Supermodel/Src/Sound/MPEG/rtbuf.h

92 lines
2.7 KiB
C

/**
** Supermodel
** A Sega Model 3 Arcade Emulator.
** Copyright 2011 Bart Trzynadlowski, Nik Henson
**
** This file is part of Supermodel.
**
** Supermodel 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 3 of the License, or (at your option)
** any later version.
**
** Supermodel 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 Supermodel. If not, see <http://www.gnu.org/licenses/>.
**/
/*
* rtbuf.h
*
* Amp library internal header file.
*/
/*****************************************************************************/
/*
* rtbuf.h -- Linux realtime audio output.
*
* Copyright (C) 1996 Thomas Sailer (sailer@ife.ee.ethz.ch)
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* This is the Linux realtime sound output driver
*/
/*****************************************************************************/
#include "config.h"
#ifndef HAVE_MLOCKALL
#undef LINUX_REALTIME
#endif
#ifndef HAVE_SCHED_SETSCHEDULER
#undef LINUX_REALTIME
#endif
#if 0
#ifndef _POSIX_MEMLOCK
#undef LINUX_REALTIME
#endif
#ifndef _POSIX_PRIORITY_SCHEDULING
#undef LINUX_REALTIME
#endif
#endif
#ifdef LINUX_REALTIME
int prefetch_get_input(unsigned char *bp, int bytes);
int rt_play(char *file);
void rt_printout(short *sbuf, int ln);
int setup_fancy_audio(struct AUDIO_HEADER *mpegheader);
int start_fancy_audio(struct AUDIO_HEADER *mpegheader);
int stop_fancy_audio(void);
int block_fancy_audio(int snd_eof);
int ready_fancy_audio(void);
void cleanup_fancy_audio(void);
void prefetch_initial_fill(void);
int set_realtime_priority(void);
#endif /* LINUX_REALTIME */