enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h
[ardour.git] / gtk2_ardour / plugin_eq_gui.cc
index 46eb34dd0a597e5a0e33b5854e9bae113b342d4e..104b9a09f86896e99b9b2c593a7df0815dd4539c 100644 (file)
 
 */
 
-#include "plugin_eq_gui.h"
-#include "fft.h"
+#include <math.h>
+#include <iostream>
+
+#ifdef COMPILER_MSVC
+#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)
+#else
+#define ISINF(val) std::isinf((val))
+#define ISNAN(val) std::isnan((val))
+#endif
+
+#include <gtkmm/box.h>
+#include <gtkmm/button.h>
+#include <gtkmm/checkbutton.h>
 
-#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 <gtkmm/box.h>
-#include <gtkmm/button.h>
-#include <gtkmm/checkbutton.h>
+#include "plugin_eq_gui.h"
+#include "fft.h"
+#include "ardour_ui.h"
+#include "gui_thread.h"
 
-#include <iostream>
-#include <cmath>
+#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)
+       : _min_dB(-12.0)
+       , _max_dB(+12.0)
+       , _step_dB(3.0)
+       , _buffer_size(0)
+       , _signal_buffer_size(0)
+       , _impulse_fft(0)
+       , _signal_input_fft(0)
+       , _signal_output_fft(0)
+       , _plugin_insert(pluginInsert)
 {
        _signal_analysis_running = false;
        _samplerate = ARDOUR_UI::instance()->the_session()->frame_rate();
 
-       _plugin = _plugin_insert->get_impulse_analysis_plugin();
-       _plugin->activate();
-
-       set_buffer_size(4096, 16384);
-       //set_buffer_size(4096, 4096);
-
        _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 = 500.0;
-       _analysis_height = 500.0;
+       _analysis_width = 256.0;
+       _analysis_height = 256.0;
        _analysis_area->set_size_request(_analysis_width, _analysis_height);
 
        _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));
 
-
        // dB selection
        dBScaleModel = Gtk::ListStore::create(dBColumns);
 
-       dBScaleCombo = new Gtk::ComboBox(dBScaleModel);
-       dBScaleCombo -> set_title("dB scale");
+       dBScaleCombo = new Gtk::ComboBox (dBScaleModel, false);
+       dBScaleCombo->set_title (_("dB scale"));
 
 #define ADD_DB_ROW(MIN,MAX,STEP,NAME) \
        { \
@@ -97,14 +106,14 @@ PluginEqGui::PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert> pluginInsert)
 
        dBScaleCombo -> signal_changed().connect( sigc::mem_fun(*this, &PluginEqGui::change_dB_scale) );
 
-       Gtk::Label *dBComboLabel = new Gtk::Label("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));
 
        // Phase checkbutton
-       _phase_button = new Gtk::CheckButton("Show phase");
+       _phase_button = new Gtk::CheckButton (_("Show phase"));
        _phase_button->set_active(true);
        _phase_button->signal_toggled().connect( sigc::mem_fun(*this, &PluginEqGui::redraw_scales));
 
@@ -112,27 +121,45 @@ PluginEqGui::PluginEqGui(boost::shared_ptr<ARDOUR::PluginInsert> pluginInsert)
        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);
-
-
-       // Connect the realtime signal collection callback
-       _plugin_insert->AnalysisDataGathered.connect( sigc::mem_fun(*this, &PluginEqGui::signal_collect_callback ));
 }
 
 PluginEqGui::~PluginEqGui()
 {
+       stop_listening ();
+
        if (_analysis_scale_surface) {
                cairo_surface_destroy (_analysis_scale_surface);
        }
 
        delete _impulse_fft;
+       _impulse_fft = 0;
        delete _signal_input_fft;
+       _signal_input_fft = 0;
        delete _signal_output_fft;
-
-       _plugin->deactivate();
+       _signal_output_fft = 0;
 
        // all gui objects are *manage'd by the inherited Table object
 }
 
+void
+PluginEqGui::start_listening ()
+{
+       if (!_plugin) {
+               _plugin = _plugin_insert->get_impulse_analysis_plugin();
+       }
+
+       _plugin->activate();
+       set_buffer_size(4096, 16384);
+       // 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::stop_listening ()
+{
+       analysis_connection.disconnect ();
+       _plugin->deactivate ();
+}
 
 void
 PluginEqGui::on_hide()
@@ -165,18 +192,15 @@ PluginEqGui::on_show()
        start_updating();
 
        Gtk::Widget *toplevel = get_toplevel();
-       if (!toplevel) {
-               std::cerr << "No toplevel widget for PluginEqGui?!?!" << std::endl;
-        }
-
-       if (!_window_unmap_connection.connected()) {
-               _window_unmap_connection = toplevel->signal_unmap().connect( sigc::mem_fun(this, &PluginEqGui::stop_updating));
-       }
+       if (toplevel) {
+               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
@@ -213,18 +237,18 @@ PluginEqGui::redraw_scales()
 void
 PluginEqGui::set_buffer_size(uint32_t size, uint32_t signal_size)
 {
-       if (_buffer_size == size && _signal_buffer_size == signal_size)
+       if (_buffer_size == size && _signal_buffer_size == signal_size) {
                return;
+       }
 
-
-       FFT *tmp1 = _impulse_fft;
-       FFT *tmp2 = _signal_input_fft;
-       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 FFT(size);
-               _signal_input_fft  = new FFT(signal_size);
-               _signal_output_fft = new FFT(signal_size);
+               _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;
@@ -240,23 +264,21 @@ PluginEqGui::set_buffer_size(uint32_t size, uint32_t signal_size)
        _buffer_size = size;
        _signal_buffer_size = signal_size;
 
-       // These are for impulse analysis only, the signal analysis uses the actual
-       // number of I/O's for the plugininsert
-       uint32_t inputs  = _plugin->get_info()->n_inputs.n_audio();
-       uint32_t outputs = _plugin->get_info()->n_outputs.n_audio();
+       // 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);
 
-       // buffers for the signal analysis are ensured inside PluginInsert
-       uint32_t n_chans = std::max(inputs, outputs);
-       _bufferset.ensure_buffers(ARDOUR::DataType::AUDIO, n_chans, _buffer_size);
-       _collect_bufferset.ensure_buffers(ARDOUR::DataType::AUDIO, n_chans, _buffer_size);
+       for (ARDOUR::DataType::iterator i = ARDOUR::DataType::begin(); i != ARDOUR::DataType::end(); ++i) {
+               _bufferset.ensure_buffers (*i, acount.get (*i), _buffer_size);
+               _collect_bufferset.ensure_buffers (*i, ccount.get (*i), _buffer_size);
+       }
 
-       ARDOUR::ChanCount chanCount(ARDOUR::DataType::AUDIO, n_chans);
-       _bufferset.set_count(chanCount);
-       _collect_bufferset.set_count(chanCount);
+       _bufferset.set_count (acount);
+       _collect_bufferset.set_count (ccount);
 }
 
 void
-PluginEqGui::resize_analysis_area(Gtk::Allocation& size)
+PluginEqGui::resize_analysis_area (Gtk::Allocation& size)
 {
        _analysis_width  = (float)size.get_width();
        _analysis_height = (float)size.get_height();
@@ -282,17 +304,17 @@ PluginEqGui::timeout_callback()
 void
 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();
 
        for (uint32_t i = 0; i < _plugin_insert->input_streams().n_audio(); ++i) {
-               _signal_input_fft ->analyze(in ->get_audio(i).data(), 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(), FFT::HANN);
+               _signal_output_fft->analyze(out->get_audio(i).data(), GTKArdour::FFT::HANN);
        }
 
        _signal_input_fft ->calculate();
@@ -307,6 +329,9 @@ PluginEqGui::signal_collect_callback(ARDOUR::BufferSet *in, ARDOUR::BufferSet *o
 void
 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();
 
@@ -320,9 +345,12 @@ PluginEqGui::run_impulse_analysis()
 
        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);
 
-       _plugin->connect_and_run(_bufferset, in_map, out_map, _buffer_size, (nframes_t)0);
-       nframes_t f = _plugin->signal_latency();
+       _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 ();
        // Adding user_latency() could be interesting
 
        // Gather all output, taking latency into account.
@@ -339,13 +367,13 @@ PluginEqGui::run_impulse_analysis()
                //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));
+                              _bufferset.get_audio(inputs + i).data(), _buffer_size * sizeof(float));
                }
        } else {
                //int C = 0;
                //std::cerr << (++C) << ": latency is " << f << " frames, doing split processing.." << std::endl;
-               nframes_t target_offset = 0;
-               nframes_t frames_left = _buffer_size; // refaktoroi
+               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;
@@ -357,13 +385,13 @@ PluginEqGui::run_impulse_analysis()
                                //             we start at output offset "f"
                                //             .. and copy "buffer size" - "f" - "offset" frames
 
-                               nframes_t length = _buffer_size - f - target_offset;
+                               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));
+                                                       _bufferset.get_audio(inputs + i).data() + f,
+                                                       length * sizeof(float));
                                }
 
                                target_offset += length;
@@ -378,9 +406,7 @@ PluginEqGui::run_impulse_analysis()
                                        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, (nframes_t)0);
+                               _plugin->connect_and_run (_bufferset, target_offset, target_offset + _buffer_size, 1.0, in_map, out_map, _buffer_size, 0);
                        }
                } while ( frames_left > 0);
 
@@ -396,30 +422,31 @@ PluginEqGui::run_impulse_analysis()
 
        // This signals calls expose_analysis_area()
        _analysis_area->queue_draw();
+
+       ARDOUR_UI::instance()->drop_process_buffers ();
 }
 
 bool
 PluginEqGui::expose_analysis_area(GdkEventExpose *)
 {
        redraw_analysis_area();
-
-       return false;
+       return true;
 }
 
 void
 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);
@@ -427,8 +454,7 @@ PluginEqGui::draw_analysis_scales(cairo_t *ref_cr)
                draw_scales_phase(_analysis_area, cr);
        }
 
-        cairo_destroy(cr);
-
+       cairo_destroy(cr);
 }
 
 void
@@ -436,13 +462,12 @@ 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);
        }
 
-
        cairo_copy_page(cr);
 
        cairo_set_source_surface(cr, _analysis_scale_surface, 0.0, 0.0);
@@ -456,9 +481,7 @@ PluginEqGui::redraw_analysis_area()
        // TODO: make this optional
        plot_signal_amplitude_difference(_analysis_area, cr);
 
-        cairo_destroy(cr);
-
-
+       cairo_destroy(cr);
 }
 
 #define PHASE_PROPORTION 0.5
@@ -477,7 +500,7 @@ PluginEqGui::draw_scales_phase(Gtk::Widget */*w*/, cairo_t *cr)
 
                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");
                } else {
@@ -491,7 +514,7 @@ PluginEqGui::draw_scales_phase(Gtk::Widget */*w*/, cairo_t *cr)
                        continue;
 
 
-               cairo_set_source_rgba(cr, .8, .9, 0.2, 0.6/(float)i);
+               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);
 
@@ -500,13 +523,13 @@ PluginEqGui::draw_scales_phase(Gtk::Widget */*w*/, cairo_t *cr)
 
                // label
                snprintf(buf,256, "-%d\u00b0", (i * 45));
-               cairo_set_source_rgb(cr, .8, .9, 0.2);
+               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);
 
                // line
-               cairo_set_source_rgba(cr, .8, .9, 0.2, 0.6/(float)i);
+               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);
 
@@ -527,7 +550,7 @@ PluginEqGui::plot_impulse_phase(Gtk::Widget *w, cairo_t *cr)
        // float width  = w->get_width();
        float height = w->get_height();
 
-        cairo_set_source_rgba(cr, 0.95, 0.3, 0.2, 1.0);
+       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;
@@ -564,8 +587,11 @@ PluginEqGui::plot_impulse_phase(Gtk::Widget *w, cairo_t *cr)
 void
 PluginEqGui::draw_scales_power(Gtk::Widget */*w*/, cairo_t *cr)
 {
-       static float scales[] = { 30.0, 70.0, 125.0, 250.0, 500.0, 1000.0, 2000.0, 5000.0, 10000.0, 15000.0, 20000.0, -1.0 };
+       if (_impulse_fft == 0) {
+               return;
+       }
 
+       static float scales[] = { 30.0, 70.0, 125.0, 250.0, 500.0, 1000.0, 2000.0, 5000.0, 10000.0, 15000.0, 20000.0, -1.0 };
        float divisor = _samplerate / 2.0 / _impulse_fft->bins();
        float x;
 
@@ -668,7 +694,6 @@ void
 PluginEqGui::plot_impulse_amplitude(Gtk::Widget *w, cairo_t *cr)
 {
        float x,y;
-
        int prevX = 0;
        float avgY = 0.0;
        int avgNum = 0;
@@ -725,7 +750,7 @@ PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr)
        // float width  = w->get_width();
        float height = w->get_height();
 
-        cairo_set_source_rgb(cr, 0.0, 1.0, 0.0);
+       cairo_set_source_rgb(cr, 0.0, 1.0, 0.0);
        cairo_set_line_width (cr, 2.5);
 
        for (uint32_t i = 0; i < _signal_input_fft->bins()-1; i++) {
@@ -737,25 +762,13 @@ PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr)
                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;
-               }
-               */
-
-               if (std::isinf(power)) {
+               if (ISINF(power)) {
                        if (power < 0) {
                                power = _min_dB - 1.0;
                        } else {
                                power = _max_dB - 1.0;
                        }
-               } else if (std::isnan(power)) {
+               } else if (ISNAN(power)) {
                        power = _min_dB - 1.0;
                }
 
@@ -785,6 +798,4 @@ PluginEqGui::plot_signal_amplitude_difference(Gtk::Widget *w, cairo_t *cr)
        }
 
        cairo_stroke(cr);
-
-
 }