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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* 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 *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#ifndef OPENDEV_H
#define OPENDEV_H 1
#include "rmd_types.h"
#ifdef HAVE_LIBASOUND
/**
* Try to open (alsa) sound device, with the desired parameters,
* and place the obtained ones on their place
*
* \param pcm_dev name of the device
*
* \param channels desired number of channels
* (gets modified with the acieved value)
*
* \param frequency desired frequency(gets modified with the acieved value)
*
* \param buffsize Size of buffer
*
* \param periodsize Size of a period(can be NULL)
*
* \param periodtime_us Duration of a period(can be NULL)
*
* \param hardpause Set to 1 when the device has to be stopped during pause
* and to 0 when it supports pausing
* (can be NULL)
*
* \returns snd_pcm_t handle on success, NULL on failure
*/
snd_pcm_t *rmdOpenDev(const char *pcm_dev,
unsigned int *channels,
unsigned int *frequency,
snd_pcm_uframes_t *buffsize,
snd_pcm_uframes_t *periodsize,
unsigned int *periodtime_us,
int *hardpause);
#else
/**
* Try to open (OSS) sound device, with the desired parameters.
*
*
* \param pcm_dev name of the device
*
* \param channels desired number of channels
*
* \param frequency desired frequency
*
*
* \returns file descriptor of open device,-1 on failure
*/
int rmdOpenDev(const char *pcm_dev,
unsigned int channels,
unsigned int frequency);
#endif
#endif
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