X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_diskstream.h;h=91fb891f17705c651101fbba62294c2154328138;hb=0622a0cc3068a06d328119e90b7d9c5f5a84df32;hp=b6121d1176ac151f1103e52d8486df5a437c95d3;hpb=b7f3a6350783ffda019c22f74dd67e7d619b387b;p=ardour.git diff --git a/libs/ardour/ardour/midi_diskstream.h b/libs/ardour/ardour/midi_diskstream.h index b6121d1176..91fb891f17 100644 --- a/libs/ardour/ardour/midi_diskstream.h +++ b/libs/ardour/ardour/midi_diskstream.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2000 Paul Davis + Copyright (C) 2000 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 @@ -21,9 +21,9 @@ #ifndef __ardour_midi_diskstream_h__ #define __ardour_midi_diskstream_h__ -#include #include +#include #include #include #include @@ -31,73 +31,76 @@ #include -#include -#include - - -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include "pbd/fastlog.h" +#include "pbd/ringbufferNPT.h" + +#include "ardour/ardour.h" +#include "ardour/diskstream.h" +#include "ardour/midi_playlist.h" +#include "ardour/midi_ring_buffer.h" +#include "ardour/utils.h" + struct tm; namespace ARDOUR { +class IO; class MidiEngine; +class MidiPort; +class MidiRingbuffer; +class SMFSource; class Send; class Session; -class MidiPlaylist; -class SMFSource; -class IO; -class MidiDiskstream : public Diskstream -{ +class LIBARDOUR_API MidiDiskstream : public Diskstream +{ public: MidiDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable); MidiDiskstream (Session &, const XMLNode&); - - void set_io (ARDOUR::IO& io); - - MidiDiskstream& ref() { _refcnt++; return *this; } - //void unref() { if (_refcnt) _refcnt--; if (_refcnt == 0) delete this; } - //uint32_t refcnt() const { return _refcnt; } + ~MidiDiskstream(); float playback_buffer_load() const; float capture_buffer_load() const; - //void set_align_style (AlignStyle); - //void set_persistent_align_style (AlignStyle); + void get_playback (MidiBuffer& dst, framecnt_t); + void flush_playback (framepos_t, framepos_t); - void set_record_enabled (bool yn, void *src); - //void set_speed (double); + void set_record_enabled (bool yn); + + void reset_tracker (); + + boost::shared_ptr midi_playlist () { return boost::dynamic_pointer_cast(_playlist); } - int use_playlist (Playlist *); + int use_playlist (boost::shared_ptr); int use_new_playlist (); int use_copy_playlist (); - void start_scrub (jack_nframes_t where) {} // FIXME? - void end_scrub () {} // FIXME? + bool set_name (std::string const &); + bool set_write_source_name (const std::string& str); + + /* stateful */ + XMLNode& get_state(void); + int set_state(const XMLNode&, int version); - Playlist *playlist () { return _playlist; } + void ensure_input_monitoring (bool); - static sigc::signal*> DeleteSources; + boost::shared_ptr write_source () { return _write_source; } - /* stateful */ + int set_destructive (bool yn); // doom! - XMLNode& get_state(void); - int set_state(const XMLNode& node); + void set_note_mode (NoteMode m); - void monitor_input (bool); + /** Emitted when some MIDI data has been received for recording. + * Parameter is the source that it is destined for. + * A caller can get a copy of the data with get_gui_feed_buffer () + */ + PBD::Signal1 > DataRecorded; - //void handle_input_change (IOChange, void *src); + boost::shared_ptr get_gui_feed_buffer () const; protected: friend class Session; + friend class Butler; /* the Session is the only point of access for these because they require that the Session is "inactive" @@ -106,87 +109,78 @@ class MidiDiskstream : public Diskstream void set_pending_overwrite(bool); int overwrite_existing_buffers (); - void reverse_scrub_buffer (bool to_forward) {} // FIXME? - void set_block_size (jack_nframes_t); - int internal_playback_seek (jack_nframes_t distance); - int can_internal_playback_seek (jack_nframes_t distance); - int rename_write_sources (); + void set_block_size (pframes_t); + int internal_playback_seek (framecnt_t distance); + int can_internal_playback_seek (framecnt_t distance); + std::string steal_write_source_name(); void reset_write_sources (bool, bool force = false); void non_realtime_input_change (); + void non_realtime_locate (framepos_t location); - uint32_t read_data_count() const { return _read_data_count; } - uint32_t write_data_count() const { return _write_data_count; } - - protected: - friend class Auditioner; - int seek (jack_nframes_t which_sample, bool complete_refill = false); + static void set_readahead_frames (framecnt_t frames_ahead) { midi_readahead = frames_ahead; } protected: friend class MidiTrack; + friend class Auditioner; + int seek (framepos_t which_sample, bool complete_refill = false); - int process (jack_nframes_t transport_frame, jack_nframes_t nframes, jack_nframes_t offset, bool can_record, bool rec_monitors_input); - bool commit (jack_nframes_t nframes); + int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_diskstream); + frameoffset_t calculate_playback_distance (pframes_t nframes); + bool commit (framecnt_t nframes); + static framecnt_t midi_readahead; private: - /* use unref() to destroy a diskstream */ - ~MidiDiskstream(); - - MidiPlaylist* _playlist; - - /* the two central butler operations */ - - int do_flush (char * workbuf, bool force = false); - int do_refill (RawMidi *mixdown_buffer, float *gain_buffer, char *workbuf); - - virtual int non_realtime_do_refill() { return do_refill(0, 0, 0); } - - int read (RawMidi* buf, RawMidi* mixdown_buffer, char * workbuf, jack_nframes_t& start, jack_nframes_t cnt, bool reversed); - - /* XXX fix this redundancy ... */ + /* The two central butler operations */ + int do_flush (RunContext context, bool force = false); + int do_refill (); - //void playlist_changed (Change); - //void playlist_modified (); - void playlist_deleted (Playlist*); - void session_controls_changed (Session::ControlType) {} // FIXME? + int do_refill_with_alloc(); - void finish_capture (bool rec_monitors_input); - void clean_up_capture (struct tm&, time_t, bool abort) {} // FIXME? - void transport_stopped (struct tm&, time_t, bool abort); + int read (framepos_t& start, framecnt_t cnt, bool reversed); - struct CaptureInfo { - uint32_t start; - uint32_t frames; - }; + void finish_capture (); + void transport_stopped_wallclock (struct tm&, time_t, bool abort); + void transport_looped (framepos_t transport_frame); - void init (Diskstream::Flag); + void init (); int use_new_write_source (uint32_t n=0); - int use_new_fade_source (uint32_t n=0) { return 0; } // FIXME? int find_and_use_playlist (const string&); void allocate_temporary_buffers (); - int create_input_port () { return 0; } // FIXME? - int connect_input_port () { return 0; } // FIXME? - int seek_unlocked (jack_nframes_t which_sample) { return 0; } // FIXME? - - int ports_created () { return 0; } // FIXME? - - //bool realtime_set_speed (double, bool global_change); - void non_realtime_set_speed (); - int use_pending_capture_data (XMLNode& node); void get_input_sources (); - void check_record_status (jack_nframes_t transport_frame, jack_nframes_t nframes, bool can_record); void set_align_style_from_io(); - void setup_destructive_playlist (); - void use_destructive_playlist (); - - std::list _last_capture_regions; - std::vector _capturing_sources; + + /* fixed size buffers per instance of ardour for now (non-dynamic) + */ + + void adjust_playback_buffering () {} + void adjust_capture_buffering () {} + + bool prep_record_enable (); + bool prep_record_disable (); + + MidiRingBuffer* _playback_buf; + MidiRingBuffer* _capture_buf; + boost::weak_ptr _source_port; + boost::shared_ptr _write_source; + NoteMode _note_mode; + gint _frames_written_to_ringbuffer; + gint _frames_read_from_ringbuffer; + volatile gint _frames_pending_write; + volatile gint _num_captured_loops; + framepos_t _accumulated_capture_offset; + + /** A buffer that we use to put newly-arrived MIDI data in for + the GUI to read (so that it can update itself). + */ + MidiBuffer _gui_feed_buffer; + mutable Glib::Threads::Mutex _gui_feed_buffer_mutex; }; }; /* namespace ARDOUR */