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 <gtkmm/filechooserdialog.h>
  33 #include <gtkmm/stock.h>
  34 #include <gtkmm/table.h>
  35
  36 #include "pbd/gstdio_compat.h"
  37
  38 #include "pbd/error.h"
  39 #include "pbd/convert.h"
  40 #include "gtkmm2ext/keyboard.h"
  41 #include "gtkmm2ext/utils.h"
  42 #include "ardour/session_directory.h"
  43 #include "ardour/profile.h"
  44 #include "ardour/template_utils.h"
  45 #include "ardour/session.h"
  46 #include "ardour_ui.h"
  47 #include "gui_thread.h"
  48
  49 #include "ardour/export_handler.h"
  50 #include "ardour/export_status.h"
  51 #include "ardour/export_timespan.h"
  52 #include "ardour/export_channel_configuration.h"
  53 #include "ardour/export_format_specification.h"
  54 #include "ardour/export_filename.h"
  55 #include "ardour/route.h"
  56 #include "ardour/session_metadata.h"
  57 #include "ardour/broadcast_info.h"
  58
  59 #include "opts.h"
  60 #include "export_video_dialog.h"
  61 #include "utils_videotl.h"
  62 #include "pbd/i18n.h"
  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         , progress_box (0)
  87         , scale_checkbox (_("Scale Video (W x H):"))
  88         , scale_aspect (_("Retain Aspect"))
  89         , width_adjustment (768, 128, 1920, 1, 16, 0)
  90         , width_spinner (width_adjustment)
  91         , height_adjustment (576, 128, 1920, 1, 16, 0)
  92         , height_spinner (height_adjustment)
  93         , aspect_checkbox (_("Set Aspect Ratio:"))
  94         , normalize_checkbox (_("Normalize Audio"))
  95         , twopass_checkbox (_("2 Pass Encoding"))
  96         , optimizations_checkbox (_("Codec Optimizations:"))
  97         , optimizations_label ("-")
  98         , deinterlace_checkbox (_("Deinterlace"))
  99         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
 100         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
 101         , meta_checkbox (_("Include Session Metadata"))
 102 #if 1 /* tentative debug mode */
 103         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
 104 #endif
 105 {
 106         set_name ("ExportVideoDialog");
 107         set_modal (true);
 108         set_skip_taskbar_hint (true);
 109         set_resizable (false);
 110
 111         Gtk::Label* l;
 112         vbox = manage (new VBox);
 113         VBox* options_box = manage (new VBox);
 114         HBox* path_hbox;
 115
 116         /* check if ffmpeg can be found */
 117         _transcoder = new TranscodeFfmpeg(X_(""));
 118         if (!_transcoder->ffexec_ok()) {
 119                 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));
 120                 l->set_line_wrap();
 121                 vbox->pack_start (*l, false, false, 8);
 122                 get_vbox()->pack_start (*vbox, false, false);
 123                 add_button (Stock::OK, RESPONSE_CANCEL);
 124                 show_all_children ();
 125                 delete _transcoder; _transcoder = 0;
 126                 return;
 127         }
 128         delete _transcoder; _transcoder = 0;
 129
 130         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 131         l->set_use_markup ();
 132         vbox->pack_start (*l, false, false, 4);
 133
 134         path_hbox = manage (new HBox);
 135         path_hbox->pack_start (outfn_path_label, false, false, 3);
 136         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 137         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 138         vbox->pack_start (*path_hbox, false, false, 2);
 139
 140         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 141         l->set_use_markup ();
 142         vbox->pack_start (*l, false, false, 4);
 143
 144         path_hbox = manage (new HBox);
 145         path_hbox->pack_start (invid_path_label, false, false, 3);
 146         path_hbox->pack_start (invid_path_entry, true, true, 3);
 147         path_hbox->pack_start (invid_browse_button, false, false, 3);
 148         vbox->pack_start (*path_hbox, false, false, 2);
 149
 150         path_hbox = manage (new HBox);
 151         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 152         path_hbox->pack_start (*l, false, false, 3);
 153         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 154         path_hbox->pack_start (*l, false, false, 2);
 155         vbox->pack_start (*path_hbox, false, false, 2);
 156
 157         insnd_combo.append_text (string_compose (_("from session start marker to session end marker"), PROGRAM_NAME));
 158         outfn_path_entry.set_width_chars(38);
 159
 160         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 161         l->set_use_markup ();
 162         options_box->pack_start (*l, false, true, 4);
 163
 164         Table* t = manage (new Table (4, 12));
 165         t->set_spacings (4);
 166         int ty = 0;
 167         options_box->pack_start (*t, true, true, 4);
 168         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 169         t->attach (*l, 0, 1, ty, ty+1);
 170         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 171         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 172         t->attach (*l, 0, 1, ty, ty+1);
 173         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 174         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 175         t->attach (*l, 0, 1, ty, ty+1);
 176         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 177         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 178         t->attach (*l, 2, 3, ty, ty+1);
 179         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 180         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 181         t->attach (*l, 0, 1, ty, ty+1);
 182         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 183         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 184         t->attach (*l, 2, 3, ty, ty+1);
 185         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 186         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 187         t->attach (*l, 0, 1, ty, ty+1);
 188         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 189         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 190         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 191         t->attach (scale_aspect, 1, 2, ty, ty+1);
 192         t->attach (width_spinner, 2, 3, ty, ty+1);
 193         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 194         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 195         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 196         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 197         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 198         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 199         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 200         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 201         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 202         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 203         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 204 #if 1 /* tentative debug mode */
 205         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 206 #endif
 207
 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.append_text(_("(default for format)"));
 220         audio_codec_combo.append_text("ac3");
 221         audio_codec_combo.append_text("aac");
 222         audio_codec_combo.append_text("libmp3lame");
 223         audio_codec_combo.append_text("libvorbis");
 224         audio_codec_combo.append_text("mp2");
 225         audio_codec_combo.append_text("pcm_s16le");
 226
 227         video_codec_combo.append_text(_("(default for format)"));
 228         video_codec_combo.append_text("flv");
 229         video_codec_combo.append_text("libtheora");
 230         video_codec_combo.append_text("mjpeg");
 231         video_codec_combo.append_text("mpeg2video");
 232         video_codec_combo.append_text("mpeg4");
 233         video_codec_combo.append_text("h264");
 234         video_codec_combo.append_text("vpx (webm)");
 235         video_codec_combo.append_text("copy");
 236
 237         audio_bitrate_combo.append_text(_("(default)"));
 238         audio_bitrate_combo.append_text("64k");
 239         audio_bitrate_combo.append_text("128k");
 240         audio_bitrate_combo.append_text("192k");
 241         audio_bitrate_combo.append_text("256k");
 242         audio_bitrate_combo.append_text("320k");
 243
 244         audio_samplerate_combo.append_text("22050");
 245         audio_samplerate_combo.append_text("44100");
 246         audio_samplerate_combo.append_text("48000");
 247
 248         video_bitrate_combo.append_text(_("(default)"));
 249         video_bitrate_combo.append_text(_("(retain)"));
 250         video_bitrate_combo.append_text("200k");
 251         video_bitrate_combo.append_text("800k");
 252         video_bitrate_combo.append_text("2000k");
 253         video_bitrate_combo.append_text("5000k");
 254         video_bitrate_combo.append_text("8000k");
 255
 256         fps_combo.append_text("23.976");
 257         fps_combo.append_text("24");
 258         fps_combo.append_text("24.976");
 259         fps_combo.append_text("25");
 260         fps_combo.append_text("29.97");
 261         fps_combo.append_text("30");
 262         fps_combo.append_text("59.94");
 263         fps_combo.append_text("60");
 264
 265         aspect_combo.append_text("4:3");
 266         aspect_combo.append_text("16:9");
 267
 268         vbox->pack_start (*options_box, false, true, 4);
 269         get_vbox()->set_spacing (4);
 270         get_vbox()->pack_start (*vbox, false, false);
 271
 272         progress_box = manage (new VBox);
 273         progress_box->pack_start (pbar, false, false);
 274         progress_box->pack_start (abort_button, false, false);
 275         get_vbox()->pack_start (*progress_box, false, false);
 276
 277         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 278         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 279         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 280         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 281         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 282         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 283         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 284         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 285         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 286
 287         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 288         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 289         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 290
 291         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 292         get_action_area()->pack_start (transcode_button, false, false);
 293         show_all_children ();
 294         progress_box->hide();
 295 }
 296
 297 ExportVideoDialog::~ExportVideoDialog ()
 298 {
 299         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 300 }
 301
 302 void
 303 ExportVideoDialog::set_original_file_information()
 304 {
 305         assert(_transcoder == 0);
 306         std::string infile = invid_path_entry.get_text();
 307
 308         if (scale_checkbox.get_active()) {
 309                 // user may have set custom values already, don't touch.
 310                 return;
 311         }
 312         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 313                 return;
 314         }
 315
 316         _transcoder = new TranscodeFfmpeg(infile);
 317         if (_transcoder->probe_ok()) {
 318                 _video_source_aspect_ratio = -1;
 319                 width_spinner.set_value(_transcoder->get_width());
 320                 height_spinner.set_value(_transcoder->get_height());
 321                 _video_source_aspect_ratio = _transcoder->get_aspect();
 322         }
 323
 324         delete _transcoder; _transcoder = 0;
 325 }
 326 void
 327 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 328 {
 329         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 330
 331         export_range = tme;
 332         _video_source_aspect_ratio = -1;
 333
 334         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 335
 336         // TODO remember setting for export-range.. somehow, (let explicit range override)
 337         sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 338         if (av_offset < 0 ) {
 339                 insnd_combo.append_text (_("from 00:00:00:00 to the video end"));
 340         } else {
 341                 insnd_combo.append_text (_("from video start to video end"));
 342         }
 343         if (!export_range.empty()) {
 344                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_sample()
 345         }
 346         if (range) {
 347                 insnd_combo.set_active(2);
 348         } else {
 349                 insnd_combo.set_active(0);
 350         }
 351
 352         preset_combo.set_active(0);
 353         audio_codec_combo.set_active(0);
 354         video_codec_combo.set_active(0);
 355         audio_bitrate_combo.set_active(0);
 356         audio_samplerate_combo.set_active(2);
 357         video_bitrate_combo.set_active(0);
 358         aspect_combo.set_active(1);
 359
 360         scale_checkbox.set_active(false);
 361         scale_aspect.set_active(true);
 362         aspect_checkbox.set_active(false);
 363         normalize_checkbox.set_active(false);
 364         twopass_checkbox.set_active(false);
 365         optimizations_checkbox.set_active(false);
 366         deinterlace_checkbox.set_active(false);
 367         bframes_checkbox.set_active(false);
 368         fps_checkbox.set_active(false);
 369         meta_checkbox.set_active(false);
 370
 371         float tcfps = _session->timecode_frames_per_second();
 372
 373         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 374         bool filenameset = false;
 375         if (node) {
 376                 std::string filename;
 377                 if (node->get_property(X_("OriginalVideoFile"), filename)) {
 378                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 379                                 invid_path_entry.set_text (filename);
 380                                 filenameset = true;
 381                         }
 382                 }
 383
 384                 bool local_file;
 385
 386                 if (!filenameset && node->get_property (X_("Filename"), filename) &&
 387                     node->get_property (X_("LocalFile"), local_file) && local_file) {
 388                         if (filename.at(0) != G_DIR_SEPARATOR)
 389                         {
 390                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 391                         }
 392                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 393                         {
 394                                 invid_path_entry.set_text (filename);
 395                                 filenameset = true;
 396                         }
 397                 }
 398         }
 399         if (!filenameset) {
 400                 invid_path_entry.set_text (X_(""));
 401         }
 402
 403         node = _session->extra_xml (X_("Videoexport"));
 404         if (node) {
 405                 bool yn;
 406                 if (node->get_property (X_("ChangeGeometry"), yn)) {
 407                         scale_checkbox.set_active (yn);
 408                 }
 409                 if (node->get_property (X_("KeepAspect"), yn)) {
 410                         scale_aspect.set_active (yn);
 411                 }
 412                 if (node->get_property (X_("ChangeAspect"), yn)) {
 413                         aspect_checkbox.set_active (yn);
 414                 }
 415                 if (node->get_property (X_("NormalizeAudio"), yn)) {
 416                         normalize_checkbox.set_active (yn);
 417                 }
 418                 if (node->get_property (X_("TwoPassEncode"), yn)) {
 419                         twopass_checkbox.set_active (yn);
 420                 }
 421                 if (node->get_property (X_("CodecOptimzations"), yn)) {
 422                         optimizations_checkbox.set_active (yn);
 423                 }
 424                 if (node->get_property (X_("Deinterlace"), yn)) {
 425                         deinterlace_checkbox.set_active (yn);
 426                 }
 427                 if (node->get_property (X_("BSamples"), yn)) {
 428                         bframes_checkbox.set_active (yn);
 429                 }
 430                 if (node->get_property (X_("ChangeFPS"), yn)) {
 431                         fps_checkbox.set_active (yn);
 432                 }
 433                 if (node->get_property (X_("Metadata"), yn)) {
 434                         meta_checkbox.set_active (yn);
 435                 }
 436
 437                 std::string str;
 438                 if (node->get_property (X_("Format"), str) && !str.empty()) {
 439                         change_file_extension ("." + str);
 440                 }
 441
 442                 _suspend_signals = true;
 443                 double val;
 444                 if (node->get_property (X_("Width"), val)) {
 445                         width_spinner.set_value (val);
 446                 }
 447                 if (node->get_property (X_("Height"), val)) {
 448                         height_spinner.set_value (val);
 449                 }
 450                 _suspend_signals = false;
 451
 452                 if (fps_checkbox.get_active () && node->get_property (X_("FPS"), val)) {
 453                         tcfps = val;
 454                 }
 455
 456                 if (node->get_property (X_("Preset"), str)) {
 457                         preset_combo.set_active_text (str);
 458                 }
 459                 if (node->get_property (X_("VCodec"), str)) {
 460                         video_codec_combo.set_active_text (str);
 461                 }
 462                 if (node->get_property (X_("ACodec"), str)) {
 463                         audio_codec_combo.set_active_text (str);
 464                 }
 465                 if (node->get_property (X_("VBitrate"), str)) {
 466                         video_bitrate_combo.set_active_text (str);
 467                 }
 468                 if (node->get_property (X_("ABitrate"), str)) {
 469                         audio_bitrate_combo.set_active_text (str);
 470                 }
 471                 if (node->get_property (X_("AspectRatio"), str)) {
 472                         aspect_combo.set_active_text (str);
 473                 }
 474                 if (node->get_property (X_("SampleRate"), str)) {
 475                         audio_samplerate_combo.set_active_text (str);
 476                 }
 477         }
 478
 479         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 480         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 481         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 482         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 483         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 484         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 485         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 486         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 487         else { fps_combo.set_active(5); }
 488
 489         set_original_file_information();
 490
 491         /* update sensitivity */
 492         scale_checkbox_toggled();
 493         aspect_checkbox_toggled();
 494         fps_checkbox_toggled();
 495         video_codec_combo_changed();
 496
 497         _suspend_dirty = false;
 498
 499         show_all_children ();
 500         if (progress_box) {
 501                 progress_box->hide();
 502         }
 503 }
 504
 505 XMLNode&
 506 ExportVideoDialog::get_state ()
 507 {
 508         XMLNode* node = new XMLNode (X_("Videoexport"));
 509         node->set_property (X_("ChangeGeometry"), scale_checkbox.get_active());
 510         node->set_property (X_("KeepAspect"), scale_aspect.get_active());
 511         node->set_property (X_("ChangeAspect"), aspect_checkbox.get_active());
 512         node->set_property (X_("NormalizeAudio"), normalize_checkbox.get_active());
 513         node->set_property (X_("TwoPassEncode"), twopass_checkbox.get_active());
 514         node->set_property (X_("CodecOptimzations"), optimizations_checkbox.get_active());
 515         node->set_property (X_("Deinterlace"), deinterlace_checkbox.get_active());
 516         node->set_property (X_("BSamples"), bframes_checkbox.get_active());
 517         node->set_property (X_("ChangeFPS"), fps_checkbox.get_active());
 518         node->set_property (X_("Metadata"), meta_checkbox.get_active());
 519
 520         node->set_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 521
 522         node->set_property (X_("Width"), width_spinner.get_value());
 523         node->set_property (X_("Height"), height_spinner.get_value());
 524
 525         node->set_property (X_("Preset"), preset_combo.get_active_text());
 526         node->set_property (X_("VCodec"), video_codec_combo.get_active_text());
 527         node->set_property (X_("ACodec"), audio_codec_combo.get_active_text());
 528         node->set_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 529         node->set_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 530         node->set_property (X_("AspectRatio"), aspect_combo.get_active_text());
 531         node->set_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 532         node->set_property (X_("FPS"), fps_combo.get_active_text());
 533
 534         return *node;
 535 }
 536
 537 void
 538 ExportVideoDialog::set_state (const XMLNode &)
 539 {
 540 }
 541
 542 void
 543 ExportVideoDialog::on_show ()
 544 {
 545         Dialog::on_show ();
 546 }
 547
 548 void
 549 ExportVideoDialog::abort_clicked ()
 550 {
 551         _aborted = true;
 552         if (_transcoder) {
 553                 _transcoder->cancel();
 554         }
 555 }
 556
 557 void
 558 ExportVideoDialog::update_progress (samplecnt_t c, samplecnt_t a)
 559 {
 560         if (a == 0 || c > a) {
 561                 pbar.set_pulse_step(.1);
 562                 pbar.pulse();
 563         } else {
 564                 double progress = (double)c / (double) a;
 565                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 566                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 567                 else if (_normalize) progress += 2.0/3.0;
 568                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 569                 else progress += .5;
 570
 571                 pbar.set_fraction (progress);
 572         }
 573 }
 574
 575
 576 gint
 577 ExportVideoDialog::audio_progress_display ()
 578 {
 579         std::string status_text;
 580         double progress = -1.0;
 581         switch (status->active_job) {
 582                 case ExportStatus::Normalizing:
 583                         pbar.set_text (_("Normalizing audio"));
 584                         progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
 585                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0 / 3.0);
 586                         break;
 587                 case ExportStatus::Exporting:
 588                         pbar.set_text (_("Exporting audio"));
 589                         progress = ((float) status->processed_samples_current_timespan) / status->total_samples_current_timespan;
 590                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 591                         break;
 592                 default:
 593                         pbar.set_text (_("Exporting audio"));
 594                         break;
 595         }
 596
 597         if (progress < _previous_progress) {
 598                 // Work around gtk bug
 599                 pbar.hide();
 600                 pbar.show();
 601         }
 602         _previous_progress = progress;
 603
 604         if (progress >= 0) {
 605                 pbar.set_fraction (progress);
 606         } else {
 607                 pbar.set_pulse_step(.1);
 608                 pbar.pulse();
 609         }
 610         return TRUE;
 611 }
 612
 613 void
 614 ExportVideoDialog::finished ()
 615 {
 616         if (_aborted) {
 617                 ::g_unlink(outfn_path_entry.get_text().c_str());
 618                 ::g_unlink (_insnd.c_str());
 619                 delete _transcoder; _transcoder = 0;
 620                 Gtk::Dialog::response(RESPONSE_CANCEL);
 621         } else if (_twopass && _firstpass) {
 622                 _firstpass = false;
 623                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 624                 encode_pass(2);
 625         } else {
 626                 if (twopass_checkbox.get_active()) {
 627                         std::string outfn = outfn_path_entry.get_text();
 628                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 629                         ::g_unlink (p2log.c_str());
 630                 }
 631                 ::g_unlink (_insnd.c_str());
 632                 delete _transcoder; _transcoder = 0;
 633                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 634         }
 635 }
 636
 637 void
 638 ExportVideoDialog::launch_export ()
 639 {
 640         /* remember current settings.
 641          * needed because apply_state() acts on both:
 642          * "Videotimeline" and "Video Export" extra XML
 643          * as well as current _session settings
 644          */
 645         _session->add_extra_xml (get_state());
 646
 647         std::string outfn = outfn_path_entry.get_text();
 648         if (!confirm_video_outfn(*this, outfn)) { return; }
 649
 650         vbox->hide();
 651         cancel_button->hide();
 652         transcode_button.hide();
 653         pbar.set_size_request(300,-1);
 654         pbar.set_text(_("Exporting Audio..."));
 655         progress_box->show();
 656         _aborted = false;
 657         _twopass = twopass_checkbox.get_active();
 658         _firstpass = true;
 659         _normalize = normalize_checkbox.get_active();
 660
 661         /* export audio track */
 662         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 663         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 664         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 665         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 666         XMLTree tree;
 667         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 668         std::string vtl_normalize = _normalize ? "true" : "false";
 669         tree.read_buffer(std::string(
 670 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 671 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 672 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 673 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 674 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 675 "  <EncodingOptions>"
 676 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 677 "    <Option name=\"dithering\" value=\"D_None\"/>"
 678 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 679 "    <Option name=\"tag-support\" value=\"false\"/>"
 680 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 681 "  </EncodingOptions>"
 682 "  <Processing>"
 683 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 684 "    <Silence>"
 685 "      <Start>"
 686 "        <Trim enabled=\"false\"/>"
 687 "        <Add enabled=\"false\">"
 688 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 689 "        </Add>"
 690 "      </Start>"
 691 "      <End>"
 692 "        <Trim enabled=\"false\"/>"
 693 "        <Add enabled=\"false\">"
 694 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 695 "        </Add>"
 696 "      </End>"
 697 "    </Silence>"
 698 "  </Processing>"
 699 "</ExportFormatSpecification>"
 700 ));
 701         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 702
 703         /* set up range */
 704         samplepos_t start, end;
 705         start = end = 0;
 706         if (insnd_combo.get_active_row_number() == 1) {
 707                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 708                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 709                         end = _transcoder->get_duration() * _session->nominal_sample_rate() / _transcoder->get_fps();
 710                 } else {
 711                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 712                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 713                 }
 714                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 715
 716                 sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 717 #if 0 /* DEBUG */
 718                 printf("audio-range -- AV offset: %lld\n", av_offset);
 719 #endif
 720                 if (av_offset > 0) {
 721                         start = av_offset;
 722                 }
 723                 end += av_offset;
 724         }
 725         else if (insnd_combo.get_active_row_number() == 2) {
 726                 start = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.start());
 727                 end   = ARDOUR_UI::instance()->video_timeline->quantify_samples_to_apv(export_range.end_sample());
 728         }
 729         if (end <= 0) {
 730                 start = _session->current_start_sample();
 731                 end   = _session->current_end_sample();
 732         }
 733 #if 0 /* DEBUG */
 734         printf("audio export-range %lld -> %lld\n", start, end);
 735 #endif
 736
 737         const sampleoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 738         const sampleoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 739
 740         if ( (start >= end) || (end < vstart) || (start > vend)) {
 741                 warning << _("Export Video: export-range does not include video.") << endmsg;
 742                 delete _transcoder; _transcoder = 0;
 743                 Gtk::Dialog::response(RESPONSE_CANCEL);
 744                 return;
 745         }
 746
 747         tsp->set_range (start, end);
 748         tsp->set_name ("mysession");
 749         tsp->set_range_id ("session");
 750
 751         /* add master outs as default */
 752         IO* master_out = _session->master_out()->output().get();
 753         if (!master_out) {
 754                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 755                 delete _transcoder; _transcoder = 0;
 756                 Gtk::Dialog::response(RESPONSE_CANCEL);
 757                 return;
 758         }
 759         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 760                 PortExportChannel * channel = new PortExportChannel ();
 761                 channel->add_port (master_out->audio (n));
 762                 ExportChannelPtr chan_ptr (channel);
 763                 ccp->register_channel (chan_ptr);
 764         }
 765
 766         /* outfile */
 767         fnp->set_timespan(tsp);
 768         fnp->set_label("vtl");
 769         fnp->include_label = true;
 770         _insnd = fnp->get_path(fmp);
 771
 772         /* do sound export */
 773         fmp->set_soundcloud_upload(false);
 774         _session->get_export_handler()->reset ();
 775         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 776         _session->get_export_handler()->do_export();
 777         status = _session->get_export_status ();
 778
 779         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 780         _previous_progress = 0.0;
 781         while (status->running ()) {
 782                 if (_aborted) { status->abort(); }
 783                 if (gtk_events_pending()) {
 784                         gtk_main_iteration ();
 785                 } else {
 786                         Glib::usleep (10000);
 787                 }
 788         }
 789         audio_progress_connection.disconnect();
 790         status->finish ();
 791         if (status->aborted()) {
 792                 ::g_unlink (_insnd.c_str());
 793                 delete _transcoder; _transcoder = 0;
 794                 Gtk::Dialog::response(RESPONSE_CANCEL);
 795                 return;
 796         }
 797         pbar.set_text (_("Encoding Video..."));
 798         encode_pass(1);
 799 }
 800
 801 void
 802 ExportVideoDialog::encode_pass (int pass)
 803 {
 804         std::string outfn = outfn_path_entry.get_text();
 805         std::string invid = invid_path_entry.get_text();
 806
 807         _transcoder = new TranscodeFfmpeg(invid);
 808         if (!_transcoder->ffexec_ok()) {
 809                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 810                 ::g_unlink (_insnd.c_str());
 811                 delete _transcoder; _transcoder = 0;
 812                 Gtk::Dialog::response(RESPONSE_CANCEL);
 813                 return;
 814         }
 815         if (!_transcoder->probe_ok()) {
 816                 /* video input file can not be read */
 817                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 818                 ::g_unlink (_insnd.c_str());
 819                 delete _transcoder; _transcoder = 0;
 820                 Gtk::Dialog::response(RESPONSE_CANCEL);
 821                 return;
 822         }
 823
 824         std::string preset = preset_combo.get_active_text();
 825         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 826         ffs.clear();
 827
 828         if (fps_checkbox.get_active()) {
 829                 ffs["-r"] = fps_combo.get_active_text();
 830                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 831         }
 832
 833         if (scale_checkbox.get_active()) {
 834                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 835         }
 836
 837         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 838                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 839         }
 840         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 841                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 842         }
 843
 844         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 845                 ;
 846         }
 847         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 848                 ffs["-qscale"]  = "0";
 849         } else {
 850                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 851         }
 852
 853         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 854                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 855         }
 856
 857         if (audio_codec_combo.get_active_text() == "aac" ) {
 858                 ffs["-strict"] = "-2";
 859         }
 860
 861         if (video_codec_combo.get_active_text() == "h264" ) {
 862                 ffs["-vcodec"] = "libx264";
 863         }
 864         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 865                 ffs["-vcodec"] = "libvpx";
 866                 ffs["-g"] = "120";
 867                 ffs["-qmin"] = "11";
 868                 ffs["-qmax"] = "51";
 869         }
 870
 871         if (optimizations_checkbox.get_active()) {
 872           if (video_codec_combo.get_active_text() == "mpeg2video") {
 873                         ffs["-mbd"] = "rd";
 874                         ffs["-trellis"] = "2";
 875                         ffs["-cmp"] = "2";
 876                         ffs["-subcmp"] = "2";
 877                 }
 878                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 879                         ffs["-mbd"] = "rd";
 880                         ffs["-flags"] = "+mv4+aic";
 881                         ffs["-trellis"] = "2";
 882                         ffs["-cmp"] = "2";
 883                         ffs["-subcmp"] = "2";
 884                         ffs["-g"] = "300";
 885                 }
 886                 else if (video_codec_combo.get_active_text() == "flv") {
 887                         ffs["-mbd"] = "2";
 888                         ffs["-cmp"] = "2";
 889                         ffs["-subcmp"] = "2";
 890                         ffs["-trellis"] = "2";
 891                         ffs["-flags"] = "+aic+mv0+mv4";
 892                         ffs["-g"] = "160";
 893                 }
 894         }
 895
 896         if (bframes_checkbox.get_active() && (
 897                    video_codec_combo.get_active_text() == "mpeg2video"
 898                 || video_codec_combo.get_active_text() == "mpeg4"
 899                 )) {
 900                 ffs["-bf"] = "2";
 901         }
 902
 903         if (preset == "dvd-PAL") {
 904                 ffs.clear(); /* ignore all prev settings */
 905                 ffs["-target"] = "pal-dvd";
 906                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 907         }
 908         else if (preset == "dvd-NTSC") {
 909                 ffs.clear(); /* ignore all prev settings */
 910                 ffs["-target"] = "ntsc-dvd";
 911                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 912         }
 913
 914         if (aspect_checkbox.get_active()) {
 915                 ffs["-aspect"] = aspect_combo.get_active_text();
 916         }
 917         if (deinterlace_checkbox.get_active()) {
 918                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 919         }
 920
 921         bool map = true;
 922         if (pass == 1 && _twopass) {
 923                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 924                 map = false;
 925                 ffs["-pass"] = "1";
 926                 ffs["-an"] = "-y";
 927                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 928                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 929 #ifdef PLATFORM_WINDOWS
 930                 outfn = "NUL";
 931 #else
 932                 outfn = "/dev/null";
 933 #endif
 934         } else if (pass == 2) {
 935                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 936                 ffs["-pass"] = "2";
 937                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 938         }
 939
 940         sampleoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 941         double duration_s  = 0;
 942
 943         if (insnd_combo.get_active_row_number() == 0) {
 944                 /* session start to session end */
 945                 samplecnt_t duration_f = _session->current_end_sample() - _session->current_start_sample();
 946                 duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
 947         } else if (insnd_combo.get_active_row_number() == 2) {
 948                 /* selected range */
 949                 duration_s = export_range.length() / (double)_session->nominal_sample_rate();
 950         } else {
 951                 /* video start to end */
 952                 samplecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 953                 if (av_offset < 0 ) {
 954                         duration_f += av_offset;
 955                 }
 956                 duration_s = (double)duration_f / (double)_session->nominal_sample_rate();
 957         }
 958
 959         std::ostringstream osstream; osstream << duration_s;
 960         ffs["-t"] = osstream.str();
 961         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 962
 963         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 964                 samplepos_t start, snend;
 965                 const sampleoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 966                 if (insnd_combo.get_active_row_number() == 0) {
 967                         start = _session->current_start_sample();
 968                         snend = _session->current_end_sample();
 969                 } else {
 970                         start = export_range.start();
 971                         snend = export_range.end_sample();
 972                 }
 973
 974 #if 0 /* DEBUG */
 975                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 976                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 977 #endif
 978
 979                 if (av_offset > start && av_offset + vid_duration < snend) {
 980                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(),
 981                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
 982                 } else if (av_offset > start) {
 983                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_sample_rate(), 0);
 984                 } else if (av_offset + vid_duration < snend) {
 985                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_sample_rate());
 986                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
 987                 }
 988 #if 0
 989                 else if (start > av_offset) {
 990                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_sample_rate());
 991                         ffs["-ss"] = osstream.str();
 992                 }
 993 #endif
 994                 else {
 995                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_sample_rate());
 996                 }
 997
 998         } else if (av_offset < 0) {
 999                 /* from 00:00:00:00 to video-end */
1000                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_sample_rate());
1001         }
1002
1003         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
1004         if (meta_checkbox.get_active()) {
1005                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
1006                 if (session_data->year() > 0 ) {
1007                         std::ostringstream osstream; osstream << session_data->year();
1008                         meta["year"] = osstream.str();
1009                 }
1010                 if (session_data->track_number() > 0 ) {
1011                         std::ostringstream osstream; osstream << session_data->track_number();
1012                         meta["track"] = osstream.str();
1013                 }
1014                 if (session_data->disc_number() > 0 ) {
1015                         std::ostringstream osstream; osstream << session_data->disc_number();
1016                         meta["disc"] = osstream.str();
1017                 }
1018                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1019                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1020                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1021                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1022                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1023                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1024                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1025                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1026                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1027         }
1028
1029 #if 1 /* tentative debug mode */
1030         if (debug_checkbox.get_active()) {
1031                 _transcoder->set_debug(true);
1032         }
1033 #endif
1034
1035         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1036         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1037         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1038                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1039                 delete _transcoder; _transcoder = 0;
1040                 Gtk::Dialog::response(RESPONSE_CANCEL);
1041                 return;
1042         }
1043 }
1044
1045 void
1046 ExportVideoDialog::change_file_extension (std::string ext)
1047 {
1048         if (ext == "") return;
1049         outfn_path_entry.set_text (
1050                 strip_file_extension(outfn_path_entry.get_text()) + ext
1051         );
1052 }
1053
1054 void
1055 ExportVideoDialog::width_value_changed ()
1056 {
1057         if (_suspend_signals) {
1058                 return;
1059         }
1060         if (_session && !_suspend_dirty) _session->set_dirty ();
1061         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1062                 return;
1063         }
1064         if (_video_source_aspect_ratio <= 0) {
1065                 return;
1066         }
1067         _suspend_signals = true;
1068         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1069         _suspend_signals = false;
1070 }
1071
1072 void
1073 ExportVideoDialog::height_value_changed ()
1074 {
1075         if (_suspend_signals) {
1076                 return;
1077         }
1078         if (_session && !_suspend_dirty) _session->set_dirty ();
1079         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1080                 return;
1081         }
1082         if (_video_source_aspect_ratio <= 0) {
1083                 return;
1084         }
1085         _suspend_signals = true;
1086         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1087         _suspend_signals = false;
1088 }
1089
1090 void
1091 ExportVideoDialog::scale_checkbox_toggled ()
1092 {
1093         scale_aspect.set_sensitive(scale_checkbox.get_active());
1094         width_spinner.set_sensitive(scale_checkbox.get_active());
1095         height_spinner.set_sensitive(scale_checkbox.get_active());
1096         if (_session && !_suspend_dirty) _session->set_dirty ();
1097 }
1098
1099 void
1100 ExportVideoDialog::fps_checkbox_toggled ()
1101 {
1102         fps_combo.set_sensitive(fps_checkbox.get_active());
1103         if (_session && !_suspend_dirty) _session->set_dirty ();
1104 }
1105
1106 void
1107 ExportVideoDialog::aspect_checkbox_toggled ()
1108 {
1109         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1110         if (_session && !_suspend_dirty) _session->set_dirty ();
1111 }
1112
1113 void
1114 ExportVideoDialog::video_codec_combo_changed ()
1115 {
1116         if ((  video_codec_combo.get_active_text() == "mpeg4"
1117              ||video_codec_combo.get_active_text() == "mpeg2video"
1118                         ) && !(
1119                preset_combo.get_active_text() == "dvd-PAL"
1120              ||preset_combo.get_active_text() == "dvd-NTSC"
1121            )) {
1122                 bframes_checkbox.set_sensitive(true);
1123                 optimizations_checkbox.set_sensitive(true);
1124                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1125                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1126                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1127                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1128                 } else {
1129                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1130                 }
1131         } else {
1132                 bframes_checkbox.set_sensitive(false);
1133                 bframes_checkbox.set_active(false);
1134                 optimizations_checkbox.set_sensitive(false);
1135                 optimizations_checkbox.set_active(false);
1136                 optimizations_label.set_text("-");
1137         }
1138         if (_session && !_suspend_dirty) _session->set_dirty ();
1139 }
1140
1141 void
1142 ExportVideoDialog::preset_combo_changed ()
1143 {
1144         std::string p = preset_combo.get_active_text();
1145         scale_checkbox.set_sensitive(true);
1146
1147         if (p == "flv") {
1148                 change_file_extension(".flv");
1149                 audio_codec_combo.set_active(2);
1150                 video_codec_combo.set_active(1);
1151                 audio_bitrate_combo.set_active(2);
1152                 video_bitrate_combo.set_active(3);
1153                 audio_samplerate_combo.set_active(1);
1154         }
1155         else if (p == "you-tube") {
1156                 change_file_extension(".avi");
1157                 audio_codec_combo.set_active(3);
1158                 video_codec_combo.set_active(6);
1159                 audio_bitrate_combo.set_active(2);
1160                 video_bitrate_combo.set_active(4);
1161                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1162                         audio_samplerate_combo.set_active(2);
1163                 } else {
1164                         audio_samplerate_combo.set_active(1);
1165                 }
1166         }
1167         else if (p == "ogg") {
1168                 change_file_extension(".ogv");
1169                 audio_codec_combo.set_active(4);
1170                 video_codec_combo.set_active(2);
1171                 audio_bitrate_combo.set_active(3);
1172                 video_bitrate_combo.set_active(4);
1173                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1174                         audio_samplerate_combo.set_active(2);
1175                 } else {
1176                         audio_samplerate_combo.set_active(1);
1177                 }
1178         }
1179         else if (p == "webm") {
1180                 change_file_extension(".webm");
1181                 audio_codec_combo.set_active(4);
1182                 video_codec_combo.set_active(7);
1183                 audio_bitrate_combo.set_active(3);
1184                 video_bitrate_combo.set_active(4);
1185                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1186                         audio_samplerate_combo.set_active(2);
1187                 } else {
1188                         audio_samplerate_combo.set_active(1);
1189                 }
1190         }
1191         else if (p == "dvd-mp2") {
1192                 change_file_extension(".mpg");
1193                 audio_codec_combo.set_active(5);
1194                 video_codec_combo.set_active(4);
1195                 audio_bitrate_combo.set_active(4);
1196                 video_bitrate_combo.set_active(5);
1197                 audio_samplerate_combo.set_active(2);
1198         }
1199         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1200                 change_file_extension(".mpg");
1201                 audio_codec_combo.set_active(6);
1202                 video_codec_combo.set_active(4);
1203                 audio_bitrate_combo.set_active(4);
1204                 video_bitrate_combo.set_active(5);
1205                 audio_samplerate_combo.set_active(2);
1206
1207                 scale_checkbox.set_active(false);
1208                 scale_checkbox.set_sensitive(false);
1209         }
1210         else if (p == "mpeg4") {
1211                 change_file_extension(".mp4");
1212                 audio_codec_combo.set_active(1);
1213                 video_codec_combo.set_active(5);
1214                 audio_bitrate_combo.set_active(4);
1215                 video_bitrate_combo.set_active(5);
1216                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1217                         audio_samplerate_combo.set_active(2);
1218                 } else {
1219                         audio_samplerate_combo.set_active(1);
1220                 }
1221         }
1222         else if (p == "mp4/h264/aac") {
1223                 change_file_extension(".mp4");
1224                 audio_codec_combo.set_active(2);
1225                 video_codec_combo.set_active(6);
1226                 audio_bitrate_combo.set_active(0);
1227                 video_bitrate_combo.set_active(0);
1228                 if (_session->nominal_sample_rate() == 48000 || _session->nominal_sample_rate() == 96000) {
1229                         audio_samplerate_combo.set_active(2);
1230                 } else {
1231                         audio_samplerate_combo.set_active(1);
1232                 }
1233         }
1234
1235         if (p == "none") {
1236                 audio_codec_combo.set_sensitive(true);
1237                 video_codec_combo.set_sensitive(true);
1238                 audio_bitrate_combo.set_sensitive(true);
1239                 video_bitrate_combo.set_sensitive(true);
1240                 audio_samplerate_combo.set_sensitive(true);
1241         } else {
1242                 audio_codec_combo.set_sensitive(false);
1243                 video_codec_combo.set_sensitive(false);
1244                 audio_bitrate_combo.set_sensitive(false);
1245                 video_bitrate_combo.set_sensitive(false);
1246                 audio_samplerate_combo.set_sensitive(false);
1247         }
1248
1249         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1250         Gtk::Table_Helpers::TableList c = t->children();
1251         Gtk::Table_Helpers::TableList::iterator it;
1252         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1253                 for (it = c.begin(); it != c.end(); ++it) {
1254                         int row = it->get_top_attach();
1255                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1256                                 it->get_widget()->hide();
1257                         }
1258                 }
1259         } else {
1260                 for (it = c.begin(); it != c.end(); ++it) {
1261                         int row = it->get_top_attach();
1262                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1263                                 it->get_widget()->show();
1264                         }
1265                 }
1266         }
1267
1268         video_codec_combo_changed();
1269 }
1270
1271 void
1272 ExportVideoDialog::open_outfn_dialog ()
1273 {
1274         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1275         dialog.set_filename (outfn_path_entry.get_text());
1276
1277         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1278         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1279
1280         int result = dialog.run();
1281
1282         if (result == Gtk::RESPONSE_OK) {
1283                 std::string filename = dialog.get_filename();
1284
1285                 if (filename.length()) {
1286                         outfn_path_entry.set_text (filename);
1287                 }
1288         }
1289 }
1290
1291 void
1292 ExportVideoDialog::open_invid_dialog ()
1293 {
1294         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1295         dialog.set_filename (invid_path_entry.get_text());
1296
1297         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1298         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1299
1300         int result = dialog.run();
1301
1302         if (result == Gtk::RESPONSE_OK) {
1303                 std::string filename = dialog.get_filename();
1304
1305                 if (filename.length()) {
1306                         invid_path_entry.set_text (filename);
1307                 }
1308         }
1309 }