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dsputil_init_arm.c
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1 /*
2  * ARM optimized DSP utils
3  * Copyright (c) 2001 Lionel Ulmer
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 "libavutil/attributes.h"
23 #include "libavutil/arm/cpu.h"
24 #include "dsputil_arm.h"
25 
26 void ff_j_rev_dct_arm(int16_t *data);
27 void ff_simple_idct_arm(int16_t *data);
28 
29 /* XXX: local hack */
30 static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
31 static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
32 
33 void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
34 void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
35 void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
36 void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
37 
38 void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
39 void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
40 void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
41 
42 void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t 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 
51 void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
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, int16_t *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, int16_t *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, int16_t *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, int16_t *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->lowres && 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_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);
125 }