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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
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committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/demac/libdemac/demac_config.h | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/demac/libdemac/demac_config.h')
-rw-r--r-- | lib/rbcodec/codecs/demac/libdemac/demac_config.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/demac/libdemac/demac_config.h b/lib/rbcodec/codecs/demac/libdemac/demac_config.h new file mode 100644 index 0000000000..fa4f008036 --- /dev/null +++ b/lib/rbcodec/codecs/demac/libdemac/demac_config.h | |||
@@ -0,0 +1,145 @@ | |||
1 | /* | ||
2 | |||
3 | libdemac - A Monkey's Audio decoder | ||
4 | |||
5 | $Id$ | ||
6 | |||
7 | Copyright (C) Dave Chapman 2007 | ||
8 | |||
9 | This program is free software; you can redistribute it and/or modify | ||
10 | it under the terms of the GNU General Public License as published by | ||
11 | the Free Software Foundation; either version 2 of the License, or | ||
12 | (at your option) any later version. | ||
13 | |||
14 | This program is distributed in the hope that it will be useful, | ||
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | GNU General Public License for more details. | ||
18 | |||
19 | You should have received a copy of the GNU General Public License | ||
20 | along with this program; if not, write to the Free Software | ||
21 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA | ||
22 | |||
23 | */ | ||
24 | |||
25 | #ifndef _DEMAC_CONFIG_H | ||
26 | #define _DEMAC_CONFIG_H | ||
27 | |||
28 | /* Build-time choices for libdemac. | ||
29 | * Note that this file is included by both .c and .S files. */ | ||
30 | |||
31 | #ifdef ROCKBOX | ||
32 | |||
33 | #include "config.h" | ||
34 | |||
35 | #ifndef __ASSEMBLER__ | ||
36 | #include "codeclib.h" | ||
37 | #include <codecs.h> | ||
38 | #endif | ||
39 | |||
40 | #define APE_OUTPUT_DEPTH 29 | ||
41 | |||
42 | /* On ARMv4, using 32 bit ints for the filters is faster. */ | ||
43 | #if defined(CPU_ARM) && (ARM_ARCH == 4) | ||
44 | #define FILTER_BITS 32 | ||
45 | #endif | ||
46 | |||
47 | #if !defined(CPU_PP) && !defined(CPU_S5L870X) | ||
48 | #define FILTER256_IRAM | ||
49 | #endif | ||
50 | |||
51 | #if CONFIG_CPU == PP5002 || defined(CPU_S5L870X) | ||
52 | /* Code and data IRAM for speed (PP5002 has a broken cache), not enough IRAM | ||
53 | * for the insane filter buffer. Reciprocal table for division in IRAM. */ | ||
54 | #define ICODE_SECTION_DEMAC_ARM .icode | ||
55 | #define ICODE_ATTR_DEMAC ICODE_ATTR | ||
56 | #define ICONST_ATTR_DEMAC ICONST_ATTR | ||
57 | #define IBSS_ATTR_DEMAC IBSS_ATTR | ||
58 | #define IBSS_ATTR_DEMAC_INSANEBUF | ||
59 | |||
60 | #elif CONFIG_CPU == PP5020 | ||
61 | /* Code and small data in DRAM for speed (PP5020 IRAM isn't completely single | ||
62 | * cycle). Insane filter buffer not in IRAM in favour of reciprocal table for | ||
63 | * divison. Decoded data buffers should be in IRAM (defined by the caller). */ | ||
64 | #define ICODE_SECTION_DEMAC_ARM .text | ||
65 | #define ICODE_ATTR_DEMAC | ||
66 | #define ICONST_ATTR_DEMAC | ||
67 | #define IBSS_ATTR_DEMAC | ||
68 | #define IBSS_ATTR_DEMAC_INSANEBUF | ||
69 | |||
70 | #elif CONFIG_CPU == PP5022 | ||
71 | /* Code in DRAM, data in IRAM. Insane filter buffer not in IRAM in favour of | ||
72 | * reciprocal table for divison */ | ||
73 | #define ICODE_SECTION_DEMAC_ARM .text | ||
74 | #define ICODE_ATTR_DEMAC | ||
75 | #define ICONST_ATTR_DEMAC ICONST_ATTR | ||
76 | #define IBSS_ATTR_DEMAC IBSS_ATTR | ||
77 | #define IBSS_ATTR_DEMAC_INSANEBUF | ||
78 | |||
79 | #else | ||
80 | /* Code in DRAM, data in IRAM, including insane filter buffer. */ | ||
81 | #define ICODE_SECTION_DEMAC_ARM .text | ||
82 | #define ICODE_ATTR_DEMAC | ||
83 | #define ICONST_ATTR_DEMAC ICONST_ATTR | ||
84 | #define IBSS_ATTR_DEMAC IBSS_ATTR | ||
85 | #define IBSS_ATTR_DEMAC_INSANEBUF IBSS_ATTR | ||
86 | #endif | ||
87 | |||
88 | #else /* !ROCKBOX */ | ||
89 | |||
90 | #define APE_OUTPUT_DEPTH (ape_ctx->bps) | ||
91 | |||
92 | #define MEM_ALIGN_ATTR __attribute__((aligned(16))) | ||
93 | /* adjust to target architecture for best performance */ | ||
94 | |||
95 | #define ICODE_ATTR_DEMAC | ||
96 | #define ICONST_ATTR_DEMAC | ||
97 | #define IBSS_ATTR_DEMAC | ||
98 | #define IBSS_ATTR_DEMAC_INSANEBUF | ||
99 | |||
100 | /* Use to give gcc hints on which branch is most likely taken */ | ||
101 | #if defined(__GNUC__) && __GNUC__ >= 3 | ||
102 | #define LIKELY(x) __builtin_expect(!!(x), 1) | ||
103 | #define UNLIKELY(x) __builtin_expect(!!(x), 0) | ||
104 | #else | ||
105 | #define LIKELY(x) (x) | ||
106 | #define UNLIKELY(x) (x) | ||
107 | #endif | ||
108 | |||
109 | #endif /* !ROCKBOX */ | ||
110 | |||
111 | /* Defaults */ | ||
112 | |||
113 | #ifndef FILTER_HISTORY_SIZE | ||
114 | #define FILTER_HISTORY_SIZE 512 | ||
115 | #endif | ||
116 | |||
117 | #ifndef PREDICTOR_HISTORY_SIZE | ||
118 | #define PREDICTOR_HISTORY_SIZE 512 | ||
119 | #endif | ||
120 | |||
121 | #ifndef FILTER_BITS | ||
122 | #define FILTER_BITS 16 | ||
123 | #endif | ||
124 | |||
125 | |||
126 | #ifndef __ASSEMBLER__ | ||
127 | |||
128 | #if defined(CPU_ARM) && (ARM_ARCH < 5 || defined(USE_IRAM)) | ||
129 | /* optimised unsigned integer division for ARMv4, in IRAM */ | ||
130 | unsigned udiv32_arm(unsigned a, unsigned b); | ||
131 | #define UDIV32(a, b) udiv32_arm(a, b) | ||
132 | #else | ||
133 | /* default */ | ||
134 | #define UDIV32(a, b) (a / b) | ||
135 | #endif | ||
136 | |||
137 | #include <inttypes.h> | ||
138 | #if FILTER_BITS == 32 | ||
139 | typedef int32_t filter_int; | ||
140 | #elif FILTER_BITS == 16 | ||
141 | typedef int16_t filter_int; | ||
142 | #endif | ||
143 | #endif | ||
144 | |||
145 | #endif /* _DEMAC_CONFIG_H */ | ||