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 GST_DEBUG_CATEGORY_EXTERN (sunaudio_debug);
  44 #define GST_CAT_DEFAULT sunaudio_debug
  45
  46 #define MASK_BIT_IS_SET(mask, bit) \
  47   (mask & (1 << bit))
  48
  49 G_DEFINE_TYPE (GstSunAudioMixerTrack, gst_sunaudiomixer_track,
  50     GST_TYPE_MIXER_TRACK);
  51
  52 static void
  53 gst_sunaudiomixer_track_class_init (GstSunAudioMixerTrackClass * klass)
  54 {
  55   /* nop */
  56 }
  57
  58 static void
  59 gst_sunaudiomixer_track_init (GstSunAudioMixerTrack * track)
  60 {
  61   track->gain = 0;
  62   track->balance = AUDIO_MID_BALANCE;
  63   track->track_num = 0;
  64 }
  65
  66 GstMixerTrack *
  67 gst_sunaudiomixer_track_new (GstSunAudioTrackType track_num)
  68 {
  69   const gchar *labels[] = { N_("Volume"),
  70     N_("Gain"),
  71     N_("Monitor"),
  72     N_("Built-in Speaker"),
  73     N_("Headphone"),
  74     N_("Line Out"),
  75     N_("SPDIF Out"),
  76     N_("AUX 1 Out"),
  77     N_("AUX 2 Out"),
  78   };
  79
  80
  81   GstSunAudioMixerTrack *sunaudiotrack;
  82   GstMixerTrack *track;
  83   const gchar *untranslated_label;
  84
  85   if ((guint) track_num < G_N_ELEMENTS (labels))
  86     untranslated_label = labels[track_num];
  87   else
  88     untranslated_label = NULL;
  89
  90   sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK,
  91       "untranslated-label", untranslated_label, NULL);
  92
  93   GST_DEBUG_OBJECT (sunaudiotrack, "Creating new mixer track of type %d: %s",
  94       track_num, GST_STR_NULL (untranslated_label));
  95
  96   switch (track_num) {
  97     case GST_SUNAUDIO_TRACK_OUTPUT:
  98       /* these are sliders */
  99       track = GST_MIXER_TRACK (sunaudiotrack);
 100       track->label = g_strdup (_(untranslated_label));
 101       track->num_channels = 2;
 102       track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST |
 103           GST_MIXER_TRACK_MASTER;
 104       track->min_volume = 0;
 105       track->max_volume = 255;
 106       sunaudiotrack->track_num = track_num;
 107       sunaudiotrack->gain = (0 & 0xff);
 108       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 109       break;
 110     case GST_SUNAUDIO_TRACK_RECORD:
 111       /* these are sliders */
 112       track = GST_MIXER_TRACK (sunaudiotrack);
 113       track->label = g_strdup (_(untranslated_label));
 114       track->num_channels = 2;
 115       track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD |
 116           GST_MIXER_TRACK_WHITELIST;
 117       track->min_volume = 0;
 118       track->max_volume = 255;
 119       sunaudiotrack->track_num = track_num;
 120       sunaudiotrack->gain = (0 & 0xff);
 121       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 122       break;
 123     case GST_SUNAUDIO_TRACK_MONITOR:
 124       /* these are sliders */
 125       track = GST_MIXER_TRACK (sunaudiotrack);
 126       track->label = g_strdup (_(untranslated_label));
 127       track->num_channels = 2;
 128       track->flags = GST_MIXER_TRACK_INPUT | GST_MIXER_TRACK_NO_RECORD;
 129       track->min_volume = 0;
 130       track->max_volume = 255;
 131       sunaudiotrack->track_num = track_num;
 132       sunaudiotrack->gain = (0 & 0xff);
 133       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 134       break;
 135     case GST_SUNAUDIO_TRACK_SPEAKER:
 136     case GST_SUNAUDIO_TRACK_HP:
 137     case GST_SUNAUDIO_TRACK_LINEOUT:
 138     case GST_SUNAUDIO_TRACK_SPDIFOUT:
 139     case GST_SUNAUDIO_TRACK_AUX1OUT:
 140     case GST_SUNAUDIO_TRACK_AUX2OUT:
 141       /* these are switches */
 142       track = GST_MIXER_TRACK (sunaudiotrack);
 143       track->label = g_strdup (_(untranslated_label));
 144       track->num_channels = 0;
 145       track->flags = GST_MIXER_TRACK_OUTPUT | GST_MIXER_TRACK_WHITELIST;
 146       track->min_volume = 0;
 147       track->max_volume = 255;
 148       sunaudiotrack->track_num = track_num;
 149       sunaudiotrack->gain = (0 & 0xff);
 150       sunaudiotrack->balance = AUDIO_MID_BALANCE;
 151       break;
 152     default:
 153       g_warning ("Unknown sun audio track num %d", track_num);
 154       track = NULL;
 155   }
 156
 157   return track;
 158 }