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 #ifdef WITH_VIDEOTIMELINE
  21
  22 #include <cstdio>
  23 #include <string>
  24 #include <sstream>
  25 #include <iomanip>
  26
  27 #include <unistd.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31
  32 #include <sigc++/bind.h>
  33 #include <libgen.h>
  34
  35 #include "pbd/error.h"
  36 #include "pbd/convert.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 "utils.h"
  56 #include "opts.h"
  57 #include "export_video_dialog.h"
  58 #include "utils_videotl.h"
  59 #include "i18n.h"
  60
  61 using namespace Gtk;
  62 using namespace std;
  63 using namespace PBD;
  64 using namespace ARDOUR;
  65
  66 ExportVideoDialog::ExportVideoDialog (PublicEditor& ed, Session* s)
  67         : ArdourDialog (_("Export Video File "))
  68         , editor (ed)
  69   , outfn_path_label (_("Output File:"), Gtk::ALIGN_LEFT)
  70         , outfn_browse_button (_("Browse"))
  71         , invid_path_label (_("Input Video File:"), Gtk::ALIGN_LEFT)
  72         , invid_browse_button (_("Browse"))
  73         , transcode_button (_("Export"))
  74         , abort_button (_("Abort"))
  75         , scale_checkbox (_("Scale Video (W x H):"))
  76         , width_adjustment (128, 768, 1920, 1, 16, 0)
  77         , width_spinner (width_adjustment)
  78         , height_adjustment (128, 576, 1920, 1, 16, 0)
  79         , height_spinner (height_adjustment)
  80         , aspect_checkbox (_("Set Aspect Ratio:"))
  81         , normalize_checkbox (_("Normalize Audio"))
  82         , twopass_checkbox (_("2 Pass Encoding"))
  83         , optimizations_checkbox (_("Optimizations:"))
  84         , optimizations_label ("-")
  85         , deinterlace_checkbox (_("Deinterlace"))
  86         , bframes_checkbox (_("Use [2] B-frames (MPEG 2 or 4 only)"))
  87         , fps_checkbox (_("Override FPS (Default is to retain FPS from the input video file):"))
  88         , meta_checkbox (_("Include Session Metadata"))
  89 #if 1 /* tentative debug mode */
  90         , debug_checkbox (_("Enable Debug Mode: Print ffmpeg Command & Output to stdout."))
  91 #endif
  92 {
  93         set_session (s);
  94
  95         transcoder = 0;
  96
  97         set_name ("ExportVideoDialog");
  98         set_position (Gtk::WIN_POS_MOUSE);
  99         set_modal (true);
 100         set_skip_taskbar_hint (true);
 101         set_resizable (false);
 102
 103         Gtk::Label* l;
 104         vbox = manage (new VBox);
 105         VBox* options_box = manage (new VBox);
 106         HBox* path_hbox;
 107
 108 #if 0
 109         l = manage (new Label (_("<b>Export Video File</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 110         l->set_use_markup ();
 111         vbox->pack_start (*l, false, false);
 112         l = manage (new Label (_("The file-format is determined by the extension you choose for the output file."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 113         l->set_size_request(700,-1);
 114         l->set_line_wrap();
 115         vbox->pack_start (*l, false, false, 8);
 116 #endif
 117
 118         l = manage (new Label (_("<b>Files:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 119         l->set_use_markup ();
 120         vbox->pack_start (*l, false, false);
 121
 122         path_hbox = manage (new HBox);
 123         path_hbox->pack_start (outfn_path_label, false, false, 3);
 124         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 125         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 126         outfn_browse_button.set_name ("PaddedButton");
 127         vbox->pack_start (*path_hbox, false, false);
 128
 129         path_hbox = manage (new HBox);
 130         path_hbox->pack_start (invid_path_label, false, false, 3);
 131         path_hbox->pack_start (invid_path_entry, true, true, 3);
 132         path_hbox->pack_start (invid_browse_button, false, false, 3);
 133         invid_browse_button.set_name ("PaddedButton");
 134         vbox->pack_start (*path_hbox, false, false);
 135
 136         path_hbox = manage (new HBox);
 137         l = manage (new Label (_("Input Audio (Ardour Session):"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 138         path_hbox->pack_start (*l, true, true, 3);
 139         path_hbox->pack_start (insnd_combo, true, true, 3);
 140         vbox->pack_start (*path_hbox, false, false);
 141
 142         insnd_combo.set_name ("PaddedButton");
 143         insnd_combo.append_text("from ardour session-start to session-end");
 144
 145         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 146         if (av_offset < 0 ) {
 147                 insnd_combo.append_text("from 00:00:00:00 to video-end");
 148         } else {
 149                 insnd_combo.append_text("from video-start to video-end");
 150         }
 151         insnd_combo.set_active(0);
 152
 153 #if 1
 154         // TODO probe input file - don't use VTL duration.
 155         framecnt_t duration_v = ARDOUR_UI::instance()->video_timeline->get_duration();
 156         framecnt_t duration_a = _session->current_end_frame() - _session->current_start_frame();
 157         if ( duration_a > duration_v ) {
 158                 warning << _("Audio is longer than video. This file may not play correctly.") << endmsg;
 159         }
 160 #endif
 161
 162         outfn_path_entry.set_width_chars(38);
 163         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 164
 165         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 166         if (node && node->property(X_("Filename"))) {
 167                 std::string filename = node->property(X_("Filename"))->value();
 168                 if (filename.at(0) != G_DIR_SEPARATOR) {
 169                         filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 170                 }
 171                 invid_path_entry.set_text (filename);
 172         }
 173
 174         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 175         l->set_use_markup ();
 176         options_box->pack_start (*l, false, true, 4);
 177
 178         Table* t = manage (new Table (4, 11));
 179         t->set_spacings (4);
 180         options_box->pack_start (*t, true, true, 4);
 181         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 182         t->attach (*l, 0, 1, 0, 1);
 183         t->attach (preset_combo, 1, 4, 0, 1);
 184         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 185         t->attach (*l, 0, 1, 1, 2);
 186         t->attach (video_codec_combo, 1, 2, 1, 2);
 187         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 188         t->attach (*l, 2, 3, 1, 2);
 189         t->attach (video_bitrate_combo, 3, 4, 1, 2);
 190         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 191         t->attach (*l, 0, 1, 2, 3);
 192         t->attach (audio_codec_combo, 1, 2, 2, 3);
 193         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 194         t->attach (*l, 2, 3, 2, 3);
 195         t->attach (audio_bitrate_combo, 3, 4, 2, 3);
 196         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 197         t->attach (*l, 0, 1, 3, 4);
 198         t->attach (audio_samplerate_combo, 1, 2, 3, 4);
 199         t->attach (normalize_checkbox, 2, 4, 3, 4);
 200         t->attach (scale_checkbox, 0, 2, 4, 5);
 201         t->attach (width_spinner, 2, 3, 4, 5);
 202         t->attach (height_spinner, 3, 4, 4, 5);
 203         t->attach (fps_checkbox, 0, 3, 5, 6);
 204         t->attach (fps_combo, 3, 4, 5, 6);
 205         t->attach (aspect_checkbox, 2, 3, 6, 7);
 206         t->attach (aspect_combo, 3, 4, 6, 7);
 207         t->attach (twopass_checkbox, 0, 2, 6, 7);
 208         t->attach (bframes_checkbox, 0, 2, 7, 8);
 209         t->attach (deinterlace_checkbox, 2, 4, 7, 8);
 210         t->attach (meta_checkbox, 2, 4, 8, 9);
 211         t->attach (optimizations_checkbox, 0, 1, 9, 10);
 212         t->attach (optimizations_label, 1, 4, 9, 10);
 213 #if 1 /* tentative debug mode */
 214         t->attach (debug_checkbox, 0, 4, 10, 11);
 215 #endif
 216
 217         preset_combo.set_name ("PaddedButton");
 218         preset_combo.append_text("none");
 219         preset_combo.append_text("dvd-mp2");
 220         preset_combo.append_text("dvd-NTSC");
 221         preset_combo.append_text("dvd-PAL");
 222         preset_combo.append_text("flv");
 223         preset_combo.append_text("mpeg4");
 224         preset_combo.append_text("ogg");
 225         preset_combo.append_text("you-tube");
 226         preset_combo.set_active(0);
 227
 228         audio_codec_combo.set_name ("PaddedButton");
 229         audio_codec_combo.append_text("ac3");
 230         audio_codec_combo.append_text("libfaac");
 231         audio_codec_combo.append_text("libmp3lame");
 232         audio_codec_combo.append_text("libvorbis");
 233         audio_codec_combo.append_text("mp2");
 234         audio_codec_combo.append_text("pcm_s16le");
 235         audio_codec_combo.set_active(2);
 236
 237         video_codec_combo.set_name ("PaddedButton");
 238         video_codec_combo.append_text("flv");
 239         video_codec_combo.append_text("libtheora");
 240         video_codec_combo.append_text("mjpeg");
 241         video_codec_combo.append_text("mpeg2video");
 242         video_codec_combo.append_text("mpeg4");
 243         video_codec_combo.append_text("x264 (default)");
 244         video_codec_combo.append_text("x264 (hq)");
 245         video_codec_combo.append_text("copy");
 246         video_codec_combo.set_active(4);
 247
 248         audio_bitrate_combo.set_name ("PaddedButton");
 249         audio_bitrate_combo.append_text("64k");
 250         audio_bitrate_combo.append_text("128k");
 251         audio_bitrate_combo.append_text("192k");
 252         audio_bitrate_combo.append_text("256k");
 253         audio_bitrate_combo.append_text("320k");
 254         audio_bitrate_combo.set_active(2);
 255
 256         audio_samplerate_combo.set_name ("PaddedButton");
 257         audio_samplerate_combo.append_text("22050");
 258         audio_samplerate_combo.append_text("44100");
 259         audio_samplerate_combo.append_text("48000");
 260         audio_samplerate_combo.set_active(2);
 261
 262         video_bitrate_combo.set_name ("PaddedButton");
 263         video_bitrate_combo.append_text("200k");
 264         video_bitrate_combo.append_text("800k");
 265         video_bitrate_combo.append_text("2000k");
 266         video_bitrate_combo.append_text("5000k");
 267         video_bitrate_combo.append_text("8000k");
 268         video_bitrate_combo.append_text("retain");
 269         video_bitrate_combo.set_active(3);
 270
 271         fps_combo.set_name ("PaddedButton");
 272         fps_combo.append_text("23.976");
 273         fps_combo.append_text("24");
 274         fps_combo.append_text("24.976");
 275         fps_combo.append_text("25");
 276         fps_combo.append_text("29.97");
 277         fps_combo.append_text("30");
 278         fps_combo.append_text("59.94");
 279         fps_combo.append_text("60");
 280         float tcfps = _session->timecode_frames_per_second();
 281         if      (fabs(tcfps - 23.976)  < 0.01) { fps_combo.set_active(0); }
 282         else if (fabs(tcfps - 24.0  )  < 0.01) { fps_combo.set_active(1); }
 283         else if (fabs(tcfps - 24.976)  < 0.01) { fps_combo.set_active(2); }
 284         else if (fabs(tcfps - 25.0  )  < 0.01) { fps_combo.set_active(3); }
 285         else if (fabs(tcfps - 29.97 )  < 0.01) { fps_combo.set_active(4); }
 286         else if (fabs(tcfps - 30.0  )  < 0.01) { fps_combo.set_active(5); }
 287         else if (fabs(tcfps - 59.94 )  < 0.01) { fps_combo.set_active(6); }
 288         else if (fabs(tcfps - 60.0  )  < 0.01) { fps_combo.set_active(7); }
 289         else { fps_combo.set_active(5); }
 290
 291         aspect_combo.set_name ("PaddedButton");
 292         aspect_combo.append_text("4:3");
 293         aspect_combo.append_text("16:9");
 294         aspect_combo.set_active(1);
 295
 296         optimizations_checkbox.set_sensitive(false);
 297         scale_checkbox_toggled();
 298         aspect_checkbox_toggled();
 299         fps_checkbox_toggled();
 300         video_codec_combo_changed();
 301
 302   vbox->pack_start (*options_box, false, true);
 303         get_vbox()->set_spacing (4);
 304         get_vbox()->pack_start (*vbox, false, false);
 305
 306         progress_box = manage (new VBox);
 307         progress_box->pack_start (pbar, false, false);
 308         progress_box->pack_start (abort_button, false, false);
 309         get_vbox()->pack_start (*progress_box, false, false);
 310
 311         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 312         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 313         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 314         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 315         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 316         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 317         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 318         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 319         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 320
 321         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 322         get_action_area()->pack_start (transcode_button, false, false);
 323         show_all_children ();
 324         progress_box->hide();
 325 }
 326
 327 ExportVideoDialog::~ExportVideoDialog ()
 328 {
 329         if (transcoder) { delete transcoder; transcoder = 0;}
 330 }
 331
 332 void
 333 ExportVideoDialog::on_show ()
 334 {
 335         Dialog::on_show ();
 336 }
 337
 338 void
 339 ExportVideoDialog::abort_clicked ()
 340 {
 341         aborted = true;
 342         if (transcoder) {
 343                 transcoder->cancel();
 344         }
 345 }
 346
 347 void
 348 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 349 {
 350         if (a == 0 || c > a) {
 351                 pbar.set_pulse_step(.1);
 352                 pbar.pulse();
 353                 return;
 354         }
 355         pbar.set_fraction ((double)c / (double) a);
 356 }
 357
 358 void
 359 ExportVideoDialog::finished ()
 360 {
 361         if (aborted) {
 362                 unlink(outfn_path_entry.get_text().c_str());
 363                 unlink (insnd.c_str());
 364                 warning << _("Video Export Failed or Was Aborted") << endmsg;
 365                 Gtk::Dialog::response(RESPONSE_CANCEL);
 366         } else if (twopass) {
 367                 twopass = false;
 368                 if (transcoder) { delete transcoder; transcoder = 0;}
 369                 encode_pass(2);
 370         } else {
 371           if (twopass_checkbox.get_active()) {
 372                         std::string outfn = outfn_path_entry.get_text();
 373                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 374                         unlink (p2log.c_str());
 375                 }
 376                 unlink (insnd.c_str());
 377                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 378         }
 379 }
 380
 381 void
 382 ExportVideoDialog::launch_export ()
 383 {
 384         std::string outfn = outfn_path_entry.get_text();
 385         if (!confirm_video_outfn(outfn)) { return; }
 386
 387         vbox->hide();
 388         cancel_button->hide();
 389         transcode_button.hide();
 390         pbar.set_size_request(300,-1);
 391         pbar.set_text(_("Exporting Audio.."));
 392         progress_box->show();
 393         aborted = false;
 394         twopass = twopass_checkbox.get_active();
 395
 396         /* export audio track */
 397         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 398         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 399         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 400         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 401   XMLTree tree;
 402         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 403         std::string vtl_normalize = normalize_checkbox.get_active()?"true":"false";
 404         tree.read_buffer(std::string(
 405         /* TODO: move this into a header file */
 406 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 407 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 408 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 409 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 410 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 411 "  <EncodingOptions>"
 412 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 413 "    <Option name=\"dithering\" value=\"D_None\"/>"
 414 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 415 "    <Option name=\"tag-support\" value=\"false\"/>"
 416 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 417 "  </EncodingOptions>"
 418 "  <Processing>"
 419 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 420 "    <Silence>"
 421 "      <Start>"
 422 "        <Trim enabled=\"false\"/>"
 423 "        <Add enabled=\"false\">"
 424 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 425 "        </Add>"
 426 "      </Start>"
 427 "      <End>"
 428 "        <Trim enabled=\"false\"/>"
 429 "        <Add enabled=\"false\">"
 430 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 431 "        </Add>"
 432 "      </End>"
 433 "    </Silence>"
 434 "  </Processing>"
 435 "</ExportFormatSpecification>"
 436 ));
 437         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 438
 439         /* set up range */
 440         framepos_t start, end;
 441         start = end = 0;
 442         if (insnd_combo.get_active_row_number() == 1) {
 443                 transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 444                 if (transcoder->probe_ok()) {
 445                   end = transcoder->get_duration() * _session->nominal_frame_rate() / transcoder->get_fps();
 446                 }
 447                 if (transcoder) { delete transcoder; transcoder = 0;}
 448
 449                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 450                 if (av_offset > 0) {
 451                         start += (av_offset / (double)_session->nominal_frame_rate());
 452                 }
 453                 end += (av_offset / (double)_session->nominal_frame_rate());
 454         }
 455         if (end <= 0) {
 456                 start = _session->current_start_frame();
 457                 end   = _session->current_end_frame();
 458         }
 459 #if 0 /* DEBUG */
 460         printf("export-range %ld -> %ld\n", start,  end);
 461 #endif
 462
 463         tsp->set_range (start, end);
 464         tsp->set_name ("mysession");
 465         tsp->set_range_id ("session");
 466
 467         /* add master outs as default */
 468         IO* master_out = _session->master_out()->output().get();
 469         if (!master_out) {
 470                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 471                 Gtk::Dialog::response(RESPONSE_CANCEL);
 472                 return;
 473         }
 474         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 475                 PortExportChannel * channel = new PortExportChannel ();
 476                 channel->add_port (master_out->audio (n));
 477                 ExportChannelPtr chan_ptr (channel);
 478                 ccp->register_channel (chan_ptr);
 479         }
 480
 481         /* outfile */
 482         fnp->set_timespan(tsp);
 483         fnp->set_label("vtl");
 484         fnp->include_label = true;
 485         insnd = fnp->get_path(fmp);
 486
 487         /* do sound export */
 488         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 489         _session->get_export_handler()->do_export();
 490   boost::shared_ptr<ARDOUR::ExportStatus> status = _session->get_export_status ();
 491         //status->running = true;
 492
 493         float previous_progress = 0.0;
 494   while (status->running) {
 495                 if (aborted) { status->abort(); }
 496
 497                 float progress = 0.0;
 498                 if (status->normalizing) {
 499                         pbar.set_text (_("Normalizing audio"));
 500                         progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
 501                 } else {
 502                         pbar.set_text (_("Exporting audio"));
 503                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 504                 }
 505                 if (progress < previous_progress) {
 506                         // Work around gtk bug
 507                         pbar.hide();
 508                         pbar.show();
 509                 }
 510                 previous_progress = progress;
 511                 pbar.set_fraction (progress);
 512     if (gtk_events_pending()) {
 513       gtk_main_iteration ();
 514     } else {
 515       usleep (10000);
 516     }
 517   }
 518   if (status->aborted()) {
 519                 unlink (insnd.c_str());
 520                 Gtk::Dialog::response(RESPONSE_CANCEL);
 521                 return;
 522         }
 523         status->finish ();
 524         pbar.set_text (_("Encoding Video.."));
 525         encode_pass(1);
 526 }
 527
 528 void
 529 ExportVideoDialog::encode_pass (int pass)
 530 {
 531         std::string outfn = outfn_path_entry.get_text();
 532         std::string invid = invid_path_entry.get_text();
 533
 534         /* TODO: optimize
 535          * if (insnd_combo.get_active_row_number() == 0)
 536          * we can skip parsing the input video-file and use
 537          * new TranscodeFfmpeg("");
 538          */
 539         transcoder = new TranscodeFfmpeg(invid);
 540         if (!transcoder->ffexec_ok()) {
 541                 warning << _("No ffprobe or ffmpeg executables could be found on this system. Transcoding is not possible until you install those tools.") << endmsg;
 542                 unlink (insnd.c_str());
 543                 Gtk::Dialog::response(RESPONSE_CANCEL);
 544                 return;
 545         }
 546
 547         std::string preset = preset_combo.get_active_text();
 548         FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 549         ffs.clear();
 550
 551         if (fps_checkbox.get_active()) {
 552           ffs["-r"] = fps_combo.get_active_text();
 553         }
 554
 555         if (scale_checkbox.get_active()) {
 556                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 557         }
 558         ffs["-vcodec"] = video_codec_combo.get_active_text();
 559         ffs["-acodec"] = audio_codec_combo.get_active_text();
 560
 561         if (video_bitrate_combo.get_active_text() == "retain" ) {
 562                 ffs["-sameq"]  = "-y"; // we use '-y' as dummy parameter for non key/value options
 563         } else {
 564                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 565         }
 566         ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 567         if (video_codec_combo.get_active_text() == "x264 (hq)" ) {
 568                 ffs["-vcodec"] = "libx264";
 569                 ffs["-vpre"] = "slow";
 570         }
 571         else if (video_codec_combo.get_active_text() == "x264 (default)" ) {
 572                 ffs["-vcodec"] = "libx264";
 573                 ffs["-vpre"] = "medium";
 574         }
 575
 576         if (optimizations_checkbox.get_active()) {
 577                 /* TODO: define these smartly in a header-file so that they can be
 578                  * merged for printing as label and used here easyly
 579                  */
 580           if (video_codec_combo.get_active_text() == "mpeg2video") {
 581                         ffs["-mbd"] = "rd";
 582                         ffs["-trellis"] = "2";
 583                         ffs["-cmp"] = "2";
 584                         ffs["-subcmp"] = "2";
 585                 }
 586                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 587                         ffs["-mbd"] = "rd";
 588                         ffs["-flags"] = "+4mv+aic";
 589                         ffs["-trellis"] = "2";
 590                         ffs["-cmp"] = "2";
 591                         ffs["-subcmp"] = "2";
 592                         ffs["-g"] = "300";
 593                 }
 594                 else if (video_codec_combo.get_active_text() == "flv") {
 595                         ffs["-mbd"] = "2";
 596                         ffs["-cmp"] = "2";
 597                         ffs["-subcmp"] = "2";
 598                         ffs["-trellis"] = "2";
 599                         ffs["-flags"] = "+aic+mv0+mv4";
 600                         ffs["-g"] = "160";
 601                 }
 602         }
 603
 604         if (bframes_checkbox.get_active()) {
 605                 ffs["-bf"] = "2";
 606         }
 607
 608         if (preset == "dvd-PAL") {
 609                 ffs.clear(); /* ignore all prev settings */
 610                 ffs["-target"] = "pal-dvd";
 611                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 612         }
 613         else if (preset == "dvd-NTSC") {
 614                 ffs.clear(); /* ignore all prev settings */
 615                 ffs["-target"] = "ntsc-dvd";
 616                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 617         }
 618
 619         if (aspect_checkbox.get_active()) {
 620                 ffs["-aspect"] = aspect_combo.get_active_text();
 621         }
 622         if (deinterlace_checkbox.get_active()) {
 623                         ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 624         }
 625
 626         bool map = true;
 627         if (pass == 1 && twopass) {
 628                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 629                 map = false;
 630                 ffs["-pass"] = "1";
 631                 ffs["-an"] = "-y";
 632                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 633                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 634 #ifdef _OS_WIN32
 635                 outfn = "NUL";
 636 #else
 637                 outfn = "/dev/null";
 638 #endif
 639         } else if (pass == 2) {
 640                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 641                 ffs["-pass"] = "2";
 642                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 643         }
 644
 645         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 646
 647         if (insnd_combo.get_active_row_number() == 0) {
 648                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 649                 double duration_s  = (double)duration_f / (double)_session->nominal_frame_rate();
 650                 std::ostringstream osstream; osstream << duration_s;
 651                 ffs["-t"] = osstream.str();
 652                 if (fps_checkbox.get_active()) {
 653                         transcoder->set_duration(duration_s * atof(fps_combo.get_active_text()));
 654                 } else {
 655                         transcoder->set_duration(duration_s * transcoder->get_fps());
 656                 }
 657         } else {
 658                 ;
 659                 // TODO use (end-start) from above
 660                 // in case offset is negative, video will be shorter..
 661                 // CHECK; maybe this is not needed -itsoffset may take care of it
 662         }
 663
 664         if (insnd_combo.get_active_row_number() == 0) {
 665                 framepos_t start = _session->current_start_frame();
 666 #if 0
 667                 double start_s  = ((double)start / (double)_session->nominal_frame_rate());
 668                 std::ostringstream osstream; osstream << start_s;
 669                 ffs["-ss"] = osstream.str();
 670 #endif
 671                 av_offset -= start;
 672         }
 673         transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 674
 675         FFSettings meta = transcoder->default_meta_data();
 676         if (meta_checkbox.get_active()) {
 677                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
 678                 if (session_data->year() > 0 ) {
 679                         std::ostringstream osstream; osstream << session_data->year();
 680                         meta["year"] = osstream.str();
 681                 }
 682                 if (session_data->track_number() > 0 ) {
 683                         std::ostringstream osstream; osstream << session_data->track_number();
 684                         meta["track"] = osstream.str();
 685                 }
 686                 if (session_data->disc_number() > 0 ) {
 687                         std::ostringstream osstream; osstream << session_data->disc_number();
 688                         meta["disc"] = osstream.str();
 689                 }
 690                 if (!session_data->title().empty())  {meta["title"] = session_data->title();}
 691                 if (!session_data->artist().empty()) {meta["author"] = session_data->artist();}
 692                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
 693                 if (!session_data->album().empty())  {meta["album"] = session_data->album();}
 694                 if (!session_data->genre().empty())  {meta["genre"] = session_data->genre();}
 695                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
 696                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
 697                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
 698                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
 699         }
 700
 701 #if 1 /* tentative debug mode */
 702         if (debug_checkbox.get_active()) {
 703                 transcoder->set_debug(true);
 704         }
 705 #endif
 706
 707         transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
 708         transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
 709         if (!transcoder->encode(outfn, insnd, invid, ffs, meta, map)) {
 710                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
 711                 Gtk::Dialog::response(RESPONSE_CANCEL);
 712                 return;
 713         }
 714 }
 715
 716 void
 717 ExportVideoDialog::change_file_extension (std::string ext)
 718 {
 719         outfn_path_entry.set_text (
 720           strip_file_extension(outfn_path_entry.get_text()) + ext
 721         );
 722 }
 723
 724 void
 725 ExportVideoDialog::scale_checkbox_toggled ()
 726 {
 727         width_spinner.set_sensitive(scale_checkbox.get_active());
 728         height_spinner.set_sensitive(scale_checkbox.get_active());
 729 }
 730
 731 void
 732 ExportVideoDialog::fps_checkbox_toggled ()
 733 {
 734         fps_combo.set_sensitive(fps_checkbox.get_active());
 735 }
 736
 737 void
 738 ExportVideoDialog::aspect_checkbox_toggled ()
 739 {
 740         aspect_combo.set_sensitive(aspect_checkbox.get_active());
 741 }
 742
 743 void
 744 ExportVideoDialog::video_codec_combo_changed ()
 745 {
 746         if ((  video_codec_combo.get_active_text() == "mpeg4"
 747              ||video_codec_combo.get_active_text() == "mpeg2video"
 748              ||video_codec_combo.get_active_text() == "flv"
 749                         ) && !(
 750                preset_combo.get_active_text() == "dvd-PAL"
 751              ||preset_combo.get_active_text() == "dvd-NTSC"
 752            )) {
 753                 bframes_checkbox.set_sensitive(true);
 754                 optimizations_checkbox.set_sensitive(true);
 755           if (video_codec_combo.get_active_text() == "mpeg2video") {
 756                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
 757                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
 758                         optimizations_label.set_text("-mbd rd -flags +4mv+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
 759                 } else {
 760                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
 761                 }
 762         } else {
 763                 bframes_checkbox.set_sensitive(false);
 764                 bframes_checkbox.set_active(false);
 765                 optimizations_checkbox.set_sensitive(false);
 766                 optimizations_checkbox.set_active(false);
 767                 optimizations_label.set_text("-");
 768         }
 769 }
 770
 771 void
 772 ExportVideoDialog::preset_combo_changed ()
 773 {
 774         std::string p = preset_combo.get_active_text();
 775         scale_checkbox.set_sensitive(true);
 776
 777         if (p == "flv") {
 778                 change_file_extension(".flv");
 779                 audio_codec_combo.set_active(1);
 780                 video_codec_combo.set_active(0);
 781                 audio_bitrate_combo.set_active(1);
 782                 video_bitrate_combo.set_active(1);
 783                 audio_samplerate_combo.set_active(1);
 784         }
 785         else if (p == "you-tube") {
 786                 change_file_extension(".avi");
 787                 audio_codec_combo.set_active(2);
 788                 video_codec_combo.set_active(5);
 789                 audio_bitrate_combo.set_active(1);
 790                 video_bitrate_combo.set_active(2);
 791                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 792                         audio_samplerate_combo.set_active(2);
 793                 } else {
 794                         audio_samplerate_combo.set_active(1);
 795                 }
 796         }
 797         else if (p == "ogg") {
 798                 change_file_extension(".ogv");
 799                 audio_codec_combo.set_active(3);
 800                 video_codec_combo.set_active(1);
 801                 audio_bitrate_combo.set_active(2);
 802                 video_bitrate_combo.set_active(2);
 803                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 804                         audio_samplerate_combo.set_active(2);
 805                 } else {
 806                         audio_samplerate_combo.set_active(1);
 807                 }
 808         }
 809         else if (p == "dvd-mp2") {
 810                 change_file_extension(".mpg");
 811                 audio_codec_combo.set_active(4);
 812                 video_codec_combo.set_active(3);
 813                 audio_bitrate_combo.set_active(3);
 814                 video_bitrate_combo.set_active(3);
 815                 audio_samplerate_combo.set_active(2);
 816         }
 817         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
 818                 change_file_extension(".mpg");
 819                 audio_codec_combo.set_active(5);
 820                 video_codec_combo.set_active(3);
 821                 audio_bitrate_combo.set_active(3);
 822                 video_bitrate_combo.set_active(3);
 823                 audio_samplerate_combo.set_active(2);
 824
 825           scale_checkbox.set_active(false);
 826           scale_checkbox.set_sensitive(false);
 827         }
 828         else if (p == "mpeg4") {
 829                 change_file_extension(".mp4");
 830                 audio_codec_combo.set_active(0);
 831                 video_codec_combo.set_active(4);
 832                 audio_bitrate_combo.set_active(3);
 833                 video_bitrate_combo.set_active(3);
 834                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 835                         audio_samplerate_combo.set_active(2);
 836                 } else {
 837                         audio_samplerate_combo.set_active(1);
 838                 }
 839         }
 840
 841         if (p == "none") {
 842                 audio_codec_combo.set_sensitive(true);
 843                 video_codec_combo.set_sensitive(true);
 844                 audio_bitrate_combo.set_sensitive(true);
 845                 video_bitrate_combo.set_sensitive(true);
 846                 audio_samplerate_combo.set_sensitive(true);
 847         } else {
 848                 audio_codec_combo.set_sensitive(false);
 849                 video_codec_combo.set_sensitive(false);
 850                 audio_bitrate_combo.set_sensitive(false);
 851                 video_bitrate_combo.set_sensitive(false);
 852                 audio_samplerate_combo.set_sensitive(false);
 853         }
 854
 855         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
 856         Gtk::Table_Helpers::TableList c = t->children();
 857         Gtk::Table_Helpers::TableList::iterator it;
 858         if (p == "dvd-PAL" || p == "dvd-NTSC") {
 859                 for (it = c.begin(); it != c.end(); ++it) {
 860                         int row = it->get_top_attach();
 861                         if (row ==1 || row ==2 || row==4 || row==5 || row == 8) {
 862                           it->get_widget()->hide();
 863                         }
 864                 }
 865         } else {
 866                 for (it = c.begin(); it != c.end(); ++it) {
 867                         int row = it->get_top_attach();
 868                         if (row ==1 || row ==2 || row==4 || row==5 || row == 8) {
 869                           it->get_widget()->show();
 870                         }
 871                 }
 872         }
 873
 874         video_codec_combo_changed();
 875 }
 876
 877 void
 878 ExportVideoDialog::open_outfn_dialog ()
 879 {
 880         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
 881         dialog.set_filename (outfn_path_entry.get_text());
 882
 883         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 884         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
 885
 886         int result = dialog.run();
 887
 888         if (result == Gtk::RESPONSE_OK) {
 889                 std::string filename = dialog.get_filename();
 890
 891                 if (filename.length()) {
 892                         outfn_path_entry.set_text (filename);
 893                 }
 894         }
 895 }
 896
 897 void
 898 ExportVideoDialog::open_invid_dialog ()
 899 {
 900         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
 901         dialog.set_filename (invid_path_entry.get_text());
 902
 903         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 904         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
 905
 906         int result = dialog.run();
 907
 908         if (result == Gtk::RESPONSE_OK) {
 909                 std::string filename = dialog.get_filename();
 910
 911                 if (filename.length()) {
 912                         invid_path_entry.set_text (filename);
 913                 }
 914         }
 915 }
 916
 917 #endif /* WITH_VIDEOTIMELINE */