2 * ARM optimized DSP utils
3 * Copyright (c) 2001 Lionel Ulmer
5 * This file is part of Libav.
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.
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.
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
22 #include "libavutil/attributes.h"
23 #include "libavutil/arm/cpu.h"
24 #include "libavcodec/dsputil.h"
25 #include "dsputil_arm.h"
27 void ff_j_rev_dct_arm(int16_t *data);
28 void ff_simple_idct_arm(int16_t *data);
31 static void (*ff_put_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
32 static void (*ff_add_pixels_clamped)(const int16_t *block, uint8_t *pixels, int line_size);
34 void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
35 void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
36 void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
37 void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
39 void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
40 void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
41 void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
43 void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h);
45 CALL_2X_PIXELS(ff_put_pixels16_x2_arm, ff_put_pixels8_x2_arm, 8)
46 CALL_2X_PIXELS(ff_put_pixels16_y2_arm, ff_put_pixels8_y2_arm, 8)
47 CALL_2X_PIXELS(ff_put_pixels16_xy2_arm, ff_put_pixels8_xy2_arm, 8)
48 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm, ff_put_no_rnd_pixels8_x2_arm, 8)
49 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm, ff_put_no_rnd_pixels8_y2_arm, 8)
50 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)
52 void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest,
55 /* XXX: those functions should be suppressed ASAP when all IDCTs are
57 static void j_rev_dct_arm_put(uint8_t *dest, int line_size, int16_t *block)
59 ff_j_rev_dct_arm (block);
60 ff_put_pixels_clamped(block, dest, line_size);
62 static void j_rev_dct_arm_add(uint8_t *dest, int line_size, int16_t *block)
64 ff_j_rev_dct_arm (block);
65 ff_add_pixels_clamped(block, dest, line_size);
67 static void simple_idct_arm_put(uint8_t *dest, int line_size, int16_t *block)
69 ff_simple_idct_arm (block);
70 ff_put_pixels_clamped(block, dest, line_size);
72 static void simple_idct_arm_add(uint8_t *dest, int line_size, int16_t *block)
74 ff_simple_idct_arm (block);
75 ff_add_pixels_clamped(block, dest, line_size);
78 av_cold void ff_dsputil_init_arm(DSPContext *c, AVCodecContext *avctx)
80 const int high_bit_depth = avctx->bits_per_raw_sample > 8;
81 int cpu_flags = av_get_cpu_flags();
83 ff_put_pixels_clamped = c->put_pixels_clamped;
84 ff_add_pixels_clamped = c->add_pixels_clamped;
86 if (avctx->bits_per_raw_sample <= 8) {
87 if(avctx->idct_algo == FF_IDCT_AUTO ||
88 avctx->idct_algo == FF_IDCT_ARM){
89 c->idct_put = j_rev_dct_arm_put;
90 c->idct_add = j_rev_dct_arm_add;
91 c->idct = ff_j_rev_dct_arm;
92 c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
93 } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){
94 c->idct_put = simple_idct_arm_put;
95 c->idct_add = simple_idct_arm_add;
96 c->idct = ff_simple_idct_arm;
97 c->idct_permutation_type = FF_NO_IDCT_PERM;
101 c->add_pixels_clamped = ff_add_pixels_clamped_arm;
103 if (!high_bit_depth) {
104 c->put_pixels_tab[0][0] = ff_put_pixels16_arm;
105 c->put_pixels_tab[0][1] = ff_put_pixels16_x2_arm;
106 c->put_pixels_tab[0][2] = ff_put_pixels16_y2_arm;
107 c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_arm;
108 c->put_pixels_tab[1][0] = ff_put_pixels8_arm;
109 c->put_pixels_tab[1][1] = ff_put_pixels8_x2_arm;
110 c->put_pixels_tab[1][2] = ff_put_pixels8_y2_arm;
111 c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_arm;
113 c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_arm;
114 c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_arm;
115 c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_arm;
116 c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_arm;
117 c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_arm;
118 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_arm;
119 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_arm;
120 c->put_no_rnd_pixels_tab[1][3] = ff_put_no_rnd_pixels8_xy2_arm;
123 if (have_armv5te(cpu_flags)) ff_dsputil_init_armv5te(c, avctx);
124 if (have_armv6(cpu_flags)) ff_dsputil_init_armv6(c, avctx);
125 if (have_neon(cpu_flags)) ff_dsputil_init_neon(c, avctx);