X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fbackends%2Fjack%2Fjack_audiobackend.cc;h=62ed00952b152374206be71098ec396ed1849a3d;hb=3020b224fa2d6e1b6b8a576e8e8e211e0585f2a2;hp=d4e2f310d3e78478d7e5135a1e034ca1cfdff277;hpb=57d24608e7e92f1f97332fc87921218c4f9fc8ec;p=ardour.git diff --git a/libs/backends/jack/jack_audiobackend.cc b/libs/backends/jack/jack_audiobackend.cc index d4e2f310d3..62ed00952b 100644 --- a/libs/backends/jack/jack_audiobackend.cc +++ b/libs/backends/jack/jack_audiobackend.cc @@ -37,6 +37,7 @@ #include "jack_audiobackend.h" #include "jack_connection.h" #include "jack_utils.h" +#include "jack_session.h" #include "i18n.h" @@ -45,6 +46,7 @@ using namespace PBD; using std::string; using std::vector; + #define GET_PRIVATE_JACK_POINTER(localvar) jack_client_t* localvar = _jack_connection->jack(); if (!(localvar)) { return; } #define GET_PRIVATE_JACK_POINTER_RET(localvar,r) jack_client_t* localvar = _jack_connection->jack(); if (!(localvar)) { return r; } @@ -63,6 +65,7 @@ JACKAudioBackend::JACKAudioBackend (AudioEngine& e, boost::shared_ptrConnected.connect_same_thread (jack_connection_connection, boost::bind (&JACKAudioBackend::when_connected_to_jack, this)); _jack_connection->Disconnected.connect_same_thread (disconnect_connection, boost::bind (&JACKAudioBackend::disconnected, this, _1)); @@ -152,11 +155,11 @@ JACKAudioBackend::enumerate_devices () const } vector -JACKAudioBackend::available_sample_rates (const string& /*device*/) const +JACKAudioBackend::available_sample_rates (const string& device) const { vector f; - if (available()) { + if (device == _target_device && available()) { f.push_back (sample_rate()); return f; } @@ -180,11 +183,11 @@ JACKAudioBackend::available_sample_rates (const string& /*device*/) const } vector -JACKAudioBackend::available_buffer_sizes (const string& /*device*/) const +JACKAudioBackend::available_buffer_sizes (const string& device) const { vector s; - - if (available()) { + + if (device == _target_device && available()) { s.push_back (buffer_size()); return s; } @@ -406,6 +409,12 @@ JACKAudioBackend::interleaved () const return false; } +string +JACKAudioBackend::midi_option () const +{ + return _target_midi_option; +} + uint32_t JACKAudioBackend::input_channels () const { @@ -462,7 +471,7 @@ JACKAudioBackend::raw_buffer_size(DataType t) } void -JACKAudioBackend::setup_jack_startup_command () +JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement) { /* first we map the parameters that have been set onto a * JackCommandLineOptions object. @@ -487,6 +496,8 @@ JACKAudioBackend::setup_jack_startup_command () options.realtime = true; options.ports_max = 2048; + ARDOUR::set_midi_option (options, _target_midi_option); + /* this must always be true for any server instance we start ourselves */ @@ -494,10 +505,11 @@ JACKAudioBackend::setup_jack_startup_command () string cmdline; - if (!get_jack_command_line_string (options, cmdline)) { + if (!get_jack_command_line_string (options, cmdline, for_latency_measurement)) { /* error, somehow - we will still try to start JACK * automatically but it will be without our preferred options */ + std::cerr << "get_jack_command_line_string () failed: using default settings." << std::endl; return; } @@ -509,12 +521,15 @@ JACKAudioBackend::setup_jack_startup_command () /* ---- BASIC STATE CONTROL API: start/stop/pause/freewheel --- */ int -JACKAudioBackend::start () +JACKAudioBackend::_start (bool for_latency_measurement) { if (!available()) { - if (!_jack_connection->server_running()) { - setup_jack_startup_command (); + if (_jack_connection->in_control()) { + /* we will be starting JACK, so set up the + command that JACK will use when it (auto-)starts + */ + setup_jack_startup_command (for_latency_measurement); } if (_jack_connection->open ()) { @@ -532,8 +547,11 @@ JACKAudioBackend::start () /* Now that we have buffer size and sample rate established, the engine can go ahead and do its stuff */ - - engine.reestablish_ports (); + + if (engine.reestablish_ports ()) { + error << _("Could not re-establish ports after connecting to JACK") << endmsg; + return -1; + } if (!jack_port_type_get_buffer_size) { warning << _("This version of JACK is old - you should upgrade to a newer version that supports jack_port_type_get_buffer_size()") << endmsg; @@ -567,18 +585,6 @@ JACKAudioBackend::stop () return 0; } -int -JACKAudioBackend::pause () -{ - GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); - - if (_priv_jack) { - jack_deactivate (_priv_jack); - } - - return 0; -} - int JACKAudioBackend::freewheel (bool onoff) { @@ -591,7 +597,7 @@ JACKAudioBackend::freewheel (bool onoff) } if (jack_set_freewheel (_priv_jack, onoff) == 0) { - _freewheeling = true; + _freewheeling = onoff; return 0; } @@ -744,7 +750,8 @@ JACKAudioBackend::jack_timebase_callback (jack_transport_state_t state, pframes_ ARDOUR::Session* session = engine.session(); if (session) { - session->jack_timebase_callback (state, nframes, pos, new_position); + JACKSession jsession (session); + jsession.timebase_callback (state, nframes, pos, new_position); } } @@ -758,11 +765,9 @@ int JACKAudioBackend::jack_sync_callback (jack_transport_state_t state, jack_position_t* pos) { TransportState tstate; + bool tstate_valid = true; switch (state) { - case JackTransportStopped: - tstate = TransportStopped; - break; case JackTransportRolling: tstate = TransportRolling; break; @@ -772,9 +777,18 @@ JACKAudioBackend::jack_sync_callback (jack_transport_state_t state, jack_positio case JackTransportStarting: tstate = TransportStarting; break; + case JackTransportStopped: + tstate = TransportStopped; + break; + default: + // ignore "unofficial" states like JackTransportNetStarting (jackd2) + tstate_valid = false; + break; } - return engine.sync_callback (tstate, pos->frame); + if (tstate_valid) { + return engine.sync_callback (tstate, pos->frame); + } return true; } @@ -789,7 +803,6 @@ JACKAudioBackend::_xrun_callback (void *arg) return 0; } -#ifdef HAVE_JACK_SESSION void JACKAudioBackend::_session_callback (jack_session_event_t *event, void *arg) { @@ -797,10 +810,10 @@ JACKAudioBackend::_session_callback (jack_session_event_t *event, void *arg) ARDOUR::Session* session = jab->engine.session(); if (session) { - session->jack_session_event (event); + JACKSession jsession (session); + jsession.session_event (event); } } -#endif void JACKAudioBackend::_freewheel_callback (int onoff, void *arg) @@ -822,25 +835,72 @@ JACKAudioBackend::_latency_callback (jack_latency_callback_mode_t mode, void* ar } int -JACKAudioBackend::create_process_thread (boost::function f, pthread_t* thread, size_t stacksize) +JACKAudioBackend::create_process_thread (boost::function f) { GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); - ThreadData* td = new ThreadData (this, f, stacksize); - if (jack_client_create_thread (_priv_jack, thread, jack_client_real_time_priority (_priv_jack), + jack_native_thread_t thread_id; + ThreadData* td = new ThreadData (this, f, thread_stack_size()); + + if (jack_client_create_thread (_priv_jack, &thread_id, jack_client_real_time_priority (_priv_jack), jack_is_realtime (_priv_jack), _start_process_thread, td)) { return -1; } - return 0; + _jack_threads.push_back(thread_id); + return 0; } int -JACKAudioBackend::wait_for_process_thread_exit (AudioBackendNativeThread thr) +JACKAudioBackend::join_process_threads () +{ + GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); + + int ret = 0; + + for (std::vector::const_iterator i = _jack_threads.begin (); + i != _jack_threads.end(); i++) { + +#if defined(USING_JACK2_EXPANSION_OF_JACK_API) || defined(PLATFORM_WINDOWS) + if (jack_client_stop_thread (_priv_jack, *i) != 0) { +#else + void* status; + if (pthread_join (*i, &status) != 0) { +#endif + error << "AudioEngine: cannot stop process thread" << endmsg; + ret += -1; + } + } + + _jack_threads.clear(); + + return ret; +} + +bool +JACKAudioBackend::in_process_thread () +{ + for (std::vector::const_iterator i = _jack_threads.begin (); + i != _jack_threads.end(); i++) { + +#ifdef COMPILER_MINGW + if (*i == GetCurrentThread()) { + return true; + } +#else // pthreads + if (pthread_equal (*i, pthread_self()) != 0) { + return true; + } +#endif + } + + return false; +} + +uint32_t +JACKAudioBackend::process_thread_count () { - void* status; - /* this doesn't actively try to stop the thread, it just waits till it exits */ - return pthread_join (thr, &status); + return _jack_threads.size(); } void* @@ -962,7 +1022,7 @@ JACKAudioBackend::disconnected (const char* why) } float -JACKAudioBackend::cpu_load() const +JACKAudioBackend::dsp_load() const { GET_PRIVATE_JACK_POINTER_RET(_priv_jack,0); return jack_cpu_load (_priv_jack); @@ -1034,6 +1094,8 @@ JACKAudioBackend::control_app_name () const appname = "hdspconf"; } else if (_target_device == "M Audio Delta 1010") { appname = "mudita24"; + } else if (_target_device == "M2496") { + appname = "mudita24"; } } } else { @@ -1057,3 +1119,59 @@ JACKAudioBackend::launch_control_app () args.push_back (appname); Glib::spawn_async ("", args, Glib::SPAWN_SEARCH_PATH); } + +vector +JACKAudioBackend::enumerate_midi_options () const +{ + return ARDOUR::enumerate_midi_options (); +} + +int +JACKAudioBackend::set_midi_option (const string& opt) +{ + _target_midi_option = opt; + return 0; +} + +bool +JACKAudioBackend::speed_and_position (double& speed, framepos_t& position) +{ + jack_position_t pos; + jack_transport_state_t state; + bool starting; + + /* this won't be called if the port engine in use is not JACK, so we do + not have to worry about the type of PortEngine::private_handle() + */ + + speed = 0; + position = 0; + + GET_PRIVATE_JACK_POINTER_RET (_priv_jack, true); + + state = jack_transport_query (_priv_jack, &pos); + + switch (state) { + case JackTransportStopped: + speed = 0; + starting = false; + break; + case JackTransportRolling: + speed = 1.0; + starting = false; + break; + case JackTransportLooping: + speed = 1.0; + starting = false; + break; + case JackTransportStarting: + starting = true; + // don't adjust speed here, just leave it as it was + break; + default: + std::cerr << "WARNING: Unknown JACK transport state: " << state << std::endl; + } + + position = pos.frame; + return starting; +}