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
  29 #include "gtkmm2ext/utils.h"
  30 #include "gtkmm2ext/colors.h"
  31
  32 #include "audiographer/general/analyser.h"
  33
  34 #include "ardour/audiofilesource.h"
  35 #include "ardour/audioregion.h"
  36 #include "ardour/auditioner.h"
  37 #include "ardour/dB.h"
  38 #include "ardour/logmeter.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 #include "ardour/utils.h"
  45
  46 #include "audio_clock.h"
  47 #include "export_report.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                 samplecnt_t file_length = 0;
 127                 samplecnt_t sample_rate = 0;
 128                 samplecnt_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                         samplecnt_t const nfr = _session ? _session->nominal_sample_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                         with_file = false;
 186                         /* Note: errmsg can have size = 1, and contain "\0\0" */
 187                         if (!errmsg.empty() && 0 != strlen(errmsg.c_str())) {
 188                                 l = manage (new Label (_("Error:"), ALIGN_END));
 189                                 t->attach (*l, 0, 1, 1, 2);
 190                                 l = manage (new Label (errmsg, ALIGN_START));
 191                                 t->attach (*l, 1, 4, 1, 2);
 192                         }
 193                 }
 194
 195                 int w, h;
 196                 Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
 197
 198                 // calc geometry of numerics
 199                 const float dbfs = accurate_coefficient_to_dB (p->peak);
 200                 const float dbtp = accurate_coefficient_to_dB (p->truepeak);
 201
 202 #define TXTSIZE(LINE, TXT, FONT) {                                     \
 203   layout->set_font_description (UIConfiguration::instance ().FONT ()); \
 204   layout->set_text (TXT);                                              \
 205   layout->get_pixel_size (w, h);                                       \
 206   if (w > mnw) { mnw = w; }                                            \
 207   if (h > lin[LINE]) { lin[LINE] = h; }                                \
 208 }
 209
 210 #define TXTWIDTH(TXT, FONT) {                                          \
 211   layout->set_font_description (UIConfiguration::instance ().FONT ()); \
 212   layout->set_text (TXT);                                              \
 213   layout->get_pixel_size (w, h);                                       \
 214   if (w > mml) { mml = w; }                                            \
 215 }
 216
 217                 int m_r = 0; // right side
 218                 int mnh = 0; // mono height
 219                 int mnw = 0; // max numeric width
 220                 int anw = 0; // spectrum annotation text width
 221
 222                 int lin[6] = { 0, 0, 0, 0, 0, 0 }; // max line height
 223
 224                 TXTSIZE(0, _("(too short integration time)"), get_SmallFont);
 225
 226                 TXTSIZE(0, _("-888"), get_SmallMonospaceFont);
 227                 anw = w;
 228                 m_r = anw + 10;
 229                 mnh = h + 1;
 230
 231                 TXTSIZE(0, _("Peak:"), get_SmallFont);
 232                 TXTSIZE(1, string_compose (_("%1 dBFS"), std::setprecision (1), std::fixed, dbfs), get_LargeFont);
 233                 TXTSIZE(2, _("True Peak:"), get_SmallFont);
 234                 TXTSIZE(3, string_compose (_("%1 dBTP"), std::setprecision (1), std::fixed, dbtp), get_LargeFont);
 235                 TXTSIZE(4, _("Normalization Gain:"), get_SmallFont);
 236                 TXTSIZE(5, _("+888.88 dB"), get_SmallMonospaceFont);
 237
 238                 TXTSIZE(0, _("Integrated Loudness:"), get_SmallFont);
 239                 TXTSIZE(1, string_compose (_("%1 LUFS"), std::setprecision (1), std::fixed, p->loudness), get_LargeFont);
 240                 TXTSIZE(2, _("Loudness Range:"), get_SmallFont);
 241                 TXTSIZE(3, string_compose (_("%1 LU"), std::setprecision (1), std::fixed, p->loudness_range), get_LargeFont);
 242
 243                 mnw += 8;
 244                 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];
 245                 const int hh = std::max (100, ht + 12);
 246                 const int htn = lin[0] * 1.25 + lin[1] * 1.25 + lin[2] * 1.25 + lin[3];
 247                 int m_l =  2 * mnw + /*hist-width*/ 540 + /*box spacing*/ 8 - /*peak-width*/ 800 - m_r; // margin left
 248
 249                 int mml = 0; // min margin left -- ensure left margin is wide enough
 250                 TXTWIDTH (_("Time"), get_SmallFont);
 251                 TXTWIDTH (_("100"), get_SmallMonospaceFont);
 252                 m_l = (std::max(anw + mnh + 14, std::max (m_l, mml + 8)) + 3) & ~3;
 253
 254                 mnw = (m_l - /*hist-width*/ 540 - /*box spacing*/ 8 + /*peak-width*/ 800 + m_r) / 2;
 255                 const int nw2 = mnw / 2; // nums, horizontal center
 256
 257                 int y0[6];
 258                 if (p->normalized) {
 259                         y0[0] = (hh - ht) * .5;
 260                 } else {
 261                         y0[0] = (hh - htn) * .5;
 262                 }
 263                 y0[1] = y0[0] + lin[0] * 1.25;
 264                 y0[2] = y0[1] + lin[1] * 1.25;
 265                 y0[3] = y0[2] + lin[2] * 1.25;
 266                 y0[4] = y0[3] + lin[3] * 1.25;
 267                 y0[5] = y0[4] + lin[4] * 1.25;
 268
 269                 /* calc heights & alignment of png-image */
 270                 const float specth = sizeof (p->spectrum[0]) / sizeof (float);
 271                 const float waveh2 = std::min (100, 8 * lin[0] / (int) p->n_channels);
 272
 273                 Cairo::RefPtr<Cairo::ImageSurface> png_surface;
 274                 int png_w = 0;
 275                 int png_y0 = 0;
 276
 277                 if (with_file && UIConfiguration::instance().get_save_export_analysis_image ()) { /*png image */
 278                         const int top_w = 540 + 2 * (mnw + 4); // 4px spacing
 279                         const int wav_w = m_l + m_r + 4 + sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 280                         const int spc_w = m_l + m_r + 4 + sizeof (p->spectrum) / sizeof (float) / specth;
 281                         int ann_h = 0;
 282                         int linesp = 0;
 283
 284                         if (channels > 0 && file_length > 0 && sample_rate > 0) {
 285                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 286                                 layout->set_text (_("00:00:00.000"));
 287                                 layout->get_pixel_size (w, h);
 288                                 int height = h * 1.75;
 289                                 ann_h = 4 + height /* Time Axis */;
 290
 291                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 292                                 layout->set_text (_("0|A8"));
 293                                 layout->get_pixel_size (w, h);
 294                                 linesp = h * 1.5;
 295                                 ann_h += 4 + 3 * linesp; /* File Info */;
 296                         }
 297
 298                         const int png_h = hh + 4 + p->n_channels * (2 * waveh2 + 4) + ann_h + specth + 4;
 299                         png_w = std::max (std::max (top_w, wav_w), spc_w);
 300
 301                         png_surface = Cairo::ImageSurface::create (Cairo::FORMAT_RGB24, png_w, png_h);
 302                         Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 303                         pcx->set_source_rgb (.2, .2, .2);
 304                         pcx->paint ();
 305
 306                         if (channels > 0 && file_length > 0 && sample_rate > 0) {
 307                                 png_y0 += 4;
 308                                 // Add file-name, format, duration, sample-rate & timecode
 309                                 pcx->set_source_rgb (.7, .7, .7);
 310                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 311                                 layout->set_alignment (Pango::ALIGN_LEFT);
 312
 313 #define IMGLABEL(X0, STR, VAL) {       \
 314   layout->set_text (STR);              \
 315   pcx->move_to (X0, png_y0);           \
 316   layout->get_pixel_size (w, h);       \
 317   layout->show_in_cairo_context (pcx); \
 318   layout->set_text (VAL);              \
 319   pcx->move_to (X0 + w + 2, png_y0);   \
 320   layout->show_in_cairo_context (pcx); \
 321 }
 322
 323                                 // TODO get max width of labels per column, right-align labels,  x-align 1/3, 2/3 columns
 324                                 const int lx0 = m_l;
 325                                 const int lx1 = m_l + png_w * 2 / 3; // right-col is short (channels, SR, duration)
 326                                 std::string sha1sum = ARDOUR::compute_sha1_of_file (path);
 327                                 if (!sha1sum.empty()) {
 328                                         sha1sum = " (sha1: " + sha1sum + ")";
 329                                 }
 330
 331                                 IMGLABEL (lx0, _("File:"), Glib::path_get_basename (path) + sha1sum);
 332                                 IMGLABEL (lx1, _("Channels:"), string_compose ("%1", channels));
 333                                 png_y0 += linesp;
 334
 335                                 IMGLABEL (lx0, _("Format:"), file_fmt);
 336                                 IMGLABEL (lx1, _("Sample rate:"), string_compose (_("%1 Hz"), sample_rate));
 337                                 png_y0 += linesp;
 338
 339                                 if (_session) {
 340                                         Timecode::Time tct;
 341                                         _session->sample_to_timecode (start_off, tct, false, false);
 342                                         IMGLABEL (lx0, _("Timecode:"), Timecode::timecode_format_time (tct));
 343                                 }
 344                                 IMGLABEL (lx1, _("Duration:"), Timecode::timecode_format_sampletime (file_length, sample_rate, 1000, false));
 345                                 png_y0 += linesp;
 346                         }
 347                 }
 348
 349                 { /* peak, loudness and R128 histogram */
 350                         Cairo::RefPtr<Cairo::ImageSurface> nums = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 351                         Cairo::RefPtr<Cairo::ImageSurface> ebur = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 352                         Cairo::RefPtr<Cairo::ImageSurface> hist = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 540, hh);
 353
 354                         /* peak and true-peak numerics */
 355                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (nums);
 356                         cr->set_source_rgba (0, 0, 0, 1.0);
 357                         cr->paint ();
 358
 359                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 360                         layout->set_alignment (Pango::ALIGN_LEFT);
 361                         layout->set_text (_("Peak:"));
 362                         layout->get_pixel_size (w, h);
 363                         cr->move_to (rint (nw2 - w * .5), y0[0]);
 364                         cr->set_source_rgba (.7, .7, .7, 1.0);
 365                         layout->show_in_cairo_context (cr);
 366
 367                         layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 368                         layout->set_text (string_compose (_("%1 dBFS"), std::setprecision (1), std::fixed, dbfs));
 369                         layout->get_pixel_size (w, h);
 370                         cr->move_to (rint (nw2 - w * .5), y0[1]);
 371                         if (dbfs >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 372                         else if (dbfs > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 373                         layout->show_in_cairo_context (cr);
 374
 375                         if (p->have_dbtp) {
 376                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 377                                 layout->set_text (_("True Peak:"));
 378                                 layout->get_pixel_size (w, h);
 379                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 380                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 381                                 layout->show_in_cairo_context (cr);
 382
 383                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 384                                 layout->set_text (string_compose (_("%1 dBTP"), std::setprecision (1), std::fixed, dbtp));
 385                                 layout->get_pixel_size (w, h);
 386                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 387                                 if (dbtp >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 388                                 else if (dbtp > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 389                                 layout->show_in_cairo_context (cr);
 390                         }
 391
 392                         if (p->normalized) {
 393                                 const float ndb = accurate_coefficient_to_dB (p->norm_gain_factor);
 394                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 395                                 layout->set_text (_("Normalization Gain:"));
 396                                 layout->get_pixel_size (w, h);
 397                                 cr->move_to (rint (nw2 - w * .5), y0[4]);
 398                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 399                                 layout->show_in_cairo_context (cr);
 400
 401                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 402                                 layout->set_text (string_compose (_("%1 dB"), std::setprecision (2), std::showpos, std::fixed, ndb));
 403
 404                                 layout->get_pixel_size (w, h);
 405                                 cr->move_to (rint (nw2 - w * .5), y0[5]);
 406                                 // TODO tweak thresholds
 407                                 if (p->norm_gain_factor < 1.0) {
 408                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 409                                 } else if (p->norm_gain_factor == 1.0) {
 410                                         cr->set_source_rgba (.7, .7, .7, 1.0);
 411                                 } else if (fabsf (ndb) < 12) {
 412                                         cr->set_source_rgba (.1, 1.0, .1, 1.0);
 413                                 } else if (fabsf (ndb) < 18) {
 414                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 415                                 } else {
 416                                         cr->set_source_rgba (1.0, .1, .1, 1.0);
 417                                 }
 418                                 layout->show_in_cairo_context (cr);
 419                         }
 420
 421                         nums->flush ();
 422
 423                         /* EBU R128 numerics */
 424                         cr = Cairo::Context::create (ebur);
 425                         cr->set_source_rgba (0, 0, 0, 1.0);
 426                         cr->paint ();
 427
 428                         cr->set_source_rgba (.7, .7, .7, 1.0);
 429
 430                         if (!i->second->have_loudness) {
 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 - h) * .5));
 436                                 layout->show_in_cairo_context (cr);
 437                         }
 438                         else if (p->loudness == -200 && p->loudness_range == 0) {
 439                                 layout->set_alignment (Pango::ALIGN_CENTER);
 440                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 441                                 layout->set_text (_("Not\nAvailable"));
 442                                 layout->get_pixel_size (w, h);
 443                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 - h * .66));
 444                                 layout->show_in_cairo_context (cr);
 445                                 int yy = h * .5;
 446
 447                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 448                                 layout->set_text (_("(too short integration time)"));
 449                                 layout->get_pixel_size (w, h);
 450                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 + yy));
 451                                 layout->show_in_cairo_context (cr);
 452
 453                         } else {
 454                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 455                                 layout->set_alignment (Pango::ALIGN_LEFT);
 456                                 layout->set_text (_("Integrated Loudness:"));
 457                                 layout->get_pixel_size (w, h);
 458                                 cr->move_to (rint (nw2 - w * .5), y0[0]);
 459                                 layout->show_in_cairo_context (cr);
 460
 461                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 462                                 layout->set_text (string_compose (_("%1 LUFS"), std::setprecision (1), std::fixed,  p->loudness));
 463                                 layout->get_pixel_size (w, h);
 464                                 cr->move_to (rint (nw2 - w * .5), y0[1]);
 465                                 layout->show_in_cairo_context (cr);
 466
 467                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 468                                 layout->set_text (_("Loudness Range:"));
 469                                 layout->get_pixel_size (w, h);
 470                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 471                                 layout->show_in_cairo_context (cr);
 472
 473                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 474                                 layout->set_text (string_compose (_("%1 LU"), std::setprecision (1), std::fixed, p->loudness_range));
 475                                 layout->get_pixel_size (w, h);
 476                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 477                                 layout->show_in_cairo_context (cr);
 478                         }
 479                         ebur->flush ();
 480
 481                         /* draw loudness histogram */
 482                         cr = Cairo::Context::create (hist);
 483                         cr->set_source_rgba (0, 0, 0, 1.0);
 484                         cr->paint ();
 485
 486                         cr->set_source_rgba (.7, .7, .7, 1.0);
 487                         cr->set_line_width (1.0);
 488
 489                         if (p->loudness_hist_max > 0 && i->second->have_loudness) {
 490                                 // draw data
 491                                 for (size_t x = 0 ; x < 510; ++x) {
 492                                         cr->move_to (x - .5, hh);
 493                                         cr->line_to (x - .5, (float) hh * (1.0 - p->loudness_hist[x] / (float) p->loudness_hist_max));
 494                                         cr->stroke ();
 495                                 }
 496
 497                                 layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 498                                 layout->set_alignment (Pango::ALIGN_CENTER);
 499
 500                                 // x-axis label
 501                                 layout->set_text (_("LUFS\n(short)"));
 502                                 layout->get_pixel_size (w, h);
 503                                 Gtkmm2ext::rounded_rectangle (cr, 5, 5, w + 2, h + 2, 4);
 504                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 505                                 cr->fill ();
 506                                 cr->move_to (6, 6);
 507                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 508                                 layout->show_in_cairo_context (cr);
 509
 510                                 // y-axis label
 511                                 layout->set_text (_("Multiplicity"));
 512                                 layout->get_pixel_size (w, h);
 513                                 Gtkmm2ext::rounded_rectangle (cr, 5, hh - w - 3, h + 2, w + 2, 4);
 514                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 515                                 cr->fill ();
 516                                 cr->save ();
 517                                 cr->move_to (6, hh - 2);
 518                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 519                                 cr->rotate (M_PI / -2.0);
 520                                 layout->show_in_cairo_context (cr);
 521                                 cr->restore ();
 522
 523                                 // x-Axis labels
 524                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 525                                 layout->set_alignment (Pango::ALIGN_LEFT);
 526                                 for (int g = -53; g <= -8; g += 5) {
 527                                         // grid-lines. [110] -59LUFS .. [650]: -5 LUFS
 528                                         layout->set_text (string_compose ("%1", std::setw(3), std::setfill(' '), g));
 529                                         layout->get_pixel_size (w, h);
 530
 531                                         cr->set_operator (Cairo::OPERATOR_OVER);
 532                                         Gtkmm2ext::rounded_rectangle (cr,
 533                                                         rint ((g + 59.0) * 10.0 - h * .5), 5,
 534                                                         h + 2, w + 2, 4);
 535                                         const float pk = (g + 59.0) / 54.0;
 536                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, .3 + pk * .4, .6);
 537                                         Gtkmm2ext::set_source_rgba (cr, c);
 538                                         cr->fill ();
 539
 540                                         cr->save ();
 541                                         cr->set_source_rgba (.9, .9, .9, 1.0);
 542                                         cr->move_to (rint ((g + 59.0) * 10.0 - h * .5), w + 6.0);
 543                                         cr->rotate (M_PI / -2.0);
 544                                         layout->show_in_cairo_context (cr);
 545                                         cr->restore ();
 546
 547                                         cr->set_operator (Cairo::OPERATOR_ADD);
 548                                         cr->save ();
 549                                         cr->set_source_rgba (.3, .3, .3, 1.0);
 550                                         cr->set_dash (dashes, 1.0);
 551                                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 552                                         cr->move_to (rint ((g + 59.0) * 10.0) + .5, w + 8.0);
 553                                         cr->line_to (rint ((g + 59.0) * 10.0) + .5, hh);
 554                                         cr->stroke ();
 555                                         cr->restore ();
 556                                 }
 557
 558                         } else {
 559                                 layout->set_alignment (Pango::ALIGN_CENTER);
 560                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 561                                 layout->set_text (_("Not\nAvailable"));
 562                                 layout->get_pixel_size (w, h);
 563                                 cr->move_to (rint ((510 - w) * .5), rint ((hh - h) * .5));
 564                                 layout->show_in_cairo_context (cr);
 565                         }
 566
 567                         hist->flush ();
 568
 569                         if (png_surface) {
 570                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 571                                 pcx->set_source (nums, 0, png_y0);
 572                                 pcx->paint ();
 573                                 pcx->set_source (hist, (png_w - 540) / 2, png_y0);
 574                                 pcx->paint ();
 575                                 pcx->set_source (ebur, png_w - mnw, png_y0);
 576                                 pcx->paint ();
 577                                 png_y0 += hh + 4;
 578                         }
 579
 580                         CimgArea *nu = manage (new CimgArea (nums));
 581                         CimgArea *eb = manage (new CimgArea (ebur));
 582                         CimgArea *hi = manage (new CimgArea (hist));
 583                         HBox *hb = manage (new HBox ());
 584                         hb->set_spacing (4);
 585                         hb->pack_start (*nu, false, false);
 586                         hb->pack_start (*hi, false, false);
 587                         hb->pack_start (*eb, false, false);
 588
 589                         wtbl->attach (*hb, 0, 2, wrow, wrow + 1, SHRINK, SHRINK);
 590                         ++wrow;
 591                 }
 592
 593 #define XAXISLABEL(POS, TXT) {                            \
 594   const float yy = rint (POS);                            \
 595   layout->set_text (TXT);                                 \
 596   layout->get_pixel_size (w, h);                          \
 597   cr->move_to (m_l - 8 - w, rint ((POS) - h * .5));       \
 598   cr->set_source_rgba (.9, .9, .9, 1.0);                  \
 599   cr->set_operator (Cairo::OPERATOR_OVER);                \
 600   layout->show_in_cairo_context (cr);                     \
 601   cr->move_to (m_l - 4, yy - .5);                         \
 602   cr->line_to (m_l + width, yy - .5);                     \
 603   cr->set_source_rgba (.3, .3, .3, 1.0);                  \
 604   cr->set_operator (Cairo::OPERATOR_ADD);                 \
 605   cr->stroke ();                                          \
 606 }
 607
 608
 609                 {
 610                         VBox *lrb = manage (new VBox());
 611                         ToggleButton *log = manage (new ToggleButton (S_("Logscale|Lg")));
 612                         ToggleButton *rec = manage (new ToggleButton (S_("Rectified|Rf")));
 613                         Gtkmm2ext::UI::instance()->set_tip (log, _("Logscale"));
 614                         Gtkmm2ext::UI::instance()->set_tip (rec, _("Rectified"));
 615
 616                         lrb->pack_start (*log, false, false, 5);
 617                         lrb->pack_end (*rec, false, false, 5);
 618                         log->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_logscale_toggled), log));
 619                         rec->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_rectivied_toggled), rec));
 620                         lrb->show_all ();
 621                         wtbl->attach (*lrb, 1, 2, wrow, wrow + p->n_channels, SHRINK, SHRINK);
 622                 }
 623
 624                 for (uint32_t c = 0; c < p->n_channels; ++c) {
 625                         /* draw waveform */
 626                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 627
 628                         Cairo::RefPtr<Cairo::ImageSurface> wave;
 629                         Cairo::RefPtr<Cairo::ImageSurface> wave_log;
 630                         Cairo::RefPtr<Cairo::ImageSurface> wave_rect;
 631                         Cairo::RefPtr<Cairo::ImageSurface> wave_lr;
 632                         draw_waveform(wave, p, c, m_l, width, anw, waveh2, false, false);
 633                         draw_waveform(wave_log, p, c, m_l, width, anw, waveh2, true, false);
 634                         draw_waveform(wave_rect, p, c, m_l, width, anw, waveh2, false, true);
 635                         draw_waveform(wave_lr, p, c, m_l, width, anw, waveh2, true, true);
 636
 637                         CimgWaveArea *wv = manage (new CimgWaveArea (wave, wave_log, wave_rect, wave_lr, m_l, width));
 638
 639                         playhead_widgets.push_back (wv);
 640                         waves.push_back (wv);
 641                         wv->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 642                         wtbl->attach (*wv, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 643                         ++wrow;
 644
 645                         if (png_surface) {
 646                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 647                                 pcx->set_source (wave, 0, png_y0);
 648                                 pcx->paint ();
 649                                 png_y0 += 2 * waveh2 + 4;
 650                         }
 651                 }
 652
 653                 if (channels > 0 && file_length > 0 && sample_rate > 0)
 654                 {
 655                         /* Time Axis  -- re-use waveform width */
 656                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 657                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 658                         layout->set_text (_("00:00:00.000"));
 659                         layout->get_pixel_size (w, h);
 660                         int height = h * 1.75;
 661                         Cairo::RefPtr<Cairo::ImageSurface> ytme = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 662                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (ytme);
 663                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 664                         cr->set_source_rgba (0, 0, 0, 1.0);
 665                         cr->paint ();
 666                         cr->rectangle (0, 0, m_l, height);
 667                         cr->set_source_rgba (0, 0, 0, 0);
 668                         cr->fill ();
 669                         cr->set_operator (Cairo::OPERATOR_OVER);
 670
 671                         cr->set_line_width (1.0);
 672                         for (int i = 0; i <= 4; ++i) {
 673                                 const float fract = (float) i / 4.0;
 674                                 // " XX:XX:XX.XXX"  [space/minus] 12 chars = 13.
 675                                 const float xalign = (i == 4) ? 1.0 : (i == 0) ? 1.0 / 13.0 : 7.0 / 13.0;
 676
 677                                 char buf[16];
 678                                 AudioClock::print_minsec (start_off + file_length * fract,
 679                                                 buf, sizeof (buf), sample_rate);
 680
 681                                 layout->set_text (buf);
 682                                 layout->get_pixel_size (w, h);
 683                                 cr->move_to (rint (m_l + width * fract - w * xalign), rint (.5 * (height - h)));
 684                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 685                                 layout->show_in_cairo_context (cr);
 686
 687                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 688                                 cr->move_to (rint (m_l + width * fract) - .5, 0);
 689                                 cr->line_to (rint (m_l + width * fract) - .5, ceil  (height * .15));
 690                                 cr->move_to (rint (m_l + width * fract) - .5, floor (height * .85));
 691                                 cr->line_to (rint (m_l + width * fract) - .5, height);
 692                                 cr->stroke ();
 693                         }
 694
 695                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 696                         layout->set_text (_("Time"));
 697                         cr->set_source_rgba (.9, .9, .9, 1.0);
 698                         layout->get_pixel_size (w, h);
 699                         cr->move_to (rint (m_l - w - 8), rint (.5 * (height - h)));
 700                         layout->show_in_cairo_context (cr);
 701
 702                         ytme->flush ();
 703                         CimgPlayheadArea *tm = manage (new CimgPlayheadArea (ytme, m_l, width, true));
 704                         playhead_widgets.push_back (tm);
 705                         tm->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 706                         wtbl->attach (*tm, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 707                         ++wrow;
 708
 709                         if (png_surface) {
 710                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 711                                 pcx->set_source (ytme, 0, png_y0);
 712                                 pcx->paint ();
 713                                 png_y0 += height + 4;
 714                         }
 715                 }
 716
 717                 {
 718                         /* Draw Spectrum */
 719                         const size_t height = specth;
 720                         const size_t swh = sizeof (p->spectrum) / sizeof (float);
 721                         const size_t width = swh / height;
 722
 723                         Cairo::RefPtr<Cairo::ImageSurface> spec = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 724                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (spec);
 725                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 726                         cr->rectangle (0, 0, m_l, height);
 727                         cr->set_source_rgba (0, 0, 0, 0);
 728                         cr->fill ();
 729                         cr->rectangle (m_l, 0, width, height);
 730                         cr->set_source_rgba (0, 0, 0, 1.0);
 731                         cr->fill ();
 732                         cr->set_operator (Cairo::OPERATOR_OVER);
 733
 734                         for (size_t x = 0 ; x < width; ++x) {
 735                                 for (size_t y = 0 ; y < height; ++y) {
 736                                         const float pk = p->spectrum[x][y];
 737                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 738                                         Gtkmm2ext::set_source_rgba (cr, c);
 739                                         cr->rectangle (m_l + x - .5, y - .5, 1, 1);
 740                                         cr->fill ();
 741                                 }
 742                         }
 743
 744                         // Unit
 745                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 746                         layout->set_text (_("Hz"));
 747                         layout->get_pixel_size (w, h);
 748                         cr->move_to (rint (m_l - h - anw - 10), rint ((height + w) * .5));
 749                         cr->set_source_rgba (.9, .9, .9, 1.0);
 750                         cr->save ();
 751                         cr->rotate (M_PI / -2.0);
 752                         layout->show_in_cairo_context (cr);
 753                         cr->restore ();
 754
 755                         // x-Axis
 756                         cr->set_line_width (1.0);
 757                         cr->set_dash (dashes, 2.0);
 758                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 759
 760                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 761                         //XAXISLABEL (p->freq[0], _("50Hz"));
 762                         XAXISLABEL (p->freq[1], _("100"));
 763                         XAXISLABEL (p->freq[2], _("500"));
 764                         XAXISLABEL (p->freq[3], _("1K"));
 765                         XAXISLABEL (p->freq[4], _("5K"));
 766                         XAXISLABEL (p->freq[5], _("10K"));
 767                         spec->flush ();
 768
 769                         // annotations
 770                         Cairo::RefPtr<Cairo::ImageSurface> scale = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_r, height);
 771                         cr = Cairo::Context::create (scale);
 772                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 773                         cr->rectangle (0, 0, m_r, height);
 774                         cr->set_source_rgba (0, 0, 0, 0);
 775                         cr->fill ();
 776
 777                         cr->set_operator (Cairo::OPERATOR_OVER);
 778                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 779                         layout->set_alignment (Pango::ALIGN_LEFT);
 780                         layout->set_text (_("dBFS"));
 781                         layout->get_pixel_size (w, h);
 782                         cr->move_to (rint (.5 * (m_r - w)), height - h - 2);
 783                         cr->set_source_rgba (.9, .9, .9, 1.0);
 784                         layout->show_in_cairo_context (cr);
 785
 786                         int innertop = ceil (mnh * .5) + 1;
 787                         size_t innerheight = (height - 2 * innertop - h - 2);
 788
 789                         cr->rectangle (1, innertop - 1,  m_r - 2 - anw, innerheight + 2);
 790                         cr->set_source_rgba (0, 0, 0, 1.0);
 791                         cr->fill_preserve ();
 792                         cr->set_line_width (1.0);
 793                         cr->set_source_rgba (.7, .7, .6, 1.0);
 794                         cr->stroke ();
 795
 796                         for (size_t y = 0 ; y < innerheight - 2; ++y) {
 797                                         const float pk = 1.0 - (float) y / innerheight;
 798                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 799                                         Gtkmm2ext::set_source_rgba (cr, c);
 800                                         cr->rectangle (2, innertop + y + .5, m_r - 4 - anw, 1);
 801                                         cr->fill ();
 802                         }
 803
 804                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 805                         for (int i = 0; i <= 4; ++i) {
 806                                 const float fract = (float) i / 4.0;
 807                                 const float yalign = .5; // (i == 4) ? 0 : (i == 0) ? 1.0 : .5;
 808                                 char buf[16];
 809                                 snprintf (buf, sizeof (buf), "%.0f", AudioGrapher::Analyser::fft_range_db * -fract);
 810                                 layout->set_text (buf);
 811                                 layout->get_pixel_size (w, h);
 812
 813                                 cr->move_to (m_r - anw, rint (innertop + fract * innerheight - h * yalign));
 814                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 815                                 layout->show_in_cairo_context (cr);
 816                         }
 817                         scale->flush ();
 818
 819                         CimgPlayheadArea *sp = manage (new CimgPlayheadArea (spec, m_l, width));
 820                         playhead_widgets.push_back (sp);
 821                         sp->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 822                         CimgArea *an = manage (new CimgArea (scale));
 823                         wtbl->attach (*sp, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 824                         wtbl->attach (*an, 1, 2, wrow, wrow + 1, SHRINK, SHRINK);
 825                         ++wrow;
 826
 827                         if (png_surface) {
 828                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 829                                 pcx->set_source (spec, 0, png_y0);
 830                                 pcx->paint ();
 831                                 pcx->set_source (scale, png_w - m_r, png_y0);
 832                                 pcx->paint ();
 833                         }
 834                 }
 835
 836                 timeline[page] = playhead_widgets;
 837
 838                 HBox *tab = manage (new HBox ());
 839                 l = manage (new Label (Glib::path_get_basename (path)));
 840                 Gtk::Image *img =  manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_MENU));
 841                 tab->pack_start (*img);
 842                 tab->pack_start (*l);
 843                 l->show();
 844                 tab->show();
 845                 img->hide();
 846                 pages.pages ().push_back (Notebook_Helpers::TabElem (*vb, *tab));
 847                 pages.signal_switch_page().connect (sigc::mem_fun (*this, &ExportReport::on_switch_page));
 848
 849                 if (png_surface) {
 850                         assert (with_file && !path.empty ());
 851                         std::string imgpath = Glib::build_filename (Glib::path_get_dirname (path), PBD::basename_nosuffix (path) + ".png");
 852                         PBD::info << string_compose(_("Writing Export Analysis Image: %1."), imgpath) << endmsg;
 853                         png_surface->write_to_png (imgpath);
 854                 }
 855         }
 856
 857         pages.set_show_tabs (true);
 858         pages.show_all ();
 859         pages.set_name ("ExportReportNotebook");
 860         pages.set_current_page (0);
 861
 862         get_vbox ()->set_spacing (4);
 863         get_vbox ()->pack_start (pages, false, false);
 864
 865         if (_session) {
 866                 _session->AuditionActive.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_active, this, _1), gui_context());
 867                 _session->the_auditioner()->AuditionProgress.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_progress, this, _1, _2), gui_context());
 868         }
 869
 870         if (_session && with_file) {
 871                 play_btn = add_button (Stock::MEDIA_PLAY, RESPONSE_ACCEPT);
 872                 stop_btn = add_button (Stock::MEDIA_STOP, RESPONSE_ACCEPT);
 873         }
 874         add_button (Stock::CLOSE, RESPONSE_CLOSE);
 875
 876         set_default_response (RESPONSE_CLOSE);
 877         if (_session && with_file) {
 878                 stop_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::stop_audition));
 879                 play_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::play_audition));
 880                 stop_btn->set_sensitive (false);
 881         }
 882         show_all ();
 883 }
 884
 885 int
 886 ExportReport::run ()
 887 {
 888         do {
 889                 int i = ArdourDialog::run ();
 890                 if (i == Gtk::RESPONSE_DELETE_EVENT || i == RESPONSE_CLOSE) {
 891                         break;
 892                 }
 893         } while (1);
 894
 895         if (_session) {
 896                 _session->cancel_audition();
 897         }
 898         return RESPONSE_CLOSE;
 899 }
 900
 901 void
 902 ExportReport::open_folder (std::string p)
 903 {
 904         PBD::open_folder (Glib::path_get_dirname(p));
 905 }
 906
 907 void
 908 ExportReport::audition_active (bool active)
 909 {
 910         if (!stop_btn || !play_btn) {
 911                 return;
 912         }
 913         stop_btn->set_sensitive (active);
 914         play_btn->set_sensitive (!active);
 915
 916         if (!active && _audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
 917                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
 918                                 i != timeline[_audition_num].end();
 919                                 ++i) {
 920                         (*i)->set_playhead (-1);
 921                 }
 922         }
 923
 924         if (_audition_num >= 0 ) {
 925                 Widget *page = pages.get_nth_page (_audition_num);
 926                 HBox *box = static_cast<Gtk::HBox*> (pages.get_tab_label (*page));
 927                 if (!active) {
 928                         (*(box->get_children().begin()))->hide ();
 929                 } else {
 930                         (*(box->get_children().begin()))->show ();
 931                 }
 932         }
 933
 934         if (!active) {
 935                 _audition_num = -1;
 936         }
 937 }
 938
 939 void
 940 ExportReport::audition (std::string path, unsigned n_chn, int page)
 941 {
 942         assert (_session);
 943         _session->cancel_audition();
 944
 945         if (n_chn ==0) { return; }
 946
 947         /* can't really happen, unless the user replaces the file while the dialog is open.. */
 948         if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 949                 PBD::warning << string_compose(_("Could not read file: %1 (%2)."), path, strerror(errno)) << endmsg;
 950                 return;
 951         }
 952         if (SMFSource::valid_midi_file (path)) { return; }
 953
 954         boost::shared_ptr<Region> r;
 955         SourceList srclist;
 956         boost::shared_ptr<AudioFileSource> afs;
 957         bool old_sbp = AudioSource::get_build_peakfiles ();
 958
 959         /* don't even think of building peakfiles for these files */
 960         AudioSource::set_build_peakfiles (false);
 961
 962         for (unsigned int n = 0; n < n_chn; ++n) {
 963                 try {
 964                         afs = boost::dynamic_pointer_cast<AudioFileSource> (
 965                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 966                                                                                  path, n,
 967                                                                                  Source::Flag (ARDOUR::AudioFileSource::NoPeakFile), false));
 968                         if (afs->sample_rate() != _session->nominal_sample_rate()) {
 969                                 boost::shared_ptr<SrcFileSource> sfs (new SrcFileSource(*_session, afs, ARDOUR::SrcGood));
 970                                 srclist.push_back(sfs);
 971                         } else {
 972                                 srclist.push_back(afs);
 973                         }
 974                 } catch (failed_constructor& err) {
 975                         PBD::error << _("Could not access soundfile: ") << path << endmsg;
 976                         AudioSource::set_build_peakfiles (old_sbp);
 977                         return;
 978                 }
 979         }
 980
 981         AudioSource::set_build_peakfiles (old_sbp);
 982
 983         if (srclist.empty()) {
 984                 return;
 985         }
 986
 987         afs = boost::dynamic_pointer_cast<AudioFileSource> (srclist[0]);
 988         std::string rname = region_name_from_path (afs->path(), false);
 989
 990         PBD::PropertyList plist;
 991
 992         plist.add (ARDOUR::Properties::start, 0);
 993         plist.add (ARDOUR::Properties::length, srclist[0]->length(srclist[0]->timeline_position()));
 994         plist.add (ARDOUR::Properties::name, rname);
 995         plist.add (ARDOUR::Properties::layer, 0);
 996
 997         r = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (srclist, plist, false));
 998
 999         r->set_position(0);
1000         _session->audition_region(r);
1001         _audition_num = page;
1002 }
1003
1004 void
1005 ExportReport::play_audition ()
1006 {
1007         if (_audition_num >= 0 || !_session) { return; }
1008         if (files.find (_page_num) == files.end()) { return; }
1009         audition (files[_page_num].path, files[_page_num].channels, _page_num);
1010 }
1011
1012 void
1013 ExportReport::stop_audition ()
1014 {
1015         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1016                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1017                                 i != timeline[_audition_num].end();
1018                                 ++i) {
1019                         (*i)->set_playhead (-1);
1020                 }
1021         }
1022         if (_session) {
1023                 _session->cancel_audition();
1024         }
1025 }
1026
1027 void
1028 ExportReport::on_switch_page (GtkNotebookPage*, guint page_num)
1029 {
1030         if (_audition_num == _page_num) {
1031                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1032                                 i != timeline[_audition_num].end();
1033                                 ++i) {
1034                         (*i)->set_playhead (-1);
1035                 }
1036         }
1037         _page_num = page_num;
1038 }
1039
1040 void
1041 ExportReport::audition_progress (samplecnt_t pos, samplecnt_t len)
1042 {
1043         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1044                 const float p = (float)pos / len;
1045                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1046                                 i != timeline[_audition_num].end();
1047                                 ++i) {
1048                         (*i)->set_playhead (p);
1049                 }
1050         }
1051 }
1052
1053 void
1054 ExportReport::audition_seek (int page, float pos)
1055 {
1056         if (_audition_num == page && _session) {
1057                 _session->the_auditioner()->seek_to_percent (100.f * pos);
1058         }
1059 }
1060
1061 void
1062 ExportReport::on_logscale_toggled (Gtk::ToggleButton* b)
1063 {
1064         bool en = b->get_active ();
1065         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1066                 (*i)->set_logscale (en);
1067         }
1068 }
1069
1070 void
1071 ExportReport::on_rectivied_toggled (Gtk::ToggleButton* b)
1072 {
1073         bool en = b->get_active ();
1074         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1075                 (*i)->set_rectified (en);
1076         }
1077 }
1078
1079 void
1080 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)
1081 {
1082         int w, h;
1083         Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
1084         const float ht = 2.f * height_2;
1085
1086         std::vector<double> dashes;
1087         dashes.push_back (3.0);
1088         dashes.push_back (5.0);
1089
1090         wave = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, ht);
1091         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (wave);
1092         cr->set_operator (Cairo::OPERATOR_SOURCE);
1093         cr->rectangle (0, 0, m_l, ht);
1094         cr->set_source_rgba (0, 0, 0, 0);
1095         cr->fill ();
1096         cr->rectangle (m_l, 0, width, ht);
1097         cr->set_source_rgba (0, 0, 0, 1.0);
1098         cr->fill ();
1099         cr->set_operator (Cairo::OPERATOR_OVER);
1100
1101         cr->set_source_rgba (.7, .7, .7, 1.0);
1102         cr->set_line_width (1.0);
1103
1104         // -1dB range
1105         float clip_top;
1106         float clip_bot;
1107
1108         if (rect) {
1109                 clip_bot = ht;
1110
1111                 if (log) {
1112                         clip_top = ht * (1.f - alt_log_meter (-1));
1113                         for (size_t x = 0 ; x < width; ++x) {
1114                                 const float v = alt_log_meter (fast_coefficient_to_dB (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                 } else {
1120                         clip_top = ht * (1.f - dB_to_coefficient (-1));
1121                         for (size_t x = 0 ; x < width; ++x) {
1122                                 const float v = std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min));
1123                                 cr->move_to (m_l + x - .5, ht - ht * v);
1124                                 cr->line_to (m_l + x - .5, ht);
1125                         }
1126                         cr->stroke ();
1127                 }
1128         } else {
1129                 if (log) {
1130                         clip_top = height_2 - height_2 * alt_log_meter (-1);
1131                         clip_bot = height_2 + height_2 * alt_log_meter (-1);
1132                         for (size_t x = 0 ; x < width; ++x) {
1133                                 float pmax, pmin;
1134                                 if (p->peaks[c][x].max > 0) {
1135                                         pmax =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].max));
1136                                 } else {
1137                                         pmax = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].max));
1138                                 }
1139
1140                                 if (p->peaks[c][x].min > 0) {
1141                                         pmin =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].min));
1142                                 } else {
1143                                         pmin = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].min));
1144                                 }
1145                                 cr->move_to (m_l + x - .5, height_2 - height_2 * pmax);
1146                                 cr->line_to (m_l + x - .5, height_2 - height_2 * pmin);
1147                         }
1148                         cr->stroke ();
1149                 } else {
1150                         clip_top = height_2 - height_2 * dB_to_coefficient (-1);
1151                         clip_bot = height_2 + height_2 * dB_to_coefficient (-1);
1152                         for (size_t x = 0 ; x < width; ++x) {
1153                                 cr->move_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].max);
1154                                 cr->line_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].min);
1155                         }
1156                         cr->stroke ();
1157                 }
1158         }
1159
1160         // >= 0dBFS
1161         cr->set_source_rgba (1.0, 0, 0, 1.0);
1162         for (size_t x = 0 ; x < width; ++x) {
1163                 if (p->peaks[c][x].max >= 1.0) {
1164                         cr->move_to (m_l + x - .5, 0);
1165                         cr->line_to (m_l + x - .5, clip_top);
1166                 }
1167                 if (p->peaks[c][x].min <= -1.0) {
1168                         cr->move_to (m_l + x - .5, clip_bot);
1169                         cr->line_to (m_l + x - .5, ht);
1170                 }
1171         }
1172         cr->stroke ();
1173
1174         // >= -1dBTP (coeff >= .89125, libs/vamp-plugins/TruePeak.cpp)
1175         cr->set_source_rgba (1.0, 0.7, 0, 0.7);
1176         for (std::set<samplepos_t>::const_iterator i = p->truepeakpos[c].begin (); i != p->truepeakpos[c].end (); ++i) {
1177                 cr->move_to (m_l + (*i) - .5, clip_top);
1178                 cr->line_to (m_l + (*i) - .5, clip_bot);
1179                 cr->stroke ();
1180         }
1181
1182         if (!rect) {
1183                 // zero line
1184                 cr->set_source_rgba (.3, .3, .3, 0.7);
1185                 cr->move_to (m_l + 0, height_2 - .5);
1186                 cr->line_to (m_l + width, height_2 - .5);
1187                 cr->stroke ();
1188         }
1189
1190         // Unit
1191         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
1192         layout->set_alignment (Pango::ALIGN_LEFT);
1193         layout->set_text (_("dBFS"));
1194         layout->get_pixel_size (w, h);
1195         cr->move_to (rint (m_l - h - anw - 10), rint (height_2 + w * .5));
1196         cr->set_source_rgba (.9, .9, .9, 1.0);
1197         cr->save ();
1198         cr->rotate (M_PI / -2.0);
1199         layout->show_in_cairo_context (cr);
1200         cr->restore ();
1201
1202         // x-Axis
1203         cr->set_line_width (1.0);
1204         cr->set_dash (dashes, 2.0);
1205         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
1206
1207         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
1208
1209         if (rect) {
1210                 if (log) {
1211                         XAXISLABEL ((ht - ht * alt_log_meter (-36)), _("-36"));
1212                         XAXISLABEL ((ht - ht * alt_log_meter (-18)), _("-18"));
1213                         XAXISLABEL ((ht - ht * alt_log_meter (-9)), _("-9"));
1214                         XAXISLABEL ((ht - ht * alt_log_meter (-3)), _("-3"));
1215                 } else {
1216                         XAXISLABEL ((ht - ht * .1259), _("-18"));
1217                         XAXISLABEL ((ht - ht * .3548), _("-9"));
1218                         XAXISLABEL ((ht - ht * .7079), _("-3"));
1219                 }
1220         } else {
1221                 if (log) {
1222                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-18)), _("-18"));
1223                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-9)), _("-9"));
1224                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-3)), _("-3"));
1225                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-18)), _("-18"));
1226                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-9)), _("-9"));
1227                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-3)), _("-3"));
1228                 } else {
1229                         XAXISLABEL (height_2 * 0.6452, _("-9"));
1230                         XAXISLABEL (height_2 * 1.3548, _("-9"));
1231                         XAXISLABEL (height_2 * 0.2921, _("-3"));
1232                         XAXISLABEL (height_2 * 1.7079, _("-3"));
1233                 }
1234         }
1235         wave->flush ();
1236 }