/* * GStreamer * Copyright (C) 2005 Brian Cameron * * 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 #include #include #include #include #include #include #include #include #include "gstsunaudiomixertrack.h" #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, gint max_chans, gint flags) { const gchar *labels[] = { N_("Volume"), N_("Gain"), N_("Monitor") }; GstSunAudioMixerTrack *sunaudiotrack; GstMixerTrack *track; GObjectClass *klass; const gchar *untranslated_label; gint volume; if ((guint) track_num < G_N_ELEMENTS (labels)) untranslated_label = labels[track_num]; else untranslated_label = NULL; /* FIXME: remove this check once we depend on -base >= 0.10.12.1 */ klass = G_OBJECT_CLASS (g_type_class_ref (GST_TYPE_SUNAUDIO_MIXER_TRACK)); if (g_object_class_find_property (klass, "untranslated-label")) { sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK, "untranslated-label", untranslated_label, NULL); } else { sunaudiotrack = g_object_new (GST_TYPE_SUNAUDIO_MIXER_TRACK, NULL); } g_type_class_unref (klass); track = GST_MIXER_TRACK (sunaudiotrack); track->label = g_strdup (_(untranslated_label)); track->num_channels = max_chans; track->flags = flags; track->min_volume = 0; track->max_volume = 100; sunaudiotrack->track_num = track_num; sunaudiotrack->gain = (0 & 0xff); sunaudiotrack->balance = AUDIO_MID_BALANCE; return track; }