diff options
Diffstat (limited to 'src/JackDriver.cpp')
| -rw-r--r-- | src/JackDriver.cpp | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/src/JackDriver.cpp b/src/JackDriver.cpp index db06480..bb40647 100644 --- a/src/JackDriver.cpp +++ b/src/JackDriver.cpp @@ -86,14 +86,6 @@ JackDriver::attach(bool launch_daemon) signal_attached.emit(); std::stringstream ss; _app->info_msg("Jack: Attached."); - const jack_nframes_t buffer_size = this->buffer_size(); - const jack_nframes_t sample_rate = this->sample_rate(); - if (sample_rate != 0) { - const int latency_ms = lrintf((buffer_size * 1000 / (float)sample_rate)); - ss << "Jack: Latency: " << buffer_size << " frames @ " - << (sample_rate / 1000) << "kHz (" << latency_ms << "ms)."; - _app->info_msg(ss.str()); - } } else { _app->error_msg("Jack: Client activation failed."); _is_activated = false; @@ -463,9 +455,6 @@ JackDriver::jack_xrun_cb(void* jack_driver) ++me->_xruns; me->_xrun_delay = jack_get_xrun_delayed_usecs(me->_client); - me->_app->warning_msg((format("Jack: xrun of %1%ms.") - % me->_xrun_delay).str()); - jack_reset_max_delayed_usecs(me->_client); return 0; @@ -499,6 +488,34 @@ JackDriver::reset_xruns() _xrun_delay = 0; } +float +JackDriver::get_max_dsp_load() +{ + float max_load = 0.0f; + if (_client) { + const float max_delay = jack_get_max_delayed_usecs(_client); + const float rate = sample_rate(); + const float size = buffer_size(); + const float period = size / rate * 1000000; // usec + + if (max_delay > period) { + max_load = 1.0; + jack_reset_max_delayed_usecs(_client); + } else { + max_load = max_delay / period; + } + } + return max_load; +} + +void +JackDriver::reset_max_dsp_load() +{ + if (_client) { + jack_reset_max_delayed_usecs(_client); + } +} + bool JackDriver::set_buffer_size(jack_nframes_t size) { |