gtk2_ardour/export_report.cc

   1 /*
   2  * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #include <algorithm>
  20
  21 #include <pangomm/layout.h>
  22 #include <gtkmm/label.h>
  23 #include <gtkmm/table.h>
  24 #include <gtkmm/stock.h>
  25
  26 #include "pbd/openuri.h"
  27 #include "pbd/basename.h"
  28 #include "gtkmm2ext/utils.h"
  29 #include "gtkmm2ext/utils.h"
  30 #include "canvas/utils.h"
  31 #include "canvas/colors.h"
  32
  33 #include "audiographer/general/analyser.h"
  34
  35 #include "ardour/audiofilesource.h"
  36 #include "ardour/audioregion.h"
  37 #include "ardour/auditioner.h"
  38 #include "ardour/dB.h"
  39 #include "ardour/region_factory.h"
  40 #include "ardour/session.h"
  41 #include "ardour/smf_source.h"
  42 #include "ardour/source_factory.h"
  43 #include "ardour/srcfilesource.h"
  44
  45 #include "audio_clock.h"
  46 #include "export_report.h"
  47 #include "logmeter.h"
  48 #include "ui_config.h"
  49
  50 #include "pbd/i18n.h"
  51
  52 using namespace Gtk;
  53 using namespace ARDOUR;
  54
  55 ExportReport::ExportReport (Session* session, StatusPtr s)
  56         : ArdourDialog (_("Export Report/Analysis"))
  57         , _session (session)
  58         , stop_btn (0)
  59         , play_btn (0)
  60         , _audition_num (-1)
  61         , _page_num (0)
  62 {
  63         init (s->result_map, true);
  64 }
  65
  66 ExportReport::ExportReport (const std::string & title, const AnalysisResults & ar)
  67         : ArdourDialog (title)
  68         , _session (0)
  69         , stop_btn (0)
  70         , play_btn (0)
  71         , _audition_num (-1)
  72         , _page_num (0)
  73 {
  74         init (ar, false);
  75 }
  76
  77 void
  78 ExportReport::init (const AnalysisResults & ar, bool with_file)
  79 {
  80         set_resizable (false);
  81         pages.set_scrollable ();
  82
  83         std::vector<double> dashes;
  84         dashes.push_back (3.0);
  85         dashes.push_back (5.0);
  86
  87         int page = 0;
  88         for (AnalysisResults::const_iterator i = ar.begin (); i != ar.end (); ++i, ++page) {
  89                 Label *l;
  90                 VBox *vb = manage (new VBox ());
  91                 Table *t = manage (new Table (4, 4));
  92                 Table *wtbl = manage (new Table (3, 2));
  93                 int wrow = 0;
  94                 t->set_border_width (0);
  95                 t->set_spacings (4);
  96                 wtbl->set_spacings (4);
  97                 vb->set_spacing (4);
  98                 vb->set_border_width (4);
  99                 vb->pack_start (*t, false, false, 2);
 100                 vb->pack_start (*wtbl, false, false, 2);
 101
 102                 std::string path = i->first;
 103                 ExportAnalysisPtr p = i->second;
 104
 105                 std::list<CimgPlayheadArea*> playhead_widgets;
 106
 107                 if (with_file) {
 108                         l = manage (new Label (_("File:"), ALIGN_END));
 109                         t->attach (*l, 0, 1, 0, 1);
 110                         l = manage (new Label ());
 111                         l->set_ellipsize (Pango::ELLIPSIZE_START);
 112                         l->set_width_chars (48);
 113                         l->set_max_width_chars (48);
 114                         l->set_text (path);
 115                         l->set_alignment (ALIGN_START, ALIGN_CENTER);
 116                         t->attach (*l, 1, 3, 0, 1, FILL, SHRINK);
 117
 118                         Button *b = manage (new Button (_("Open Folder")));
 119                         t->attach (*b, 3, 4, 0, 2, FILL, SHRINK);
 120                         b->signal_clicked ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::open_folder), path));
 121                 }
 122
 123                 SoundFileInfo info;
 124                 std::string errmsg;
 125
 126                 framecnt_t file_length = 0;
 127                 framecnt_t sample_rate = 0;
 128                 framecnt_t start_off = 0;
 129                 unsigned int channels = 0;
 130                 std::string file_fmt;
 131
 132                 if (with_file && AudioFileSource::get_soundfile_info (path, info, errmsg)) {
 133                         AudioClock * clock;
 134
 135                         file_length = info.length;
 136                         sample_rate = info.samplerate;
 137                         start_off = info.timecode;
 138                         channels = info.channels;
 139
 140                         files.insert (std::make_pair (page, AuditionInfo (path, channels)));
 141
 142                         /* File Info Table */
 143
 144                         framecnt_t const nfr = _session ? _session->nominal_frame_rate () : 25;
 145                         double src_coef = (double) nfr / info.samplerate;
 146
 147                         l = manage (new Label (_("Format:"), ALIGN_END));
 148                         t->attach (*l, 0, 1, 1, 2);
 149                         file_fmt = info.format_name;
 150                         std::replace (file_fmt.begin (), file_fmt.end (), '\n', ' ');
 151                         l = manage (new Label ());
 152                         l->set_ellipsize (Pango::ELLIPSIZE_START);
 153                         l->set_width_chars (48);
 154                         l->set_max_width_chars (48);
 155                         l->set_text (file_fmt);
 156                         l->set_alignment (ALIGN_START, ALIGN_CENTER);
 157                         t->attach (*l, 1, 3, 1, 2, FILL, SHRINK);
 158
 159                         l = manage (new Label (_("Channels:"), ALIGN_END));
 160                         t->attach (*l, 0, 1, 2, 3);
 161                         l = manage (new Label (string_compose ("%1", info.channels), ALIGN_START));
 162                         t->attach (*l, 1, 2, 2, 3);
 163
 164                         l = manage (new Label (_("Sample rate:"), ALIGN_END));
 165                         t->attach (*l, 0, 1, 3, 4);
 166                         l = manage (new Label (string_compose (_("%1 Hz"), info.samplerate), ALIGN_START));
 167                         t->attach (*l, 1, 2, 3, 4);
 168
 169                         l = manage (new Label (_("Duration:"), ALIGN_END));
 170                         t->attach (*l, 2, 3, 2, 3);
 171                         clock = manage (new AudioClock ("sfboxLengthClock", true, "", false, false, true, false));
 172                         clock->set_session (_session);
 173                         clock->set_mode (AudioClock::MinSec);
 174                         clock->set (info.length * src_coef + 0.5, true);
 175                         t->attach (*clock, 3, 4, 2, 3);
 176
 177                         l = manage (new Label (_("Timecode:"), ALIGN_END));
 178                         t->attach (*l, 2, 3, 3, 4);
 179                         clock = manage (new AudioClock ("sfboxTimecodeClock", true, "", false, false, false, false));
 180                         clock->set_session (_session);
 181                         clock->set_mode (AudioClock::Timecode);
 182                         clock->set (info.timecode * src_coef + 0.5, true);
 183                         t->attach (*clock, 3, 4, 3, 4);
 184                 } else if (with_file) {
 185                         l = manage (new Label (_("Error:"), ALIGN_END));
 186                         t->attach (*l, 0, 1, 1, 2);
 187                         l = manage (new Label (errmsg, ALIGN_START));
 188                         t->attach (*l, 1, 4, 1, 2);
 189                 }
 190
 191                 int w, h;
 192                 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
 193
 194                 // calc geometry of numerics
 195                 const float dbfs = accurate_coefficient_to_dB (p->peak);
 196                 const float dbtp = accurate_coefficient_to_dB (p->truepeak);
 197
 198 #define TXTSIZE(LINE, TXT, FONT) {                                     \
 199   layout->set_font_description (UIConfiguration::instance ().FONT ()); \
 200   layout->set_text (TXT);                                              \
 201   layout->get_pixel_size (w, h);                                       \
 202   if (w > mnw) { mnw = w; }                                            \
 203   if (h > lin[LINE]) { lin[LINE] = h; }                                \
 204 }
 205
 206 #define TXTWIDTH(TXT, FONT) {                                          \
 207   layout->set_font_description (UIConfiguration::instance ().FONT ()); \
 208   layout->set_text (TXT);                                              \
 209   layout->get_pixel_size (w, h);                                       \
 210   if (w > mml) { mml = w; }                                            \
 211 }
 212
 213                 int m_r = 0; // right side
 214                 int mnh = 0; // mono height
 215                 int mnw = 0; // max numeric width
 216                 int anw = 0; // spectrum annotation text width
 217
 218                 int lin[6] = { 0, 0, 0, 0, 0, 0 }; // max line height
 219
 220                 TXTSIZE(0, _("(too short integration time)"), get_SmallFont);
 221
 222                 TXTSIZE(0, _("-888"), get_SmallMonospaceFont);
 223                 anw = w;
 224                 m_r = anw + 10;
 225                 mnh = h + 1;
 226
 227                 TXTSIZE(0, _("Peak:"), get_SmallFont);
 228                 TXTSIZE(1, string_compose (_("%1 dBFS"), std::setprecision (1), std::fixed, dbfs), get_LargeFont);
 229                 TXTSIZE(2, _("True Peak:"), get_SmallFont);
 230                 TXTSIZE(3, string_compose (_("%1 dBTP"), std::setprecision (1), std::fixed, dbtp), get_LargeFont);
 231                 TXTSIZE(4, _("Normalization Gain:"), get_SmallFont);
 232                 TXTSIZE(5, _("+888.88 dB"), get_SmallMonospaceFont);
 233
 234                 TXTSIZE(0, _("Integrated Loudness:"), get_SmallFont);
 235                 TXTSIZE(1, string_compose (_("%1 LUFS"), std::setprecision (1), std::fixed, p->loudness), get_LargeFont);
 236                 TXTSIZE(2, _("Loudness Range:"), get_SmallFont);
 237                 TXTSIZE(3, string_compose (_("%1 LU"), std::setprecision (1), std::fixed, p->loudness_range), get_LargeFont);
 238
 239                 mnw += 8;
 240                 const int ht = lin[0] * 1.25 + lin[1] * 1.25 + lin[2] * 1.25 + lin[3] *1.25 + lin[4] * 1.25 + lin[5];
 241                 const int hh = std::max (100, ht + 12);
 242                 const int htn = lin[0] * 1.25 + lin[1] * 1.25 + lin[2] * 1.25 + lin[3];
 243                 int m_l =  2 * mnw + /*hist-width*/ 540 + /*box spacing*/ 8 - /*peak-width*/ 800 - m_r; // margin left
 244
 245                 int mml = 0; // min margin left -- ensure left margin is wide enough
 246                 TXTWIDTH (_("Time"), get_SmallFont);
 247                 TXTWIDTH (_("100"), get_SmallMonospaceFont);
 248                 m_l = (std::max(anw + mnh + 14, std::max (m_l, mml + 8)) + 3) & ~3;
 249
 250                 mnw = (m_l - /*hist-width*/ 540 - /*box spacing*/ 8 + /*peak-width*/ 800 + m_r) / 2;
 251                 const int nw2 = mnw / 2; // nums, horizontal center
 252
 253                 int y0[6];
 254                 if (p->normalized) {
 255                         y0[0] = (hh - ht) * .5;
 256                 } else {
 257                         y0[0] = (hh - htn) * .5;
 258                 }
 259                 y0[1] = y0[0] + lin[0] * 1.25;
 260                 y0[2] = y0[1] + lin[1] * 1.25;
 261                 y0[3] = y0[2] + lin[2] * 1.25;
 262                 y0[4] = y0[3] + lin[3] * 1.25;
 263                 y0[5] = y0[4] + lin[4] * 1.25;
 264
 265                 /* calc heights & alignment of png-image */
 266                 const float specth = sizeof (p->spectrum[0]) / sizeof (float);
 267                 const float waveh2 = std::min (100, 8 * lin[0] / (int) p->n_channels);
 268
 269                 Cairo::RefPtr<Cairo::ImageSurface> png_surface;
 270                 int png_w = 0;
 271                 int png_y0 = 0;
 272
 273                 if (with_file && UIConfiguration::instance().get_save_export_analysis_image ()) { /*png image */
 274                         const int top_w = 540 + 2 * (mnw + 4); // 4px spacing
 275                         const int wav_w = m_l + m_r + 4 + sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 276                         const int spc_w = m_l + m_r + 4 + sizeof (p->spectrum) / sizeof (float) / specth;
 277                         int ann_h = 0;
 278                         int linesp = 0;
 279
 280                         if (channels > 0 && file_length > 0 && sample_rate > 0) {
 281                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 282                                 layout->set_text (_("00:00:00.000"));
 283                                 layout->get_pixel_size (w, h);
 284                                 int height = h * 1.75;
 285                                 ann_h = 4 + height /* Time Axis */;
 286
 287                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 288                                 layout->set_text (_("0|A8"));
 289                                 layout->get_pixel_size (w, h);
 290                                 linesp = h * 1.5;
 291                                 ann_h += 4 + 3 * linesp; /* File Info */;
 292                         }
 293
 294                         const int png_h = hh + 4 + p->n_channels * (2 * waveh2 + 4) + ann_h + specth + 4;
 295                         png_w = std::max (std::max (top_w, wav_w), spc_w);
 296
 297                         png_surface = Cairo::ImageSurface::create (Cairo::FORMAT_RGB24, png_w, png_h);
 298                         Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 299                         pcx->set_source_rgb (.2, .2, .2);
 300                         pcx->paint ();
 301
 302                         if (channels > 0 && file_length > 0 && sample_rate > 0) {
 303                                 png_y0 += 4;
 304                                 // Add file-name, format, duration, sample-rate & timecode
 305                                 pcx->set_source_rgb (.7, .7, .7);
 306                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 307                                 layout->set_alignment (Pango::ALIGN_LEFT);
 308
 309 #define IMGLABEL(X0, STR, VAL) {       \
 310   layout->set_text (STR);              \
 311   pcx->move_to (X0, png_y0);           \
 312   layout->get_pixel_size (w, h);       \
 313   layout->show_in_cairo_context (pcx); \
 314   layout->set_text (VAL);              \
 315   pcx->move_to (X0 + w + 2, png_y0);   \
 316   layout->show_in_cairo_context (pcx); \
 317 }
 318
 319                                 // TODO get max width of labels per column, right-align labels,  x-align 1/3, 2/3 columns
 320                                 const int lx0 = m_l;
 321                                 const int lx1 = m_l + png_w / 2;
 322
 323                                 IMGLABEL (lx0, _("File:"), Glib::path_get_basename (path));
 324                                 IMGLABEL (lx1, _("Channels:"), string_compose ("%1", channels));
 325                                 png_y0 += linesp;
 326
 327                                 IMGLABEL (lx0, _("Format:"), file_fmt);
 328                                 IMGLABEL (lx1, _("Sample rate:"), string_compose (_("%1 Hz"), sample_rate));
 329                                 png_y0 += linesp;
 330
 331                                 if (_session) {
 332                                         Timecode::Time tct;
 333                                         _session->sample_to_timecode (start_off, tct, false, false);
 334                                         IMGLABEL (lx0, _("Timecode:"), Timecode::timecode_format_time (tct));
 335                                 }
 336                                 IMGLABEL (lx1, _("Duration:"), Timecode::timecode_format_sampletime (file_length, sample_rate, 1000, false));
 337                                 png_y0 += linesp;
 338                         }
 339                 }
 340
 341                 { /* peak, loudness and R128 histogram */
 342                         Cairo::RefPtr<Cairo::ImageSurface> nums = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 343                         Cairo::RefPtr<Cairo::ImageSurface> ebur = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 344                         Cairo::RefPtr<Cairo::ImageSurface> hist = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 540, hh);
 345
 346                         /* peak and true-peak numerics */
 347                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (nums);
 348                         cr->set_source_rgba (0, 0, 0, 1.0);
 349                         cr->paint ();
 350
 351                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 352                         layout->set_alignment (Pango::ALIGN_LEFT);
 353                         layout->set_text (_("Peak:"));
 354                         layout->get_pixel_size (w, h);
 355                         cr->move_to (rint (nw2 - w * .5), y0[0]);
 356                         cr->set_source_rgba (.7, .7, .7, 1.0);
 357                         layout->show_in_cairo_context (cr);
 358
 359                         layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 360                         layout->set_text (string_compose (_("%1 dBFS"), std::setprecision (1), std::fixed, dbfs));
 361                         layout->get_pixel_size (w, h);
 362                         cr->move_to (rint (nw2 - w * .5), y0[1]);
 363                         if (dbfs >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 364                         else if (dbfs > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 365                         layout->show_in_cairo_context (cr);
 366
 367                         if (p->have_dbtp) {
 368                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 369                                 layout->set_text (_("True Peak:"));
 370                                 layout->get_pixel_size (w, h);
 371                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 372                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 373                                 layout->show_in_cairo_context (cr);
 374
 375                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 376                                 layout->set_text (string_compose (_("%1 dBTP"), std::setprecision (1), std::fixed, dbtp));
 377                                 layout->get_pixel_size (w, h);
 378                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 379                                 if (dbtp >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 380                                 else if (dbtp > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 381                                 layout->show_in_cairo_context (cr);
 382                         }
 383
 384                         if (p->normalized) {
 385                                 const float ndb = accurate_coefficient_to_dB (p->norm_gain_factor);
 386                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 387                                 layout->set_text (_("Normalization Gain:"));
 388                                 layout->get_pixel_size (w, h);
 389                                 cr->move_to (rint (nw2 - w * .5), y0[4]);
 390                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 391                                 layout->show_in_cairo_context (cr);
 392
 393                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 394                                 layout->set_text (string_compose (_("%1 dB"), std::setprecision (2), std::showpos, std::fixed, ndb));
 395
 396                                 layout->get_pixel_size (w, h);
 397                                 cr->move_to (rint (nw2 - w * .5), y0[5]);
 398                                 // TODO tweak thresholds
 399                                 if (p->norm_gain_factor < 1.0) {
 400                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 401                                 } else if (p->norm_gain_factor == 1.0) {
 402                                         cr->set_source_rgba (.7, .7, .7, 1.0);
 403                                 } else if (fabsf (ndb) < 12) {
 404                                         cr->set_source_rgba (.1, 1.0, .1, 1.0);
 405                                 } else if (fabsf (ndb) < 18) {
 406                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 407                                 } else {
 408                                         cr->set_source_rgba (1.0, .1, .1, 1.0);
 409                                 }
 410                                 layout->show_in_cairo_context (cr);
 411                         }
 412
 413                         nums->flush ();
 414
 415                         /* EBU R128 numerics */
 416                         cr = Cairo::Context::create (ebur);
 417                         cr->set_source_rgba (0, 0, 0, 1.0);
 418                         cr->paint ();
 419
 420                         cr->set_source_rgba (.7, .7, .7, 1.0);
 421
 422                         if (!i->second->have_loudness) {
 423                                 layout->set_alignment (Pango::ALIGN_CENTER);
 424                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 425                                 layout->set_text (_("Not\nAvailable"));
 426                                 layout->get_pixel_size (w, h);
 427                                 cr->move_to (rint (nw2 - w * .5), rint ((hh - h) * .5));
 428                                 layout->show_in_cairo_context (cr);
 429                         }
 430                         else if (p->loudness == -200 && p->loudness_range == 0) {
 431                                 layout->set_alignment (Pango::ALIGN_CENTER);
 432                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 433                                 layout->set_text (_("Not\nAvailable"));
 434                                 layout->get_pixel_size (w, h);
 435                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 - h * .66));
 436                                 layout->show_in_cairo_context (cr);
 437                                 int yy = h * .5;
 438
 439                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 440                                 layout->set_text (_("(too short integration time)"));
 441                                 layout->get_pixel_size (w, h);
 442                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 + yy));
 443                                 layout->show_in_cairo_context (cr);
 444
 445                         } else {
 446                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 447                                 layout->set_alignment (Pango::ALIGN_LEFT);
 448                                 layout->set_text (_("Integrated Loudness:"));
 449                                 layout->get_pixel_size (w, h);
 450                                 cr->move_to (rint (nw2 - w * .5), y0[0]);
 451                                 layout->show_in_cairo_context (cr);
 452
 453                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 454                                 layout->set_text (string_compose (_("%1 LUFS"), std::setprecision (1), std::fixed,  p->loudness));
 455                                 layout->get_pixel_size (w, h);
 456                                 cr->move_to (rint (nw2 - w * .5), y0[1]);
 457                                 layout->show_in_cairo_context (cr);
 458
 459                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 460                                 layout->set_text (_("Loudness Range:"));
 461                                 layout->get_pixel_size (w, h);
 462                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 463                                 layout->show_in_cairo_context (cr);
 464
 465                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 466                                 layout->set_text (string_compose (_("%1 LU"), std::setprecision (1), std::fixed, p->loudness_range));
 467                                 layout->get_pixel_size (w, h);
 468                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 469                                 layout->show_in_cairo_context (cr);
 470                         }
 471                         ebur->flush ();
 472
 473                         /* draw loudness histogram */
 474                         cr = Cairo::Context::create (hist);
 475                         cr->set_source_rgba (0, 0, 0, 1.0);
 476                         cr->paint ();
 477
 478                         cr->set_source_rgba (.7, .7, .7, 1.0);
 479                         cr->set_line_width (1.0);
 480
 481                         if (p->loudness_hist_max > 0 && i->second->have_loudness) {
 482                                 // draw data
 483                                 for (size_t x = 0 ; x < 510; ++x) {
 484                                         cr->move_to (x - .5, hh);
 485                                         cr->line_to (x - .5, (float) hh * (1.0 - p->loudness_hist[x] / (float) p->loudness_hist_max));
 486                                         cr->stroke ();
 487                                 }
 488
 489                                 layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 490                                 layout->set_alignment (Pango::ALIGN_CENTER);
 491
 492                                 // x-axis label
 493                                 layout->set_text (_("LUFS\n(short)"));
 494                                 layout->get_pixel_size (w, h);
 495                                 Gtkmm2ext::rounded_rectangle (cr, 5, 5, w + 2, h + 2, 4);
 496                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 497                                 cr->fill ();
 498                                 cr->move_to (6, 6);
 499                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 500                                 layout->show_in_cairo_context (cr);
 501
 502                                 // y-axis label
 503                                 layout->set_text (_("Multiplicity"));
 504                                 layout->get_pixel_size (w, h);
 505                                 Gtkmm2ext::rounded_rectangle (cr, 5, hh - w - 3, h + 2, w + 2, 4);
 506                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 507                                 cr->fill ();
 508                                 cr->save ();
 509                                 cr->move_to (6, hh - 2);
 510                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 511                                 cr->rotate (M_PI / -2.0);
 512                                 layout->show_in_cairo_context (cr);
 513                                 cr->restore ();
 514
 515                                 // x-Axis labels
 516                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 517                                 layout->set_alignment (Pango::ALIGN_LEFT);
 518                                 for (int g = -53; g <= -8; g += 5) {
 519                                         // grid-lines. [110] -59LUFS .. [650]: -5 LUFS
 520                                         layout->set_text (string_compose ("%1", std::setw(3), std::setfill(' '), g));
 521                                         layout->get_pixel_size (w, h);
 522
 523                                         cr->set_operator (Cairo::OPERATOR_OVER);
 524                                         Gtkmm2ext::rounded_rectangle (cr,
 525                                                         rint ((g + 59.0) * 10.0 - h * .5), 5,
 526                                                         h + 2, w + 2, 4);
 527                                         const float pk = (g + 59.0) / 54.0;
 528                                         ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, .3 + pk * .4, .6);
 529                                         ArdourCanvas::set_source_rgba (cr, c);
 530                                         cr->fill ();
 531
 532                                         cr->save ();
 533                                         cr->set_source_rgba (.9, .9, .9, 1.0);
 534                                         cr->move_to (rint ((g + 59.0) * 10.0 - h * .5), w + 6.0);
 535                                         cr->rotate (M_PI / -2.0);
 536                                         layout->show_in_cairo_context (cr);
 537                                         cr->restore ();
 538
 539                                         cr->set_operator (Cairo::OPERATOR_ADD);
 540                                         cr->save ();
 541                                         cr->set_source_rgba (.3, .3, .3, 1.0);
 542                                         cr->set_dash (dashes, 1.0);
 543                                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 544                                         cr->move_to (rint ((g + 59.0) * 10.0) + .5, w + 8.0);
 545                                         cr->line_to (rint ((g + 59.0) * 10.0) + .5, hh);
 546                                         cr->stroke ();
 547                                         cr->restore ();
 548                                 }
 549
 550                         } else {
 551                                 layout->set_alignment (Pango::ALIGN_CENTER);
 552                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 553                                 layout->set_text (_("Not\nAvailable"));
 554                                 layout->get_pixel_size (w, h);
 555                                 cr->move_to (rint ((510 - w) * .5), rint ((hh - h) * .5));
 556                                 layout->show_in_cairo_context (cr);
 557                         }
 558
 559                         hist->flush ();
 560
 561                         if (png_surface) {
 562                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 563                                 pcx->set_source (nums, 0, png_y0);
 564                                 pcx->paint ();
 565                                 pcx->set_source (hist, (png_w - 540) / 2, png_y0);
 566                                 pcx->paint ();
 567                                 pcx->set_source (ebur, png_w - mnw, png_y0);
 568                                 pcx->paint ();
 569                                 png_y0 += hh + 4;
 570                         }
 571
 572                         CimgArea *nu = manage (new CimgArea (nums));
 573                         CimgArea *eb = manage (new CimgArea (ebur));
 574                         CimgArea *hi = manage (new CimgArea (hist));
 575                         HBox *hb = manage (new HBox ());
 576                         hb->set_spacing (4);
 577                         hb->pack_start (*nu, false, false);
 578                         hb->pack_start (*hi, false, false);
 579                         hb->pack_start (*eb, false, false);
 580
 581                         wtbl->attach (*hb, 0, 2, wrow, wrow + 1, SHRINK, SHRINK);
 582                         ++wrow;
 583                 }
 584
 585 #define XAXISLABEL(POS, TXT) {                            \
 586   const float yy = rint (POS);                            \
 587   layout->set_text (TXT);                                 \
 588   layout->get_pixel_size (w, h);                          \
 589   cr->move_to (m_l - 8 - w, rint ((POS) - h * .5));       \
 590   cr->set_source_rgba (.9, .9, .9, 1.0);                  \
 591   cr->set_operator (Cairo::OPERATOR_OVER);                \
 592   layout->show_in_cairo_context (cr);                     \
 593   cr->move_to (m_l - 4, yy - .5);                         \
 594   cr->line_to (m_l + width, yy - .5);                     \
 595   cr->set_source_rgba (.3, .3, .3, 1.0);                  \
 596   cr->set_operator (Cairo::OPERATOR_ADD);                 \
 597   cr->stroke ();                                          \
 598 }
 599
 600
 601                 {
 602                         VBox *lrb = manage (new VBox());
 603                         ToggleButton *log = manage (new ToggleButton (S_("Logscale|Lg")));
 604                         ToggleButton *rec = manage (new ToggleButton (S_("Rectified|Rf")));
 605                         Gtkmm2ext::UI::instance()->set_tip (log, _("Logscale"));
 606                         Gtkmm2ext::UI::instance()->set_tip (rec, _("Rectified"));
 607
 608                         lrb->pack_start (*log, false, false, 5);
 609                         lrb->pack_end (*rec, false, false, 5);
 610                         log->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_logscale_toggled), log));
 611                         rec->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_rectivied_toggled), rec));
 612                         lrb->show_all ();
 613                         wtbl->attach (*lrb, 1, 2, wrow, wrow + p->n_channels, SHRINK, SHRINK);
 614                 }
 615
 616                 for (uint32_t c = 0; c < p->n_channels; ++c) {
 617                         /* draw waveform */
 618                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 619
 620                         Cairo::RefPtr<Cairo::ImageSurface> wave;
 621                         Cairo::RefPtr<Cairo::ImageSurface> wave_log;
 622                         Cairo::RefPtr<Cairo::ImageSurface> wave_rect;
 623                         Cairo::RefPtr<Cairo::ImageSurface> wave_lr;
 624                         draw_waveform(wave, p, c, m_l, width, anw, waveh2, false, false);
 625                         draw_waveform(wave_log, p, c, m_l, width, anw, waveh2, true, false);
 626                         draw_waveform(wave_rect, p, c, m_l, width, anw, waveh2, false, true);
 627                         draw_waveform(wave_lr, p, c, m_l, width, anw, waveh2, true, true);
 628
 629                         CimgWaveArea *wv = manage (new CimgWaveArea (wave, wave_log, wave_rect, wave_lr, m_l, width));
 630
 631                         playhead_widgets.push_back (wv);
 632                         waves.push_back (wv);
 633                         wv->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 634                         wtbl->attach (*wv, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 635                         ++wrow;
 636
 637                         if (png_surface) {
 638                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 639                                 pcx->set_source (wave, 0, png_y0);
 640                                 pcx->paint ();
 641                                 png_y0 += 2 * waveh2 + 4;
 642                         }
 643                 }
 644
 645                 if (channels > 0 && file_length > 0 && sample_rate > 0)
 646                 {
 647                         /* Time Axis  -- re-use waveform width */
 648                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 649                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 650                         layout->set_text (_("00:00:00.000"));
 651                         layout->get_pixel_size (w, h);
 652                         int height = h * 1.75;
 653                         Cairo::RefPtr<Cairo::ImageSurface> ytme = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 654                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (ytme);
 655                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 656                         cr->set_source_rgba (0, 0, 0, 1.0);
 657                         cr->paint ();
 658                         cr->rectangle (0, 0, m_l, height);
 659                         cr->set_source_rgba (0, 0, 0, 0);
 660                         cr->fill ();
 661                         cr->set_operator (Cairo::OPERATOR_OVER);
 662
 663                         cr->set_line_width (1.0);
 664                         for (int i = 0; i <= 4; ++i) {
 665                                 const float fract = (float) i / 4.0;
 666                                 // " XX:XX:XX.XXX"  [space/minus] 12 chars = 13.
 667                                 const float xalign = (i == 4) ? 1.0 : (i == 0) ? 1.0 / 13.0 : 7.0 / 13.0;
 668
 669                                 char buf[16];
 670                                 AudioClock::print_minsec (start_off + file_length * fract,
 671                                                 buf, sizeof (buf), sample_rate);
 672
 673                                 layout->set_text (buf);
 674                                 layout->get_pixel_size (w, h);
 675                                 cr->move_to (rint (m_l + width * fract - w * xalign), rint (.5 * (height - h)));
 676                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 677                                 layout->show_in_cairo_context (cr);
 678
 679                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 680                                 cr->move_to (rint (m_l + width * fract) - .5, 0);
 681                                 cr->line_to (rint (m_l + width * fract) - .5, ceil  (height * .15));
 682                                 cr->move_to (rint (m_l + width * fract) - .5, floor (height * .85));
 683                                 cr->line_to (rint (m_l + width * fract) - .5, height);
 684                                 cr->stroke ();
 685                         }
 686
 687                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 688                         layout->set_text (_("Time"));
 689                         cr->set_source_rgba (.9, .9, .9, 1.0);
 690                         layout->get_pixel_size (w, h);
 691                         cr->move_to (rint (m_l - w - 8), rint (.5 * (height - h)));
 692                         layout->show_in_cairo_context (cr);
 693
 694                         ytme->flush ();
 695                         CimgPlayheadArea *tm = manage (new CimgPlayheadArea (ytme, m_l, width, true));
 696                         playhead_widgets.push_back (tm);
 697                         tm->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 698                         wtbl->attach (*tm, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 699                         ++wrow;
 700
 701                         if (png_surface) {
 702                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 703                                 pcx->set_source (ytme, 0, png_y0);
 704                                 pcx->paint ();
 705                                 png_y0 += height + 4;
 706                         }
 707                 }
 708
 709                 {
 710                         /* Draw Spectrum */
 711                         const size_t height = specth;
 712                         const size_t swh = sizeof (p->spectrum) / sizeof (float);
 713                         const size_t width = swh / height;
 714
 715                         Cairo::RefPtr<Cairo::ImageSurface> spec = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 716                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (spec);
 717                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 718                         cr->rectangle (0, 0, m_l, height);
 719                         cr->set_source_rgba (0, 0, 0, 0);
 720                         cr->fill ();
 721                         cr->rectangle (m_l, 0, width, height);
 722                         cr->set_source_rgba (0, 0, 0, 1.0);
 723                         cr->fill ();
 724                         cr->set_operator (Cairo::OPERATOR_OVER);
 725
 726                         for (size_t x = 0 ; x < width; ++x) {
 727                                 for (size_t y = 0 ; y < height; ++y) {
 728                                         const float pk = p->spectrum[x][y];
 729                                         ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 730                                         ArdourCanvas::set_source_rgba (cr, c);
 731                                         cr->rectangle (m_l + x - .5, y - .5, 1, 1);
 732                                         cr->fill ();
 733                                 }
 734                         }
 735
 736                         // Unit
 737                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 738                         layout->set_text (_("Hz"));
 739                         layout->get_pixel_size (w, h);
 740                         cr->move_to (rint (m_l - h - anw - 10), rint ((height + w) * .5));
 741                         cr->set_source_rgba (.9, .9, .9, 1.0);
 742                         cr->save ();
 743                         cr->rotate (M_PI / -2.0);
 744                         layout->show_in_cairo_context (cr);
 745                         cr->restore ();
 746
 747                         // x-Axis
 748                         cr->set_line_width (1.0);
 749                         cr->set_dash (dashes, 2.0);
 750                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 751
 752                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 753                         //XAXISLABEL (p->freq[0], _("50Hz"));
 754                         XAXISLABEL (p->freq[1], _("100"));
 755                         XAXISLABEL (p->freq[2], _("500"));
 756                         XAXISLABEL (p->freq[3], _("1K"));
 757                         XAXISLABEL (p->freq[4], _("5K"));
 758                         XAXISLABEL (p->freq[5], _("10K"));
 759                         spec->flush ();
 760
 761                         // annotations
 762                         Cairo::RefPtr<Cairo::ImageSurface> scale = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_r, height);
 763                         cr = Cairo::Context::create (scale);
 764                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 765                         cr->rectangle (0, 0, m_r, height);
 766                         cr->set_source_rgba (0, 0, 0, 0);
 767                         cr->fill ();
 768
 769                         cr->set_operator (Cairo::OPERATOR_OVER);
 770                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 771                         layout->set_alignment (Pango::ALIGN_LEFT);
 772                         layout->set_text (_("dBFS"));
 773                         layout->get_pixel_size (w, h);
 774                         cr->move_to (rint (.5 * (m_r - w)), height - h - 2);
 775                         cr->set_source_rgba (.9, .9, .9, 1.0);
 776                         layout->show_in_cairo_context (cr);
 777
 778                         int innertop = ceil (mnh * .5) + 1;
 779                         size_t innerheight = (height - 2 * innertop - h - 2);
 780
 781                         cr->rectangle (1, innertop - 1,  m_r - 2 - anw, innerheight + 2);
 782                         cr->set_source_rgba (0, 0, 0, 1.0);
 783                         cr->fill_preserve ();
 784                         cr->set_line_width (1.0);
 785                         cr->set_source_rgba (.7, .7, .6, 1.0);
 786                         cr->stroke ();
 787
 788                         for (size_t y = 0 ; y < innerheight - 2; ++y) {
 789                                         const float pk = 1.0 - (float) y / innerheight;
 790                                         ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 791                                         ArdourCanvas::set_source_rgba (cr, c);
 792                                         cr->rectangle (2, innertop + y + .5, m_r - 4 - anw, 1);
 793                                         cr->fill ();
 794                         }
 795
 796                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 797                         for (int i = 0; i <= 4; ++i) {
 798                                 const float fract = (float) i / 4.0;
 799                                 const float yalign = .5; // (i == 4) ? 0 : (i == 0) ? 1.0 : .5;
 800                                 char buf[16];
 801                                 snprintf (buf, sizeof (buf), "%.0f", AudioGrapher::Analyser::fft_range_db * -fract);
 802                                 layout->set_text (buf);
 803                                 layout->get_pixel_size (w, h);
 804
 805                                 cr->move_to (m_r - anw, rint (innertop + fract * innerheight - h * yalign));
 806                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 807                                 layout->show_in_cairo_context (cr);
 808                         }
 809                         scale->flush ();
 810
 811                         CimgPlayheadArea *sp = manage (new CimgPlayheadArea (spec, m_l, width));
 812                         playhead_widgets.push_back (sp);
 813                         sp->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 814                         CimgArea *an = manage (new CimgArea (scale));
 815                         wtbl->attach (*sp, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 816                         wtbl->attach (*an, 1, 2, wrow, wrow + 1, SHRINK, SHRINK);
 817                         ++wrow;
 818
 819                         if (png_surface) {
 820                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 821                                 pcx->set_source (spec, 0, png_y0);
 822                                 pcx->paint ();
 823                                 pcx->set_source (scale, png_w - m_r, png_y0);
 824                                 pcx->paint ();
 825                         }
 826                 }
 827
 828                 timeline[page] = playhead_widgets;
 829
 830                 HBox *tab = manage (new HBox ());
 831                 l = manage (new Label (Glib::path_get_basename (path)));
 832                 Gtk::Image *img =  manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_MENU));
 833                 tab->pack_start (*img);
 834                 tab->pack_start (*l);
 835                 l->show();
 836                 tab->show();
 837                 img->hide();
 838                 pages.pages ().push_back (Notebook_Helpers::TabElem (*vb, *tab));
 839                 pages.signal_switch_page().connect (sigc::mem_fun (*this, &ExportReport::on_switch_page));
 840
 841                 if (png_surface) {
 842                         assert (with_file && !path.empty ());
 843                         std::string imgpath = Glib::build_filename (Glib::path_get_dirname (path), PBD::basename_nosuffix (path) + ".png");
 844                         PBD::info << string_compose(_("Writing Export Analysis Image: %1."), imgpath) << endmsg;
 845                         png_surface->write_to_png (imgpath);
 846                 }
 847         }
 848
 849         pages.set_show_tabs (true);
 850         pages.show_all ();
 851         pages.set_name ("ExportReportNotebook");
 852         pages.set_current_page (0);
 853
 854         get_vbox ()->set_spacing (4);
 855         get_vbox ()->pack_start (pages, false, false);
 856
 857         if (_session) {
 858                 _session->AuditionActive.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_active, this, _1), gui_context());
 859                 _session->the_auditioner()->AuditionProgress.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_progress, this, _1, _2), gui_context());
 860         }
 861
 862         if (_session && with_file) {
 863                 play_btn = add_button (Stock::MEDIA_PLAY, RESPONSE_ACCEPT);
 864                 stop_btn = add_button (Stock::MEDIA_STOP, RESPONSE_ACCEPT);
 865         }
 866         add_button (Stock::CLOSE, RESPONSE_CLOSE);
 867
 868         set_default_response (RESPONSE_CLOSE);
 869         if (_session && with_file) {
 870                 stop_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::stop_audition));
 871                 play_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::play_audition));
 872                 stop_btn->set_sensitive (false);
 873         }
 874         show_all ();
 875 }
 876
 877 int
 878 ExportReport::run ()
 879 {
 880         do {
 881                 int i = ArdourDialog::run ();
 882                 if (i == Gtk::RESPONSE_DELETE_EVENT || i == RESPONSE_CLOSE) {
 883                         break;
 884                 }
 885         } while (1);
 886
 887         if (_session) {
 888                 _session->cancel_audition();
 889         }
 890         return RESPONSE_CLOSE;
 891 }
 892
 893 void
 894 ExportReport::open_folder (std::string p)
 895 {
 896         PBD::open_folder (Glib::path_get_dirname(p));
 897 }
 898
 899 void
 900 ExportReport::audition_active (bool active)
 901 {
 902         if (!stop_btn || !play_btn) {
 903                 return;
 904         }
 905         stop_btn->set_sensitive (active);
 906         play_btn->set_sensitive (!active);
 907
 908         if (!active && _audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
 909                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
 910                                 i != timeline[_audition_num].end();
 911                                 ++i) {
 912                         (*i)->set_playhead (-1);
 913                 }
 914         }
 915
 916         if (_audition_num >= 0 ) {
 917                 Widget *page = pages.get_nth_page (_audition_num);
 918                 HBox *box = static_cast<Gtk::HBox*> (pages.get_tab_label (*page));
 919                 if (!active) {
 920                         (*(box->get_children().begin()))->hide ();
 921                 } else {
 922                         (*(box->get_children().begin()))->show ();
 923                 }
 924         }
 925
 926         if (!active) {
 927                 _audition_num = -1;
 928         }
 929 }
 930
 931 void
 932 ExportReport::audition (std::string path, unsigned n_chn, int page)
 933 {
 934         assert (_session);
 935         _session->cancel_audition();
 936
 937         if (n_chn ==0) { return; }
 938
 939         /* can't really happen, unless the user replaces the file while the dialog is open.. */
 940         if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 941                 PBD::warning << string_compose(_("Could not read file: %1 (%2)."), path, strerror(errno)) << endmsg;
 942                 return;
 943         }
 944         if (SMFSource::valid_midi_file (path)) { return; }
 945
 946         boost::shared_ptr<Region> r;
 947         SourceList srclist;
 948         boost::shared_ptr<AudioFileSource> afs;
 949         bool old_sbp = AudioSource::get_build_peakfiles ();
 950
 951         /* don't even think of building peakfiles for these files */
 952         AudioSource::set_build_peakfiles (false);
 953
 954         for (unsigned int n = 0; n < n_chn; ++n) {
 955                 try {
 956                         afs = boost::dynamic_pointer_cast<AudioFileSource> (
 957                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 958                                                                                  path, n,
 959                                                                                  Source::Flag (ARDOUR::AudioFileSource::NoPeakFile), false));
 960                         if (afs->sample_rate() != _session->nominal_frame_rate()) {
 961                                 boost::shared_ptr<SrcFileSource> sfs (new SrcFileSource(*_session, afs, ARDOUR::SrcGood));
 962                                 srclist.push_back(sfs);
 963                         } else {
 964                                 srclist.push_back(afs);
 965                         }
 966                 } catch (failed_constructor& err) {
 967                         PBD::error << _("Could not access soundfile: ") << path << endmsg;
 968                         AudioSource::set_build_peakfiles (old_sbp);
 969                         return;
 970                 }
 971         }
 972
 973         AudioSource::set_build_peakfiles (old_sbp);
 974
 975         if (srclist.empty()) {
 976                 return;
 977         }
 978
 979         afs = boost::dynamic_pointer_cast<AudioFileSource> (srclist[0]);
 980         std::string rname = region_name_from_path (afs->path(), false);
 981
 982         PBD::PropertyList plist;
 983
 984         plist.add (ARDOUR::Properties::start, 0);
 985         plist.add (ARDOUR::Properties::length, srclist[0]->length(srclist[0]->timeline_position()));
 986         plist.add (ARDOUR::Properties::name, rname);
 987         plist.add (ARDOUR::Properties::layer, 0);
 988
 989         r = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (srclist, plist, false));
 990
 991         r->set_position(0);
 992         _session->audition_region(r);
 993         _audition_num = page;
 994 }
 995
 996 void
 997 ExportReport::play_audition ()
 998 {
 999         if (_audition_num >= 0 || !_session) { return; }
1000         if (files.find (_page_num) == files.end()) { return; }
1001         audition (files[_page_num].path, files[_page_num].channels, _page_num);
1002 }
1003
1004 void
1005 ExportReport::stop_audition ()
1006 {
1007         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1008                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1009                                 i != timeline[_audition_num].end();
1010                                 ++i) {
1011                         (*i)->set_playhead (-1);
1012                 }
1013         }
1014         if (_session) {
1015                 _session->cancel_audition();
1016         }
1017 }
1018
1019 void
1020 ExportReport::on_switch_page (GtkNotebookPage*, guint page_num)
1021 {
1022         if (_audition_num == _page_num) {
1023                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1024                                 i != timeline[_audition_num].end();
1025                                 ++i) {
1026                         (*i)->set_playhead (-1);
1027                 }
1028         }
1029         _page_num = page_num;
1030 }
1031
1032 void
1033 ExportReport::audition_progress (framecnt_t pos, framecnt_t len)
1034 {
1035         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1036                 const float p = (float)pos / len;
1037                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1038                                 i != timeline[_audition_num].end();
1039                                 ++i) {
1040                         (*i)->set_playhead (p);
1041                 }
1042         }
1043 }
1044
1045 void
1046 ExportReport::audition_seek (int page, float pos)
1047 {
1048         if (_audition_num == page && _session) {
1049                 _session->the_auditioner()->seek_to_percent (100.f * pos);
1050         }
1051 }
1052
1053 void
1054 ExportReport::on_logscale_toggled (Gtk::ToggleButton* b)
1055 {
1056         bool en = b->get_active ();
1057         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1058                 (*i)->set_logscale (en);
1059         }
1060 }
1061
1062 void
1063 ExportReport::on_rectivied_toggled (Gtk::ToggleButton* b)
1064 {
1065         bool en = b->get_active ();
1066         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1067                 (*i)->set_rectified (en);
1068         }
1069 }
1070
1071 void
1072 ExportReport::draw_waveform (Cairo::RefPtr<Cairo::ImageSurface>& wave, ExportAnalysisPtr p, uint32_t c, int m_l, size_t width, int anw, int height_2, bool log, bool rect)
1073 {
1074         int w, h;
1075         Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
1076         const float ht = 2.f * height_2;
1077
1078         std::vector<double> dashes;
1079         dashes.push_back (3.0);
1080         dashes.push_back (5.0);
1081
1082         wave = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, ht);
1083         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (wave);
1084         cr->set_operator (Cairo::OPERATOR_SOURCE);
1085         cr->rectangle (0, 0, m_l, ht);
1086         cr->set_source_rgba (0, 0, 0, 0);
1087         cr->fill ();
1088         cr->rectangle (m_l, 0, width, ht);
1089         cr->set_source_rgba (0, 0, 0, 1.0);
1090         cr->fill ();
1091         cr->set_operator (Cairo::OPERATOR_OVER);
1092
1093         cr->set_source_rgba (.7, .7, .7, 1.0);
1094         cr->set_line_width (1.0);
1095
1096         // -1dB range
1097         float clip_top;
1098         float clip_bot;
1099
1100         if (rect) {
1101                 clip_bot = ht;
1102
1103                 if (log) {
1104                         clip_top = ht * (1.f - alt_log_meter (-1));
1105                         for (size_t x = 0 ; x < width; ++x) {
1106                                 const float v = alt_log_meter (fast_coefficient_to_dB (std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min))));
1107                                 cr->move_to (m_l + x - .5, ht - ht * v);
1108                                 cr->line_to (m_l + x - .5, ht);
1109                         }
1110                         cr->stroke ();
1111                 } else {
1112                         clip_top = ht * (1.f - dB_to_coefficient (-1));
1113                         for (size_t x = 0 ; x < width; ++x) {
1114                                 const float v = std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min));
1115                                 cr->move_to (m_l + x - .5, ht - ht * v);
1116                                 cr->line_to (m_l + x - .5, ht);
1117                         }
1118                         cr->stroke ();
1119                 }
1120         } else {
1121                 if (log) {
1122                         clip_top = height_2 - height_2 * alt_log_meter (-1);
1123                         clip_bot = height_2 + height_2 * alt_log_meter (-1);
1124                         for (size_t x = 0 ; x < width; ++x) {
1125                                 float pmax, pmin;
1126                                 if (p->peaks[c][x].max > 0) {
1127                                         pmax =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].max));
1128                                 } else {
1129                                         pmax = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].max));
1130                                 }
1131
1132                                 if (p->peaks[c][x].min > 0) {
1133                                         pmin =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].min));
1134                                 } else {
1135                                         pmin = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].min));
1136                                 }
1137                                 cr->move_to (m_l + x - .5, height_2 - height_2 * pmax);
1138                                 cr->line_to (m_l + x - .5, height_2 - height_2 * pmin);
1139                         }
1140                         cr->stroke ();
1141                 } else {
1142                         clip_top = height_2 - height_2 * dB_to_coefficient (-1);
1143                         clip_bot = height_2 + height_2 * dB_to_coefficient (-1);
1144                         for (size_t x = 0 ; x < width; ++x) {
1145                                 cr->move_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].max);
1146                                 cr->line_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].min);
1147                         }
1148                         cr->stroke ();
1149                 }
1150         }
1151
1152         // >= 0dBFS
1153         cr->set_source_rgba (1.0, 0, 0, 1.0);
1154         for (size_t x = 0 ; x < width; ++x) {
1155                 if (p->peaks[c][x].max >= 1.0) {
1156                         cr->move_to (m_l + x - .5, 0);
1157                         cr->line_to (m_l + x - .5, clip_top);
1158                 }
1159                 if (p->peaks[c][x].min <= -1.0) {
1160                         cr->move_to (m_l + x - .5, clip_bot);
1161                         cr->line_to (m_l + x - .5, ht);
1162                 }
1163         }
1164         cr->stroke ();
1165
1166         // >= -1dBTP (coeff >= .89125, libs/vamp-plugins/TruePeak.cpp)
1167         cr->set_source_rgba (1.0, 0.7, 0, 0.7);
1168         for (std::set<framepos_t>::const_iterator i = p->truepeakpos[c].begin (); i != p->truepeakpos[c].end (); ++i) {
1169                 cr->move_to (m_l + (*i) - .5, clip_top);
1170                 cr->line_to (m_l + (*i) - .5, clip_bot);
1171                 cr->stroke ();
1172         }
1173
1174         if (!rect) {
1175                 // zero line
1176                 cr->set_source_rgba (.3, .3, .3, 0.7);
1177                 cr->move_to (m_l + 0, height_2 - .5);
1178                 cr->line_to (m_l + width, height_2 - .5);
1179                 cr->stroke ();
1180         }
1181
1182         // Unit
1183         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
1184         layout->set_alignment (Pango::ALIGN_LEFT);
1185         layout->set_text (_("dBFS"));
1186         layout->get_pixel_size (w, h);
1187         cr->move_to (rint (m_l - h - anw - 10), rint (height_2 + w * .5));
1188         cr->set_source_rgba (.9, .9, .9, 1.0);
1189         cr->save ();
1190         cr->rotate (M_PI / -2.0);
1191         layout->show_in_cairo_context (cr);
1192         cr->restore ();
1193
1194         // x-Axis
1195         cr->set_line_width (1.0);
1196         cr->set_dash (dashes, 2.0);
1197         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
1198
1199         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
1200
1201         if (rect) {
1202                 if (log) {
1203                         XAXISLABEL ((ht - ht * alt_log_meter (-36)), _("-36"));
1204                         XAXISLABEL ((ht - ht * alt_log_meter (-18)), _("-18"));
1205                         XAXISLABEL ((ht - ht * alt_log_meter (-9)), _("-9"));
1206                         XAXISLABEL ((ht - ht * alt_log_meter (-3)), _("-3"));
1207                 } else {
1208                         XAXISLABEL ((ht - ht * .1259), _("-18"));
1209                         XAXISLABEL ((ht - ht * .3548), _("-9"));
1210                         XAXISLABEL ((ht - ht * .7079), _("-3"));
1211                 }
1212         } else {
1213                 if (log) {
1214                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-18)), _("-18"));
1215                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-9)), _("-9"));
1216                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-3)), _("-3"));
1217                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-18)), _("-18"));
1218                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-9)), _("-9"));
1219                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-3)), _("-3"));
1220                 } else {
1221                         XAXISLABEL (height_2 * 0.6452, _("-9"));
1222                         XAXISLABEL (height_2 * 1.3548, _("-9"));
1223                         XAXISLABEL (height_2 * 0.2921, _("-3"));
1224                         XAXISLABEL (height_2 * 1.7079, _("-3"));
1225                 }
1226         }
1227         wave->flush ();
1228 }