sdl-ios-xcode: src/audio/openbsd/SDL

annotate src/audio/openbsd/SDL_openbsdaudio.c @ 1402:d910939febfa

Use consistent identifiers for the various platforms we support. Make sure every source file includes SDL_config.h, so the proper system headers are chosen.

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 21 Feb 2006 08:46:50 +0000
parents	19418e4422cb
children	57431b199aed

rev	line source
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
769 b8d311d90021 Updated copyright information for 2004 (Happy New Year!) Sam Lantinga <slouken@libsdl.org> parents: 543 diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	13 Library General Public License for more details.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	16 License along with this library; if not, write to the Free
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) 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: 131 diff changeset	20 slouken@libsdl.org
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) 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: 1361 diff changeset	22 #include "SDL_config.h"
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 /*
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25 * Driver for native OpenBSD audio(4).
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 * vedge@vedge.com.ar.
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	27 */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	28
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29 #include <errno.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include <unistd.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	31 #include <fcntl.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32 #include <sys/time.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33 #include <sys/ioctl.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	34 #include <sys/stat.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	35 #include <sys/types.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	36 #include <sys/audioio.h>
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	38 #include "SDL_timer.h"
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	39 #include "SDL_audio.h"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	40 #include "../SDL_audiomem.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	41 #include "../SDL_audio_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	42 #include "../SDL_audiodev_c.h"
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	43 #include "SDL_openbsdaudio.h"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	44
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	45 /* The tag name used by OpenBSD audio */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	46 #define OBSD_DRIVER_NAME "openbsd"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	47
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	48 /* Open the audio device for playback, and don't block if busy */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	49 /* #define USE_BLOCKING_WRITES */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	50
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	51 /* Use timer for synchronization */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	52 /* #define USE_TIMER_SYNC */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	53
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	54 /* #define DEBUG_AUDIO */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	55 /* #define DEBUG_AUDIO_STREAM */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	56
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	57 #ifdef USE_BLOCKING_WRITES
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	58 #define OPEN_FLAGS O_WRONLY
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	59 #else
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	60 #define OPEN_FLAGS (O_WRONLY\|O_NONBLOCK)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	61 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	62
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	63 /* Audio driver functions */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	64 static void OBSD_WaitAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	65 static int OBSD_OpenAudio(_THIS, SDL_AudioSpec *spec);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	66 static void OBSD_PlayAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	67 static Uint8 *OBSD_GetAudioBuf(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	68 static void OBSD_CloseAudio(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	69
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	70 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	71 static void OBSD_Status(_THIS);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	72 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	73
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	74 /* Audio driver bootstrap functions */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	75
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	76 static int
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	77 Audio_Available(void)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	78 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	79 int fd;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	80 int available;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	81
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	82 available = 0;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	83 fd = SDL_OpenAudioPath(NULL, 0, OPEN_FLAGS, 0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	84 if(fd >= 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	85 available = 1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	86 close(fd);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	87 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	88 return(available);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	89 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	90
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	91 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	92 Audio_DeleteDevice(SDL_AudioDevice *device)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	93 {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	94 SDL_free(device->hidden);
3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	95 SDL_free(device);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	96 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	97
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	98 static SDL_AudioDevice
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	99 *Audio_CreateDevice(int devindex)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	100 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	101 SDL_AudioDevice *this;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	102
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	103 /* Initialize all variables that we clean on shutdown */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	104 this = (SDL_AudioDevice*)SDL_malloc(sizeof(SDL_AudioDevice));
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	105 if(this) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	106 SDL_memset(this, 0, (sizeof *this));
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	107 this->hidden =
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	108 (struct SDL_PrivateAudioData)SDL_malloc((sizeof this->hidden));
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	109 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	110 if((this == NULL) \|\| (this->hidden == NULL)) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	111 SDL_OutOfMemory();
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	112 if(this) SDL_free(this);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	113 return(0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	114 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	115 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	116 audio_fd = -1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	117
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	118 /* Set the function pointers */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	119 this->OpenAudio = OBSD_OpenAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	120 this->WaitAudio = OBSD_WaitAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	121 this->PlayAudio = OBSD_PlayAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	122 this->GetAudioBuf = OBSD_GetAudioBuf;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	123 this->CloseAudio = OBSD_CloseAudio;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	124
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	125 this->free = Audio_DeleteDevice;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	126
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	127 return this;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	128 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	129
121 43febd46d49d Name changed from OBSD to OPENBSD_AUDIO Sam Lantinga <slouken@libsdl.org> parents: 94 diff changeset	130 AudioBootStrap OPENBSD_AUDIO_bootstrap = {
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	131 OBSD_DRIVER_NAME, "Native OpenBSD audio",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	132 Audio_Available, Audio_CreateDevice
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	133 };
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	134
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	135 /* This function waits until it is possible to write a full sound buffer */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	136 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	137 OBSD_WaitAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	138 {
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	139 /* Check to see if the thread-parent process is still alive */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	140 { static int cnt = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	141 /* Note that this only works with thread implementations
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	142 that use a different process id for each thread.
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	143 */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	144 if (parent && (((++cnt)%10) == 0)) { /* Check every 10 loops */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	145 if ( kill(parent, 0) < 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	146 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	147 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	148 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	149 }
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	150
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	151 #ifndef USE_BLOCKING_WRITES /* Not necessary when using blocking writes */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	152 /* See if we need to use timed audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	153 if ( frame_ticks ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	154 /* Use timer for general audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	155 Sint32 ticks;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	156
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	157 ticks = ((Sint32)(next_frame - SDL_GetTicks()))-FUDGE_TICKS;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	158 if ( ticks > 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	159 SDL_Delay(ticks);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	160 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	161 } else {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	162 /* Use select() for audio synchronization */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	163 fd_set fdset;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	164 struct timeval timeout;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	165
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	166 FD_ZERO(&fdset);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	167 FD_SET(audio_fd, &fdset);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	168 timeout.tv_sec = 10;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	169 timeout.tv_usec = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	170 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	171 fprintf(stderr, "Waiting for audio to get ready\n");
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	172 #endif
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	173 if ( select(audio_fd+1, NULL, &fdset, NULL, &timeout) <= 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	174 const char *message =
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	175 "Audio timeout - buggy audio driver? (disabled)";
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	176 /* In general we should never print to the screen,
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	177 but in this case we have no other way of letting
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	178 the user know what happened.
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	179 */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	180 fprintf(stderr, "SDL: %s\n", message);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	181 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	182 /* Don't try to close - may hang */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	183 audio_fd = -1;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	184 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	185 fprintf(stderr, "Done disabling audio\n");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	186 #endif
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	187 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	188 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	189 fprintf(stderr, "Ready!\n");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	190 #endif
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	191 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	192 #endif /* !USE_BLOCKING_WRITES */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	193 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	194
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	195 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	196 OBSD_PlayAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	197 {
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	198 int written, p=0;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	199
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	200 /* Write the audio data, checking for EAGAIN on broken audio drivers */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	201 do {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	202 written = write(audio_fd, &mixbuf[p], mixlen-p);
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	203 if (written>0)
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	204 p += written;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	205 if (written == -1 && errno != 0 && errno != EAGAIN && errno != EINTR)
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	206 {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	207 /* Non recoverable error has occurred. It should be reported!!! */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	208 perror("audio");
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	209 break;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	210 }
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	211
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	212 if ( p < written \|\| ((written < 0) && ((errno == 0) \|\| (errno == EAGAIN))) ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	213 SDL_Delay(1); /* Let a little CPU time go by */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	214 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	215 } while ( p < written );
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	216
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	217 /* If timer synchronization is enabled, set the next write frame */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	218 if ( frame_ticks ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	219 next_frame += frame_ticks;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	220 }
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	221
94 ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	222 /* If we couldn't write, assume fatal error for now */
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	223 if ( written < 0 ) {
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	224 this->enabled = 0;
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	225 }
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	226 #ifdef DEBUG_AUDIO
ae6e6b73333f Cleaned up the OpenBSD port, thanks to Peter Valchev Sam Lantinga <slouken@lokigames.com> parents: 37 diff changeset	227 fprintf(stderr, "Wrote %d bytes of audio data\n", written);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	228 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	229 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	230
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	231 static Uint8
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	232 *OBSD_GetAudioBuf(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	233 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	234 return(mixbuf);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	235 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	236
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	237 static void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	238 OBSD_CloseAudio(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	239 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	240 if(mixbuf != NULL) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	241 SDL_FreeAudioMem(mixbuf);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	242 mixbuf = NULL;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	243 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	244 if(audio_fd >= 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	245 close(audio_fd);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	246 audio_fd = -1;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	247 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	248 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	249
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	250 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	251 void
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	252 OBSD_Status(_THIS)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	253 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	254 audio_info_t info;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	255
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	256 if(ioctl(audio_fd, AUDIO_GETINFO, &info) < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	257 fprintf(stderr,"AUDIO_GETINFO failed.\n");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	258 return;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	259 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	260
1186 0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	261 fprintf(stderr,"\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	262 "[play/record info]\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	263 "buffer size : %d bytes\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	264 "sample rate : %i Hz\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	265 "channels : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	266 "precision : %i-bit\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	267 "encoding : 0x%x\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	268 "seek : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	269 "sample count : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	270 "EOF count : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	271 "paused : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	272 "error occured : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	273 "waiting : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	274 "active : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	275 "",
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	276 info.play.buffer_size,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	277 info.play.sample_rate,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	278 info.play.channels,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	279 info.play.precision,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	280 info.play.encoding,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	281 info.play.seek,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	282 info.play.samples,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	283 info.play.eof,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	284 info.play.pause ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	285 info.play.error ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	286 info.play.waiting ? "yes" : "no",
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	287 info.play.active ? "yes": "no");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	288
1186 0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	289 fprintf(stderr,"\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	290 "[audio info]\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	291 "monitor_gain : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	292 "hw block size : %d bytes\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	293 "hi watermark : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	294 "lo watermark : %i\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	295 "audio mode : %s\n"
0276947bee66 Patched OpenBSD audio to compile on newer GCC versions. Ryan C. Gordon <icculus@icculus.org> parents: 769 diff changeset	296 "",
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	297 info.monitor_gain,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	298 info.blocksize,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	299 info.hiwat, info.lowat,
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	300 (info.mode == AUMODE_PLAY) ? "PLAY"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	301 : (info.mode = AUMODE_RECORD) ? "RECORD"
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	302 : (info.mode == AUMODE_PLAY_ALL ? "PLAY_ALL"
543 522e5202014d * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 297 diff changeset	303 : "?"));
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	304 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	305 #endif /* DEBUG_AUDIO */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	306
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	307 static int
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	308 OBSD_OpenAudio(_THIS, SDL_AudioSpec *spec)
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	309 {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	310 char audiodev[64];
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	311 Uint16 format;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	312 audio_info_t info;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	313
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	314 AUDIO_INITINFO(&info);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	315
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	316 /* Calculate the final parameters for this audio specification */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	317 SDL_CalculateAudioSpec(spec);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	318
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	319 #ifdef USE_TIMER_SYNC
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	320 frame_ticks = 0.0;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	321 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	322
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	323 /* Open the audio device */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	324 audio_fd = SDL_OpenAudioPath(audiodev, sizeof(audiodev), OPEN_FLAGS, 0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	325 if(audio_fd < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	326 SDL_SetError("Couldn't open %s: %s", audiodev, strerror(errno));
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	327 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	328 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	329
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	330 /* Set to play mode */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	331 info.mode = AUMODE_PLAY;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	332 if(ioctl(audio_fd, AUDIO_SETINFO, &info) < 0) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	333 SDL_SetError("Couldn't put device into play mode");
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	334 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	335 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	336
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	337 mixbuf = NULL;
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	338 AUDIO_INITINFO(&info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	339 for (format = SDL_FirstAudioFormat(spec->format);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	340 format; format = SDL_NextAudioFormat())
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	341 {
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	342 switch(format) {
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	343 case AUDIO_U8:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	344 info.play.encoding = AUDIO_ENCODING_ULINEAR;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	345 info.play.precision = 8;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	346 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	347 case AUDIO_S8:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	348 info.play.encoding = AUDIO_ENCODING_SLINEAR;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	349 info.play.precision = 8;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	350 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	351 case AUDIO_S16LSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	352 info.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	353 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	354 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	355 case AUDIO_S16MSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	356 info.play.encoding = AUDIO_ENCODING_SLINEAR_BE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	357 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	358 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	359 case AUDIO_U16LSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	360 info.play.encoding = AUDIO_ENCODING_ULINEAR_LE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	361 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	362 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	363 case AUDIO_U16MSB:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	364 info.play.encoding = AUDIO_ENCODING_ULINEAR_BE;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	365 info.play.precision = 16;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	366 break;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	367 default:
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	368 continue;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	369 }
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	370 if (ioctl(audio_fd, AUDIO_SETINFO, &info) == 0)
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	371 break;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	372 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	373
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	374 if(!format) {
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	375 SDL_SetError("No supported encoding for 0x%x", spec->format);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	376 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	377 }
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	378
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	379 spec->format = format;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	380
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	381 AUDIO_INITINFO(&info);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	382 info.play.channels = spec->channels;
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	383 if (ioctl(audio_fd, AUDIO_SETINFO, &info) == -1)
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	384 spec->channels = 1;
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	385 AUDIO_INITINFO(&info);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	386 info.play.sample_rate = spec->freq;
131 5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	387 (void)ioctl(audio_fd, AUDIO_SETINFO, &info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	388 (void)ioctl(audio_fd, AUDIO_GETINFO, &info);
5d08b230932e Fixed audio format selection for OpenBSD (thanks Peter!) Sam Lantinga <slouken@libsdl.org> parents: 121 diff changeset	389 spec->freq = info.play.sample_rate;
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	390 /* Allocate mixing buffer */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	391 mixlen = spec->size;
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	392 mixbuf = (Uint8*)SDL_AllocAudioMem(mixlen);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	393 if(mixbuf == NULL) {
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	394 return(-1);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	395 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1186 diff changeset	396 SDL_memset(mixbuf, spec->silence, spec->size);
37 3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	397
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	398 /* Get the parent process id (we're the parent of the audio thread) */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	399 parent = getpid();
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	400
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	401 #ifdef DEBUG_AUDIO
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	402 OBSD_Status(this);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	403 #endif
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	404
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	405 /* We're ready to rock and roll. :-) */
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	406 return(0);
3ad7157c6cfa Added native OpenBSD audio driver (thanks vedge!) Sam Lantinga <slouken@lokigames.com> parents: diff changeset	407 }

Mercurial > sdl-ios-xcode

annotate src/audio/openbsd/SDL_openbsdaudio.c @ 1402:d910939febfa