annotate src/loadso/dummy/SDL_loadso.c @ 1260:80f8c94b5199

Date: 10 Jun 2003 15:30:59 -0400 From: Mike Shal Subject: [SDL] Bug in SDL_wave.c? Hey everyone, I'm not sure if this is a bug in SDL, or if I just have incorrect WAV files. The problem I'm having is loading multiple concatenated WAVs from SDL_LoadWAV_RW. Some WAV files put comments at the end of the file (which may be bad form), and SDL doesn't skip past them when reading from the RWops. So the next WAV I try to load will start at the comment section of the previous WAV, which obviously doesn't work. If anyone else is having this problem, one quick fix you can do is run sox on the bad WAVs, which strips out all of the comment sections. Eg: $ sox sound.wav tmp.wav $ mv -f tmp.wav sound.wav The other fix is to patch SDL_wave.c, which is included with this email. (Assuming I made the patch correctly :). All it does is calculate how much remaining space there is in the WAV file after the data chunk, and does SDL_RWseek to skip it. I don't think it should interfere with anything else, but if someone could check it that would be nice :). If the bug is really with SDL and not with my WAVs, can someone work this into the next version of SDL? Thanks, -Mike Shal
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Jan 2006 07:20:18 +0000
parents e9cf8c1b4590
children c9b51268668f
rev   line source
1173
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1 /*
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
3 Copyright (C) 1997-2004 Sam Lantinga
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 modify it under the terms of the GNU Library General Public
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8 version 2 of the License, or (at your option) any later version.
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
13 Library General Public License for more details.
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
14
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15 You should have received a copy of the GNU Library General Public
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
18
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
19 Sam Lantinga
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
20 slouken@libsdl.org
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
21 */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
23 #ifdef SAVE_RCSID
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
24 static char rcsid =
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
25 "@(#) $Id$";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
26 #endif
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
27
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
28 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29 /* System dependent library loading routines */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
30
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
31 #if !SDL_INTERNAL_BUILDING_LOADSO
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
32 #error Do not compile directly...compile src/SDL_loadso.c instead!
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
33 #endif
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
34
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35 #include "SDL_types.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
36 #include "SDL_error.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
37 #include "SDL_loadso.h"
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
38
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
39 void *SDL_LoadObject(const char *sofile)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
40 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
41 const char *loaderror = "SDL_LoadObject() not implemented";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
42 SDL_SetError("Failed loading %s: %s", sofile, loaderror);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
43 return(NULL);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
44 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
45
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
46 void *SDL_LoadFunction(void *handle, const char *name)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
47 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
48 const char *loaderror = "SDL_LoadFunction not implemented";
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
49 SDL_SetError("Failed loading %s: %s", name, loaderror);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
50 return(NULL);
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
51 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
52
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
53 void SDL_UnloadObject(void *handle)
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
54 {
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
55 /* no-op. */
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
56 }
e9cf8c1b4590 Split up src/SDL_loadso.c into platform directories.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
57