sys/sunaudio/gstsunaudiomixertrack.c

   1 /*
   2  * GStreamer
   3  * Copyright (C) 2005,2008, 2009 Sun Microsystems, Inc.,
   4  *               Brian Cameron <brian.cameron@sun.com>
   5  * Copyright (C) 2009 Sun Microsystems, Inc.,
   6  *               Garrett D'Amore <garrett.damore@sun.com>
   7  *
   8  * gstsunaudiomixer.c: mixer interface implementation for OSS
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Library General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Library General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Library General Public
  21  * License along with this library; if not, write to the
  22  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23  * Boston, MA 02111-1307, USA.
  24  */
  25
  26 #ifdef HAVE_CONFIG_H
  27 #include "config.h"
  28 #endif
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <fcntl.h>
  33 #include <unistd.h>
  34 #include <string.h>
  35 #include <errno.h>
  36 #include <sys/ioctl.h>
  37 #include <sys/audioio.h>
  38
  39 #include <gst/gst-i18n-plugin.h>
  40
  41 #include "gstsunaudiomixertrack.h"
  42
  43 #define MASK_BIT_IS_SET(mask, bit) \
  44   (mask & (1 << bit))
  45
  46 G_DEFINE_TYPE (GstSunAudioMixerTrack, gst_sunaudiomixer_track,
  47     GST_TYPE_MIXER_TRACK)
  48
  49      static void
  50          gst_sunaudiomixer_track_class_init (GstSunAudioMixerTrackClass * klass)
  51 {
  52   /* nop */
  53 }
  54
  55 static void
  56 gst_sunaudiomixer_track_init (GstSunAudioMixerTrack * track)
  57 {
  58   track->gain = 0;
  59   track->balance = AUDIO_MID_BALANCE;
  60   track->track_num = 0;
  61 }
  62
  63 GstMixerTrack *
  64 gst_sunaudiomixer_track_new (GstSunAudioTrackType track_num)
  65 {
  66   const gchar *labels[] = { N_("Volume"),
  67     N_("Gain"),
  68     N_("Monitor"),
  69     N_("Built-in Speaker"),
  70     N_("Headphone"),
  71     N_("Line Out"),
  72     N_("SPDIF Out"),
  73     N_("AUX 1 Out"),
  74     N_("AUX 2 Out"),
  75   };
  76
  77
  78   GstSunAudioMixerTrack *sunaudiotrack;
  79   GstMixerTrack *track;
  80   GObjectClass *klass;
  81   const gchar *untranslated_label;
  82
  83   if ((guint) track_num < G_N_ELEMENTS (labels))
  84     untranslated_label = labels[track_num];
  85   else
  86     untranslated_label = NULL;
  87
  88   /* FIXME: remove this check once we depend on -base >= 0.10.12.1 */
  89   klass = G_OBJECT_CLASS (g_type_class_ref (GST_TYPE_SUNAUDIO_MIXER_TRACK));
  90   if (g_object_class_find_property (klass, "untranslated-label")) {
  91     sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK,
  92         "untranslated-label", untranslated_label, NULL);
  93   } else {
  94     sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK, NULL);
  95   }
  96   g_type_class_unref (klass);
  97
  98   switch (track_num) {
  99     case GST_SUNAUDIO_TRACK_OUTPUT:
 100       /* these are sliders */
 101       track = GST_MIXER_TRACK (sunaudiotrack);
 102       track->label = g_strdup (_(untranslated_label));
 103       track->num_channels = 2;
 104       track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST |
 105           GST_MIXER_TRACK_MASTER;
 106       track->min_volume = 0;
 107       track->max_volume = 255;
 108       sunaudiotrack->track_num = track_num;
 109       sunaudiotrack->gain = (0 & 0xff);
 110       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 111       break;
 112     case GST_SUNAUDIO_TRACK_RECORD:
 113       /* these are sliders */
 114       track = GST_MIXER_TRACK (sunaudiotrack);
 115       track->label = g_strdup (_(untranslated_label));
 116       track->num_channels = 2;
 117       track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD |
 118           GST_MIXER_TRACK_WHITELIST;
 119       track->min_volume = 0;
 120       track->max_volume = 255;
 121       sunaudiotrack->track_num = track_num;
 122       sunaudiotrack->gain = (0 & 0xff);
 123       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 124       break;
 125     case GST_SUNAUDIO_TRACK_MONITOR:
 126       /* these are sliders */
 127       track = GST_MIXER_TRACK (sunaudiotrack);
 128       track->label = g_strdup (_(untranslated_label));
 129       track->num_channels = 2;
 130       track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD;
 131       track->min_volume = 0;
 132       track->max_volume = 255;
 133       sunaudiotrack->track_num = track_num;
 134       sunaudiotrack->gain = (0 & 0xff);
 135       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 136       break;
 137     case GST_SUNAUDIO_TRACK_SPEAKER:
 138     case GST_SUNAUDIO_TRACK_HP:
 139     case GST_SUNAUDIO_TRACK_LINEOUT:
 140     case GST_SUNAUDIO_TRACK_SPDIFOUT:
 141     case GST_SUNAUDIO_TRACK_AUX1OUT:
 142     case GST_SUNAUDIO_TRACK_AUX2OUT:
 143       /* these are switches */
 144       track = GST_MIXER_TRACK (sunaudiotrack);
 145       track->label = g_strdup (_(untranslated_label));
 146       track->num_channels = 0;
 147       track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST;
 148       track->min_volume = 0;
 149       track->max_volume = 255;
 150       sunaudiotrack->track_num = track_num;
 151       sunaudiotrack->gain = (0 & 0xff);
 152       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 153       break;
 154     default:
 155       g_warning ("Unknown sun audio track num %d", track_num);
 156       track = NULL;
 157   }
 158
 159   return track;
 160 }