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ARM: cosmetics
[ffmpeg] / libavcodec / arm / dsputil_init_arm.c
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 "libavcodec/dsputil.h"
23 #include "dsputil_arm.h"
24
25 void j_rev_dct_ARM(DCTELEM *data);
26 void simple_idct_ARM(DCTELEM *data);
27
28 /* XXX: local hack */
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);
31
32 void put_pixels8_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
33 void put_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
34 void put_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
35 void put_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
36
37 void put_no_rnd_pixels8_x2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
38 void put_no_rnd_pixels8_y2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
39 void put_no_rnd_pixels8_xy2_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
40
41 void put_pixels16_arm(uint8_t *block, const uint8_t *pixels, int line_size, int h);
42
43 CALL_2X_PIXELS(put_pixels16_x2_arm,         put_pixels8_x2_arm,         8)
44 CALL_2X_PIXELS(put_pixels16_y2_arm,         put_pixels8_y2_arm,         8)
45 CALL_2X_PIXELS(put_pixels16_xy2_arm,        put_pixels8_xy2_arm,        8)
46 CALL_2X_PIXELS(put_no_rnd_pixels16_x2_arm,  put_no_rnd_pixels8_x2_arm,  8)
47 CALL_2X_PIXELS(put_no_rnd_pixels16_y2_arm,  put_no_rnd_pixels8_y2_arm,  8)
48 CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_arm, put_no_rnd_pixels8_xy2_arm, 8)
49
50 void ff_add_pixels_clamped_ARM(short *block, unsigned char *dest,
51                                       int line_size);
52
53 /* XXX: those functions should be suppressed ASAP when all IDCTs are
54    converted */
55 static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
56 {
57     j_rev_dct_ARM (block);
58     ff_put_pixels_clamped(block, dest, line_size);
59 }
60 static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
61 {
62     j_rev_dct_ARM (block);
63     ff_add_pixels_clamped(block, dest, line_size);
64 }
65 static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block)
66 {
67     simple_idct_ARM (block);
68     ff_put_pixels_clamped(block, dest, line_size);
69 }
70 static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block)
71 {
72     simple_idct_ARM (block);
73     ff_add_pixels_clamped(block, dest, line_size);
74 }
75
76 int mm_support(void)
77 {
78     return HAVE_IWMMXT * FF_MM_IWMMXT;
79 }
80
81 void dsputil_init_arm(DSPContext* c, AVCodecContext *avctx)
82 {
83     ff_put_pixels_clamped = c->put_pixels_clamped;
84     ff_add_pixels_clamped = c->add_pixels_clamped;
85
86     if (!avctx->lowres) {
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                  = 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                  = simple_idct_ARM;
97             c->idct_permutation_type = FF_NO_IDCT_PERM;
98         }
99     }
100
101     c->put_pixels_tab[0][0] = put_pixels16_arm;
102     c->put_pixels_tab[0][1] = put_pixels16_x2_arm;
103     c->put_pixels_tab[0][2] = put_pixels16_y2_arm;
104     c->put_pixels_tab[0][3] = put_pixels16_xy2_arm;
105     c->put_pixels_tab[1][0] = put_pixels8_arm;
106     c->put_pixels_tab[1][1] = put_pixels8_x2_arm;
107     c->put_pixels_tab[1][2] = put_pixels8_y2_arm;
108     c->put_pixels_tab[1][3] = put_pixels8_xy2_arm;
109
110     c->put_no_rnd_pixels_tab[0][0] = put_pixels16_arm;
111     c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_arm;
112     c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_arm;
113     c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_arm;
114     c->put_no_rnd_pixels_tab[1][0] = put_pixels8_arm;
115     c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels8_x2_arm;
116     c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels8_y2_arm;
117     c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels8_xy2_arm;
118
119     if (HAVE_ARMV5TE) ff_dsputil_init_armv5te(c, avctx);
120     if (HAVE_ARMV6)   ff_dsputil_init_armv6(c, avctx);
121     if (HAVE_IWMMXT)  dsputil_init_iwmmxt(c, avctx);
122     if (HAVE_ARMVFP)  ff_dsputil_init_vfp(c, avctx);
123     if (HAVE_NEON)    ff_dsputil_init_neon(c, avctx);
124 }