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/* sqUnixSound.c -- sound support for various Unix sound systems
*
* Author: Ian.Piumarta@inria.fr
*
* Last edited: 2008-04-21 11:43:42 by piumarta on emilia
*
* Copyright (C) 1996-2004 by Ian Piumarta and other authors/contributors
* listed elsewhere in this file.
* All rights reserved.
*
* This file is part of Unix Squeak.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* NOTE: The real sound support code is in one of the following files according
* to the output driver selected by `configure':
*
* sqUnixSoundOSS.c (Open Sound System [incl. Linux native & ALSA compat])
* sqUnixSoundNAS.c (Network Audio System)
* sqUnixSoundSun.c (SunOS/Solaris)
* sqUnixSoundMacOSX.c (Mac OS 10 CoreAudio)
* sqUnixSoundNull.c (sound disabled)
*/
#include "sq.h"
#include "SoundPlugin.h"
#include "SqModule.h"
#include "SqSound.h"
extern sqInt snd_Stop(void);
/*** module initialisation/shutdown ***/
extern struct SqModule *soundModule;
extern struct SqModule *loadModule(char *type, char *name);
static struct SqSound *snd= 0;
sqInt soundInit(void)
{
if (!soundModule
# if 0
&& !(soundModule= getenv("SQUEAK_SOUND_OSS") ? loadModule("sound", "OSS") : 0)
&& !(soundModule= getenv("SQUEAK_SOUND_NAS") ? loadModule("sound", "NAS") : 0)
&& !(soundModule= getenv("SQUEAK_SOUND_SUN") ? loadModule("sound", "Sun") : 0)
&& !(soundModule= getenv("SQUEAK_SOUND_MACOSX") ? loadModule("sound", "MacOSX") : 0)
&& !(soundModule= getenv("AUDIOSERVER") ? loadModule("sound", "NAS") : 0)
&& !(soundModule= loadModule("sound", "OSS"))
&& !(soundModule= loadModule("sound", "Sun"))
&& !(soundModule= loadModule("sound", "MacOSX"))
&& !(soundModule= loadModule("sound", "null"))
# endif
)
{
fprintf(stderr, "could not find any sound module\n");
abort();
}
//printf("soundModule %p %s\n", soundModule, soundModule->name);
snd= (struct SqSound *)soundModule->makeInterface();
if (SqSoundVersion != snd->version)
{
fprintf(stderr, "module %s interface version %x does not have required version %x\n",
soundModule->name, snd->version, SqSoundVersion);
abort();
}
return 1;
}
sqInt soundShutdown(void)
{
if (snd) snd->snd_Stop();
return 1;
}
/* output */
sqInt snd_AvailableSpace(void)
{
return snd->snd_AvailableSpace();
}
sqInt snd_InsertSamplesFromLeadTime(sqInt frameCount, void *srcBufPtr, sqInt samplesOfLeadTime)
{
return snd->snd_InsertSamplesFromLeadTime(frameCount, srcBufPtr, samplesOfLeadTime);
}
sqInt snd_PlaySamplesFromAtLength(sqInt frameCount, void *srcBufPtr, sqInt startIndex)
{
return snd->snd_PlaySamplesFromAtLength(frameCount, srcBufPtr, startIndex);
}
sqInt snd_PlaySilence(void)
{
return snd->snd_PlaySilence();
}
sqInt snd_Start(sqInt frameCount, sqInt samplesPerSec, sqInt stereo, sqInt semaIndex)
{
return snd->snd_Start(frameCount, samplesPerSec, stereo, semaIndex);
}
sqInt snd_Stop(void)
{
return snd->snd_Stop();
}
/* input */
sqInt snd_StartRecording(sqInt desiredSamplesPerSec, sqInt stereo, sqInt semaIndex)
{
return snd->snd_StartRecording(desiredSamplesPerSec, stereo, semaIndex);
}
sqInt snd_StopRecording(void)
{
return snd->snd_StopRecording();
}
double snd_GetRecordingSampleRate(void)
{
return snd->snd_GetRecordingSampleRate();
}
sqInt snd_RecordSamplesIntoAtLength(void *buf, sqInt startSliceIndex, sqInt bufferSizeInBytes)
{
return snd->snd_RecordSamplesIntoAtLength(buf, startSliceIndex, bufferSizeInBytes);
}
/* mixer */
void snd_Volume(double *left, double *right) { snd->snd_Volume(left, right); }
void snd_SetVolume(double left, double right) { snd->snd_SetVolume(left, right); }
void snd_SetRecordLevel(sqInt level) { snd->snd_SetRecordLevel(level); }
sqInt snd_GetSwitch(sqInt id, sqInt captureFlag, sqInt channel) { return snd->snd_GetSwitch(id, captureFlag, channel); }
sqInt snd_SetSwitch(sqInt id, sqInt captureFlag, sqInt parameter) { return snd->snd_SetSwitch(id, captureFlag, parameter); }
sqInt snd_SetDevice(sqInt id, char *name) { return snd->snd_SetDevice(id, name); }
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