
65 }
66 static void simple_idct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
67 {
68  ff_simple_idct_arm (block);
69  ff_put_pixels_clamped(block, dest, line_size);
70 }
71 static void simple_idct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
72 {
73  ff_simple_idct_arm (block);
74  ff_add_pixels_clamped(block, dest, line_size);
75 }
76 
78 {
79  const int high_bit_depth = avctx->bits_per_raw_sample > 8;
81 
84 
85  if (avctx->bits_per_raw_sample <= 8) {
86  if(avctx->idct_algo == FF_IDCT_AUTO ||
87  avctx->idct_algo == FF_IDCT_ARM){
92  } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){
97  }
98  }
99 
101 
102  if (!high_bit_depth) {
104  c->put_pixels_tab[0][1] = ff_put_pixels16_x2_arm;
105  c->put_pixels_tab[0][2] = ff_put_pixels16_y2_arm;
106  c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_arm;
111 
113  c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_arm;
114  c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_arm;
115  c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_arm;
120  }
121 
122  if (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
123  if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx);
124  if (have_vfp(cpu_flags)) ff_dsputil_init_vfp(c, avctx);
125  if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);
126 }
void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
op_pixels_func put_pixels_tab[4][4]
Halfpel motion compensation with rounding (a+b+1)>>1.
Definition: dsputil.h:259
void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
#define have_armv6(flags)
Definition: cpu.h:26
#define CALL_2X_PIXELS(a, b, n)
Definition: dsputil.h:167
void(* idct_add)(uint8_t *dest, int line_size, DCTELEM *block)
block -> idct -> add dest -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:411
void ff_dsputil_init_vfp(DSPContext *c, AVCodecContext *avctx)
void ff_simple_idct_arm(DCTELEM *data)
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition: avcodec.h:2711
void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
uint8_t
#define have_armv5te(flags)
Definition: cpu.h:25
const char data[16]
Definition: mxf.c:66
void(* add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:205
void(* put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size)
Definition: dsputil.h:203
#define have_vfp(flags)
Definition: cpu.h:28
void(* idct_put)(uint8_t *dest, int line_size, DCTELEM *block)
block -> idct -> clip to unsigned 8 bit -> dest.
Definition: dsputil.h:405
op_pixels_func put_no_rnd_pixels_tab[4][4]
Halfpel motion compensation with no rounding (a+b)>>1.
Definition: dsputil.h:283
#define FF_LIBMPEG2_IDCT_PERM
Definition: dsputil.h:428
void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
void(* idct)(DCTELEM *block)
Definition: dsputil.h:398
void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
static void(* ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size)
void ff_add_pixels_clamped_arm(const DCTELEM *block, uint8_t *dest, int line_size)
static DCTELEM block[64]
Definition: dct-test.c:169
void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
int idct_algo
IDCT algorithm, see FF_IDCT_* below.
Definition: avcodec.h:2661
void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
#define FF_NO_IDCT_PERM
Definition: dsputil.h:427
static int cpu_flags
Definition: dct-test.c:76
static void j_rev_dct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
int idct_permutation_type
Definition: dsputil.h:426
static void(* ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size)
main external API structure.
Definition: avcodec.h:1339
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:25
short DCTELEM
Definition: dsputil.h:39
static void simple_idct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
#define have_neon(flags)
Definition: cpu.h:30
void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
DSP utils.
void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h)
void ff_j_rev_dct_arm(DCTELEM *data)
static void simple_idct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
static void j_rev_dct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
void ff_dsputil_init_armv6(DSPContext *c, AVCodecContext *avctx)
DSPContext.
Definition: dsputil.h:194
void ff_dsputil_init_armv5te(DSPContext *c, AVCodecContext *avctx)