X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fplugin_eq_gui.cc;h=7479ae08166ee5ad844c01e0f927923ee53d9f40;hb=cd3c72bffe950bdaad46b4d4162e1904e0ca58c0;hp=4bf2a5f87913e8143b67c0bc9aa61446c84e9632;hpb=e466ce40ad1ba591543020cb7c0aa15dbebef81e;p=ardour.git diff --git a/gtk2_ardour/plugin_eq_gui.cc b/gtk2_ardour/plugin_eq_gui.cc index 4bf2a5f879..7479ae0816 100644 --- a/gtk2_ardour/plugin_eq_gui.cc +++ b/gtk2_ardour/plugin_eq_gui.cc @@ -1,69 +1,76 @@ /* - Copyright (C) 2008 Paul Davis - Author: Sampo Savolainen - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ + * Copyright (C) 2018 Robin Gareus + * Copyright (C) 2008 Paul Davis + * Original Author: Sampo Savolainen + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include +#include +#include +#include +#include #ifdef COMPILER_MSVC -#include - -// 'std::isinf()' and 'std::isnan()' are not available in MSVC. -#define isinf(val) !((bool)_finite((double)val)) -#define isnan(val) (bool)_isnan((double)val) +# include +/* isinf() & isnan() are C99 standards, which older MSVC doesn't provide */ +# define ISINF(val) !((bool)_finite((double)val)) +# define ISNAN(val) (bool)_isnan((double)val) #else -using std::isnan; -using std::isinf; +# define ISINF(val) std::isinf((val)) +# define ISNAN(val) std::isnan((val)) #endif -#include "plugin_eq_gui.h" -#include "fft.h" +#include +#include +#include -#include "ardour_ui.h" -#include "gui_thread.h" #include "ardour/audio_buffer.h" #include "ardour/data_type.h" #include "ardour/chan_mapping.h" +#include "ardour/plugin_insert.h" #include "ardour/session.h" -#include -#include -#include - -#include -#include +#include "plugin_eq_gui.h" +#include "fft.h" +#include "ardour_ui.h" +#include "gui_thread.h" -#include "i18n.h" +#include "pbd/i18n.h" using namespace ARDOUR; -PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) - : _min_dB(-12.0) - , _max_dB(+12.0) - , _step_dB(3.0) - , _impulse_fft(0) - , _signal_input_fft(0) - , _signal_output_fft(0) - , _plugin_insert(pluginInsert) +PluginEqGui::PluginEqGui (boost::shared_ptr pluginInsert) + : _min_dB (-12.0) + , _max_dB (+12.0) + , _step_dB (3.0) + , _block_size (0) + , _buffer_size (0) + , _signal_buffer_size (0) + , _impulse_fft (0) + , _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); + _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); // Setup analysis drawing area _analysis_scale_surface = 0; @@ -71,18 +78,19 @@ PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) _analysis_area = new Gtk::DrawingArea(); _analysis_width = 256.0; _analysis_height = 256.0; - _analysis_area->set_size_request(_analysis_width, _analysis_height); + _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_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); + dBScaleModel = Gtk::ListStore::create (dBColumns); - /* this grotty-looking cast allows compilation against gtkmm 2.24.0, which - added a new ComboBox constructor. - */ - dBScaleCombo = new Gtk::ComboBox ((Glib::RefPtr &) dBScaleModel); + dBScaleCombo = new Gtk::ComboBox (dBScaleModel, false); dBScaleCombo->set_title (_("dB scale")); #define ADD_DB_ROW(MIN,MAX,STEP,NAME) \ @@ -105,26 +113,37 @@ PluginEqGui::PluginEqGui(boost::shared_ptr pluginInsert) dBScaleCombo -> pack_start(dBColumns.name); dBScaleCombo -> set_active(1); - dBScaleCombo -> signal_changed().connect( sigc::mem_fun(*this, &PluginEqGui::change_dB_scale) ); + dBScaleCombo -> signal_changed().connect (sigc::mem_fun(*this, &PluginEqGui::change_dB_scale)); Gtk::Label *dBComboLabel = new Gtk::Label (_("dB scale")); - Gtk::HBox *dBSelectBin = new Gtk::HBox(false, 5); - dBSelectBin->add( *manage(dBComboLabel)); - dBSelectBin->add( *manage(dBScaleCombo)); + Gtk::HBox *dBSelectBin = new Gtk::HBox (false, 5); + 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)); + _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() +PluginEqGui::~PluginEqGui () { stop_listening (); @@ -142,16 +161,24 @@ 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 () { if (!_plugin) { - _plugin = _plugin_insert->get_impulse_analysis_plugin(); + _plugin = _plugin_insert->get_impulse_analysis_plugin (); } - _plugin->activate(); - set_buffer_size(4096, 16384); - // Connect the realtime signal collection callback + _plugin->activate (); + set_buffer_size (8192, 16384); + _block_size = 0; // re-initialize the plugin next time. + + /* 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()); } @@ -163,66 +190,65 @@ PluginEqGui::stop_listening () } void -PluginEqGui::on_hide() +PluginEqGui::on_hide () { - stop_updating(); - Gtk::Table::on_hide(); + stop_updating (); + Gtk::Table::on_hide (); } void -PluginEqGui::stop_updating() +PluginEqGui::stop_updating () { - if (_update_connection.connected()) { - _update_connection.disconnect(); + if (_update_connection.connected ()) { + _update_connection.disconnect (); } } void -PluginEqGui::start_updating() +PluginEqGui::start_updating () { if (!_update_connection.connected() && is_visible()) { - _update_connection = Glib::signal_timeout().connect( sigc::mem_fun(this, &PluginEqGui::timeout_callback), 250); + _update_connection = Glib::signal_timeout().connect (sigc::mem_fun (this, &PluginEqGui::timeout_callback), 250); } } void -PluginEqGui::on_show() +PluginEqGui::on_show () { - Gtk::Table::on_show(); + Gtk::Table::on_show (); - start_updating(); + start_updating (); - Gtk::Widget *toplevel = get_toplevel(); + Gtk::Widget *toplevel = get_toplevel (); if (toplevel) { - if (!_window_unmap_connection.connected()) { - _window_unmap_connection = toplevel->signal_unmap().connect( sigc::mem_fun(this, &PluginEqGui::stop_updating)); + if (!_window_unmap_connection.connected ()) { + _window_unmap_connection = toplevel->signal_unmap().connect (sigc::mem_fun (this, &PluginEqGui::stop_updating)); } - if (!_window_map_connection.connected()) { - _window_map_connection = toplevel->signal_map().connect( sigc::mem_fun(this, &PluginEqGui::start_updating)); + if (!_window_map_connection.connected ()) { + _window_map_connection = toplevel->signal_map().connect (sigc::mem_fun (this, &PluginEqGui::start_updating)); } } } void -PluginEqGui::change_dB_scale() +PluginEqGui::change_dB_scale () { - Gtk::TreeModel::iterator iter = dBScaleCombo -> get_active(); + Gtk::TreeModel::iterator iter = dBScaleCombo -> get_active (); Gtk::TreeModel::Row row; - if(iter && (row = *iter)) { + if (iter && (row = *iter)) { _min_dB = row[dBColumns.dBMin]; _max_dB = row[dBColumns.dBMax]; _step_dB = row[dBColumns.dBStep]; - - redraw_scales(); + redraw_scales (); } } void -PluginEqGui::redraw_scales() +PluginEqGui::redraw_scales () { if (_analysis_scale_surface) { @@ -230,27 +256,27 @@ PluginEqGui::redraw_scales() _analysis_scale_surface = 0; } - _analysis_area->queue_draw(); + _analysis_area->queue_draw (); // TODO: Add graph legend! } void -PluginEqGui::set_buffer_size(uint32_t size, uint32_t signal_size) +PluginEqGui::set_buffer_size (uint32_t size, uint32_t signal_size) { if (_buffer_size == size && _signal_buffer_size == signal_size) { return; } - GTKArdour::FFT *tmp1 = _impulse_fft; - GTKArdour::FFT *tmp2 = _signal_input_fft; - GTKArdour::FFT *tmp3 = _signal_output_fft; + GTKArdour::FFT *tmp1 = _impulse_fft; + GTKArdour::FFT *tmp2 = _signal_input_fft; + GTKArdour::FFT *tmp3 = _signal_output_fft; try { - _impulse_fft = new GTKArdour::FFT(size); - _signal_input_fft = new GTKArdour::FFT(signal_size); - _signal_output_fft = new GTKArdour::FFT(signal_size); - } catch( ... ) { + _impulse_fft = new GTKArdour::FFT (size); + _signal_input_fft = new GTKArdour::FFT (signal_size); + _signal_output_fft = new GTKArdour::FFT (signal_size); + } catch (...) { // Don't care about lost memory, we're screwed anyhow _impulse_fft = tmp1; _signal_input_fft = tmp2; @@ -265,15 +291,17 @@ PluginEqGui::set_buffer_size(uint32_t size, uint32_t signal_size) _buffer_size = size; _signal_buffer_size = signal_size; - ARDOUR::ChanCount count = ARDOUR::ChanCount::max (_plugin->get_info()->n_inputs, _plugin->get_info()->n_outputs); + /* allocate separate in+out buffers, VST cannot process in-place */ + ARDOUR::ChanCount acount (_plugin->get_info()->n_inputs + _plugin->get_info()->n_outputs); + ARDOUR::ChanCount ccount = ARDOUR::ChanCount::max (_plugin->get_info()->n_inputs, _plugin->get_info()->n_outputs); for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) { - _bufferset.ensure_buffers (*i, count.get (*i), _buffer_size); - _collect_bufferset.ensure_buffers (*i, count.get (*i), _buffer_size); + _bufferset.ensure_buffers (*i, acount.get (*i), _buffer_size); + _collect_bufferset.ensure_buffers (*i, ccount.get (*i), _buffer_size); } - _bufferset.set_count (count); - _collect_bufferset.set_count (count); + _bufferset.set_count (acount); + _collect_bufferset.set_count (ccount); } void @@ -286,262 +314,330 @@ 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 -PluginEqGui::timeout_callback() +PluginEqGui::timeout_callback () { if (!_signal_analysis_running) { _signal_analysis_running = true; - _plugin_insert -> collect_signal_for_analysis(_signal_buffer_size); + _plugin_insert -> collect_signal_for_analysis (_signal_buffer_size); } - run_impulse_analysis(); + run_impulse_analysis (); return true; } void -PluginEqGui::signal_collect_callback(ARDOUR::BufferSet *in, ARDOUR::BufferSet *out) +PluginEqGui::signal_collect_callback (ARDOUR::BufferSet* in, ARDOUR::BufferSet* out) { - ENSURE_GUI_THREAD (*this, &PluginEqGui::signal_collect_callback, in, out) + ENSURE_GUI_THREAD (*this, &PluginEqGui::signal_collect_callback, in, out); - _signal_input_fft ->reset(); - _signal_output_fft->reset(); + _signal_input_fft ->reset (); + _signal_output_fft->reset (); for (uint32_t i = 0; i < _plugin_insert->input_streams().n_audio(); ++i) { - _signal_input_fft ->analyze(in ->get_audio(i).data(), GTKArdour::FFT::HANN); + _signal_input_fft ->analyze (in ->get_audio (i).data(), GTKArdour::FFT::HANN); } for (uint32_t i = 0; i < _plugin_insert->output_streams().n_audio(); ++i) { - _signal_output_fft->analyze(out->get_audio(i).data(), GTKArdour::FFT::HANN); + _signal_output_fft->analyze (out->get_audio (i).data(), GTKArdour::FFT::HANN); } - _signal_input_fft ->calculate(); - _signal_output_fft->calculate(); + _signal_input_fft ->calculate (); + _signal_output_fft->calculate (); _signal_analysis_running = false; - - // This signals calls expose_analysis_area() - _analysis_area->queue_draw(); + _analysis_area->queue_draw (); } void -PluginEqGui::run_impulse_analysis() +PluginEqGui::run_impulse_analysis () { /* Allocate some thread-local buffers so that Plugin::connect_and_run can use them */ ARDOUR_UI::instance()->get_process_buffers (); - + uint32_t inputs = _plugin->get_info()->n_inputs.n_audio(); uint32_t outputs = _plugin->get_info()->n_outputs.n_audio(); - // Create the impulse, can't use silence() because consecutive calls won't work + /* Create the impulse, can't use silence() because consecutive calls won't work */ for (uint32_t i = 0; i < inputs; ++i) { - ARDOUR::AudioBuffer& buf = _bufferset.get_audio(i); - ARDOUR::Sample* d = buf.data(); - memset(d, 0, sizeof(ARDOUR::Sample)*_buffer_size); + ARDOUR::AudioBuffer& buf = _bufferset.get_audio (i); + ARDOUR::Sample* d = buf.data (); + memset (d, 0, sizeof (ARDOUR::Sample) * _buffer_size); *d = 1.0; } - ARDOUR::ChanMapping in_map(_plugin->get_info()->n_inputs); - ARDOUR::ChanMapping out_map(_plugin->get_info()->n_outputs); + /* Silence collect buffers to copy data to */ + for (uint32_t i = 0; i < outputs; ++i) { + ARDOUR::AudioBuffer &buf = _collect_bufferset.get_audio (i); + ARDOUR::Sample *d = buf.data (); + memset (d, 0, sizeof (ARDOUR::Sample) * _buffer_size); + } + + /* create default linear I/O maps */ + ARDOUR::ChanMapping in_map (_plugin->get_info()->n_inputs); + ARDOUR::ChanMapping out_map (_plugin->get_info()->n_outputs); + /* map output buffers after input buffers (no inplace for VST) */ + out_map.offset_to (DataType::AUDIO, inputs); + + /* run at most at session's block size chunks. + * + * This is important since VSTs may call audioMasterGetBlockSize + * or access various other /real/ session paramaters using the + * audioMasterCallback + */ + samplecnt_t block_size = ARDOUR_UI::instance()->the_session()->get_block_size(); + if (_block_size != block_size) { + _block_size = block_size; + _plugin->set_block_size (block_size); + } - _plugin->connect_and_run(_bufferset, in_map, out_map, _buffer_size, 0); - framecnt_t f = _plugin->signal_latency (); - // Adding user_latency() could be interesting + samplepos_t sample_pos = 0; + samplecnt_t latency = _plugin->signal_latency (); + samplecnt_t samples_remain = _buffer_size + latency; - // Gather all output, taking latency into account. - _impulse_fft->reset(); + _impulse_fft->reset (); - // Silence collect buffers to copy data to, can't use silence() because consecutive calls won't work - for (uint32_t i = 0; i < outputs; ++i) { - ARDOUR::AudioBuffer &buf = _collect_bufferset.get_audio(i); - ARDOUR::Sample *d = buf.data(); - memset(d, 0, sizeof(ARDOUR::Sample)*_buffer_size); - } + while (samples_remain > 0) { + + samplecnt_t n_samples = std::min (samples_remain, block_size); + _plugin->connect_and_run (_bufferset, sample_pos, sample_pos + n_samples, 1.0, in_map, out_map, n_samples, 0); + samples_remain -= n_samples; - if (f == 0) { - //std::cerr << "0: no latency, copying full buffer, trivial.." << std::endl; - for (uint32_t i = 0; i < outputs; ++i) { - memcpy(_collect_bufferset.get_audio(i).data(), - _bufferset.get_audio(i).data(), _buffer_size * sizeof(float)); + /* zero input buffers */ + if (sample_pos == 0 && samples_remain > 0) { + for (uint32_t i = 0; i < inputs; ++i) { + _bufferset.get_audio (i).data()[0] = 0.f; + } } - } 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 - do { - if (f >= _buffer_size) { - //std::cerr << (++C) << ": f (=" << f << ") is larger than buffer_size, still trying to reach the actual output" << std::endl; - // there is no data in this buffer regarding to the input! - f -= _buffer_size; - } else { - // 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 - - framecnt_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; - for (uint32_t i = 0; i < outputs; ++i) { - memcpy(_collect_bufferset.get_audio(i).data(target_offset), - _bufferset.get_audio(i).data() + f, - length * sizeof(float)); - } - - target_offset += length; - frames_left -= length; - f = 0; + +#ifndef NDEBUG + if (samples_remain > 0) { + for (uint32_t i = 0; i < inputs; ++i) { + pframes_t unused; + assert (_bufferset.get_audio (i).check_silence (block_size, unused)); } - if (frames_left > 0) { - // Silence the buffers - for (uint32_t i = 0; i < inputs; ++i) { - ARDOUR::AudioBuffer &buf = _bufferset.get_audio(i); - ARDOUR::Sample *d = buf.data(); - memset(d, 0, sizeof(ARDOUR::Sample)*_buffer_size); - } - - in_map = ARDOUR::ChanMapping(_plugin->get_info()->n_inputs); - out_map = ARDOUR::ChanMapping(_plugin->get_info()->n_outputs); - _plugin->connect_and_run(_bufferset, in_map, out_map, _buffer_size, 0); + } +#endif + + if (sample_pos + n_samples > latency) { + samplecnt_t dst_off = sample_pos >= latency ? sample_pos - latency : 0; + samplecnt_t src_off = sample_pos >= latency ? 0 : latency - sample_pos; + samplecnt_t n_copy = std::min (n_samples, sample_pos + n_samples - latency); + + assert (dst_off + n_copy <= _buffer_size); + assert (src_off + n_copy <= _block_size); + + for (uint32_t i = 0; i < outputs; ++i) { + memcpy ( + &(_collect_bufferset.get_audio (i).data()[dst_off]), + &(_bufferset.get_audio (inputs + i).data()[src_off]), + n_copy * sizeof (float)); } - } while ( frames_left > 0); + } + sample_pos += n_samples; } - for (uint32_t i = 0; i < outputs; ++i) { - _impulse_fft->analyze(_collect_bufferset.get_audio(i).data()); + _impulse_fft->analyze (_collect_bufferset.get_audio (i).data()); } + _impulse_fft->calculate (); - // normalize the output - _impulse_fft->calculate(); + _analysis_area->queue_draw (); - // This signals calls expose_analysis_area() - _analysis_area->queue_draw(); + ARDOUR_UI::instance ()->drop_process_buffers (); +} - 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::expose_analysis_area(GdkEventExpose *) +PluginEqGui::analysis_area_mouseexit (GdkEventCrossing *) { - redraw_analysis_area(); + _pointer_info->set_text (""); + _pointer_in_area_xpos = -1; + _analysis_area->queue_draw (); + return true; +} + +bool +PluginEqGui::expose_analysis_area (GdkEventExpose *) +{ + redraw_analysis_area (); return true; } void -PluginEqGui::draw_analysis_scales(cairo_t *ref_cr) +PluginEqGui::draw_analysis_scales (cairo_t *ref_cr) { // TODO: check whether we need rounding - _analysis_scale_surface = cairo_surface_create_similar(cairo_get_target(ref_cr), - CAIRO_CONTENT_COLOR, - _analysis_width, - _analysis_height); + _analysis_scale_surface = cairo_surface_create_similar (cairo_get_target (ref_cr), + CAIRO_CONTENT_COLOR, + _analysis_width, + _analysis_height); cairo_t *cr = cairo_create (_analysis_scale_surface); - cairo_set_source_rgb(cr, 0.0, 0.0, 0.0); - cairo_rectangle(cr, 0.0, 0.0, _analysis_width, _analysis_height); - cairo_fill(cr); + cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); + cairo_rectangle (cr, 0.0, 0.0, _analysis_width, _analysis_height); + cairo_fill (cr); + draw_scales_power (_analysis_area, cr); - draw_scales_power(_analysis_area, cr); - if (_phase_button->get_active()) { - draw_scales_phase(_analysis_area, cr); + if (_phase_button->get_active ()) { + draw_scales_phase (_analysis_area, cr); } - cairo_destroy(cr); - + cairo_destroy (cr); } void -PluginEqGui::redraw_analysis_area() +PluginEqGui::redraw_analysis_area () { cairo_t *cr; - cr = gdk_cairo_create(GDK_DRAWABLE(_analysis_area->get_window()->gobj())); + cr = gdk_cairo_create (GDK_DRAWABLE(_analysis_area->get_window()->gobj())); if (_analysis_scale_surface == 0) { - draw_analysis_scales(cr); + draw_analysis_scales (cr); } + cairo_copy_page (cr); - cairo_copy_page(cr); + cairo_set_source_surface (cr, _analysis_scale_surface, 0.0, 0.0); + cairo_paint (cr); - 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_phase (_analysis_area, cr); } - plot_impulse_amplitude(_analysis_area, cr); - // TODO: make this optional - plot_signal_amplitude_difference(_analysis_area, cr); + plot_impulse_amplitude (_analysis_area, cr); - cairo_destroy(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); } #define PHASE_PROPORTION 0.5 void -PluginEqGui::draw_scales_phase(Gtk::Widget */*w*/, cairo_t *cr) +PluginEqGui::draw_scales_phase (Gtk::Widget*, cairo_t *cr) { float y; cairo_font_extents_t extents; - cairo_font_extents(cr, &extents); + cairo_font_extents (cr, &extents); char buf[256]; cairo_text_extents_t t_ext; - for (uint32_t i = 0; i < 3; i++) { + for (uint32_t i = 0; i < 5; i++) { - y = _analysis_height/2.0 - (float)i*(_analysis_height/8.0)*PHASE_PROPORTION; + y = _analysis_height / 2.0 - (float)i * (_analysis_height / 8.0) * PHASE_PROPORTION; - cairo_set_source_rgb(cr, .8, .9, 0.2); + cairo_set_source_rgb (cr, .8, .9, 0.2); if (i == 0) { - snprintf(buf,256, "0\u00b0"); + snprintf (buf,256, "0\u00b0"); } else { - snprintf(buf,256, "%d\u00b0", (i * 45)); + snprintf (buf,256, "%d\u00b0", (i * 45)); } - cairo_text_extents(cr, buf, &t_ext); - cairo_move_to(cr, _analysis_width - t_ext.width - t_ext.x_bearing - 2.0, y - extents.descent); - cairo_show_text(cr, buf); + cairo_text_extents (cr, buf, &t_ext); + cairo_move_to (cr, _analysis_width - t_ext.width - t_ext.x_bearing - 2.0, y - extents.descent); + cairo_show_text (cr, buf); - if (i == 0) + if (i == 0) { continue; + } + y = roundf (y) - .5; - cairo_set_source_rgba(cr, .8, .9, 0.2, 0.6/(float)i); - cairo_move_to(cr, 0.0, y); - cairo_line_to(cr, _analysis_width, y); - + cairo_set_source_rgba (cr, .8, .9, .2, 0.4); + cairo_move_to (cr, 0.0, y); + cairo_line_to (cr, _analysis_width, y); + cairo_set_line_width (cr, 1); + cairo_stroke (cr); - y = _analysis_height/2.0 + (float)i*(_analysis_height/8.0)*PHASE_PROPORTION; + y = _analysis_height / 2.0 + (float)i * (_analysis_height / 8.0) * PHASE_PROPORTION; // label - snprintf(buf,256, "-%d\u00b0", (i * 45)); - cairo_set_source_rgb(cr, .8, .9, 0.2); - cairo_text_extents(cr, buf, &t_ext); - cairo_move_to(cr, _analysis_width - t_ext.width - t_ext.x_bearing - 2.0, y - extents.descent); - cairo_show_text(cr, buf); + snprintf (buf,256, "-%d\u00b0", (i * 45)); + cairo_set_source_rgb (cr, .8, .9, 0.2); + cairo_text_extents (cr, buf, &t_ext); + cairo_move_to (cr, _analysis_width - t_ext.width - t_ext.x_bearing - 2.0, y - extents.descent); + cairo_show_text (cr, buf); + y = roundf (y) - .5; // line - cairo_set_source_rgba(cr, .8, .9, 0.2, 0.6/(float)i); - cairo_move_to(cr, 0.0, y); - cairo_line_to(cr, _analysis_width, y); + cairo_set_source_rgba (cr, .8, .9, .2, 0.4); + cairo_move_to (cr, 0.0, y); + cairo_line_to (cr, _analysis_width, y); - cairo_set_line_width (cr, 0.25 + 1.0/(float)(i+1)); - cairo_stroke(cr); + cairo_set_line_width (cr, 1); + cairo_stroke (cr); } } void -PluginEqGui::plot_impulse_phase(Gtk::Widget *w, cairo_t *cr) +PluginEqGui::plot_impulse_phase (Gtk::Widget *w, cairo_t *cr) { float x,y; @@ -550,44 +646,46 @@ PluginEqGui::plot_impulse_phase(Gtk::Widget *w, cairo_t *cr) int avgNum = 0; // float width = w->get_width(); - float height = w->get_height(); + float height = w->get_height (); + float analysis_height_2 = _analysis_height / 2.f; - cairo_set_source_rgba(cr, 0.95, 0.3, 0.2, 1.0); - for (uint32_t i = 0; i < _impulse_fft->bins()-1; i++) { + cairo_set_source_rgba (cr, 0.95, 0.3, 0.2, 1.0); + for (uint32_t i = 0; i < _impulse_fft->bins() - 1; ++i) { // x coordinate of bin i - x = log10f(1.0 + (float)i / (float)_impulse_fft->bins() * _log_coeff) / _log_max; + x = log10f (1.0 + (float)i / (float)_impulse_fft->bins() * _log_coeff) / _log_max; x *= _analysis_width; + y = analysis_height_2 - (_impulse_fft->phase_at_bin (i) / M_PI) * analysis_height_2 * PHASE_PROPORTION; - y = _analysis_height/2.0 - (_impulse_fft->phase_at_bin(i)/M_PI)*(_analysis_height/2.0)*PHASE_PROPORTION; - - if ( i == 0 ) { - cairo_move_to(cr, x, y); - + if (i == 0) { + cairo_move_to (cr, x, y); avgY = 0; avgNum = 0; - } else if (rint(x) > prevX || i == _impulse_fft->bins()-1 ) { - avgY = avgY/(float)avgNum; - if (avgY > (height * 10.0) ) avgY = height * 10.0; - if (avgY < (-height * 10.0) ) avgY = -height * 10.0; - cairo_line_to(cr, prevX, avgY); - //cairo_line_to(cr, prevX, avgY/(float)avgNum); + } else if (rint (x) > prevX || i == _impulse_fft->bins() - 1) { + avgY = avgY / (float)avgNum; + if (avgY > (height * 10.0)) { + avgY = height * 10.0; + } + if (avgY < (-height * 10.0)) { + avgY = -height * 10.0; + } + + cairo_line_to (cr, prevX, avgY); avgY = 0; avgNum = 0; - } - prevX = rint(x); + prevX = rint (x); avgY += y; avgNum++; } cairo_set_line_width (cr, 2.0); - cairo_stroke(cr); + cairo_stroke (cr); } void -PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr) +PluginEqGui::draw_scales_power (Gtk::Widget */*w*/, cairo_t *cr) { if (_impulse_fft == 0) { return; @@ -598,10 +696,10 @@ PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr) float x; cairo_set_line_width (cr, 1.5); - cairo_set_font_size(cr, 9); + cairo_set_font_size (cr, 9); cairo_font_extents_t extents; - cairo_font_extents(cr, &extents); + cairo_font_extents (cr, &extents); // float fontXOffset = extents.descent + 1.0; char buf[256]; @@ -609,29 +707,28 @@ PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr) for (uint32_t i = 0; scales[i] != -1.0; ++i) { float bin = scales[i] / divisor; - x = log10f(1.0 + bin / (float)_impulse_fft->bins() * _log_coeff) / _log_max; + x = log10f (1.0 + bin / (float)_impulse_fft->bins() * _log_coeff) / _log_max; x *= _analysis_width; if (scales[i] < 1000.0) { - snprintf(buf, 256, "%0.0f", scales[i]); + snprintf (buf, 256, "%0.0f", scales[i]); } else { - snprintf(buf, 256, "%0.0fk", scales[i]/1000.0); + snprintf (buf, 256, "%0.0fk", scales[i]/1000.0); } - cairo_set_source_rgb(cr, 0.4, 0.4, 0.4); + cairo_set_source_rgb (cr, 0.4, 0.4, 0.4); - //cairo_move_to(cr, x + fontXOffset, 3.0); - cairo_move_to(cr, x - extents.height, 3.0); + cairo_move_to (cr, x - extents.height, 3.0); - cairo_rotate(cr, M_PI / 2.0); - cairo_show_text(cr, buf); - cairo_rotate(cr, -M_PI / 2.0); - cairo_stroke(cr); + cairo_rotate (cr, M_PI / 2.0); + cairo_show_text (cr, buf); + cairo_rotate (cr, -M_PI / 2.0); + cairo_stroke (cr); - cairo_set_source_rgb(cr, 0.3, 0.3, 0.3); - cairo_move_to(cr, x, _analysis_height); - cairo_line_to(cr, x, 0.0); - cairo_stroke(cr); + cairo_set_source_rgb (cr, 0.3, 0.3, 0.3); + cairo_move_to (cr, x, _analysis_height); + cairo_line_to (cr, x, 0.0); + cairo_stroke (cr); } float y; @@ -639,61 +736,52 @@ PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr) //double dashes[] = { 1.0, 3.0, 4.5, 3.0 }; double dashes[] = { 3.0, 5.0 }; - for (float dB = 0.0; dB < _max_dB; dB += _step_dB ) { - snprintf(buf, 256, "+%0.0f", dB ); + for (float dB = 0.0; dB < _max_dB; dB += _step_dB) { + snprintf (buf, 256, "+%0.0f", dB); - y = ( _max_dB - dB) / ( _max_dB - _min_dB ); + y = (_max_dB - dB) / (_max_dB - _min_dB); //std::cerr << " y = " << y << std::endl; y *= _analysis_height; if (dB != 0.0) { - cairo_set_source_rgb(cr, 0.4, 0.4, 0.4); - cairo_move_to(cr, 1.0, y + extents.height + 1.0); - cairo_show_text(cr, buf); - cairo_stroke(cr); + cairo_set_source_rgb (cr, 0.4, 0.4, 0.4); + cairo_move_to (cr, 1.0, y + extents.height + 1.0); + cairo_show_text (cr, buf); + cairo_stroke (cr); } - cairo_set_source_rgb(cr, 0.2, 0.2, 0.2); - cairo_move_to(cr, 0, y); - cairo_line_to(cr, _analysis_width, y); - cairo_stroke(cr); + cairo_set_source_rgb (cr, 0.2, 0.2, 0.2); + cairo_move_to (cr, 0, y); + cairo_line_to (cr, _analysis_width, y); + cairo_stroke (cr); if (dB == 0.0) { - cairo_set_dash(cr, dashes, 2, 0.0); + cairo_set_dash (cr, dashes, 2, 0.0); } } + for (float dB = - _step_dB; dB > _min_dB; dB -= _step_dB) { + snprintf (buf, 256, "%0.0f", dB); - - for (float dB = - _step_dB; dB > _min_dB; dB -= _step_dB ) { - snprintf(buf, 256, "%0.0f", dB ); - - y = ( _max_dB - dB) / ( _max_dB - _min_dB ); + y = (_max_dB - dB) / (_max_dB - _min_dB); y *= _analysis_height; - cairo_set_source_rgb(cr, 0.4, 0.4, 0.4); - cairo_move_to(cr, 1.0, y - extents.descent - 1.0); - cairo_show_text(cr, buf); - cairo_stroke(cr); + cairo_set_source_rgb (cr, 0.4, 0.4, 0.4); + cairo_move_to (cr, 1.0, y - extents.descent - 1.0); + cairo_show_text (cr, buf); + cairo_stroke (cr); - cairo_set_source_rgb(cr, 0.2, 0.2, 0.2); - cairo_move_to(cr, 0, y); - cairo_line_to(cr, _analysis_width, y); - cairo_stroke(cr); + cairo_set_source_rgb (cr, 0.2, 0.2, 0.2); + cairo_move_to (cr, 0, y); + cairo_line_to (cr, _analysis_width, y); + cairo_stroke (cr); } - cairo_set_dash(cr, 0, 0, 0.0); - -} - -inline float -power_to_dB(float a) -{ - return 10.0 * log10f(a); + cairo_set_dash (cr, 0, 0, 0.0); } void -PluginEqGui::plot_impulse_amplitude(Gtk::Widget *w, cairo_t *cr) +PluginEqGui::plot_impulse_amplitude (Gtk::Widget *w, cairo_t *cr) { float x,y; int prevX = 0; @@ -701,47 +789,48 @@ PluginEqGui::plot_impulse_amplitude(Gtk::Widget *w, cairo_t *cr) int avgNum = 0; // float width = w->get_width(); - float height = w->get_height(); + 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++) { + for (uint32_t i = 0; i < _impulse_fft->bins() - 1; ++i) { // x coordinate of bin i - x = log10f(1.0 + (float)i / (float)_impulse_fft->bins() * _log_coeff) / _log_max; + x = log10f (1.0 + (float)i / (float)_impulse_fft->bins() * _log_coeff) / _log_max; x *= _analysis_width; - float yCoeff = ( power_to_dB(_impulse_fft->power_at_bin(i)) - _min_dB) / (_max_dB - _min_dB); - - y = _analysis_height - _analysis_height*yCoeff; + float yCoeff = (power_to_dB (_impulse_fft->power_at_bin (i)) - _min_dB) / (_max_dB - _min_dB); - if ( i == 0 ) { - cairo_move_to(cr, x, y); + y = _analysis_height - _analysis_height * yCoeff; + if (i == 0) { + cairo_move_to (cr, x, y); avgY = 0; avgNum = 0; - } else if (rint(x) > prevX || i == _impulse_fft->bins()-1 ) { - avgY = avgY/(float)avgNum; - if (avgY > (height * 10.0) ) avgY = height * 10.0; - if (avgY < (-height * 10.0) ) avgY = -height * 10.0; - cairo_line_to(cr, prevX, avgY); - //cairo_line_to(cr, prevX, avgY/(float)avgNum); + } else if (rint (x) > prevX || i == _impulse_fft->bins() - 1) { + avgY = avgY / (float)avgNum; + if (avgY > (height * 10.0)) { + avgY = height * 10.0; + } + if (avgY < (-height * 10.0)) { + avgY = -height * 10.0; + } + cairo_line_to (cr, prevX, avgY); avgY = 0; avgNum = 0; - } - prevX = rint(x); + prevX = rint (x); avgY += y; avgNum++; } - cairo_stroke(cr); + cairo_stroke (cr); } void -PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr) +PluginEqGui::plot_signal_amplitude_difference (Gtk::Widget *w, cairo_t *cr) { float x,y; @@ -749,69 +838,51 @@ PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr) float avgY = 0.0; int avgNum = 0; - // float width = w->get_width(); 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_source_rgb (cr, 0.0, 1.0, 0.0); + cairo_set_line_width (cr, 1.5); - for (uint32_t i = 0; i < _signal_input_fft->bins()-1; i++) { + 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 = 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); - // for SaBer - /* - double p = 10.0 * log10( 1.0 + (double)_signal_output_fft->power_at_bin(i) - (double) - - _signal_input_fft ->power_at_bin(i)); - //p *= 1000000.0; - float power = (float)p; + assert (!ISINF(power)); + assert (!ISNAN(power)); - if ( (i % 1000) == 0) { - std::cerr << i << ": " << power << std::endl; - } - */ - - 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; - } - - float yCoeff = ( power - _min_dB) / (_max_dB - _min_dB); + float yCoeff = (power - _min_dB) / (_max_dB - _min_dB); y = _analysis_height - _analysis_height*yCoeff; - if ( i == 0 ) { - cairo_move_to(cr, x, y); + if (i == 0) { + cairo_move_to (cr, x, y); avgY = 0; avgNum = 0; - } else if (rint(x) > prevX || i == _impulse_fft->bins()-1 ) { - avgY = avgY/(float)avgNum; - if (avgY > (height * 10.0) ) avgY = height * 10.0; - if (avgY < (-height * 10.0) ) avgY = -height * 10.0; - cairo_line_to(cr, prevX, avgY); + } else if (rint (x) > prevX || i == _impulse_fft->bins() - 1) { + avgY = avgY / (float)avgNum; + if (avgY > (height * 10.0)) { + avgY = height * 10.0; + } + if (avgY < (-height * 10.0)) { + avgY = -height * 10.0; + } + cairo_line_to (cr, prevX, avgY); avgY = 0; avgNum = 0; } - prevX = rint(x); + prevX = rint (x); avgY += y; avgNum++; } - cairo_stroke(cr); - - + cairo_stroke (cr); }