X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_region.h;h=2fe56f015faaa2077af081757ead771cbf06132c;hb=f99dc6d2ab5acd69268f993ea2bb628d70728426;hp=294c2d3291e36605775df517ee5b5a64e666e646;hpb=5156998e6e2536c9c713974d3ae719a5d2ef5c7f;p=ardour.git diff --git a/libs/ardour/ardour/midi_region.h b/libs/ardour/ardour/midi_region.h index 294c2d3291..2fe56f015f 100644 --- a/libs/ardour/ardour/midi_region.h +++ b/libs/ardour/ardour/midi_region.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2000-2006 Paul Davis + Copyright (C) 2000-2006 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 @@ -23,78 +23,131 @@ #include -#include -#include - -#include -#include -#include -#include -#include +#include "ardour/ardour.h" +#include "ardour/region.h" class XMLNode; +namespace ARDOUR { + namespace Properties { + /* this is pseudo-property: nothing has this as an actual + property, but it allows us to signal changes to the + MidiModel used by the MidiRegion + */ + extern PBD::PropertyDescriptor midi_data; + extern PBD::PropertyDescriptor start_beats; + extern PBD::PropertyDescriptor length_beats; + } +} + +namespace Evoral { +template class EventSink; +} + namespace ARDOUR { class Route; class Playlist; class Session; class MidiFilter; +class MidiModel; class MidiSource; -class MidiRingBuffer; +class MidiStateTracker; +template class MidiRingBuffer; class MidiRegion : public Region { public: + static void make_property_quarks (); + ~MidiRegion(); + boost::shared_ptr clone () const; + boost::shared_ptr midi_source (uint32_t n=0) const; - nframes_t read_at (MidiRingBuffer& dst, - nframes_t position, - nframes_t dur, - uint32_t chan_n = 0, - NoteMode mode = Sustained) const; + /* Stub Readable interface */ + virtual framecnt_t read (Sample*, framepos_t /*pos*/, framecnt_t /*cnt*/, int /*channel*/) const { return 0; } + virtual framecnt_t readable_length() const { return length(); } + + framecnt_t read_at (Evoral::EventSink& dst, + framepos_t position, + framecnt_t dur, + uint32_t chan_n = 0, + NoteMode mode = Sustained, + MidiStateTracker* tracker = 0) const; + + framecnt_t master_read_at (MidiRingBuffer& dst, + framepos_t position, + framecnt_t dur, + uint32_t chan_n = 0, + NoteMode mode = Sustained) const; + + XMLNode& state (); + int set_state (const XMLNode&, int version); + + int separate_by_channel (ARDOUR::Session&, std::vector< boost::shared_ptr >&) const; + + /* automation */ - nframes_t master_read_at (MidiRingBuffer& dst, - nframes_t position, - nframes_t dur, - uint32_t chan_n = 0, - NoteMode mode = Sustained) const; + boost::shared_ptr control(const Evoral::Parameter& id, bool create=false); - XMLNode& state (bool); - int set_state (const XMLNode&); + virtual boost::shared_ptr control(const Evoral::Parameter& id) const; - int separate_by_channel (ARDOUR::Session&, vector&) const; + /* export */ - UndoAction get_memento() const; + boost::shared_ptr model(); + boost::shared_ptr model() const; + + void fix_negative_start (); + void transpose (int); + + protected: + + virtual bool can_trim_start_before_source_start () const { + return true; + } private: friend class RegionFactory; + PBD::Property _start_beats; + PBD::Property _length_beats; - MidiRegion (boost::shared_ptr, nframes_t start, nframes_t length); - MidiRegion (boost::shared_ptr, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags); - MidiRegion (SourceList &, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags); - MidiRegion (boost::shared_ptr, nframes_t start, nframes_t length, const string& name, layer_t = 0, Region::Flag flags = Region::DefaultFlags); + MidiRegion (const SourceList&); MidiRegion (boost::shared_ptr); - MidiRegion (boost::shared_ptr, const XMLNode&); - MidiRegion (SourceList &, const XMLNode&); + MidiRegion (boost::shared_ptr, frameoffset_t offset); - private: - nframes_t _read_at (const SourceList&, MidiRingBuffer& dst, - nframes_t position, - nframes_t dur, - uint32_t chan_n = 0, - NoteMode mode = Sustained) const; + framecnt_t _read_at (const SourceList&, Evoral::EventSink& dst, + framepos_t position, + framecnt_t dur, + uint32_t chan_n = 0, + NoteMode mode = Sustained, + MidiStateTracker* tracker = 0) const; + + void register_properties (); + void post_set (const PBD::PropertyChange&); void recompute_at_start (); void recompute_at_end (); - void switch_source(boost::shared_ptr source); + void set_position_internal (framepos_t pos, bool allow_bbt_recompute); + void set_length_internal (framecnt_t len); + void set_start_internal (framecnt_t); + void update_length_beats (); - protected: + void model_changed (); + void model_automation_state_changed (Evoral::Parameter const &); + void model_contents_changed (); + + void set_start_beats_from_start_frames (); + void update_after_tempo_map_change (); + + std::set _filtered_parameters; ///< parameters that we ask our source not to return when reading + PBD::ScopedConnection _model_connection; + PBD::ScopedConnection _source_connection; + PBD::ScopedConnection _model_contents_connection; - int set_live_state (const XMLNode&, Change&, bool send); + double _last_length_beats; }; } /* namespace ARDOUR */