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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* Audio Core API (derived from OpenAL)
*/
#include <stdio.h>
#include <stdlib.h>
#include "audiocore.h"
#include "sound.h"
#include "libs/log.h"
static audio_Driver audiodrv;
/* The globals that control the sound drivers. */
int snddriver, soundflags;
volatile bool audio_inited = false;
/*
* Declarations for driver init funcs
*/
#ifdef HAVE_OPENAL
sint32 openAL_Init (audio_Driver *driver, sint32 flags);
#endif
sint32 mixSDL_Init (audio_Driver *driver, sint32 flags);
sint32 noSound_Init (audio_Driver *driver, sint32 flags);
/*
* Initialization
*/
sint32
initAudio (sint32 driver, sint32 flags)
{
sint32 ret;
#ifdef HAVE_OPENAL
if (driver == audio_DRIVER_MIXSDL)
ret = mixSDL_Init (&audiodrv, flags);
else if (driver == audio_DRIVER_OPENAL)
ret = openAL_Init (&audiodrv, flags);
else
ret = noSound_Init (&audiodrv, flags);
#else
if (driver == audio_DRIVER_OPENAL)
{
log_add (log_Warning, "OpenAL driver not compiled in, so using MixSDL");
driver = audio_DRIVER_MIXSDL;
}
if (driver == audio_DRIVER_MIXSDL)
ret = mixSDL_Init (&audiodrv, flags);
else
ret = noSound_Init (&audiodrv, flags);
#endif
if (ret != 0)
{
log_add (log_Fatal, "Sound driver initialization failed.\n"
"This may happen when a soundcard is "
"not present or not available.\n"
"NOTICE: Try running UQM with '--sound=none' option");
exit (EXIT_FAILURE);
}
SetSFXVolume (sfxVolumeScale);
SetSpeechVolume (speechVolumeScale);
SetMusicVolume (musicVolume);
audio_inited = true;
return ret;
}
void
unInitAudio (void)
{
if (!audio_inited)
return;
audio_inited = false;
audiodrv.Uninitialize ();
}
/*
* General
*/
sint32
audio_GetError (void)
{
return audiodrv.GetError ();
}
/*
* Sources
*/
void
audio_GenSources (uint32 n, audio_Object *psrcobj)
{
audiodrv.GenSources (n, psrcobj);
}
void
audio_DeleteSources (uint32 n, audio_Object *psrcobj)
{
audiodrv.DeleteSources (n, psrcobj);
}
bool
audio_IsSource (audio_Object srcobj)
{
return audiodrv.IsSource (srcobj);
}
void
audio_Sourcei (audio_Object srcobj, audio_SourceProp pname,
audio_IntVal value)
{
audiodrv.Sourcei (srcobj, audiodrv.EnumLookup[pname], value);
}
void
audio_Sourcef (audio_Object srcobj, audio_SourceProp pname,
float value)
{
audiodrv.Sourcef (srcobj, audiodrv.EnumLookup[pname], value);
}
void
audio_Sourcefv (audio_Object srcobj, audio_SourceProp pname,
float *value)
{
audiodrv.Sourcefv (srcobj, audiodrv.EnumLookup[pname], value);
}
void
audio_GetSourcei (audio_Object srcobj, audio_SourceProp pname,
audio_IntVal *value)
{
audiodrv.GetSourcei (srcobj, audiodrv.EnumLookup[pname], value);
}
void
audio_GetSourcef (audio_Object srcobj, audio_SourceProp pname,
float *value)
{
audiodrv.GetSourcef (srcobj, audiodrv.EnumLookup[pname], value);
}
void
audio_SourceRewind (audio_Object srcobj)
{
audiodrv.SourceRewind (srcobj);
}
void
audio_SourcePlay (audio_Object srcobj)
{
audiodrv.SourcePlay (srcobj);
}
void
audio_SourcePause (audio_Object srcobj)
{
audiodrv.SourcePause (srcobj);
}
void
audio_SourceStop (audio_Object srcobj)
{
audiodrv.SourceStop (srcobj);
}
void
audio_SourceQueueBuffers (audio_Object srcobj, uint32 n,
audio_Object* pbufobj)
{
audiodrv.SourceQueueBuffers (srcobj, n, pbufobj);
}
void
audio_SourceUnqueueBuffers (audio_Object srcobj, uint32 n,
audio_Object* pbufobj)
{
audiodrv.SourceUnqueueBuffers (srcobj, n, pbufobj);
}
/*
* Buffers
*/
void
audio_GenBuffers (uint32 n, audio_Object *pbufobj)
{
audiodrv.GenBuffers (n, pbufobj);
}
void
audio_DeleteBuffers (uint32 n, audio_Object *pbufobj)
{
audiodrv.DeleteBuffers (n, pbufobj);
}
bool
audio_IsBuffer (audio_Object bufobj)
{
return audiodrv.IsBuffer (bufobj);
}
void
audio_GetBufferi (audio_Object bufobj, audio_BufferProp pname,
audio_IntVal *value)
{
audiodrv.GetBufferi (bufobj, audiodrv.EnumLookup[pname], value);
}
void
audio_BufferData (audio_Object bufobj, uint32 format, void* data,
uint32 size, uint32 freq)
{
audiodrv.BufferData (bufobj, audiodrv.EnumLookup[format], data, size,
freq);
}
bool
audio_GetFormatInfo (uint32 format, int *channels, int *sample_size)
{
switch (format)
{
case audio_FORMAT_MONO8:
*channels = 1;
*sample_size = sizeof (uint8);
return true;
case audio_FORMAT_STEREO8:
*channels = 2;
*sample_size = sizeof (uint8);
return true;
case audio_FORMAT_MONO16:
*channels = 1;
*sample_size = sizeof (sint16);
return true;
case audio_FORMAT_STEREO16:
*channels = 2;
*sample_size = sizeof (sint16);
return true;
}
return false;
}
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