sdl-ios-xcode: src/audio/qsa/SDL_qsa

annotate src/audio/qsa/SDL_qsa_audio.c @ 3125:d71d8ceda8b3

Few new video modes have been added.

author	Mike Gorchak <lestat@i.com.ua>
date	Fri, 15 May 2009 15:47:37 +0000
parents	60301ed80050
children	7f684f249ec9

rev	line source
3099 82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	3 Copyright (C) 1997-2009 Sam Lantinga
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Library General Public License for more details.
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 QNX Sound Architecture (QSA) SDL driver
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 Copyright (C) 2009 Mike Gorchak
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 (mike@malva.ua, lestat@i.com.ua)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25 */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27 #include "SDL_config.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29 #include <errno.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include <unistd.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include <fcntl.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include <signal.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33 #include <sys/types.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 #include <sys/time.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 #include <sched.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 #include <sys/select.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 #include <sys/neutrino.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 #include <sys/asoundlib.h>
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 #include "SDL_timer.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 #include "SDL_audio.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 #include "../SDL_audiomem.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 #include "../SDL_audio_c.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 #include "SDL_qsa_audio.h"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46 /* The tag name used by QSA audio framework */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 #define DRIVER_NAME "qsa"
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 /* default channel communication parameters */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 #define DEFAULT_CPARAMS_RATE 44100
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 #define DEFAULT_CPARAMS_VOICES 1
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 #define DEFAULT_CPARAMS_FRAG_SIZE 4096
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 #define DEFAULT_CPARAMS_FRAGS_MIN 1
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 #define DEFAULT_CPARAMS_FRAGS_MAX 1
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 #define QSA_NO_WORKAROUNDS 0x00000000
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 #define QSA_MMAP_WORKAROUND 0x00000001
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 struct BuggyCards
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 char* cardname;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 unsigned long bugtype;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 };
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 #define QSA_WA_CARDS 3
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 #define QSA_MAX_CARD_NAME_LENGTH 33
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 struct BuggyCards buggycards[QSA_WA_CARDS]=
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 {"Sound Blaster Live!", QSA_MMAP_WORKAROUND},
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 {"Vortex 8820", QSA_MMAP_WORKAROUND},
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 {"Vortex 8830", QSA_MMAP_WORKAROUND},
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 };
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76 /* List of found devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 #define QSA_MAX_DEVICES 32
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 #define QSA_MAX_NAME_LENGTH 81+16 /* Hardcoded in QSA, can't be changed */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 typedef struct _QSA_Device
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 char name[QSA_MAX_NAME_LENGTH]; /* Long audio device name for SDL */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 int cardno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 int deviceno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 } QSA_Device;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 QSA_Device qsa_playback_device[QSA_MAX_DEVICES];
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88 uint32_t qsa_playback_devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 QSA_Device qsa_capture_device[QSA_MAX_DEVICES];
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 uint32_t qsa_capture_devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 static inline void QSA_SetError(const char* fn, int status)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 {
3123 60301ed80050 Set audio device handle to NULL in case of open was not successful. Mike Gorchak <lestat@i.com.ua> parents: 3099 diff changeset	95 SDL_SetError("QSA: %s() failed: %s", fn, snd_strerror(status));
3099 82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 /* card names check to apply the workarounds */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 static int QSA_CheckBuggyCards(_THIS, unsigned long checkfor)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101 char scardname[QSA_MAX_CARD_NAME_LENGTH];
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 int it;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 if (snd_card_get_name(this->hidden->cardno, scardname, QSA_MAX_CARD_NAME_LENGTH-1)<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 for (it=0; it<QSA_WA_CARDS; it++)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 if (SDL_strcmp(buggycards[it].cardname, scardname)==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 if (buggycards[it].bugtype==checkfor)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 return 1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	123 static void QSA_ThreadInit(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125 struct sched_param param;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 int status;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 /* Increase default 10 priority to 25 to avoid jerky sound */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129 status=SchedGet(0, 0, &param);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 param.sched_priority=param.sched_curpriority + 15;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	131 status=SchedSet(0, 0, SCHED_NOCHANGE, &param);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	132 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	133
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	134 /* PCM channel parameters initialize function */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	135 static void QSA_InitAudioParams(snd_pcm_channel_params_t* cpars)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	136 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	137 SDL_memset(cpars, 0, sizeof(snd_pcm_channel_params_t));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	138
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	139 cpars->channel=SND_PCM_CHANNEL_PLAYBACK;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	140 cpars->mode=SND_PCM_MODE_BLOCK;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	141 cpars->start_mode=SND_PCM_START_DATA;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	142 cpars->stop_mode=SND_PCM_STOP_STOP;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	143 cpars->format.format=SND_PCM_SFMT_S16_LE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	144 cpars->format.interleave=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	145 cpars->format.rate=DEFAULT_CPARAMS_RATE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	146 cpars->format.voices=DEFAULT_CPARAMS_VOICES;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	147 cpars->buf.block.frag_size=DEFAULT_CPARAMS_FRAG_SIZE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	148 cpars->buf.block.frags_min=DEFAULT_CPARAMS_FRAGS_MIN;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	149 cpars->buf.block.frags_max=DEFAULT_CPARAMS_FRAGS_MAX;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	150 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	151
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	152 /* This function waits until it is possible to write a full sound buffer */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	153 static void QSA_WaitDevice(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	154 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	155 fd_set wfds;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	156 fd_set rfds;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	157 int selectret;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	158 struct timeval timeout;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	159
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	160 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	161 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	162 FD_ZERO(&wfds);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	163 FD_SET(this->hidden->audio_fd, &wfds);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	164 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	165 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	166 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	167 FD_ZERO(&rfds);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	168 FD_SET(this->hidden->audio_fd, &rfds);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	169 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	170
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	171 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	172 /* Setup timeout for playing one fragment equal to 2 seconds */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	173 /* If timeout occured than something wrong with hardware or driver */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	174 /* For example, Vortex 8820 audio driver stucks on second DAC because */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	175 /* it doesn't exist ! */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	176 timeout.tv_sec=2;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	177 timeout.tv_usec=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	178 this->hidden->timeout_on_wait=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	179
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	180 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	181 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	182 selectret=select(this->hidden->audio_fd+1, NULL, &wfds, NULL, &timeout);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	183 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	184 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	185 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	186 selectret=select(this->hidden->audio_fd+1, &rfds, NULL, NULL, &timeout);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	187 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	188
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	189 switch(selectret)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	190 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	191 case -1:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	192 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	193 SDL_SetError("QSA: select() failed: %s\n", strerror(errno));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	196 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	197 case 0:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	199 SDL_SetError("QSA: timeout on buffer waiting occured\n");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	200 this->hidden->timeout_on_wait=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	201 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	202 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	203 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 default:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	206 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	207 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	208 if (FD_ISSET(this->hidden->audio_fd, &wfds))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	209 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	212 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	213 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	214 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	215 if (FD_ISSET(this->hidden->audio_fd, &rfds))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	216 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	217 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	218 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	219 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	220 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	221 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	222 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	223 } while (1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	224 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	225
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	226 static void QSA_PlayDevice(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	227 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	228 snd_pcm_channel_status_t cstatus;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	229 int written;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	230 int status;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	231 int towrite;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	232 void* pcmbuffer;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	233
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	234 if ((!this->enabled) \|\| (!this->hidden))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	235 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	236 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	237 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	238
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	239 towrite = this->spec.size;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	240 pcmbuffer = this->hidden->pcm_buf;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	241
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	242 /* Write the audio data, checking for EAGAIN (buffer full) and underrun */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	243 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	244 written=snd_pcm_plugin_write(this->hidden->audio_handle, pcmbuffer, towrite);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	245 if (written!=towrite)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	246 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	247 /* Check if samples playback got stuck somewhere in hardware or in */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	248 /* the audio device driver */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	249 if ((errno==EAGAIN) && (written==0))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	250 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	251 if (this->hidden->timeout_on_wait!=0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	252 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	253 SDL_SetError("QSA: buffer playback timeout\n");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	254 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	255 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	256 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	257
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	258 /* Check for errors or conditions */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	259 if ((errno==EAGAIN)\|\|(errno==EWOULDBLOCK))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	260 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	261 /* Let a little CPU time go by and try to write again */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 SDL_Delay(1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	264 /* if we wrote some data */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	265 towrite-=written;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	266 pcmbuffer+=written*this->spec.channels;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	267 continue;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	268 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	269 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	270 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	271 if ((errno==EINVAL)\|\|(errno==EIO))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	272 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	273 SDL_memset(&cstatus, 0, sizeof(cstatus));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	274 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	275 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	276 cstatus.channel=SND_PCM_CHANNEL_PLAYBACK;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	277 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	278 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	279 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	280 cstatus.channel=SND_PCM_CHANNEL_CAPTURE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	281 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	282
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	283 status=snd_pcm_plugin_status(this->hidden->audio_handle, &cstatus);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	284 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	285 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	286 QSA_SetError("snd_pcm_plugin_status", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	287 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	288 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	289
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	290 if ((cstatus.status==SND_PCM_STATUS_UNDERRUN) \|\|
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	291 (cstatus.status==SND_PCM_STATUS_READY))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	292 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	293 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	294 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	295 status=snd_pcm_plugin_prepare(this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	296 SND_PCM_CHANNEL_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	297 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	298 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	299 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	300 status=snd_pcm_plugin_prepare(this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	301 SND_PCM_CHANNEL_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	302 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	303 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	304 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	305 QSA_SetError("snd_pcm_plugin_prepare", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	306 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	307 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	308 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	309 continue;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	310 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	311 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	312 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	313 return;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	314 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	315 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	316 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	317 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	318 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	319 /* we wrote all remaining data */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	320 towrite -= written;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	321 pcmbuffer += written * this->spec.channels;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	322 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	323 } while ((towrite>0) && (this->enabled));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	324
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	325 /* If we couldn't write, assume fatal error for now */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	326 if (towrite!=0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	327 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	328 this->enabled=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	329 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	330 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	331
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	332 static Uint8* QSA_GetDeviceBuf(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	333 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	334 return this->hidden->pcm_buf;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	335 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	336
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	337 static void QSA_CloseDevice(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	338 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	339 if (this->hidden!=NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	340 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	341 if (this->hidden->audio_handle!=NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	342 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	343 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	344 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	345 /* Finish playing available samples */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	346 snd_pcm_plugin_flush(this->hidden->audio_handle, SND_PCM_CHANNEL_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	348 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	349 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	350 /* Cancel unread samples during capture */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	351 snd_pcm_plugin_flush(this->hidden->audio_handle, SND_PCM_CHANNEL_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	352 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	353 snd_pcm_close(this->hidden->audio_handle);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	354 this->hidden->audio_handle=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	355 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	356
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	357 if (this->hidden->pcm_buf!=NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	358 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	359 SDL_FreeAudioMem(this->hidden->pcm_buf);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	360 this->hidden->pcm_buf=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	361 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	362
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	363 SDL_free(this->hidden);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	364 this->hidden=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	365 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	366 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	367
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	368 static int QSA_OpenDevice(_THIS, const char* devname, int iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	369 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	370 int status=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	371 int format=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	372 SDL_AudioFormat test_format=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	373 int found=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	374 snd_pcm_channel_setup_t csetup;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	375 snd_pcm_channel_params_t cparams;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	376
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	377 /* Initialize all variables that we clean on shutdown */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	378 this->hidden=(struct SDL_PrivateAudioData*)SDL_calloc(1, (sizeof(struct SDL_PrivateAudioData)));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	379 if (this->hidden==NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	380 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	381 SDL_OutOfMemory();
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	382 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	383 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	384 SDL_memset(this->hidden, 0, sizeof(struct SDL_PrivateAudioData));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	385
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	386 /* Initialize channel transfer parameters to default */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	387 QSA_InitAudioParams(&cparams);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	388
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	389 /* Initialize channel direction: capture or playback */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	390 this->hidden->iscapture=iscapture;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	391
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	392 /* Find deviceid and cardid by device name for playback */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	393 if ((!this->hidden->iscapture) && (devname!=NULL))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	394 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	395 uint32_t device;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	396 int32_t status;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	397
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	398 /* Search in the playback devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	399 device=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	400 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	401 status=SDL_strcmp(qsa_playback_device[device].name, devname);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	402 if (status==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	403 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	404 /* Found requested device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	405 this->hidden->deviceno=qsa_playback_device[device].deviceno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	406 this->hidden->cardno=qsa_playback_device[device].cardno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	407 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	408 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	409 device++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	410 if (device>=qsa_playback_devices)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	411 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	412 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	413 SDL_SetError("No such playback device");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	414 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	415 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	416 } while(1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	417 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	418
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	419 /* Find deviceid and cardid by device name for capture */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	420 if ((this->hidden->iscapture) && (devname!=NULL))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	421 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	422 /* Search in the capture devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	423 uint32_t device;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	424 int32_t status;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	425
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	426 /* Searching in the playback devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	427 device=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	428 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	429 status=SDL_strcmp(qsa_capture_device[device].name, devname);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	430 if (status==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	431 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	432 /* Found requested device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	433 this->hidden->deviceno=qsa_capture_device[device].deviceno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	434 this->hidden->cardno=qsa_capture_device[device].cardno;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	435 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	436 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	437 device++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	438 if (device>=qsa_capture_devices)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	439 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	440 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	441 SDL_SetError("No such capture device");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	442 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	443 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	444 } while(1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	445 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	446
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	447 /* Check if SDL requested default audio device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	448 if (devname==NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	449 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	450 /* Open system default audio device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	451 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	452 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	453 status=snd_pcm_open_preferred(&this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	454 &this->hidden->cardno,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	455 &this->hidden->deviceno, SND_PCM_OPEN_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	456 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	457 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	458 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	459 status=snd_pcm_open_preferred(&this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	460 &this->hidden->cardno,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	461 &this->hidden->deviceno, SND_PCM_OPEN_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	462 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	463 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	464 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	465 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	466 /* Open requested audio device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	467 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	468 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	469 status=snd_pcm_open(&this->hidden->audio_handle, this->hidden->cardno,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	470 this->hidden->deviceno, SND_PCM_OPEN_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	471 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	472 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	473 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	474 status=snd_pcm_open(&this->hidden->audio_handle, this->hidden->cardno,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	475 this->hidden->deviceno, SND_PCM_OPEN_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	476 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	477 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	478
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	479 /* Check if requested device is opened */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	480 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	481 {
3123 60301ed80050 Set audio device handle to NULL in case of open was not successful. Mike Gorchak <lestat@i.com.ua> parents: 3099 diff changeset	482 this->hidden->audio_handle=NULL;
3099 82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	483 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	484 QSA_SetError("snd_pcm_open", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	485 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	486 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	487
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	488 if (!QSA_CheckBuggyCards(this, QSA_MMAP_WORKAROUND))
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	489 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	490 /* Disable QSA MMAP plugin for buggy audio drivers */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	491 status=snd_pcm_plugin_set_disable(this->hidden->audio_handle, PLUGIN_DISABLE_MMAP);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	492 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	493 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	494 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	495 QSA_SetError("snd_pcm_plugin_set_disable", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	496 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	497 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	498 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	499
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	500 /* Try for a closest match on audio format */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	501 format = 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	502 /* can't use format as SND_PCM_SFMT_U8 = 0 in qsa */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	503 found = 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	504
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	505 for (test_format = SDL_FirstAudioFormat(this->spec.format); !found;)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	506 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	507 /* if match found set format to equivalent QSA format */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	508 switch (test_format)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	509 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	510 case AUDIO_U8:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	511 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	512 format=SND_PCM_SFMT_U8;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	513 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	514 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	515 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	516 case AUDIO_S8:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	517 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	518 format=SND_PCM_SFMT_S8;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	519 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	520 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	521 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	522 case AUDIO_S16LSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	523 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	524 format=SND_PCM_SFMT_S16_LE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	525 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	526 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	527 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	528 case AUDIO_S16MSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	529 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	530 format=SND_PCM_SFMT_S16_BE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	531 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	532 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	533 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	534 case AUDIO_U16LSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	535 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	536 format=SND_PCM_SFMT_U16_LE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	537 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	538 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	539 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	540 case AUDIO_U16MSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	541 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	542 format=SND_PCM_SFMT_U16_BE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	543 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	544 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	545 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	546 case AUDIO_S32LSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	547 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	548 format=SND_PCM_SFMT_S32_LE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	549 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	550 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	551 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	552 case AUDIO_S32MSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	553 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	554 format=SND_PCM_SFMT_S32_BE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	555 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	556 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	557 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	558 case AUDIO_F32LSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	559 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	560 format=SND_PCM_SFMT_FLOAT_LE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	561 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	562 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	563 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	564 case AUDIO_F32MSB:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	565 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	566 format=SND_PCM_SFMT_FLOAT_BE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	567 found=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	568 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	569 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	570 default:
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	571 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	572 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	573 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	574 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	575
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	576 if (!found)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	577 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	578 test_format = SDL_NextAudioFormat();
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	579 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	580 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	581
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	582 /* assumes test_format not 0 on success */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	583 if (test_format==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	584 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	585 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	586 SDL_SetError("QSA: Couldn't find any hardware audio formats");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	587 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	588 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	589
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	590 this->spec.format=test_format;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	591
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	592 /* Set the audio format */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	593 cparams.format.format=format;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	594
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	595 /* Set mono/stereo/4ch/6ch/8ch audio */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	596 cparams.format.voices=this->spec.channels;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	597
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	598 /* Set rate */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	599 cparams.format.rate=this->spec.freq;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	600
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	601 /* Setup the transfer parameters according to cparams */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	602 status=snd_pcm_plugin_params(this->hidden->audio_handle, &cparams);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	603 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	604 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	605 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	606 QSA_SetError("snd_pcm_channel_params", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	607 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	608 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	609
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	610 /* Make sure channel is setup right one last time */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	611 SDL_memset(&csetup, '\0', sizeof(csetup));
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	612 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	613 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	614 csetup.channel=SND_PCM_CHANNEL_PLAYBACK;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	615 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	616 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	617 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	618 csetup.channel=SND_PCM_CHANNEL_CAPTURE;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	619 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	620
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	621 /* Setup an audio channel */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	622 if (snd_pcm_plugin_setup(this->hidden->audio_handle, &csetup) < 0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	623 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	624 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	625 SDL_SetError("QSA: Unable to setup channel\n");
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	626 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	627 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	628
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	629 /* Calculate the final parameters for this audio specification */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	630 SDL_CalculateAudioSpec(&this->spec);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	631
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	632 this->hidden->pcm_len = this->spec.size;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	633
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	634 if (this->hidden->pcm_len==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	635 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	636 this->hidden->pcm_len=csetup.buf.block.frag_size * this->spec.channels *
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	637 (snd_pcm_format_width(format) / 8);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	638 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	639
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	640 /*
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	641 * Allocate memory to the audio buffer and initialize with silence
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	642 * (Note that buffer size must be a multiple of fragment size, so find
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	643 * closest multiple)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	644 */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	645 this->hidden->pcm_buf=(Uint8*)SDL_AllocAudioMem(this->hidden->pcm_len);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	646 if (this->hidden->pcm_buf==NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	647 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	648 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	649 SDL_OutOfMemory();
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	650 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	651 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	652 SDL_memset(this->hidden->pcm_buf, this->spec.silence, this->hidden->pcm_len);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	653
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	654 /* get the file descriptor */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	655 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	656 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	657 this->hidden->audio_fd=snd_pcm_file_descriptor(this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	658 SND_PCM_CHANNEL_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	659 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	660 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	661 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	662 this->hidden->audio_fd=snd_pcm_file_descriptor(this->hidden->audio_handle,
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	663 SND_PCM_CHANNEL_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	664 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	665
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	666 if (this->hidden->audio_fd<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	667 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	668 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	669 QSA_SetError("snd_pcm_file_descriptor", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	670 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	671 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	672
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	673 /* Prepare an audio channel */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	674 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	675 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	676 /* Prepare audio playback */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	677 status=snd_pcm_plugin_prepare(this->hidden->audio_handle, SND_PCM_CHANNEL_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	678 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	679 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	680 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	681 /* Prepare audio capture */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	682 status=snd_pcm_plugin_prepare(this->hidden->audio_handle, SND_PCM_CHANNEL_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	683 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	684
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	685 if (status<0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	686 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	687 QSA_CloseDevice(this);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	688 QSA_SetError("snd_pcm_plugin_prepare", status);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	689 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	690 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	691
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	692 /* We're really ready to rock and roll. :-) */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	693 return 1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	694 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	695
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	696 int QSA_DetectDevices(int iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	697 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	698 uint32_t it;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	699 uint32_t cards;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	700 uint32_t devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	701 int32_t status;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	702
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	703 /* Detect amount of available devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	704 /* this value can be changed in the runtime */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	705 cards=snd_cards();
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	706
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	707 /* If io-audio manager is not running we will get 0 as number */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	708 /* of available audio devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	709 if (cards==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	710 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	711 /* We have no any available audio devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	712 return 0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	713 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	714
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	715 /* Find requested devices by type */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	716 if (!iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	717 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	718 /* Playback devices enumeration requested */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	719 for(it=0; it<cards; it++)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	720 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	721 devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	722 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	723 status=snd_card_get_longname(it, qsa_playback_device[qsa_playback_devices].name, QSA_MAX_NAME_LENGTH);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	724 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	725 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	726 snd_pcm_t* handle;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	727
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	728 /* Add device number to device name */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	729 sprintf(qsa_playback_device[qsa_playback_devices].name + SDL_strlen(qsa_playback_device[qsa_playback_devices].name), " d%d", devices);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	730
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	731 /* Store associated card number id */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	732 qsa_playback_device[qsa_playback_devices].cardno=it;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	733
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	734 /* Check if this device id could play anything */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	735 status=snd_pcm_open(&handle, it, devices, SND_PCM_OPEN_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	736 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	737 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	738 qsa_playback_device[qsa_playback_devices].deviceno=devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	739 status=snd_pcm_close(handle);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	740 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	741 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	742 qsa_playback_devices++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	743 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	744 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	745 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	746 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	747 /* Check if we got end of devices list */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	748 if (status==-ENOENT)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	749 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	750 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	751 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	752 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	753 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	754 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	755 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	756 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	757 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	758
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	759 /* Check if we reached maximum devices count */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	760 if (qsa_playback_devices>=QSA_MAX_DEVICES)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	761 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	762 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	763 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	764 devices++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	765 } while(1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	766
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	767 /* Check if we reached maximum devices count */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	768 if (qsa_playback_devices>=QSA_MAX_DEVICES)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	769 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	770 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	771 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	772 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	773 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	774 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	775 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	776 /* Capture devices enumeration requested */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	777 for(it=0; it<cards; it++)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	778 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	779 devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	780 do {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	781 status=snd_card_get_longname(it, qsa_capture_device[qsa_capture_devices].name, QSA_MAX_NAME_LENGTH);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	782 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	783 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	784 snd_pcm_t* handle;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	785
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	786 /* Add device number to device name */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	787 sprintf(qsa_capture_device[qsa_capture_devices].name + SDL_strlen(qsa_capture_device[qsa_capture_devices].name), " d%d", devices);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	788
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	789 /* Store associated card number id */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	790 qsa_capture_device[qsa_capture_devices].cardno=it;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	791
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	792 /* Check if this device id could play anything */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	793 status=snd_pcm_open(&handle, it, devices, SND_PCM_OPEN_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	794 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	795 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	796 qsa_capture_device[qsa_capture_devices].deviceno=devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	797 status=snd_pcm_close(handle);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	798 if (status==EOK)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	799 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	800 qsa_capture_devices++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	801 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	802 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	803 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	804 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	805 /* Check if we got end of devices list */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	806 if (status==-ENOENT)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	807 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	808 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	809 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	810 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	811
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	812 /* Check if we reached maximum devices count */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	813 if (qsa_capture_devices>=QSA_MAX_DEVICES)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	814 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	815 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	816 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	817 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	818 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	819 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	820 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	821 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	822 devices++;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	823 } while(1);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	824
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	825 /* Check if we reached maximum devices count */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	826 if (qsa_capture_devices>=QSA_MAX_DEVICES)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	827 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	828 break;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	829 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	830 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	831 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	832
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	833 /* Return amount of available playback or capture devices */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	834 if (!iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	835 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	836 return qsa_playback_devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	837 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	838 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	839 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	840 return qsa_capture_devices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	841 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	842 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	843
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	844 const char* QSA_GetDeviceName(int index, int iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	845 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	846 if (!iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	847 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	848 if (index>=qsa_playback_devices)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	849 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	850 return "No such playback device";
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	851 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	852
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	853 return qsa_playback_device[index].name;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	854 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	855 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	856 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	857 if (index>=qsa_capture_devices)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	858 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	859 return "No such capture device";
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	860 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	861
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	862 return qsa_capture_device[index].name;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	863 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	864 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	865
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	866 void QSA_WaitDone(_THIS)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	867 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	868 if (!this->hidden->iscapture)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	869 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	870 if (this->hidden->audio_handle!=NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	871 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	872 /* Wait till last fragment is played and stop channel */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	873 snd_pcm_plugin_flush(this->hidden->audio_handle, SND_PCM_CHANNEL_PLAYBACK);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	874 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	875 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	876 else
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	877 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	878 if (this->hidden->audio_handle!=NULL)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	879 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	880 /* Discard all unread data and stop channel */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	881 snd_pcm_plugin_flush(this->hidden->audio_handle, SND_PCM_CHANNEL_CAPTURE);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	882 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	883 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	884 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	885
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	886 void QSA_Deinitialize(void)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	887 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	888 /* Clear devices array on shutdown */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	889 SDL_memset(qsa_playback_device, 0x00, sizeof(QSA_Device)*QSA_MAX_DEVICES);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	890 SDL_memset(qsa_capture_device, 0x00, sizeof(QSA_Device)*QSA_MAX_DEVICES);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	891 qsa_playback_devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	892 qsa_capture_devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	893 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	894
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	895 static int QSA_Init(SDL_AudioDriverImpl* impl)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	896 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	897 snd_pcm_t* handle=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	898 int32_t status=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	899
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	900 /* Clear devices array */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	901 SDL_memset(qsa_playback_device, 0x00, sizeof(QSA_Device)*QSA_MAX_DEVICES);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	902 SDL_memset(qsa_capture_device, 0x00, sizeof(QSA_Device)*QSA_MAX_DEVICES);
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	903 qsa_playback_devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	904 qsa_capture_devices=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	905
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	906 /* Set function pointers */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	907 /* DeviceLock and DeviceUnlock functions are used default, */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	908 /* provided by SDL, which uses pthread_mutex for lock/unlock */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	909 impl->DetectDevices=QSA_DetectDevices;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	910 impl->GetDeviceName=QSA_GetDeviceName;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	911 impl->OpenDevice=QSA_OpenDevice;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	912 impl->ThreadInit=QSA_ThreadInit;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	913 impl->WaitDevice=QSA_WaitDevice;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	914 impl->PlayDevice=QSA_PlayDevice;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	915 impl->GetDeviceBuf=QSA_GetDeviceBuf;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	916 impl->CloseDevice=QSA_CloseDevice;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	917 impl->WaitDone=QSA_WaitDone;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	918 impl->Deinitialize=QSA_Deinitialize;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	919 impl->LockDevice=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	920 impl->UnlockDevice=NULL;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	921
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	922 impl->OnlyHasDefaultOutputDevice=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	923 impl->ProvidesOwnCallbackThread=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	924 impl->SkipMixerLock=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	925 impl->HasCaptureSupport=1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	926 impl->OnlyHasDefaultOutputDevice=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	927 impl->OnlyHasDefaultInputDevice=0;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	928
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	929 /* Check if io-audio manager is running or not */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	930 status=snd_cards();
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	931 if (status==0)
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	932 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	933 /* if no, return immediately */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	934 return 1;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	935 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	936
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	937 /* At this point we are definitely has an audio device */
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	938 return 2;
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	939 }
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	940
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	941 AudioBootStrap QSAAUDIO_bootstrap=
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	942 {
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	943 DRIVER_NAME, "QNX QSA Audio", QSA_Init, 0
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	944 };
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	945
82e60908fab1 Date: Mon, 23 Mar 2009 09:17:24 +0200 Sam Lantinga <slouken@libsdl.org> parents: diff changeset	946 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/qsa/SDL_qsa_audio.c @ 3125:d71d8ceda8b3