gtk2_ardour/export_video_dialog.cc

   1 /*
   2     Copyright (C) 2010 Paul Davis
   3     Author: Robin Gareus <robin@gareus.org>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20 #include <cstdio>
  21 #include <string>
  22 #include <sstream>
  23 #include <iomanip>
  24
  25 #include <unistd.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <fcntl.h>
  29
  30 #include <sigc++/bind.h>
  31
  32 #include <glib/gstdio.h>
  33
  34 #include "pbd/error.h"
  35 #include "pbd/convert.h"
  36 #include "gtkmm2ext/keyboard.h"
  37 #include "gtkmm2ext/utils.h"
  38 #include "ardour/session_directory.h"
  39 #include "ardour/profile.h"
  40 #include "ardour/template_utils.h"
  41 #include "ardour/session.h"
  42 #include "ardour_ui.h"
  43 #include "gui_thread.h"
  44
  45 #include "ardour/export_handler.h"
  46 #include "ardour/export_status.h"
  47 #include "ardour/export_timespan.h"
  48 #include "ardour/export_channel_configuration.h"
  49 #include "ardour/export_format_specification.h"
  50 #include "ardour/export_filename.h"
  51 #include "ardour/route.h"
  52 #include "ardour/session_metadata.h"
  53 #include "ardour/broadcast_info.h"
  54
  55 #include "opts.h"
  56 #include "export_video_dialog.h"
  57 #include "utils_videotl.h"
  58 #include "i18n.h"
  59
  60 #ifdef COMPILER_MSVC
  61 #define rintf(x) round((x) + 0.5)
  62 #endif
  63
  64 using namespace Gtk;
  65 using namespace std;
  66 using namespace PBD;
  67 using namespace ARDOUR;
  68 using namespace VideoUtils;
  69
  70 ExportVideoDialog::ExportVideoDialog ()
  71         : ArdourDialog (_("Export Video File "))
  72         , _aborted(false)
  73         , _twopass(false)
  74         , _firstpass(false)
  75         , _normalize(false)
  76         , _previous_progress(0)
  77         , _transcoder(0)
  78         , _video_source_aspect_ratio(-1)
  79         , _suspend_signals(false)
  80         , outfn_path_label (_("File:"), Gtk::ALIGN_LEFT)
  81         , outfn_browse_button (_("Browse"))
  82         , invid_path_label (_("Video:"), Gtk::ALIGN_LEFT)
  83         , invid_browse_button (_("Browse"))
  84         , transcode_button (_("Export"))
  85         , abort_button (_("Abort"))
  86         , scale_checkbox (_("Scale Video (W x H):"))
  87         , scale_aspect (_("Retain Aspect"))
  88         , width_adjustment (768, 128, 1920, 1, 16, 0)
  89         , width_spinner (width_adjustment)
  90         , height_adjustment (576, 128, 1920, 1, 16, 0)
  91         , height_spinner (height_adjustment)
  92         , aspect_checkbox (_("Set Aspect Ratio:"))
  93         , normalize_checkbox (_("Normalize Audio"))
  94         , twopass_checkbox (_("2 Pass Encoding"))
  95         , optimizations_checkbox (_("Codec Optimizations:"))
  96         , optimizations_label ("-")
  97         , deinterlace_checkbox (_("Deinterlace"))
  98         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
  99         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
 100         , meta_checkbox (_("Include Session Metadata"))
 101 #if 1 /* tentative debug mode */
 102         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
 103 #endif
 104 {
 105         set_name ("ExportVideoDialog");
 106         set_modal (true);
 107         set_skip_taskbar_hint (true);
 108         set_resizable (false);
 109
 110         Gtk::Label* l;
 111         vbox = manage (new VBox);
 112         VBox* options_box = manage (new VBox);
 113         HBox* path_hbox;
 114
 115         /* check if ffmpeg can be found */
 116         _transcoder = new TranscodeFfmpeg("");
 117         if (!_transcoder->ffexec_ok()) {
 118                 l = manage (new Label (_("No ffprobe or ffmpeg executables could be found on this system. Video Export is not possible until you install those tools. See the Log window for more information."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 119                 l->set_line_wrap();
 120                 vbox->pack_start (*l, false, false, 8);
 121                 get_vbox()->pack_start (*vbox, false, false);
 122                 add_button (Stock::OK, RESPONSE_CANCEL);
 123                 show_all_children ();
 124                 return;
 125         }
 126         delete _transcoder; _transcoder = 0;
 127
 128         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 129         l->set_use_markup ();
 130         vbox->pack_start (*l, false, false, 4);
 131
 132         path_hbox = manage (new HBox);
 133         path_hbox->pack_start (outfn_path_label, false, false, 3);
 134         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 135         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 136         vbox->pack_start (*path_hbox, false, false, 2);
 137
 138         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 139         l->set_use_markup ();
 140         vbox->pack_start (*l, false, false, 4);
 141
 142         path_hbox = manage (new HBox);
 143         path_hbox->pack_start (invid_path_label, false, false, 3);
 144         path_hbox->pack_start (invid_path_entry, true, true, 3);
 145         path_hbox->pack_start (invid_browse_button, false, false, 3);
 146         vbox->pack_start (*path_hbox, false, false, 2);
 147
 148         path_hbox = manage (new HBox);
 149         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 150         path_hbox->pack_start (*l, false, false, 3);
 151         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 152         path_hbox->pack_start (*l, false, false, 2);
 153         vbox->pack_start (*path_hbox, false, false, 2);
 154
 155         insnd_combo.set_name ("PaddedButton");
 156         insnd_combo.append_text (string_compose (_("from the %1 session's start to the session's end"), PROGRAM_NAME));
 157         outfn_path_entry.set_width_chars(38);
 158
 159         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 160         l->set_use_markup ();
 161         options_box->pack_start (*l, false, true, 4);
 162
 163         Table* t = manage (new Table (4, 12));
 164         t->set_spacings (4);
 165         int ty = 0;
 166         options_box->pack_start (*t, true, true, 4);
 167         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 168         t->attach (*l, 0, 1, ty, ty+1);
 169         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 170         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 171         t->attach (*l, 0, 1, ty, ty+1);
 172         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 173         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 174         t->attach (*l, 0, 1, ty, ty+1);
 175         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 176         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 177         t->attach (*l, 2, 3, ty, ty+1);
 178         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 179         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 180         t->attach (*l, 0, 1, ty, ty+1);
 181         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 182         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 183         t->attach (*l, 2, 3, ty, ty+1);
 184         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 185         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 186         t->attach (*l, 0, 1, ty, ty+1);
 187         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 188         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 189         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 190         t->attach (scale_aspect, 1, 2, ty, ty+1);
 191         t->attach (width_spinner, 2, 3, ty, ty+1);
 192         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 193         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 194         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 195         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 196         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 197         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 198         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 199         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 200         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 201         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 202         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 203 #if 1 /* tentative debug mode */
 204         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 205 #endif
 206
 207         preset_combo.set_name ("PaddedButton");
 208         preset_combo.append_text("none");
 209         preset_combo.append_text("dvd-mp2");
 210         preset_combo.append_text("dvd-NTSC");
 211         preset_combo.append_text("dvd-PAL");
 212         preset_combo.append_text("flv");
 213         preset_combo.append_text("mpeg4");
 214         preset_combo.append_text("mp4/h264/aac");
 215         preset_combo.append_text("ogg");
 216         preset_combo.append_text("webm");
 217         preset_combo.append_text("you-tube");
 218
 219         audio_codec_combo.set_name ("PaddedButton");
 220         audio_codec_combo.append_text(_("(default for format)"));
 221         audio_codec_combo.append_text("ac3");
 222         audio_codec_combo.append_text("aac");
 223         audio_codec_combo.append_text("libmp3lame");
 224         audio_codec_combo.append_text("libvorbis");
 225         audio_codec_combo.append_text("mp2");
 226         audio_codec_combo.append_text("pcm_s16le");
 227
 228         video_codec_combo.set_name ("PaddedButton");
 229         video_codec_combo.append_text(_("(default for format)"));
 230         video_codec_combo.append_text("flv");
 231         video_codec_combo.append_text("libtheora");
 232         video_codec_combo.append_text("mjpeg");
 233         video_codec_combo.append_text("mpeg2video");
 234         video_codec_combo.append_text("mpeg4");
 235         video_codec_combo.append_text("h264");
 236         video_codec_combo.append_text("vpx (webm)");
 237         video_codec_combo.append_text("copy");
 238
 239         audio_bitrate_combo.set_name ("PaddedButton");
 240         audio_bitrate_combo.append_text(_("(default)"));
 241         audio_bitrate_combo.append_text("64k");
 242         audio_bitrate_combo.append_text("128k");
 243         audio_bitrate_combo.append_text("192k");
 244         audio_bitrate_combo.append_text("256k");
 245         audio_bitrate_combo.append_text("320k");
 246
 247         audio_samplerate_combo.set_name ("PaddedButton");
 248         audio_samplerate_combo.append_text("22050");
 249         audio_samplerate_combo.append_text("44100");
 250         audio_samplerate_combo.append_text("48000");
 251
 252         video_bitrate_combo.set_name ("PaddedButton");
 253         video_bitrate_combo.append_text(_("(default)"));
 254         video_bitrate_combo.append_text(_("(retain)"));
 255         video_bitrate_combo.append_text("200k");
 256         video_bitrate_combo.append_text("800k");
 257         video_bitrate_combo.append_text("2000k");
 258         video_bitrate_combo.append_text("5000k");
 259         video_bitrate_combo.append_text("8000k");
 260
 261         fps_combo.set_name ("PaddedButton");
 262         fps_combo.append_text("23.976");
 263         fps_combo.append_text("24");
 264         fps_combo.append_text("24.976");
 265         fps_combo.append_text("25");
 266         fps_combo.append_text("29.97");
 267         fps_combo.append_text("30");
 268         fps_combo.append_text("59.94");
 269         fps_combo.append_text("60");
 270
 271         aspect_combo.set_name ("PaddedButton");
 272         aspect_combo.append_text("4:3");
 273         aspect_combo.append_text("16:9");
 274
 275         vbox->pack_start (*options_box, false, true, 4);
 276         get_vbox()->set_spacing (4);
 277         get_vbox()->pack_start (*vbox, false, false);
 278
 279         progress_box = manage (new VBox);
 280         progress_box->pack_start (pbar, false, false);
 281         progress_box->pack_start (abort_button, false, false);
 282         get_vbox()->pack_start (*progress_box, false, false);
 283
 284         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 285         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 286         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 287         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 288         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 289         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 290         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 291         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 292         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 293
 294         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 295         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 296         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 297
 298         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 299         get_action_area()->pack_start (transcode_button, false, false);
 300         show_all_children ();
 301         progress_box->hide();
 302 }
 303
 304 ExportVideoDialog::~ExportVideoDialog ()
 305 {
 306         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 307 }
 308
 309 void
 310 ExportVideoDialog::set_original_file_information()
 311 {
 312         assert(_transcoder == 0);
 313         std::string infile = invid_path_entry.get_text();
 314
 315         if (scale_checkbox.get_active()) {
 316                 // user may have set custom values already, don't touch.
 317                 return;
 318         }
 319         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 320                 return;
 321         }
 322
 323         _transcoder = new TranscodeFfmpeg(infile);
 324         if (_transcoder->probe_ok()) {
 325                 _video_source_aspect_ratio = -1;
 326                 width_spinner.set_value(_transcoder->get_width());
 327                 height_spinner.set_value(_transcoder->get_height());
 328                 _video_source_aspect_ratio = _transcoder->get_aspect();
 329         }
 330
 331         delete _transcoder; _transcoder = 0;
 332 }
 333 void
 334 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 335 {
 336         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 337
 338         export_range = tme;
 339         _video_source_aspect_ratio = -1;
 340
 341         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 342
 343         // TODO remember setting for export-range.. somehow, (let explicit range override)
 344         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 345         if (av_offset < 0 ) {
 346                 insnd_combo.append_text (_("from 00:00:00:00 to the video's end"));
 347         } else {
 348                 insnd_combo.append_text (_("from the video's start to the video's end"));
 349         }
 350         if (!export_range.empty()) {
 351                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_frame()
 352         }
 353         if (range) {
 354                 insnd_combo.set_active(2);
 355         } else {
 356                 insnd_combo.set_active(0);
 357         }
 358
 359         preset_combo.set_active(0);
 360         audio_codec_combo.set_active(0);
 361         video_codec_combo.set_active(0);
 362         audio_bitrate_combo.set_active(0);
 363         audio_samplerate_combo.set_active(2);
 364         video_bitrate_combo.set_active(0);
 365         aspect_combo.set_active(1);
 366
 367         scale_checkbox.set_active(false);
 368         scale_aspect.set_active(true);
 369         aspect_checkbox.set_active(false);
 370         normalize_checkbox.set_active(false);
 371         twopass_checkbox.set_active(false);
 372         optimizations_checkbox.set_active(false);
 373         deinterlace_checkbox.set_active(false);
 374         bframes_checkbox.set_active(false);
 375         fps_checkbox.set_active(false);
 376         meta_checkbox.set_active(false);
 377
 378         float tcfps = _session->timecode_frames_per_second();
 379
 380         LocaleGuard lg (X_("C"));
 381
 382         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 383         if (node) {
 384                 bool filenameset = false;
 385                 if (node->property(X_("OriginalVideoFile"))) {
 386                         std::string filename = node->property(X_("OriginalVideoFile"))->value();
 387                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 388                                 invid_path_entry.set_text (filename);
 389                                 filenameset = true;
 390                         }
 391                 }
 392                 if (!filenameset
 393                                 && node->property(X_("Filename"))
 394                                 && node->property(X_("LocalFile"))
 395                                 && node->property(X_("LocalFile"))->value() == X_("1")
 396                    )
 397                 {
 398                         std::string filename = node->property(X_("Filename"))->value();
 399                         if (filename.at(0) != G_DIR_SEPARATOR)
 400                         {
 401                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 402                         }
 403                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 404                         {
 405                                 invid_path_entry.set_text (filename);
 406                                 filenameset = true;
 407                         }
 408                 }
 409                 if (!filenameset) {
 410                         invid_path_entry.set_text (X_(""));
 411                 }
 412         }
 413
 414         node = _session->extra_xml (X_("Videoexport"));
 415         if (node) {
 416                 const XMLProperty* prop;
 417                 prop = node->property (X_("ChangeGeometry"));
 418                 if (prop) { scale_checkbox.set_active(atoi(prop->value())?true:false); }
 419                 prop = node->property (X_("KeepAspect"));
 420                 if (prop) { scale_aspect.set_active(atoi(prop->value())?true:false); }
 421                 prop = node->property (X_("ChangeAspect"));
 422                 if (prop) { aspect_checkbox.set_active(atoi(prop->value())?true:false); }
 423                 prop = node->property (X_("NormalizeAudio"));
 424                 if (prop) { normalize_checkbox.set_active(atoi(prop->value())?true:false); }
 425                 prop = node->property (X_("TwoPassEncode"));
 426                 if (prop) { twopass_checkbox.set_active(atoi(prop->value())?true:false); }
 427                 prop = node->property (X_("CodecOptimzations"));
 428                 if (prop) { optimizations_checkbox.set_active(atoi(prop->value())?true:false); }
 429                 prop = node->property (X_("Deinterlace"));
 430                 if (prop) { deinterlace_checkbox.set_active(atoi(prop->value())?true:false); }
 431                 prop = node->property (X_("BFrames"));
 432                 if (prop) { bframes_checkbox.set_active(atoi(prop->value())?true:false); }
 433                 prop = node->property (X_("ChangeFPS"));
 434                 if (prop) { fps_checkbox.set_active(atoi(prop->value())?true:false); }
 435                 prop = node->property (X_("Metadata"));
 436                 if (prop) { meta_checkbox.set_active(atoi(prop->value())?true:false); }
 437
 438                 prop = node->property (X_("Format"));
 439                 if (prop && !prop->value().empty()) { change_file_extension( "." + prop->value()); }
 440
 441                 _suspend_signals = true;
 442                 prop = node->property (X_("Width"));
 443                 if (prop) { width_spinner.set_value(atoi(prop->value())); }
 444                 prop = node->property (X_("Height"));
 445                 if (prop) { height_spinner.set_value(atoi(prop->value())); }
 446                 _suspend_signals = false;
 447
 448                 prop = node->property (X_("FPS"));
 449                 if (prop && fps_checkbox.get_active()) { tcfps = atof(prop->value()); }
 450
 451                 prop = node->property (X_("Preset"));
 452                 if (prop) { preset_combo.set_active_text(prop->value()); }
 453                 prop = node->property (X_("VCodec"));
 454                 if (prop) { video_codec_combo.set_active_text(prop->value()); }
 455                 prop = node->property (X_("ACodec"));
 456                 if (prop) { audio_codec_combo.set_active_text(prop->value()); }
 457                 prop = node->property (X_("VBitrate"));
 458                 if (prop) { video_bitrate_combo.set_active_text(prop->value()); }
 459                 prop = node->property (X_("ABitrate"));
 460                 if (prop) { audio_bitrate_combo.set_active_text(prop->value()); }
 461                 prop = node->property (X_("AspectRatio"));
 462                 if (prop) { aspect_combo.set_active_text(prop->value()); }
 463                 prop = node->property (X_("SampleRate"));
 464                 if (prop) { audio_samplerate_combo.set_active_text(prop->value()); }
 465         }
 466
 467         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 468         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 469         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 470         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 471         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 472         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 473         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 474         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 475         else { fps_combo.set_active(5); }
 476
 477         set_original_file_information();
 478
 479         /* update sensitivity */
 480         scale_checkbox_toggled();
 481         aspect_checkbox_toggled();
 482         fps_checkbox_toggled();
 483         video_codec_combo_changed();
 484
 485         _suspend_dirty = false;
 486
 487         show_all_children ();
 488         progress_box->hide();
 489 }
 490
 491 XMLNode&
 492 ExportVideoDialog::get_state ()
 493 {
 494         LocaleGuard lg (X_("C"));
 495         XMLNode* node = new XMLNode (X_("Videoexport"));
 496         node->add_property (X_("ChangeGeometry"), scale_checkbox.get_active() ? X_("1") : X_("0"));
 497         node->add_property (X_("KeepAspect"), scale_aspect.get_active() ? X_("1") : X_("0"));
 498         node->add_property (X_("ChangeAspect"), aspect_checkbox.get_active() ? X_("1") : X_("0"));
 499         node->add_property (X_("NormalizeAudio"), normalize_checkbox.get_active() ? X_("1") : X_("0"));
 500         node->add_property (X_("TwoPassEncode"), twopass_checkbox.get_active() ? X_("1") : X_("0"));
 501         node->add_property (X_("CodecOptimzations"), optimizations_checkbox.get_active() ? X_("1") : X_("0"));
 502         node->add_property (X_("Deinterlace"), deinterlace_checkbox.get_active() ? X_("1") : X_("0"));
 503         node->add_property (X_("BFrames"), bframes_checkbox.get_active() ? X_("1") : X_("0"));
 504         node->add_property (X_("ChangeFPS"), fps_checkbox.get_active() ? X_("1") : X_("0"));
 505         node->add_property (X_("Metadata"), meta_checkbox.get_active() ? X_("1") : X_("0"));
 506
 507         node->add_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 508
 509         node->add_property (X_("Width"), width_spinner.get_value());
 510         node->add_property (X_("Height"), height_spinner.get_value());
 511
 512         node->add_property (X_("Preset"), preset_combo.get_active_text());
 513         node->add_property (X_("VCodec"), video_codec_combo.get_active_text());
 514         node->add_property (X_("ACodec"), audio_codec_combo.get_active_text());
 515         node->add_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 516         node->add_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 517         node->add_property (X_("AspectRatio"), aspect_combo.get_active_text());
 518         node->add_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 519         node->add_property (X_("FPS"), fps_combo.get_active_text());
 520
 521         return *node;
 522 }
 523
 524 void
 525 ExportVideoDialog::set_state (const XMLNode &)
 526 {
 527 }
 528
 529 void
 530 ExportVideoDialog::on_show ()
 531 {
 532         Dialog::on_show ();
 533 }
 534
 535 bool
 536 ExportVideoDialog::on_focus_in_event (GdkEventFocus *ev)
 537 {
 538         Dialog::on_focus_in_event (ev);
 539         Gtkmm2ext::Keyboard::magic_widget_grab_focus ();
 540         return true;
 541 }
 542
 543 bool
 544 ExportVideoDialog::on_focus_out_event (GdkEventFocus *ev)
 545 {
 546         Dialog::on_focus_out_event (ev);
 547         Gtkmm2ext::Keyboard::magic_widget_drop_focus ();
 548         return true;
 549 }
 550
 551 void
 552 ExportVideoDialog::abort_clicked ()
 553 {
 554         _aborted = true;
 555         if (_transcoder) {
 556                 _transcoder->cancel();
 557         }
 558 }
 559
 560 void
 561 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 562 {
 563         if (a == 0 || c > a) {
 564                 pbar.set_pulse_step(.1);
 565                 pbar.pulse();
 566         } else {
 567                 double progress = (double)c / (double) a;
 568                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 569                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 570                 else if (_normalize) progress += 2.0/3.0;
 571                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 572                 else progress += .5;
 573
 574                 pbar.set_fraction (progress);
 575         }
 576 }
 577
 578
 579 gint
 580 ExportVideoDialog::audio_progress_display ()
 581 {
 582         std::string status_text;
 583         double progress = 0.0;
 584                 if (status->normalizing) {
 585                         pbar.set_text (_("Normalizing audio"));
 586                         progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
 587                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0/3.0);
 588                 } else {
 589                         pbar.set_text (_("Exporting audio"));
 590                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 591                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 592                 }
 593                 if (progress < _previous_progress) {
 594                         // Work around gtk bug
 595                         pbar.hide();
 596                         pbar.show();
 597                 }
 598                 _previous_progress = progress;
 599                 pbar.set_fraction (progress);
 600         return TRUE;
 601 }
 602
 603 void
 604 ExportVideoDialog::finished ()
 605 {
 606         if (_aborted) {
 607                 ::g_unlink(outfn_path_entry.get_text().c_str());
 608                 ::g_unlink (_insnd.c_str());
 609                 delete _transcoder; _transcoder = 0;
 610                 Gtk::Dialog::response(RESPONSE_CANCEL);
 611         } else if (_twopass && _firstpass) {
 612                 _firstpass = false;
 613                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 614                 encode_pass(2);
 615         } else {
 616                 if (twopass_checkbox.get_active()) {
 617                         std::string outfn = outfn_path_entry.get_text();
 618                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 619                         ::g_unlink (p2log.c_str());
 620                 }
 621                 ::g_unlink (_insnd.c_str());
 622                 delete _transcoder; _transcoder = 0;
 623                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 624         }
 625 }
 626
 627 void
 628 ExportVideoDialog::launch_export ()
 629 {
 630         /* remember current settings.
 631          * needed because apply_state() acts on both:
 632          * "Videotimeline" and "Video Export" extra XML
 633          * as well as current _session settings
 634          */
 635         _session->add_extra_xml (get_state());
 636
 637         std::string outfn = outfn_path_entry.get_text();
 638         if (!confirm_video_outfn(outfn)) { return; }
 639
 640         vbox->hide();
 641         cancel_button->hide();
 642         transcode_button.hide();
 643         pbar.set_size_request(300,-1);
 644         pbar.set_text(_("Exporting Audio..."));
 645         progress_box->show();
 646         _aborted = false;
 647         _twopass = twopass_checkbox.get_active();
 648         _firstpass = true;
 649         _normalize = normalize_checkbox.get_active();
 650
 651         /* export audio track */
 652         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 653         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 654         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 655         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 656         XMLTree tree;
 657         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 658         std::string vtl_normalize = _normalize ? "true" : "false";
 659         tree.read_buffer(std::string(
 660 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 661 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 662 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 663 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 664 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 665 "  <EncodingOptions>"
 666 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 667 "    <Option name=\"dithering\" value=\"D_None\"/>"
 668 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 669 "    <Option name=\"tag-support\" value=\"false\"/>"
 670 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 671 "  </EncodingOptions>"
 672 "  <Processing>"
 673 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 674 "    <Silence>"
 675 "      <Start>"
 676 "        <Trim enabled=\"false\"/>"
 677 "        <Add enabled=\"false\">"
 678 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 679 "        </Add>"
 680 "      </Start>"
 681 "      <End>"
 682 "        <Trim enabled=\"false\"/>"
 683 "        <Add enabled=\"false\">"
 684 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 685 "        </Add>"
 686 "      </End>"
 687 "    </Silence>"
 688 "  </Processing>"
 689 "</ExportFormatSpecification>"
 690 ));
 691         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 692
 693         /* set up range */
 694         framepos_t start, end;
 695         start = end = 0;
 696         if (insnd_combo.get_active_row_number() == 1) {
 697                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 698                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 699                         end = _transcoder->get_duration() * _session->nominal_frame_rate() / _transcoder->get_fps();
 700                 } else {
 701                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 702                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 703                 }
 704                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 705
 706                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 707 #if 0 /* DEBUG */
 708                 printf("audio-range -- AV offset: %lld\n", av_offset);
 709 #endif
 710                 if (av_offset > 0) {
 711                         start = av_offset;
 712                 }
 713                 end += av_offset;
 714         }
 715         else if (insnd_combo.get_active_row_number() == 2) {
 716                 start = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.start());
 717                 end   = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.end_frame());
 718         }
 719         if (end <= 0) {
 720                 start = _session->current_start_frame();
 721                 end   = _session->current_end_frame();
 722         }
 723 #if 0 /* DEBUG */
 724         printf("audio export-range %lld -> %lld\n", start, end);
 725 #endif
 726
 727         const frameoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 728         const frameoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 729
 730         if ( (start >= end) || (end < vstart) || (start > vend)) {
 731                 warning << _("Export Video: export-range does not include video.") << endmsg;
 732                 delete _transcoder; _transcoder = 0;
 733                 Gtk::Dialog::response(RESPONSE_CANCEL);
 734                 return;
 735         }
 736
 737         tsp->set_range (start, end);
 738         tsp->set_name ("mysession");
 739         tsp->set_range_id ("session");
 740
 741         /* add master outs as default */
 742         IO* master_out = _session->master_out()->output().get();
 743         if (!master_out) {
 744                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 745                 delete _transcoder; _transcoder = 0;
 746                 Gtk::Dialog::response(RESPONSE_CANCEL);
 747                 return;
 748         }
 749         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 750                 PortExportChannel * channel = new PortExportChannel ();
 751                 channel->add_port (master_out->audio (n));
 752                 ExportChannelPtr chan_ptr (channel);
 753                 ccp->register_channel (chan_ptr);
 754         }
 755
 756         /* outfile */
 757         fnp->set_timespan(tsp);
 758         fnp->set_label("vtl");
 759         fnp->include_label = true;
 760         _insnd = fnp->get_path(fmp);
 761
 762         /* do sound export */
 763         fmp->set_soundcloud_upload(false);
 764         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 765         _session->get_export_handler()->do_export();
 766         status = _session->get_export_status ();
 767
 768         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 769         _previous_progress = 0.0;
 770         while (status->running) {
 771                 if (_aborted) { status->abort(); }
 772                 if (gtk_events_pending()) {
 773                         gtk_main_iteration ();
 774                 } else {
 775                         Glib::usleep (10000);
 776                 }
 777         }
 778         audio_progress_connection.disconnect();
 779         status->finish ();
 780         if (status->aborted()) {
 781                 ::g_unlink (_insnd.c_str());
 782                 delete _transcoder; _transcoder = 0;
 783                 Gtk::Dialog::response(RESPONSE_CANCEL);
 784                 return;
 785         }
 786         pbar.set_text (_("Encoding Video..."));
 787         encode_pass(1);
 788 }
 789
 790 void
 791 ExportVideoDialog::encode_pass (int pass)
 792 {
 793         std::string outfn = outfn_path_entry.get_text();
 794         std::string invid = invid_path_entry.get_text();
 795
 796         _transcoder = new TranscodeFfmpeg(invid);
 797         if (!_transcoder->ffexec_ok()) {
 798                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 799                 ::g_unlink (_insnd.c_str());
 800                 delete _transcoder; _transcoder = 0;
 801                 Gtk::Dialog::response(RESPONSE_CANCEL);
 802                 return;
 803         }
 804         if (!_transcoder->probe_ok()) {
 805                 /* video input file can not be read */
 806                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 807                 ::g_unlink (_insnd.c_str());
 808                 delete _transcoder; _transcoder = 0;
 809                 Gtk::Dialog::response(RESPONSE_CANCEL);
 810                 return;
 811         }
 812
 813         std::string preset = preset_combo.get_active_text();
 814         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 815         ffs.clear();
 816
 817         if (fps_checkbox.get_active()) {
 818                 ffs["-r"] = fps_combo.get_active_text();
 819                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 820         }
 821
 822         if (scale_checkbox.get_active()) {
 823                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 824         }
 825
 826         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 827                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 828         }
 829         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 830                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 831         }
 832
 833         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 834                 ;
 835         }
 836         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 837                 ffs["-qscale"]  = "0";
 838         } else {
 839                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 840         }
 841
 842         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 843                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 844         }
 845
 846         if (audio_codec_combo.get_active_text() == "aac" ) {
 847                 ffs["-strict"] = "-2";
 848         }
 849
 850         if (video_codec_combo.get_active_text() == "h264" ) {
 851                 ffs["-vcodec"] = "libx264";
 852         }
 853         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 854                 ffs["-vcodec"] = "libvpx";
 855                 ffs["-g"] = "120";
 856                 ffs["-qmin"] = "11";
 857                 ffs["-qmax"] = "51";
 858         }
 859
 860         if (optimizations_checkbox.get_active()) {
 861           if (video_codec_combo.get_active_text() == "mpeg2video") {
 862                         ffs["-mbd"] = "rd";
 863                         ffs["-trellis"] = "2";
 864                         ffs["-cmp"] = "2";
 865                         ffs["-subcmp"] = "2";
 866                 }
 867                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 868                         ffs["-mbd"] = "rd";
 869                         ffs["-flags"] = "+mv4+aic";
 870                         ffs["-trellis"] = "2";
 871                         ffs["-cmp"] = "2";
 872                         ffs["-subcmp"] = "2";
 873                         ffs["-g"] = "300";
 874                 }
 875                 else if (video_codec_combo.get_active_text() == "flv") {
 876                         ffs["-mbd"] = "2";
 877                         ffs["-cmp"] = "2";
 878                         ffs["-subcmp"] = "2";
 879                         ffs["-trellis"] = "2";
 880                         ffs["-flags"] = "+aic+mv0+mv4";
 881                         ffs["-g"] = "160";
 882                 }
 883         }
 884
 885         if (bframes_checkbox.get_active() && (
 886                    video_codec_combo.get_active_text() == "mpeg2video"
 887                 || video_codec_combo.get_active_text() == "mpeg4"
 888                 )) {
 889                 ffs["-bf"] = "2";
 890         }
 891
 892         if (preset == "dvd-PAL") {
 893                 ffs.clear(); /* ignore all prev settings */
 894                 ffs["-target"] = "pal-dvd";
 895                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 896         }
 897         else if (preset == "dvd-NTSC") {
 898                 ffs.clear(); /* ignore all prev settings */
 899                 ffs["-target"] = "ntsc-dvd";
 900                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 901         }
 902
 903         if (aspect_checkbox.get_active()) {
 904                 ffs["-aspect"] = aspect_combo.get_active_text();
 905         }
 906         if (deinterlace_checkbox.get_active()) {
 907                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 908         }
 909
 910         bool map = true;
 911         if (pass == 1 && _twopass) {
 912                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 913                 map = false;
 914                 ffs["-pass"] = "1";
 915                 ffs["-an"] = "-y";
 916                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 917                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 918 #ifdef PLATFORM_WINDOWS
 919                 outfn = "NUL";
 920 #else
 921                 outfn = "/dev/null";
 922 #endif
 923         } else if (pass == 2) {
 924                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 925                 ffs["-pass"] = "2";
 926                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 927         }
 928
 929         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 930         double duration_s  = 0;
 931
 932         if (insnd_combo.get_active_row_number() == 0) {
 933                 /* session start to session end */
 934                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 935                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 936         } else if (insnd_combo.get_active_row_number() == 2) {
 937                 /* selected range */
 938                 duration_s = export_range.length() / (double)_session->nominal_frame_rate();
 939         } else {
 940                 /* video start to end */
 941                 framecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 942                 if (av_offset < 0 ) {
 943                         duration_f += av_offset;
 944                 }
 945                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 946         }
 947
 948         std::ostringstream osstream; osstream << duration_s;
 949         ffs["-t"] = osstream.str();
 950         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 951
 952         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 953                 framepos_t start, snend;
 954                 const frameoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 955                 if (insnd_combo.get_active_row_number() == 0) {
 956                         start = _session->current_start_frame();
 957                         snend = _session->current_end_frame();
 958                 } else {
 959                         start = export_range.start();
 960                         snend = export_range.end_frame();
 961                 }
 962
 963 #if 0 /* DEBUG */
 964                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 965                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 966 #endif
 967
 968                 if (av_offset > start && av_offset + vid_duration < snend) {
 969                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(),
 970                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 971                 } else if (av_offset > start) {
 972                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(), 0);
 973                 } else if (av_offset + vid_duration < snend) {
 974                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 975                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 976                 }
 977 #if 0
 978                 else if (start > av_offset) {
 979                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_frame_rate());
 980                         ffs["-ss"] = osstream.str();
 981                 }
 982 #endif
 983                 else {
 984                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 985                 }
 986
 987         } else if (av_offset < 0) {
 988                 /* from 00:00:00:00 to video-end */
 989                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 990         }
 991
 992         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
 993         if (meta_checkbox.get_active()) {
 994                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
 995                 if (session_data->year() > 0 ) {
 996                         std::ostringstream osstream; osstream << session_data->year();
 997                         meta["year"] = osstream.str();
 998                 }
 999                 if (session_data->track_number() > 0 ) {
1000                         std::ostringstream osstream; osstream << session_data->track_number();
1001                         meta["track"] = osstream.str();
1002                 }
1003                 if (session_data->disc_number() > 0 ) {
1004                         std::ostringstream osstream; osstream << session_data->disc_number();
1005                         meta["disc"] = osstream.str();
1006                 }
1007                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1008                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1009                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1010                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1011                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1012                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1013                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1014                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1015                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1016         }
1017
1018 #if 1 /* tentative debug mode */
1019         if (debug_checkbox.get_active()) {
1020                 _transcoder->set_debug(true);
1021         }
1022 #endif
1023
1024         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1025         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1026         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1027                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1028                 delete _transcoder; _transcoder = 0;
1029                 Gtk::Dialog::response(RESPONSE_CANCEL);
1030                 return;
1031         }
1032 }
1033
1034 void
1035 ExportVideoDialog::change_file_extension (std::string ext)
1036 {
1037         if (ext == "") return;
1038         outfn_path_entry.set_text (
1039                 strip_file_extension(outfn_path_entry.get_text()) + ext
1040         );
1041 }
1042
1043 void
1044 ExportVideoDialog::width_value_changed ()
1045 {
1046         if (_suspend_signals) {
1047                 return;
1048         }
1049         if (_session && !_suspend_dirty) _session->set_dirty ();
1050         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1051                 return;
1052         }
1053         if (_video_source_aspect_ratio <= 0) {
1054                 return;
1055         }
1056         _suspend_signals = true;
1057         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1058         _suspend_signals = false;
1059 }
1060
1061 void
1062 ExportVideoDialog::height_value_changed ()
1063 {
1064         if (_suspend_signals) {
1065                 return;
1066         }
1067         if (_session && !_suspend_dirty) _session->set_dirty ();
1068         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1069                 return;
1070         }
1071         if (_video_source_aspect_ratio <= 0) {
1072                 return;
1073         }
1074         _suspend_signals = true;
1075         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1076         _suspend_signals = false;
1077 }
1078
1079 void
1080 ExportVideoDialog::scale_checkbox_toggled ()
1081 {
1082         scale_aspect.set_sensitive(scale_checkbox.get_active());
1083         width_spinner.set_sensitive(scale_checkbox.get_active());
1084         height_spinner.set_sensitive(scale_checkbox.get_active());
1085         if (_session && !_suspend_dirty) _session->set_dirty ();
1086 }
1087
1088 void
1089 ExportVideoDialog::fps_checkbox_toggled ()
1090 {
1091         fps_combo.set_sensitive(fps_checkbox.get_active());
1092         if (_session && !_suspend_dirty) _session->set_dirty ();
1093 }
1094
1095 void
1096 ExportVideoDialog::aspect_checkbox_toggled ()
1097 {
1098         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1099         if (_session && !_suspend_dirty) _session->set_dirty ();
1100 }
1101
1102 void
1103 ExportVideoDialog::video_codec_combo_changed ()
1104 {
1105         if ((  video_codec_combo.get_active_text() == "mpeg4"
1106              ||video_codec_combo.get_active_text() == "mpeg2video"
1107                         ) && !(
1108                preset_combo.get_active_text() == "dvd-PAL"
1109              ||preset_combo.get_active_text() == "dvd-NTSC"
1110            )) {
1111                 bframes_checkbox.set_sensitive(true);
1112                 optimizations_checkbox.set_sensitive(true);
1113                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1114                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1115                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1116                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1117                 } else {
1118                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1119                 }
1120         } else {
1121                 bframes_checkbox.set_sensitive(false);
1122                 bframes_checkbox.set_active(false);
1123                 optimizations_checkbox.set_sensitive(false);
1124                 optimizations_checkbox.set_active(false);
1125                 optimizations_label.set_text("-");
1126         }
1127         if (_session && !_suspend_dirty) _session->set_dirty ();
1128 }
1129
1130 void
1131 ExportVideoDialog::preset_combo_changed ()
1132 {
1133         std::string p = preset_combo.get_active_text();
1134         scale_checkbox.set_sensitive(true);
1135
1136         if (p == "flv") {
1137                 change_file_extension(".flv");
1138                 audio_codec_combo.set_active(2);
1139                 video_codec_combo.set_active(1);
1140                 audio_bitrate_combo.set_active(2);
1141                 video_bitrate_combo.set_active(3);
1142                 audio_samplerate_combo.set_active(1);
1143         }
1144         else if (p == "you-tube") {
1145                 change_file_extension(".avi");
1146                 audio_codec_combo.set_active(3);
1147                 video_codec_combo.set_active(6);
1148                 audio_bitrate_combo.set_active(2);
1149                 video_bitrate_combo.set_active(4);
1150                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1151                         audio_samplerate_combo.set_active(2);
1152                 } else {
1153                         audio_samplerate_combo.set_active(1);
1154                 }
1155         }
1156         else if (p == "ogg") {
1157                 change_file_extension(".ogv");
1158                 audio_codec_combo.set_active(4);
1159                 video_codec_combo.set_active(2);
1160                 audio_bitrate_combo.set_active(3);
1161                 video_bitrate_combo.set_active(4);
1162                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1163                         audio_samplerate_combo.set_active(2);
1164                 } else {
1165                         audio_samplerate_combo.set_active(1);
1166                 }
1167         }
1168         else if (p == "webm") {
1169                 change_file_extension(".webm");
1170                 audio_codec_combo.set_active(4);
1171                 video_codec_combo.set_active(7);
1172                 audio_bitrate_combo.set_active(3);
1173                 video_bitrate_combo.set_active(4);
1174                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1175                         audio_samplerate_combo.set_active(2);
1176                 } else {
1177                         audio_samplerate_combo.set_active(1);
1178                 }
1179         }
1180         else if (p == "dvd-mp2") {
1181                 change_file_extension(".mpg");
1182                 audio_codec_combo.set_active(5);
1183                 video_codec_combo.set_active(4);
1184                 audio_bitrate_combo.set_active(4);
1185                 video_bitrate_combo.set_active(5);
1186                 audio_samplerate_combo.set_active(2);
1187         }
1188         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1189                 change_file_extension(".mpg");
1190                 audio_codec_combo.set_active(6);
1191                 video_codec_combo.set_active(4);
1192                 audio_bitrate_combo.set_active(4);
1193                 video_bitrate_combo.set_active(5);
1194                 audio_samplerate_combo.set_active(2);
1195
1196                 scale_checkbox.set_active(false);
1197                 scale_checkbox.set_sensitive(false);
1198         }
1199         else if (p == "mpeg4") {
1200                 change_file_extension(".mp4");
1201                 audio_codec_combo.set_active(1);
1202                 video_codec_combo.set_active(5);
1203                 audio_bitrate_combo.set_active(4);
1204                 video_bitrate_combo.set_active(5);
1205                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1206                         audio_samplerate_combo.set_active(2);
1207                 } else {
1208                         audio_samplerate_combo.set_active(1);
1209                 }
1210         }
1211         else if (p == "mp4/h264/aac") {
1212                 change_file_extension(".mp4");
1213                 audio_codec_combo.set_active(2);
1214                 video_codec_combo.set_active(6);
1215                 audio_bitrate_combo.set_active(0);
1216                 video_bitrate_combo.set_active(0);
1217                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1218                         audio_samplerate_combo.set_active(2);
1219                 } else {
1220                         audio_samplerate_combo.set_active(1);
1221                 }
1222         }
1223
1224         if (p == "none") {
1225                 audio_codec_combo.set_sensitive(true);
1226                 video_codec_combo.set_sensitive(true);
1227                 audio_bitrate_combo.set_sensitive(true);
1228                 video_bitrate_combo.set_sensitive(true);
1229                 audio_samplerate_combo.set_sensitive(true);
1230         } else {
1231                 audio_codec_combo.set_sensitive(false);
1232                 video_codec_combo.set_sensitive(false);
1233                 audio_bitrate_combo.set_sensitive(false);
1234                 video_bitrate_combo.set_sensitive(false);
1235                 audio_samplerate_combo.set_sensitive(false);
1236         }
1237
1238         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1239         Gtk::Table_Helpers::TableList c = t->children();
1240         Gtk::Table_Helpers::TableList::iterator it;
1241         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1242                 for (it = c.begin(); it != c.end(); ++it) {
1243                         int row = it->get_top_attach();
1244                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1245                                 it->get_widget()->hide();
1246                         }
1247                 }
1248         } else {
1249                 for (it = c.begin(); it != c.end(); ++it) {
1250                         int row = it->get_top_attach();
1251                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1252                                 it->get_widget()->show();
1253                         }
1254                 }
1255         }
1256
1257         video_codec_combo_changed();
1258 }
1259
1260 void
1261 ExportVideoDialog::open_outfn_dialog ()
1262 {
1263         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1264         dialog.set_filename (outfn_path_entry.get_text());
1265
1266         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1267         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1268
1269         int result = dialog.run();
1270
1271         if (result == Gtk::RESPONSE_OK) {
1272                 std::string filename = dialog.get_filename();
1273
1274                 if (filename.length()) {
1275                         outfn_path_entry.set_text (filename);
1276                 }
1277         }
1278 }
1279
1280 void
1281 ExportVideoDialog::open_invid_dialog ()
1282 {
1283         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1284         dialog.set_filename (invid_path_entry.get_text());
1285
1286         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1287         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1288
1289         int result = dialog.run();
1290
1291         if (result == Gtk::RESPONSE_OK) {
1292                 std::string filename = dialog.get_filename();
1293
1294                 if (filename.length()) {
1295                         invid_path_entry.set_text (filename);
1296                 }
1297         }
1298 }