--- /dev/null
+/*
+ Copyright (C) 2011 Paul Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#ifndef __ardour_midi_playlist_source_h__
+#define __ardour_midi_playlist_source_h__
+
+#include <string>
+
+#include <boost/shared_ptr.hpp>
+
+#include "ardour/ardour.h"
+#include "ardour/midi_source.h"
+#include "ardour/playlist_source.h"
+
+namespace ARDOUR {
+
+class MidiPlaylist;
+
+class MidiPlaylistSource : public MidiSource, public PlaylistSource {
+ public:
+ virtual ~MidiPlaylistSource ();
+
+ bool empty() const;
+ framecnt_t length (framepos_t) const;
+
+ framecnt_t read_unlocked (Sample *dst, framepos_t start, framecnt_t cnt) const;
+ framecnt_t write_unlocked (Sample *src, framecnt_t cnt);
+
+ XMLNode& get_state ();
+ int set_state (const XMLNode&, int version);
+
+ void append_event_unlocked_beats(const Evoral::Event<Evoral::MusicalTime>& ev);
+ void append_event_unlocked_frames(const Evoral::Event<framepos_t>& ev, framepos_t source_start);
+ void load_model(bool lock=true, bool force_reload=false);
+ void destroy_model();
+
+ static void ensure_buffers_for_level (uint32_t);
+
+ protected:
+ friend class SourceFactory;
+
+ MidiPlaylistSource (Session&, const PBD::ID& orig, const std::string& name, boost::shared_ptr<MidiPlaylist>, uint32_t chn,
+ frameoffset_t begin, framecnt_t len, Source::Flag flags);
+ MidiPlaylistSource (Session&, const XMLNode&);
+
+
+ void flush_midi();
+
+ framepos_t read_unlocked (Evoral::EventSink<framepos_t>& dst,
+ framepos_t position,
+ framepos_t start, framecnt_t cnt,
+ MidiStateTracker* tracker) const;
+
+ framepos_t write_unlocked (MidiRingBuffer<framepos_t>& dst,
+ framepos_t position,
+ framecnt_t cnt);
+ private:
+ int set_state (const XMLNode&, int version, bool with_descendants);
+ framecnt_t _length;
+};
+
+} /* namespace */
+
+#endif /* __ardour_midi_playlist_source_h__ */
--- /dev/null
+/*
+ Copyright (C) 2011 Paul Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
+#include <vector>
+#include <cstdio>
+
+#include <glibmm/fileutils.h>
+#include <glibmm/miscutils.h>
+
+#include "pbd/error.h"
+#include "pbd/convert.h"
+#include "pbd/enumwriter.h"
+
+#include "ardour/midi_playlist.h"
+#include "ardour/midi_playlist_source.h"
+#include "ardour/midi_region.h"
+#include "ardour/debug.h"
+#include "ardour/filename_extensions.h"
+#include "ardour/session.h"
+#include "ardour/session_directory.h"
+#include "ardour/session_playlists.h"
+#include "ardour/source_factory.h"
+
+#include "i18n.h"
+
+using namespace std;
+using namespace ARDOUR;
+using namespace PBD;
+
+MidiPlaylistSource::MidiPlaylistSource (Session& s, const ID& orig, const std::string& name, boost::shared_ptr<MidiPlaylist> p,
+ uint32_t chn, frameoffset_t begin, framecnt_t len, Source::Flag flags)
+ : Source (s, DataType::AUDIO, name)
+ , MidiSource (s, name, flags)
+ , PlaylistSource (s, orig, name, p, DataType::AUDIO, begin, len, flags)
+{
+ ensure_buffers_for_level (_level);
+}
+
+MidiPlaylistSource::MidiPlaylistSource (Session& s, const XMLNode& node)
+ : Source (s, node)
+ , MidiSource (s, node)
+ , PlaylistSource (s, node)
+{
+ /* PlaylistSources are never writable, renameable, removable or destructive */
+ _flags = Flag (_flags & ~(Writable|CanRename|Removable|RemovableIfEmpty|RemoveAtDestroy|Destructive));
+
+ /* ancestors have already called ::set_state() in their XML-based
+ constructors.
+ */
+
+ if (set_state (node, Stateful::loading_state_version, false)) {
+ throw failed_constructor ();
+ }
+}
+
+MidiPlaylistSource::~MidiPlaylistSource ()
+{
+}
+
+XMLNode&
+MidiPlaylistSource::get_state ()
+{
+ XMLNode& node (MidiSource::get_state ());
+
+ /* merge PlaylistSource state */
+
+ PlaylistSource::add_state (node);
+
+ return node;
+}
+
+
+int
+MidiPlaylistSource::set_state (const XMLNode& node, int version)
+{
+ return set_state (node, version, true);
+}
+
+int
+MidiPlaylistSource::set_state (const XMLNode& node, int version, bool with_descendants)
+{
+ if (with_descendants) {
+ if (Source::set_state (node, version) ||
+ MidiSource::set_state (node, version) ||
+ PlaylistSource::set_state (node, version)) {
+ return -1;
+ }
+ }
+
+ ensure_buffers_for_level (_level);
+
+ return 0;
+}
+
+framecnt_t
+MidiPlaylistSource::length (framepos_t) const
+{
+ pair<framepos_t,framepos_t> extent = _playlist->get_extent();
+ return extent.second - extent.first;
+}
+
+framepos_t
+MidiPlaylistSource::read_unlocked (Evoral::EventSink<framepos_t>& dst,
+ framepos_t position,
+ framepos_t start, framecnt_t cnt,
+ MidiStateTracker* tracker) const
+{
+ boost::shared_ptr<MidiPlaylist> mp = boost::dynamic_pointer_cast<MidiPlaylist> (_playlist);
+
+ if (!mp) {
+ return 0;
+ }
+
+ return mp->read (dst, start, cnt);
+}
+
+framepos_t
+MidiPlaylistSource::write_unlocked (MidiRingBuffer<framepos_t>& dst,
+ framepos_t position,
+ framecnt_t cnt)
+{
+ fatal << string_compose (_("programming error: %1"), "MidiPlaylistSource::write_unlocked() called - should be impossible") << endmsg;
+ /*NOTREACHED*/
+ return 0;
+}
+
+void
+MidiPlaylistSource::append_event_unlocked_beats(const Evoral::Event<Evoral::MusicalTime>& /*ev*/)
+{
+ fatal << string_compose (_("programming error: %1"), "MidiPlaylistSource::append_event_unlocked_beats() called - should be impossible") << endmsg;
+ /*NOTREACHED*/
+}
+
+void
+MidiPlaylistSource::append_event_unlocked_frames(const Evoral::Event<framepos_t>& ev, framepos_t source_start)
+{
+ fatal << string_compose (_("programming error: %1"), "MidiPlaylistSource::append_event_unlocked_frames() called - should be impossible") << endmsg;
+ /*NOTREACHED*/
+}
+
+void
+MidiPlaylistSource::load_model (bool, bool)
+{
+ fatal << string_compose (_("programming error: %1"), "MidiPlaylistSource::load_model() called - should be impossible") << endmsg;
+ /*NOTREACHED*/
+}
+
+void
+MidiPlaylistSource::destroy_model ()
+{
+ fatal << string_compose (_("programming error: %1"), "MidiPlaylistSource::destroy_model() called - should be impossible") << endmsg;
+ /*NOTREACHED*/
+}
+
+void
+MidiPlaylistSource::flush_midi ()
+{
+}
+
+
+bool
+MidiPlaylistSource::empty () const
+{
+ return !_playlist || _playlist->empty();
+}
+
+void
+MidiPlaylistSource::ensure_buffers_for_level (uint32_t level)
+{
+}
+
+
projects / ardour.git / commitdiff