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author | Dave Chapman <dave@dchapman.com> | 2005-02-16 19:33:19 +0000 |
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committer | Dave Chapman <dave@dchapman.com> | 2005-02-16 19:33:19 +0000 |
commit | aa97e4d4981d61808a558c5ab36be6d3bcc2c4f6 (patch) | |
tree | a66b2fcd87f37b26e2d4f360e6c2a9db53eb1b5b /apps/codecs/libFLAC/include/private/bitbuffer.h | |
parent | 9b32a1988f848145d96ba2be8cba86e837196df3 (diff) | |
download | rockbox-aa97e4d4981d61808a558c5ab36be6d3bcc2c4f6.tar.gz rockbox-aa97e4d4981d61808a558c5ab36be6d3bcc2c4f6.zip |
Initial import of libFLAC from flac-1.1.2.tar.gz
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5983 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libFLAC/include/private/bitbuffer.h')
-rw-r--r-- | apps/codecs/libFLAC/include/private/bitbuffer.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/apps/codecs/libFLAC/include/private/bitbuffer.h b/apps/codecs/libFLAC/include/private/bitbuffer.h new file mode 100644 index 0000000000..4ce5957fde --- /dev/null +++ b/apps/codecs/libFLAC/include/private/bitbuffer.h | |||
@@ -0,0 +1,159 @@ | |||
1 | /* libFLAC - Free Lossless Audio Codec library | ||
2 | * Copyright (C) 2000,2001,2002,2003,2004,2005 Josh Coalson | ||
3 | * | ||
4 | * Redistribution and use in source and binary forms, with or without | ||
5 | * modification, are permitted provided that the following conditions | ||
6 | * are met: | ||
7 | * | ||
8 | * - Redistributions of source code must retain the above copyright | ||
9 | * notice, this list of conditions and the following disclaimer. | ||
10 | * | ||
11 | * - Redistributions in binary form must reproduce the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer in the | ||
13 | * documentation and/or other materials provided with the distribution. | ||
14 | * | ||
15 | * - Neither the name of the Xiph.org Foundation nor the names of its | ||
16 | * contributors may be used to endorse or promote products derived from | ||
17 | * this software without specific prior written permission. | ||
18 | * | ||
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR | ||
23 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
24 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
25 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
26 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
27 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
28 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
29 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
30 | */ | ||
31 | |||
32 | #ifndef FLAC__PRIVATE__BITBUFFER_H | ||
33 | #define FLAC__PRIVATE__BITBUFFER_H | ||
34 | |||
35 | #include <stdio.h> /* for FILE */ | ||
36 | #include "FLAC/ordinals.h" | ||
37 | |||
38 | /* @@@ This should be configurable. Valid values are currently 8 and 32. */ | ||
39 | /* @@@ WATCHOUT! do not use 32 with a little endian system yet. */ | ||
40 | #define FLAC__BITS_PER_BLURB 8 | ||
41 | |||
42 | #if FLAC__BITS_PER_BLURB == 8 | ||
43 | typedef FLAC__byte FLAC__blurb; | ||
44 | #elif FLAC__BITS_PER_BLURB == 32 | ||
45 | typedef FLAC__uint32 FLAC__blurb; | ||
46 | #else | ||
47 | /* ERROR, only sizes of 8 and 32 are supported */ | ||
48 | #endif | ||
49 | |||
50 | /* | ||
51 | * opaque structure definition | ||
52 | */ | ||
53 | struct FLAC__BitBuffer; | ||
54 | typedef struct FLAC__BitBuffer FLAC__BitBuffer; | ||
55 | |||
56 | /* | ||
57 | * construction, deletion, initialization, cloning functions | ||
58 | */ | ||
59 | FLAC__BitBuffer *FLAC__bitbuffer_new(); | ||
60 | void FLAC__bitbuffer_delete(FLAC__BitBuffer *bb); | ||
61 | FLAC__bool FLAC__bitbuffer_init(FLAC__BitBuffer *bb); | ||
62 | FLAC__bool FLAC__bitbuffer_init_from(FLAC__BitBuffer *bb, const FLAC__byte buffer[], unsigned bytes); | ||
63 | FLAC__bool FLAC__bitbuffer_concatenate_aligned(FLAC__BitBuffer *dest, const FLAC__BitBuffer *src); | ||
64 | void FLAC__bitbuffer_free(FLAC__BitBuffer *bb); /* does not 'free(buffer)' */ | ||
65 | FLAC__bool FLAC__bitbuffer_clear(FLAC__BitBuffer *bb); | ||
66 | FLAC__bool FLAC__bitbuffer_clone(FLAC__BitBuffer *dest, const FLAC__BitBuffer *src); | ||
67 | |||
68 | /* | ||
69 | * CRC functions | ||
70 | */ | ||
71 | void FLAC__bitbuffer_reset_read_crc16(FLAC__BitBuffer *bb, FLAC__uint16 seed); | ||
72 | FLAC__uint16 FLAC__bitbuffer_get_read_crc16(FLAC__BitBuffer *bb); | ||
73 | FLAC__uint16 FLAC__bitbuffer_get_write_crc16(const FLAC__BitBuffer *bb); | ||
74 | FLAC__byte FLAC__bitbuffer_get_write_crc8(const FLAC__BitBuffer *bb); | ||
75 | |||
76 | /* | ||
77 | * info functions | ||
78 | */ | ||
79 | FLAC__bool FLAC__bitbuffer_is_byte_aligned(const FLAC__BitBuffer *bb); | ||
80 | FLAC__bool FLAC__bitbuffer_is_consumed_byte_aligned(const FLAC__BitBuffer *bb); | ||
81 | unsigned FLAC__bitbuffer_bits_left_for_byte_alignment(const FLAC__BitBuffer *bb); | ||
82 | unsigned FLAC__bitbuffer_get_input_bytes_unconsumed(const FLAC__BitBuffer *bb); /* do not call unless byte-aligned */ | ||
83 | |||
84 | /* | ||
85 | * direct buffer access | ||
86 | */ | ||
87 | void FLAC__bitbuffer_get_buffer(FLAC__BitBuffer *bb, const FLAC__byte **buffer, unsigned *bytes); | ||
88 | void FLAC__bitbuffer_release_buffer(FLAC__BitBuffer *bb); | ||
89 | |||
90 | /* | ||
91 | * write functions | ||
92 | */ | ||
93 | FLAC__bool FLAC__bitbuffer_write_zeroes(FLAC__BitBuffer *bb, unsigned bits); | ||
94 | FLAC__bool FLAC__bitbuffer_write_raw_uint32(FLAC__BitBuffer *bb, FLAC__uint32 val, unsigned bits); | ||
95 | FLAC__bool FLAC__bitbuffer_write_raw_int32(FLAC__BitBuffer *bb, FLAC__int32 val, unsigned bits); | ||
96 | FLAC__bool FLAC__bitbuffer_write_raw_uint64(FLAC__BitBuffer *bb, FLAC__uint64 val, unsigned bits); | ||
97 | #if 0 /* UNUSED */ | ||
98 | FLAC__bool FLAC__bitbuffer_write_raw_int64(FLAC__BitBuffer *bb, FLAC__int64 val, unsigned bits); | ||
99 | #endif | ||
100 | FLAC__bool FLAC__bitbuffer_write_raw_uint32_little_endian(FLAC__BitBuffer *bb, FLAC__uint32 val); /*only for bits=32*/ | ||
101 | FLAC__bool FLAC__bitbuffer_write_byte_block(FLAC__BitBuffer *bb, const FLAC__byte vals[], unsigned nvals); | ||
102 | FLAC__bool FLAC__bitbuffer_write_unary_unsigned(FLAC__BitBuffer *bb, unsigned val); | ||
103 | unsigned FLAC__bitbuffer_rice_bits(int val, unsigned parameter); | ||
104 | #if 0 /* UNUSED */ | ||
105 | unsigned FLAC__bitbuffer_golomb_bits_signed(int val, unsigned parameter); | ||
106 | unsigned FLAC__bitbuffer_golomb_bits_unsigned(unsigned val, unsigned parameter); | ||
107 | #endif | ||
108 | #ifdef FLAC__SYMMETRIC_RICE | ||
109 | FLAC__bool FLAC__bitbuffer_write_symmetric_rice_signed(FLAC__BitBuffer *bb, int val, unsigned parameter); | ||
110 | #if 0 /* UNUSED */ | ||
111 | FLAC__bool FLAC__bitbuffer_write_symmetric_rice_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, FLAC__bool *overflow); | ||
112 | #endif | ||
113 | FLAC__bool FLAC__bitbuffer_write_symmetric_rice_signed_escape(FLAC__BitBuffer *bb, int val, unsigned parameter); | ||
114 | #endif | ||
115 | FLAC__bool FLAC__bitbuffer_write_rice_signed(FLAC__BitBuffer *bb, int val, unsigned parameter); | ||
116 | #if 0 /* UNUSED */ | ||
117 | FLAC__bool FLAC__bitbuffer_write_rice_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, FLAC__bool *overflow); | ||
118 | #endif | ||
119 | #if 0 /* UNUSED */ | ||
120 | FLAC__bool FLAC__bitbuffer_write_golomb_signed(FLAC__BitBuffer *bb, int val, unsigned parameter); | ||
121 | FLAC__bool FLAC__bitbuffer_write_golomb_signed_guarded(FLAC__BitBuffer *bb, int val, unsigned parameter, unsigned max_bits, FLAC__bool *overflow); | ||
122 | FLAC__bool FLAC__bitbuffer_write_golomb_unsigned(FLAC__BitBuffer *bb, unsigned val, unsigned parameter); | ||
123 | FLAC__bool FLAC__bitbuffer_write_golomb_unsigned_guarded(FLAC__BitBuffer *bb, unsigned val, unsigned parameter, unsigned max_bits, FLAC__bool *overflow); | ||
124 | #endif | ||
125 | FLAC__bool FLAC__bitbuffer_write_utf8_uint32(FLAC__BitBuffer *bb, FLAC__uint32 val); | ||
126 | FLAC__bool FLAC__bitbuffer_write_utf8_uint64(FLAC__BitBuffer *bb, FLAC__uint64 val); | ||
127 | FLAC__bool FLAC__bitbuffer_zero_pad_to_byte_boundary(FLAC__BitBuffer *bb); | ||
128 | |||
129 | /* | ||
130 | * read functions | ||
131 | */ | ||
132 | FLAC__bool FLAC__bitbuffer_peek_bit(FLAC__BitBuffer *bb, unsigned *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
133 | FLAC__bool FLAC__bitbuffer_read_bit(FLAC__BitBuffer *bb, unsigned *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
134 | FLAC__bool FLAC__bitbuffer_read_bit_to_uint32(FLAC__BitBuffer *bb, FLAC__uint32 *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
135 | FLAC__bool FLAC__bitbuffer_read_bit_to_uint64(FLAC__BitBuffer *bb, FLAC__uint64 *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
136 | FLAC__bool FLAC__bitbuffer_read_raw_uint32(FLAC__BitBuffer *bb, FLAC__uint32 *val, const unsigned bits, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
137 | FLAC__bool FLAC__bitbuffer_read_raw_int32(FLAC__BitBuffer *bb, FLAC__int32 *val, const unsigned bits, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
138 | FLAC__bool FLAC__bitbuffer_read_raw_uint64(FLAC__BitBuffer *bb, FLAC__uint64 *val, const unsigned bits, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
139 | #if 0 /* UNUSED */ | ||
140 | FLAC__bool FLAC__bitbuffer_read_raw_int64(FLAC__BitBuffer *bb, FLAC__int64 *val, const unsigned bits, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
141 | #endif | ||
142 | FLAC__bool FLAC__bitbuffer_read_raw_uint32_little_endian(FLAC__BitBuffer *bb, FLAC__uint32 *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); /*only for bits=32*/ | ||
143 | FLAC__bool FLAC__bitbuffer_skip_bits_no_crc(FLAC__BitBuffer *bb, unsigned bits, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); /* WATCHOUT: does not CRC the skipped data! */ /*@@@@ add to unit tests */ | ||
144 | FLAC__bool FLAC__bitbuffer_read_byte_block_aligned_no_crc(FLAC__BitBuffer *bb, FLAC__byte *val, unsigned nvals, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); /* val may be 0 to skip bytes instead of reading them */ /* WATCHOUT: does not CRC the read data! */ | ||
145 | FLAC__bool FLAC__bitbuffer_read_unary_unsigned(FLAC__BitBuffer *bb, unsigned *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
146 | #ifdef FLAC__SYMMETRIC_RICE | ||
147 | FLAC__bool FLAC__bitbuffer_read_symmetric_rice_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
148 | #endif | ||
149 | FLAC__bool FLAC__bitbuffer_read_rice_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
150 | FLAC__bool FLAC__bitbuffer_read_rice_signed_block(FLAC__BitBuffer *bb, int vals[], unsigned nvals, unsigned parameter, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
151 | #if 0 /* UNUSED */ | ||
152 | FLAC__bool FLAC__bitbuffer_read_golomb_signed(FLAC__BitBuffer *bb, int *val, unsigned parameter, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
153 | FLAC__bool FLAC__bitbuffer_read_golomb_unsigned(FLAC__BitBuffer *bb, unsigned *val, unsigned parameter, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data); | ||
154 | #endif | ||
155 | FLAC__bool FLAC__bitbuffer_read_utf8_uint32(FLAC__BitBuffer *bb, FLAC__uint32 *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data, FLAC__byte *raw, unsigned *rawlen); | ||
156 | FLAC__bool FLAC__bitbuffer_read_utf8_uint64(FLAC__BitBuffer *bb, FLAC__uint64 *val, FLAC__bool (*read_callback)(FLAC__byte buffer[], unsigned *bytes, void *client_data), void *client_data, FLAC__byte *raw, unsigned *rawlen); | ||
157 | void FLAC__bitbuffer_dump(const FLAC__BitBuffer *bb, FILE *out); | ||
158 | |||
159 | #endif | ||