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         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 370         bool filenameset = false;
 371         if (node) {
 372                 std::string filename;
 373                 if (node->get_property(X_("OriginalVideoFile"), filename)) {
 374                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS)) {
 375                                 invid_path_entry.set_text (filename);
 376                                 filenameset = true;
 377                         }
 378                 }
 379
 380                 bool local_file;
 381
 382                 if (!filenameset && node->get_property (X_("Filename"), filename) &&
 383                     node->get_property (X_("LocalFile"), local_file) && local_file) {
 384                         if (filename.at(0) != G_DIR_SEPARATOR)
 385                         {
 386                                 filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 387                         }
 388                         if (Glib::file_test(filename, Glib::FILE_TEST_EXISTS))
 389                         {
 390                                 invid_path_entry.set_text (filename);
 391                                 filenameset = true;
 392                         }
 393                 }
 394         }
 395         if (!filenameset) {
 396                 invid_path_entry.set_text (X_(""));
 397         }
 398
 399         node = _session->extra_xml (X_("Videoexport"));
 400         if (node) {
 401                 bool yn;
 402                 if (node->get_property (X_("ChangeGeometry"), yn)) {
 403                         scale_checkbox.set_active (yn);
 404                 }
 405                 if (node->get_property (X_("KeepAspect"), yn)) {
 406                         scale_aspect.set_active (yn);
 407                 }
 408                 if (node->get_property (X_("ChangeAspect"), yn)) {
 409                         aspect_checkbox.set_active (yn);
 410                 }
 411                 if (node->get_property (X_("NormalizeAudio"), yn)) {
 412                         normalize_checkbox.set_active (yn);
 413                 }
 414                 if (node->get_property (X_("TwoPassEncode"), yn)) {
 415                         twopass_checkbox.set_active (yn);
 416                 }
 417                 if (node->get_property (X_("CodecOptimzations"), yn)) {
 418                         optimizations_checkbox.set_active (yn);
 419                 }
 420                 if (node->get_property (X_("Deinterlace"), yn)) {
 421                         deinterlace_checkbox.set_active (yn);
 422                 }
 423                 if (node->get_property (X_("BFrames"), yn)) {
 424                         bframes_checkbox.set_active (yn);
 425                 }
 426                 if (node->get_property (X_("ChangeFPS"), yn)) {
 427                         fps_checkbox.set_active (yn);
 428                 }
 429                 if (node->get_property (X_("Metadata"), yn)) {
 430                         meta_checkbox.set_active (yn);
 431                 }
 432
 433                 std::string str;
 434                 if (node->get_property (X_("Format"), str) && !str.empty()) {
 435                         change_file_extension ("." + str);
 436                 }
 437
 438                 _suspend_signals = true;
 439                 double val;
 440                 if (node->get_property (X_("Width"), val)) {
 441                         width_spinner.set_value (val);
 442                 }
 443                 if (node->get_property (X_("Height"), val)) {
 444                         height_spinner.set_value (val);
 445                 }
 446                 _suspend_signals = false;
 447
 448                 if (fps_checkbox.get_active () && node->get_property (X_("FPS"), val)) {
 449                         tcfps = val;
 450                 }
 451
 452                 if (node->get_property (X_("Preset"), str)) {
 453                         preset_combo.set_active_text (str);
 454                 }
 455                 if (node->get_property (X_("VCodec"), str)) {
 456                         video_codec_combo.set_active_text (str);
 457                 }
 458                 if (node->get_property (X_("ACodec"), str)) {
 459                         audio_codec_combo.set_active_text (str);
 460                 }
 461                 if (node->get_property (X_("VBitrate"), str)) {
 462                         video_bitrate_combo.set_active_text (str);
 463                 }
 464                 if (node->get_property (X_("ABitrate"), str)) {
 465                         audio_bitrate_combo.set_active_text (str);
 466                 }
 467                 if (node->get_property (X_("AspectRatio"), str)) {
 468                         aspect_combo.set_active_text (str);
 469                 }
 470                 if (node->get_property (X_("SampleRate"), str)) {
 471                         audio_samplerate_combo.set_active_text (str);
 472                 }
 473         }
 474
 475         if      (fabs(tcfps - 23.976) < 0.01) { fps_combo.set_active(0); }
 476         else if (fabs(tcfps - 24.0  ) < 0.01) { fps_combo.set_active(1); }
 477         else if (fabs(tcfps - 24.976) < 0.01) { fps_combo.set_active(2); }
 478         else if (fabs(tcfps - 25.0  ) < 0.01) { fps_combo.set_active(3); }
 479         else if (fabs(tcfps - 29.97 ) < 0.01) { fps_combo.set_active(4); }
 480         else if (fabs(tcfps - 30.0  ) < 0.01) { fps_combo.set_active(5); }
 481         else if (fabs(tcfps - 59.94 ) < 0.01) { fps_combo.set_active(6); }
 482         else if (fabs(tcfps - 60.0  ) < 0.01) { fps_combo.set_active(7); }
 483         else { fps_combo.set_active(5); }
 484
 485         set_original_file_information();
 486
 487         /* update sensitivity */
 488         scale_checkbox_toggled();
 489         aspect_checkbox_toggled();
 490         fps_checkbox_toggled();
 491         video_codec_combo_changed();
 492
 493         _suspend_dirty = false;
 494
 495         show_all_children ();
 496         if (progress_box) {
 497                 progress_box->hide();
 498         }
 499 }
 500
 501 XMLNode&
 502 ExportVideoDialog::get_state ()
 503 {
 504         XMLNode* node = new XMLNode (X_("Videoexport"));
 505         node->set_property (X_("ChangeGeometry"), scale_checkbox.get_active());
 506         node->set_property (X_("KeepAspect"), scale_aspect.get_active());
 507         node->set_property (X_("ChangeAspect"), aspect_checkbox.get_active());
 508         node->set_property (X_("NormalizeAudio"), normalize_checkbox.get_active());
 509         node->set_property (X_("TwoPassEncode"), twopass_checkbox.get_active());
 510         node->set_property (X_("CodecOptimzations"), optimizations_checkbox.get_active());
 511         node->set_property (X_("Deinterlace"), deinterlace_checkbox.get_active());
 512         node->set_property (X_("BFrames"), bframes_checkbox.get_active());
 513         node->set_property (X_("ChangeFPS"), fps_checkbox.get_active());
 514         node->set_property (X_("Metadata"), meta_checkbox.get_active());
 515
 516         node->set_property (X_("Format"), get_file_extension(outfn_path_entry.get_text()));
 517
 518         node->set_property (X_("Width"), width_spinner.get_value());
 519         node->set_property (X_("Height"), height_spinner.get_value());
 520
 521         node->set_property (X_("Preset"), preset_combo.get_active_text());
 522         node->set_property (X_("VCodec"), video_codec_combo.get_active_text());
 523         node->set_property (X_("ACodec"), audio_codec_combo.get_active_text());
 524         node->set_property (X_("VBitrate"), video_bitrate_combo.get_active_text());
 525         node->set_property (X_("ABitrate"), audio_bitrate_combo.get_active_text());
 526         node->set_property (X_("AspectRatio"), aspect_combo.get_active_text());
 527         node->set_property (X_("SampleRate"), audio_samplerate_combo.get_active_text());
 528         node->set_property (X_("FPS"), fps_combo.get_active_text());
 529
 530         return *node;
 531 }
 532
 533 void
 534 ExportVideoDialog::set_state (const XMLNode &)
 535 {
 536 }
 537
 538 void
 539 ExportVideoDialog::on_show ()
 540 {
 541         Dialog::on_show ();
 542 }
 543
 544 void
 545 ExportVideoDialog::abort_clicked ()
 546 {
 547         _aborted = true;
 548         if (_transcoder) {
 549                 _transcoder->cancel();
 550         }
 551 }
 552
 553 void
 554 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 555 {
 556         if (a == 0 || c > a) {
 557                 pbar.set_pulse_step(.1);
 558                 pbar.pulse();
 559         } else {
 560                 double progress = (double)c / (double) a;
 561                 progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 562                 if (_normalize && _twopass) progress += (_firstpass ? .5 : .75);
 563                 else if (_normalize) progress += 2.0/3.0;
 564                 else if (_twopass) progress += (_firstpass ? 1.0/3.0 : 2.0/3.0);
 565                 else progress += .5;
 566
 567                 pbar.set_fraction (progress);
 568         }
 569 }
 570
 571
 572 gint
 573 ExportVideoDialog::audio_progress_display ()
 574 {
 575         std::string status_text;
 576         double progress = -1.0;
 577         switch (status->active_job) {
 578                 case ExportStatus::Normalizing:
 579                         pbar.set_text (_("Normalizing audio"));
 580                         progress = ((float) status->current_postprocessing_cycle) / status->total_postprocessing_cycles;
 581                         progress = progress / (_twopass ? 4.0 : 3.0) + (_twopass ? .25 : 1.0 / 3.0);
 582                         break;
 583                 case ExportStatus::Exporting:
 584                         pbar.set_text (_("Exporting audio"));
 585                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 586                         progress = progress / ((_twopass ? 2.0 : 1.0) + (_normalize ? 2.0 : 1.0));
 587                         break;
 588                 default:
 589                         pbar.set_text (_("Exporting audio"));
 590                         break;
 591         }
 592
 593         if (progress < _previous_progress) {
 594                 // Work around gtk bug
 595                 pbar.hide();
 596                 pbar.show();
 597         }
 598         _previous_progress = progress;
 599
 600         if (progress >= 0) {
 601                 pbar.set_fraction (progress);
 602         } else {
 603                 pbar.set_pulse_step(.1);
 604                 pbar.pulse();
 605         }
 606         return TRUE;
 607 }
 608
 609 void
 610 ExportVideoDialog::finished ()
 611 {
 612         if (_aborted) {
 613                 ::g_unlink(outfn_path_entry.get_text().c_str());
 614                 ::g_unlink (_insnd.c_str());
 615                 delete _transcoder; _transcoder = 0;
 616                 Gtk::Dialog::response(RESPONSE_CANCEL);
 617         } else if (_twopass && _firstpass) {
 618                 _firstpass = false;
 619                 if (_transcoder) { delete _transcoder; _transcoder = 0;}
 620                 encode_pass(2);
 621         } else {
 622                 if (twopass_checkbox.get_active()) {
 623                         std::string outfn = outfn_path_entry.get_text();
 624                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 625                         ::g_unlink (p2log.c_str());
 626                 }
 627                 ::g_unlink (_insnd.c_str());
 628                 delete _transcoder; _transcoder = 0;
 629                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 630         }
 631 }
 632
 633 void
 634 ExportVideoDialog::launch_export ()
 635 {
 636         /* remember current settings.
 637          * needed because apply_state() acts on both:
 638          * "Videotimeline" and "Video Export" extra XML
 639          * as well as current _session settings
 640          */
 641         _session->add_extra_xml (get_state());
 642
 643         std::string outfn = outfn_path_entry.get_text();
 644         if (!confirm_video_outfn(*this, outfn)) { return; }
 645
 646         vbox->hide();
 647         cancel_button->hide();
 648         transcode_button.hide();
 649         pbar.set_size_request(300,-1);
 650         pbar.set_text(_("Exporting Audio..."));
 651         progress_box->show();
 652         _aborted = false;
 653         _twopass = twopass_checkbox.get_active();
 654         _firstpass = true;
 655         _normalize = normalize_checkbox.get_active();
 656
 657         /* export audio track */
 658         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 659         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 660         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 661         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 662         XMLTree tree;
 663         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 664         std::string vtl_normalize = _normalize ? "true" : "false";
 665         tree.read_buffer(std::string(
 666 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 667 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 668 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 669 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 670 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 671 "  <EncodingOptions>"
 672 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 673 "    <Option name=\"dithering\" value=\"D_None\"/>"
 674 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 675 "    <Option name=\"tag-support\" value=\"false\"/>"
 676 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 677 "  </EncodingOptions>"
 678 "  <Processing>"
 679 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 680 "    <Silence>"
 681 "      <Start>"
 682 "        <Trim enabled=\"false\"/>"
 683 "        <Add enabled=\"false\">"
 684 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 685 "        </Add>"
 686 "      </Start>"
 687 "      <End>"
 688 "        <Trim enabled=\"false\"/>"
 689 "        <Add enabled=\"false\">"
 690 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 691 "        </Add>"
 692 "      </End>"
 693 "    </Silence>"
 694 "  </Processing>"
 695 "</ExportFormatSpecification>"
 696 ));
 697         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 698
 699         /* set up range */
 700         framepos_t start, end;
 701         start = end = 0;
 702         if (insnd_combo.get_active_row_number() == 1) {
 703                 _transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 704                 if (_transcoder->probe_ok() && _transcoder->get_fps() > 0) {
 705                         end = _transcoder->get_duration() * _session->nominal_frame_rate() / _transcoder->get_fps();
 706                 } else {
 707                         warning << _("Export Video: Cannot query duration of video-file, using duration from timeline instead.") << endmsg;
 708                         end = ARDOUR_UI::instance()->video_timeline->get_duration();
 709                 }
 710                 if (_transcoder) {delete _transcoder; _transcoder = 0;}
 711
 712                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 713 #if 0 /* DEBUG */
 714                 printf("audio-range -- AV offset: %lld\n", av_offset);
 715 #endif
 716                 if (av_offset > 0) {
 717                         start = av_offset;
 718                 }
 719                 end += av_offset;
 720         }
 721         else if (insnd_combo.get_active_row_number() == 2) {
 722                 start = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.start());
 723                 end   = ARDOUR_UI::instance()->video_timeline->quantify_frames_to_apv(export_range.end_frame());
 724         }
 725         if (end <= 0) {
 726                 start = _session->current_start_frame();
 727                 end   = _session->current_end_frame();
 728         }
 729 #if 0 /* DEBUG */
 730         printf("audio export-range %lld -> %lld\n", start, end);
 731 #endif
 732
 733         const frameoffset_t vstart = ARDOUR_UI::instance()->video_timeline->get_offset();
 734         const frameoffset_t vend   = vstart + ARDOUR_UI::instance()->video_timeline->get_duration();
 735
 736         if ( (start >= end) || (end < vstart) || (start > vend)) {
 737                 warning << _("Export Video: export-range does not include video.") << endmsg;
 738                 delete _transcoder; _transcoder = 0;
 739                 Gtk::Dialog::response(RESPONSE_CANCEL);
 740                 return;
 741         }
 742
 743         tsp->set_range (start, end);
 744         tsp->set_name ("mysession");
 745         tsp->set_range_id ("session");
 746
 747         /* add master outs as default */
 748         IO* master_out = _session->master_out()->output().get();
 749         if (!master_out) {
 750                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 751                 delete _transcoder; _transcoder = 0;
 752                 Gtk::Dialog::response(RESPONSE_CANCEL);
 753                 return;
 754         }
 755         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 756                 PortExportChannel * channel = new PortExportChannel ();
 757                 channel->add_port (master_out->audio (n));
 758                 ExportChannelPtr chan_ptr (channel);
 759                 ccp->register_channel (chan_ptr);
 760         }
 761
 762         /* outfile */
 763         fnp->set_timespan(tsp);
 764         fnp->set_label("vtl");
 765         fnp->include_label = true;
 766         _insnd = fnp->get_path(fmp);
 767
 768         /* do sound export */
 769         fmp->set_soundcloud_upload(false);
 770         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 771         _session->get_export_handler()->do_export();
 772         status = _session->get_export_status ();
 773
 774         audio_progress_connection = Glib::signal_timeout().connect (sigc::mem_fun(*this, &ExportVideoDialog::audio_progress_display), 100);
 775         _previous_progress = 0.0;
 776         while (status->running ()) {
 777                 if (_aborted) { status->abort(); }
 778                 if (gtk_events_pending()) {
 779                         gtk_main_iteration ();
 780                 } else {
 781                         Glib::usleep (10000);
 782                 }
 783         }
 784         audio_progress_connection.disconnect();
 785         status->finish ();
 786         if (status->aborted()) {
 787                 ::g_unlink (_insnd.c_str());
 788                 delete _transcoder; _transcoder = 0;
 789                 Gtk::Dialog::response(RESPONSE_CANCEL);
 790                 return;
 791         }
 792         pbar.set_text (_("Encoding Video..."));
 793         encode_pass(1);
 794 }
 795
 796 void
 797 ExportVideoDialog::encode_pass (int pass)
 798 {
 799         std::string outfn = outfn_path_entry.get_text();
 800         std::string invid = invid_path_entry.get_text();
 801
 802         _transcoder = new TranscodeFfmpeg(invid);
 803         if (!_transcoder->ffexec_ok()) {
 804                 /* ffmpeg binary was not found. TranscodeFfmpeg prints a warning */
 805                 ::g_unlink (_insnd.c_str());
 806                 delete _transcoder; _transcoder = 0;
 807                 Gtk::Dialog::response(RESPONSE_CANCEL);
 808                 return;
 809         }
 810         if (!_transcoder->probe_ok()) {
 811                 /* video input file can not be read */
 812                 warning << _("Export Video: Video input file cannot be read.") << endmsg;
 813                 ::g_unlink (_insnd.c_str());
 814                 delete _transcoder; _transcoder = 0;
 815                 Gtk::Dialog::response(RESPONSE_CANCEL);
 816                 return;
 817         }
 818
 819         std::string preset = preset_combo.get_active_text();
 820         TranscodeFfmpeg::FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 821         ffs.clear();
 822
 823         if (fps_checkbox.get_active()) {
 824                 ffs["-r"] = fps_combo.get_active_text();
 825                 _transcoder->set_fps(atof(fps_combo.get_active_text()));
 826         }
 827
 828         if (scale_checkbox.get_active()) {
 829                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 830         }
 831
 832         if (video_codec_combo.get_active_text() != _("(default for format)")) {
 833                 ffs["-vcodec"] = video_codec_combo.get_active_text();
 834         }
 835         if (audio_codec_combo.get_active_text() != _("(default for format)")) {
 836                 ffs["-acodec"] = audio_codec_combo.get_active_text();
 837         }
 838
 839         if (video_bitrate_combo.get_active_text() == _("(default)") ) {
 840                 ;
 841         }
 842         else if (video_bitrate_combo.get_active_text() == _("(retain)") ) {
 843                 ffs["-qscale"]  = "0";
 844         } else {
 845                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 846         }
 847
 848         if (audio_bitrate_combo.get_active_text() != _("(default)") ) {
 849                 ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 850         }
 851
 852         if (audio_codec_combo.get_active_text() == "aac" ) {
 853                 ffs["-strict"] = "-2";
 854         }
 855
 856         if (video_codec_combo.get_active_text() == "h264" ) {
 857                 ffs["-vcodec"] = "libx264";
 858         }
 859         else if (video_codec_combo.get_active_text() == "vpx (webm)" ) {
 860                 ffs["-vcodec"] = "libvpx";
 861                 ffs["-g"] = "120";
 862                 ffs["-qmin"] = "11";
 863                 ffs["-qmax"] = "51";
 864         }
 865
 866         if (optimizations_checkbox.get_active()) {
 867           if (video_codec_combo.get_active_text() == "mpeg2video") {
 868                         ffs["-mbd"] = "rd";
 869                         ffs["-trellis"] = "2";
 870                         ffs["-cmp"] = "2";
 871                         ffs["-subcmp"] = "2";
 872                 }
 873                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 874                         ffs["-mbd"] = "rd";
 875                         ffs["-flags"] = "+mv4+aic";
 876                         ffs["-trellis"] = "2";
 877                         ffs["-cmp"] = "2";
 878                         ffs["-subcmp"] = "2";
 879                         ffs["-g"] = "300";
 880                 }
 881                 else if (video_codec_combo.get_active_text() == "flv") {
 882                         ffs["-mbd"] = "2";
 883                         ffs["-cmp"] = "2";
 884                         ffs["-subcmp"] = "2";
 885                         ffs["-trellis"] = "2";
 886                         ffs["-flags"] = "+aic+mv0+mv4";
 887                         ffs["-g"] = "160";
 888                 }
 889         }
 890
 891         if (bframes_checkbox.get_active() && (
 892                    video_codec_combo.get_active_text() == "mpeg2video"
 893                 || video_codec_combo.get_active_text() == "mpeg4"
 894                 )) {
 895                 ffs["-bf"] = "2";
 896         }
 897
 898         if (preset == "dvd-PAL") {
 899                 ffs.clear(); /* ignore all prev settings */
 900                 ffs["-target"] = "pal-dvd";
 901                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 902         }
 903         else if (preset == "dvd-NTSC") {
 904                 ffs.clear(); /* ignore all prev settings */
 905                 ffs["-target"] = "ntsc-dvd";
 906                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 907         }
 908
 909         if (aspect_checkbox.get_active()) {
 910                 ffs["-aspect"] = aspect_combo.get_active_text();
 911         }
 912         if (deinterlace_checkbox.get_active()) {
 913                 ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 914         }
 915
 916         bool map = true;
 917         if (pass == 1 && _twopass) {
 918                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 919                 map = false;
 920                 ffs["-pass"] = "1";
 921                 ffs["-an"] = "-y";
 922                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 923                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 924 #ifdef PLATFORM_WINDOWS
 925                 outfn = "NUL";
 926 #else
 927                 outfn = "/dev/null";
 928 #endif
 929         } else if (pass == 2) {
 930                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 931                 ffs["-pass"] = "2";
 932                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 933         }
 934
 935         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 936         double duration_s  = 0;
 937
 938         if (insnd_combo.get_active_row_number() == 0) {
 939                 /* session start to session end */
 940                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 941                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 942         } else if (insnd_combo.get_active_row_number() == 2) {
 943                 /* selected range */
 944                 duration_s = export_range.length() / (double)_session->nominal_frame_rate();
 945         } else {
 946                 /* video start to end */
 947                 framecnt_t duration_f = ARDOUR_UI::instance()->video_timeline->get_duration();
 948                 if (av_offset < 0 ) {
 949                         duration_f += av_offset;
 950                 }
 951                 duration_s = (double)duration_f / (double)_session->nominal_frame_rate();
 952         }
 953
 954         std::ostringstream osstream; osstream << duration_s;
 955         ffs["-t"] = osstream.str();
 956         _transcoder->set_duration(duration_s * _transcoder->get_fps());
 957
 958         if (insnd_combo.get_active_row_number() == 0 || insnd_combo.get_active_row_number() == 2) {
 959                 framepos_t start, snend;
 960                 const frameoffset_t vid_duration = ARDOUR_UI::instance()->video_timeline->get_duration();
 961                 if (insnd_combo.get_active_row_number() == 0) {
 962                         start = _session->current_start_frame();
 963                         snend = _session->current_end_frame();
 964                 } else {
 965                         start = export_range.start();
 966                         snend = export_range.end_frame();
 967                 }
 968
 969 #if 0 /* DEBUG */
 970                 printf("AV offset: %lld Vid-len: %lld Vid-end: %lld || start:%lld || end:%lld\n",
 971                                 av_offset, vid_duration, av_offset+vid_duration, start, snend); // XXX
 972 #endif
 973
 974                 if (av_offset > start && av_offset + vid_duration < snend) {
 975                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(),
 976                                 (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 977                 } else if (av_offset > start) {
 978                         _transcoder->set_leadinout((av_offset - start) / (double)_session->nominal_frame_rate(), 0);
 979                 } else if (av_offset + vid_duration < snend) {
 980                         _transcoder->set_leadinout(0, (snend - (av_offset + vid_duration)) / (double)_session->nominal_frame_rate());
 981                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 982                 }
 983 #if 0
 984                 else if (start > av_offset) {
 985                         std::ostringstream osstream; osstream << ((start - av_offset) / (double)_session->nominal_frame_rate());
 986                         ffs["-ss"] = osstream.str();
 987                 }
 988 #endif
 989                 else {
 990                         _transcoder->set_avoffset((av_offset - start) / (double)_session->nominal_frame_rate());
 991                 }
 992
 993         } else if (av_offset < 0) {
 994                 /* from 00:00:00:00 to video-end */
 995                 _transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 996         }
 997
 998         TranscodeFfmpeg::FFSettings meta = _transcoder->default_meta_data();
 999         if (meta_checkbox.get_active()) {
1000                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
1001                 if (session_data->year() > 0 ) {
1002                         std::ostringstream osstream; osstream << session_data->year();
1003                         meta["year"] = osstream.str();
1004                 }
1005                 if (session_data->track_number() > 0 ) {
1006                         std::ostringstream osstream; osstream << session_data->track_number();
1007                         meta["track"] = osstream.str();
1008                 }
1009                 if (session_data->disc_number() > 0 ) {
1010                         std::ostringstream osstream; osstream << session_data->disc_number();
1011                         meta["disc"] = osstream.str();
1012                 }
1013                 if (!session_data->title().empty())     {meta["title"] = session_data->title();}
1014                 if (!session_data->artist().empty())    {meta["author"] = session_data->artist();}
1015                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
1016                 if (!session_data->album().empty())     {meta["album"] = session_data->album();}
1017                 if (!session_data->genre().empty())     {meta["genre"] = session_data->genre();}
1018                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
1019                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
1020                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
1021                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
1022         }
1023
1024 #if 1 /* tentative debug mode */
1025         if (debug_checkbox.get_active()) {
1026                 _transcoder->set_debug(true);
1027         }
1028 #endif
1029
1030         _transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
1031         _transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
1032         if (!_transcoder->encode(outfn, _insnd, invid, ffs, meta, map)) {
1033                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
1034                 delete _transcoder; _transcoder = 0;
1035                 Gtk::Dialog::response(RESPONSE_CANCEL);
1036                 return;
1037         }
1038 }
1039
1040 void
1041 ExportVideoDialog::change_file_extension (std::string ext)
1042 {
1043         if (ext == "") return;
1044         outfn_path_entry.set_text (
1045                 strip_file_extension(outfn_path_entry.get_text()) + ext
1046         );
1047 }
1048
1049 void
1050 ExportVideoDialog::width_value_changed ()
1051 {
1052         if (_suspend_signals) {
1053                 return;
1054         }
1055         if (_session && !_suspend_dirty) _session->set_dirty ();
1056         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1057                 return;
1058         }
1059         if (_video_source_aspect_ratio <= 0) {
1060                 return;
1061         }
1062         _suspend_signals = true;
1063         height_spinner.set_value(rintf(width_spinner.get_value() / _video_source_aspect_ratio));
1064         _suspend_signals = false;
1065 }
1066
1067 void
1068 ExportVideoDialog::height_value_changed ()
1069 {
1070         if (_suspend_signals) {
1071                 return;
1072         }
1073         if (_session && !_suspend_dirty) _session->set_dirty ();
1074         if (!scale_checkbox.get_active() || !scale_aspect.get_active()) {
1075                 return;
1076         }
1077         if (_video_source_aspect_ratio <= 0) {
1078                 return;
1079         }
1080         _suspend_signals = true;
1081         width_spinner.set_value(rintf(height_spinner.get_value() * _video_source_aspect_ratio));
1082         _suspend_signals = false;
1083 }
1084
1085 void
1086 ExportVideoDialog::scale_checkbox_toggled ()
1087 {
1088         scale_aspect.set_sensitive(scale_checkbox.get_active());
1089         width_spinner.set_sensitive(scale_checkbox.get_active());
1090         height_spinner.set_sensitive(scale_checkbox.get_active());
1091         if (_session && !_suspend_dirty) _session->set_dirty ();
1092 }
1093
1094 void
1095 ExportVideoDialog::fps_checkbox_toggled ()
1096 {
1097         fps_combo.set_sensitive(fps_checkbox.get_active());
1098         if (_session && !_suspend_dirty) _session->set_dirty ();
1099 }
1100
1101 void
1102 ExportVideoDialog::aspect_checkbox_toggled ()
1103 {
1104         aspect_combo.set_sensitive(aspect_checkbox.get_active());
1105         if (_session && !_suspend_dirty) _session->set_dirty ();
1106 }
1107
1108 void
1109 ExportVideoDialog::video_codec_combo_changed ()
1110 {
1111         if ((  video_codec_combo.get_active_text() == "mpeg4"
1112              ||video_codec_combo.get_active_text() == "mpeg2video"
1113                         ) && !(
1114                preset_combo.get_active_text() == "dvd-PAL"
1115              ||preset_combo.get_active_text() == "dvd-NTSC"
1116            )) {
1117                 bframes_checkbox.set_sensitive(true);
1118                 optimizations_checkbox.set_sensitive(true);
1119                 if (video_codec_combo.get_active_text() == "mpeg2video") {
1120                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
1121                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
1122                         optimizations_label.set_text("-mbd rd -flags +mv4+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
1123                 } else {
1124                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
1125                 }
1126         } else {
1127                 bframes_checkbox.set_sensitive(false);
1128                 bframes_checkbox.set_active(false);
1129                 optimizations_checkbox.set_sensitive(false);
1130                 optimizations_checkbox.set_active(false);
1131                 optimizations_label.set_text("-");
1132         }
1133         if (_session && !_suspend_dirty) _session->set_dirty ();
1134 }
1135
1136 void
1137 ExportVideoDialog::preset_combo_changed ()
1138 {
1139         std::string p = preset_combo.get_active_text();
1140         scale_checkbox.set_sensitive(true);
1141
1142         if (p == "flv") {
1143                 change_file_extension(".flv");
1144                 audio_codec_combo.set_active(2);
1145                 video_codec_combo.set_active(1);
1146                 audio_bitrate_combo.set_active(2);
1147                 video_bitrate_combo.set_active(3);
1148                 audio_samplerate_combo.set_active(1);
1149         }
1150         else if (p == "you-tube") {
1151                 change_file_extension(".avi");
1152                 audio_codec_combo.set_active(3);
1153                 video_codec_combo.set_active(6);
1154                 audio_bitrate_combo.set_active(2);
1155                 video_bitrate_combo.set_active(4);
1156                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1157                         audio_samplerate_combo.set_active(2);
1158                 } else {
1159                         audio_samplerate_combo.set_active(1);
1160                 }
1161         }
1162         else if (p == "ogg") {
1163                 change_file_extension(".ogv");
1164                 audio_codec_combo.set_active(4);
1165                 video_codec_combo.set_active(2);
1166                 audio_bitrate_combo.set_active(3);
1167                 video_bitrate_combo.set_active(4);
1168                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1169                         audio_samplerate_combo.set_active(2);
1170                 } else {
1171                         audio_samplerate_combo.set_active(1);
1172                 }
1173         }
1174         else if (p == "webm") {
1175                 change_file_extension(".webm");
1176                 audio_codec_combo.set_active(4);
1177                 video_codec_combo.set_active(7);
1178                 audio_bitrate_combo.set_active(3);
1179                 video_bitrate_combo.set_active(4);
1180                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1181                         audio_samplerate_combo.set_active(2);
1182                 } else {
1183                         audio_samplerate_combo.set_active(1);
1184                 }
1185         }
1186         else if (p == "dvd-mp2") {
1187                 change_file_extension(".mpg");
1188                 audio_codec_combo.set_active(5);
1189                 video_codec_combo.set_active(4);
1190                 audio_bitrate_combo.set_active(4);
1191                 video_bitrate_combo.set_active(5);
1192                 audio_samplerate_combo.set_active(2);
1193         }
1194         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
1195                 change_file_extension(".mpg");
1196                 audio_codec_combo.set_active(6);
1197                 video_codec_combo.set_active(4);
1198                 audio_bitrate_combo.set_active(4);
1199                 video_bitrate_combo.set_active(5);
1200                 audio_samplerate_combo.set_active(2);
1201
1202                 scale_checkbox.set_active(false);
1203                 scale_checkbox.set_sensitive(false);
1204         }
1205         else if (p == "mpeg4") {
1206                 change_file_extension(".mp4");
1207                 audio_codec_combo.set_active(1);
1208                 video_codec_combo.set_active(5);
1209                 audio_bitrate_combo.set_active(4);
1210                 video_bitrate_combo.set_active(5);
1211                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1212                         audio_samplerate_combo.set_active(2);
1213                 } else {
1214                         audio_samplerate_combo.set_active(1);
1215                 }
1216         }
1217         else if (p == "mp4/h264/aac") {
1218                 change_file_extension(".mp4");
1219                 audio_codec_combo.set_active(2);
1220                 video_codec_combo.set_active(6);
1221                 audio_bitrate_combo.set_active(0);
1222                 video_bitrate_combo.set_active(0);
1223                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
1224                         audio_samplerate_combo.set_active(2);
1225                 } else {
1226                         audio_samplerate_combo.set_active(1);
1227                 }
1228         }
1229
1230         if (p == "none") {
1231                 audio_codec_combo.set_sensitive(true);
1232                 video_codec_combo.set_sensitive(true);
1233                 audio_bitrate_combo.set_sensitive(true);
1234                 video_bitrate_combo.set_sensitive(true);
1235                 audio_samplerate_combo.set_sensitive(true);
1236         } else {
1237                 audio_codec_combo.set_sensitive(false);
1238                 video_codec_combo.set_sensitive(false);
1239                 audio_bitrate_combo.set_sensitive(false);
1240                 video_bitrate_combo.set_sensitive(false);
1241                 audio_samplerate_combo.set_sensitive(false);
1242         }
1243
1244         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
1245         Gtk::Table_Helpers::TableList c = t->children();
1246         Gtk::Table_Helpers::TableList::iterator it;
1247         if (p == "dvd-PAL" || p == "dvd-NTSC") {
1248                 for (it = c.begin(); it != c.end(); ++it) {
1249                         int row = it->get_top_attach();
1250                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1251                                 it->get_widget()->hide();
1252                         }
1253                 }
1254         } else {
1255                 for (it = c.begin(); it != c.end(); ++it) {
1256                         int row = it->get_top_attach();
1257                         if (row == 2 || row == 3 || row== 5 || row== 6 || row == 9) {
1258                                 it->get_widget()->show();
1259                         }
1260                 }
1261         }
1262
1263         video_codec_combo_changed();
1264 }
1265
1266 void
1267 ExportVideoDialog::open_outfn_dialog ()
1268 {
1269         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1270         dialog.set_filename (outfn_path_entry.get_text());
1271
1272         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1273         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1274
1275         int result = dialog.run();
1276
1277         if (result == Gtk::RESPONSE_OK) {
1278                 std::string filename = dialog.get_filename();
1279
1280                 if (filename.length()) {
1281                         outfn_path_entry.set_text (filename);
1282                 }
1283         }
1284 }
1285
1286 void
1287 ExportVideoDialog::open_invid_dialog ()
1288 {
1289         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
1290         dialog.set_filename (invid_path_entry.get_text());
1291
1292         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1293         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1294
1295         int result = dialog.run();
1296
1297         if (result == Gtk::RESPONSE_OK) {
1298                 std::string filename = dialog.get_filename();
1299
1300                 if (filename.length()) {
1301                         invid_path_entry.set_text (filename);
1302                 }
1303         }
1304 }