2 * ARM optimized DSP utils
3 * Copyright (c) 2001 Lionel Ulmer
5 * This file is part of FFmpeg.
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.
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.
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
22 #include "libavcodec/dsputil.h"
23 #include "dsputil_arm.h"
25 void ff_j_rev_dct_arm(DCTELEM *data);
26 void ff_simple_idct_arm(DCTELEM *data);
29 static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
30 static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size);
32 void ff_put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
33 void ff_put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
34 void ff_put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
35 void ff_put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
37 void ff_put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
38 void ff_put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
39 void ff_put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
41 void ff_put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
43 CALL_2X_PIXELS(ff_put_pixels16_x2_arm, ff_put_pixels8_x2_arm, 8)
44 CALL_2X_PIXELS(ff_put_pixels16_y2_arm, ff_put_pixels8_y2_arm, 8)
45 CALL_2X_PIXELS(ff_put_pixels16_xy2_arm, ff_put_pixels8_xy2_arm, 8)
46 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_x2_arm, ff_put_no_rnd_pixels8_x2_arm, 8)
47 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_y2_arm, ff_put_no_rnd_pixels8_y2_arm, 8)
48 CALL_2X_PIXELS(ff_put_no_rnd_pixels16_xy2_arm, ff_put_no_rnd_pixels8_xy2_arm,8)
50 void ff_add_pixels_clamped_arm(const DCTELEM *block, uint8_t *dest,
53 /* XXX: those functions should be suppressed ASAP when all IDCTs are
55 static void j_rev_dct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
57 ff_j_rev_dct_arm (block);
58 ff_put_pixels_clamped(block, dest, line_size);
60 static void j_rev_dct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
62 ff_j_rev_dct_arm (block);
63 ff_add_pixels_clamped(block, dest, line_size);
65 static void simple_idct_arm_put(uint8_t *dest, int line_size, DCTELEM *block)
67 ff_simple_idct_arm (block);
68 ff_put_pixels_clamped(block, dest, line_size);
70 static void simple_idct_arm_add(uint8_t *dest, int line_size, DCTELEM *block)
72 ff_simple_idct_arm (block);
73 ff_add_pixels_clamped(block, dest, line_size);
76 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
78 const int high_bit_depth = avctx->bits_per_raw_sample > 8;
80 ff_put_pixels_clamped = c->put_pixels_clamped;
81 ff_add_pixels_clamped = c->add_pixels_clamped;
83 if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
84 if(avctx->idct_algo == FF_IDCT_AUTO ||
85 avctx->idct_algo == FF_IDCT_ARM){
86 c->idct_put = j_rev_dct_arm_put;
87 c->idct_add = j_rev_dct_arm_add;
88 c->idct = ff_j_rev_dct_arm;
89 c->idct_permutation_type = FF_LIBMPEG2_IDCT_PERM;
90 } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM){
91 c->idct_put = simple_idct_arm_put;
92 c->idct_add = simple_idct_arm_add;
93 c->idct = ff_simple_idct_arm;
94 c->idct_permutation_type = FF_NO_IDCT_PERM;
98 c->add_pixels_clamped = ff_add_pixels_clamped_arm;
100 if (!high_bit_depth) {
101 c->put_pixels_tab[0][0] = ff_put_pixels16_arm;
102 c->put_pixels_tab[0][1] = ff_put_pixels16_x2_arm;
103 c->put_pixels_tab[0][2] = ff_put_pixels16_y2_arm;
104 c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_arm;
105 c->put_pixels_tab[1][0] = ff_put_pixels8_arm;
106 c->put_pixels_tab[1][1] = ff_put_pixels8_x2_arm;
107 c->put_pixels_tab[1][2] = ff_put_pixels8_y2_arm;
108 c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_arm;
110 c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_arm;
111 c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_arm;
112 c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_arm;
113 c->put_no_rnd_pixels_tab[0][3] = ff_put_no_rnd_pixels16_xy2_arm;
114 c->put_no_rnd_pixels_tab[1][0] = ff_put_pixels8_arm;
115 c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_arm;
116 c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_arm;
117 c->put_no_rnd_pixels_tab[1][3] = ff_put_no_rnd_pixels8_xy2_arm;
120 if (HAVE_ARMV5TE) ff_dsputil_init_armv5te(c, avctx);
121 if (HAVE_ARMV6) ff_dsputil_init_armv6(c, avctx);
122 if (HAVE_IWMMXT) ff_dsputil_init_iwmmxt(c, avctx);
123 if (HAVE_ARMVFP) ff_dsputil_init_vfp(c, avctx);
124 if (HAVE_NEON) ff_dsputil_init_neon(c, avctx);