X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fbackends%2Fjack%2Fjack_audiobackend.cc;h=8b9e4af1dda5926a62005795cbe741c092ffea2b;hb=c8c6bca6587450ff64303dbc994a4cd28d6ce7aa;hp=62ed00952b152374206be71098ec396ed1849a3d;hpb=6fc1f270137a06115a79c6089004174c5cab5ed7;p=ardour.git diff --git a/libs/backends/jack/jack_audiobackend.cc b/libs/backends/jack/jack_audiobackend.cc index 62ed00952b..8b9e4af1dd 100644 --- a/libs/backends/jack/jack_audiobackend.cc +++ b/libs/backends/jack/jack_audiobackend.cc @@ -27,9 +27,6 @@ #include "pbd/error.h" -#include "jack/jack.h" -#include "jack/thread.h" - #include "ardour/audioengine.h" #include "ardour/session.h" #include "ardour/types.h" @@ -39,7 +36,7 @@ #include "jack_utils.h" #include "jack_session.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; using namespace PBD; @@ -50,14 +47,14 @@ 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; } -JACKAudioBackend::JACKAudioBackend (AudioEngine& e, boost::shared_ptr jc) - : AudioBackend (e) +JACKAudioBackend::JACKAudioBackend (AudioEngine& e, AudioBackendInfo& info, boost::shared_ptr jc) + : AudioBackend (e, info) , _jack_connection (jc) , _running (false) , _freewheeling (false) , _target_sample_rate (48000) , _target_buffer_size (1024) - , _target_sample_format (FormatFloat) + , _target_num_periods (2) , _target_interleaved (false) , _target_input_channels (0) , _target_output_channels (0) @@ -76,7 +73,7 @@ JACKAudioBackend::~JACKAudioBackend() } string -JACKAudioBackend::name() const +JACKAudioBackend::name() const { return X_("JACK"); } @@ -130,8 +127,8 @@ JACKAudioBackend::enumerate_devices () const if (all_devices.find (_target_driver) == all_devices.end()) { all_devices.insert (make_pair (_target_driver, std::set())); } - - /* store every device we've found, by driver name. + + /* store every device we've found, by driver name. * * This is so we do not confuse ALSA, FFADO, netjack etc. devices * with each other. @@ -142,7 +139,7 @@ JACKAudioBackend::enumerate_devices () const for (vector::const_iterator d = currently_available.begin(); d != currently_available.end(); ++d) { all.insert (*d); } - + for (DeviceList::const_iterator d = all.begin(); d != all.end(); ++d) { if (find (currently_available.begin(), currently_available.end(), *d) == currently_available.end()) { statuses.push_back (DeviceStatus (*d, false)); @@ -150,7 +147,7 @@ JACKAudioBackend::enumerate_devices () const statuses.push_back (DeviceStatus (*d, false)); } } - + return statuses; } @@ -158,13 +155,13 @@ vector JACKAudioBackend::available_sample_rates (const string& device) const { vector f; - + if (device == _target_device && available()) { f.push_back (sample_rate()); return f; } - /* if JACK is not already running, just list a bunch of reasonable + /* if JACK is not already running, just list a bunch of reasonable values and let the future sort it all out. */ @@ -178,7 +175,7 @@ JACKAudioBackend::available_sample_rates (const string& device) const f.push_back (96000.0); f.push_back (192000.0); f.push_back (384000.0); - + return f; } @@ -186,7 +183,7 @@ vector JACKAudioBackend::available_buffer_sizes (const string& device) const { vector s; - + if (device == _target_device && available()) { s.push_back (buffer_size()); return s; @@ -207,6 +204,17 @@ JACKAudioBackend::available_buffer_sizes (const string& device) const return s; } +std::vector +JACKAudioBackend::available_period_sizes (const std::string& driver) const +{ + vector s; + if (ARDOUR::get_jack_audio_driver_supports_setting_period_count (driver)) { + s.push_back (2); + s.push_back (3); + } + return s; +} + uint32_t JACKAudioBackend::available_input_channel_count (const string& /*device*/) const { @@ -250,6 +258,16 @@ JACKAudioBackend::set_sample_rate (float sr) return -1; } +int +JACKAudioBackend::set_peridod_size (uint32_t nperiods) +{ + if (!available()) { + _target_num_periods = nperiods; + return 0; + } + return -1; +} + int JACKAudioBackend::set_buffer_size (uint32_t nframes) { @@ -267,18 +285,6 @@ JACKAudioBackend::set_buffer_size (uint32_t nframes) return jack_set_buffer_size (_priv_jack, nframes); } -int -JACKAudioBackend::set_sample_format (SampleFormat sf) -{ - /* as far as JACK clients are concerned, the hardware is always - * floating point format. - */ - if (sf == FormatFloat) { - return 0; - } - return -1; -} - int JACKAudioBackend::set_interleaved (bool yn) { @@ -302,7 +308,7 @@ JACKAudioBackend::set_input_channels (uint32_t cnt) } _target_input_channels = cnt; - + return 0; } @@ -355,7 +361,7 @@ JACKAudioBackend::device_name () const if (!_jack_connection->in_control()) { return "???"; // JACK has no way (as of fall 2013) to return // the device name - } + } return _target_device; } @@ -378,7 +384,7 @@ JACKAudioBackend::sample_rate () const if (available()) { return _current_sample_rate; } else { - return 0; + return _jack_connection->probed_sample_rate (); } } return _target_sample_rate; @@ -391,16 +397,16 @@ JACKAudioBackend::buffer_size () const if (available()) { return _current_buffer_size; } else { - return 0; + return _jack_connection->probed_buffer_size (); } } return _target_buffer_size; } -SampleFormat -JACKAudioBackend::sample_format () const +uint32_t +JACKAudioBackend::period_size () const { - return FormatFloat; + return _target_num_periods; } bool @@ -463,7 +469,7 @@ JACKAudioBackend::systemic_output_latency () const return _target_systemic_output_latency; } -size_t +size_t JACKAudioBackend::raw_buffer_size(DataType t) { std::map::const_iterator s = _raw_buffer_sizes.find(t); @@ -483,11 +489,16 @@ JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement) options.driver = _target_driver; options.samplerate = _target_sample_rate; options.period_size = _target_buffer_size; - options.num_periods = 2; + options.num_periods = _target_num_periods; options.input_device = _target_device; options.output_device = _target_device; - options.input_latency = _target_systemic_input_latency; - options.output_latency = _target_systemic_output_latency; + if (for_latency_measurement) { + options.input_latency = 0; + options.output_latency = 0; + } else { + options.input_latency = _target_systemic_input_latency; + options.output_latency = _target_systemic_output_latency; + } options.input_channels = _target_input_channels; options.output_channels = _target_output_channels; if (_target_sample_format == FormatInt16) { @@ -495,7 +506,7 @@ JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement) } 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 @@ -505,7 +516,7 @@ JACKAudioBackend::setup_jack_startup_command (bool for_latency_measurement) string cmdline; - if (!get_jack_command_line_string (options, cmdline, for_latency_measurement)) { + if (!get_jack_command_line_string (options, cmdline)) { /* error, somehow - we will still try to start JACK * automatically but it will be without our preferred options */ @@ -526,7 +537,7 @@ JACKAudioBackend::_start (bool for_latency_measurement) if (!available()) { if (_jack_connection->in_control()) { - /* we will be starting JACK, so set up the + /* 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); @@ -536,15 +547,15 @@ JACKAudioBackend::_start (bool for_latency_measurement) return -1; } } - + GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); /* get the buffer size and sample rates established */ jack_sample_rate_callback (jack_get_sample_rate (_priv_jack)); jack_bufsize_callback (jack_get_buffer_size (_priv_jack)); - - /* Now that we have buffer size and sample rate established, the engine + + /* Now that we have buffer size and sample rate established, the engine can go ahead and do its stuff */ @@ -556,9 +567,9 @@ JACKAudioBackend::_start (bool for_latency_measurement) 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; } - + set_jack_callbacks (); - + if (jack_activate (_priv_jack) == 0) { _running = true; } else { @@ -573,8 +584,9 @@ JACKAudioBackend::_start (bool for_latency_measurement) int JACKAudioBackend::stop () { + _running = false; // no 'engine halted message'. GET_PRIVATE_JACK_POINTER_RET (_priv_jack, -1); - + _jack_connection->close (); _current_buffer_size = 0; @@ -592,7 +604,7 @@ JACKAudioBackend::freewheel (bool onoff) if (onoff == _freewheeling) { /* already doing what has been asked for */ - + return 0; } @@ -627,8 +639,8 @@ JACKAudioBackend::transport_locate (framepos_t where) jack_transport_locate (_priv_jack, where); } -framepos_t -JACKAudioBackend::transport_frame () const +framepos_t +JACKAudioBackend::transport_frame () const { GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0); return jack_get_current_transport_frame (_priv_jack); @@ -681,14 +693,14 @@ JACKAudioBackend::get_sync_offset (pframes_t& offset) const return false; } -pframes_t +framepos_t JACKAudioBackend::sample_time () { GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0); return jack_frame_time (_priv_jack); } -pframes_t +framepos_t JACKAudioBackend::sample_time_at_cycle_start () { GET_PRIVATE_JACK_POINTER_RET (_priv_jack, 0); @@ -854,19 +866,20 @@ JACKAudioBackend::create_process_thread (boost::function f) int 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) { +#if defined(USING_JACK2_EXPANSION_OF_JACK_API) || defined __jack_systemdeps_h__ + // jack_client is not used by JACK2's implementation + // also jack_client_close() leaves threads active + if (jack_client_stop_thread (NULL, *i) != 0) #else void* status; - if (pthread_join (*i, &status) != 0) { + if (pthread_join (*i, &status) != 0) #endif + { error << "AudioEngine: cannot stop process thread" << endmsg; ret += -1; } @@ -880,10 +893,20 @@ JACKAudioBackend::join_process_threads () bool JACKAudioBackend::in_process_thread () { +#if defined COMPILER_MINGW && (!defined PTW32_VERSION || defined __jack_systemdeps_h__) + if (_main_thread == GetCurrentThread()) { + return true; + } +#else // pthreads + if (pthread_equal (_main_thread, pthread_self()) != 0) { + return true; + } +#endif + for (std::vector::const_iterator i = _jack_threads.begin (); i != _jack_threads.end(); i++) { -#ifdef COMPILER_MINGW +#if defined COMPILER_MINGW && (!defined PTW32_VERSION || defined __jack_systemdeps_h__) if (*i == GetCurrentThread()) { return true; } @@ -927,13 +950,20 @@ JACKAudioBackend::process_thread () /* JACK doesn't do this for us when we use the wait API */ +#if defined COMPILER_MINGW && (!defined PTW32_VERSION || defined __jack_systemdeps_h__) + _main_thread = GetCurrentThread(); +#else + _main_thread = pthread_self (); +#endif + + AudioEngine::thread_init_callback (this); while (1) { GET_PRIVATE_JACK_POINTER_RET(_priv_jack,0); pframes_t nframes = jack_cycle_wait (_priv_jack); - + if (engine.process_callback (nframes)) { return 0; } @@ -1021,8 +1051,8 @@ JACKAudioBackend::disconnected (const char* why) } } -float -JACKAudioBackend::dsp_load() const +float +JACKAudioBackend::dsp_load() const { GET_PRIVATE_JACK_POINTER_RET(_priv_jack,0); return jack_cpu_load (_priv_jack); @@ -1053,7 +1083,7 @@ JACKAudioBackend::n_physical (unsigned long flags) const } } } - + jack_free (ports); } @@ -1087,9 +1117,9 @@ JACKAudioBackend::control_app_name () const if (_target_driver.empty() || _target_device.empty()) { return appname; } - + if (_target_driver == "ALSA") { - + if (_target_device == "Hammerfall DSP") { appname = "hdspconf"; } else if (_target_device == "M Audio Delta 1010") { @@ -1140,7 +1170,7 @@ JACKAudioBackend::speed_and_position (double& speed, framepos_t& position) jack_transport_state_t state; bool starting; - /* this won't be called if the port engine in use is not JACK, so we do + /* 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() */ @@ -1169,9 +1199,18 @@ JACKAudioBackend::speed_and_position (double& speed, framepos_t& position) // don't adjust speed here, just leave it as it was break; default: + starting = true; // jack2: JackTransportNetStarting std::cerr << "WARNING: Unknown JACK transport state: " << state << std::endl; } position = pos.frame; return starting; } + +int +JACKAudioBackend::reset_device () +{ + /* XXX need to figure out what this means for JACK + */ + return 0; +}