sndfile-play.h

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/*
mcv: adapted from sndfile-play.c, that is an example available in libsndfile library for play wav files.
*/


/*
** Copyright (C) 1999-2004 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** 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.
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>

#include "defaults.h"

#if HAVE_ALSA_ASOUNDLIB_H
        #define ALSA_PCM_NEW_HW_PARAMS_API
        #define ALSA_PCM_NEW_SW_PARAMS_API
        #include <alsa/asoundlib.h>
        #include <sys/time.h>
#endif

#if defined (__linux__)
        #include        <fcntl.h>
        #include        <sys/ioctl.h>
        #include        <sys/soundcard.h>
#endif

#include        <sndfile.h>

#define SIGNED_SIZEOF(x)        ((int) sizeof (x))
#define _BUFFER_LEN                     (2048)

void sndfile_play (char *file); //mcv

/*------------------------------------------------------------------------------
**      Linux/OSS functions for playing a sound.
*/

#if HAVE_ALSA_ASOUNDLIB_H
  static snd_pcm_t * alsa_open (int channels, int srate) ;
  static int alsa_write_float (snd_pcm_t *alsa_dev, float *data, int frames, int channels) ;
  //mcv: static void alsa_play (int argc, char *argv []);
  static void alsa_play (char *file);
  static snd_pcm_t *alsa_open (int channels, int samplerate);
  static int alsa_write_float (snd_pcm_t *alsa_dev, float *data, int frames, int channels);
#endif /* HAVE_ALSA_ASOUNDLIB_H */


/*------------------------------------------------------------------------------
**      Linux/OSS functions for playing a sound.
*/
#if defined (__linux__)

  static int linux_open_dsp_device (int channels, int srate) ;
  //mcv: static void linux_play (int argc, char *argv []);
  static void linux_play (char *file);
  static int linux_open_dsp_device (int channels, int srate);
  
#endif /* __linux__ */

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