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/*
* GStreamer
* Copyright (C) 2005,2008, 2009 Sun Microsystems, Inc.,
* Brian Cameron <brian.cameron@sun.com>
* Copyright (C) 2009 Sun Microsystems, Inc.,
* Garrett D'Amore <garrett.damore@sun.com>
*
* gstsunaudiomixer.c: mixer interface implementation for OSS
*
* 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/audioio.h>
#include <gst/gst-i18n-plugin.h>
#include "gstsunaudiomixertrack.h"
GST_DEBUG_CATEGORY_EXTERN (sunaudio_debug);
#define GST_CAT_DEFAULT sunaudio_debug
#define MASK_BIT_IS_SET(mask, bit) \
(mask & (1 << bit))
G_DEFINE_TYPE (GstSunAudioMixerTrack, gst_sunaudiomixer_track,
GST_TYPE_MIXER_TRACK);
static void
gst_sunaudiomixer_track_class_init (GstSunAudioMixerTrackClass * klass)
{
/* nop */
}
static void
gst_sunaudiomixer_track_init (GstSunAudioMixerTrack * track)
{
track->gain = 0;
track->balance = AUDIO_MID_BALANCE;
track->track_num = 0;
}
GstMixerTrack *
gst_sunaudiomixer_track_new (GstSunAudioTrackType track_num)
{
const gchar *labels[] = { N_("Volume"),
N_("Gain"),
N_("Monitor"),
N_("Built-in Speaker"),
N_("Headphone"),
N_("Line Out"),
N_("SPDIF Out"),
N_("AUX 1 Out"),
N_("AUX 2 Out"),
};
GstSunAudioMixerTrack *sunaudiotrack;
GstMixerTrack *track;
const gchar *untranslated_label;
if ((guint) track_num < G_N_ELEMENTS (labels))
untranslated_label = labels[track_num];
else
untranslated_label = NULL;
sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK,
"untranslated-label", untranslated_label, NULL);
GST_DEBUG_OBJECT (sunaudiotrack, "Creating new mixer track of type %d: %s",
track_num, GST_STR_NULL (untranslated_label));
switch (track_num) {
case GST_SUNAUDIO_TRACK_OUTPUT:
/* these are sliders */
track = GST_MIXER_TRACK (sunaudiotrack);
track->label = g_strdup (_(untranslated_label));
track->num_channels = 2;
track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST |
GST_MIXER_TRACK_MASTER;
track->min_volume = 0;
track->max_volume = 255;
sunaudiotrack->track_num = track_num;
sunaudiotrack->gain = (0 & 0xff);
sunaudiotrack->balance = AUDIO_MID_BALANCE;
break;
case GST_SUNAUDIO_TRACK_RECORD:
/* these are sliders */
track = GST_MIXER_TRACK (sunaudiotrack);
track->label = g_strdup (_(untranslated_label));
track->num_channels = 2;
track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD |
GST_MIXER_TRACK_WHITELIST;
track->min_volume = 0;
track->max_volume = 255;
sunaudiotrack->track_num = track_num;
sunaudiotrack->gain = (0 & 0xff);
sunaudiotrack->balance = AUDIO_MID_BALANCE;
break;
case GST_SUNAUDIO_TRACK_MONITOR:
/* these are sliders */
track = GST_MIXER_TRACK (sunaudiotrack);
track->label = g_strdup (_(untranslated_label));
track->num_channels = 2;
track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD;
track->min_volume = 0;
track->max_volume = 255;
sunaudiotrack->track_num = track_num;
sunaudiotrack->gain = (0 & 0xff);
sunaudiotrack->balance = AUDIO_MID_BALANCE;
break;
case GST_SUNAUDIO_TRACK_SPEAKER:
case GST_SUNAUDIO_TRACK_HP:
case GST_SUNAUDIO_TRACK_LINEOUT:
case GST_SUNAUDIO_TRACK_SPDIFOUT:
case GST_SUNAUDIO_TRACK_AUX1OUT:
case GST_SUNAUDIO_TRACK_AUX2OUT:
/* these are switches */
track = GST_MIXER_TRACK (sunaudiotrack);
track->label = g_strdup (_(untranslated_label));
track->num_channels = 0;
track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST;
track->min_volume = 0;
track->max_volume = 255;
sunaudiotrack->track_num = track_num;
sunaudiotrack->gain = (0 & 0xff);
sunaudiotrack->balance = AUDIO_MID_BALANCE;
break;
default:
g_warning ("Unknown sun audio track num %d", track_num);
track = NULL;
}
return track;
}
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