X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_diskstream.h;h=d6ad71863ab15e594a0a74450d6b7e141977fb5f;hb=3b20beb8d80e6b0ac12ef17e4f10e1d5dcc9fe55;hp=5cb4a322f706503afac1fda5200c63834b4c8613;hpb=5e8b3f08328424299c264d70bba307dcea1f2b17;p=ardour.git diff --git a/libs/ardour/ardour/midi_diskstream.h b/libs/ardour/ardour/midi_diskstream.h index 5cb4a322f7..d6ad71863a 100644 --- a/libs/ardour/ardour/midi_diskstream.h +++ b/libs/ardour/ardour/midi_diskstream.h @@ -62,9 +62,12 @@ class MidiDiskstream : public Diskstream float playback_buffer_load() const; float capture_buffer_load() const; - void get_playback(MidiBuffer& dst, nframes_t start, nframes_t end); + void get_playback (MidiBuffer& dst, framecnt_t); + void flush_playback (framepos_t, framepos_t); void set_record_enabled (bool yn); + + void reset_tracker (); boost::shared_ptr midi_playlist () { return boost::dynamic_pointer_cast(_playlist); } @@ -72,42 +75,27 @@ class MidiDiskstream : public Diskstream int use_new_playlist (); int use_copy_playlist (); + bool set_name (std::string const &); + /* stateful */ XMLNode& get_state(void); int set_state(const XMLNode&, int version); - void monitor_input (bool); + void ensure_jack_monitors_input (bool); - MidiRingBuffer* playback_buffer () { return _playback_buf; } - MidiRingBuffer* capture_buffer () { return _capture_buf; } boost::shared_ptr write_source () { return _write_source; } int set_destructive (bool yn); // doom! 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. + * 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; + + boost::shared_ptr get_gui_feed_buffer () const; protected: friend class Session; @@ -120,25 +108,25 @@ class MidiDiskstream : public Diskstream void set_pending_overwrite(bool); int overwrite_existing_buffers (); - void set_block_size (nframes_t); - int internal_playback_seek (nframes_t distance); - int can_internal_playback_seek (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::list > steal_write_sources(); void reset_write_sources (bool, bool force = false); void non_realtime_input_change (); - void non_realtime_locate (nframes_t location); + void non_realtime_locate (framepos_t location); - static void set_readahead_frames(nframes_t frames_ahead) { midi_readahead = frames_ahead; } + static void set_readahead_frames (framecnt_t frames_ahead) { midi_readahead = frames_ahead; } protected: - int seek (nframes_t which_sample, bool complete_refill = false); + int seek (framepos_t which_sample, bool complete_refill = false); protected: friend class MidiTrack; - int process (nframes_t transport_frame, nframes_t nframes, bool can_record, bool rec_monitors_input, bool& need_butler); - bool commit (nframes_t nframes); - static nframes_t midi_readahead; + int process (BufferSet&, framepos_t transport_frame, pframes_t nframes, framecnt_t &, bool need_diskstream); + bool commit (framecnt_t nframes); + static framecnt_t midi_readahead; private: @@ -148,13 +136,13 @@ class MidiDiskstream : public Diskstream int do_refill_with_alloc(); - int read (nframes_t& start, nframes_t cnt, bool reversed); + int read (framepos_t& start, framecnt_t cnt, bool reversed); - void finish_capture (bool rec_monitors_input); - void transport_stopped (struct tm&, time_t, bool abort); - void transport_looped (nframes_t transport_frame); + 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); @@ -167,17 +155,30 @@ class MidiDiskstream : public Diskstream void get_input_sources (); void set_align_style_from_io(); - void engage_record_enable (); - void disengage_record_enable (); + /* fixed size buffers per instance of ardour for now (non-dynamic) + */ + + void adjust_playback_buffering () {} + void adjust_capture_buffering () {} - MidiRingBuffer* _playback_buf; - MidiRingBuffer* _capture_buf; - MidiPort* _source_port; + bool prep_record_enable (); + bool prep_record_disable (); + + MidiRingBuffer* _playback_buf; + MidiRingBuffer* _capture_buf; + boost::weak_ptr _source_port; boost::shared_ptr _write_source; - nframes_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; + + /** 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 */