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                         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 / 3; // right-col is short (channels, SR, duration)
 322                                 std::string sha1sum = ARDOUR::compute_sha1_of_file (path);
 323                                 if (!sha1sum.empty()) {
 324                                         sha1sum = " (sha1: " + sha1sum + ")";
 325                                 }
 326
 327                                 IMGLABEL (lx0, _("File:"), Glib::path_get_basename (path) + sha1sum);
 328                                 IMGLABEL (lx1, _("Channels:"), string_compose ("%1", channels));
 329                                 png_y0 += linesp;
 330
 331                                 IMGLABEL (lx0, _("Format:"), file_fmt);
 332                                 IMGLABEL (lx1, _("Sample rate:"), string_compose (_("%1 Hz"), sample_rate));
 333                                 png_y0 += linesp;
 334
 335                                 if (_session) {
 336                                         Timecode::Time tct;
 337                                         _session->sample_to_timecode (start_off, tct, false, false);
 338                                         IMGLABEL (lx0, _("Timecode:"), Timecode::timecode_format_time (tct));
 339                                 }
 340                                 IMGLABEL (lx1, _("Duration:"), Timecode::timecode_format_sampletime (file_length, sample_rate, 1000, false));
 341                                 png_y0 += linesp;
 342                         }
 343                 }
 344
 345                 { /* peak, loudness and R128 histogram */
 346                         Cairo::RefPtr<Cairo::ImageSurface> nums = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 347                         Cairo::RefPtr<Cairo::ImageSurface> ebur = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, mnw, hh);
 348                         Cairo::RefPtr<Cairo::ImageSurface> hist = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, 540, hh);
 349
 350                         /* peak and true-peak numerics */
 351                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (nums);
 352                         cr->set_source_rgba (0, 0, 0, 1.0);
 353                         cr->paint ();
 354
 355                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 356                         layout->set_alignment (Pango::ALIGN_LEFT);
 357                         layout->set_text (_("Peak:"));
 358                         layout->get_pixel_size (w, h);
 359                         cr->move_to (rint (nw2 - w * .5), y0[0]);
 360                         cr->set_source_rgba (.7, .7, .7, 1.0);
 361                         layout->show_in_cairo_context (cr);
 362
 363                         layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 364                         layout->set_text (string_compose (_("%1 dBFS"), std::setprecision (1), std::fixed, dbfs));
 365                         layout->get_pixel_size (w, h);
 366                         cr->move_to (rint (nw2 - w * .5), y0[1]);
 367                         if (dbfs >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 368                         else if (dbfs > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 369                         layout->show_in_cairo_context (cr);
 370
 371                         if (p->have_dbtp) {
 372                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 373                                 layout->set_text (_("True Peak:"));
 374                                 layout->get_pixel_size (w, h);
 375                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 376                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 377                                 layout->show_in_cairo_context (cr);
 378
 379                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 380                                 layout->set_text (string_compose (_("%1 dBTP"), std::setprecision (1), std::fixed, dbtp));
 381                                 layout->get_pixel_size (w, h);
 382                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 383                                 if (dbtp >= 0.f) { cr->set_source_rgba (1.0, .1, .1, 1.0); }
 384                                 else if (dbtp > -1.f) { cr->set_source_rgba (1.0, .7, .0, 1.0); }
 385                                 layout->show_in_cairo_context (cr);
 386                         }
 387
 388                         if (p->normalized) {
 389                                 const float ndb = accurate_coefficient_to_dB (p->norm_gain_factor);
 390                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 391                                 layout->set_text (_("Normalization Gain:"));
 392                                 layout->get_pixel_size (w, h);
 393                                 cr->move_to (rint (nw2 - w * .5), y0[4]);
 394                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 395                                 layout->show_in_cairo_context (cr);
 396
 397                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 398                                 layout->set_text (string_compose (_("%1 dB"), std::setprecision (2), std::showpos, std::fixed, ndb));
 399
 400                                 layout->get_pixel_size (w, h);
 401                                 cr->move_to (rint (nw2 - w * .5), y0[5]);
 402                                 // TODO tweak thresholds
 403                                 if (p->norm_gain_factor < 1.0) {
 404                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 405                                 } else if (p->norm_gain_factor == 1.0) {
 406                                         cr->set_source_rgba (.7, .7, .7, 1.0);
 407                                 } else if (fabsf (ndb) < 12) {
 408                                         cr->set_source_rgba (.1, 1.0, .1, 1.0);
 409                                 } else if (fabsf (ndb) < 18) {
 410                                         cr->set_source_rgba (1.0, .7, .1, 1.0);
 411                                 } else {
 412                                         cr->set_source_rgba (1.0, .1, .1, 1.0);
 413                                 }
 414                                 layout->show_in_cairo_context (cr);
 415                         }
 416
 417                         nums->flush ();
 418
 419                         /* EBU R128 numerics */
 420                         cr = Cairo::Context::create (ebur);
 421                         cr->set_source_rgba (0, 0, 0, 1.0);
 422                         cr->paint ();
 423
 424                         cr->set_source_rgba (.7, .7, .7, 1.0);
 425
 426                         if (!i->second->have_loudness) {
 427                                 layout->set_alignment (Pango::ALIGN_CENTER);
 428                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 429                                 layout->set_text (_("Not\nAvailable"));
 430                                 layout->get_pixel_size (w, h);
 431                                 cr->move_to (rint (nw2 - w * .5), rint ((hh - h) * .5));
 432                                 layout->show_in_cairo_context (cr);
 433                         }
 434                         else if (p->loudness == -200 && p->loudness_range == 0) {
 435                                 layout->set_alignment (Pango::ALIGN_CENTER);
 436                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 437                                 layout->set_text (_("Not\nAvailable"));
 438                                 layout->get_pixel_size (w, h);
 439                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 - h * .66));
 440                                 layout->show_in_cairo_context (cr);
 441                                 int yy = h * .5;
 442
 443                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 444                                 layout->set_text (_("(too short integration time)"));
 445                                 layout->get_pixel_size (w, h);
 446                                 cr->move_to (rint (nw2 - w * .5), rint (hh * .5 + yy));
 447                                 layout->show_in_cairo_context (cr);
 448
 449                         } else {
 450                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 451                                 layout->set_alignment (Pango::ALIGN_LEFT);
 452                                 layout->set_text (_("Integrated Loudness:"));
 453                                 layout->get_pixel_size (w, h);
 454                                 cr->move_to (rint (nw2 - w * .5), y0[0]);
 455                                 layout->show_in_cairo_context (cr);
 456
 457                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 458                                 layout->set_text (string_compose (_("%1 LUFS"), std::setprecision (1), std::fixed,  p->loudness));
 459                                 layout->get_pixel_size (w, h);
 460                                 cr->move_to (rint (nw2 - w * .5), y0[1]);
 461                                 layout->show_in_cairo_context (cr);
 462
 463                                 layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 464                                 layout->set_text (_("Loudness Range:"));
 465                                 layout->get_pixel_size (w, h);
 466                                 cr->move_to (rint (nw2 - w * .5), y0[2]);
 467                                 layout->show_in_cairo_context (cr);
 468
 469                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 470                                 layout->set_text (string_compose (_("%1 LU"), std::setprecision (1), std::fixed, p->loudness_range));
 471                                 layout->get_pixel_size (w, h);
 472                                 cr->move_to (rint (nw2 - w * .5), y0[3]);
 473                                 layout->show_in_cairo_context (cr);
 474                         }
 475                         ebur->flush ();
 476
 477                         /* draw loudness histogram */
 478                         cr = Cairo::Context::create (hist);
 479                         cr->set_source_rgba (0, 0, 0, 1.0);
 480                         cr->paint ();
 481
 482                         cr->set_source_rgba (.7, .7, .7, 1.0);
 483                         cr->set_line_width (1.0);
 484
 485                         if (p->loudness_hist_max > 0 && i->second->have_loudness) {
 486                                 // draw data
 487                                 for (size_t x = 0 ; x < 510; ++x) {
 488                                         cr->move_to (x - .5, hh);
 489                                         cr->line_to (x - .5, (float) hh * (1.0 - p->loudness_hist[x] / (float) p->loudness_hist_max));
 490                                         cr->stroke ();
 491                                 }
 492
 493                                 layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 494                                 layout->set_alignment (Pango::ALIGN_CENTER);
 495
 496                                 // x-axis label
 497                                 layout->set_text (_("LUFS\n(short)"));
 498                                 layout->get_pixel_size (w, h);
 499                                 Gtkmm2ext::rounded_rectangle (cr, 5, 5, w + 2, h + 2, 4);
 500                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 501                                 cr->fill ();
 502                                 cr->move_to (6, 6);
 503                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 504                                 layout->show_in_cairo_context (cr);
 505
 506                                 // y-axis label
 507                                 layout->set_text (_("Multiplicity"));
 508                                 layout->get_pixel_size (w, h);
 509                                 Gtkmm2ext::rounded_rectangle (cr, 5, hh - w - 3, h + 2, w + 2, 4);
 510                                 cr->set_source_rgba (.1, .1, .1, 0.7);
 511                                 cr->fill ();
 512                                 cr->save ();
 513                                 cr->move_to (6, hh - 2);
 514                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 515                                 cr->rotate (M_PI / -2.0);
 516                                 layout->show_in_cairo_context (cr);
 517                                 cr->restore ();
 518
 519                                 // x-Axis labels
 520                                 layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 521                                 layout->set_alignment (Pango::ALIGN_LEFT);
 522                                 for (int g = -53; g <= -8; g += 5) {
 523                                         // grid-lines. [110] -59LUFS .. [650]: -5 LUFS
 524                                         layout->set_text (string_compose ("%1", std::setw(3), std::setfill(' '), g));
 525                                         layout->get_pixel_size (w, h);
 526
 527                                         cr->set_operator (Cairo::OPERATOR_OVER);
 528                                         Gtkmm2ext::rounded_rectangle (cr,
 529                                                         rint ((g + 59.0) * 10.0 - h * .5), 5,
 530                                                         h + 2, w + 2, 4);
 531                                         const float pk = (g + 59.0) / 54.0;
 532                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, .3 + pk * .4, .6);
 533                                         Gtkmm2ext::set_source_rgba (cr, c);
 534                                         cr->fill ();
 535
 536                                         cr->save ();
 537                                         cr->set_source_rgba (.9, .9, .9, 1.0);
 538                                         cr->move_to (rint ((g + 59.0) * 10.0 - h * .5), w + 6.0);
 539                                         cr->rotate (M_PI / -2.0);
 540                                         layout->show_in_cairo_context (cr);
 541                                         cr->restore ();
 542
 543                                         cr->set_operator (Cairo::OPERATOR_ADD);
 544                                         cr->save ();
 545                                         cr->set_source_rgba (.3, .3, .3, 1.0);
 546                                         cr->set_dash (dashes, 1.0);
 547                                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 548                                         cr->move_to (rint ((g + 59.0) * 10.0) + .5, w + 8.0);
 549                                         cr->line_to (rint ((g + 59.0) * 10.0) + .5, hh);
 550                                         cr->stroke ();
 551                                         cr->restore ();
 552                                 }
 553
 554                         } else {
 555                                 layout->set_alignment (Pango::ALIGN_CENTER);
 556                                 layout->set_font_description (UIConfiguration::instance ().get_LargeFont ());
 557                                 layout->set_text (_("Not\nAvailable"));
 558                                 layout->get_pixel_size (w, h);
 559                                 cr->move_to (rint ((510 - w) * .5), rint ((hh - h) * .5));
 560                                 layout->show_in_cairo_context (cr);
 561                         }
 562
 563                         hist->flush ();
 564
 565                         if (png_surface) {
 566                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 567                                 pcx->set_source (nums, 0, png_y0);
 568                                 pcx->paint ();
 569                                 pcx->set_source (hist, (png_w - 540) / 2, png_y0);
 570                                 pcx->paint ();
 571                                 pcx->set_source (ebur, png_w - mnw, png_y0);
 572                                 pcx->paint ();
 573                                 png_y0 += hh + 4;
 574                         }
 575
 576                         CimgArea *nu = manage (new CimgArea (nums));
 577                         CimgArea *eb = manage (new CimgArea (ebur));
 578                         CimgArea *hi = manage (new CimgArea (hist));
 579                         HBox *hb = manage (new HBox ());
 580                         hb->set_spacing (4);
 581                         hb->pack_start (*nu, false, false);
 582                         hb->pack_start (*hi, false, false);
 583                         hb->pack_start (*eb, false, false);
 584
 585                         wtbl->attach (*hb, 0, 2, wrow, wrow + 1, SHRINK, SHRINK);
 586                         ++wrow;
 587                 }
 588
 589 #define XAXISLABEL(POS, TXT) {                            \
 590   const float yy = rint (POS);                            \
 591   layout->set_text (TXT);                                 \
 592   layout->get_pixel_size (w, h);                          \
 593   cr->move_to (m_l - 8 - w, rint ((POS) - h * .5));       \
 594   cr->set_source_rgba (.9, .9, .9, 1.0);                  \
 595   cr->set_operator (Cairo::OPERATOR_OVER);                \
 596   layout->show_in_cairo_context (cr);                     \
 597   cr->move_to (m_l - 4, yy - .5);                         \
 598   cr->line_to (m_l + width, yy - .5);                     \
 599   cr->set_source_rgba (.3, .3, .3, 1.0);                  \
 600   cr->set_operator (Cairo::OPERATOR_ADD);                 \
 601   cr->stroke ();                                          \
 602 }
 603
 604
 605                 {
 606                         VBox *lrb = manage (new VBox());
 607                         ToggleButton *log = manage (new ToggleButton (S_("Logscale|Lg")));
 608                         ToggleButton *rec = manage (new ToggleButton (S_("Rectified|Rf")));
 609                         Gtkmm2ext::UI::instance()->set_tip (log, _("Logscale"));
 610                         Gtkmm2ext::UI::instance()->set_tip (rec, _("Rectified"));
 611
 612                         lrb->pack_start (*log, false, false, 5);
 613                         lrb->pack_end (*rec, false, false, 5);
 614                         log->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_logscale_toggled), log));
 615                         rec->signal_toggled ().connect (sigc::bind (sigc::mem_fun (*this, &ExportReport::on_rectivied_toggled), rec));
 616                         lrb->show_all ();
 617                         wtbl->attach (*lrb, 1, 2, wrow, wrow + p->n_channels, SHRINK, SHRINK);
 618                 }
 619
 620                 for (uint32_t c = 0; c < p->n_channels; ++c) {
 621                         /* draw waveform */
 622                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 623
 624                         Cairo::RefPtr<Cairo::ImageSurface> wave;
 625                         Cairo::RefPtr<Cairo::ImageSurface> wave_log;
 626                         Cairo::RefPtr<Cairo::ImageSurface> wave_rect;
 627                         Cairo::RefPtr<Cairo::ImageSurface> wave_lr;
 628                         draw_waveform(wave, p, c, m_l, width, anw, waveh2, false, false);
 629                         draw_waveform(wave_log, p, c, m_l, width, anw, waveh2, true, false);
 630                         draw_waveform(wave_rect, p, c, m_l, width, anw, waveh2, false, true);
 631                         draw_waveform(wave_lr, p, c, m_l, width, anw, waveh2, true, true);
 632
 633                         CimgWaveArea *wv = manage (new CimgWaveArea (wave, wave_log, wave_rect, wave_lr, m_l, width));
 634
 635                         playhead_widgets.push_back (wv);
 636                         waves.push_back (wv);
 637                         wv->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 638                         wtbl->attach (*wv, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 639                         ++wrow;
 640
 641                         if (png_surface) {
 642                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 643                                 pcx->set_source (wave, 0, png_y0);
 644                                 pcx->paint ();
 645                                 png_y0 += 2 * waveh2 + 4;
 646                         }
 647                 }
 648
 649                 if (channels > 0 && file_length > 0 && sample_rate > 0)
 650                 {
 651                         /* Time Axis  -- re-use waveform width */
 652                         const size_t width = sizeof (p->peaks) / sizeof (ARDOUR::PeakData::PeakDatum) / 4;
 653                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 654                         layout->set_text (_("00:00:00.000"));
 655                         layout->get_pixel_size (w, h);
 656                         int height = h * 1.75;
 657                         Cairo::RefPtr<Cairo::ImageSurface> ytme = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 658                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (ytme);
 659                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 660                         cr->set_source_rgba (0, 0, 0, 1.0);
 661                         cr->paint ();
 662                         cr->rectangle (0, 0, m_l, height);
 663                         cr->set_source_rgba (0, 0, 0, 0);
 664                         cr->fill ();
 665                         cr->set_operator (Cairo::OPERATOR_OVER);
 666
 667                         cr->set_line_width (1.0);
 668                         for (int i = 0; i <= 4; ++i) {
 669                                 const float fract = (float) i / 4.0;
 670                                 // " XX:XX:XX.XXX"  [space/minus] 12 chars = 13.
 671                                 const float xalign = (i == 4) ? 1.0 : (i == 0) ? 1.0 / 13.0 : 7.0 / 13.0;
 672
 673                                 char buf[16];
 674                                 AudioClock::print_minsec (start_off + file_length * fract,
 675                                                 buf, sizeof (buf), sample_rate);
 676
 677                                 layout->set_text (buf);
 678                                 layout->get_pixel_size (w, h);
 679                                 cr->move_to (rint (m_l + width * fract - w * xalign), rint (.5 * (height - h)));
 680                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 681                                 layout->show_in_cairo_context (cr);
 682
 683                                 cr->set_source_rgba (.7, .7, .7, 1.0);
 684                                 cr->move_to (rint (m_l + width * fract) - .5, 0);
 685                                 cr->line_to (rint (m_l + width * fract) - .5, ceil  (height * .15));
 686                                 cr->move_to (rint (m_l + width * fract) - .5, floor (height * .85));
 687                                 cr->line_to (rint (m_l + width * fract) - .5, height);
 688                                 cr->stroke ();
 689                         }
 690
 691                         layout->set_font_description (UIConfiguration::instance ().get_SmallFont ());
 692                         layout->set_text (_("Time"));
 693                         cr->set_source_rgba (.9, .9, .9, 1.0);
 694                         layout->get_pixel_size (w, h);
 695                         cr->move_to (rint (m_l - w - 8), rint (.5 * (height - h)));
 696                         layout->show_in_cairo_context (cr);
 697
 698                         ytme->flush ();
 699                         CimgPlayheadArea *tm = manage (new CimgPlayheadArea (ytme, m_l, width, true));
 700                         playhead_widgets.push_back (tm);
 701                         tm->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 702                         wtbl->attach (*tm, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 703                         ++wrow;
 704
 705                         if (png_surface) {
 706                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 707                                 pcx->set_source (ytme, 0, png_y0);
 708                                 pcx->paint ();
 709                                 png_y0 += height + 4;
 710                         }
 711                 }
 712
 713                 {
 714                         /* Draw Spectrum */
 715                         const size_t height = specth;
 716                         const size_t swh = sizeof (p->spectrum) / sizeof (float);
 717                         const size_t width = swh / height;
 718
 719                         Cairo::RefPtr<Cairo::ImageSurface> spec = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, height);
 720                         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (spec);
 721                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 722                         cr->rectangle (0, 0, m_l, height);
 723                         cr->set_source_rgba (0, 0, 0, 0);
 724                         cr->fill ();
 725                         cr->rectangle (m_l, 0, width, height);
 726                         cr->set_source_rgba (0, 0, 0, 1.0);
 727                         cr->fill ();
 728                         cr->set_operator (Cairo::OPERATOR_OVER);
 729
 730                         for (size_t x = 0 ; x < width; ++x) {
 731                                 for (size_t y = 0 ; y < height; ++y) {
 732                                         const float pk = p->spectrum[x][y];
 733                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 734                                         Gtkmm2ext::set_source_rgba (cr, c);
 735                                         cr->rectangle (m_l + x - .5, y - .5, 1, 1);
 736                                         cr->fill ();
 737                                 }
 738                         }
 739
 740                         // Unit
 741                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 742                         layout->set_text (_("Hz"));
 743                         layout->get_pixel_size (w, h);
 744                         cr->move_to (rint (m_l - h - anw - 10), rint ((height + w) * .5));
 745                         cr->set_source_rgba (.9, .9, .9, 1.0);
 746                         cr->save ();
 747                         cr->rotate (M_PI / -2.0);
 748                         layout->show_in_cairo_context (cr);
 749                         cr->restore ();
 750
 751                         // x-Axis
 752                         cr->set_line_width (1.0);
 753                         cr->set_dash (dashes, 2.0);
 754                         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
 755
 756                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 757                         //XAXISLABEL (p->freq[0], _("50Hz"));
 758                         XAXISLABEL (p->freq[1], _("100"));
 759                         XAXISLABEL (p->freq[2], _("500"));
 760                         XAXISLABEL (p->freq[3], _("1K"));
 761                         XAXISLABEL (p->freq[4], _("5K"));
 762                         XAXISLABEL (p->freq[5], _("10K"));
 763                         spec->flush ();
 764
 765                         // annotations
 766                         Cairo::RefPtr<Cairo::ImageSurface> scale = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_r, height);
 767                         cr = Cairo::Context::create (scale);
 768                         cr->set_operator (Cairo::OPERATOR_SOURCE);
 769                         cr->rectangle (0, 0, m_r, height);
 770                         cr->set_source_rgba (0, 0, 0, 0);
 771                         cr->fill ();
 772
 773                         cr->set_operator (Cairo::OPERATOR_OVER);
 774                         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
 775                         layout->set_alignment (Pango::ALIGN_LEFT);
 776                         layout->set_text (_("dBFS"));
 777                         layout->get_pixel_size (w, h);
 778                         cr->move_to (rint (.5 * (m_r - w)), height - h - 2);
 779                         cr->set_source_rgba (.9, .9, .9, 1.0);
 780                         layout->show_in_cairo_context (cr);
 781
 782                         int innertop = ceil (mnh * .5) + 1;
 783                         size_t innerheight = (height - 2 * innertop - h - 2);
 784
 785                         cr->rectangle (1, innertop - 1,  m_r - 2 - anw, innerheight + 2);
 786                         cr->set_source_rgba (0, 0, 0, 1.0);
 787                         cr->fill_preserve ();
 788                         cr->set_line_width (1.0);
 789                         cr->set_source_rgba (.7, .7, .6, 1.0);
 790                         cr->stroke ();
 791
 792                         for (size_t y = 0 ; y < innerheight - 2; ++y) {
 793                                         const float pk = 1.0 - (float) y / innerheight;
 794                                         Gtkmm2ext::Color c = Gtkmm2ext::hsva_to_color (252 - 260 * pk, .9, sqrt(pk));
 795                                         Gtkmm2ext::set_source_rgba (cr, c);
 796                                         cr->rectangle (2, innertop + y + .5, m_r - 4 - anw, 1);
 797                                         cr->fill ();
 798                         }
 799
 800                         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
 801                         for (int i = 0; i <= 4; ++i) {
 802                                 const float fract = (float) i / 4.0;
 803                                 const float yalign = .5; // (i == 4) ? 0 : (i == 0) ? 1.0 : .5;
 804                                 char buf[16];
 805                                 snprintf (buf, sizeof (buf), "%.0f", AudioGrapher::Analyser::fft_range_db * -fract);
 806                                 layout->set_text (buf);
 807                                 layout->get_pixel_size (w, h);
 808
 809                                 cr->move_to (m_r - anw, rint (innertop + fract * innerheight - h * yalign));
 810                                 cr->set_source_rgba (.9, .9, .9, 1.0);
 811                                 layout->show_in_cairo_context (cr);
 812                         }
 813                         scale->flush ();
 814
 815                         CimgPlayheadArea *sp = manage (new CimgPlayheadArea (spec, m_l, width));
 816                         playhead_widgets.push_back (sp);
 817                         sp->seek_playhead.connect (sigc::bind<0> (sigc::mem_fun (*this, &ExportReport::audition_seek), page));
 818                         CimgArea *an = manage (new CimgArea (scale));
 819                         wtbl->attach (*sp, 0, 1, wrow, wrow + 1, SHRINK, SHRINK);
 820                         wtbl->attach (*an, 1, 2, wrow, wrow + 1, SHRINK, SHRINK);
 821                         ++wrow;
 822
 823                         if (png_surface) {
 824                                 Cairo::RefPtr<Cairo::Context> pcx = Cairo::Context::create (png_surface);
 825                                 pcx->set_source (spec, 0, png_y0);
 826                                 pcx->paint ();
 827                                 pcx->set_source (scale, png_w - m_r, png_y0);
 828                                 pcx->paint ();
 829                         }
 830                 }
 831
 832                 timeline[page] = playhead_widgets;
 833
 834                 HBox *tab = manage (new HBox ());
 835                 l = manage (new Label (Glib::path_get_basename (path)));
 836                 Gtk::Image *img =  manage (new Image (Stock::MEDIA_PLAY, ICON_SIZE_MENU));
 837                 tab->pack_start (*img);
 838                 tab->pack_start (*l);
 839                 l->show();
 840                 tab->show();
 841                 img->hide();
 842                 pages.pages ().push_back (Notebook_Helpers::TabElem (*vb, *tab));
 843                 pages.signal_switch_page().connect (sigc::mem_fun (*this, &ExportReport::on_switch_page));
 844
 845                 if (png_surface) {
 846                         assert (with_file && !path.empty ());
 847                         std::string imgpath = Glib::build_filename (Glib::path_get_dirname (path), PBD::basename_nosuffix (path) + ".png");
 848                         PBD::info << string_compose(_("Writing Export Analysis Image: %1."), imgpath) << endmsg;
 849                         png_surface->write_to_png (imgpath);
 850                 }
 851         }
 852
 853         pages.set_show_tabs (true);
 854         pages.show_all ();
 855         pages.set_name ("ExportReportNotebook");
 856         pages.set_current_page (0);
 857
 858         get_vbox ()->set_spacing (4);
 859         get_vbox ()->pack_start (pages, false, false);
 860
 861         if (_session) {
 862                 _session->AuditionActive.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_active, this, _1), gui_context());
 863                 _session->the_auditioner()->AuditionProgress.connect(auditioner_connections, invalidator (*this), boost::bind (&ExportReport::audition_progress, this, _1, _2), gui_context());
 864         }
 865
 866         if (_session && with_file) {
 867                 play_btn = add_button (Stock::MEDIA_PLAY, RESPONSE_ACCEPT);
 868                 stop_btn = add_button (Stock::MEDIA_STOP, RESPONSE_ACCEPT);
 869         }
 870         add_button (Stock::CLOSE, RESPONSE_CLOSE);
 871
 872         set_default_response (RESPONSE_CLOSE);
 873         if (_session && with_file) {
 874                 stop_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::stop_audition));
 875                 play_btn->signal_clicked().connect (sigc::mem_fun (*this, &ExportReport::play_audition));
 876                 stop_btn->set_sensitive (false);
 877         }
 878         show_all ();
 879 }
 880
 881 int
 882 ExportReport::run ()
 883 {
 884         do {
 885                 int i = ArdourDialog::run ();
 886                 if (i == Gtk::RESPONSE_DELETE_EVENT || i == RESPONSE_CLOSE) {
 887                         break;
 888                 }
 889         } while (1);
 890
 891         if (_session) {
 892                 _session->cancel_audition();
 893         }
 894         return RESPONSE_CLOSE;
 895 }
 896
 897 void
 898 ExportReport::open_folder (std::string p)
 899 {
 900         PBD::open_folder (Glib::path_get_dirname(p));
 901 }
 902
 903 void
 904 ExportReport::audition_active (bool active)
 905 {
 906         if (!stop_btn || !play_btn) {
 907                 return;
 908         }
 909         stop_btn->set_sensitive (active);
 910         play_btn->set_sensitive (!active);
 911
 912         if (!active && _audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
 913                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
 914                                 i != timeline[_audition_num].end();
 915                                 ++i) {
 916                         (*i)->set_playhead (-1);
 917                 }
 918         }
 919
 920         if (_audition_num >= 0 ) {
 921                 Widget *page = pages.get_nth_page (_audition_num);
 922                 HBox *box = static_cast<Gtk::HBox*> (pages.get_tab_label (*page));
 923                 if (!active) {
 924                         (*(box->get_children().begin()))->hide ();
 925                 } else {
 926                         (*(box->get_children().begin()))->show ();
 927                 }
 928         }
 929
 930         if (!active) {
 931                 _audition_num = -1;
 932         }
 933 }
 934
 935 void
 936 ExportReport::audition (std::string path, unsigned n_chn, int page)
 937 {
 938         assert (_session);
 939         _session->cancel_audition();
 940
 941         if (n_chn ==0) { return; }
 942
 943         /* can't really happen, unless the user replaces the file while the dialog is open.. */
 944         if (!Glib::file_test (path, Glib::FILE_TEST_EXISTS)) {
 945                 PBD::warning << string_compose(_("Could not read file: %1 (%2)."), path, strerror(errno)) << endmsg;
 946                 return;
 947         }
 948         if (SMFSource::valid_midi_file (path)) { return; }
 949
 950         boost::shared_ptr<Region> r;
 951         SourceList srclist;
 952         boost::shared_ptr<AudioFileSource> afs;
 953         bool old_sbp = AudioSource::get_build_peakfiles ();
 954
 955         /* don't even think of building peakfiles for these files */
 956         AudioSource::set_build_peakfiles (false);
 957
 958         for (unsigned int n = 0; n < n_chn; ++n) {
 959                 try {
 960                         afs = boost::dynamic_pointer_cast<AudioFileSource> (
 961                                 SourceFactory::createExternal (DataType::AUDIO, *_session,
 962                                                                                  path, n,
 963                                                                                  Source::Flag (ARDOUR::AudioFileSource::NoPeakFile), false));
 964                         if (afs->sample_rate() != _session->nominal_sample_rate()) {
 965                                 boost::shared_ptr<SrcFileSource> sfs (new SrcFileSource(*_session, afs, ARDOUR::SrcGood));
 966                                 srclist.push_back(sfs);
 967                         } else {
 968                                 srclist.push_back(afs);
 969                         }
 970                 } catch (failed_constructor& err) {
 971                         PBD::error << _("Could not access soundfile: ") << path << endmsg;
 972                         AudioSource::set_build_peakfiles (old_sbp);
 973                         return;
 974                 }
 975         }
 976
 977         AudioSource::set_build_peakfiles (old_sbp);
 978
 979         if (srclist.empty()) {
 980                 return;
 981         }
 982
 983         afs = boost::dynamic_pointer_cast<AudioFileSource> (srclist[0]);
 984         std::string rname = region_name_from_path (afs->path(), false);
 985
 986         PBD::PropertyList plist;
 987
 988         plist.add (ARDOUR::Properties::start, 0);
 989         plist.add (ARDOUR::Properties::length, srclist[0]->length(srclist[0]->timeline_position()));
 990         plist.add (ARDOUR::Properties::name, rname);
 991         plist.add (ARDOUR::Properties::layer, 0);
 992
 993         r = boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (srclist, plist, false));
 994
 995         r->set_position(0);
 996         _session->audition_region(r);
 997         _audition_num = page;
 998 }
 999
1000 void
1001 ExportReport::play_audition ()
1002 {
1003         if (_audition_num >= 0 || !_session) { return; }
1004         if (files.find (_page_num) == files.end()) { return; }
1005         audition (files[_page_num].path, files[_page_num].channels, _page_num);
1006 }
1007
1008 void
1009 ExportReport::stop_audition ()
1010 {
1011         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1012                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1013                                 i != timeline[_audition_num].end();
1014                                 ++i) {
1015                         (*i)->set_playhead (-1);
1016                 }
1017         }
1018         if (_session) {
1019                 _session->cancel_audition();
1020         }
1021 }
1022
1023 void
1024 ExportReport::on_switch_page (GtkNotebookPage*, guint page_num)
1025 {
1026         if (_audition_num == _page_num) {
1027                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1028                                 i != timeline[_audition_num].end();
1029                                 ++i) {
1030                         (*i)->set_playhead (-1);
1031                 }
1032         }
1033         _page_num = page_num;
1034 }
1035
1036 void
1037 ExportReport::audition_progress (samplecnt_t pos, samplecnt_t len)
1038 {
1039         if (_audition_num == _page_num && timeline.find (_audition_num) != timeline.end ()) {
1040                 const float p = (float)pos / len;
1041                 for (std::list<CimgPlayheadArea*>::const_iterator i = timeline[_audition_num].begin();
1042                                 i != timeline[_audition_num].end();
1043                                 ++i) {
1044                         (*i)->set_playhead (p);
1045                 }
1046         }
1047 }
1048
1049 void
1050 ExportReport::audition_seek (int page, float pos)
1051 {
1052         if (_audition_num == page && _session) {
1053                 _session->the_auditioner()->seek_to_percent (100.f * pos);
1054         }
1055 }
1056
1057 void
1058 ExportReport::on_logscale_toggled (Gtk::ToggleButton* b)
1059 {
1060         bool en = b->get_active ();
1061         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1062                 (*i)->set_logscale (en);
1063         }
1064 }
1065
1066 void
1067 ExportReport::on_rectivied_toggled (Gtk::ToggleButton* b)
1068 {
1069         bool en = b->get_active ();
1070         for (std::list<CimgWaveArea*>::iterator i = waves.begin (); i != waves.end (); ++i) {
1071                 (*i)->set_rectified (en);
1072         }
1073 }
1074
1075 void
1076 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)
1077 {
1078         int w, h;
1079         Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create (get_pango_context ());
1080         const float ht = 2.f * height_2;
1081
1082         std::vector<double> dashes;
1083         dashes.push_back (3.0);
1084         dashes.push_back (5.0);
1085
1086         wave = Cairo::ImageSurface::create (Cairo::FORMAT_ARGB32, m_l + width, ht);
1087         Cairo::RefPtr<Cairo::Context> cr = Cairo::Context::create (wave);
1088         cr->set_operator (Cairo::OPERATOR_SOURCE);
1089         cr->rectangle (0, 0, m_l, ht);
1090         cr->set_source_rgba (0, 0, 0, 0);
1091         cr->fill ();
1092         cr->rectangle (m_l, 0, width, ht);
1093         cr->set_source_rgba (0, 0, 0, 1.0);
1094         cr->fill ();
1095         cr->set_operator (Cairo::OPERATOR_OVER);
1096
1097         cr->set_source_rgba (.7, .7, .7, 1.0);
1098         cr->set_line_width (1.0);
1099
1100         // -1dB range
1101         float clip_top;
1102         float clip_bot;
1103
1104         if (rect) {
1105                 clip_bot = ht;
1106
1107                 if (log) {
1108                         clip_top = ht * (1.f - alt_log_meter (-1));
1109                         for (size_t x = 0 ; x < width; ++x) {
1110                                 const float v = alt_log_meter (fast_coefficient_to_dB (std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min))));
1111                                 cr->move_to (m_l + x - .5, ht - ht * v);
1112                                 cr->line_to (m_l + x - .5, ht);
1113                         }
1114                         cr->stroke ();
1115                 } else {
1116                         clip_top = ht * (1.f - dB_to_coefficient (-1));
1117                         for (size_t x = 0 ; x < width; ++x) {
1118                                 const float v = std::max (fabsf (p->peaks[c][x].max), fabsf (p->peaks[c][x].min));
1119                                 cr->move_to (m_l + x - .5, ht - ht * v);
1120                                 cr->line_to (m_l + x - .5, ht);
1121                         }
1122                         cr->stroke ();
1123                 }
1124         } else {
1125                 if (log) {
1126                         clip_top = height_2 - height_2 * alt_log_meter (-1);
1127                         clip_bot = height_2 + height_2 * alt_log_meter (-1);
1128                         for (size_t x = 0 ; x < width; ++x) {
1129                                 float pmax, pmin;
1130                                 if (p->peaks[c][x].max > 0) {
1131                                         pmax =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].max));
1132                                 } else {
1133                                         pmax = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].max));
1134                                 }
1135
1136                                 if (p->peaks[c][x].min > 0) {
1137                                         pmin =  alt_log_meter (fast_coefficient_to_dB (p->peaks[c][x].min));
1138                                 } else {
1139                                         pmin = -alt_log_meter (fast_coefficient_to_dB (-p->peaks[c][x].min));
1140                                 }
1141                                 cr->move_to (m_l + x - .5, height_2 - height_2 * pmax);
1142                                 cr->line_to (m_l + x - .5, height_2 - height_2 * pmin);
1143                         }
1144                         cr->stroke ();
1145                 } else {
1146                         clip_top = height_2 - height_2 * dB_to_coefficient (-1);
1147                         clip_bot = height_2 + height_2 * dB_to_coefficient (-1);
1148                         for (size_t x = 0 ; x < width; ++x) {
1149                                 cr->move_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].max);
1150                                 cr->line_to (m_l + x - .5, height_2 - height_2 * p->peaks[c][x].min);
1151                         }
1152                         cr->stroke ();
1153                 }
1154         }
1155
1156         // >= 0dBFS
1157         cr->set_source_rgba (1.0, 0, 0, 1.0);
1158         for (size_t x = 0 ; x < width; ++x) {
1159                 if (p->peaks[c][x].max >= 1.0) {
1160                         cr->move_to (m_l + x - .5, 0);
1161                         cr->line_to (m_l + x - .5, clip_top);
1162                 }
1163                 if (p->peaks[c][x].min <= -1.0) {
1164                         cr->move_to (m_l + x - .5, clip_bot);
1165                         cr->line_to (m_l + x - .5, ht);
1166                 }
1167         }
1168         cr->stroke ();
1169
1170         // >= -1dBTP (coeff >= .89125, libs/vamp-plugins/TruePeak.cpp)
1171         cr->set_source_rgba (1.0, 0.7, 0, 0.7);
1172         for (std::set<samplepos_t>::const_iterator i = p->truepeakpos[c].begin (); i != p->truepeakpos[c].end (); ++i) {
1173                 cr->move_to (m_l + (*i) - .5, clip_top);
1174                 cr->line_to (m_l + (*i) - .5, clip_bot);
1175                 cr->stroke ();
1176         }
1177
1178         if (!rect) {
1179                 // zero line
1180                 cr->set_source_rgba (.3, .3, .3, 0.7);
1181                 cr->move_to (m_l + 0, height_2 - .5);
1182                 cr->line_to (m_l + width, height_2 - .5);
1183                 cr->stroke ();
1184         }
1185
1186         // Unit
1187         layout->set_font_description (UIConfiguration::instance ().get_SmallerFont ());
1188         layout->set_alignment (Pango::ALIGN_LEFT);
1189         layout->set_text (_("dBFS"));
1190         layout->get_pixel_size (w, h);
1191         cr->move_to (rint (m_l - h - anw - 10), rint (height_2 + w * .5));
1192         cr->set_source_rgba (.9, .9, .9, 1.0);
1193         cr->save ();
1194         cr->rotate (M_PI / -2.0);
1195         layout->show_in_cairo_context (cr);
1196         cr->restore ();
1197
1198         // x-Axis
1199         cr->set_line_width (1.0);
1200         cr->set_dash (dashes, 2.0);
1201         cr->set_line_cap (Cairo::LINE_CAP_ROUND);
1202
1203         layout->set_font_description (UIConfiguration::instance ().get_SmallMonospaceFont ());
1204
1205         if (rect) {
1206                 if (log) {
1207                         XAXISLABEL ((ht - ht * alt_log_meter (-36)), _("-36"));
1208                         XAXISLABEL ((ht - ht * alt_log_meter (-18)), _("-18"));
1209                         XAXISLABEL ((ht - ht * alt_log_meter (-9)), _("-9"));
1210                         XAXISLABEL ((ht - ht * alt_log_meter (-3)), _("-3"));
1211                 } else {
1212                         XAXISLABEL ((ht - ht * .1259), _("-18"));
1213                         XAXISLABEL ((ht - ht * .3548), _("-9"));
1214                         XAXISLABEL ((ht - ht * .7079), _("-3"));
1215                 }
1216         } else {
1217                 if (log) {
1218                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-18)), _("-18"));
1219                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-9)), _("-9"));
1220                         XAXISLABEL ((height_2 - height_2 * alt_log_meter (-3)), _("-3"));
1221                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-18)), _("-18"));
1222                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-9)), _("-9"));
1223                         XAXISLABEL ((height_2 + height_2 * alt_log_meter (-3)), _("-3"));
1224                 } else {
1225                         XAXISLABEL (height_2 * 0.6452, _("-9"));
1226                         XAXISLABEL (height_2 * 1.3548, _("-9"));
1227                         XAXISLABEL (height_2 * 0.2921, _("-3"));
1228                         XAXISLABEL (height_2 * 1.7079, _("-3"));
1229                 }
1230         }
1231         wave->flush ();
1232 }