blob: d1d3b5b7f45ca393d0cd9e2b02c56f57c50a9620 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
{
Translation of the ogg headers for FreePascal
Copyright (C) 2006 by Ivo Steinmann
}
(********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************)
unit ogg;
{$mode objfpc}
{$MINENUMSIZE 4}
interface
uses
ctypes;
{$IFDEF WINDOWS}
{$DEFINE DYNLINK}
{$ENDIF}
{$IFDEF DYNLINK}
const
{$IF Defined(WINDOWS)}
ogglib = 'ogglib.dll';
{$ELSEIF Defined(UNIX)}
ogglib = 'libogg.so';
{$ELSE}
{$MESSAGE ERROR 'DYNLINK not supported'}
{$IFEND}
{$ELSE}
{$LINKLIB ogg}
{$ENDIF}
(***********************************************************************)
(* Header : os_types.h *)
(***********************************************************************)
type
ogg_int64_t = cint64; pogg_int64_t = ^ogg_int64_t;
ogg_int32_t = cint32; pogg_int32_t = ^ogg_int32_t;
ogg_uint32_t = cuint32; pogg_uint32_t = ^ogg_uint32_t;
ogg_int16_t = cint16; pogg_int16_t = ^ogg_int16_t;
ogg_uint16_t = cuint16; pogg_uint16_t = ^ogg_uint16_t;
(***********************************************************************)
(* Header : ogg.h *)
(***********************************************************************)
type
poggpack_buffer = ^oggpack_buffer;
oggpack_buffer = record
endbyte : clong;
endbit : cint;
buffer : pcuchar;
ptr : pcuchar;
storage : clong;
end;
{ ogg_page is used to encapsulate the data in one Ogg bitstream page }
pogg_page = ^ogg_page;
ogg_page = record
header : pcuchar;
header_len : clong;
body : pcuchar;
body_len : clong;
end;
{ ogg_stream_state contains the current encode/decode state of a logical Ogg bitstream }
pogg_stream_state = ^ogg_stream_state;
ogg_stream_state = record
body_data : pcuchar; { bytes from packet bodies }
body_storage : clong; { storage elements allocated }
body_fill : clong; { elements stored; fill mark }
body_returned : clong; { elements of fill returned }
lacing_vals : pcint; { The values that will go to the segment table }
granule_vals : pogg_int64_t; { granulepos values for headers. Not compact this way, but it is simple coupled to the lacing fifo }
lacing_storage : clong;
lacing_fill : clong;
lacing_packet : clong;
lacing_returned : clong;
header : array[0..281] of cuchar; { working space for header encode }
header_fill : cint;
e_o_s : cint; { set when we have buffered the last packet in the logical bitstream }
b_o_s : cint; { set after we've written the initial page of a logical bitstream }
serialno : clong;
pageno : clong;
packetno : ogg_int64_t; { sequence number for decode; the framing knows where there's a hole in the data,
but we need coupling so that the codec (which is in a seperate abstraction layer) also knows about the gap }
granulepos : ogg_int64_t;
end;
{ ogg_packet is used to encapsulate the data and metadata belonging to a single raw Ogg/Vorbis packet }
pogg_packet = ^ogg_packet;
ogg_packet = record
packet : pcuchar;
bytes : clong;
b_o_s : clong;
e_o_s : clong;
granulepos : ogg_int64_t;
packetno : ogg_int64_t; { sequence number for decode; the framing knows where there's a hole in the data,
but we need coupling so that the codec (which is in a seperate abstraction layer) also knows about the gap }
end;
ogg_sync_state = record
data : pcuchar;
storage : cint;
fill : cint;
returned : cint;
unsynced : cint;
headerbytes : cint;
bodybytes : cint;
end;
{ Ogg BITSTREAM PRIMITIVES: bitstream }
procedure oggpack_writeinit(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_writetrunc(var b: oggpack_buffer; bits: clong); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_writealign(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_writecopy(var b: oggpack_buffer; source: pointer; bits: clong); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_reset(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_writeclear(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_readinit(var b: oggpack_buffer; buf: pointer; bytes: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_write(var b: oggpack_buffer; value: culong; bits: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_look(var b: oggpack_buffer; bits: cint): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_look1(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_adv(var b: oggpack_buffer; bits: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpack_adv1(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_read(var b: oggpack_buffer; bits: cint): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_read1(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_bytes(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_bits(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpack_get_buffer(var b: oggpack_buffer): pointer; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_writeinit(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_writetrunc(var b: oggpack_buffer; bits: clong); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_writealign(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_writecopy(var b: oggpack_buffer; source: pointer; bits: clong); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_reset(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_writeclear(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_readinit(var b: oggpack_buffer; buf: pointer; bytes: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_write(var b: oggpack_buffer; value: culong; bits: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_look(var b: oggpack_buffer; bits: cint): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_look1(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_adv(var b: oggpack_buffer; bits: cint); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure oggpackB_adv1(var b: oggpack_buffer); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_read(var b: oggpack_buffer; bits: cint): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_read1(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_bytes(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_bits(var b: oggpack_buffer): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function oggpackB_get_buffer(var b: oggpack_buffer): pointer; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
{ ogglib BITSTREAM PRIMITIVES: encoding }
function ogg_stream_packetin(var os: ogg_stream_state; var op: ogg_packet): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_pageout(var os: ogg_stream_state; var op: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_flush(var os: ogg_stream_state; var op: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
{ ogglib BITSTREAM PRIMITIVES: decoding }
function ogg_sync_init(var oy: ogg_sync_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_clear(var oy: ogg_sync_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_reset(var oy: ogg_sync_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_destroy(var oy: ogg_sync_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_buffer(var oy: ogg_sync_state; size: clong): pointer; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_wrote(var oy: ogg_sync_state; bytes: clong): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_pageseek(var oy: ogg_sync_state; var og: ogg_page): pointer; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_sync_pageout(var oy: ogg_sync_state; var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_pagein(var os: ogg_stream_state; var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_packetout(var os: ogg_stream_state; var op: ogg_packet): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_packetpeek(var os: ogg_stream_state; var op: ogg_packet): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
{ ogglib BITSTREAM PRIMITIVES: general }
function ogg_stream_init(var os: ogg_stream_state; serialno: cint): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_clear(var os: ogg_stream_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_reset(var os: ogg_stream_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_reset_serialno(var os: ogg_stream_state; serialno: cint): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_destroy(var os: ogg_stream_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_stream_eos(var os: ogg_stream_state): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure ogg_page_checksum_set(var og: ogg_page); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_version(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_continued(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_bos(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_eos(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_granulepos(var og: ogg_page): ogg_int64_t; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_serialno(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_pageno(var og: ogg_page): clong; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
function ogg_page_packets(var og: ogg_page): cint; cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
procedure ogg_packet_clear(var op: ogg_packet); cdecl; external {$IFDEF DYNLINK}ogglib{$ENDIF};
implementation
end.
|
