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 "pbd/gstdio_compat.h"
  33
  34 #include "pbd/error.h"
  35 #include "pbd/convert.h"
  36 #include "gtkmm2ext/keyboard.h"
  37 #include "gtkmm2ext/utils.h"
  38 #include "ardour/session_directory.h"
  39 #include "ardour/profile.h"
  40 #include "ardour/template_utils.h"
  41 #include "ardour/session.h"
  42 #include "ardour_ui.h"
  43 #include "gui_thread.h"
  44
  45 #include "ardour/export_handler.h"
  46 #include "ardour/export_status.h"
  47 #include "ardour/export_timespan.h"
  48 #include "ardour/export_channel_configuration.h"
  49 #include "ardour/export_format_specification.h"
  50 #include "ardour/export_filename.h"
  51 #include "ardour/route.h"
  52 #include "ardour/session_metadata.h"
  53 #include "ardour/broadcast_info.h"
  54
  55 #include "opts.h"
  56 #include "export_video_dialog.h"
  57 #include "utils_videotl.h"
  58 #include "pbd/i18n.h"
  59
  60 using namespace Gtk;
  61 using namespace std;
  62 using namespace PBD;
  63 using namespace ARDOUR;
  64 using namespace VideoUtils;
  65
  66 ExportVideoDialog::ExportVideoDialog ()
  67         : ArdourDialog (_("Export Video File "))
  68         , _aborted(false)
  69         , _twopass(false)
  70         , _firstpass(false)
  71         , _normalize(false)
  72         , _previous_progress(0)
  73         , _transcoder(0)
  74         , _video_source_aspect_ratio(-1)
  75         , _suspend_signals(false)
  76         , outfn_path_label (_("File:"), Gtk::ALIGN_LEFT)
  77         , outfn_browse_button (_("Browse"))
  78         , invid_path_label (_("Video:"), Gtk::ALIGN_LEFT)
  79         , invid_browse_button (_("Browse"))
  80         , transcode_button (_("Export"))
  81         , abort_button (_("Abort"))
  82         , progress_box (0)
  83         , scale_checkbox (_("Scale Video (W x H):"))
  84         , scale_aspect (_("Retain Aspect"))
  85         , width_adjustment (768, 128, 1920, 1, 16, 0)
  86         , width_spinner (width_adjustment)
  87         , height_adjustment (576, 128, 1920, 1, 16, 0)
  88         , height_spinner (height_adjustment)
  89         , aspect_checkbox (_("Set Aspect Ratio:"))
  90         , normalize_checkbox (_("Normalize Audio"))
  91         , twopass_checkbox (_("2 Pass Encoding"))
  92         , optimizations_checkbox (_("Codec Optimizations:"))
  93         , optimizations_label ("-")
  94         , deinterlace_checkbox (_("Deinterlace"))
  95         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
  96         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
  97         , meta_checkbox (_("Include Session Metadata"))
  98 #if 1 /* tentative debug mode */
  99         , debug_checkbox (_("Debug Mode: Print ffmpeg command and output to stdout."))
 100 #endif
 101 {
 102         set_name ("ExportVideoDialog");
 103         set_modal (true);
 104         set_skip_taskbar_hint (true);
 105         set_resizable (false);
 106
 107         Gtk::Label* l;
 108         vbox = manage (new VBox);
 109         VBox* options_box = manage (new VBox);
 110         HBox* path_hbox;
 111
 112         /* check if ffmpeg can be found */
 113         _transcoder = new TranscodeFfmpeg(X_(""));
 114         if (!_transcoder->ffexec_ok()) {
 115                 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));
 116                 l->set_line_wrap();
 117                 vbox->pack_start (*l, false, false, 8);
 118                 get_vbox()->pack_start (*vbox, false, false);
 119                 add_button (Stock::OK, RESPONSE_CANCEL);
 120                 show_all_children ();
 121                 delete _transcoder; _transcoder = 0;
 122                 return;
 123         }
 124         delete _transcoder; _transcoder = 0;
 125
 126         l = manage (new Label (_("<b>Output:</b> (file extension defines format)"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 127         l->set_use_markup ();
 128         vbox->pack_start (*l, false, false, 4);
 129
 130         path_hbox = manage (new HBox);
 131         path_hbox->pack_start (outfn_path_label, false, false, 3);
 132         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 133         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 134         vbox->pack_start (*path_hbox, false, false, 2);
 135
 136         l = manage (new Label (_("<b>Input Video:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 137         l->set_use_markup ();
 138         vbox->pack_start (*l, false, false, 4);
 139
 140         path_hbox = manage (new HBox);
 141         path_hbox->pack_start (invid_path_label, false, false, 3);
 142         path_hbox->pack_start (invid_path_entry, true, true, 3);
 143         path_hbox->pack_start (invid_browse_button, false, false, 3);
 144         vbox->pack_start (*path_hbox, false, false, 2);
 145
 146         path_hbox = manage (new HBox);
 147         l = manage (new Label (_("Audio:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 148         path_hbox->pack_start (*l, false, false, 3);
 149         l = manage (new Label (_("Master Bus"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 150         path_hbox->pack_start (*l, false, false, 2);
 151         vbox->pack_start (*path_hbox, false, false, 2);
 152
 153         insnd_combo.append_text (string_compose (_("from the %1 session's start to the session's end"), PROGRAM_NAME));
 154         outfn_path_entry.set_width_chars(38);
 155
 156         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 157         l->set_use_markup ();
 158         options_box->pack_start (*l, false, true, 4);
 159
 160         Table* t = manage (new Table (4, 12));
 161         t->set_spacings (4);
 162         int ty = 0;
 163         options_box->pack_start (*t, true, true, 4);
 164         l = manage (new Label (_("Range:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 165         t->attach (*l, 0, 1, ty, ty+1);
 166         t->attach (insnd_combo, 1, 4, ty, ty+1); ty++;
 167         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 168         t->attach (*l, 0, 1, ty, ty+1);
 169         t->attach (preset_combo, 1, 4, ty, ty+1); ty++;
 170         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 171         t->attach (*l, 0, 1, ty, ty+1);
 172         t->attach (video_codec_combo, 1, 2, ty, ty+1);
 173         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 174         t->attach (*l, 2, 3, ty, ty+1);
 175         t->attach (video_bitrate_combo, 3, 4, ty, ty+1); ty++;
 176         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 177         t->attach (*l, 0, 1, ty, ty+1);
 178         t->attach (audio_codec_combo, 1, 2, ty, ty+1);
 179         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 180         t->attach (*l, 2, 3, ty, ty+1);
 181         t->attach (audio_bitrate_combo, 3, 4, ty, ty+1); ty++;
 182         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 183         t->attach (*l, 0, 1, ty, ty+1);
 184         t->attach (audio_samplerate_combo, 1, 2, ty, ty+1);
 185         t->attach (normalize_checkbox, 2, 4, ty, ty+1); ty++;
 186         t->attach (scale_checkbox, 0, 1, ty, ty+1);
 187         t->attach (scale_aspect, 1, 2, ty, ty+1);
 188         t->attach (width_spinner, 2, 3, ty, ty+1);
 189         t->attach (height_spinner, 3, 4, ty, ty+1); ty++;
 190         t->attach (fps_checkbox, 0, 3, ty, ty+1);
 191         t->attach (fps_combo, 3, 4, ty, ty+1); ty++;
 192         t->attach (twopass_checkbox, 0, 2, ty, ty+1);
 193         t->attach (aspect_checkbox, 2, 3, ty, ty+1);
 194         t->attach (aspect_combo, 3, 4, ty, ty+1); ty++;
 195         t->attach (bframes_checkbox, 0, 2, ty, ty+1);
 196         t->attach (deinterlace_checkbox, 2, 4, ty, ty+1); ty++;
 197         t->attach (meta_checkbox, 2, 4, ty, ty+1); ty++;
 198         t->attach (optimizations_checkbox, 0, 1, ty, ty+1);
 199         t->attach (optimizations_label, 1, 4, ty, ty+1); ty++;
 200 #if 1 /* tentative debug mode */
 201         t->attach (debug_checkbox, 0, 4, ty, ty+1); ty++;
 202 #endif
 203
 204         preset_combo.append_text("none");
 205         preset_combo.append_text("dvd-mp2");
 206         preset_combo.append_text("dvd-NTSC");
 207         preset_combo.append_text("dvd-PAL");
 208         preset_combo.append_text("flv");
 209         preset_combo.append_text("mpeg4");
 210         preset_combo.append_text("mp4/h264/aac");
 211         preset_combo.append_text("ogg");
 212         preset_combo.append_text("webm");
 213         preset_combo.append_text("you-tube");
 214
 215         audio_codec_combo.append_text(_("(default for format)"));
 216         audio_codec_combo.append_text("ac3");
 217         audio_codec_combo.append_text("aac");
 218         audio_codec_combo.append_text("libmp3lame");
 219         audio_codec_combo.append_text("libvorbis");
 220         audio_codec_combo.append_text("mp2");
 221         audio_codec_combo.append_text("pcm_s16le");
 222
 223         video_codec_combo.append_text(_("(default for format)"));
 224         video_codec_combo.append_text("flv");
 225         video_codec_combo.append_text("libtheora");
 226         video_codec_combo.append_text("mjpeg");
 227         video_codec_combo.append_text("mpeg2video");
 228         video_codec_combo.append_text("mpeg4");
 229         video_codec_combo.append_text("h264");
 230         video_codec_combo.append_text("vpx (webm)");
 231         video_codec_combo.append_text("copy");
 232
 233         audio_bitrate_combo.append_text(_("(default)"));
 234         audio_bitrate_combo.append_text("64k");
 235         audio_bitrate_combo.append_text("128k");
 236         audio_bitrate_combo.append_text("192k");
 237         audio_bitrate_combo.append_text("256k");
 238         audio_bitrate_combo.append_text("320k");
 239
 240         audio_samplerate_combo.append_text("22050");
 241         audio_samplerate_combo.append_text("44100");
 242         audio_samplerate_combo.append_text("48000");
 243
 244         video_bitrate_combo.append_text(_("(default)"));
 245         video_bitrate_combo.append_text(_("(retain)"));
 246         video_bitrate_combo.append_text("200k");
 247         video_bitrate_combo.append_text("800k");
 248         video_bitrate_combo.append_text("2000k");
 249         video_bitrate_combo.append_text("5000k");
 250         video_bitrate_combo.append_text("8000k");
 251
 252         fps_combo.append_text("23.976");
 253         fps_combo.append_text("24");
 254         fps_combo.append_text("24.976");
 255         fps_combo.append_text("25");
 256         fps_combo.append_text("29.97");
 257         fps_combo.append_text("30");
 258         fps_combo.append_text("59.94");
 259         fps_combo.append_text("60");
 260
 261         aspect_combo.append_text("4:3");
 262         aspect_combo.append_text("16:9");
 263
 264         vbox->pack_start (*options_box, false, true, 4);
 265         get_vbox()->set_spacing (4);
 266         get_vbox()->pack_start (*vbox, false, false);
 267
 268         progress_box = manage (new VBox);
 269         progress_box->pack_start (pbar, false, false);
 270         progress_box->pack_start (abort_button, false, false);
 271         get_vbox()->pack_start (*progress_box, false, false);
 272
 273         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 274         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 275         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 276         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 277         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 278         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 279         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 280         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 281         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 282
 283         invid_path_entry.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::set_original_file_information));
 284         width_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::width_value_changed));
 285         height_spinner.signal_value_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::height_value_changed));
 286
 287         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 288         get_action_area()->pack_start (transcode_button, false, false);
 289         show_all_children ();
 290         progress_box->hide();
 291 }
 292
 293 ExportVideoDialog::~ExportVideoDialog ()
 294 {
 295         if (_transcoder) { delete _transcoder; _transcoder = 0;}
 296 }
 297
 298 void
 299 ExportVideoDialog::set_original_file_information()
 300 {
 301         assert(_transcoder == 0);
 302         std::string infile = invid_path_entry.get_text();
 303
 304         if (scale_checkbox.get_active()) {
 305                 // user may have set custom values already, don't touch.
 306                 return;
 307         }
 308         if (infile == "" || !Glib::file_test(infile, Glib::FILE_TEST_EXISTS)) {
 309                 return;
 310         }
 311
 312         _transcoder = new TranscodeFfmpeg(infile);
 313         if (_transcoder->probe_ok()) {
 314                 _video_source_aspect_ratio = -1;
 315                 width_spinner.set_value(_transcoder->get_width());
 316                 height_spinner.set_value(_transcoder->get_height());
 317                 _video_source_aspect_ratio = _transcoder->get_aspect();
 318         }
 319
 320         delete _transcoder; _transcoder = 0;
 321 }
 322 void
 323 ExportVideoDialog::apply_state (TimeSelection &tme, bool range)
 324 {
 325         _suspend_dirty = true; // TODO really just queue 'dirty' and mark session dirty on "Export"
 326
 327         export_range = tme;
 328         _video_source_aspect_ratio = -1;
 329
 330         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 331
 332         // TODO remember setting for export-range.. somehow, (let explicit range override)
 333         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 334         if (av_offset < 0 ) {
 335                 insnd_combo.append_text (_("from 00:00:00:00 to the video's end"));
 336         } else {
 337                 insnd_combo.append_text (_("from the video's start to the video's end"));
 338         }
 339         if (!export_range.empty()) {
 340                 insnd_combo.append_text (_("Selected range"));  // TODO show export_range.start() -> export_range.end_frame()
 341         }
 342         if (range) {
 343                 insnd_combo.set_active(2);
 344         } else {
 345                 insnd_combo.set_active(0);
 346         }
 347
 348         preset_combo.set_active(0);
 349         audio_codec_combo.set_active(0);
 350         video_codec_combo.set_active(0);
 351         audio_bitrate_combo.set_active(0);
 352         audio_samplerate_combo.set_active(2);
 353         video_bitrate_combo.set_active(0);
 354         aspect_combo.set_active(1);
 355
 356         scale_checkbox.set_active(false);
 357         scale_aspect.set_active(true);
 358         aspect_checkbox.set_active(false);
 359         normalize_checkbox.set_active(false);
 360         twopass_checkbox.set_active(false);
 361         optimizations_checkbox.set_active(false);
 362         deinterlace_checkbox.set_active(false);
 363         bframes_checkbox.set_active(false);
 364         fps_checkbox.set_active(false);
 365         meta_checkbox.set_active(false);
 366
 367         float tcfps = _session->timecode_frames_per_second();
 368
 369         LocaleGuard lg;
 370
 371         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 372         bool filenameset = false;
 373         if (node) {
 374                 std::string filename;
 375                 if (node->get_property(X_("OriginalVideoFile"), filename)) {
 376                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 377                                 invid_path_entry.set_text (filename);
 378                                 filenameset = true;
 379                         }
 380                 }
 381
 382                 bool local_file;
 383
 384                 if (!filenameset && node->get_property (X_("Filename"), filename) &&
 385                     node->get_property (X_("LocalFile"), local_file) && local_file) {
 386                         if (filename.at(0) != G_DIR_SEPARATOR)
 387                         {
 388                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 389                         }
 390                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 391                         {
 392                                 invid_path_entry.set_text (filename);
 393                                 filenameset = true;
 394                         }
 395                 }
 396         }
 397         if (!filenameset) {
 398                 invid_path_entry.set_text (X_(""));
 399         }
 400
 401         node = _session->extra_xml (X_("Videoexport"));
 402         if (node) {
 403                 bool yn;
 404                 if (node->get_property (X_("ChangeGeometry"), yn)) {
 405                         scale_checkbox.set_active (yn);
 406                 }
 407                 if (node->get_property (X_("KeepAspect"), yn)) {
 408                         scale_aspect.set_active (yn);
 409                 }
 410                 if (node->get_property (X_("ChangeAspect"), yn)) {
 411                         aspect_checkbox.set_active (yn);
 412                 }
 413                 if (node->get_property (X_("NormalizeAudio"), yn)) {
 414                         normalize_checkbox.set_active (yn);
 415                 }
 416                 if (node->get_property (X_("TwoPassEncode"), yn)) {
 417                         twopass_checkbox.set_active (yn);
 418                 }
 419                 if (node->get_property (X_("CodecOptimzations"), yn)) {
 420                         optimizations_checkbox.set_active (yn);
 421                 }
 422                 if (node->get_property (X_("Deinterlace"), yn)) {
 423                         deinterlace_checkbox.set_active (yn);
 424                 }
 425                 if (node->get_property (X_("BFrames"), yn)) {
 426                         bframes_checkbox.set_active (yn);
 427                 }
 428                 if (node->get_property (X_("ChangeFPS"), yn)) {
 429                         fps_checkbox.set_active (yn);
 430                 }
 431                 if (node->get_property (X_("Metadata"), yn)) {
 432                         meta_checkbox.set_active (yn);
 433                 }
 434
 435                 std::string str;
 436                 if (node->get_property (X_("Format"), str) && !str.empty()) {
 437                         change_file_extension ("." + str);
 438                 }
 439
 440                 _suspend_signals = true;
 441                 double val;
 442                 if (node->get_property (X_("Width"), val)) {
 443                         width_spinner.set_value (val);
 444                 }
 445                 if (node->get_property (X_("Height"), val)) {
 446                         height_spinner.set_value (val);
 447                 }
 448                 _suspend_signals = false;
 449
 450                 if (fps_checkbox.get_active () && node->get_property (X_("FPS"), val)) {
 451                         tcfps = val;
 452                 }
 453
 454                 if (node->get_property (X_("Preset"), str)) {
 455                         preset_combo.set_active_text (str);
 456                 }
 457                 if (node->get_property (X_("VCodec"), str)) {
 458                         video_codec_combo.set_active_text (str);
 459                 }
 460                 if (node->get_property (X_("ACodec"), str)) {
 461                         audio_codec_combo.set_active_text (str);
 462                 }
 463                 if (node->get_property (X_("VBitrate"), str)) {
 464                         video_bitrate_combo.set_active_text (str);
 465                 }
 466                 if (node->get_property (X_("ABitrate"), str)) {
 467                         audio_bitrate_combo.set_active_text (str);
 468                 }
 469                 if (node->get_property (X_("AspectRatio"), str)) {
 470                         aspect_combo.set_active_text (str);
 471                 }
 472                 if (node->get_property (X_("SampleRate"), str)) {
 473                         audio_samplerate_combo.set_active_text (str);
 474                 }
 475         }
 476
 477         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 478         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 479         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 480         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 481         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 482         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 483         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 484         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 485         else { fps_combo.set_active(5); }
 486
 487         set_original_file_information();
 488
 489         /* update sensitivity */
 490         scale_checkbox_toggled();
 491         aspect_checkbox_toggled();
 492         fps_checkbox_toggled();
 493         video_codec_combo_changed();
 494
 495         _suspend_dirty = false;
 496
 497         show_all_children ();
 498         if (progress_box) {
 499                 progress_box->hide();
 500         }
 501 }
 502
 503 XMLNode&
 504 ExportVideoDialog::get_state ()
 505 {
 506         LocaleGuard lg;
 507         XMLNode* node = new XMLNode (X_("Videoexport"));
 508         node->set_property (X_("ChangeGeometry"), scale_checkbox.get_active());
 509         node->set_property (X_("KeepAspect"), scale_aspect.get_active());
 510         node->set_property (X_("ChangeAspect"), aspect_checkbox.get_active());
 511         node->set_property (X_("NormalizeAudio"), normalize_checkbox.get_active());
 512         node->set_property (X_("TwoPassEncode"), twopass_checkbox.get_active());
 513         node->set_property (X_("CodecOptimzations"), optimizations_checkbox.get_active());
 514         node->set_property (X_("Deinterlace"), deinterlace_checkbox.get_active());
 515         node->set_property (X_("BFrames"), bframes_checkbox.get_active());
 516         node->set_property (X_("ChangeFPS"), fps_checkbox.get_active());
 517         node->set_property (X_("Metadata"), meta_checkbox.get_active());
 518
 519         node->set_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 520
 521         node->set_property (X_("Width"), width_spinner.get_value());
 522         node->set_property (X_("Height"), height_spinner.get_value());
 523
 524         node->set_property (X_("Preset"), preset_combo.get_active_text());
 525         node->set_property (X_("VCodec"), video_codec_combo.get_active_text());
 526         node->set_property (X_("ACodec"), audio_codec_combo.get_active_text());
 527         node->set_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 528         node->set_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 529         node->set_property (X_("AspectRatio"), aspect_combo.get_active_text());
 530         node->set_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 531         node->set_property (X_("FPS"), fps_combo.get_active_text());
 532
 533         return *node;
 534 }
 535
 536 void
 537 ExportVideoDialog::set_state (const XMLNode &)
 538 {
 539 }
 540
 541 void
 542 ExportVideoDialog::on_show ()
 543 {
 544         Dialog::on_show ();
 545 }
 546
 547 void
 548 ExportVideoDialog::abort_clicked ()
 549 {
 550         _aborted = true;
 551         if (_transcoder) {
 552                 _transcoder->cancel();
 553         }
 554 }
 555
 556 void
 557 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 558 {
 559         if (a == 0 || c > a) {
 560                 pbar.set_pulse_step(.1);
 561                 pbar.pulse();
 562         } else {
 563                 double progress = (double)c / (double) a;
 564                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 565                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 566                 else if (_normalize) progress += 2.0/3.0;
 567                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 568                 else progress += .5;
 569
 570                 pbar.set_fraction (progress);
 571         }
 572 }
 573
 574
 575 gint
 576 ExportVideoDialog::audio_progress_display ()
 577 {
 578         std::string status_text;
 579         double progress = -1.0;
 580         switch (status->active_job) {
 581                 case ExportStatus::Normalizing:
 582                         pbar.set_text (_("Normalizing audio"));
 583                         progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
 584                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0 / 3.0);
 585                         break;
 586                 case ExportStatus::Exporting:
 587                         pbar.set_text (_("Exporting audio"));
 588                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 589                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 590                         break;
 591                 default:
 592                         pbar.set_text (_("Exporting audio"));
 593                         break;
 594         }
 595
 596         if (progress < _previous_progress) {
 597                 // Work around gtk bug
 598                 pbar.hide();
 599                 pbar.show();
 600         }
 601         _previous_progress = progress;
 602
 603         if (progress >= 0) {
 604                 pbar.set_fraction (progress);
 605         } else {
 606                 pbar.set_pulse_step(.1);
 607                 pbar.pulse();
 608         }
 609         return TRUE;
 610 }
 611
 612 void
 613 ExportVideoDialog::finished ()
 614 {
 615         if (_aborted) {
 616                 ::g_unlink(outfn_path_entry.get_text().c_str());
 617                 ::g_unlink (_insnd.c_str());
 618                 delete _transcoder; _transcoder = 0;
 619                 Gtk::Dialog::response(RESPONSE_CANCEL);
 620         } else if (_twopass && _firstpass) {
 621                 _firstpass = false;
 622                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 623                 encode_pass(2);
 624         } else {
 625                 if (twopass_checkbox.get_active()) {
 626                         std::string outfn = outfn_path_entry.get_text();
 627                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 628                         ::g_unlink (p2log.c_str());
 629                 }
 630                 ::g_unlink (_insnd.c_str());
 631                 delete _transcoder; _transcoder = 0;
 632                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 633         }
 634 }
 635
 636 void
 637 ExportVideoDialog::launch_export ()
 638 {
 639         /* remember current settings.
 640          * needed because apply_state() acts on both:
 641          * "Videotimeline" and "Video Export" extra XML
 642          * as well as current _session settings
 643          */
 644         _session->add_extra_xml (get_state());
 645
 646         std::string outfn = outfn_path_entry.get_text();
 647         if (!confirm_video_outfn(*this, outfn)) { return; }
 648
 649         vbox->hide();
 650         cancel_button->hide();
 651         transcode_button.hide();
 652         pbar.set_size_request(300,-1);
 653         pbar.set_text(_("Exporting Audio..."));
 654         progress_box->show();
 655         _aborted = false;
 656         _twopass = twopass_checkbox.get_active();
 657         _firstpass = true;
 658         _normalize = normalize_checkbox.get_active();
 659
 660         /* export audio track */
 661         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 662         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 663         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 664         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 665         XMLTree tree;
 666         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 667         std::string vtl_normalize = _normalize ? "true" : "false";
 668         tree.read_buffer(std::string(
 669 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 670 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 671 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 672 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 673 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 674 "  <EncodingOptions>"
 675 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 676 "    <Option name=\"dithering\" value=\"D_None\"/>"
 677 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 678 "    <Option name=\"tag-support\" value=\"false\"/>"
 679 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 680 "  </EncodingOptions>"
 681 "  <Processing>"
 682 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 683 "    <Silence>"
 684 "      <Start>"
 685 "        <Trim enabled=\"false\"/>"
 686 "        <Add enabled=\"false\">"
 687 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 688 "        </Add>"
 689 "      </Start>"
 690 "      <End>"
 691 "        <Trim enabled=\"false\"/>"
 692 "        <Add enabled=\"false\">"
 693 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 694 "        </Add>"
 695 "      </End>"
 696 "    </Silence>"
 697 "  </Processing>"
 698 "</ExportFormatSpecification>"
 699 ));
 700         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 701
 702         /* set up range */
 703         framepos_t start, end;
 704         start = end = 0;
 705         if (insnd_combo.get_active_row_number() == 1) {
 706                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 707                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 708                         end = _transcoder->get_duration() * _session->nominal_frame_rate() / _transcoder->get_fps();
 709                 } else {
 710                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 711                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 712                 }
 713                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 714
 715                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 716 #if 0 /* DEBUG */
 717                 printf("audio-range -- AV offset: %lld\n", av_offset);
 718 #endif
 719                 if (av_offset > 0) {
 720                         start = av_offset;
 721                 }
 722                 end += av_offset;
 723         }
 724         else if (insnd_combo.get_active_row_number() == 2) {
 725                 start = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.start());
 726                 end   = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.end_frame());
 727         }
 728         if (end <= 0) {
 729                 start = _session->current_start_frame();
 730                 end   = _session->current_end_frame();
 731         }
 732 #if 0 /* DEBUG */
 733         printf("audio export-range %lld -> %lld\n", start, end);
 734 #endif
 735
 736         const frameoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 737         const frameoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 738
 739         if ( (start >= end) || (end < vstart) || (start > vend)) {
 740                 warning << _("Export Video: export-range does not include video.") << endmsg;
 741                 delete _transcoder; _transcoder = 0;
 742                 Gtk::Dialog::response(RESPONSE_CANCEL);
 743                 return;
 744         }
 745
 746         tsp->set_range (start, end);
 747         tsp->set_name ("mysession");
 748         tsp->set_range_id ("session");
 749
 750         /* add master outs as default */
 751         IO* master_out = _session->master_out()->output().get();
 752         if (!master_out) {
 753                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 754                 delete _transcoder; _transcoder = 0;
 755                 Gtk::Dialog::response(RESPONSE_CANCEL);
 756                 return;
 757         }
 758         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 759                 PortExportChannel * channel = new PortExportChannel ();
 760                 channel->add_port (master_out->audio (n));
 761                 ExportChannelPtr chan_ptr (channel);
 762                 ccp->register_channel (chan_ptr);
 763         }
 764
 765         /* outfile */
 766         fnp->set_timespan(tsp);
 767         fnp->set_label("vtl");
 768         fnp->include_label = true;
 769         _insnd = fnp->get_path(fmp);
 770
 771         /* do sound export */
 772         fmp->set_soundcloud_upload(false);
 773         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 774         _session->get_export_handler()->do_export();
 775         status = _session->get_export_status ();
 776
 777         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 778         _previous_progress = 0.0;
 779         while (status->running ()) {
 780                 if (_aborted) { status->abort(); }
 781                 if (gtk_events_pending()) {
 782                         gtk_main_iteration ();
 783                 } else {
 784                         Glib::usleep (10000);
 785                 }
 786         }
 787         audio_progress_connection.disconnect();
 788         status->finish ();
 789         if (status->aborted()) {
 790                 ::g_unlink (_insnd.c_str());
 791                 delete _transcoder; _transcoder = 0;
 792                 Gtk::Dialog::response(RESPONSE_CANCEL);
 793                 return;
 794         }
 795         pbar.set_text (_("Encoding Video..."));
 796         encode_pass(1);
 797 }
 798
 799 void
 800 ExportVideoDialog::encode_pass (int pass)
 801 {
 802         std::string outfn = outfn_path_entry.get_text();
 803         std::string invid = invid_path_entry.get_text();
 804
 805         _transcoder = new TranscodeFfmpeg(invid);
 806         if (!_transcoder->ffexec_ok()) {
 807                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 808                 ::g_unlink (_insnd.c_str());
 809                 delete _transcoder; _transcoder = 0;
 810                 Gtk::Dialog::response(RESPONSE_CANCEL);
 811                 return;
 812         }
 813         if (!_transcoder->probe_ok()) {
 814                 /* video input file can not be read */
 815                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 816                 ::g_unlink (_insnd.c_str());
 817                 delete _transcoder; _transcoder = 0;
 818                 Gtk::Dialog::response(RESPONSE_CANCEL);
 819                 return;
 820         }
 821
 822         std::string preset = preset_combo.get_active_text();
 823         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 824         ffs.clear();
 825
 826         if (fps_checkbox.get_active()) {
 827                 ffs["-r"] = fps_combo.get_active_text();
 828                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 829         }
 830
 831         if (scale_checkbox.get_active()) {
 832                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 833         }
 834
 835         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 836                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 837         }
 838         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 839                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 840         }
 841
 842         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 843                 ;
 844         }
 845         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 846                 ffs["-qscale"]  = "0";
 847         } else {
 848                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 849         }
 850
 851         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 852                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 853         }
 854
 855         if (audio_codec_combo.get_active_text() == "aac" ) {
 856                 ffs["-strict"] = "-2";
 857         }
 858
 859         if (video_codec_combo.get_active_text() == "h264" ) {
 860                 ffs["-vcodec"] = "libx264";
 861         }
 862         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 863                 ffs["-vcodec"] = "libvpx";
 864                 ffs["-g"] = "120";
 865                 ffs["-qmin"] = "11";
 866                 ffs["-qmax"] = "51";
 867         }
 868
 869         if (optimizations_checkbox.get_active()) {
 870           if (video_codec_combo.get_active_text() == "mpeg2video") {
 871                         ffs["-mbd"] = "rd";
 872                         ffs["-trellis"] = "2";
 873                         ffs["-cmp"] = "2";
 874                         ffs["-subcmp"] = "2";
 875                 }
 876                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 877                         ffs["-mbd"] = "rd";
 878                         ffs["-flags"] = "+mv4+aic";
 879                         ffs["-trellis"] = "2";
 880                         ffs["-cmp"] = "2";
 881                         ffs["-subcmp"] = "2";
 882                         ffs["-g"] = "300";
 883                 }
 884                 else if (video_codec_combo.get_active_text() == "flv") {
 885                         ffs["-mbd"] = "2";
 886                         ffs["-cmp"] = "2";
 887                         ffs["-subcmp"] = "2";
 888                         ffs["-trellis"] = "2";
 889                         ffs["-flags"] = "+aic+mv0+mv4";
 890                         ffs["-g"] = "160";
 891                 }
 892         }
 893
 894         if (bframes_checkbox.get_active() && (
 895                    video_codec_combo.get_active_text() == "mpeg2video"
 896                 || video_codec_combo.get_active_text() == "mpeg4"
 897                 )) {
 898                 ffs["-bf"] = "2";
 899         }
 900
 901         if (preset == "dvd-PAL") {
 902                 ffs.clear(); /* ignore all prev settings */
 903                 ffs["-target"] = "pal-dvd";
 904                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 905         }
 906         else if (preset == "dvd-NTSC") {
 907                 ffs.clear(); /* ignore all prev settings */
 908                 ffs["-target"] = "ntsc-dvd";
 909                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 910         }
 911
 912         if (aspect_checkbox.get_active()) {
 913                 ffs["-aspect"] = aspect_combo.get_active_text();
 914         }
 915         if (deinterlace_checkbox.get_active()) {
 916                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 917         }
 918
 919         bool map = true;
 920         if (pass == 1 && _twopass) {
 921                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 922                 map = false;
 923                 ffs["-pass"] = "1";
 924                 ffs["-an"] = "-y";
 925                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 926                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 927 #ifdef PLATFORM_WINDOWS
 928                 outfn = "NUL";
 929 #else
 930                 outfn = "/dev/null";
 931 #endif
 932         } else if (pass == 2) {
 933                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 934                 ffs["-pass"] = "2";
 935                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 936         }
 937
 938         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 939         double duration_s  = 0;
 940
 941         if (insnd_combo.get_active_row_number() == 0) {
 942                 /* session start to session end */
 943                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 944                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 945         } else if (insnd_combo.get_active_row_number() == 2) {
 946                 /* selected range */
 947                 duration_s = export_range.length() / (double)_session->nominal_frame_rate();
 948         } else {
 949                 /* video start to end */
 950                 framecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 951                 if (av_offset < 0 ) {
 952                         duration_f += av_offset;
 953                 }
 954                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 955         }
 956
 957         std::ostringstream osstream; osstream << duration_s;
 958         ffs["-t"] = osstream.str();
 959         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 960
 961         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 962                 framepos_t start, snend;
 963                 const frameoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 964                 if (insnd_combo.get_active_row_number() == 0) {
 965                         start = _session->current_start_frame();
 966                         snend = _session->current_end_frame();
 967                 } else {
 968                         start = export_range.start();
 969                         snend = export_range.end_frame();
 970                 }
 971
 972 #if 0 /* DEBUG */
 973                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 974                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 975 #endif
 976
 977                 if (av_offset > start && av_offset + vid_duration < snend) {
 978                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(),
 979                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 980                 } else if (av_offset > start) {
 981                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(), 0);
 982                 } else if (av_offset + vid_duration < snend) {
 983                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 984                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 985                 }
 986 #if 0
 987                 else if (start > av_offset) {
 988                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_frame_rate());
 989                         ffs["-ss"] = osstream.str();
 990                 }
 991 #endif
 992                 else {
 993                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 994                 }
 995
 996         } else if (av_offset < 0) {
 997                 /* from 00:00:00:00 to video-end */
 998                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 999         }
1000
1001         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
1002         if (meta_checkbox.get_active()) {
1003                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
1004                 if (session_data->year() > 0 ) {
1005                         std::ostringstream osstream; osstream << session_data->year();
1006                         meta["year"] = osstream.str();
1007                 }
1008                 if (session_data->track_number() > 0 ) {
1009                         std::ostringstream osstream; osstream << session_data->track_number();
1010                         meta["track"] = osstream.str();
1011                 }
1012                 if (session_data->disc_number() > 0 ) {
1013                         std::ostringstream osstream; osstream << session_data->disc_number();
1014                         meta["disc"] = osstream.str();
1015                 }
1016                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1017                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1018                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1019                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1020                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1021                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1022                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1023                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1024                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1025         }
1026
1027 #if 1 /* tentative debug mode */
1028         if (debug_checkbox.get_active()) {
1029                 _transcoder->set_debug(true);
1030         }
1031 #endif
1032
1033         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1034         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1035         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1036                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1037                 delete _transcoder; _transcoder = 0;
1038                 Gtk::Dialog::response(RESPONSE_CANCEL);
1039                 return;
1040         }
1041 }
1042
1043 void
1044 ExportVideoDialog::change_file_extension (std::string ext)
1045 {
1046         if (ext == "") return;
1047         outfn_path_entry.set_text (
1048                 strip_file_extension(outfn_path_entry.get_text()) + ext
1049         );
1050 }
1051
1052 void
1053 ExportVideoDialog::width_value_changed ()
1054 {
1055         if (_suspend_signals) {
1056                 return;
1057         }
1058         if (_session && !_suspend_dirty) _session->set_dirty ();
1059         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1060                 return;
1061         }
1062         if (_video_source_aspect_ratio <= 0) {
1063                 return;
1064         }
1065         _suspend_signals = true;
1066         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1067         _suspend_signals = false;
1068 }
1069
1070 void
1071 ExportVideoDialog::height_value_changed ()
1072 {
1073         if (_suspend_signals) {
1074                 return;
1075         }
1076         if (_session && !_suspend_dirty) _session->set_dirty ();
1077         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1078                 return;
1079         }
1080         if (_video_source_aspect_ratio <= 0) {
1081                 return;
1082         }
1083         _suspend_signals = true;
1084         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1085         _suspend_signals = false;
1086 }
1087
1088 void
1089 ExportVideoDialog::scale_checkbox_toggled ()
1090 {
1091         scale_aspect.set_sensitive(scale_checkbox.get_active());
1092         width_spinner.set_sensitive(scale_checkbox.get_active());
1093         height_spinner.set_sensitive(scale_checkbox.get_active());
1094         if (_session && !_suspend_dirty) _session->set_dirty ();
1095 }
1096
1097 void
1098 ExportVideoDialog::fps_checkbox_toggled ()
1099 {
1100         fps_combo.set_sensitive(fps_checkbox.get_active());
1101         if (_session && !_suspend_dirty) _session->set_dirty ();
1102 }
1103
1104 void
1105 ExportVideoDialog::aspect_checkbox_toggled ()
1106 {
1107         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1108         if (_session && !_suspend_dirty) _session->set_dirty ();
1109 }
1110
1111 void
1112 ExportVideoDialog::video_codec_combo_changed ()
1113 {
1114         if ((  video_codec_combo.get_active_text() == "mpeg4"
1115              ||video_codec_combo.get_active_text() == "mpeg2video"
1116                         ) && !(
1117                preset_combo.get_active_text() == "dvd-PAL"
1118              ||preset_combo.get_active_text() == "dvd-NTSC"
1119            )) {
1120                 bframes_checkbox.set_sensitive(true);
1121                 optimizations_checkbox.set_sensitive(true);
1122                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1123                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1124                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1125                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1126                 } else {
1127                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1128                 }
1129         } else {
1130                 bframes_checkbox.set_sensitive(false);
1131                 bframes_checkbox.set_active(false);
1132                 optimizations_checkbox.set_sensitive(false);
1133                 optimizations_checkbox.set_active(false);
1134                 optimizations_label.set_text("-");
1135         }
1136         if (_session && !_suspend_dirty) _session->set_dirty ();
1137 }
1138
1139 void
1140 ExportVideoDialog::preset_combo_changed ()
1141 {
1142         std::string p = preset_combo.get_active_text();
1143         scale_checkbox.set_sensitive(true);
1144
1145         if (p == "flv") {
1146                 change_file_extension(".flv");
1147                 audio_codec_combo.set_active(2);
1148                 video_codec_combo.set_active(1);
1149                 audio_bitrate_combo.set_active(2);
1150                 video_bitrate_combo.set_active(3);
1151                 audio_samplerate_combo.set_active(1);
1152         }
1153         else if (p == "you-tube") {
1154                 change_file_extension(".avi");
1155                 audio_codec_combo.set_active(3);
1156                 video_codec_combo.set_active(6);
1157                 audio_bitrate_combo.set_active(2);
1158                 video_bitrate_combo.set_active(4);
1159                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1160                         audio_samplerate_combo.set_active(2);
1161                 } else {
1162                         audio_samplerate_combo.set_active(1);
1163                 }
1164         }
1165         else if (p == "ogg") {
1166                 change_file_extension(".ogv");
1167                 audio_codec_combo.set_active(4);
1168                 video_codec_combo.set_active(2);
1169                 audio_bitrate_combo.set_active(3);
1170                 video_bitrate_combo.set_active(4);
1171                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1172                         audio_samplerate_combo.set_active(2);
1173                 } else {
1174                         audio_samplerate_combo.set_active(1);
1175                 }
1176         }
1177         else if (p == "webm") {
1178                 change_file_extension(".webm");
1179                 audio_codec_combo.set_active(4);
1180                 video_codec_combo.set_active(7);
1181                 audio_bitrate_combo.set_active(3);
1182                 video_bitrate_combo.set_active(4);
1183                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1184                         audio_samplerate_combo.set_active(2);
1185                 } else {
1186                         audio_samplerate_combo.set_active(1);
1187                 }
1188         }
1189         else if (p == "dvd-mp2") {
1190                 change_file_extension(".mpg");
1191                 audio_codec_combo.set_active(5);
1192                 video_codec_combo.set_active(4);
1193                 audio_bitrate_combo.set_active(4);
1194                 video_bitrate_combo.set_active(5);
1195                 audio_samplerate_combo.set_active(2);
1196         }
1197         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1198                 change_file_extension(".mpg");
1199                 audio_codec_combo.set_active(6);
1200                 video_codec_combo.set_active(4);
1201                 audio_bitrate_combo.set_active(4);
1202                 video_bitrate_combo.set_active(5);
1203                 audio_samplerate_combo.set_active(2);
1204
1205                 scale_checkbox.set_active(false);
1206                 scale_checkbox.set_sensitive(false);
1207         }
1208         else if (p == "mpeg4") {
1209                 change_file_extension(".mp4");
1210                 audio_codec_combo.set_active(1);
1211                 video_codec_combo.set_active(5);
1212                 audio_bitrate_combo.set_active(4);
1213                 video_bitrate_combo.set_active(5);
1214                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1215                         audio_samplerate_combo.set_active(2);
1216                 } else {
1217                         audio_samplerate_combo.set_active(1);
1218                 }
1219         }
1220         else if (p == "mp4/h264/aac") {
1221                 change_file_extension(".mp4");
1222                 audio_codec_combo.set_active(2);
1223                 video_codec_combo.set_active(6);
1224                 audio_bitrate_combo.set_active(0);
1225                 video_bitrate_combo.set_active(0);
1226                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1227                         audio_samplerate_combo.set_active(2);
1228                 } else {
1229                         audio_samplerate_combo.set_active(1);
1230                 }
1231         }
1232
1233         if (p == "none") {
1234                 audio_codec_combo.set_sensitive(true);
1235                 video_codec_combo.set_sensitive(true);
1236                 audio_bitrate_combo.set_sensitive(true);
1237                 video_bitrate_combo.set_sensitive(true);
1238                 audio_samplerate_combo.set_sensitive(true);
1239         } else {
1240                 audio_codec_combo.set_sensitive(false);
1241                 video_codec_combo.set_sensitive(false);
1242                 audio_bitrate_combo.set_sensitive(false);
1243                 video_bitrate_combo.set_sensitive(false);
1244                 audio_samplerate_combo.set_sensitive(false);
1245         }
1246
1247         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1248         Gtk::Table_Helpers::TableList c = t->children();
1249         Gtk::Table_Helpers::TableList::iterator it;
1250         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1251                 for (it = c.begin(); it != c.end(); ++it) {
1252                         int row = it->get_top_attach();
1253                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1254                                 it->get_widget()->hide();
1255                         }
1256                 }
1257         } else {
1258                 for (it = c.begin(); it != c.end(); ++it) {
1259                         int row = it->get_top_attach();
1260                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1261                                 it->get_widget()->show();
1262                         }
1263                 }
1264         }
1265
1266         video_codec_combo_changed();
1267 }
1268
1269 void
1270 ExportVideoDialog::open_outfn_dialog ()
1271 {
1272         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1273         dialog.set_filename (outfn_path_entry.get_text());
1274
1275         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1276         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1277
1278         int result = dialog.run();
1279
1280         if (result == Gtk::RESPONSE_OK) {
1281                 std::string filename = dialog.get_filename();
1282
1283                 if (filename.length()) {
1284                         outfn_path_entry.set_text (filename);
1285                 }
1286         }
1287 }
1288
1289 void
1290 ExportVideoDialog::open_invid_dialog ()
1291 {
1292         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1293         dialog.set_filename (invid_path_entry.get_text());
1294
1295         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1296         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1297
1298         int result = dialog.run();
1299
1300         if (result == Gtk::RESPONSE_OK) {
1301                 std::string filename = dialog.get_filename();
1302
1303                 if (filename.length()) {
1304                         invid_path_entry.set_text (filename);
1305                 }
1306         }
1307 }