X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fasync_midi_port.h;h=96a50ab198df1c18136d396197e768e30be55af3;hb=e845b9f9357c4ff471c02b1f63a61275bb4a7d28;hp=e7eeb8ee30a15327b94bd05d854d63610eb32600;hpb=36c233fe6ce570ce85224626ce7aba4a2607537f;p=ardour.git diff --git a/libs/ardour/ardour/async_midi_port.h b/libs/ardour/ardour/async_midi_port.h index e7eeb8ee30..96a50ab198 100644 --- a/libs/ardour/ardour/async_midi_port.h +++ b/libs/ardour/ardour/async_midi_port.h @@ -1,5 +1,5 @@ /* - Copyright (C) 1998-2010 Paul Barton-Davis + Copyright (C) 1998-2010 Paul Barton-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 the Free Software Foundation; either version 2 of the License, or @@ -22,18 +22,20 @@ #include #include +#include + #include "pbd/xml++.h" #include "pbd/crossthread.h" #include "pbd/signals.h" #include "pbd/ringbuffer.h" #include "evoral/Event.hpp" -#include "evoral/EventRingBuffer.hpp" #include "midi++/types.h" #include "midi++/parser.h" #include "midi++/port.h" +#include "ardour/event_ring_buffer.h" #include "ardour/libardour_visibility.h" #include "ardour/midi_port.h" @@ -49,28 +51,55 @@ class LIBARDOUR_API AsyncMIDIPort : public ARDOUR::MidiPort, public MIDI::Port { void cycle_start (pframes_t nframes); void cycle_end (pframes_t nframes); - + /* called from non-RT context */ - + void parse (framecnt_t timestamp); - int write (const MIDI::byte *msg, size_t msglen, MIDI::timestamp_t timestamp); + int write (const MIDI::byte *msg, size_t msglen, MIDI::timestamp_t timestamp); int read (MIDI::byte *buf, size_t bufsize); - void drain (int check_interval_usecs); - int selectable () const { return xthread.selectable(); } + /* waits for output to be cleared */ + void drain (int check_interval_usecs, int total_usecs_to_wait); + + /* clears async request communication channel */ + void clear () { + _xthread.drain (); + } + + CrossThreadChannel& xthread() { + return _xthread; + } + + /* Not selectable; use ios() */ + int selectable() const { return -1; } + void set_timer (boost::function&); static void set_process_thread (pthread_t); static pthread_t get_process_thread () { return _process_thread; } static bool is_process_thread(); - private: + private: bool _currently_in_cycle; MIDI::timestamp_t _last_write_timestamp; + bool have_timer; + boost::function timer; RingBuffer< Evoral::Event > output_fifo; - Evoral::EventRingBuffer input_fifo; - Glib::Threads::Mutex output_fifo_lock; - CrossThreadChannel xthread; + EventRingBuffer input_fifo; + Glib::Threads::Mutex output_fifo_lock; + CrossThreadChannel _xthread; + + int create_port (); + + /** Channel used to signal to the MidiControlUI that input has arrived */ + + std::string _connections; + PBD::ScopedConnection connect_connection; + PBD::ScopedConnection halt_connection; + void flush (void* jack_port_buffer); + void jack_halted (); + void make_connections (); + void init (std::string const &, Flags); - void flush_output_fifo (pframes_t); + void flush_output_fifo (pframes_t); static pthread_t _process_thread; };