Update of /cvsroot/alsa/alsa-lib/src/simple_mixer
In directory sc8-pr-cvs1:/tmp/cvs-serv7118/src/simple_mixer
Added Files:
.cvsignore Makefile.am simple_mixer.c
Log Message:
Added simple_mixer and simple_pcm subdirs with some 'empty' code
--- NEW FILE: .cvsignore ---
.deps
.libs
Makefile
Makefile.in
*.la
*.lo
--- NEW FILE: Makefile.am ---
SUBDIRS =
DIST_SUBDIRS =
EXTRA_LTLIBRARIES = libsimplemixer.la
libsimplemixer_la_SOURCES = simple_mixer.c
noinst_HEADERS =
alsadir = $(datadir)/alsa
all: libsimplemixer.la
INCLUDES=-I$(top_srcdir)/include
--- NEW FILE: simple_mixer.c ---
/**
* \file simple_mixer/simple_mixer.c
* \ingroup Mixer_simple
* \brief Simple mixer interface
* \author Jaroslav Kysela <[EMAIL PROTECTED]>
* \date 2003
*
* Simple mixer interface is a high level abtraction for soundcard's
* mixing.
*
* See the \ref Mixer_simple page for more details.
*/
/*
* Simple Mixer Interface - main file
* Copyright (c) 2003 by Jaroslav Kysela <[EMAIL PROTECTED]>
*
* 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 2.1 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 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
*
*/
/*! \page Mixer_simple Simple mixer interface
<P>Write something here</P>
\section Mixer_simple_overview
Write something here
*/
/**
* \example ../test/simple_mixer.c
* \anchor example_simple_mixer
*/
#include <stdio.h>
#include <string.h>
#include <malloc.h>
#include <stdarg.h>
#include <signal.h>
#include <dlfcn.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <sys/shm.h>
#include <sys/mman.h>
#include <limits.h>
#include "local.h"
#include "mixer_simple.h"
struct snds_mixer {
snd_mixer_t *mixer;
};
/**
* \brief Opens a simple mixer instance
* \param pmixer Returned simple mixer handle
* \param playback_name ASCII identifier of the simple mixer handle (playback controls)
* \param capture_name ASCII identifier of the simple mixer handle (capture controls)
* \param lconf Local configuration (might be NULL - use global configuration)
* \return 0 on success otherwise a negative error code
*/
int snds_mixer_open(snds_mixer_t **pmixer,
const char *playback_name,
const char *capture_name,
snd_config_t *lconf)
{
*pmixer = NULL;
return -ENODEV;
}
/**
* \brief Closes a simple mixer instance
* \param mixer Simple mixer handle to close
* \return 0 on success otherwise a negative error code
*/
int snds_mixer_close(snds_mixer_t *mixer)
{
return -ENODEV;
}
/**
* \brief get count of poll descriptors for simple mixer handle
* \param mixer simple mixer handle
* \return count of poll descriptors
*/
int snds_mixer_poll_descriptors_count(snds_mixer_t *mixer)
{
return snd_mixer_poll_descriptors_count(mixer->mixer);
}
/**
* \brief get poll descriptors
* \param mixer simple mixer handle
* \param pfds array of poll descriptors
* \param space space in the poll descriptor array
* \return count of filled descriptors
*/
int snds_mixer_poll_descriptors(snds_mixer_t *mixer, struct pollfd *pfds, unsigned int
space)
{
return snd_mixer_poll_descriptors(mixer->mixer, pfds, space);
}
/**
* \brief get returned events from poll descriptors
* \param mixer simple mixer handle
* \param pfds array of poll descriptors
* \param nfds count of poll descriptors
* \param revents returned events
* \return zero if success, otherwise a negative error code
*/
int snds_mixer_poll_descriptors_revents(snds_mixer_t *mixer, struct pollfd *pfds,
unsigned int nfds, unsigned short *revents)
{
return snd_mixer_poll_descriptors_revents(mixer->mixer, pfds, nfds, revents);
}
/**
* \brief get simple mixer io control value
* \param mixer simple mixer handle
* \param type io type
* \param val returned value
* \return zero if success, otherwise a negative error code
*/
int snds_mixer_io_get(snds_mixer_t *mixer, enum snds_mixer_io_type type, int *val)
{
return -ENODEV;
}
/**
* \brief set simple mixer io control value
* \param mixer simple mixer handle
* \param type io type
* \param val desired value
* \return zero if success, otherwise a negative error code
*/
int snds_mixer_io_set(snds_mixer_t *mixer, enum snds_mixer_io_type type, int val)
{
return -ENODEV;
}
/**
* \brief get simple mixer io control change notification
* \param mixer simple mixer handle
* \param changed list of changed io types
* \param changed_array_size size of list of changed io types
* \return zero if success, otherwise a negative error code
*/
int snds_mixer_io_change(snds_mixer_t *mixer, enum snds_mixer_io_type *changed, int
changed_array_size)
{
return -ENODEV;
}
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