Mercurial > sdl-ios-xcode

annotate src/audio/SDL_audio_c.h @ 5108:d547877e355e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Colin Leroy 2011-01-26 04:24:20 PST the pthread implementation of SDL_SemWaitTimeout() uses busy waiting, while pthread's sem_timedwait() does work. Attached are patches that make use of it
author Sam Lantinga <slouken@libsdl.org>
date Thu, 27 Jan 2011 00:34:12 -0800
parents f7b03b6838cb
children b530ef003506
rev   line source
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
1 /*
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
3697
f7b03b6838cb Fixed bug #926
Sam Lantinga <slouken@libsdl.org>
parents: 3021
diff changeset
3 Copyright (C) 1997-2010 Sam Lantinga
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
4
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
5 This library is 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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
9
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
18
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
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
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
21 */
1402
d910939febfa Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents: 1312
diff changeset
22 #include "SDL_config.h"
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
23
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
24 /* Functions and variables exported from SDL_audio.c for SDL_sysaudio.c */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
25
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
26 /* Functions to get a list of "close" audio formats */
1982
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
27 extern SDL_AudioFormat SDL_FirstAudioFormat(SDL_AudioFormat format);
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
28 extern SDL_AudioFormat SDL_NextAudioFormat(void);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
29
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
30 /* Function to calculate the size and silence for a SDL_AudioSpec */
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
31 extern void SDL_CalculateAudioSpec(SDL_AudioSpec * spec);
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
32
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
33 /* The actual mixing thread function */
1769
290b5baf2fca Fixed bug #215
Sam Lantinga <slouken@libsdl.org>
parents: 1402
diff changeset
34 extern int SDLCALL SDL_RunAudio(void *audiop);
1982
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
35
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
36 /* this is used internally to access some autogenerated code. */
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
37 typedef struct
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
38 {
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
39 SDL_AudioFormat src_fmt;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
40 SDL_AudioFormat dst_fmt;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
41 SDL_AudioFilter filter;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
42 } SDL_AudioTypeFilters;
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
43 extern const SDL_AudioTypeFilters sdl_audio_type_filters[];
3b4ce57c6215 First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents: 1895
diff changeset
44
3021
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
45 /* this is used internally to access some autogenerated code. */
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
46 typedef struct
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
47 {
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
48 SDL_AudioFormat fmt;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
49 int channels;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
50 int upsample;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
51 int multiple;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
52 SDL_AudioFilter filter;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
53 } SDL_AudioRateFilters;
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
54 extern const SDL_AudioRateFilters sdl_audio_rate_filters[];
f3dcf04412cf First shot at new audio resampling code.
Ryan C. Gordon <icculus@icculus.org>
parents: 2859
diff changeset
55
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents: 1769
diff changeset
56 /* vi: set ts=4 sw=4 expandtab: */