X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Faudioengine.cc;h=004ba33a6e235e4bc98731cee347d927ff5bf765;hb=80d9eaf96cd00f3084d18c32b4b31aabda0e6737;hp=69155f54b34bc15d99a595b4dbd3312a277d3853;hpb=6a999b8287ce5de8f54b3596859e5963928d18c6;p=ardour.git diff --git a/libs/ardour/audioengine.cc b/libs/ardour/audioengine.cc index 69155f54b3..004ba33a6e 100644 --- a/libs/ardour/audioengine.cc +++ b/libs/ardour/audioengine.cc @@ -34,27 +34,20 @@ #include #include "midi++/port.h" +#include "midi++/jack_midi_port.h" #include "midi++/mmc.h" #include "midi++/manager.h" -#include "ardour/amp.h" #include "ardour/audio_port.h" #include "ardour/audioengine.h" #include "ardour/buffer.h" -#include "ardour/buffer_set.h" #include "ardour/cycle_timer.h" -#include "ardour/event_type_map.h" -#include "ardour/internal_return.h" #include "ardour/internal_send.h" -#include "ardour/io.h" #include "ardour/meter.h" #include "ardour/midi_port.h" -#include "ardour/process_thread.h" #include "ardour/port.h" -#include "ardour/port_set.h" +#include "ardour/process_thread.h" #include "ardour/session.h" -#include "ardour/timestamps.h" -#include "ardour/utils.h" #include "i18n.h" @@ -69,25 +62,26 @@ AudioEngine* AudioEngine::_instance = 0; #define GET_PRIVATE_JACK_POINTER_RET(j,r) jack_client_t* _priv_jack = (jack_client_t*) (j); if (!_priv_jack) { return r; } AudioEngine::AudioEngine (string client_name, string session_uuid) - : ports (new Ports) + : _jack (0) + , session_remove_pending (false) + , session_removal_countdown (-1) + , _running (false) + , _has_run (false) + , _buffer_size (0) + , _frame_rate (0) + , monitor_check_interval (INT32_MAX) + , last_monitor_check (0) + , _processed_frames (0) + , _freewheeling (false) + , _pre_freewheel_mmc_enabled (false) + , _usecs_per_cycle (0) + , port_remove_in_progress (false) + , m_meter_thread (0) + , _main_thread (0) + , ports (new Ports) { _instance = this; /* singleton */ - session_remove_pending = false; - _running = false; - _has_run = false; - last_monitor_check = 0; - monitor_check_interval = INT32_MAX; - _processed_frames = 0; - _usecs_per_cycle = 0; - _jack = 0; - _frame_rate = 0; - _buffer_size = 0; - _freewheeling = false; - _main_thread = 0; - port_remove_in_progress = false; - - m_meter_thread = 0; g_atomic_int_set (&m_meter_exit, 0); if (connect_to_jack (client_name, session_uuid)) { @@ -132,7 +126,7 @@ _thread_init_callback (void * /*arg*/) SessionEvent::create_per_thread_pool (X_("Audioengine"), 512); - MIDI::Port::set_process_thread (pthread_self()); + MIDI::JackMIDIPort::set_process_thread (pthread_self()); } static void @@ -232,7 +226,7 @@ AudioEngine::stop (bool forever) } else { jack_deactivate (_priv_jack); Stopped(); /* EMIT SIGNAL */ - MIDI::Port::JackHalted (); /* EMIT SIGNAL */ + MIDI::JackMIDIPort::JackHalted (); /* EMIT SIGNAL */ } } @@ -316,13 +310,13 @@ AudioEngine::_xrun_callback (void *arg) void AudioEngine::_session_callback (jack_session_event_t *event, void *arg) { - printf( "helo.... " ); AudioEngine* ae = static_cast (arg); if (ae->connected()) { ae->JackSessionEvent ( event ); /* EMIT SIGNAL */ } } #endif + int AudioEngine::_graph_order_callback (void *arg) { @@ -344,7 +338,20 @@ AudioEngine::_process_thread (void *arg) void AudioEngine::_freewheel_callback (int onoff, void *arg) { - static_cast(arg)->_freewheeling = onoff; + static_cast(arg)->freewheel_callback (onoff); +} + +void +AudioEngine::freewheel_callback (int onoff) +{ + _freewheeling = onoff; + + if (onoff) { + _pre_freewheel_mmc_enabled = MIDI::Manager::instance()->mmc()->send_enabled (); + MIDI::Manager::instance()->mmc()->enable_send (false); + } else { + MIDI::Manager::instance()->mmc()->enable_send (_pre_freewheel_mmc_enabled); + } } void @@ -462,18 +469,57 @@ AudioEngine::process_callback (pframes_t nframes) next_processed_frames = _processed_frames + nframes; } - if (!tm.locked() || _session == 0) { + if (!tm.locked()) { /* return having done nothing */ _processed_frames = next_processed_frames; return 0; } if (session_remove_pending) { + /* perform the actual session removal */ - _session = 0; - session_remove_pending = false; - session_removed.signal(); + + if (session_removal_countdown < 0) { + + /* fade out over 1 second */ + session_removal_countdown = _frame_rate/2; + session_removal_gain = 1.0; + session_removal_gain_step = 1.0/session_removal_countdown; + + } else if (session_removal_countdown > 0) { + + /* we'll be fading audio out. + + if this is the last time we do this as part + of session removal, do a MIDI panic now + to get MIDI stopped. This relies on the fact + that "immediate data" (aka "out of band data") from + MIDI tracks is *appended* after any other data, + so that it emerges after any outbound note ons, etc. + */ + + if (session_removal_countdown <= nframes) { + _session->midi_panic (); + } + + } else { + /* fade out done */ + _session = 0; + session_removal_countdown = -1; // reset to "not in progress" + session_remove_pending = false; + session_removed.signal(); // wakes up thread that initiated session removal + } + } + + if (_session == 0) { + + if (!_freewheeling) { + MIDI::Manager::instance()->cycle_start(nframes); + MIDI::Manager::instance()->cycle_end(); + } + _processed_frames = next_processed_frames; + return 0; } @@ -504,9 +550,13 @@ AudioEngine::process_callback (pframes_t nframes) } } else { + MIDI::Manager::instance()->cycle_start(nframes); + if (_session) { _session->process (nframes); } + + MIDI::Manager::instance()->cycle_end(); } if (_freewheeling) { @@ -539,8 +589,6 @@ AudioEngine::process_callback (pframes_t nframes) if (_session->silent()) { - boost::shared_ptr p = ports.reader(); - for (Ports::iterator i = p->begin(); i != p->end(); ++i) { if (i->second->sends_output()) { @@ -549,6 +597,34 @@ AudioEngine::process_callback (pframes_t nframes) } } + if (session_remove_pending && session_removal_countdown) { + + for (Ports::iterator i = p->begin(); i != p->end(); ++i) { + + if (i->second->sends_output()) { + + boost::shared_ptr ap = boost::dynamic_pointer_cast (i->second); + if (ap) { + Sample* s = ap->engine_get_whole_audio_buffer (); + gain_t g = session_removal_gain; + + for (pframes_t n = 0; n < nframes; ++n) { + *s++ *= g; + g -= session_removal_gain_step; + } + } + } + } + + if (session_removal_countdown > nframes) { + session_removal_countdown -= nframes; + } else { + session_removal_countdown = 0; + } + + session_removal_gain -= (nframes * session_removal_gain_step); + } + // Finalize ports for (Ports::iterator i = p->begin(); i != p->end(); ++i) { @@ -762,7 +838,7 @@ AudioEngine::port_registration_failure (const std::string& portname) if (p) { reason = string_compose (_("a port with the name \"%1\" already exists: check for duplicated track/bus names"), portname); } else { - reason = string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with ports if you need this many tracks."), PROGRAM_NAME); + reason = string_compose (_("No more JACK ports are available. You will need to stop %1 and restart JACK with more ports if you need this many tracks."), PROGRAM_NAME); } throw PortRegistrationFailure (string_compose (_("AudioEngine: cannot register port \"%1\": %2"), portname, reason).c_str()); @@ -1079,7 +1155,7 @@ AudioEngine::halted (void *arg) if (was_running) { ae->Halted(""); /* EMIT SIGNAL */ - MIDI::Port::JackHalted (); /* EMIT SIGNAL */ + MIDI::JackMIDIPort::JackHalted (); /* EMIT SIGNAL */ } } @@ -1273,9 +1349,7 @@ AudioEngine::connect_to_jack (string client_name, string session_uuid) { EnvironmentalProtectionAgency* global_epa = EnvironmentalProtectionAgency::get_global_epa (); boost::scoped_ptr current_epa; - jack_options_t options = JackNullOption; jack_status_t status; - const char *server_name = NULL; /* revert all environment settings back to whatever they were when ardour started */ @@ -1291,7 +1365,7 @@ AudioEngine::connect_to_jack (string client_name, string session_uuid) _jack = jack_client_open (jack_client_name.c_str(), JackSessionID, &status, session_uuid.c_str()); else #endif - _jack = jack_client_open (jack_client_name.c_str(), options, &status, server_name); + _jack = jack_client_open (jack_client_name.c_str(), JackNullOption, &status, 0); if (_jack == NULL) { // error message is not useful here @@ -1329,7 +1403,7 @@ AudioEngine::disconnect_from_jack () if (_running) { _running = false; Stopped(); /* EMIT SIGNAL */ - MIDI::Port::JackHalted (); /* EMIT SIGNAL */ + MIDI::JackMIDIPort::JackHalted (); /* EMIT SIGNAL */ } return 0;