--- /dev/null
+/* Demo Recorder for MAEMO 5
+* Copyright (C) 2010 Dru Moore <usr@dru-id.co.uk>
+* This program is free software; you can redistribute it and/or modify
+* it under the terms of the GNU General Public License version 2,
+* or (at your option) any later version, as published by the Free
+* Software Foundation
+*
+* This program 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 General Public License for more details
+*
+* You should have received a copy of the GNU General Public
+* License along with this program; if not, write to the
+* Free Software Foundation, Inc.,
+* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+namespace IdWorks {
+
+public class MixerBin : Gst.Bin {
+
+ Gst.Element adder;
+ Gst.Element equalizer;
+ Gst.Element panorama;
+ Gst.Element volume;
+ List<TrackBin> tracks;
+ Gst.GhostPad sink_pad;
+ Gst.GhostPad src_pad;
+
+ public MixerBin(string name) {
+ this.name = name;
+ tracks = new List<TrackBin>();
+
+ adder = Gst.ElementFactory.make("adder", "adder_source");
+ this.add(adder);
+ equalizer = Gst.ElementFactory.make("equalizer-10bands", "eq");
+ this.add(equalizer);
+ panorama = Gst.ElementFactory.make("audiopanorama", "panorama");
+ this.add(panorama);
+ volume = Gst.ElementFactory.make("volume", "vol");
+ this.add(volume);
+
+ adder.link(equalizer);
+ equalizer.link(panorama);
+ panorama.link(volume);
+ //volume.link(sink);
+
+ sink_pad = new Gst.GhostPad("sink", adder.get_static_pad("sink"));
+ this.add_pad(sink_pad);
+ src_pad = new Gst.GhostPad("src", volume.get_static_pad("src"));
+ this.add_pad(src_pad);
+ }
+
+ public bool add_track(TrackBin bin) {
+ this.add(bin);
+ bin.link(adder);
+ if (null == tracks) {
+ tracks = new List<TrackBin>();
+ }
+ tracks.append(bin);
+ return true;
+ }
+
+ public void remove_all_tracks() {
+ while (null != tracks.first()) {
+ TrackBin track = tracks.first().data as TrackBin;
+ if (null != track) {
+ track.unlink(adder);
+ this.remove(track);
+ }
+ tracks.remove_link(tracks.first());
+ }
+ }
+
+ public bool remove_track(TrackBin track) {
+ track.unlink(adder);
+ this.remove(track);
+ tracks.remove(track);
+ return true;
+ }
+
+ public new Gst.PadTemplate get_pad_template(string name) {
+ switch (name) {
+ case "src":
+ return this.volume.get_pad_template("src");
+ case "sink":
+ return this.adder.get_pad_template("sink");
+ default:
+ return this.get_pad_template(name);
+ }
+ }
+
+ public void set_volume(double val)
+ requires (val >= 0.0 && val <= 10.0) {
+ volume.set_property("volume", val);
+ }
+ public double get_volume() {
+ GLib.Value ret = 0.0;
+ volume.get_property("volume", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_panorama(double val)
+ requires (val >= -1 && val <= 1) {
+ panorama.set_property("panorama", val);
+ }
+ public double get_panorama() {
+ GLib.Value ret = 0.0;
+ panorama.get_property("panorama", ref ret);
+ return ret.get_double();
+ }
+
+ public void set_eq(int band, double val)
+ requires (band > -1 && band < 10)
+ requires (val >= -24 && val <= 12) {
+ equalizer.set_property("band" + band.to_string(), val);
+ }
+ public double get_eq(int band) {
+ GLib.Value ret = 0.0;
+ equalizer.get_property("band" + band.to_string(), ref ret);
+ return ret.get_double();
+ }
+
+}
+
+}
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