/*
Copyright (C) 2006 Paul Davis
- Written by Dave Robillard, 2006
+ Author: David Robillard
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
*/
-#ifndef __ardour_smf_filesource_h__
-#define __ardour_smf_filesource_h__
+#ifndef __ardour_smf_source_h__
+#define __ardour_smf_source_h__
#include <cstdio>
#include <time.h>
+#include "evoral/SMF.hpp"
+#include "ardour/midi_source.h"
+#include "ardour/file_source.h"
-#include <ardour/midi_source.h>
-
-namespace Evoral { class Event; }
+namespace Evoral { template<typename T> class Event; }
namespace ARDOUR {
-class MidiRingBuffer;
+template<typename T> class MidiRingBuffer;
/** Standard Midi File (Type 0) Source */
-class SMFSource : public MidiSource {
- public:
- enum Flag {
- Writable = 0x1,
- CanRename = 0x2,
- Broadcast = 0x4,
- Removable = 0x8,
- RemovableIfEmpty = 0x10,
- RemoveAtDestroy = 0x20,
- BuildPeaks = 0x40
- };
-
+class LIBARDOUR_API SMFSource : public MidiSource, public FileSource, public Evoral::SMF {
+public:
+ /** Constructor for new internal-to-session files */
+ SMFSource (Session& session, const std::string& path, Source::Flag flags);
+
/** Constructor for existing external-to-session files */
- SMFSource (Session& session, std::string path, Flag flags = Flag(0));
+ SMFSource (Session& session, const std::string& path);
- /* Constructor for existing in-session files */
- SMFSource (Session& session, const XMLNode&);
+ /** Constructor for existing in-session files */
+ SMFSource (Session& session, const XMLNode&, bool must_exist = false);
virtual ~SMFSource ();
- /* this block of methods do nothing for regular file sources, but are significant
- for files used in destructive recording.
- */
- // FIXME and thus are useless for MIDI.. but make MidiDiskstream compile easier! :)
-
- virtual nframes_t last_capture_start_frame() const { return 0; }
- virtual void mark_capture_start (nframes_t) {}
- virtual void mark_capture_end () {}
- virtual void clear_capture_marks() {}
-
- bool set_name (const std::string& newname) { return (set_source_name(newname, false) == 0); }
- int set_source_name (string newname, bool destructive);
-
- static bool safe_file_extension (const Glib::ustring& path);
-
- Glib::ustring path() const { return _path; }
+ bool safe_file_extension (const std::string& path) const {
+ return safe_midi_file_extension(path);
+ }
- void set_allow_remove_if_empty (bool yn);
- void mark_for_remove();
+ void append_event_beats (const Lock& lock, const Evoral::Event<Evoral::Beats>& ev);
+ void append_event_frames (const Lock& lock, const Evoral::Event<framepos_t>& ev, framepos_t source_start);
- void append_event_unlocked(EventTimeUnit unit, const Evoral::Event& ev);
+ void mark_streaming_midi_write_started (const Lock& lock, NoteMode mode);
+ void mark_streaming_write_completed (const Lock& lock);
+ void mark_midi_streaming_write_completed (const Lock& lock,
+ Evoral::Sequence<Evoral::Beats>::StuckNoteOption,
+ Evoral::Beats when = Evoral::Beats());
- int flush_header ();
- int flush_footer ();
-
- int move_to_trash (const string trash_dir_name);
-
- bool is_empty () const;
- void mark_streaming_midi_write_started (NoteMode mode, nframes_t start_time);
- void mark_streaming_write_completed ();
-
- void mark_take (string);
- string take_id() const { return _take_id; }
+ XMLNode& get_state ();
+ int set_state (const XMLNode&, int version);
- static void set_search_path (string);
- static void set_header_position_offset (nframes_t offset, bool negative);
+ void load_model (const Glib::Threads::Mutex::Lock& lock, bool force_reload=false);
+ void destroy_model (const Glib::Threads::Mutex::Lock& lock);
- XMLNode& get_state ();
- int set_state (const XMLNode&);
+ static bool safe_midi_file_extension (const std::string& path);
+ static bool valid_midi_file (const std::string& path);
- void seek_to(nframes_t time);
-
- void load_model(bool lock=true, bool force_reload=false);
- void destroy_model();
+ void prevent_deletion ();
- uint16_t ppqn() const { return _ppqn; }
+ protected:
+ void close ();
+ void set_path (const std::string& newpath);
+ void flush_midi (const Lock& lock);
private:
+ bool _open;
+ Evoral::Beats _last_ev_time_beats;
+ framepos_t _last_ev_time_frames;
+ /** end time (start + duration) of last call to read_unlocked */
+ mutable framepos_t _smf_last_read_end;
+ /** time (in SMF ticks, 1 tick per _ppqn) of the last event read by read_unlocked */
+ mutable framepos_t _smf_last_read_time;
+
+ int open_for_write ();
+
+ void ensure_disk_file (const Lock& lock);
+
+ framecnt_t read_unlocked (const Lock& lock,
+ Evoral::EventSink<framepos_t>& dst,
+ framepos_t position,
+ framepos_t start,
+ framecnt_t cnt,
+ MidiStateTracker* tracker,
+ MidiChannelFilter* filter) const;
+
+ framecnt_t write_unlocked (const Lock& lock,
+ MidiRingBuffer<framepos_t>& src,
+ framepos_t position,
+ framecnt_t cnt);
- int init (string idstr, bool must_exist);
-
- nframes_t read_unlocked (MidiRingBuffer& dst, nframes_t start, nframes_t cn, nframes_t stamp_offset, nframes_t negative_stamp_offset) const;
- nframes_t write_unlocked (MidiRingBuffer& dst, nframes_t cnt);
-
- bool find (std::string path, bool must_exist, bool& is_new);
- bool removable() const;
- bool writable() const { return _flags & Writable; }
-
- int open();
- void close();
-
- /**
- * This method is only used by flush_footer() to find the right seek position
- * for the footer (at the end after recording or -4 offset ro SEEK_END
- * if a footer is already present)
- */
- void seek_to_footer_position();
-
- /**
- * write the track footer at the current seek position
- */
- void write_footer();
-
- void write_chunk_header(const char id[4], uint32_t length);
- void write_chunk(const char id[4], uint32_t length, void* data);
- size_t write_var_len(uint32_t val);
- uint32_t read_var_len() const;
- int read_event(uint32_t* delta_t, uint32_t* size, uint8_t** buf) const;
-
- static const uint16_t _ppqn = 19200;
-
- Glib::ustring _path;
- Flag _flags;
- string _take_id;
- bool _allow_remove_if_empty;
- FILE* _fd;
- double _last_ev_time; ///< last frame time written, relative to source start
- uint32_t _track_size;
- uint32_t _header_size; ///< size of SMF header, including MTrk chunk header
- bool _empty; ///< true iff file contains (non-empty) events
-
- static string _search_path;
};
}; /* namespace ARDOUR */
-#endif /* __ardour_smf_filesource_h__ */
+#endif /* __ardour_smf_source_h__ */
projects / ardour.git / blobdiff