2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __ardour_auditioner_h__
21 #define __ardour_auditioner_h__
25 #include <glibmm/threads.h>
27 #include "ardour/ardour.h"
28 #include "ardour/audio_track.h"
36 class LIBARDOUR_API Auditioner : public AudioTrack
39 Auditioner (Session&);
45 void audition_region (boost::shared_ptr<Region>);
47 void seek_to_frame (frameoffset_t pos) { if (_seek_frame < 0 && !_seeking) { _seek_frame = pos; }}
48 void seek_to_percent (float const pos) { if (_seek_frame < 0 && !_seeking) { _seek_frame = floorf(length * pos / 100.0); }}
50 ARDOUR::AudioPlaylist& prepare_playlist ();
52 int play_audition (framecnt_t nframes);
54 MonitorState monitoring_state () const;
56 void cancel_audition () {
57 g_atomic_int_set (&_auditioning, 0);
60 bool auditioning() const { return g_atomic_int_get (&_auditioning); }
61 bool needs_monitor() const { return via_monitor; }
63 virtual ChanCount input_streams () const;
65 frameoffset_t seek_frame() const { return _seeking ? _seek_frame : -1;}
66 void seek_response(frameoffset_t pos) { _seek_complete = true; if (_seeking) { current_frame = pos; _seek_complete = true;} }
67 PBD::Signal2<void, ARDOUR::framecnt_t, ARDOUR::framecnt_t> AuditionProgress;
70 boost::shared_ptr<AudioRegion> the_region;
71 framepos_t current_frame;
72 mutable gint _auditioning;
73 Glib::Threads::Mutex lock;
75 frameoffset_t _seek_frame;
81 static void *_drop_ports (void *);
82 void actually_drop_ports ();
83 void output_changed (IOChange, void*);
86 }; /* namespace ARDOUR */
88 #endif /* __ardour_auditioner_h__ */