#include "ardour/mtdm.h"
#include "ardour/port.h"
#include "ardour/process_thread.h"
+#include "ardour/rc_configuration.h"
#include "ardour/session.h"
+#include "ardour/transport_master_manager.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
, _freewheeling (false)
, monitor_check_interval (INT32_MAX)
, last_monitor_check (0)
- , _processed_frames (0)
+ , _processed_samples (-1)
, m_meter_thread (0)
, _main_thread (0)
, _mtdm (0)
, _measuring_latency (MeasureNone)
, _latency_input_port (0)
, _latency_output_port (0)
- , _latency_flush_frames (0)
+ , _latency_flush_samples (0)
, _latency_signal_latency (0)
, _stopped_for_latency (false)
, _started_for_latency (false)
, _in_destructor (false)
, _last_backend_error_string(AudioBackend::get_error_string((AudioBackend::ErrorCode)-1))
- , _hw_reset_event_thread(0)
- , _hw_reset_request_count(0)
- , _stop_hw_reset_processing(0)
- , _hw_devicelist_update_thread(0)
- , _hw_devicelist_update_count(0)
- , _stop_hw_devicelist_processing(0)
+ , _hw_reset_event_thread(0)
+ , _hw_reset_request_count(0)
+ , _stop_hw_reset_processing(0)
+ , _hw_devicelist_update_thread(0)
+ , _hw_devicelist_update_count(0)
+ , _stop_hw_devicelist_processing(0)
#ifdef SILENCE_AFTER_SECONDS
, _silence_countdown (0)
, _silence_hit_cnt (0)
last_monitor_check = 0;
if (_session) {
- _session->set_frame_rate (nframes);
+ _session->set_sample_rate (nframes);
}
SampleRateChanged (nframes); /* EMIT SIGNAL */
}
/** Method called by our ::process_thread when there is work to be done.
- * @param nframes Number of frames to process.
+ * @param nframes Number of samples to process.
*/
#ifdef __clang__
__attribute__((annotate("realtime")))
AudioEngine::process_callback (pframes_t nframes)
{
Glib::Threads::Mutex::Lock tm (_process_lock, Glib::Threads::TRY_LOCK);
+ Port::set_speed_ratio (1.0);
PT_TIMING_REF;
PT_TIMING_CHECK (1);
- /// The number of frames that will have been processed when we've finished
- pframes_t next_processed_frames;
+ /// The number of samples that will have been processed when we've finished
+ pframes_t next_processed_samples;
- /* handle wrap around of total frames counter */
+ if (_processed_samples < 0) {
+ _processed_samples = sample_time();
+ cerr << "IIIIINIT PS to " << _processed_samples << endl;
+ }
+
+ /* handle wrap around of total samples counter */
- if (max_framepos - _processed_frames < nframes) {
- next_processed_frames = nframes - (max_framepos - _processed_frames);
+ if (max_samplepos - _processed_samples < nframes) {
+ next_processed_samples = nframes - (max_samplepos - _processed_samples);
} else {
- next_processed_frames = _processed_frames + nframes;
+ next_processed_samples = _processed_samples + nframes;
}
if (!tm.locked()) {
PortManager::cycle_end (nframes);
return_after_remove_check = true;
- } else if (_latency_flush_frames) {
+ } else if (_latency_flush_samples) {
/* wait for the appropriate duration for the MTDM signal to
* drain from the ports before we revert to normal behaviour.
PortManager::silence (nframes);
PortManager::cycle_end (nframes);
- if (_latency_flush_frames > nframes) {
- _latency_flush_frames -= nframes;
- } else {
- _latency_flush_frames = 0;
- }
+ if (_latency_flush_samples > nframes) {
+ _latency_flush_samples -= nframes;
+ } else {
+ _latency_flush_samples = 0;
+ }
return_after_remove_check = true;
}
return 0;
}
+ TransportMasterManager& tmm (TransportMasterManager::instance());
+
+ /* make sure the TMM is up to date about the current session */
+
+ if (_session != tmm.session()) {
+ tmm.set_session (_session);
+ }
+
if (_session == 0) {
if (!_freewheeling) {
- PortManager::cycle_start (nframes);
- PortManager::cycle_end (nframes);
+ PortManager::silence_outputs (nframes);
}
- _processed_frames = next_processed_frames;
+ _processed_samples = next_processed_samples;
return 0;
}
+ if (!_freewheeling || Freewheel.empty()) {
+ const double engine_speed = tmm.pre_process_transport_masters (nframes, sample_time_at_cycle_start());
+ Port::set_speed_ratio (engine_speed);
+ DEBUG_TRACE (DEBUG::Slave, string_compose ("transport master (current=%1) gives speed %2 (ports using %3)\n", tmm.current() ? tmm.current()->name() : string("[]"), engine_speed, Port::speed_ratio()));
+ }
+
/* tell all relevant objects that we're starting a new cycle */
InternalSend::CycleStart (nframes);
/* tell all Ports that we're starting a new cycle */
- PortManager::cycle_start (nframes);
+ PortManager::cycle_start (nframes, _session);
/* test if we are freewheeling and there are freewheel signals connected.
- ardour should act normally even when freewheeling unless /it/ is
- exporting (which is what Freewheel.empty() tests for).
- */
+ * ardour should act normally even when freewheeling unless /it/ is
+ * exporting (which is what Freewheel.empty() tests for).
+ */
if (_freewheeling && !Freewheel.empty()) {
Freewheel (nframes);
} else {
- _session->process (nframes);
+ if (Port::cycle_nframes () <= nframes) {
+ _session->process (Port::cycle_nframes ());
+ } else {
+ pframes_t remain = Port::cycle_nframes ();
+ while (remain > 0) {
+ pframes_t nf = std::min (remain, nframes);
+ _session->process (nf);
+ remain -= nf;
+ if (remain > 0) {
+ split_cycle (nf);
+ }
+ }
+ }
}
if (_freewheeling) {
- PortManager::cycle_end (nframes);
+ PortManager::cycle_end (nframes, _session);
return 0;
}
if (!_running) {
- _processed_frames = next_processed_frames;
+ _processed_samples = next_processed_samples;
return 0;
}
- if (last_monitor_check + monitor_check_interval < next_processed_frames) {
+ if (last_monitor_check + monitor_check_interval < next_processed_samples) {
PortManager::check_monitoring ();
- last_monitor_check = next_processed_frames;
+ last_monitor_check = next_processed_samples;
}
#ifdef SILENCE_AFTER_SECONDS
if (session_remove_pending && session_removal_countdown) {
- PortManager::fade_out (session_removal_gain, session_removal_gain_step, nframes);
+ PortManager::cycle_end_fade_out (session_removal_gain, session_removal_gain_step, nframes, _session);
if (session_removal_countdown > nframes) {
session_removal_countdown -= nframes;
}
session_removal_gain -= (nframes * session_removal_gain_step);
+ } else {
+ PortManager::cycle_end (nframes, _session);
}
- PortManager::cycle_end (nframes);
-
- _processed_frames = next_processed_frames;
+ _processed_samples = next_processed_samples;
PT_TIMING_CHECK (2);
void
AudioEngine::request_backend_reset()
{
- Glib::Threads::Mutex::Lock guard (_reset_request_lock);
- g_atomic_int_inc (&_hw_reset_request_count);
- _hw_reset_condition.signal ();
+ Glib::Threads::Mutex::Lock guard (_reset_request_lock);
+ g_atomic_int_inc (&_hw_reset_request_count);
+ _hw_reset_condition.signal ();
}
int
Glib::Threads::RecMutex::Lock pl (_state_lock);
g_atomic_int_dec_and_test (&_hw_reset_request_count);
- std::cout << "AudioEngine::RESET::Reset request processing. Requests left: " << _hw_reset_request_count << std::endl;
- DeviceResetStarted(); // notify about device reset to be started
+ std::cout << "AudioEngine::RESET::Reset request processing. Requests left: " << _hw_reset_request_count << std::endl;
+ DeviceResetStarted(); // notify about device reset to be started
- // backup the device name
- std::string name = _backend->device_name ();
+ // backup the device name
+ std::string name = _backend->device_name ();
- std::cout << "AudioEngine::RESET::Reseting device..." << std::endl;
+ std::cout << "AudioEngine::RESET::Reseting device..." << std::endl;
if ( ( 0 == stop () ) &&
- ( 0 == _backend->reset_device () ) &&
- ( 0 == start () ) ) {
+ ( 0 == _backend->reset_device () ) &&
+ ( 0 == start () ) ) {
std::cout << "AudioEngine::RESET::Engine started..." << std::endl;
// inform about possible changes
BufferSizeChanged (_backend->buffer_size() );
- DeviceResetFinished(); // notify about device reset finish
+ DeviceResetFinished(); // notify about device reset finish
- } else {
+ } else {
- DeviceResetFinished(); // notify about device reset finish
+ DeviceResetFinished(); // notify about device reset finish
// we've got an error
- DeviceError();
+ DeviceError();
}
std::cout << "AudioEngine::RESET::Done." << std::endl;
}
}
}
+
void
AudioEngine::request_device_list_update()
{
- Glib::Threads::Mutex::Lock guard (_devicelist_update_lock);
- g_atomic_int_inc (&_hw_devicelist_update_count);
- _hw_devicelist_update_condition.signal ();
+ Glib::Threads::Mutex::Lock guard (_devicelist_update_lock);
+ g_atomic_int_inc (&_hw_devicelist_update_count);
+ _hw_devicelist_update_condition.signal ();
}
-
void
AudioEngine::do_devicelist_update()
{
- SessionEvent::create_per_thread_pool (X_("Device list update processing thread"), 512);
+ SessionEvent::create_per_thread_pool (X_("Device list update processing thread"), 512);
- Glib::Threads::Mutex::Lock guard (_devicelist_update_lock);
+ Glib::Threads::Mutex::Lock guard (_devicelist_update_lock);
- while (!_stop_hw_devicelist_processing) {
+ while (!_stop_hw_devicelist_processing) {
- if (_hw_devicelist_update_count) {
+ if (g_atomic_int_get (&_hw_devicelist_update_count)) {
- _devicelist_update_lock.unlock();
+ _devicelist_update_lock.unlock();
- Glib::Threads::RecMutex::Lock pl (_state_lock);
+ Glib::Threads::RecMutex::Lock pl (_state_lock);
- g_atomic_int_dec_and_test (&_hw_devicelist_update_count);
- DeviceListChanged (); /* EMIT SIGNAL */
+ g_atomic_int_dec_and_test (&_hw_devicelist_update_count);
+ DeviceListChanged (); /* EMIT SIGNAL */
- _devicelist_update_lock.lock();
+ _devicelist_update_lock.lock();
- } else {
- _hw_devicelist_update_condition.wait (_devicelist_update_lock);
- }
- }
+ } else {
+ _hw_devicelist_update_condition.wait (_devicelist_update_lock);
+ }
+ }
}
void
AudioEngine::start_hw_event_processing()
{
- if (_hw_reset_event_thread == 0) {
- g_atomic_int_set(&_hw_reset_request_count, 0);
- g_atomic_int_set(&_stop_hw_reset_processing, 0);
- _hw_reset_event_thread = Glib::Threads::Thread::create (boost::bind (&AudioEngine::do_reset_backend, this));
- }
+ if (_hw_reset_event_thread == 0) {
+ g_atomic_int_set(&_hw_reset_request_count, 0);
+ g_atomic_int_set(&_stop_hw_reset_processing, 0);
+ _hw_reset_event_thread = Glib::Threads::Thread::create (boost::bind (&AudioEngine::do_reset_backend, this));
+ }
- if (_hw_devicelist_update_thread == 0) {
- g_atomic_int_set(&_hw_devicelist_update_count, 0);
- g_atomic_int_set(&_stop_hw_devicelist_processing, 0);
- _hw_devicelist_update_thread = Glib::Threads::Thread::create (boost::bind (&AudioEngine::do_devicelist_update, this));
- }
+ if (_hw_devicelist_update_thread == 0) {
+ g_atomic_int_set(&_hw_devicelist_update_count, 0);
+ g_atomic_int_set(&_stop_hw_devicelist_processing, 0);
+ _hw_devicelist_update_thread = Glib::Threads::Thread::create (boost::bind (&AudioEngine::do_devicelist_update, this));
+ }
}
void
AudioEngine::stop_hw_event_processing()
{
- if (_hw_reset_event_thread) {
- g_atomic_int_set(&_stop_hw_reset_processing, 1);
- g_atomic_int_set(&_hw_reset_request_count, 0);
- _hw_reset_condition.signal ();
- _hw_reset_event_thread->join ();
- _hw_reset_event_thread = 0;
- }
-
- if (_hw_devicelist_update_thread) {
- g_atomic_int_set(&_stop_hw_devicelist_processing, 1);
- g_atomic_int_set(&_hw_devicelist_update_count, 0);
- _hw_devicelist_update_condition.signal ();
- _hw_devicelist_update_thread->join ();
- _hw_devicelist_update_thread = 0;
- }
+ if (_hw_reset_event_thread) {
+ g_atomic_int_set(&_stop_hw_reset_processing, 1);
+ g_atomic_int_set(&_hw_reset_request_count, 0);
+ _hw_reset_condition.signal ();
+ _hw_reset_event_thread->join ();
+ _hw_reset_event_thread = 0;
+ }
+ if (_hw_devicelist_update_thread) {
+ g_atomic_int_set(&_stop_hw_devicelist_processing, 1);
+ g_atomic_int_set(&_hw_devicelist_update_count, 0);
+ _hw_devicelist_update_condition.signal ();
+ _hw_devicelist_update_thread->join ();
+ _hw_devicelist_update_thread = 0;
+ }
}
-
void
AudioEngine::set_session (Session *s)
{
return info;
}
+#ifdef NDEBUG
+static bool running_from_source_tree ()
+{
+ // dup ARDOUR_UI_UTILS::running_from_source_tree ()
+ gchar const *x = g_getenv ("ARDOUR_THEMES_PATH");
+ return x && (string (x).find ("gtk2_ardour") != string::npos);
+}
+#endif
+
vector<const AudioBackendInfo*>
AudioEngine::available_backends() const
{
vector<const AudioBackendInfo*> r;
for (BackendMap::const_iterator i = _backends.begin(); i != _backends.end(); ++i) {
+#ifdef NDEBUG
+ if (i->first == "None (Dummy)" && !running_from_source_tree () && Config->get_hide_dummy_backend ()) {
+ continue;
+ }
+#endif
r.push_back (i->second);
}
return 0;
}
- _processed_frames = 0;
+ _processed_samples = 0;
last_monitor_check = 0;
int error_code = _backend->start (for_latency);
if (error_code != 0) {
- _last_backend_error_string =
- AudioBackend::get_error_string((AudioBackend::ErrorCode)error_code);
+ _last_backend_error_string = AudioBackend::get_error_string((AudioBackend::ErrorCode) error_code);
return -1;
}
_running = true;
if (_session) {
- _session->set_frame_rate (_backend->sample_rate());
+ _session->set_sample_rate (_backend->sample_rate());
if (_session->config.get_jack_time_master()) {
_backend->set_time_master (true);
}
+ /* XXX MIDI ports may not actually be available here yet .. */
+
+ PortManager::fill_midi_port_info ();
+
if (!for_latency) {
Running(); /* EMIT SIGNAL */
}
if (for_latency && _backend->can_change_systemic_latency_when_running()) {
stop_engine = false;
+ if (_running) {
+ _backend->start (false); // keep running, reload latencies
+ }
} else {
if (_backend->stop ()) {
- pl.release ();
+ if (pl.locked ()) {
+ pl.release ();
+ }
return -1;
}
}
pl.release ();
}
- if (_session && _running && stop_engine &&
+ const bool was_running_will_stop = (_running && stop_engine);
+
+ if (was_running_will_stop) {
+ _running = false;
+ }
+
+ if (_session && was_running_will_stop &&
(_session->state_of_the_state() & Session::Loading) == 0 &&
(_session->state_of_the_state() & Session::Deletion) == 0) {
// it's not a halt, but should be handled the same way:
_session->engine_halted ();
}
- if (stop_engine) {
- _running = false;
+ if (was_running_will_stop) {
+ if (!for_latency) {
+ _started_for_latency = false;
+ } else if (!_started_for_latency) {
+ _stopped_for_latency = true;
+ }
}
- _processed_frames = 0;
+ _processed_samples = 0;
_measuring_latency = MeasureNone;
_latency_output_port = 0;
_latency_input_port = 0;
- _started_for_latency = false;
if (stop_engine) {
Port::PortDrop ();
}
- if (!for_latency && stop_engine) {
+ if (stop_engine) {
Stopped (); /* EMIT SIGNAL */
}
return _backend->is_realtime();
}
-bool
-AudioEngine::connected() const
-{
- if (!_backend) {
- return false;
- }
-
- return _backend->available();
-}
-
void
AudioEngine::transport_start ()
{
}
void
-AudioEngine::transport_locate (framepos_t pos)
+AudioEngine::transport_locate (samplepos_t pos)
{
if (!_backend) {
return;
return _backend->transport_locate (pos);
}
-framepos_t
-AudioEngine::transport_frame()
+samplepos_t
+AudioEngine::transport_sample()
{
if (!_backend) {
return 0;
}
- return _backend->transport_frame ();
+ return _backend->transport_sample ();
}
-framecnt_t
+samplecnt_t
AudioEngine::sample_rate () const
{
if (!_backend) {
return _backend->raw_buffer_size (t);
}
-framepos_t
+samplepos_t
AudioEngine::sample_time ()
{
if (!_backend) {
return _backend->sample_time ();
}
-framepos_t
+samplepos_t
AudioEngine::sample_time_at_cycle_start ()
{
if (!_backend) {
bool
AudioEngine::thread_initialised_for_audio_processing ()
{
- return SessionEvent::has_per_thread_pool () && AsyncMIDIPort::is_process_thread();
+ return SessionEvent::has_per_thread_pool () && AsyncMIDIPort::is_process_thread();
}
/* END OF BACKEND PROXY API */
}
int
-AudioEngine::sync_callback (TransportState state, framepos_t position)
+AudioEngine::sync_callback (TransportState state, samplepos_t position)
{
if (_session) {
return _session->backend_sync_callback (state, position);
void
AudioEngine::latency_callback (bool for_playback)
{
- if (_session) {
- _session->update_latency (for_playback);
- }
+ if (_session) {
+ _session->update_latency (for_playback);
+ }
}
void
return -1;
}
+ if (running() && _started_for_latency) {
+ return 0;
+ }
+
if (_backend->can_change_systemic_latency_when_running()) {
- if (start()) {
+ if (_running) {
+ _backend->start (true); // zero latency reporting of running backend
+ } else if (start (true)) {
return -1;
}
- _backend->set_systemic_input_latency (0);
- _backend->set_systemic_output_latency (0);
+ _started_for_latency = true;
return 0;
}
if (running()) {
- _stopped_for_latency = true;
stop (true);
}
return -1;
}
_started_for_latency = true;
-
return 0;
}
_latency_signal_latency += lr.max;
/* all created and connected, lets go */
- _latency_flush_frames = samples_per_cycle();
+ _latency_flush_samples = samples_per_cycle();
_measuring_latency = for_midi ? MeasureMIDI : MeasureAudio;
return 0;
_latency_input_port = 0;
}
+ if (_running && _backend->can_change_systemic_latency_when_running()) {
+ if (_started_for_latency) {
+ _running = false; // force reload: reset latencies and emit Running()
+ start ();
+ }
+ }
+
+ if (_running && !_started_for_latency) {
+ assert (!_stopped_for_latency);
+ return;
+ }
+
if (!_backend->can_change_systemic_latency_when_running()) {
stop (true);
}
{
_latency_input_name = name;
}
+
+void
+AudioEngine::add_pending_port_deletion (Port* p)
+{
+ if (_session) {
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("adding %1 to pending port deletion list\n", p->name()));
+ if (_port_deletions_pending.write (&p, 1) != 1) {
+ error << string_compose (_("programming error: port %1 could not be placed on the pending deletion queue\n"), p->name()) << endmsg;
+ }
+ _session->auto_connect_thread_wakeup ();
+ } else {
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("Directly delete port %1\n", p->name()));
+ delete p;
+ }
+}
projects / ardour.git / blobdiff