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8d399b30 RK |
1 | /* |
2 | * This file is part of DisOrder | |
3 | * Copyright (C) 2007-2010 Richard Kettlewell | |
4 | * | |
5 | * This program is free software: you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation, either version 3 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | /** @file server/decode.h | |
19 | * @brief General-purpose decoder for use by speaker process | |
20 | */ | |
21 | #ifndef DECODE_H | |
22 | #define DECODE_H | |
23 | ||
24 | #include "disorder-server.h" | |
25 | #include "hreader.h" | |
26 | #include "speaker-protocol.h" | |
27 | ||
28 | #define INPUT_BUFFER_SIZE 1048576 | |
29 | ||
30 | /** @brief Output file */ | |
31 | extern FILE *outputfp; | |
32 | ||
33 | /** @brief Input filename */ | |
34 | extern const char *path; | |
35 | ||
36 | /** @brief Input buffer */ | |
37 | extern char input_buffer[INPUT_BUFFER_SIZE]; | |
38 | ||
39 | /** @brief Number of bytes read into buffer */ | |
40 | extern int input_count; | |
41 | ||
42 | /** @brief Write an 8-bit word */ | |
43 | static inline void output_8(int n) { | |
44 | if(putc(n, outputfp) < 0) | |
45 | disorder_fatal(errno, "decoding %s: output error", path); | |
46 | } | |
47 | ||
48 | /** @brief Write a 16-bit word in bigendian format */ | |
49 | static inline void output_16(uint16_t n) { | |
50 | if(putc(n >> 8, outputfp) < 0 | |
51 | || putc(n, outputfp) < 0) | |
52 | disorder_fatal(errno, "decoding %s: output error", path); | |
53 | } | |
54 | ||
55 | /** @brief Write a 24-bit word in bigendian format */ | |
56 | static inline void output_24(uint32_t n) { | |
57 | if(putc(n >> 16, outputfp) < 0 | |
58 | || putc(n >> 8, outputfp) < 0 | |
59 | || putc(n, outputfp) < 0) | |
60 | disorder_fatal(errno, "decoding %s: output error", path); | |
61 | } | |
62 | ||
63 | /** @brief Write a 32-bit word in bigendian format */ | |
64 | static inline void output_32(uint32_t n) { | |
65 | if(putc(n >> 24, outputfp) < 0 | |
66 | || putc(n >> 16, outputfp) < 0 | |
67 | || putc(n >> 8, outputfp) < 0 | |
68 | || putc(n, outputfp) < 0) | |
69 | disorder_fatal(errno, "decoding %s: output error", path); | |
70 | } | |
71 | ||
72 | void output_header(int rate, | |
73 | int channels, | |
74 | int bits, | |
75 | int nbytes, | |
76 | int endian); | |
77 | ||
78 | void decode_mp3(void); | |
79 | void decode_ogg(void); | |
80 | void decode_wav(void); | |
81 | void decode_flac(void); | |
82 | ||
83 | #endif /* DECODE_H */ | |
84 | ||
85 | /* | |
86 | Local Variables: | |
87 | c-basic-offset:2 | |
88 | comment-column:40 | |
89 | fill-column:79 | |
90 | indent-tabs-mode:nil | |
91 | End: | |
92 | */ |