Mercurial > hg > xemacs-beta

comparison src/miscplay.h @ 398:74fd4e045ea6 r21-2-29

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r21-2-29
author cvs
date Mon, 13 Aug 2007 11:13:30 +0200
parents
children
comparison
equal deleted inserted replaced
397:f4aeb21a5bad 398:74fd4e045ea6
1 /* miscplay.h - general routines related to playing sounds
2 **
3 ** Copyright (C) 1995,96 by Markus Gutschke (gutschk@math.uni-muenster.de)
4 ** This was sawed out from version 1.3 of linuxplay.c by
5 ** Robert Bihlmeyer <robbe@orcus.priv.at>.
6 **
7 ** Parts of this code were inspired by sunplay.c, which is copyright 1989 by
8 ** Jef Poskanzer and 1991,92 by Jamie Zawinski; c.f. sunplay.c for further
9 ** information.
10 **
11 ** Permission to use, copy, modify, and distribute this software and its
12 ** documentation for any purpose and without fee is hereby granted, provided
13 ** that the above copyright notice appear in all copies and that both that
14 ** copyright notice and this permission notice appear in supporting
15 ** documentation. This software is provided "as is" without express or
16 ** implied warranty.
17 */
18
19 #ifndef INCLUDED_miscplay_h_
20 #define INCLUDED_miscplay_h_
21
22 #include <stdlib.h>
23
24 #define HEADERSZ 256 /* has to be at least as big as the biggest header */
25 #define SNDBUFSZ 2048 /* has to be at least as big as HEADERSZ */
26
27 /* Audio data formats from <linux/soundcard.h> */
28 #define AFMT_MU_LAW 0x00000001
29 #define AFMT_A_LAW 0x00000002
30 #define AFMT_IMA_ADPCM 0x00000004
31 #define AFMT_U8 0x00000008
32 #define AFMT_S16_LE 0x00000010 /* Little endian signed 16*/
33 #define AFMT_S16_BE 0x00000020 /* Big endian signed 16 */
34 #define AFMT_S8 0x00000040
35 #define AFMT_U16_LE 0x00000080 /* Little endian U16 */
36 #define AFMT_U16_BE 0x00000100 /* Big endian U16 */
37 #define AFMT_MPEG 0x00000200 /* MPEG (2) audio */
38
39 typedef enum {fmtIllegal,fmtRaw,fmtVoc,fmtWave,fmtSunAudio} fmtType;
40
41 size_t sndcnvnop(void **data,size_t *sz,void **outbuf);
42 size_t sndcnv8U_2mono(void **data,size_t *sz,void **outbuf);
43 size_t sndcnv8S_2mono(void **data,size_t *sz,void **outbuf);
44 size_t sndcnv2monounsigned(void **data,size_t *sz,void **outbuf);
45 size_t sndcnv2unsigned(void **data,size_t *sz,void **outbuf);
46 size_t sndcnvULaw_2linear(void **data,size_t *sz,void **outbuf);
47 size_t sndcnvULaw_2mono(void **data,size_t *sz,void **outbuf);
48 size_t sndcnv16swap(void **data,size_t *sz,void **outbuf);
49 size_t sndcnv16_2monoLE(void **data,size_t *sz,void **outbuf);
50 size_t sndcnv16_2monoBE(void **data,size_t *sz,void **outbuf);
51 size_t sndcnv2byteLE(void **data,size_t *sz,void **outbuf);
52 size_t sndcnv2byteBE(void **data,size_t *sz,void **outbuf);
53 size_t sndcnv2monobyteLE(void **data,size_t *sz,void **outbuf);
54 size_t sndcnv2monobyteBE(void **data,size_t *sz,void **outbuf);
55
56 fmtType analyze_format(unsigned char *format,int *fmt,int *speed,
57 int *tracks,
58 size_t (**parsesndfile)(void **,size_t *sz,
59 void **));
60 void reset_parsestate(void);
61 int parse_wave_complete(void);
62
63 #endif /* INCLUDED_miscplay_h_ */