Mercurial > sdl-ios-xcode
annotate src/audio/SDL_wave.h @ 1818:7995cc87b777
Fixed some bugs in string handling
Cleaned up error message code, UTF-8 is used instead of UCS2
Added detection for MPEG Layer 3 audio for more informative errors.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 11 May 2006 21:03:23 +0000 |
parents | d910939febfa |
children | 782fd950bd46 a1b03ba2fcd0 |
rev | line source |
---|---|
0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
3 Copyright (C) 1997-2006 Sam Lantinga |
0 | 4 |
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
5 This library is SDL_free software; you can redistribute it and/or |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
6 modify it under the terms of the GNU Lesser General Public |
0 | 7 License as published by the Free Software Foundation; either |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
8 version 2.1 of the License, or (at your option) any later version. |
0 | 9 |
10 This library 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 GNU | |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
13 Lesser General Public License for more details. |
0 | 14 |
1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
15 You should have received a copy of the GNU Lesser General Public |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
16 License along with this library; if not, write to the Free Software |
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
0 | 18 |
19 Sam Lantinga | |
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 slouken@libsdl.org |
0 | 21 */ |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
22 #include "SDL_config.h" |
0 | 23 |
24 /* WAVE files are little-endian */ | |
25 | |
26 /*******************************************/ | |
27 /* Define values for Microsoft WAVE format */ | |
28 /*******************************************/ | |
29 #define RIFF 0x46464952 /* "RIFF" */ | |
30 #define WAVE 0x45564157 /* "WAVE" */ | |
31 #define FACT 0x74636166 /* "fact" */ | |
32 #define LIST 0x5453494c /* "LIST" */ | |
33 #define FMT 0x20746D66 /* "fmt " */ | |
34 #define DATA 0x61746164 /* "data" */ | |
35 #define PCM_CODE 0x0001 | |
36 #define MS_ADPCM_CODE 0x0002 | |
37 #define IMA_ADPCM_CODE 0x0011 | |
1818
7995cc87b777
Fixed some bugs in string handling
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
38 #define MP3_CODE 0x0055 |
0 | 39 #define WAVE_MONO 1 |
40 #define WAVE_STEREO 2 | |
41 | |
42 /* Normally, these three chunks come consecutively in a WAVE file */ | |
43 typedef struct WaveFMT { | |
44 /* Not saved in the chunk we read: | |
45 Uint32 FMTchunk; | |
46 Uint32 fmtlen; | |
47 */ | |
48 Uint16 encoding; | |
49 Uint16 channels; /* 1 = mono, 2 = stereo */ | |
50 Uint32 frequency; /* One of 11025, 22050, or 44100 Hz */ | |
51 Uint32 byterate; /* Average bytes per second */ | |
52 Uint16 blockalign; /* Bytes per sample block */ | |
53 Uint16 bitspersample; /* One of 8, 12, 16, or 4 for ADPCM */ | |
54 } WaveFMT; | |
55 | |
56 /* The general chunk found in the WAVE file */ | |
57 typedef struct Chunk { | |
58 Uint32 magic; | |
59 Uint32 length; | |
722
90dfd3f5782c
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
60 Uint8 *data; |
0 | 61 } Chunk; |
62 |