/*
- 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 <robin@gareus.org>
+ * 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 <algorithm>
#include <math.h>
+#include <iomanip>
#include <iostream>
+#include <sstream>
#ifdef COMPILER_MSVC
-#include <float.h>
+# include <float.h>
/* 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)
+# define ISINF(val) !((bool)_finite((double)val))
+# define ISNAN(val) (bool)_isnan((double)val)
#else
-#define ISINF(val) std::isinf((val))
-#define ISNAN(val) std::isnan((val))
+# define ISINF(val) std::isinf((val))
+# define ISNAN(val) std::isnan((val))
#endif
#include <gtkmm/box.h>
#include "ardour_ui.h"
#include "gui_thread.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
using namespace ARDOUR;
-PluginEqGui::PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert> 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<ARDOUR::PluginInsert> 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;
_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);
dBScaleCombo = new Gtk::ComboBox (dBScaleModel, false);
dBScaleCombo->set_title (_("dB scale"));
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 ();
// 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());
}
}
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) {
_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;
_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
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->set_block_size (_buffer_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::expose_analysis_area(GdkEventExpose *)
+PluginEqGui::analysis_area_mouseover (GdkEventMotion *event)
{
- redraw_analysis_area();
+ 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 *)
+{
+ 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);
+
+ if (_pointer_in_area_xpos >= 0) {
+ update_pointer_info (_pointer_in_area_xpos);
+ }
- cairo_destroy(cr);
+ 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;
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;
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];
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;
//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;
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;
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;
-
- // 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;
-
- if ( (i % 1000) == 0) {
- std::cerr << i << ": " << power << std::endl;
- }
- */
+ 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);
+ 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);
}
projects / ardour.git / blobdiff