Commit | Line | Data |
---|---|---|
92651f67 FB |
1 | /* |
2 | * ARMv4L optimized DSP utils | |
3 | * Copyright (c) 2001 Lionel Ulmer. | |
4 | * | |
ff4ec49e FB |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2 of the License, or (at your option) any later version. | |
92651f67 | 9 | * |
ff4ec49e | 10 | * This library is distributed in the hope that it will be useful, |
92651f67 | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
ff4ec49e FB |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. | |
92651f67 | 14 | * |
ff4ec49e FB |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
92651f67 FB |
18 | */ |
19 | ||
20 | #include "../dsputil.h" | |
21 | ||
22 | extern void j_rev_dct_ARM(DCTELEM *data); | |
bd7d1ea7 | 23 | extern void simple_idct_ARM(DCTELEM *data); |
92651f67 | 24 | |
b0368839 MN |
25 | /* XXX: local hack */ |
26 | static void (*ff_put_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size); | |
27 | static void (*ff_add_pixels_clamped)(const DCTELEM *block, uint8_t *pixels, int line_size); | |
28 | ||
29 | /* XXX: those functions should be suppressed ASAP when all IDCTs are | |
30 | converted */ | |
bd7d1ea7 | 31 | static void j_rev_dct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block) |
b0368839 MN |
32 | { |
33 | j_rev_dct_ARM (block); | |
34 | ff_put_pixels_clamped(block, dest, line_size); | |
35 | } | |
bd7d1ea7 | 36 | static void j_rev_dct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block) |
b0368839 MN |
37 | { |
38 | j_rev_dct_ARM (block); | |
39 | ff_add_pixels_clamped(block, dest, line_size); | |
40 | } | |
bd7d1ea7 AB |
41 | static void simple_idct_ARM_put(uint8_t *dest, int line_size, DCTELEM *block) |
42 | { | |
43 | simple_idct_ARM (block); | |
44 | ff_put_pixels_clamped(block, dest, line_size); | |
45 | } | |
46 | static void simple_idct_ARM_add(uint8_t *dest, int line_size, DCTELEM *block) | |
47 | { | |
48 | simple_idct_ARM (block); | |
49 | ff_add_pixels_clamped(block, dest, line_size); | |
50 | } | |
b0368839 MN |
51 | |
52 | void dsputil_init_armv4l(DSPContext* c, AVCodecContext *avctx) | |
92651f67 | 53 | { |
b0368839 MN |
54 | const int idct_algo= avctx->idct_algo; |
55 | ||
56 | ff_put_pixels_clamped = c->put_pixels_clamped; | |
57 | ff_add_pixels_clamped = c->add_pixels_clamped; | |
58 | ||
59 | if(idct_algo==FF_IDCT_AUTO || idct_algo==FF_IDCT_ARM){ | |
bd7d1ea7 AB |
60 | c->idct_put= j_rev_dct_ARM_put; |
61 | c->idct_add= j_rev_dct_ARM_add; | |
62 | c->idct = j_rev_dct_ARM; | |
b0368839 | 63 | c->idct_permutation_type= FF_LIBMPEG2_IDCT_PERM;/* FF_NO_IDCT_PERM */ |
bd7d1ea7 AB |
64 | } else if (idct_algo==FF_IDCT_SIMPLEARM){ |
65 | c->idct_put= simple_idct_ARM_put; | |
66 | c->idct_add= simple_idct_ARM_add; | |
67 | c->idct = simple_idct_ARM; | |
68 | c->idct_permutation_type= FF_NO_IDCT_PERM; | |
b0368839 | 69 | } |
92651f67 | 70 | } |