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

annotate src/audio/esd/SDL_esdaudio.c @ 3816:9d070c1a45fa SDL-ryan-multiple-audio-device

Moved AudioBootstrap section in converted drivers to bottom of source, so I could delete the predeclarations (one more thing to forget to update when changing the API, otherwise). There're a few other cleanups that snuck into this commit, too.

author	Ryan C. Gordon <icculus@icculus.org>
date	Fri, 06 Oct 2006 04:46:58 +0000
parents	3234d6eee011
children	66fb40445587

rev	line source
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	1 /*
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	3 Copyright (C) 1997-2006 Sam Lantinga
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	4
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	6 modify it under the terms of the GNU Lesser General Public
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	8 version 2.1 of the License, or (at your option) any later version.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	9
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	13 Lesser General Public License for more details.
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	14
1312 c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	15 You should have received a copy of the GNU Lesser General Public
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	16 License along with this library; if not, write to the Free Software
c9b51268668f Updated copyright information and removed rcs id lines (problematic in branch merges) Sam Lantinga <slouken@libsdl.org> parents: 864 diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	18
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	19 Sam Lantinga
252 e8157fcb3114 Updated the source with the correct e-mail address Sam Lantinga <slouken@libsdl.org> parents: 0 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1379 diff changeset	22 #include "SDL_config.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	23
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	24 /* Allow access to an ESD network stream mixing buffer */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25
1616 9f836cec0521 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	26 #include <sys/types.h>
9f836cec0521 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	27 #include <unistd.h>
9f836cec0521 * empty log message * Sam Lantinga <slouken@libsdl.org> parents: 1402 diff changeset	28 #include <signal.h>
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29 #include <errno.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	30 #include <esd.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	31
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	32 #include "SDL_timer.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33 #include "SDL_audio.h"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	34 #include "../SDL_audiomem.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	35 #include "../SDL_audio_c.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	36 #include "SDL_esdaudio.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	38 #ifdef SDL_AUDIO_DRIVER_ESD_DYNAMIC
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	39 #include "SDL_name.h"
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	40 #include "SDL_loadso.h"
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	41 #else
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	42 #define SDL_NAME(X) X
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	43 #endif
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	44
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	45 /* The tag name used by ESD audio */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	46 #define ESD_DRIVER_NAME "esd"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	47
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	48 #ifdef SDL_AUDIO_DRIVER_ESD_DYNAMIC
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	49
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	50 static const char *esd_library = SDL_AUDIO_DRIVER_ESD_DYNAMIC;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	51 static void *esd_handle = NULL;
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	52
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	53 static int (SDL_NAME(esd_open_sound)) (const char host);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	54 static int (*SDL_NAME(esd_close)) (int esd);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	55 static int (*SDL_NAME(esd_play_stream)) (esd_format_t format, int rate,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	56 const char host, const char name);
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	57
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	58 #define SDL_ESD_SYM(x) { #x, (void *) (char ) &SDL_NAME(x) }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	59 static struct
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	60 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	61 const char *name;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	62 void **func;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	63 } esd_functions[] = {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	64 SDL_ESD_SYM(esd_open_sound),
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	65 SDL_ESD_SYM(esd_close),
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	66 SDL_ESD_SYM(esd_play_stream),
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	67 };
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	68 #undef SDL_ESD_SYM
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	69
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	70 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	71 UnloadESDLibrary()
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	72 {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	73 if (esd_handle != NULL) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	74 SDL_UnloadObject(esd_handle);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	75 esd_handle = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	76 }
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	77 }
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	78
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	79 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	80 LoadESDLibrary(void)
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	81 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	82 int i, retval = -1;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	83
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	84 if (esd_handle == NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	85 esd_handle = SDL_LoadObject(esd_library);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	86 if (esd_handle) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	87 retval = 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	88 for (i = 0; i < SDL_arraysize(esd_functions); ++i) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	89 *esd_functions[i].func =
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	90 SDL_LoadFunction(esd_handle, esd_functions[i].name);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	91 if (!*esd_functions[i].func) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	92 retval = -1;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	93 UnloadESDLibrary();
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	94 break;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	95 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	96 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	97 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	98 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	99 return retval;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	100 }
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	101
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	102 #else
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	103
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	104 static void
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	105 UnloadESDLibrary()
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	106 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	107 return;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	108 }
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	109
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	110 static int
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	111 LoadESDLibrary(void)
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	112 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	113 return 0;
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	114 }
d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	115
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	116 #endif /* SDL_AUDIO_DRIVER_ESD_DYNAMIC */
294 d2d48e10f370 Added a new header file: SDL_loadso.h Sam Lantinga <slouken@libsdl.org> parents: 252 diff changeset	117
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	118 static int
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	119 ESD_Available(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	120 {
3803 3decf9cdeb63 Removed ESD cruft from the core...now the driver will use esound if there's Ryan C. Gordon <icculus@icculus.org> parents: 3798 diff changeset	121 int available = 0;
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	122 if (LoadESDLibrary() == 0) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	123 int connection;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	124 if (SDL_getenv("ESD_NO_SPAWN") == NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	125 SDL_putenv("ESD_NO_SPAWN=1"); /* Don't start ESD if it's not running */
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	126 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	127 connection = SDL_NAME(esd_open_sound) (NULL);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	128 if (connection >= 0) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	129 available = 1;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	130 SDL_NAME(esd_close) (connection);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	131 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	132 UnloadESDLibrary();
3803 3decf9cdeb63 Removed ESD cruft from the core...now the driver will use esound if there's Ryan C. Gordon <icculus@icculus.org> parents: 3798 diff changeset	133 }
3decf9cdeb63 Removed ESD cruft from the core...now the driver will use esound if there's Ryan C. Gordon <icculus@icculus.org> parents: 3798 diff changeset	134 return available;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	135 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	136
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	137
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	138 /* This function waits until it is possible to write a full sound buffer */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	139 static void
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	140 ESD_WaitDevice(_THIS)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	141 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	142 Sint32 ticks;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	143
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	144 /* Check to see if the thread-parent process is still alive */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	145 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	146 static int cnt = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	147 /* Note that this only works with thread implementations
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	148 that use a different process id for each thread.
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	149 */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	150 /* Check every 10 loops */
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	151 if (this->hidden->parent && (((++cnt) % 10) == 0)) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	152 if (kill(this->hidden->parent, 0) < 0) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	153 this->enabled = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	154 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	155 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	156 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	157
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	158 /* Use timer for general audio synchronization */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	159 ticks = ((Sint32) (this->hidden->next_frame-SDL_GetTicks())) - FUDGE_TICKS;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	160 if (ticks > 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	161 SDL_Delay(ticks);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	162 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	163 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	164
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	165 static void
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	166 ESD_PlayDevice(_THIS)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	167 {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	168 int written = 0;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	169
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	170 /* Write the audio data, checking for EAGAIN on broken audio drivers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	171 do {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	172 written = write(this->hidden->audio_fd,
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	173 this->hidden->mixbuf,
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	174 this->hidden->mixlen);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	175 if ((written < 0) && ((errno == 0) \|\| (errno == EAGAIN))) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	176 SDL_Delay(1); /* Let a little CPU time go by */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	177 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	178 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	179 while ((written < 0) &&
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	180 ((errno == 0) \|\| (errno == EAGAIN) \|\| (errno == EINTR)));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	181
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	182 /* Set the next write frame */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	183 this->hidden->next_frame += this->hidden->frame_ticks;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	184
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	185 /* If we couldn't write, assume fatal error for now */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	186 if (written < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	187 this->enabled = 0;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	188 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	189 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	190
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	191 static Uint8 *
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	192 ESD_GetDeviceBuf(_THIS)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	193 {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	194 return (this->hidden->mixbuf);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	195 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	196
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	197 static void
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	198 ESD_CloseDevice(_THIS)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	199 {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	200 if (this->hidden != NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	201 if (this->hidden->mixbuf != NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	202 SDL_FreeAudioMem(this->hidden->mixbuf);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	203 this->hidden->mixbuf = NULL;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	204 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	205 if (this->hidden->audio_fd >= 0) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	206 SDL_NAME(esd_close) (this->hidden->audio_fd);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	207 this->hidden->audio_fd = -1;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	208 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	209
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	210 SDL_free(this->hidden);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	211 this->hidden = NULL;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	212 }
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	213 UnloadESDLibrary();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	214 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	215
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	216 /* Try to get the name of the program */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	217 static char *
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	218 get_progname(void)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	219 {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	220 char *progname = NULL;
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1379 diff changeset	221 #ifdef __LINUX__
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	222 FILE *fp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	223 static char temp[BUFSIZ];
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	224
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	225 SDL_snprintf(temp, SDL_arraysize(temp), "/proc/%d/cmdline", getpid());
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	226 fp = fopen(temp, "r");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	227 if (fp != NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	228 if (fgets(temp, sizeof(temp) - 1, fp)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	229 progname = SDL_strrchr(temp, '/');
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	230 if (progname == NULL) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	231 progname = temp;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	232 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	233 progname = progname + 1;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	234 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	235 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	236 fclose(fp);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	237 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	238 #endif
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	239 return (progname);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	240 }
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	241
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	242
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	243 static int
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	244 ESD_OpenDevice(_THIS, const char *devname, int iscapture)
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	245 {
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	246 esd_format_t format = (ESD_STREAM \| ESD_PLAY);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	247 SDL_AudioFormat test_format = 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	248 int found = 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	249
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	250 /* Initialize all variables that we clean on shutdown */
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	251 this->hidden = (struct SDL_PrivateAudioData *)
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	252 SDL_malloc((sizeof *this->hidden));
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	253 if (this->hidden == NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	254 SDL_OutOfMemory();
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	255 return 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	256 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	257 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	258 this->hidden->audio_fd = -1;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	259
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	260 if (LoadESDLibrary() < 0) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	261 ESD_CloseDevice(this);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	262 SDL_SetError("ESD: failed to load library: %s", SDL_GetError());
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	263 return 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	264 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	265
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	266 /* Convert audio spec to the ESD audio format */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	267 /* Try for a closest match on audio format */
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	268 for (test_format = SDL_FirstAudioFormat(this->spec.format);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	269 !found && test_format; test_format = SDL_NextAudioFormat()) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	270 #ifdef DEBUG_AUDIO
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	271 fprintf(stderr, "Trying format 0x%4.4x\n", test_format);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	272 #endif
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	273 found = 1;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	274 switch (test_format) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	275 case AUDIO_U8:
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	276 format \|= ESD_BITS8;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	277 break;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	278 case AUDIO_S16SYS:
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	279 format \|= ESD_BITS16;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	280 break;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	281 default:
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	282 found = 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	283 break;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	284 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	285 }
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	286
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	287 if (!found) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	288 ESD_CloseDevice(this);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	289 SDL_SetError("Couldn't find any hardware audio formats");
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	290 return 0;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	291 }
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	292
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	293 if (this->spec.channels == 1) {
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	294 format \|= ESD_MONO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	295 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	296 format \|= ESD_STEREO;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	297 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	298 #if 0
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	299 this->spec.samples = ESD_BUF_SIZE; /* Darn, no way to change this yet */
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	300 #endif
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	301
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	302 /* Open a connection to the ESD audio server */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	303 this->hidden->audio_fd =
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	304 SDL_NAME(esd_play_stream)(format,this->spec.freq,NULL,get_progname());
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	305
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	306 if (this->hidden->audio_fd < 0) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	307 ESD_CloseDevice(this);
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	308 SDL_SetError("Couldn't open ESD connection");
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	309 return 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	310 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	311
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	312 /* Calculate the final parameters for this audio specification */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	313 SDL_CalculateAudioSpec(&this->spec);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	314 this->hidden->frame_ticks = (float) (this->spec.samples*1000) / this->spec.freq;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	315 this->hidden->next_frame = SDL_GetTicks() + this->hidden->frame_ticks;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	316
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	317 /* Allocate mixing buffer */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	318 this->hidden->mixlen = this->spec.size;
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	319 this->hidden->mixbuf = (Uint8 *) SDL_AllocAudioMem(this->hidden->mixlen);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	320 if (this->hidden->mixbuf == NULL) {
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	321 ESD_CloseDevice(this);
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	322 SDL_OutOfMemory();
3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	323 return 0;
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	324 }
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	325 SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	326
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	327 /* Get the parent process id (we're the parent of the audio thread) */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	328 this->hidden->parent = getpid();
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	329
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	330 /* We're ready to rock and roll. :-) */
3815 3234d6eee011 Updated esd audio driver for 1.3 API. Ryan C. Gordon <icculus@icculus.org> parents: 3809 diff changeset	331 return 1;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	332 }
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	333
3816 9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	334
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	335 static int
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	336 ESD_Init(SDL_AudioDriverImpl *impl)
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	337 {
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	338 /* Set the function pointers */
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	339 impl->OpenDevice = ESD_OpenDevice;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	340 impl->PlayDevice = ESD_PlayDevice;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	341 impl->WaitDevice = ESD_WaitDevice;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	342 impl->GetDeviceBuf = ESD_GetDeviceBuf;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	343 impl->CloseDevice = ESD_CloseDevice;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	344 impl->OnlyHasDefaultOutputDevice = 1;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	345
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	346 return 1;
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	347 }
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	348
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	349
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	350 AudioBootStrap ESD_bootstrap = {
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	351 ESD_DRIVER_NAME, "Enlightened Sound Daemon",
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	352 ESD_Available, ESD_Init, 0
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	353 };
9d070c1a45fa Moved AudioBootstrap section in converted drivers to bottom of source, so I Ryan C. Gordon <icculus@icculus.org> parents: 3815 diff changeset	354
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1616 diff changeset	355 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/esd/SDL_esdaudio.c @ 3816:9d070c1a45fa SDL-ryan-multiple-audio-device