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

annotate src/audio/baudio/SDL_beaudio.cc @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device

Bunch of 1.3 audio cleanups to remove FIXMEs, get driver specific crap out of the core and into the drivers where it belongs, and push generic responsibilities out of the drivers and into the core where they belong.

author	Ryan C. Gordon <icculus@icculus.org>
date	Wed, 04 Oct 2006 19:54:23 +0000
parents	adf732f1f016
children	5f6550e5184f b225d9820ee3

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: 252 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: 252 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: 252 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: 252 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: 252 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: 252 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: 252 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: 114 diff changeset	20 slouken@libsdl.org
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	21 */
1403 376665398b25 Catch the C++ and Objective C sources too... Sam Lantinga <slouken@libsdl.org> parents: 1367 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 the audio stream on BeOS */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	25
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	26 #include <SoundPlayer.h>
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	27
1367 e440d5c488c1 Fixes for BeOS and Solaris builds Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	28 #include "../../main/beos/SDL_BeApp.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	29
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	30 extern "C"
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	31 {
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	32
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	33 #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_audio_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	35 #include "../SDL_sysaudio.h"
1367 e440d5c488c1 Fixes for BeOS and Solaris builds Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	36 #include "../../thread/beos/SDL_systhread_c.h"
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	37 #include "SDL_beaudio.h"
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	38
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	39
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	40 /* Audio driver functions */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	41 static int BE_OpenAudio(_THIS, SDL_AudioSpec * spec);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	42 static void BE_WaitAudio(_THIS);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	43 static void BE_PlayAudio(_THIS);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	44 static Uint8 *BE_GetAudioBuf(_THIS);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	45 static void BE_CloseAudio(_THIS);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	46
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	47 /* Audio driver bootstrap functions */
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	48
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	49 static int Audio_Available(void)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	50 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	51 return (1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	52 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	53
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	54 static void Audio_DeleteDevice(SDL_AudioDevice * device)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	55 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	56 SDL_free(device->hidden);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	57 SDL_free(device);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	58 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	59
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	60 static SDL_AudioDevice *Audio_CreateDevice(int devindex)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	61 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	62 SDL_AudioDevice *device;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	63
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	64 /* Initialize all variables that we clean on shutdown */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	65 device = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	66 if (device) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	67 SDL_memset(device, 0, (sizeof *device));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	68 device->hidden = (struct SDL_PrivateAudioData *)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	69 SDL_malloc((sizeof *device->hidden));
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	70 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	71 if ((device == NULL) \|\| (device->hidden == NULL)) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	72 SDL_OutOfMemory();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	73 if (device) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	74 SDL_free(device);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	75 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	76 return (0);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	77 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	78 SDL_memset(device->hidden, 0, (sizeof *device->hidden));
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	79
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	80 /* Set the function pointers */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	81 device->OpenAudio = BE_OpenAudio;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	82 device->WaitAudio = BE_WaitAudio;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	83 device->PlayAudio = BE_PlayAudio;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	84 device->GetAudioBuf = BE_GetAudioBuf;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	85 device->CloseAudio = BE_CloseAudio;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	86
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	87 device->free = Audio_DeleteDevice;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	88
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	89 return device;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	90 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	91
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	92 AudioBootStrap BAUDIO_bootstrap = {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	93 "baudio", "BeOS BSoundPlayer",
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	94 Audio_Available, Audio_CreateDevice
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	95 };
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	96
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	97 /* The BeOS callback for handling the audio 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: 1403 diff changeset	98 static void FillSound(void device, void stream, size_t len,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	99 const media_raw_audio_format & format)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	100 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	101 SDL_AudioDevice audio = (SDL_AudioDevice ) device;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	102
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	103 /* Silence the buffer, since it's ours */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	104 SDL_memset(stream, audio->spec.silence, len);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	105
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	106 /* Only do soemthing if audio is enabled */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	107 if (!audio->enabled)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	108 return;
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: 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: 1403 diff changeset	110 if (!audio->paused) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	111 if (audio->convert.needed) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	112 SDL_mutexP(audio->mixer_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	113 (*audio->spec.callback) (audio->spec.userdata,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	114 (Uint8 *) audio->convert.buf,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	115 audio->convert.len);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	116 SDL_mutexV(audio->mixer_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	117 SDL_ConvertAudio(&audio->convert);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	118 SDL_memcpy(stream, audio->convert.buf,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	119 audio->convert.len_cvt);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	120 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	121 SDL_mutexP(audio->mixer_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	122 (*audio->spec.callback) (audio->spec.userdata,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	123 (Uint8 *) stream, len);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	124 SDL_mutexV(audio->mixer_lock);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	125 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	126 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	127 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	128 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	129
74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	130 /* Dummy functions -- we don't use thread-based audio */
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	131 void BE_WaitAudio(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	132 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	133 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	134 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	135 void BE_PlayAudio(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	136 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	137 return;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	138 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	139 Uint8 *BE_GetAudioBuf(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	140 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	141 return (NULL);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	142 }
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: 1403 diff changeset	144 void BE_CloseAudio(_THIS)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 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: 1403 diff changeset	146 if (audio_obj) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	147 audio_obj->Stop();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	148 delete audio_obj;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	149 audio_obj = NULL;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	150 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	151
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	152 /* Quit the Be Application, if there's nothing left to do */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	153 SDL_QuitBeApp();
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	154 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	155
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	156 int BE_OpenAudio(_THIS, SDL_AudioSpec * spec)
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	157 {
2001 02108bfd6550 Actually, my silly logic bug was actually correct. :/ Ryan C. Gordon <icculus@icculus.org> parents: 1998 diff changeset	158 int valid_datatype = 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: 1403 diff changeset	159 media_raw_audio_format format;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	160 SDL_AudioFormat test_format = SDL_FirstAudioFormat(spec->format);
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	161
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	162 /* Parse the audio format and fill the Be raw audio format */
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	163 memset(&format, '\0', sizeof(media_raw_audio_format));
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	164 format.byte_order = B_MEDIA_LITTLE_ENDIAN;
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	165 format.frame_rate = (float) spec->freq;
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	166 format.channel_count = spec->channels; /* !!! FIXME: support > 2? */
2001 02108bfd6550 Actually, my silly logic bug was actually correct. :/ Ryan C. Gordon <icculus@icculus.org> parents: 1998 diff changeset	167 while ((!valid_datatype) && (test_format)) {
02108bfd6550 Actually, my silly logic bug was actually correct. :/ Ryan C. Gordon <icculus@icculus.org> parents: 1998 diff changeset	168 valid_datatype = 1;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	169 spec->format = test_format;
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	170 switch (test_format) {
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	171 case AUDIO_S8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	172 format.format = media_raw_audio_format::B_AUDIO_CHAR;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	173 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	174
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	175 case AUDIO_U8:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	176 format.format = media_raw_audio_format::B_AUDIO_UCHAR;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	177 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	178
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	179 case AUDIO_S16LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	180 format.format = media_raw_audio_format::B_AUDIO_SHORT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	181 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	182
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	183 case AUDIO_S16MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	184 format.format = media_raw_audio_format::B_AUDIO_SHORT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	185 format.byte_order = B_MEDIA_BIG_ENDIAN;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	186 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	187
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	188 case AUDIO_S32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	189 format.format = media_raw_audio_format::B_AUDIO_INT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	190 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	191
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	192 case AUDIO_S32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	193 format.format = media_raw_audio_format::B_AUDIO_INT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	194 format.byte_order = B_MEDIA_BIG_ENDIAN;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	195 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	196
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	197 case AUDIO_F32LSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	198 format.format = media_raw_audio_format::B_AUDIO_FLOAT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	199 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	200
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	201 case AUDIO_F32MSB:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	202 format.format = media_raw_audio_format::B_AUDIO_FLOAT;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	203 format.byte_order = B_MEDIA_BIG_ENDIAN;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	204 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	205
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	206 default:
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	207 valid_datatype = 0;
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	208 test_format = SDL_NextAudioFormat();
adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	209 break;
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	210 }
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	211 }
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	212
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	213 format.buffer_size = spec->samples;
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	214
2043 adf732f1f016 Formatting update Sam Lantinga <slouken@libsdl.org> parents: 2001 diff changeset	215 if (!valid_datatype) { /* shouldn't happen, but just in case... */
1997 46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	216 SDL_SetError("Unsupported audio format");
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	217 return (-1);
46319c67b3d7 Added int32 and float32 support (and some others!) to BeOS audio backend. Ryan C. Gordon <icculus@icculus.org> parents: 1895 diff changeset	218 }
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: 1403 diff changeset	220 /* Initialize the Be Application, if it's not already started */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	221 if (SDL_InitBeApp() < 0) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	222 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	223 }
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: 1403 diff changeset	225 /* Calculate the final parameters for this audio specification */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	226 SDL_CalculateAudioSpec(spec);
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: diff changeset	227
1895 c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	228 /* Subscribe to the audio stream (creates a new thread) */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	229 {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	230 sigset_t omask;
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	231 SDL_MaskSignals(&omask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	232 audio_obj = new BSoundPlayer(&format, "SDL Audio", FillSound,
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	233 NULL, _this);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	234 SDL_UnmaskSignals(&omask);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 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: 1403 diff changeset	236 if (audio_obj->Start() == B_NO_ERROR) {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	237 audio_obj->SetHasData(true);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	238 } else {
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	239 SDL_SetError("Unable to start Be audio");
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	240 return (-1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	241 }
0 74212992fb08 Initial revision Sam Lantinga <slouken@lokigames.com> parents: 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: 1403 diff changeset	243 /* We're running! */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	244 return (1);
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	245 }
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	246
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	247 }; /* Extern C */
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	248
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head. Sam Lantinga <slouken@libsdl.org> parents: 1403 diff changeset	249 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/baudio/SDL_beaudio.cc @ 3796:b19680c84cdf SDL-ryan-multiple-audio-device