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 "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                         lrb->pack_start (*log, false, false, 5);
 606                         lrb->pack_end (*rec, false, false, 5);
 607                         log->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_logscale_toggled), log));
 608                         rec->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_rectivied_toggled), rec));
 609                         lrb->show_all ();
 610                         wtbl->attach (*lrb, 1, 2, wrow, wrow + p->n_channels, SHRINK, SHRINK);
 611                 }
 612
 613                 for (uint32_t c = 0; c < p->n_channels; ++c) {
 614                         /* draw waveform */
 615                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 616
 617                         Cairo::RefPtr<Cairo::ImageSurface> wave;
 618                         Cairo::RefPtr<Cairo::ImageSurface> wave_log;
 619                         Cairo::RefPtr<Cairo::ImageSurface> wave_rect;
 620                         Cairo::RefPtr<Cairo::ImageSurface> wave_lr;
 621                         draw_waveform(wave, p, c, m_l, width, anw, waveh2, false, false);
 622                         draw_waveform(wave_log, p, c, m_l, width, anw, waveh2, true, false);
 623                         draw_waveform(wave_rect, p, c, m_l, width, anw, waveh2, false, true);
 624                         draw_waveform(wave_lr, p, c, m_l, width, anw, waveh2, true, true);
 625
 626                         CimgWaveArea *wv = manage (new CimgWaveArea (wave, wave_log, wave_rect, wave_lr, m_l, width));
 627
 628                         playhead_widgets.push_back (wv);
 629                         waves.push_back (wv);
 630                         wv->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 631                         wtbl->attach (*wv, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 632                         ++wrow;
 633
 634                         if (png_surface) {
 635                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 636                                 pcx->set_source (wave, 0, png_y0);
 637                                 pcx->paint ();
 638                                 png_y0 += 2 * waveh2 + 4;
 639                         }
 640                 }
 641
 642                 if (channels > 0 && file_length > 0 && sample_rate > 0)
 643                 {
 644                         /* Time Axis  -- re-use waveform width */
 645                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 646                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 647                         layout->set_text (_("00:00:00.000"));
 648                         layout->get_pixel_size (w, h);
 649                         int height = h * 1.75;
 650                         Cairo::RefPtr<Cairo::ImageSurface> ytme = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 651                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (ytme);
 652                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 653                         cr->set_source_rgba (0, 0, 0, 1.0);
 654                         cr->paint ();
 655                         cr->rectangle (0, 0, m_l, height);
 656                         cr->set_source_rgba (0, 0, 0, 0);
 657                         cr->fill ();
 658                         cr->set_operator (Cairo::OPERATOR_OVER);
 659
 660                         cr->set_line_width (1.0);
 661                         for (int i = 0; i <= 4; ++i) {
 662                                 const float fract = (float) i / 4.0;
 663                                 // " XX:XX:XX.XXX"  [space/minus] 12 chars = 13.
 664                                 const float xalign = (i == 4) ? 1.0 : (i == 0) ? 1.0 / 13.0 : 7.0 / 13.0;
 665
 666                                 char buf[16];
 667                                 AudioClock::print_minsec (start_off + file_length * fract,
 668                                                 buf, sizeof (buf), sample_rate);
 669
 670                                 layout->set_text (buf);
 671                                 layout->get_pixel_size (w, h);
 672                                 cr->move_to (rint (m_l + width * fract - w * xalign), rint (.5 * (height - h)));
 673                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 674                                 layout->show_in_cairo_context (cr);
 675
 676                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 677                                 cr->move_to (rint (m_l + width * fract) - .5, 0);
 678                                 cr->line_to (rint (m_l + width * fract) - .5, ceil  (height * .15));
 679                                 cr->move_to (rint (m_l + width * fract) - .5, floor (height * .85));
 680                                 cr->line_to (rint (m_l + width * fract) - .5, height);
 681                                 cr->stroke ();
 682                         }
 683
 684                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 685                         layout->set_text (_("Time"));
 686                         cr->set_source_rgba (.9, .9, .9, 1.0);
 687                         layout->get_pixel_size (w, h);
 688                         cr->move_to (rint (m_l - w - 8), rint (.5 * (height - h)));
 689                         layout->show_in_cairo_context (cr);
 690
 691                         ytme->flush ();
 692                         CimgPlayheadArea *tm = manage (new CimgPlayheadArea (ytme, m_l, width, true));
 693                         playhead_widgets.push_back (tm);
 694                         tm->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 695                         wtbl->attach (*tm, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 696                         ++wrow;
 697
 698                         if (png_surface) {
 699                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 700                                 pcx->set_source (ytme, 0, png_y0);
 701                                 pcx->paint ();
 702                                 png_y0 += height + 4;
 703                         }
 704                 }
 705
 706                 {
 707                         /* Draw Spectrum */
 708                         const size_t height = specth;
 709                         const size_t swh = sizeof (p->spectrum) / sizeof (float);
 710                         const size_t width = swh / height;
 711
 712                         Cairo::RefPtr<Cairo::ImageSurface> spec = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 713                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (spec);
 714                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 715                         cr->rectangle (0, 0, m_l, height);
 716                         cr->set_source_rgba (0, 0, 0, 0);
 717                         cr->fill ();
 718                         cr->rectangle (m_l, 0, width, height);
 719                         cr->set_source_rgba (0, 0, 0, 1.0);
 720                         cr->fill ();
 721                         cr->set_operator (Cairo::OPERATOR_OVER);
 722
 723                         for (size_t x = 0 ; x < width; ++x) {
 724                                 for (size_t y = 0 ; y < height; ++y) {
 725                                         const float pk = p->spectrum[x][y];
 726                                         ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 727                                         ArdourCanvas::set_source_rgba (cr, c);
 728                                         cr->rectangle (m_l + x - .5, y - .5, 1, 1);
 729                                         cr->fill ();
 730                                 }
 731                         }
 732
 733                         // Unit
 734                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 735                         layout->set_text (_("Hz"));
 736                         layout->get_pixel_size (w, h);
 737                         cr->move_to (rint (m_l - h - anw - 10), rint ((height + w) * .5));
 738                         cr->set_source_rgba (.9, .9, .9, 1.0);
 739                         cr->save ();
 740                         cr->rotate (M_PI / -2.0);
 741                         layout->show_in_cairo_context (cr);
 742                         cr->restore ();
 743
 744                         // x-Axis
 745                         cr->set_line_width (1.0);
 746                         cr->set_dash (dashes, 2.0);
 747                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 748
 749                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 750                         //XAXISLABEL (p->freq[0], _("50Hz"));
 751                         XAXISLABEL (p->freq[1], _("100"));
 752                         XAXISLABEL (p->freq[2], _("500"));
 753                         XAXISLABEL (p->freq[3], _("1K"));
 754                         XAXISLABEL (p->freq[4], _("5K"));
 755                         XAXISLABEL (p->freq[5], _("10K"));
 756                         spec->flush ();
 757
 758                         // annotations
 759                         Cairo::RefPtr<Cairo::ImageSurface> scale = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_r, height);
 760                         cr = Cairo::Context::create (scale);
 761                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 762                         cr->rectangle (0, 0, m_r, height);
 763                         cr->set_source_rgba (0, 0, 0, 0);
 764                         cr->fill ();
 765
 766                         cr->set_operator (Cairo::OPERATOR_OVER);
 767                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 768                         layout->set_alignment (Pango::ALIGN_LEFT);
 769                         layout->set_text (_("dBFS"));
 770                         layout->get_pixel_size (w, h);
 771                         cr->move_to (rint (.5 * (m_r - w)), height - h - 2);
 772                         cr->set_source_rgba (.9, .9, .9, 1.0);
 773                         layout->show_in_cairo_context (cr);
 774
 775                         int innertop = ceil (mnh * .5) + 1;
 776                         size_t innerheight = (height - 2 * innertop - h - 2);
 777
 778                         cr->rectangle (1, innertop - 1,  m_r - 2 - anw, innerheight + 2);
 779                         cr->set_source_rgba (0, 0, 0, 1.0);
 780                         cr->fill_preserve ();
 781                         cr->set_line_width (1.0);
 782                         cr->set_source_rgba (.7, .7, .6, 1.0);
 783                         cr->stroke ();
 784
 785                         for (size_t y = 0 ; y < innerheight - 2; ++y) {
 786                                         const float pk = 1.0 - (float) y / innerheight;
 787                                         ArdourCanvas::Color c = ArdourCanvas::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 788                                         ArdourCanvas::set_source_rgba (cr, c);
 789                                         cr->rectangle (2, innertop + y + .5, m_r - 4 - anw, 1);
 790                                         cr->fill ();
 791                         }
 792
 793                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 794                         for (int i = 0; i <= 4; ++i) {
 795                                 const float fract = (float) i / 4.0;
 796                                 const float yalign = .5; // (i == 4) ? 0 : (i == 0) ? 1.0 : .5;
 797                                 char buf[16];
 798                                 snprintf (buf, sizeof (buf), "%.0f", AudioGrapher::Analyser::fft_range_db * -fract);
 799                                 layout->set_text (buf);
 800                                 layout->get_pixel_size (w, h);
 801
 802                                 cr->move_to (m_r - anw, rint (innertop + fract * innerheight - h * yalign));
 803                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 804                                 layout->show_in_cairo_context (cr);
 805                         }
 806                         scale->flush ();
 807
 808                         CimgPlayheadArea *sp = manage (new CimgPlayheadArea (spec, m_l, width));
 809                         playhead_widgets.push_back (sp);
 810                         sp->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 811                         CimgArea *an = manage (new CimgArea (scale));
 812                         wtbl->attach (*sp, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 813                         wtbl->attach (*an, 1, 2, wrow, wrow + 1, SHRINK, SHRINK);
 814                         ++wrow;
 815
 816                         if (png_surface) {
 817                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 818                                 pcx->set_source (spec, 0, png_y0);
 819                                 pcx->paint ();
 820                                 pcx->set_source (scale, png_w - m_r, png_y0);
 821                                 pcx->paint ();
 822                         }
 823                 }
 824
 825                 timeline[page] = playhead_widgets;
 826
 827                 HBox *tab = manage (new HBox ());
 828                 l = manage (new Label (Glib::path_get_basename (path)));
 829                 Gtk::Image *img =  manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_MENU));
 830                 tab->pack_start (*img);
 831                 tab->pack_start (*l);
 832                 l->show();
 833                 tab->show();
 834                 img->hide();
 835                 pages.pages ().push_back (Notebook_Helpers::TabElem (*vb, *tab));
 836                 pages.signal_switch_page().connect (sigc::mem_fun (*this, &ExportReport::on_switch_page));
 837
 838                 if (png_surface) {
 839                         assert (with_file && !path.empty ());
 840                         std::string imgpath = Glib::build_filename (Glib::path_get_dirname (path), PBD::basename_nosuffix (path) + ".png");
 841                         PBD::info << string_compose(_("Writing Export Analysis Image: %1."), imgpath) << endmsg;
 842                         png_surface->write_to_png (imgpath);
 843                 }
 844         }
 845
 846         pages.set_show_tabs (true);
 847         pages.show_all ();
 848         pages.set_name ("ExportReportNotebook");
 849         pages.set_current_page (0);
 850
 851         get_vbox ()->set_spacing (4);
 852         get_vbox ()->pack_start (pages, false, false);
 853
 854         if (_session) {
 855                 _session->AuditionActive.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_active, this, _1), gui_context());
 856                 _session->the_auditioner()->AuditionProgress.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_progress, this, _1, _2), gui_context());
 857         }
 858
 859         if (_session && with_file) {
 860                 play_btn = add_button (Stock::MEDIA_PLAY, RESPONSE_ACCEPT);
 861                 stop_btn = add_button (Stock::MEDIA_STOP, RESPONSE_ACCEPT);
 862         }
 863         add_button (Stock::CLOSE, RESPONSE_CLOSE);
 864
 865         set_default_response (RESPONSE_CLOSE);
 866         if (_session && with_file) {
 867                 stop_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::stop_audition));
 868                 play_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::play_audition));
 869                 stop_btn->set_sensitive (false);
 870         }
 871         show_all ();
 872 }
 873
 874 int
 875 ExportReport::run ()
 876 {
 877         do {
 878                 int i = ArdourDialog::run ();
 879                 if (i == Gtk::RESPONSE_DELETE_EVENT || i == RESPONSE_CLOSE) {
 880                         break;
 881                 }
 882         } while (1);
 883
 884         if (_session) {
 885                 _session->cancel_audition();
 886         }
 887         return RESPONSE_CLOSE;
 888 }
 889
 890 void
 891 ExportReport::open_folder (std::string p)
 892 {
 893         PBD::open_folder (Glib::path_get_dirname(p));
 894 }
 895
 896 void
 897 ExportReport::audition_active (bool active)
 898 {
 899         if (!stop_btn || !play_btn) {
 900                 return;
 901         }
 902         stop_btn->set_sensitive (active);
 903         play_btn->set_sensitive (!active);
 904
 905         if (!active && _audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
 906                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
 907                                 i != timeline[_audition_num].end();
 908                                 ++i) {
 909                         (*i)->set_playhead (-1);
 910                 }
 911         }
 912
 913         if (_audition_num >= 0 ) {
 914                 Widget *page = pages.get_nth_page (_audition_num);
 915                 HBox *box = static_cast<Gtk::HBox*> (pages.get_tab_label (*page));
 916                 if (!active) {
 917                         (*(box->get_children().begin()))->hide ();
 918                 } else {
 919                         (*(box->get_children().begin()))->show ();
 920                 }
 921         }
 922
 923         if (!active) {
 924                 _audition_num = -1;
 925         }
 926 }
 927
 928 void
 929 ExportReport::audition (std::string path, unsigned n_chn, int page)
 930 {
 931         assert (_session);
 932         _session->cancel_audition();
 933
 934         if (n_chn ==0) { return; }
 935
 936         /* can't really happen, unless the user replaces the file while the dialog is open.. */
 937         if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 938                 PBD::warning << string_compose(_("Could not read file: %1 (%2)."), path, strerror(errno)) << endmsg;
 939                 return;
 940         }
 941         if (SMFSource::valid_midi_file (path)) { return; }
 942
 943         boost::shared_ptr<Region> r;
 944         SourceList srclist;
 945         boost::shared_ptr<AudioFileSource> afs;
 946         bool old_sbp = AudioSource::get_build_peakfiles ();
 947
 948         /* don't even think of building peakfiles for these files */
 949         AudioSource::set_build_peakfiles (false);
 950
 951         for (unsigned int n = 0; n < n_chn; ++n) {
 952                 try {
 953                         afs = boost::dynamic_pointer_cast<AudioFileSource> (
 954                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 955                                                                                  path, n,
 956                                                                                  Source::Flag (ARDOUR::AudioFileSource::NoPeakFile), false));
 957                         if (afs->sample_rate() != _session->nominal_frame_rate()) {
 958                                 boost::shared_ptr<SrcFileSource> sfs (new SrcFileSource(*_session, afs, ARDOUR::SrcGood));
 959                                 srclist.push_back(sfs);
 960                         } else {
 961                                 srclist.push_back(afs);
 962                         }
 963                 } catch (failed_constructor& err) {
 964                         PBD::error << _("Could not access soundfile: ") << path << endmsg;
 965                         AudioSource::set_build_peakfiles (old_sbp);
 966                         return;
 967                 }
 968         }
 969
 970         AudioSource::set_build_peakfiles (old_sbp);
 971
 972         if (srclist.empty()) {
 973                 return;
 974         }
 975
 976         afs = boost::dynamic_pointer_cast<AudioFileSource> (srclist[0]);
 977         std::string rname = region_name_from_path (afs->path(), false);
 978
 979         PBD::PropertyList plist;
 980
 981         plist.add (ARDOUR::Properties::start, 0);
 982         plist.add (ARDOUR::Properties::length, srclist[0]->length(srclist[0]->timeline_position()));
 983         plist.add (ARDOUR::Properties::name, rname);
 984         plist.add (ARDOUR::Properties::layer, 0);
 985
 986         r = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (srclist, plist, false));
 987
 988         r->set_position(0);
 989         _session->audition_region(r);
 990         _audition_num = page;
 991 }
 992
 993 void
 994 ExportReport::play_audition ()
 995 {
 996         if (_audition_num >= 0 || !_session) { return; }
 997         if (files.find (_page_num) == files.end()) { return; }
 998         audition (files[_page_num].path, files[_page_num].channels, _page_num);
 999 }
1000
1001 void
1002 ExportReport::stop_audition ()
1003 {
1004         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1005                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1006                                 i != timeline[_audition_num].end();
1007                                 ++i) {
1008                         (*i)->set_playhead (-1);
1009                 }
1010         }
1011         if (_session) {
1012                 _session->cancel_audition();
1013         }
1014 }
1015
1016 void
1017 ExportReport::on_switch_page (GtkNotebookPage*, guint page_num)
1018 {
1019         if (_audition_num == _page_num) {
1020                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1021                                 i != timeline[_audition_num].end();
1022                                 ++i) {
1023                         (*i)->set_playhead (-1);
1024                 }
1025         }
1026         _page_num = page_num;
1027 }
1028
1029 void
1030 ExportReport::audition_progress (framecnt_t pos, framecnt_t len)
1031 {
1032         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1033                 const float p = (float)pos / len;
1034                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1035                                 i != timeline[_audition_num].end();
1036                                 ++i) {
1037                         (*i)->set_playhead (p);
1038                 }
1039         }
1040 }
1041
1042 void
1043 ExportReport::audition_seek (int page, float pos)
1044 {
1045         if (_audition_num == page && _session) {
1046                 _session->the_auditioner()->seek_to_percent (100.f * pos);
1047         }
1048 }
1049
1050 void
1051 ExportReport::on_logscale_toggled (Gtk::ToggleButton* b)
1052 {
1053         bool en = b->get_active ();
1054         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1055                 (*i)->set_logscale (en);
1056         }
1057 }
1058
1059 void
1060 ExportReport::on_rectivied_toggled (Gtk::ToggleButton* b)
1061 {
1062         bool en = b->get_active ();
1063         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1064                 (*i)->set_rectified (en);
1065         }
1066 }
1067
1068 void
1069 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)
1070 {
1071         int w, h;
1072         Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
1073         const float ht = 2.f * height_2;
1074
1075         std::vector<double> dashes;
1076         dashes.push_back (3.0);
1077         dashes.push_back (5.0);
1078
1079         wave = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, ht);
1080         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (wave);
1081         cr->set_operator (Cairo::OPERATOR_SOURCE);
1082         cr->rectangle (0, 0, m_l, ht);
1083         cr->set_source_rgba (0, 0, 0, 0);
1084         cr->fill ();
1085         cr->rectangle (m_l, 0, width, ht);
1086         cr->set_source_rgba (0, 0, 0, 1.0);
1087         cr->fill ();
1088         cr->set_operator (Cairo::OPERATOR_OVER);
1089
1090         cr->set_source_rgba (.7, .7, .7, 1.0);
1091         cr->set_line_width (1.0);
1092
1093         // -1dB range
1094         float clip_top;
1095         float clip_bot;
1096
1097         if (rect) {
1098                 clip_bot = ht;
1099
1100                 if (log) {
1101                         clip_top = ht * (1.f - alt_log_meter (-1));
1102                         for (size_t x = 0 ; x < width; ++x) {
1103                                 const float v = alt_log_meter (fast_coefficient_to_dB (std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min))));
1104                                 cr->move_to (m_l + x - .5, ht - ht * v);
1105                                 cr->line_to (m_l + x - .5, ht);
1106                         }
1107                         cr->stroke ();
1108                 } else {
1109                         clip_top = ht * (1.f - dB_to_coefficient (-1));
1110                         for (size_t x = 0 ; x < width; ++x) {
1111                                 const float v = std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min));
1112                                 cr->move_to (m_l + x - .5, ht - ht * v);
1113                                 cr->line_to (m_l + x - .5, ht);
1114                         }
1115                         cr->stroke ();
1116                 }
1117         } else {
1118                 if (log) {
1119                         clip_top = height_2 - height_2 * alt_log_meter (-1);
1120                         clip_bot = height_2 + height_2 * alt_log_meter (-1);
1121                         for (size_t x = 0 ; x < width; ++x) {
1122                                 float pmax, pmin;
1123                                 if (p->peaks[c][x].max > 0) {
1124                                         pmax =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].max));
1125                                 } else {
1126                                         pmax = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].max));
1127                                 }
1128
1129                                 if (p->peaks[c][x].min > 0) {
1130                                         pmin =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].min));
1131                                 } else {
1132                                         pmin = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].min));
1133                                 }
1134                                 cr->move_to (m_l + x - .5, height_2 - height_2 * pmax);
1135                                 cr->line_to (m_l + x - .5, height_2 - height_2 * pmin);
1136                         }
1137                         cr->stroke ();
1138                 } else {
1139                         clip_top = height_2 - height_2 * dB_to_coefficient (-1);
1140                         clip_bot = height_2 + height_2 * dB_to_coefficient (-1);
1141                         for (size_t x = 0 ; x < width; ++x) {
1142                                 cr->move_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].max);
1143                                 cr->line_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].min);
1144                         }
1145                         cr->stroke ();
1146                 }
1147         }
1148
1149         // >= 0dBFS
1150         cr->set_source_rgba (1.0, 0, 0, 1.0);
1151         for (size_t x = 0 ; x < width; ++x) {
1152                 if (p->peaks[c][x].max >= 1.0) {
1153                         cr->move_to (m_l + x - .5, 0);
1154                         cr->line_to (m_l + x - .5, clip_top);
1155                 }
1156                 if (p->peaks[c][x].min <= -1.0) {
1157                         cr->move_to (m_l + x - .5, clip_bot);
1158                         cr->line_to (m_l + x - .5, ht);
1159                 }
1160         }
1161         cr->stroke ();
1162
1163         // >= -1dBTP (coeff >= .89125, libs/vamp-plugins/TruePeak.cpp)
1164         cr->set_source_rgba (1.0, 0.7, 0, 0.7);
1165         for (std::set<framepos_t>::const_iterator i = p->truepeakpos[c].begin (); i != p->truepeakpos[c].end (); ++i) {
1166                 cr->move_to (m_l + (*i) - .5, clip_top);
1167                 cr->line_to (m_l + (*i) - .5, clip_bot);
1168                 cr->stroke ();
1169         }
1170
1171         if (!rect) {
1172                 // zero line
1173                 cr->set_source_rgba (.3, .3, .3, 0.7);
1174                 cr->move_to (m_l + 0, height_2 - .5);
1175                 cr->line_to (m_l + width, height_2 - .5);
1176                 cr->stroke ();
1177         }
1178
1179         // Unit
1180         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
1181         layout->set_alignment (Pango::ALIGN_LEFT);
1182         layout->set_text (_("dBFS"));
1183         layout->get_pixel_size (w, h);
1184         cr->move_to (rint (m_l - h - anw - 10), rint (height_2 + w * .5));
1185         cr->set_source_rgba (.9, .9, .9, 1.0);
1186         cr->save ();
1187         cr->rotate (M_PI / -2.0);
1188         layout->show_in_cairo_context (cr);
1189         cr->restore ();
1190
1191         // x-Axis
1192         cr->set_line_width (1.0);
1193         cr->set_dash (dashes, 2.0);
1194         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
1195
1196         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
1197
1198         if (rect) {
1199                 if (log) {
1200                         XAXISLABEL ((ht - ht * alt_log_meter (-36)), _("-36"));
1201                         XAXISLABEL ((ht - ht * alt_log_meter (-18)), _("-18"));
1202                         XAXISLABEL ((ht - ht * alt_log_meter (-9)), _("-9"));
1203                         XAXISLABEL ((ht - ht * alt_log_meter (-3)), _("-3"));
1204                 } else {
1205                         XAXISLABEL ((ht - ht * .1259), _("-18"));
1206                         XAXISLABEL ((ht - ht * .3548), _("-9"));
1207                         XAXISLABEL ((ht - ht * .7079), _("-3"));
1208                 }
1209         } else {
1210                 if (log) {
1211                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-18)), _("-18"));
1212                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-9)), _("-9"));
1213                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-3)), _("-3"));
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                 } else {
1218                         XAXISLABEL (height_2 * 0.6452, _("-9"));
1219                         XAXISLABEL (height_2 * 1.3548, _("-9"));
1220                         XAXISLABEL (height_2 * 0.2921, _("-3"));
1221                         XAXISLABEL (height_2 * 1.7079, _("-3"));
1222                 }
1223         }
1224         wave->flush ();
1225 }