X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fplugin_eq_gui.cc;h=e4e3c758fe9625fd996587d8f1ab9be1d40b4eb3;hb=e42699600b92db69a428979dc0412c96f7494141;hp=a005f7467362ee5fc1e2bb5a2e58467c56a724e1;hpb=f53655d17ceebe5ae3e9668d9eef7a72f1951285;p=ardour.git diff --git a/gtk2_ardour/plugin_eq_gui.cc b/gtk2_ardour/plugin_eq_gui.cc index a005f74673..e4e3c758fe 100644 --- a/gtk2_ardour/plugin_eq_gui.cc +++ b/gtk2_ardour/plugin_eq_gui.cc @@ -18,8 +18,11 @@ */ +#include #include +#include #include +#include #ifdef COMPILER_MSVC #include @@ -46,7 +49,7 @@ #include "ardour_ui.h" #include "gui_thread.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; @@ -60,9 +63,10 @@ PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) , _signal_input_fft(0) , _signal_output_fft(0) , _plugin_insert(pluginInsert) + , _pointer_in_area_xpos(-1) { _signal_analysis_running = false; - _samplerate = ARDOUR_UI::instance()->the_session()->frame_rate(); + _samplerate = ARDOUR_UI::instance()->the_session()->sample_rate(); _log_coeff = (1.0 - 2.0 * (1000.0/(_samplerate/2.0))) / powf(1000.0/(_samplerate/2.0), 2.0); _log_max = log10f(1 + _log_coeff); @@ -75,8 +79,12 @@ PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) _analysis_height = 256.0; _analysis_area->set_size_request(_analysis_width, _analysis_height); + _analysis_area->add_events(Gdk::POINTER_MOTION_MASK | Gdk::LEAVE_NOTIFY_MASK | Gdk::BUTTON_PRESS_MASK); + _analysis_area->signal_expose_event().connect( sigc::mem_fun (*this, &PluginEqGui::expose_analysis_area)); _analysis_area->signal_size_allocate().connect( sigc::mem_fun (*this, &PluginEqGui::resize_analysis_area)); + _analysis_area->signal_motion_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseover)); + _analysis_area->signal_leave_notify_event().connect( sigc::mem_fun (*this, &PluginEqGui::analysis_area_mouseexit)); // dB selection dBScaleModel = Gtk::ListStore::create(dBColumns); @@ -112,15 +120,26 @@ PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) dBSelectBin->add( *manage(dBComboLabel)); dBSelectBin->add( *manage(dBScaleCombo)); + // Phase checkbutton + _signal_button = new Gtk::CheckButton (_("Plot live signal")); + _signal_button->set_active(true); + // Phase checkbutton _phase_button = new Gtk::CheckButton (_("Show phase")); _phase_button->set_active(true); _phase_button->signal_toggled().connect( sigc::mem_fun(*this, &PluginEqGui::redraw_scales)); + // Freq/dB info for mouse over + _pointer_info = new Gtk::Label ("", 1, 0.5); + _pointer_info->set_size_request(_analysis_width / 4, -1); + _pointer_info->set_name("PluginAnalysisInfoLabel"); + // populate table - attach( *manage(_analysis_area), 1, 3, 1, 2); - attach( *manage(dBSelectBin), 1, 2, 2, 3, Gtk::SHRINK, Gtk::SHRINK); - attach( *manage(_phase_button), 2, 3, 2, 3, Gtk::SHRINK, Gtk::SHRINK); + attach (*manage(_analysis_area), 0, 4, 0, 1); + attach (*manage(dBSelectBin), 0, 1, 1, 2, Gtk::SHRINK, Gtk::SHRINK); + attach (*manage(_signal_button), 1, 2, 1, 2, Gtk::SHRINK, Gtk::SHRINK); + attach (*manage(_phase_button), 2, 3, 1, 2, Gtk::SHRINK, Gtk::SHRINK); + attach (*manage(_pointer_info), 3, 4, 1, 2, Gtk::FILL, Gtk::SHRINK); } PluginEqGui::~PluginEqGui() @@ -141,6 +160,12 @@ PluginEqGui::~PluginEqGui() // all gui objects are *manage'd by the inherited Table object } +static inline float +power_to_dB(float a) +{ + return 10.0 * log10f(a); +} + void PluginEqGui::start_listening () { @@ -150,6 +175,7 @@ PluginEqGui::start_listening () _plugin->activate(); set_buffer_size(4096, 16384); + _plugin->set_block_size (_buffer_size); // Connect the realtime signal collection callback _plugin_insert->AnalysisDataGathered.connect (analysis_connection, invalidator (*this), boost::bind (&PluginEqGui::signal_collect_callback, this, _1, _2), gui_context()); } @@ -287,6 +313,8 @@ PluginEqGui::resize_analysis_area (Gtk::Allocation& size) cairo_surface_destroy (_analysis_scale_surface); _analysis_scale_surface = 0; } + + _pointer_info->set_size_request(_analysis_width / 4, -1); } bool @@ -348,9 +376,8 @@ PluginEqGui::run_impulse_analysis() // map output buffers after input buffers (no inplace for VST) out_map.offset_to (DataType::AUDIO, inputs); - _plugin->set_block_size (_buffer_size); _plugin->connect_and_run(_bufferset, 0, _buffer_size, 1.0, in_map, out_map, _buffer_size, 0); - framecnt_t f = _plugin->signal_latency (); + samplecnt_t f = _plugin->signal_latency (); // Adding user_latency() could be interesting // Gather all output, taking latency into account. @@ -371,9 +398,9 @@ PluginEqGui::run_impulse_analysis() } } else { //int C = 0; - //std::cerr << (++C) << ": latency is " << f << " frames, doing split processing.." << std::endl; - framecnt_t target_offset = 0; - framecnt_t frames_left = _buffer_size; // refaktoroi + //std::cerr << (++C) << ": latency is " << f << " samples, doing split processing.." << std::endl; + samplecnt_t target_offset = 0; + samplecnt_t samples_left = _buffer_size; // refaktoroi do { if (f >= _buffer_size) { //std::cerr << (++C) << ": f (=" << f << ") is larger than buffer_size, still trying to reach the actual output" << std::endl; @@ -383,11 +410,11 @@ PluginEqGui::run_impulse_analysis() // this buffer contains either the first, last or a whole bu the output of the impulse // first part: offset is 0, so we copy to the start of _collect_bufferset // we start at output offset "f" - // .. and copy "buffer size" - "f" - "offset" frames + // .. and copy "buffer size" - "f" - "offset" samples - framecnt_t length = _buffer_size - f - target_offset; + samplecnt_t length = _buffer_size - f - target_offset; - //std::cerr << (++C) << ": copying " << length << " frames to _collect_bufferset.get_audio(i)+" << target_offset << " from bufferset at offset " << f << std::endl; + //std::cerr << (++C) << ": copying " << length << " samples to _collect_bufferset.get_audio(i)+" << target_offset << " from bufferset at offset " << f << std::endl; for (uint32_t i = 0; i < outputs; ++i) { memcpy(_collect_bufferset.get_audio(i).data(target_offset), _bufferset.get_audio(inputs + i).data() + f, @@ -395,10 +422,10 @@ PluginEqGui::run_impulse_analysis() } target_offset += length; - frames_left -= length; + samples_left -= length; f = 0; } - if (frames_left > 0) { + if (samples_left > 0) { // Silence the buffers for (uint32_t i = 0; i < inputs; ++i) { ARDOUR::AudioBuffer &buf = _bufferset.get_audio(i); @@ -408,7 +435,7 @@ PluginEqGui::run_impulse_analysis() _plugin->connect_and_run (_bufferset, target_offset, target_offset + _buffer_size, 1.0, in_map, out_map, _buffer_size, 0); } - } while ( frames_left > 0); + } while ( samples_left > 0); } @@ -426,6 +453,55 @@ PluginEqGui::run_impulse_analysis() ARDOUR_UI::instance()->drop_process_buffers (); } +void +PluginEqGui::update_pointer_info(float x) +{ + /* find the bin corresponding to x (see plot_impulse_amplitude) */ + int i = roundf ((powf (10, _log_max * x / _analysis_width) - 1.0) * _impulse_fft->bins() / _log_coeff); + float dB = power_to_dB (_impulse_fft->power_at_bin (i)); + /* calc freq corresponding to bin */ + const int freq = std::max (1, (int) roundf((float)i / (float)_impulse_fft->bins() * _samplerate / 2.f)); + + _pointer_in_area_freq = round (_analysis_width * log10f(1.0 + (float)i / (float)_impulse_fft->bins() * _log_coeff) / _log_max); + + std::stringstream ss; + ss << std::fixed; + if (freq >= 10000) { + ss << std::setprecision (1) << freq / 1000.0 << "kHz"; + } else if (freq >= 1000) { + ss << std::setprecision (2) << freq / 1000.0 << "kHz"; + } else { + ss << std::setprecision (0) << freq << "Hz"; + } + ss << " " << std::setw(6) << std::setprecision (1) << std::showpos << dB; + ss << std::setw(0) << "dB"; + + if (_phase_button->get_active()) { + float phase = 180. * _impulse_fft->phase_at_bin (i) / M_PI; + ss << " " << std::setw(6) << std::setprecision (1) << std::showpos << phase; + ss << std::setw(0) << "\u00B0"; + } + _pointer_info->set_text(ss.str()); +} + +bool +PluginEqGui::analysis_area_mouseover(GdkEventMotion *event) +{ + update_pointer_info(event->x); + _pointer_in_area_xpos = event->x; + _analysis_area->queue_draw(); + return true; +} + +bool +PluginEqGui::analysis_area_mouseexit(GdkEventCrossing *) +{ + _pointer_info->set_text(""); + _pointer_in_area_xpos = -1; + _analysis_area->queue_draw(); + return true; +} + bool PluginEqGui::expose_analysis_area(GdkEventExpose *) { @@ -473,13 +549,32 @@ PluginEqGui::redraw_analysis_area() cairo_set_source_surface(cr, _analysis_scale_surface, 0.0, 0.0); cairo_paint(cr); + cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND); + if (_phase_button->get_active()) { plot_impulse_phase(_analysis_area, cr); } + plot_impulse_amplitude(_analysis_area, cr); - // TODO: make this optional - plot_signal_amplitude_difference(_analysis_area, cr); + if (_pointer_in_area_xpos >= 0) { + update_pointer_info (_pointer_in_area_xpos); + } + + if (_signal_button->get_active()) { + plot_signal_amplitude_difference(_analysis_area, cr); + } + + if (_pointer_in_area_xpos >= 0 && _pointer_in_area_freq > 0) { + const double dashed[] = {0.0, 2.0}; + cairo_set_dash (cr, dashed, 2, 0); + cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); + cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); + cairo_set_line_width (cr, 1.0); + cairo_move_to (cr, _pointer_in_area_freq - .5, -.5); + cairo_line_to (cr, _pointer_in_area_freq - .5, _analysis_height - .5); + cairo_stroke(cr); + } cairo_destroy(cr); } @@ -684,12 +779,6 @@ PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr) } -inline float -power_to_dB(float a) -{ - return 10.0 * log10f(a); -} - void PluginEqGui::plot_impulse_amplitude(Gtk::Widget *w, cairo_t *cr) { @@ -701,7 +790,7 @@ PluginEqGui::plot_impulse_amplitude(Gtk::Widget *w, cairo_t *cr) // float width = w->get_width(); float height = w->get_height(); - cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); + cairo_set_source_rgb(cr, 1.0, 1.0, 1.0); cairo_set_line_width (cr, 2.5); for (uint32_t i = 0; i < _impulse_fft->bins()-1; i++) { @@ -751,26 +840,19 @@ PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr) float height = w->get_height(); cairo_set_source_rgb(cr, 0.0, 1.0, 0.0); - cairo_set_line_width (cr, 2.5); + cairo_set_line_width (cr, 1.5); for (uint32_t i = 0; i < _signal_input_fft->bins()-1; i++) { // x coordinate of bin i x = log10f(1.0 + (float)i / (float)_signal_input_fft->bins() * _log_coeff) / _log_max; x *= _analysis_width; - float power_out = power_to_dB(_signal_output_fft->power_at_bin(i)); - float power_in = power_to_dB(_signal_input_fft ->power_at_bin(i)); - float power = power_out - power_in; + float power_out = _signal_output_fft->power_at_bin (i) + 1e-30; + float power_in = _signal_input_fft ->power_at_bin (i) + 1e-30; + float power = power_to_dB (power_out / power_in); - if (ISINF(power)) { - if (power < 0) { - power = _min_dB - 1.0; - } else { - power = _max_dB - 1.0; - } - } else if (ISNAN(power)) { - power = _min_dB - 1.0; - } + assert (!ISINF(power)); + assert (!ISNAN(power)); float yCoeff = ( power - _min_dB) / (_max_dB - _min_dB);