mirror of https://github.com/sm64pc/sm64pc.git
109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
/*
|
|
Audio File Library
|
|
|
|
Copyright 1998-1999, Michael Pruett <michael@68k.org>
|
|
|
|
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.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
/*
|
|
sgi.c
|
|
|
|
These routines are used in SGI-specific test programs.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include <audiofile.h>
|
|
|
|
#include <dmedia/audio.h>
|
|
|
|
/*
|
|
Set the sample width of an audio configuration.
|
|
*/
|
|
void setwidth (ALconfig config, int sampleWidth)
|
|
{
|
|
if (sampleWidth <= 8)
|
|
{
|
|
printf("setting width to 8\n");
|
|
alSetWidth(config, AL_SAMPLE_8);
|
|
}
|
|
else if (sampleWidth <= 16)
|
|
{
|
|
printf("setting width to 16\n");
|
|
alSetWidth(config, AL_SAMPLE_16);
|
|
}
|
|
else if (sampleWidth <= 24)
|
|
{
|
|
printf("setting width to 24\n");
|
|
alSetWidth(config, AL_SAMPLE_24);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Set the sample format of an audio configuration.
|
|
*/
|
|
void setsampleformat (ALconfig config, int audioFileSampleFormat)
|
|
{
|
|
if (audioFileSampleFormat == AF_SAMPFMT_TWOSCOMP)
|
|
{
|
|
printf("setting sample format to 2's complement\n");
|
|
alSetSampFmt(config, AL_SAMPFMT_TWOSCOMP);
|
|
}
|
|
else if (audioFileSampleFormat == AF_SAMPFMT_FLOAT)
|
|
{
|
|
printf("setting sample format to float\n");
|
|
alSetSampFmt(config, AL_SAMPFMT_FLOAT);
|
|
}
|
|
else if (audioFileSampleFormat == AF_SAMPFMT_DOUBLE)
|
|
{
|
|
printf("setting sample format to double\n");
|
|
alSetSampFmt(config, AL_SAMPFMT_DOUBLE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Set the sample rate of an audio port.
|
|
*/
|
|
void setrate (ALport port, double rate)
|
|
{
|
|
int rv;
|
|
ALpv params;
|
|
|
|
rv = alGetResource(port);
|
|
|
|
params.param = AL_RATE;
|
|
params.value.ll = alDoubleToFixed(rate);
|
|
|
|
if (alSetParams(rv, ¶ms, 1) < 0)
|
|
{
|
|
printf("alSetParams failed: %s\n", alGetErrorString(oserror()));
|
|
}
|
|
}
|
|
|
|
/*
|
|
Wait until the audio port has no more samples to play.
|
|
*/
|
|
void waitport (ALport port)
|
|
{
|
|
while (alGetFilled(port) > 0)
|
|
sginap(1);
|
|
}
|