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/////////////////////////////////////////////////////////////////////////
// $Id: soundlnx.cc,v 1.6 2002/12/24 10:12:26 vruppert Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2001 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
// This file (SOUNDLNX.CC) written and donated by Josef Drexler
#include "bochs.h"
#if (defined(linux) || defined(__FreeBSD__)) && BX_SUPPORT_SB16
#define LOG_THIS bx_sb16.
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/soundcard.h>
bx_sound_linux_c::bx_sound_linux_c(bx_sb16_c *sb16)
:bx_sound_output_c(sb16)
{
this->sb16 = sb16;
midi = NULL;
wavedevice = NULL;
wave = -1;
}
bx_sound_linux_c::~bx_sound_linux_c()
{
// nothing for now
}
int bx_sound_linux_c::waveready()
{
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::midiready()
{
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::openmidioutput(char *device)
{
if ( (device == NULL) || (strlen(device) < 1) )
return BX_SOUND_OUTPUT_ERR;
midi = fopen(device,"w");
if (midi == NULL)
{
WRITELOG( MIDILOG(2), "Couldn't open midi output device %s: %s.",
device, strerror(errno));
return BX_SOUND_OUTPUT_ERR;
}
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::sendmidicommand(int delta, int command, int length, Bit8u data[])
{
UNUSED(delta);
// BX_PANIC(("Sendmidicommand!!");
fputc(command, midi);
fwrite(data, 1, length, midi);
fflush(midi); // to start playing immediately
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::closemidioutput()
{
fclose(midi);
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::openwaveoutput(char *device)
{
int length = strlen(device) + 1;
if (wavedevice != NULL)
delete(wavedevice);
wavedevice = new char[length];
if (wavedevice == NULL)
return BX_SOUND_OUTPUT_ERR;
strncpy(wavedevice, device, length);
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::startwaveplayback(int frequency, int bits, int stereo, int format)
{
int fmt, ret;
int signeddata = format & 1;
if ( (wavedevice == NULL) || (strlen(wavedevice) < 1) )
return BX_SOUND_OUTPUT_ERR;
if (wave == -1)
wave = open(wavedevice, O_WRONLY);
else
if ( (frequency == oldfreq) &&
(bits == oldbits) &&
(stereo == oldstereo) &&
(format == oldformat) )
return BX_SOUND_OUTPUT_OK; // nothing to do
oldfreq = frequency;
oldbits = bits;
oldstereo = stereo;
oldformat = format;
if (wave == -1)
return BX_SOUND_OUTPUT_ERR;
if (bits == 16)
if (signeddata == 1)
fmt = AFMT_S16_LE;
else
fmt = AFMT_U16_LE;
else if (bits == 8)
if (signeddata == 1)
fmt = AFMT_S8;
else
fmt = AFMT_U8;
else
return BX_SOUND_OUTPUT_ERR;
// set frequency etc.
ret = ioctl(wave, SNDCTL_DSP_RESET);
if (ret != 0)
WRITELOG( WAVELOG(4), "ioctl(SNDCTL_DSP_RESET): %s", strerror(errno));
/*
ret = ioctl(wave, SNDCTL_DSP_SETFRAGMENT, &fragment);
if (ret != 0)
WRITELOG( WAVELOG(4), "ioctl(SNDCTL_DSP_SETFRAGMENT, %d): %s",
fragment, strerror(errno));
*/
ret = ioctl(wave, SNDCTL_DSP_SETFMT, &fmt);
if (ret != 0) // abort if the format is unknown, to avoid playing noise
{
WRITELOG( WAVELOG(4), "ioctl(SNDCTL_DSP_SETFMT, %d): %s",
fmt, strerror(errno));
return BX_SOUND_OUTPUT_ERR;
}
ret = ioctl(wave, SNDCTL_DSP_STEREO, &stereo);
if (ret != 0)
WRITELOG( WAVELOG(4), "ioctl(SNDCTL_DSP_STEREO, %d): %s",
stereo, strerror(errno));
ret = ioctl(wave, SNDCTL_DSP_SPEED, &frequency);
if (ret != 0)
WRITELOG( WAVELOG(4), "ioctl(SNDCTL_DSP_SPEED, %d): %s",
frequency, strerror(errno));
// ioctl(wave, SNDCTL_DSP_GETBLKSIZE, &fragment);
// WRITELOG( WAVELOG(4), "current output block size is %d", fragment);
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::sendwavepacket(int length, Bit8u data[])
{
int ret;
ret = write(wave, data, length);
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::stopwaveplayback()
{
// ioctl(wave, SNDCTL_DSP_SYNC);
// close(wave);
// wave = -1;
return BX_SOUND_OUTPUT_OK;
}
int bx_sound_linux_c::closewaveoutput()
{
if (wavedevice != NULL)
delete(wavedevice);
if (wave != -1)
{
close(wave);
wave = -1;
}
wavedevice = NULL;
return BX_SOUND_OUTPUT_OK;
}
#endif // defined(linux)
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