X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_diskstream.h;h=45f01763d8a1ff7e5145ae68ab2ef1419272d1d2;hb=74a604d261b1ecb0f20ee0c69aef7648da3a1d86;hp=8c927c5fc6614b4294c9856ca281fc21bd54bf58;hpb=d901dbccc912314b54494fab068785c188884fe4;p=ardour.git diff --git a/libs/ardour/ardour/midi_diskstream.h b/libs/ardour/ardour/midi_diskstream.h index 8c927c5fc6..45f01763d8 100644 --- a/libs/ardour/ardour/midi_diskstream.h +++ b/libs/ardour/ardour/midi_diskstream.h @@ -36,9 +36,9 @@ #include "ardour/ardour.h" #include "ardour/diskstream.h" -#include "ardour/midi_playlist.h" -#include "ardour/midi_ring_buffer.h" +#include "ardour/midi_buffer.h" #include "ardour/utils.h" +#include "ardour/interpolation.h" struct tm; @@ -46,39 +46,48 @@ namespace ARDOUR { class IO; class MidiEngine; +class MidiPlaylist; class MidiPort; class MidiRingbuffer; +class MidiSource; class SMFSource; class Send; class Session; -class MidiDiskstream : public Diskstream +template class MidiRingBuffer; + +class LIBARDOUR_API MidiDiskstream : public Diskstream { public: - MidiDiskstream (Session &, const string& name, Diskstream::Flag f = Recordable); + MidiDiskstream (Session &, const std::string& name, Diskstream::Flag f = Recordable); MidiDiskstream (Session &, const XMLNode&); ~MidiDiskstream(); float playback_buffer_load() const; float capture_buffer_load() const; - void get_playback(MidiBuffer& dst, framepos_t start, framepos_t end); + void flush_playback (framepos_t, framepos_t); void set_record_enabled (bool yn); + void set_record_safe (bool yn); + + void reset_tracker (); + void resolve_tracker (Evoral::EventSink& buffer, framepos_t time); - boost::shared_ptr midi_playlist () { return boost::dynamic_pointer_cast(_playlist); } + boost::shared_ptr midi_playlist (); int use_playlist (boost::shared_ptr); int use_new_playlist (); int use_copy_playlist (); 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); - void monitor_input (bool); + void ensure_input_monitoring (bool); boost::shared_ptr write_source () { return _write_source; } @@ -86,34 +95,13 @@ class MidiDiskstream : public Diskstream void set_note_mode (NoteMode m); - uint16_t get_channel_mask() { - uint16_t playback_mask = _playback_buf->get_channel_mask(); -#ifndef NDEBUG - uint16_t capture_mask = _capture_buf->get_channel_mask(); - assert(playback_mask == capture_mask); -#endif - return playback_mask; - } - - void set_channel_mode(ChannelMode mode, uint16_t mask) { - _playback_buf->set_channel_mode(mode, mask); - _capture_buf->set_channel_mode(mode, mask); - } - - ChannelMode get_channel_mode() { - ChannelMode playback_mode = _playback_buf->get_channel_mode(); -#ifndef NDEBUG - ChannelMode capture_mode = _capture_buf->get_channel_mode(); - assert(playback_mode == capture_mode); -#endif - return playback_mode; - } - /** Emitted when some MIDI data has been received for recording. - * First parameter is the data. - * Second parameter is the source that it is destined for. + * Parameter is the source that it is destined for. + * A caller can get a copy of the data with get_gui_feed_buffer () */ - PBD::Signal2, boost::weak_ptr > DataRecorded; + PBD::Signal1 > DataRecorded; + + boost::shared_ptr get_gui_feed_buffer () const; protected: friend class Session; @@ -129,34 +117,35 @@ class MidiDiskstream : public Diskstream void set_block_size (pframes_t); int internal_playback_seek (framecnt_t distance); int can_internal_playback_seek (framecnt_t distance); - std::list > steal_write_sources(); + 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); static void set_readahead_frames (framecnt_t frames_ahead) { midi_readahead = frames_ahead; } - protected: - int seek (framepos_t which_sample, bool complete_refill = false); - protected: friend class MidiTrack; + friend class Auditioner; + + int seek (framepos_t which_sample, bool complete_refill = false); + int _do_refill_with_alloc (bool one_chunk_only); + 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); - int process (framepos_t transport_frame, pframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler); - bool commit (framecnt_t nframes); static framecnt_t midi_readahead; private: + void get_playback (MidiBuffer& dst, framecnt_t); /* The two central butler operations */ int do_flush (RunContext context, bool force = false); int do_refill (); - int do_refill_with_alloc(); - int read (framepos_t& start, framecnt_t cnt, bool reversed); - void finish_capture (bool rec_monitors_input); + void finish_capture (); void transport_stopped_wallclock (struct tm&, time_t, bool abort); void transport_looped (framepos_t transport_frame); @@ -164,7 +153,7 @@ class MidiDiskstream : public Diskstream int use_new_write_source (uint32_t n=0); - int find_and_use_playlist (const string&); + int find_and_use_playlist (const std::string&); void allocate_temporary_buffers (); @@ -173,23 +162,33 @@ class MidiDiskstream : public Diskstream void get_input_sources (); void set_align_style_from_io(); - /* fixed size buffers per instance of ardour for now (non-dynamic) - */ + /* fixed size buffers per instance of ardour for now (non-dynamic) + */ - void adjust_playback_buffering () {} - void adjust_capture_buffering () {} + void adjust_playback_buffering () {} + void adjust_capture_buffering () {} - void engage_record_enable (); - void disengage_record_enable (); + bool prep_record_enable (); + bool prep_record_disable (); MidiRingBuffer* _playback_buf; MidiRingBuffer* _capture_buf; - MidiPort* _source_port; + boost::weak_ptr _source_port; boost::shared_ptr _write_source; - framepos_t _last_flush_frame; NoteMode _note_mode; - volatile gint _frames_written_to_ringbuffer; - volatile gint _frames_read_from_ringbuffer; + 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; + + CubicMidiInterpolation interpolation; }; }; /* namespace ARDOUR */