Mercurial > sdl-ios-xcode

annotate src/audio/pulseaudio/SDL_pulseaudio.h @ 2273:a25bc0f79557

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed bug #471
author Sam Lantinga <slouken@libsdl.org>
date Tue, 21 Aug 2007 06:54:07 +0000
parents 60b4c52a7906
children aedfcdeb69b6
rev   line source
2271
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
1 /*
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
2 SDL - Simple DirectMedia Layer
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
3 Copyright (C) 1997-2006 Sam Lantinga
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
4
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
5 This library is free software; you can redistribute it and/or
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
6 modify it under the terms of the GNU Lesser General Public
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
7 License as published by the Free Software Foundation; either
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
8 version 2.1 of the License, or (at your option) any later version.
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
9
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
10 This library is distributed in the hope that it will be useful,
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
13 Lesser General Public License for more details.
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
14
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
15 You should have received a copy of the GNU Lesser General Public
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
16 License along with this library; if not, write to the Free Software
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
18
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
19 Sam Lantinga
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
20 slouken@libsdl.org
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
21 */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
22 #include "SDL_config.h"
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
23
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
24 #ifndef _SDL_pulseaudio_h
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
25 #define _SDL_pulseaudio_h
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
26
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
27 #include <pulse/simple.h>
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
28
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
29 #include "../SDL_sysaudio.h"
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
30
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
31 /* Hidden "this" pointer for the audio functions */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
32 #define _THIS SDL_AudioDevice *this
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
33
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
34 struct SDL_PrivateAudioData
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
35 {
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
36 /* The audio stream handle */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
37 pa_simple *stream;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
38
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
39 /* The parent process id, to detect when application quits */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
40 pid_t parent;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
41
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
42 /* Raw mixing buffer */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
43 Uint8 *mixbuf;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
44 int mixlen;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
45
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
46 /* Support for audio timing using a timer, in addition to select() */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
47 float frame_ticks;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
48 float next_frame;
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
49 };
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
50 #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
51
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
52 #endif /* _SDL_pulseaudio_h */
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
53
60b4c52a7906 Ported PulseAudio target from 1.2 to 1.3 interfaces, and added it to the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
diff changeset
54 /* vi: set ts=4 sw=4 expandtab: */