gtk2_ardour/export_video_dialog.cc

   1 /*
   2  * Copyright (C) 2013-2015 John Emmas <john@creativepost.co.uk>
   3  * Copyright (C) 2013-2018 Paul Davis <paul@linuxaudiosystems.com>
   4  * Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
   5  * Copyright (C) 2015 André Nusser <andre.nusser@googlemail.com>
   6  * Copyright (C) 2016 Tim Mayberry <mojofunk@gmail.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21  */
  22 #include <cstdio>
  23 #include <string>
  24 #include <sstream>
  25 #include <iomanip>
  26
  27 #include <unistd.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31
  32 #include <sigc++/bind.h>
  33
  34 #include <gtkmm/filechooserdialog.h>
  35 #include <gtkmm/stock.h>
  36 #include <gtkmm/table.h>
  37
  38 #include "pbd/gstdio_compat.h"
  39
  40 #include "pbd/error.h"
  41 #include "pbd/convert.h"
  42 #include "gtkmm2ext/keyboard.h"
  43 #include "gtkmm2ext/utils.h"
  44 #include "ardour/session_directory.h"
  45 #include "ardour/profile.h"
  46 #include "ardour/template_utils.h"
  47 #include "ardour/session.h"
  48 #include "ardour_ui.h"
  49 #include "gui_thread.h"
  50
  51 #include "ardour/export_handler.h"
  52 #include "ardour/export_status.h"
  53 #include "ardour/export_timespan.h"
  54 #include "ardour/export_channel_configuration.h"
  55 #include "ardour/export_format_specification.h"
  56 #include "ardour/export_filename.h"
  57 #include "ardour/route.h"
  58 #include "ardour/session_metadata.h"
  59 #include "ardour/broadcast_info.h"
  60
  61 #include "opts.h"
  62 #include "export_video_dialog.h"
  63 #include "utils_videotl.h"
  64 #include "pbd/i18n.h"
  65
  66 using namespace Gtk;
  67 using namespace std;
  68 using namespace PBD;
  69 using namespace ARDOUR;
  70 using namespace VideoUtils;
  71
  72 ExportVideoDialog::ExportVideoDialog ()
  73         : ArdourDialog (_("Export Video File "))
  74         , _aborted(false)
  75         , _twopass(false)
  76         , _firstpass(false)
  77         , _normalize(false)
  78         , _previous_progress(0)
  79         , _transcoder(0)
  80         , _video_source_aspect_ratio(-1)
  81         , _suspend_signals(false)
  82         , outfn_path_label (_("File:"), Gtk::ALIGN_LEFT)
  83         , outfn_browse_button (_("Browse"))
  84         , invid_path_label (_("Video:"), Gtk::ALIGN_LEFT)
  85         , invid_browse_button (_("Browse"))
  86         , transcode_button (_("Export"))
  87         , abort_button (_("Abort"))
  88         , progress_box (0)
  89         , scale_checkbox (_("Scale Video (W x H):"))
  90         , scale_aspect (_("Retain Aspect"))
  91         , width_adjustment (768, 128, 1920, 1, 16, 0)
  92         , width_spinner (width_adjustment)
  93         , height_adjustment (576, 128, 1920, 1, 16, 0)
  94         , height_spinner (height_adjustment)
  95         , aspect_checkbox (_("Set Aspect Ratio:"))
  96         , normalize_checkbox (_("Normalize Audio"))
  97         , twopass_checkbox (_("2 Pass Encoding"))
  98         , optimizations_checkbox (_("Codec Optimizations:"))
  99         , optimizations_label ("-")
 100         , deinterlace_checkbox (_("Deinterlace"))
 101         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
 102         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
 103         , meta_checkbox (_("Include Session Metadata"))
 104 #if 1 /* tentative debug mode */
 105         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
 106 #endif
 107 {
 108         set_name ("ExportVideoDialog");
 109         set_modal (true);
 110         set_skip_taskbar_hint (true);
 111         set_resizable (false);
 112
 113         Gtk::Label* l;
 114         vbox = manage (new VBox);
 115         VBox* options_box = manage (new VBox);
 116         HBox* path_hbox;
 117
 118         /* check if ffmpeg can be found */
 119         _transcoder = new TranscodeFfmpeg(X_(""));
 120         if (!_transcoder->ffexec_ok()) {
 121                 l = manage (new Label (_("ffmpeg installation was not found. Video Export is not possible. See the Log window for more information."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 122                 l->set_line_wrap();
 123                 vbox->pack_start (*l, false, false, 8);
 124                 get_vbox()->pack_start (*vbox, false, false);
 125                 add_button (Stock::OK, RESPONSE_CANCEL);
 126                 show_all_children ();
 127                 delete _transcoder; _transcoder = 0;
 128                 return;
 129         }
 130         delete _transcoder; _transcoder = 0;
 131
 132         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 133         l->set_use_markup ();
 134         vbox->pack_start (*l, false, false, 4);
 135
 136         path_hbox = manage (new HBox);
 137         path_hbox->pack_start (outfn_path_label, false, false, 3);
 138         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 139         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 140         vbox->pack_start (*path_hbox, false, false, 2);
 141
 142         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 143         l->set_use_markup ();
 144         vbox->pack_start (*l, false, false, 4);
 145
 146         path_hbox = manage (new HBox);
 147         path_hbox->pack_start (invid_path_label, false, false, 3);
 148         path_hbox->pack_start (invid_path_entry, true, true, 3);
 149         path_hbox->pack_start (invid_browse_button, false, false, 3);
 150         vbox->pack_start (*path_hbox, false, false, 2);
 151
 152         path_hbox = manage (new HBox);
 153         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 154         path_hbox->pack_start (*l, false, false, 3);
 155         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 156         path_hbox->pack_start (*l, false, false, 2);
 157         vbox->pack_start (*path_hbox, false, false, 2);
 158
 159         outfn_path_entry.set_width_chars(38);
 160
 161         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 162         l->set_use_markup ();
 163         options_box->pack_start (*l, false, true, 4);
 164
 165         Table* t = manage (new Table (4, 12));
 166         t->set_spacings (4);
 167         int ty = 0;
 168         options_box->pack_start (*t, true, true, 4);
 169         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 170         t->attach (*l, 0, 1, ty, ty+1);
 171         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 172         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 173         t->attach (*l, 0, 1, ty, ty+1);
 174         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 175         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 176         t->attach (*l, 0, 1, ty, ty+1);
 177         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 178         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 179         t->attach (*l, 2, 3, ty, ty+1);
 180         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 181         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 182         t->attach (*l, 0, 1, ty, ty+1);
 183         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 184         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 185         t->attach (*l, 2, 3, ty, ty+1);
 186         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 187         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 188         t->attach (*l, 0, 1, ty, ty+1);
 189         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 190         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 191         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 192         t->attach (scale_aspect, 1, 2, ty, ty+1);
 193         t->attach (width_spinner, 2, 3, ty, ty+1);
 194         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 195         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 196         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 197         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 198         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 199         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 200         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 201         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 202         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 203         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 204         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 205 #if 1 /* tentative debug mode */
 206         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 207 #endif
 208
 209         preset_combo.append_text("none");
 210         preset_combo.append_text("dvd-mp2");
 211         preset_combo.append_text("dvd-NTSC");
 212         preset_combo.append_text("dvd-PAL");
 213         preset_combo.append_text("flv");
 214         preset_combo.append_text("mpeg4");
 215         preset_combo.append_text("mp4/h264/aac");
 216         preset_combo.append_text("ogg");
 217         preset_combo.append_text("webm");
 218         preset_combo.append_text("you-tube");
 219
 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.append_text(_("(default for format)"));
 229         video_codec_combo.append_text("flv");
 230         video_codec_combo.append_text("libtheora");
 231         video_codec_combo.append_text("mjpeg");
 232         video_codec_combo.append_text("mpeg2video");
 233         video_codec_combo.append_text("mpeg4");
 234         video_codec_combo.append_text("h264");
 235         video_codec_combo.append_text("vpx (webm)");
 236         video_codec_combo.append_text("copy");
 237
 238         audio_bitrate_combo.append_text(_("(default)"));
 239         audio_bitrate_combo.append_text("64k");
 240         audio_bitrate_combo.append_text("128k");
 241         audio_bitrate_combo.append_text("192k");
 242         audio_bitrate_combo.append_text("256k");
 243         audio_bitrate_combo.append_text("320k");
 244
 245         audio_samplerate_combo.append_text("22050");
 246         audio_samplerate_combo.append_text("44100");
 247         audio_samplerate_combo.append_text("48000");
 248
 249         video_bitrate_combo.append_text(_("(default)"));
 250         video_bitrate_combo.append_text(_("(retain)"));
 251         video_bitrate_combo.append_text("200k");
 252         video_bitrate_combo.append_text("800k");
 253         video_bitrate_combo.append_text("2000k");
 254         video_bitrate_combo.append_text("5000k");
 255         video_bitrate_combo.append_text("8000k");
 256
 257         fps_combo.append_text("23.976");
 258         fps_combo.append_text("24");
 259         fps_combo.append_text("24.976");
 260         fps_combo.append_text("25");
 261         fps_combo.append_text("29.97");
 262         fps_combo.append_text("30");
 263         fps_combo.append_text("59.94");
 264         fps_combo.append_text("60");
 265
 266         aspect_combo.append_text("4:3");
 267         aspect_combo.append_text("16:9");
 268
 269         vbox->pack_start (*options_box, false, true, 4);
 270         get_vbox()->set_spacing (4);
 271         get_vbox()->pack_start (*vbox, false, false);
 272
 273         progress_box = manage (new VBox);
 274         progress_box->pack_start (pbar, false, false);
 275         progress_box->pack_start (abort_button, false, false);
 276         get_vbox()->pack_start (*progress_box, false, false);
 277
 278         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 279         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 280         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 281         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 282         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 283         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 284         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 285         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 286         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 287
 288         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 289         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 290         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 291
 292         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 293         get_action_area()->pack_start (transcode_button, false, false);
 294         show_all_children ();
 295         progress_box->hide();
 296 }
 297
 298 ExportVideoDialog::~ExportVideoDialog ()
 299 {
 300         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 301 }
 302
 303 void
 304 ExportVideoDialog::set_original_file_information()
 305 {
 306         assert(_transcoder == 0);
 307         std::string infile = invid_path_entry.get_text();
 308
 309         if (scale_checkbox.get_active()) {
 310                 // user may have set custom values already, don't touch.
 311                 return;
 312         }
 313         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 314                 return;
 315         }
 316
 317         _transcoder = new TranscodeFfmpeg(infile);
 318         if (_transcoder->probe_ok()) {
 319                 _video_source_aspect_ratio = -1;
 320                 width_spinner.set_value(_transcoder->get_width());
 321                 height_spinner.set_value(_transcoder->get_height());
 322                 _video_source_aspect_ratio = _transcoder->get_aspect();
 323         }
 324
 325         delete _transcoder; _transcoder = 0;
 326 }
 327 void
 328 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 329 {
 330         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 331
 332         export_range = tme;
 333         _video_source_aspect_ratio = -1;
 334
 335         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 336
 337         // TODO remember setting for export-range.. somehow, (let explicit range override)
 338         sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 339
 340         insnd_combo.remove_all ();
 341
 342         insnd_combo.append_text (_("from session start marker to session end marker"));
 343
 344         if (av_offset < 0 ) {
 345                 insnd_combo.append_text (_("from 00:00:00:00 to the video end"));
 346         } else {
 347                 insnd_combo.append_text (_("from video start to video end"));
 348         }
 349         if (!export_range.empty()) {
 350                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_sample()
 351         }
 352         if (range) {
 353                 insnd_combo.set_active(2);
 354         } else {
 355                 insnd_combo.set_active(0);
 356         }
 357
 358         preset_combo.set_active(0);
 359         audio_codec_combo.set_active(0);
 360         video_codec_combo.set_active(0);
 361         audio_bitrate_combo.set_active(0);
 362         audio_samplerate_combo.set_active(2);
 363         video_bitrate_combo.set_active(0);
 364         aspect_combo.set_active(1);
 365
 366         scale_checkbox.set_active(false);
 367         scale_aspect.set_active(true);
 368         aspect_checkbox.set_active(false);
 369         normalize_checkbox.set_active(false);
 370         twopass_checkbox.set_active(false);
 371         optimizations_checkbox.set_active(false);
 372         deinterlace_checkbox.set_active(false);
 373         bframes_checkbox.set_active(false);
 374         fps_checkbox.set_active(false);
 375         meta_checkbox.set_active(false);
 376
 377         float tcfps = _session->timecode_frames_per_second();
 378
 379         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 380         bool filenameset = false;
 381         if (node) {
 382                 std::string filename;
 383                 if (node->get_property(X_("OriginalVideoFile"), filename)) {
 384                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 385                                 invid_path_entry.set_text (filename);
 386                                 filenameset = true;
 387                         }
 388                 }
 389
 390                 bool local_file;
 391
 392                 if (!filenameset && node->get_property (X_("Filename"), filename) &&
 393                     node->get_property (X_("LocalFile"), local_file) && local_file) {
 394                         if (filename.at(0) != G_DIR_SEPARATOR)
 395                         {
 396                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 397                         }
 398                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 399                         {
 400                                 invid_path_entry.set_text (filename);
 401                                 filenameset = true;
 402                         }
 403                 }
 404         }
 405         if (!filenameset) {
 406                 invid_path_entry.set_text (X_(""));
 407         }
 408
 409         node = _session->extra_xml (X_("Videoexport"));
 410         if (node) {
 411                 bool yn;
 412                 if (node->get_property (X_("ChangeGeometry"), yn)) {
 413                         scale_checkbox.set_active (yn);
 414                 }
 415                 if (node->get_property (X_("KeepAspect"), yn)) {
 416                         scale_aspect.set_active (yn);
 417                 }
 418                 if (node->get_property (X_("ChangeAspect"), yn)) {
 419                         aspect_checkbox.set_active (yn);
 420                 }
 421                 if (node->get_property (X_("NormalizeAudio"), yn)) {
 422                         normalize_checkbox.set_active (yn);
 423                 }
 424                 if (node->get_property (X_("TwoPassEncode"), yn)) {
 425                         twopass_checkbox.set_active (yn);
 426                 }
 427                 if (node->get_property (X_("CodecOptimzations"), yn)) {
 428                         optimizations_checkbox.set_active (yn);
 429                 }
 430                 if (node->get_property (X_("Deinterlace"), yn)) {
 431                         deinterlace_checkbox.set_active (yn);
 432                 }
 433                 if (node->get_property (X_("BSamples"), yn)) {
 434                         bframes_checkbox.set_active (yn);
 435                 }
 436                 if (node->get_property (X_("ChangeFPS"), yn)) {
 437                         fps_checkbox.set_active (yn);
 438                 }
 439                 if (node->get_property (X_("Metadata"), yn)) {
 440                         meta_checkbox.set_active (yn);
 441                 }
 442
 443                 std::string str;
 444                 if (node->get_property (X_("Format"), str) && !str.empty()) {
 445                         change_file_extension ("." + str);
 446                 }
 447
 448                 _suspend_signals = true;
 449                 double val;
 450                 if (node->get_property (X_("Width"), val)) {
 451                         width_spinner.set_value (val);
 452                 }
 453                 if (node->get_property (X_("Height"), val)) {
 454                         height_spinner.set_value (val);
 455                 }
 456                 _suspend_signals = false;
 457
 458                 if (fps_checkbox.get_active () && node->get_property (X_("FPS"), val)) {
 459                         tcfps = val;
 460                 }
 461
 462                 if (node->get_property (X_("Preset"), str)) {
 463                         preset_combo.set_active_text (str);
 464                 }
 465                 if (node->get_property (X_("VCodec"), str)) {
 466                         video_codec_combo.set_active_text (str);
 467                 }
 468                 if (node->get_property (X_("ACodec"), str)) {
 469                         audio_codec_combo.set_active_text (str);
 470                 }
 471                 if (node->get_property (X_("VBitrate"), str)) {
 472                         video_bitrate_combo.set_active_text (str);
 473                 }
 474                 if (node->get_property (X_("ABitrate"), str)) {
 475                         audio_bitrate_combo.set_active_text (str);
 476                 }
 477                 if (node->get_property (X_("AspectRatio"), str)) {
 478                         aspect_combo.set_active_text (str);
 479                 }
 480                 if (node->get_property (X_("SampleRate"), str)) {
 481                         audio_samplerate_combo.set_active_text (str);
 482                 }
 483         }
 484
 485         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 486         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 487         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 488         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 489         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 490         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 491         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 492         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 493         else { fps_combo.set_active(5); }
 494
 495         set_original_file_information();
 496
 497         /* update sensitivity */
 498         scale_checkbox_toggled();
 499         aspect_checkbox_toggled();
 500         fps_checkbox_toggled();
 501         video_codec_combo_changed();
 502
 503         _suspend_dirty = false;
 504
 505         show_all_children ();
 506         if (progress_box) {
 507                 progress_box->hide();
 508         }
 509 }
 510
 511 XMLNode&
 512 ExportVideoDialog::get_state ()
 513 {
 514         XMLNode* node = new XMLNode (X_("Videoexport"));
 515         node->set_property (X_("ChangeGeometry"), scale_checkbox.get_active());
 516         node->set_property (X_("KeepAspect"), scale_aspect.get_active());
 517         node->set_property (X_("ChangeAspect"), aspect_checkbox.get_active());
 518         node->set_property (X_("NormalizeAudio"), normalize_checkbox.get_active());
 519         node->set_property (X_("TwoPassEncode"), twopass_checkbox.get_active());
 520         node->set_property (X_("CodecOptimzations"), optimizations_checkbox.get_active());
 521         node->set_property (X_("Deinterlace"), deinterlace_checkbox.get_active());
 522         node->set_property (X_("BSamples"), bframes_checkbox.get_active());
 523         node->set_property (X_("ChangeFPS"), fps_checkbox.get_active());
 524         node->set_property (X_("Metadata"), meta_checkbox.get_active());
 525
 526         node->set_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 527
 528         node->set_property (X_("Width"), width_spinner.get_value());
 529         node->set_property (X_("Height"), height_spinner.get_value());
 530
 531         node->set_property (X_("Preset"), preset_combo.get_active_text());
 532         node->set_property (X_("VCodec"), video_codec_combo.get_active_text());
 533         node->set_property (X_("ACodec"), audio_codec_combo.get_active_text());
 534         node->set_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 535         node->set_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 536         node->set_property (X_("AspectRatio"), aspect_combo.get_active_text());
 537         node->set_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 538         node->set_property (X_("FPS"), fps_combo.get_active_text());
 539
 540         return *node;
 541 }
 542
 543 void
 544 ExportVideoDialog::set_state (const XMLNode &)
 545 {
 546 }
 547
 548 void
 549 ExportVideoDialog::on_show ()
 550 {
 551         Dialog::on_show ();
 552 }
 553
 554 void
 555 ExportVideoDialog::abort_clicked ()
 556 {
 557         _aborted = true;
 558         if (_transcoder) {
 559                 _transcoder->cancel();
 560         }
 561 }
 562
 563 void
 564 ExportVideoDialog::update_progress (samplecnt_t c, samplecnt_t a)
 565 {
 566         if (a == 0 || c > a) {
 567                 pbar.set_pulse_step(.1);
 568                 pbar.pulse();
 569         } else {
 570                 double progress = (double)c / (double) a;
 571                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 572                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 573                 else if (_normalize) progress += 2.0/3.0;
 574                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 575                 else progress += .5;
 576
 577                 pbar.set_fraction (progress);
 578         }
 579 }
 580
 581
 582 gint
 583 ExportVideoDialog::audio_progress_display ()
 584 {
 585         std::string status_text;
 586         double progress = -1.0;
 587         switch (status->active_job) {
 588                 case ExportStatus::Normalizing:
 589                         pbar.set_text (_("Normalizing audio"));
 590                         progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
 591                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0 / 3.0);
 592                         break;
 593                 case ExportStatus::Exporting:
 594                         pbar.set_text (_("Exporting audio"));
 595                         progress = ((float) status->processed_samples_current_timespan) / status->total_samples_current_timespan;
 596                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 597                         break;
 598                 default:
 599                         pbar.set_text (_("Exporting audio"));
 600                         break;
 601         }
 602
 603         if (progress < _previous_progress) {
 604                 // Work around gtk bug
 605                 pbar.hide();
 606                 pbar.show();
 607         }
 608         _previous_progress = progress;
 609
 610         if (progress >= 0) {
 611                 pbar.set_fraction (progress);
 612         } else {
 613                 pbar.set_pulse_step(.1);
 614                 pbar.pulse();
 615         }
 616         return TRUE;
 617 }
 618
 619 void
 620 ExportVideoDialog::finished ()
 621 {
 622         if (_aborted) {
 623                 ::g_unlink(outfn_path_entry.get_text().c_str());
 624                 ::g_unlink (_insnd.c_str());
 625                 delete _transcoder; _transcoder = 0;
 626                 Gtk::Dialog::response(RESPONSE_CANCEL);
 627         } else if (_twopass && _firstpass) {
 628                 _firstpass = false;
 629                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 630                 encode_pass(2);
 631         } else {
 632                 if (twopass_checkbox.get_active()) {
 633                         std::string outfn = outfn_path_entry.get_text();
 634                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 635                         ::g_unlink (p2log.c_str());
 636                 }
 637                 ::g_unlink (_insnd.c_str());
 638                 delete _transcoder; _transcoder = 0;
 639                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 640         }
 641 }
 642
 643 void
 644 ExportVideoDialog::launch_export ()
 645 {
 646         /* remember current settings.
 647          * needed because apply_state() acts on both:
 648          * "Videotimeline" and "Video Export" extra XML
 649          * as well as current _session settings
 650          */
 651         _session->add_extra_xml (get_state());
 652
 653         std::string outfn = outfn_path_entry.get_text();
 654         if (!confirm_video_outfn(*this, outfn)) { return; }
 655
 656         vbox->hide();
 657         cancel_button->hide();
 658         transcode_button.hide();
 659         pbar.set_size_request(300,-1);
 660         pbar.set_text(_("Exporting Audio..."));
 661         progress_box->show();
 662         _aborted = false;
 663         _twopass = twopass_checkbox.get_active();
 664         _firstpass = true;
 665         _normalize = normalize_checkbox.get_active();
 666
 667         /* export audio track */
 668         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 669         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 670         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 671         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 672         XMLTree tree;
 673         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 674         std::string vtl_normalize = _normalize ? "true" : "false";
 675         tree.read_buffer(std::string(
 676 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 677 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 678 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 679 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 680 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 681 "  <EncodingOptions>"
 682 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 683 "    <Option name=\"dithering\" value=\"D_None\"/>"
 684 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 685 "    <Option name=\"tag-support\" value=\"false\"/>"
 686 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 687 "  </EncodingOptions>"
 688 "  <Processing>"
 689 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 690 "    <Silence>"
 691 "      <Start>"
 692 "        <Trim enabled=\"false\"/>"
 693 "        <Add enabled=\"false\">"
 694 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 695 "        </Add>"
 696 "      </Start>"
 697 "      <End>"
 698 "        <Trim enabled=\"false\"/>"
 699 "        <Add enabled=\"false\">"
 700 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 701 "        </Add>"
 702 "      </End>"
 703 "    </Silence>"
 704 "  </Processing>"
 705 "</ExportFormatSpecification>"
 706 ));
 707         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 708
 709         /* set up range */
 710         samplepos_t start, end;
 711         start = end = 0;
 712         if (insnd_combo.get_active_row_number() == 1) {
 713                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 714                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 715                         end = _transcoder->get_duration() * _session->nominal_sample_rate() / _transcoder->get_fps();
 716                 } else {
 717                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 718                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 719                 }
 720                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 721
 722                 sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 723 #if 0 /* DEBUG */
 724                 printf("audio-range -- AV offset: %lld\n", av_offset);
 725 #endif
 726                 if (av_offset > 0) {
 727                         start = av_offset;
 728                 }
 729                 end += av_offset;
 730         }
 731         else if (insnd_combo.get_active_row_number() == 2) {
 732                 start = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.start());
 733                 end   = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.end_sample());
 734         }
 735         if (end <= 0) {
 736                 start = _session->current_start_sample();
 737                 end   = _session->current_end_sample();
 738         }
 739 #if 0 /* DEBUG */
 740         printf("audio export-range %lld -> %lld\n", start, end);
 741 #endif
 742
 743         const sampleoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 744         const sampleoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 745
 746         if ( (start >= end) || (end < vstart) || (start > vend)) {
 747                 warning << _("Export Video: export-range does not include video.") << endmsg;
 748                 delete _transcoder; _transcoder = 0;
 749                 Gtk::Dialog::response(RESPONSE_CANCEL);
 750                 return;
 751         }
 752
 753         tsp->set_range (start, end);
 754         tsp->set_name ("mysession");
 755         tsp->set_range_id ("session");
 756
 757         /* add master outs as default */
 758         IO* master_out = _session->master_out()->output().get();
 759         if (!master_out) {
 760                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 761                 delete _transcoder; _transcoder = 0;
 762                 Gtk::Dialog::response(RESPONSE_CANCEL);
 763                 return;
 764         }
 765         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 766                 PortExportChannel * channel = new PortExportChannel ();
 767                 channel->add_port (master_out->audio (n));
 768                 ExportChannelPtr chan_ptr (channel);
 769                 ccp->register_channel (chan_ptr);
 770         }
 771
 772         /* outfile */
 773         fnp->set_timespan(tsp);
 774         fnp->set_label("vtl");
 775         fnp->include_label = true;
 776         _insnd = fnp->get_path(fmp);
 777
 778         /* do sound export */
 779         fmp->set_soundcloud_upload(false);
 780         _session->get_export_handler()->reset ();
 781         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 782         _session->get_export_handler()->do_export();
 783         status = _session->get_export_status ();
 784
 785         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 786         _previous_progress = 0.0;
 787         while (status->running ()) {
 788                 if (_aborted) { status->abort(); }
 789                 if (gtk_events_pending()) {
 790                         gtk_main_iteration ();
 791                 } else {
 792                         Glib::usleep (10000);
 793                 }
 794         }
 795         audio_progress_connection.disconnect();
 796         status->finish (TRS_UI);
 797         if (status->aborted()) {
 798                 ::g_unlink (_insnd.c_str());
 799                 delete _transcoder; _transcoder = 0;
 800                 Gtk::Dialog::response(RESPONSE_CANCEL);
 801                 return;
 802         }
 803         pbar.set_text (_("Encoding Video..."));
 804         encode_pass(1);
 805 }
 806
 807 void
 808 ExportVideoDialog::encode_pass (int pass)
 809 {
 810         std::string outfn = outfn_path_entry.get_text();
 811         std::string invid = invid_path_entry.get_text();
 812
 813         _transcoder = new TranscodeFfmpeg(invid);
 814         if (!_transcoder->ffexec_ok()) {
 815                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 816                 ::g_unlink (_insnd.c_str());
 817                 delete _transcoder; _transcoder = 0;
 818                 Gtk::Dialog::response(RESPONSE_CANCEL);
 819                 return;
 820         }
 821         if (!_transcoder->probe_ok()) {
 822                 /* video input file can not be read */
 823                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 824                 ::g_unlink (_insnd.c_str());
 825                 delete _transcoder; _transcoder = 0;
 826                 Gtk::Dialog::response(RESPONSE_CANCEL);
 827                 return;
 828         }
 829
 830         std::string preset = preset_combo.get_active_text();
 831         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 832         ffs.clear();
 833
 834         if (fps_checkbox.get_active()) {
 835                 ffs["-r"] = fps_combo.get_active_text();
 836                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 837         }
 838
 839         if (scale_checkbox.get_active()) {
 840                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 841         }
 842
 843         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 844                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 845         }
 846         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 847                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 848         }
 849
 850         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 851                 ;
 852         }
 853         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 854                 ffs["-qscale"]  = "0";
 855         } else {
 856                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 857         }
 858
 859         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 860                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 861         }
 862
 863         if (audio_codec_combo.get_active_text() == "aac" ) {
 864                 ffs["-strict"] = "-2";
 865         }
 866
 867         if (video_codec_combo.get_active_text() == "h264" ) {
 868                 ffs["-vcodec"] = "libx264";
 869         }
 870         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 871                 ffs["-vcodec"] = "libvpx";
 872                 ffs["-g"] = "120";
 873                 ffs["-qmin"] = "11";
 874                 ffs["-qmax"] = "51";
 875         }
 876
 877         if (optimizations_checkbox.get_active()) {
 878           if (video_codec_combo.get_active_text() == "mpeg2video") {
 879                         ffs["-mbd"] = "rd";
 880                         ffs["-trellis"] = "2";
 881                         ffs["-cmp"] = "2";
 882                         ffs["-subcmp"] = "2";
 883                 }
 884                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 885                         ffs["-mbd"] = "rd";
 886                         ffs["-flags"] = "+mv4+aic";
 887                         ffs["-trellis"] = "2";
 888                         ffs["-cmp"] = "2";
 889                         ffs["-subcmp"] = "2";
 890                         ffs["-g"] = "300";
 891                 }
 892                 else if (video_codec_combo.get_active_text() == "flv") {
 893                         ffs["-mbd"] = "2";
 894                         ffs["-cmp"] = "2";
 895                         ffs["-subcmp"] = "2";
 896                         ffs["-trellis"] = "2";
 897                         ffs["-flags"] = "+aic+mv0+mv4";
 898                         ffs["-g"] = "160";
 899                 }
 900         }
 901
 902         if (bframes_checkbox.get_active() && (
 903                    video_codec_combo.get_active_text() == "mpeg2video"
 904                 || video_codec_combo.get_active_text() == "mpeg4"
 905                 )) {
 906                 ffs["-bf"] = "2";
 907         }
 908
 909         if (preset == "dvd-PAL") {
 910                 ffs.clear(); /* ignore all prev settings */
 911                 ffs["-target"] = "pal-dvd";
 912                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 913         }
 914         else if (preset == "dvd-NTSC") {
 915                 ffs.clear(); /* ignore all prev settings */
 916                 ffs["-target"] = "ntsc-dvd";
 917                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 918         }
 919
 920         if (aspect_checkbox.get_active()) {
 921                 ffs["-aspect"] = aspect_combo.get_active_text();
 922         }
 923         if (deinterlace_checkbox.get_active()) {
 924                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 925         }
 926
 927         bool map = true;
 928         if (pass == 1 && _twopass) {
 929                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 930                 map = false;
 931                 ffs["-pass"] = "1";
 932                 ffs["-an"] = "-y";
 933                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 934                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 935 #ifdef PLATFORM_WINDOWS
 936                 outfn = "NUL";
 937 #else
 938                 outfn = "/dev/null";
 939 #endif
 940         } else if (pass == 2) {
 941                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 942                 ffs["-pass"] = "2";
 943                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 944         }
 945
 946         sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 947         double duration_s  = 0;
 948
 949         if (insnd_combo.get_active_row_number() == 0) {
 950                 /* session start to session end */
 951                 samplecnt_t duration_f = _session->current_end_sample() - _session->current_start_sample();
 952                 duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
 953         } else if (insnd_combo.get_active_row_number() == 2) {
 954                 /* selected range */
 955                 duration_s = export_range.length() / (double)_session->nominal_sample_rate();
 956         } else {
 957                 /* video start to end */
 958                 samplecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 959                 if (av_offset < 0 ) {
 960                         duration_f += av_offset;
 961                 }
 962                 duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
 963         }
 964
 965         std::ostringstream osstream; osstream << duration_s;
 966         ffs["-t"] = osstream.str();
 967         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 968
 969         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 970                 samplepos_t start, snend;
 971                 const sampleoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 972                 if (insnd_combo.get_active_row_number() == 0) {
 973                         start = _session->current_start_sample();
 974                         snend = _session->current_end_sample();
 975                 } else {
 976                         start = export_range.start();
 977                         snend = export_range.end_sample();
 978                 }
 979
 980 #if 0 /* DEBUG */
 981                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 982                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 983 #endif
 984
 985                 if (av_offset > start && av_offset + vid_duration < snend) {
 986                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(),
 987                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
 988                 } else if (av_offset > start) {
 989                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(), 0);
 990                 } else if (av_offset + vid_duration < snend) {
 991                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
 992                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
 993                 }
 994 #if 0
 995                 else if (start > av_offset) {
 996                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_sample_rate());
 997                         ffs["-ss"] = osstream.str();
 998                 }
 999 #endif
1000                 else {
1001                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
1002                 }
1003
1004         } else if (av_offset < 0) {
1005                 /* from 00:00:00:00 to video-end */
1006                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_sample_rate());
1007         }
1008
1009         /* NOTE: type (MetaDataMap) == type (FFSettings) == map<string, string> */
1010         ARDOUR::SessionMetadata::MetaDataMap meta = _transcoder->default_meta_data();
1011         if (meta_checkbox.get_active()) {
1012                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
1013                 session_data->av_export_tag (meta);
1014         }
1015
1016 #if 1 /* tentative debug mode */
1017         if (debug_checkbox.get_active()) {
1018                 _transcoder->set_debug(true);
1019         }
1020 #endif
1021
1022         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1023         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1024         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1025                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1026                 delete _transcoder; _transcoder = 0;
1027                 Gtk::Dialog::response(RESPONSE_CANCEL);
1028                 return;
1029         }
1030 }
1031
1032 void
1033 ExportVideoDialog::change_file_extension (std::string ext)
1034 {
1035         if (ext == "") return;
1036         outfn_path_entry.set_text (
1037                 strip_file_extension(outfn_path_entry.get_text()) + ext
1038         );
1039 }
1040
1041 void
1042 ExportVideoDialog::width_value_changed ()
1043 {
1044         if (_suspend_signals) {
1045                 return;
1046         }
1047         if (_session && !_suspend_dirty) _session->set_dirty ();
1048         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1049                 return;
1050         }
1051         if (_video_source_aspect_ratio <= 0) {
1052                 return;
1053         }
1054         _suspend_signals = true;
1055         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1056         _suspend_signals = false;
1057 }
1058
1059 void
1060 ExportVideoDialog::height_value_changed ()
1061 {
1062         if (_suspend_signals) {
1063                 return;
1064         }
1065         if (_session && !_suspend_dirty) _session->set_dirty ();
1066         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1067                 return;
1068         }
1069         if (_video_source_aspect_ratio <= 0) {
1070                 return;
1071         }
1072         _suspend_signals = true;
1073         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1074         _suspend_signals = false;
1075 }
1076
1077 void
1078 ExportVideoDialog::scale_checkbox_toggled ()
1079 {
1080         scale_aspect.set_sensitive(scale_checkbox.get_active());
1081         width_spinner.set_sensitive(scale_checkbox.get_active());
1082         height_spinner.set_sensitive(scale_checkbox.get_active());
1083         if (_session && !_suspend_dirty) _session->set_dirty ();
1084 }
1085
1086 void
1087 ExportVideoDialog::fps_checkbox_toggled ()
1088 {
1089         fps_combo.set_sensitive(fps_checkbox.get_active());
1090         if (_session && !_suspend_dirty) _session->set_dirty ();
1091 }
1092
1093 void
1094 ExportVideoDialog::aspect_checkbox_toggled ()
1095 {
1096         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1097         if (_session && !_suspend_dirty) _session->set_dirty ();
1098 }
1099
1100 void
1101 ExportVideoDialog::video_codec_combo_changed ()
1102 {
1103         if ((  video_codec_combo.get_active_text() == "mpeg4"
1104              ||video_codec_combo.get_active_text() == "mpeg2video"
1105                         ) && !(
1106                preset_combo.get_active_text() == "dvd-PAL"
1107              ||preset_combo.get_active_text() == "dvd-NTSC"
1108            )) {
1109                 bframes_checkbox.set_sensitive(true);
1110                 optimizations_checkbox.set_sensitive(true);
1111                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1112                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1113                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1114                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1115                 } else {
1116                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1117                 }
1118         } else {
1119                 bframes_checkbox.set_sensitive(false);
1120                 bframes_checkbox.set_active(false);
1121                 optimizations_checkbox.set_sensitive(false);
1122                 optimizations_checkbox.set_active(false);
1123                 optimizations_label.set_text("-");
1124         }
1125         if (_session && !_suspend_dirty) _session->set_dirty ();
1126 }
1127
1128 void
1129 ExportVideoDialog::preset_combo_changed ()
1130 {
1131         std::string p = preset_combo.get_active_text();
1132         scale_checkbox.set_sensitive(true);
1133
1134         if (p == "flv") {
1135                 change_file_extension(".flv");
1136                 audio_codec_combo.set_active(2);
1137                 video_codec_combo.set_active(1);
1138                 audio_bitrate_combo.set_active(2);
1139                 video_bitrate_combo.set_active(3);
1140                 audio_samplerate_combo.set_active(1);
1141         }
1142         else if (p == "you-tube") {
1143                 change_file_extension(".avi");
1144                 audio_codec_combo.set_active(3);
1145                 video_codec_combo.set_active(6);
1146                 audio_bitrate_combo.set_active(2);
1147                 video_bitrate_combo.set_active(4);
1148                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1149                         audio_samplerate_combo.set_active(2);
1150                 } else {
1151                         audio_samplerate_combo.set_active(1);
1152                 }
1153         }
1154         else if (p == "ogg") {
1155                 change_file_extension(".ogv");
1156                 audio_codec_combo.set_active(4);
1157                 video_codec_combo.set_active(2);
1158                 audio_bitrate_combo.set_active(3);
1159                 video_bitrate_combo.set_active(4);
1160                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1161                         audio_samplerate_combo.set_active(2);
1162                 } else {
1163                         audio_samplerate_combo.set_active(1);
1164                 }
1165         }
1166         else if (p == "webm") {
1167                 change_file_extension(".webm");
1168                 audio_codec_combo.set_active(4);
1169                 video_codec_combo.set_active(7);
1170                 audio_bitrate_combo.set_active(3);
1171                 video_bitrate_combo.set_active(4);
1172                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1173                         audio_samplerate_combo.set_active(2);
1174                 } else {
1175                         audio_samplerate_combo.set_active(1);
1176                 }
1177         }
1178         else if (p == "dvd-mp2") {
1179                 change_file_extension(".mpg");
1180                 audio_codec_combo.set_active(5);
1181                 video_codec_combo.set_active(4);
1182                 audio_bitrate_combo.set_active(4);
1183                 video_bitrate_combo.set_active(5);
1184                 audio_samplerate_combo.set_active(2);
1185         }
1186         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1187                 change_file_extension(".mpg");
1188                 audio_codec_combo.set_active(6);
1189                 video_codec_combo.set_active(4);
1190                 audio_bitrate_combo.set_active(4);
1191                 video_bitrate_combo.set_active(5);
1192                 audio_samplerate_combo.set_active(2);
1193
1194                 scale_checkbox.set_active(false);
1195                 scale_checkbox.set_sensitive(false);
1196         }
1197         else if (p == "mpeg4") {
1198                 change_file_extension(".mp4");
1199                 audio_codec_combo.set_active(1);
1200                 video_codec_combo.set_active(5);
1201                 audio_bitrate_combo.set_active(4);
1202                 video_bitrate_combo.set_active(5);
1203                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1204                         audio_samplerate_combo.set_active(2);
1205                 } else {
1206                         audio_samplerate_combo.set_active(1);
1207                 }
1208         }
1209         else if (p == "mp4/h264/aac") {
1210                 change_file_extension(".mp4");
1211                 audio_codec_combo.set_active(2);
1212                 video_codec_combo.set_active(6);
1213                 audio_bitrate_combo.set_active(0);
1214                 video_bitrate_combo.set_active(0);
1215                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1216                         audio_samplerate_combo.set_active(2);
1217                 } else {
1218                         audio_samplerate_combo.set_active(1);
1219                 }
1220         }
1221
1222         if (p == "none") {
1223                 audio_codec_combo.set_sensitive(true);
1224                 video_codec_combo.set_sensitive(true);
1225                 audio_bitrate_combo.set_sensitive(true);
1226                 video_bitrate_combo.set_sensitive(true);
1227                 audio_samplerate_combo.set_sensitive(true);
1228         } else {
1229                 audio_codec_combo.set_sensitive(false);
1230                 video_codec_combo.set_sensitive(false);
1231                 audio_bitrate_combo.set_sensitive(false);
1232                 video_bitrate_combo.set_sensitive(false);
1233                 audio_samplerate_combo.set_sensitive(false);
1234         }
1235
1236         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1237         Gtk::Table_Helpers::TableList c = t->children();
1238         Gtk::Table_Helpers::TableList::iterator it;
1239         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1240                 for (it = c.begin(); it != c.end(); ++it) {
1241                         int row = it->get_top_attach();
1242                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1243                                 it->get_widget()->hide();
1244                         }
1245                 }
1246         } else {
1247                 for (it = c.begin(); it != c.end(); ++it) {
1248                         int row = it->get_top_attach();
1249                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1250                                 it->get_widget()->show();
1251                         }
1252                 }
1253         }
1254
1255         video_codec_combo_changed();
1256 }
1257
1258 void
1259 ExportVideoDialog::open_outfn_dialog ()
1260 {
1261         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1262         Gtkmm2ext::add_volume_shortcuts (dialog);
1263         dialog.set_filename (outfn_path_entry.get_text());
1264
1265         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1266         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1267
1268         int result = dialog.run();
1269
1270         if (result == Gtk::RESPONSE_OK) {
1271                 std::string filename = dialog.get_filename();
1272
1273                 if (filename.length()) {
1274                         outfn_path_entry.set_text (filename);
1275                 }
1276         }
1277 }
1278
1279 void
1280 ExportVideoDialog::open_invid_dialog ()
1281 {
1282         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1283         Gtkmm2ext::add_volume_shortcuts (dialog);
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 }