annotate decoders/timidity/output.h @ 425:b4abd7c48b6e

Added a comment for later.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 09 Oct 2002 15:50:16 +0000
parents 2d887640d300
children
rev   line source
199
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1 /*
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
2
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
3 TiMidity -- Experimental MIDI to WAVE converter
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4 Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 This program is free software; you can redistribute it and/or modify
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
7 it under the terms of the GNU General Public License as published by
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8 the Free Software Foundation; either version 2 of the License, or
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9 (at your option) any later version.
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
11 This program is distributed in the hope that it will be useful,
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
14 GNU General Public License for more details.
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
16 You should have received a copy of the GNU General Public License
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
17 along with this program; if not, write to the Free Software
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
19
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
20 output.h
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
21
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22 */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
23
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
24 /* Data format encoding bits */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
25
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
26 #define PE_MONO 0x01 /* versus stereo */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
27 #define PE_SIGNED 0x02 /* versus unsigned */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
28 #define PE_16BIT 0x04 /* versus 8-bit */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
30 /* Conversion functions -- These overwrite the Sint32 data in *lp with
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
31 data in another format */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
32
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
33 /* 8-bit signed and unsigned*/
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
34 extern void s32tos8(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35 extern void s32tou8(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
36
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
37 /* 16-bit */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
38 extern void s32tos16(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
39 extern void s32tou16(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
40
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
41 /* byte-exchanged 16-bit */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
42 extern void s32tos16x(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
43 extern void s32tou16x(void *dp, Sint32 *lp, Sint32 c);
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
44
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
45 /* little-endian and big-endian specific */
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
46 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
47 #define s32tou16l s32tou16
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
48 #define s32tou16b s32tou16x
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
49 #define s32tos16l s32tos16
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
50 #define s32tos16b s32tos16x
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
51 #else
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
52 #define s32tou16l s32tou16x
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
53 #define s32tou16b s32tou16
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
54 #define s32tos16l s32tos16x
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
55 #define s32tos16b s32tos16
2d887640d300 Initial add.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
56 #endif