gstreamer/sys/sunaudio/gstsunaudiomixeroptions.c

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/*
* GStreamer SunAudio mixer track implementation
* Copyright (C) 2009 Sun Microsystems, Inc.,
* Brian Cameron <brian.cameron@sun.com>
* Garrett D'Amore <garrett.damore@sun.com>
*
* gstsunaudiomixeroptions.c: Sun Audio mixer options object
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/audio.h>
#include <sys/mixer.h>
#include <gst/gst-i18n-plugin.h>
#include "gstsunaudiomixeroptions.h"
#include "gstsunaudiomixertrack.h"
GST_DEBUG_CATEGORY_EXTERN (sunaudio_debug);
#define GST_CAT_DEFAULT sunaudio_debug
static void gst_sunaudiomixer_options_init (GstSunAudioMixerOptions * sun_opts);
static void gst_sunaudiomixer_options_class_init (gpointer g_class,
gpointer class_data);
static GstMixerOptionsClass *parent_class = NULL;
GType
gst_sunaudiomixer_options_get_type (void)
{
static GType opts_type = 0;
if (!opts_type) {
static const GTypeInfo opts_info = {
sizeof (GstSunAudioMixerOptionsClass),
NULL,
NULL,
gst_sunaudiomixer_options_class_init,
NULL,
NULL,
sizeof (GstSunAudioMixerOptions),
0,
(GInstanceInitFunc) gst_sunaudiomixer_options_init,
};
opts_type =
g_type_register_static (GST_TYPE_MIXER_OPTIONS,
"GstSunAudioMixerOptions", &opts_info, 0);
}
return opts_type;
}
static void
gst_sunaudiomixer_options_class_init (gpointer g_class, gpointer class_data)
{
parent_class = g_type_class_peek_parent (g_class);
}
static void
gst_sunaudiomixer_options_init (GstSunAudioMixerOptions * sun_opts)
{
}
GstMixerOptions *
gst_sunaudiomixer_options_new (GstSunAudioMixerCtrl * mixer, gint track_num)
{
GstMixerOptions *opts;
GstSunAudioMixerOptions *sun_opts;
GstMixerTrack *track;
const gchar *label;
gint i;
struct audio_info audioinfo;
if ((mixer == NULL) || (mixer->mixer_fd == -1)) {
g_warning ("mixer not initialized");
return NULL;
}
if (track_num != GST_SUNAUDIO_TRACK_RECSRC) {
g_warning ("invalid options track");
return (NULL);
}
label = N_("Record Source");
opts = g_object_new (GST_TYPE_SUNAUDIO_MIXER_OPTIONS,
"untranslated-label", label, NULL);
sun_opts = GST_SUNAUDIO_MIXER_OPTIONS (opts);
track = GST_MIXER_TRACK (opts);
GST_DEBUG_OBJECT (opts, "New mixer options, track %d: %s",
track_num, GST_STR_NULL (label));
/* save off names for the record sources */
sun_opts->names[0] = g_quark_from_string (_("Microphone"));
sun_opts->names[1] = g_quark_from_string (_("Line In"));
sun_opts->names[2] = g_quark_from_string (_("Internal CD"));
sun_opts->names[3] = g_quark_from_string (_("SPDIF In"));
sun_opts->names[4] = g_quark_from_string (_("AUX 1 In"));
sun_opts->names[5] = g_quark_from_string (_("AUX 2 In"));
sun_opts->names[6] = g_quark_from_string (_("Codec Loopback"));
sun_opts->names[7] = g_quark_from_string (_("SunVTS Loopback"));
/* set basic information */
track->label = g_strdup (_(label));
track->num_channels = 0;
track->min_volume = 0;
track->max_volume = 0;
track->flags =
GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_WHITELIST |
GST_MIXER_TRACK_NO_RECORD;
if (ioctl (mixer->mixer_fd, AUDIO_GETINFO, &audioinfo) < 0) {
g_warning ("Error getting audio device settings");
g_object_unref (G_OBJECT (sun_opts));
return NULL;
}
sun_opts->avail = audioinfo.record.avail_ports;
sun_opts->track_num = track_num;
for (i = 0; i < 8; i++) {
if ((1 << i) & audioinfo.record.avail_ports) {
const char *s = g_quark_to_string (sun_opts->names[i]);
opts->values = g_list_append (opts->values, g_strdup (s));
GST_DEBUG_OBJECT (opts, "option for track %d: %s",
track_num, GST_STR_NULL (s));
}
}
return opts;
}