X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fmidi_diskstream.h;h=e3f2673871fe2d296da808fc95a87853483c732e;hb=92b9fea3d16c3b40bba79858ef346b9f1cd58f8a;hp=28e80816a8125de9dcf93b63cfc69df4a463ea90;hpb=873d884fb2e88ac32930fb7c8ad907f4a681ccf4;p=ardour.git diff --git a/libs/ardour/ardour/midi_diskstream.h b/libs/ardour/ardour/midi_diskstream.h index 28e80816a8..e3f2673871 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 @@ -21,7 +21,6 @@ #ifndef __ardour_midi_diskstream_h__ #define __ardour_midi_diskstream_h__ -#include #include #include @@ -32,34 +31,29 @@ #include -#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&); @@ -67,10 +61,13 @@ 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); } @@ -78,43 +75,31 @@ 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& node); + int set_state(const XMLNode&, int version); - void monitor_input (bool); + void ensure_input_monitoring (bool); + + boost::shared_ptr write_source () { return _write_source; } - 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; + friend class Butler; /* the Session is the only point of access for these because they require that the Session is "inactive" @@ -123,38 +108,42 @@ 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 (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, nframes_t offset, bool can_record, bool rec_monitors_input); - bool commit (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: /* The two central butler operations */ - int do_flush (Session::RunContext context, bool force = false); + int do_flush (RunContext context, bool force = false); int do_refill (); - + 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); @@ -165,18 +154,32 @@ class MidiDiskstream : public Diskstream int use_pending_capture_data (XMLNode& node); void get_input_sources (); - void check_record_status (nframes_t transport_frame, nframes_t nframes, bool can_record); void set_align_style_from_io(); - - void engage_record_enable (); - void disengage_record_enable (); - - MidiRingBuffer* _playback_buf; - MidiRingBuffer* _capture_buf; - MidiPort* _source_port; - boost::shared_ptr _write_source; - nframes_t _last_flush_frame; - NoteMode _note_mode; + + /* 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; + + /** 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 */