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
  96         set_name ("ExportVideoDialog");
  97         set_position (Gtk::WIN_POS_MOUSE);
  98         set_modal (true);
  99         set_skip_taskbar_hint (true);
 100         set_resizable (false);
 101
 102         Gtk::Label* l;
 103         vbox = manage (new VBox);
 104         VBox* options_box = manage (new VBox);
 105         HBox* path_hbox;
 106
 107         /* check if ffmpeg can be found */
 108         transcoder = new TranscodeFfmpeg("");
 109         if (!transcoder->ffexec_ok()) {
 110                 l = manage (new Label (_("No ffprobe or ffmpeg executables could be found on this system. Video Export is not possible until you install those tools. See the Log widow for more information."), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 111                 l->set_line_wrap();
 112                 vbox->pack_start (*l, false, false, 8);
 113                 get_vbox()->pack_start (*vbox, false, false);
 114                 add_button (Stock::OK, RESPONSE_CANCEL);
 115                 show_all_children ();
 116                 return;
 117         }
 118         delete transcoder; transcoder = 0;
 119
 120         l = manage (new Label (_("<b>Files:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 121         l->set_use_markup ();
 122         vbox->pack_start (*l, false, false);
 123
 124         path_hbox = manage (new HBox);
 125         path_hbox->pack_start (outfn_path_label, false, false, 3);
 126         path_hbox->pack_start (outfn_path_entry, true, true, 3);
 127         path_hbox->pack_start (outfn_browse_button, false, false, 3);
 128         outfn_browse_button.set_name ("PaddedButton");
 129         vbox->pack_start (*path_hbox, false, false);
 130
 131         path_hbox = manage (new HBox);
 132         path_hbox->pack_start (invid_path_label, false, false, 3);
 133         path_hbox->pack_start (invid_path_entry, true, true, 3);
 134         path_hbox->pack_start (invid_browse_button, false, false, 3);
 135         invid_browse_button.set_name ("PaddedButton");
 136         vbox->pack_start (*path_hbox, false, false);
 137
 138         path_hbox = manage (new HBox);
 139         l = manage (new Label (_("Input Audio (Ardour Session):"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 140         path_hbox->pack_start (*l, true, true, 3);
 141         path_hbox->pack_start (insnd_combo, true, true, 3);
 142         vbox->pack_start (*path_hbox, false, false);
 143
 144         insnd_combo.set_name ("PaddedButton");
 145         insnd_combo.append_text("from ardour session-start to session-end");
 146
 147         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 148         if (av_offset < 0 ) {
 149                 insnd_combo.append_text("from 00:00:00:00 to video-end");
 150         } else {
 151                 insnd_combo.append_text("from video-start to video-end");
 152         }
 153         insnd_combo.set_active(0);
 154
 155 #if 1
 156         // TODO probe input file - don't use VTL duration.
 157         framecnt_t duration_v = ARDOUR_UI::instance()->video_timeline->get_duration();
 158         framecnt_t duration_a = _session->current_end_frame() - _session->current_start_frame();
 159         if ( duration_a > duration_v ) {
 160                 warning << _("Audio is longer than video. This file may not play correctly.") << endmsg;
 161         }
 162 #endif
 163
 164         outfn_path_entry.set_width_chars(38);
 165         outfn_path_entry.set_text (_session->session_directory().export_path() + G_DIR_SEPARATOR +"export.avi");
 166
 167         XMLNode* node = _session->extra_xml (X_("Videotimeline"));
 168         if (node && node->property(X_("Filename"))) {
 169                 std::string filename = node->property(X_("Filename"))->value();
 170                 if (filename.at(0) != G_DIR_SEPARATOR) {
 171                         filename = Glib::build_filename (_session->session_directory().video_path(), filename);
 172                 }
 173                 invid_path_entry.set_text (filename);
 174         }
 175
 176         l = manage (new Label (_("<b>Settings:</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 177         l->set_use_markup ();
 178         options_box->pack_start (*l, false, true, 4);
 179
 180         Table* t = manage (new Table (4, 11));
 181         t->set_spacings (4);
 182         options_box->pack_start (*t, true, true, 4);
 183         l = manage (new Label (_("Preset:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 184         t->attach (*l, 0, 1, 0, 1);
 185         t->attach (preset_combo, 1, 4, 0, 1);
 186         l = manage (new Label (_("Video Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 187         t->attach (*l, 0, 1, 1, 2);
 188         t->attach (video_codec_combo, 1, 2, 1, 2);
 189         l = manage (new Label (_("Video KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 190         t->attach (*l, 2, 3, 1, 2);
 191         t->attach (video_bitrate_combo, 3, 4, 1, 2);
 192         l = manage (new Label (_("Audio Codec:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 193         t->attach (*l, 0, 1, 2, 3);
 194         t->attach (audio_codec_combo, 1, 2, 2, 3);
 195         l = manage (new Label (_("Audio KBit/s:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 196         t->attach (*l, 2, 3, 2, 3);
 197         t->attach (audio_bitrate_combo, 3, 4, 2, 3);
 198         l = manage (new Label (_("Audio Samplerate:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
 199         t->attach (*l, 0, 1, 3, 4);
 200         t->attach (audio_samplerate_combo, 1, 2, 3, 4);
 201         t->attach (normalize_checkbox, 2, 4, 3, 4);
 202         t->attach (scale_checkbox, 0, 2, 4, 5);
 203         t->attach (width_spinner, 2, 3, 4, 5);
 204         t->attach (height_spinner, 3, 4, 4, 5);
 205         t->attach (fps_checkbox, 0, 3, 5, 6);
 206         t->attach (fps_combo, 3, 4, 5, 6);
 207         t->attach (aspect_checkbox, 2, 3, 6, 7);
 208         t->attach (aspect_combo, 3, 4, 6, 7);
 209         t->attach (twopass_checkbox, 0, 2, 6, 7);
 210         t->attach (bframes_checkbox, 0, 2, 7, 8);
 211         t->attach (deinterlace_checkbox, 2, 4, 7, 8);
 212         t->attach (meta_checkbox, 2, 4, 8, 9);
 213         t->attach (optimizations_checkbox, 0, 1, 9, 10);
 214         t->attach (optimizations_label, 1, 4, 9, 10);
 215 #if 1 /* tentative debug mode */
 216         t->attach (debug_checkbox, 0, 4, 10, 11);
 217 #endif
 218
 219         preset_combo.set_name ("PaddedButton");
 220         preset_combo.append_text("none");
 221         preset_combo.append_text("dvd-mp2");
 222         preset_combo.append_text("dvd-NTSC");
 223         preset_combo.append_text("dvd-PAL");
 224         preset_combo.append_text("flv");
 225         preset_combo.append_text("mpeg4");
 226         preset_combo.append_text("ogg");
 227         preset_combo.append_text("you-tube");
 228         preset_combo.set_active(0);
 229
 230         audio_codec_combo.set_name ("PaddedButton");
 231         audio_codec_combo.append_text("ac3");
 232         audio_codec_combo.append_text("libfaac");
 233         audio_codec_combo.append_text("libmp3lame");
 234         audio_codec_combo.append_text("libvorbis");
 235         audio_codec_combo.append_text("mp2");
 236         audio_codec_combo.append_text("pcm_s16le");
 237         audio_codec_combo.set_active(2);
 238
 239         video_codec_combo.set_name ("PaddedButton");
 240         video_codec_combo.append_text("flv");
 241         video_codec_combo.append_text("libtheora");
 242         video_codec_combo.append_text("mjpeg");
 243         video_codec_combo.append_text("mpeg2video");
 244         video_codec_combo.append_text("mpeg4");
 245         video_codec_combo.append_text("x264 (default)");
 246         video_codec_combo.append_text("x264 (hq)");
 247         video_codec_combo.append_text("copy");
 248         video_codec_combo.set_active(4);
 249
 250         audio_bitrate_combo.set_name ("PaddedButton");
 251         audio_bitrate_combo.append_text("64k");
 252         audio_bitrate_combo.append_text("128k");
 253         audio_bitrate_combo.append_text("192k");
 254         audio_bitrate_combo.append_text("256k");
 255         audio_bitrate_combo.append_text("320k");
 256         audio_bitrate_combo.set_active(2);
 257
 258         audio_samplerate_combo.set_name ("PaddedButton");
 259         audio_samplerate_combo.append_text("22050");
 260         audio_samplerate_combo.append_text("44100");
 261         audio_samplerate_combo.append_text("48000");
 262         audio_samplerate_combo.set_active(2);
 263
 264         video_bitrate_combo.set_name ("PaddedButton");
 265         video_bitrate_combo.append_text("200k");
 266         video_bitrate_combo.append_text("800k");
 267         video_bitrate_combo.append_text("2000k");
 268         video_bitrate_combo.append_text("5000k");
 269         video_bitrate_combo.append_text("8000k");
 270         video_bitrate_combo.append_text("retain");
 271         video_bitrate_combo.set_active(3);
 272
 273         fps_combo.set_name ("PaddedButton");
 274         fps_combo.append_text("23.976");
 275         fps_combo.append_text("24");
 276         fps_combo.append_text("24.976");
 277         fps_combo.append_text("25");
 278         fps_combo.append_text("29.97");
 279         fps_combo.append_text("30");
 280         fps_combo.append_text("59.94");
 281         fps_combo.append_text("60");
 282         float tcfps = _session->timecode_frames_per_second();
 283         if      (fabs(tcfps - 23.976)  < 0.01) { fps_combo.set_active(0); }
 284         else if (fabs(tcfps - 24.0  )  < 0.01) { fps_combo.set_active(1); }
 285         else if (fabs(tcfps - 24.976)  < 0.01) { fps_combo.set_active(2); }
 286         else if (fabs(tcfps - 25.0  )  < 0.01) { fps_combo.set_active(3); }
 287         else if (fabs(tcfps - 29.97 )  < 0.01) { fps_combo.set_active(4); }
 288         else if (fabs(tcfps - 30.0  )  < 0.01) { fps_combo.set_active(5); }
 289         else if (fabs(tcfps - 59.94 )  < 0.01) { fps_combo.set_active(6); }
 290         else if (fabs(tcfps - 60.0  )  < 0.01) { fps_combo.set_active(7); }
 291         else { fps_combo.set_active(5); }
 292
 293         aspect_combo.set_name ("PaddedButton");
 294         aspect_combo.append_text("4:3");
 295         aspect_combo.append_text("16:9");
 296         aspect_combo.set_active(1);
 297
 298         optimizations_checkbox.set_sensitive(false);
 299         scale_checkbox_toggled();
 300         aspect_checkbox_toggled();
 301         fps_checkbox_toggled();
 302         video_codec_combo_changed();
 303
 304   vbox->pack_start (*options_box, false, true);
 305         get_vbox()->set_spacing (4);
 306         get_vbox()->pack_start (*vbox, false, false);
 307
 308         progress_box = manage (new VBox);
 309         progress_box->pack_start (pbar, false, false);
 310         progress_box->pack_start (abort_button, false, false);
 311         get_vbox()->pack_start (*progress_box, false, false);
 312
 313         scale_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::scale_checkbox_toggled));
 314         aspect_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::aspect_checkbox_toggled));
 315         fps_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportVideoDialog::fps_checkbox_toggled));
 316         preset_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::preset_combo_changed));
 317         video_codec_combo.signal_changed().connect (sigc::mem_fun (*this, &ExportVideoDialog::video_codec_combo_changed));
 318         outfn_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_outfn_dialog));
 319         invid_browse_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::open_invid_dialog));
 320         transcode_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::launch_export));
 321         abort_button.signal_clicked().connect (sigc::mem_fun (*this, &ExportVideoDialog::abort_clicked));
 322
 323         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 324         get_action_area()->pack_start (transcode_button, false, false);
 325         show_all_children ();
 326         progress_box->hide();
 327 }
 328
 329 ExportVideoDialog::~ExportVideoDialog ()
 330 {
 331         if (transcoder) { delete transcoder; transcoder = 0;}
 332 }
 333
 334 void
 335 ExportVideoDialog::on_show ()
 336 {
 337         Dialog::on_show ();
 338 }
 339
 340 void
 341 ExportVideoDialog::abort_clicked ()
 342 {
 343         aborted = true;
 344         if (transcoder) {
 345                 transcoder->cancel();
 346         }
 347 }
 348
 349 void
 350 ExportVideoDialog::update_progress (framecnt_t c, framecnt_t a)
 351 {
 352         if (a == 0 || c > a) {
 353                 pbar.set_pulse_step(.1);
 354                 pbar.pulse();
 355                 return;
 356         }
 357         pbar.set_fraction ((double)c / (double) a);
 358 }
 359
 360 void
 361 ExportVideoDialog::finished ()
 362 {
 363         if (aborted) {
 364                 unlink(outfn_path_entry.get_text().c_str());
 365                 unlink (insnd.c_str());
 366                 warning << _("Video Export Failed or Was Aborted") << endmsg;
 367                 Gtk::Dialog::response(RESPONSE_CANCEL);
 368         } else if (twopass) {
 369                 twopass = false;
 370                 if (transcoder) { delete transcoder; transcoder = 0;}
 371                 encode_pass(2);
 372         } else {
 373           if (twopass_checkbox.get_active()) {
 374                         std::string outfn = outfn_path_entry.get_text();
 375                         std::string p2log = Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 376                         unlink (p2log.c_str());
 377                 }
 378                 unlink (insnd.c_str());
 379                 Gtk::Dialog::response(RESPONSE_ACCEPT);
 380         }
 381 }
 382
 383 void
 384 ExportVideoDialog::launch_export ()
 385 {
 386         std::string outfn = outfn_path_entry.get_text();
 387         if (!confirm_video_outfn(outfn)) { return; }
 388
 389         vbox->hide();
 390         cancel_button->hide();
 391         transcode_button.hide();
 392         pbar.set_size_request(300,-1);
 393         pbar.set_text(_("Exporting Audio.."));
 394         progress_box->show();
 395         aborted = false;
 396         twopass = twopass_checkbox.get_active();
 397
 398         /* export audio track */
 399         ExportTimespanPtr tsp = _session->get_export_handler()->add_timespan();
 400         boost::shared_ptr<ExportChannelConfiguration> ccp = _session->get_export_handler()->add_channel_config();
 401         boost::shared_ptr<ARDOUR::ExportFilename> fnp = _session->get_export_handler()->add_filename();
 402         boost::shared_ptr<AudioGrapher::BroadcastInfo> b;
 403   XMLTree tree;
 404         std::string vtl_samplerate = audio_samplerate_combo.get_active_text();
 405         std::string vtl_normalize = normalize_checkbox.get_active()?"true":"false";
 406         tree.read_buffer(std::string(
 407         /* TODO: move this into a header file */
 408 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
 409 "<ExportFormatSpecification name=\"VTL-WAV-16\" id=\"3094591e-ccb9-4385-a93f-c9955ffeb1f0\">"
 410 "  <Encoding id=\"F_WAV\" type=\"T_Sndfile\" extension=\"wav\" name=\"WAV\" has-sample-format=\"true\" channel-limit=\"256\"/>"
 411 "  <SampleRate rate=\""+ vtl_samplerate +"\"/>"
 412 "  <SRCQuality quality=\"SRC_SincBest\"/>"
 413 "  <EncodingOptions>"
 414 "    <Option name=\"sample-format\" value=\"SF_16\"/>"
 415 "    <Option name=\"dithering\" value=\"D_None\"/>"
 416 "    <Option name=\"tag-metadata\" value=\"true\"/>"
 417 "    <Option name=\"tag-support\" value=\"false\"/>"
 418 "    <Option name=\"broadcast-info\" value=\"false\"/>"
 419 "  </EncodingOptions>"
 420 "  <Processing>"
 421 "    <Normalize enabled=\""+ vtl_normalize +"\" target=\"0\"/>"
 422 "    <Silence>"
 423 "      <Start>"
 424 "        <Trim enabled=\"false\"/>"
 425 "        <Add enabled=\"false\">"
 426 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 427 "        </Add>"
 428 "      </Start>"
 429 "      <End>"
 430 "        <Trim enabled=\"false\"/>"
 431 "        <Add enabled=\"false\">"
 432 "          <Duration format=\"Timecode\" hours=\"0\" minutes=\"0\" seconds=\"0\" frames=\"0\"/>"
 433 "        </Add>"
 434 "      </End>"
 435 "    </Silence>"
 436 "  </Processing>"
 437 "</ExportFormatSpecification>"
 438 ));
 439         boost::shared_ptr<ExportFormatSpecification> fmp = _session->get_export_handler()->add_format(*tree.root());
 440
 441         /* set up range */
 442         framepos_t start, end;
 443         start = end = 0;
 444         if (insnd_combo.get_active_row_number() == 1) {
 445                 transcoder = new TranscodeFfmpeg(invid_path_entry.get_text());
 446                 if (transcoder->probe_ok()) {
 447                   end = transcoder->get_duration() * _session->nominal_frame_rate() / transcoder->get_fps();
 448                 }
 449                 if (transcoder) { delete transcoder; transcoder = 0;}
 450
 451                 frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 452                 if (av_offset > 0) {
 453                         start += (av_offset / (double)_session->nominal_frame_rate());
 454                 }
 455                 end += (av_offset / (double)_session->nominal_frame_rate());
 456         }
 457         if (end <= 0) {
 458                 start = _session->current_start_frame();
 459                 end   = _session->current_end_frame();
 460         }
 461 #if 0 /* DEBUG */
 462         printf("export-range %ld -> %ld\n", start,  end);
 463 #endif
 464
 465         tsp->set_range (start, end);
 466         tsp->set_name ("mysession");
 467         tsp->set_range_id ("session");
 468
 469         /* add master outs as default */
 470         IO* master_out = _session->master_out()->output().get();
 471         if (!master_out) {
 472                 warning << _("Export Video: No Master Out Ports to Connect for Audio Export") << endmsg;
 473                 Gtk::Dialog::response(RESPONSE_CANCEL);
 474                 return;
 475         }
 476         for (uint32_t n = 0; n < master_out->n_ports().n_audio(); ++n) {
 477                 PortExportChannel * channel = new PortExportChannel ();
 478                 channel->add_port (master_out->audio (n));
 479                 ExportChannelPtr chan_ptr (channel);
 480                 ccp->register_channel (chan_ptr);
 481         }
 482
 483         /* outfile */
 484         fnp->set_timespan(tsp);
 485         fnp->set_label("vtl");
 486         fnp->include_label = true;
 487         insnd = fnp->get_path(fmp);
 488
 489         /* do sound export */
 490         _session->get_export_handler()->add_export_config (tsp, ccp, fmp, fnp, b);
 491         _session->get_export_handler()->do_export();
 492   boost::shared_ptr<ARDOUR::ExportStatus> status = _session->get_export_status ();
 493         //status->running = true;
 494
 495         float previous_progress = 0.0;
 496   while (status->running) {
 497                 if (aborted) { status->abort(); }
 498
 499                 float progress = 0.0;
 500                 if (status->normalizing) {
 501                         pbar.set_text (_("Normalizing audio"));
 502                         progress = ((float) status->current_normalize_cycle) / status->total_normalize_cycles;
 503                 } else {
 504                         pbar.set_text (_("Exporting audio"));
 505                         progress = ((float) status->processed_frames_current_timespan) / status->total_frames_current_timespan;
 506                 }
 507                 if (progress < previous_progress) {
 508                         // Work around gtk bug
 509                         pbar.hide();
 510                         pbar.show();
 511                 }
 512                 previous_progress = progress;
 513                 pbar.set_fraction (progress);
 514     if (gtk_events_pending()) {
 515       gtk_main_iteration ();
 516     } else {
 517       usleep (10000);
 518     }
 519   }
 520   if (status->aborted()) {
 521                 unlink (insnd.c_str());
 522                 Gtk::Dialog::response(RESPONSE_CANCEL);
 523                 return;
 524         }
 525         status->finish ();
 526         pbar.set_text (_("Encoding Video.."));
 527         encode_pass(1);
 528 }
 529
 530 void
 531 ExportVideoDialog::encode_pass (int pass)
 532 {
 533         std::string outfn = outfn_path_entry.get_text();
 534         std::string invid = invid_path_entry.get_text();
 535
 536         /* TODO: optimize
 537          * if (insnd_combo.get_active_row_number() == 0)
 538          * we can skip parsing the input video-file and use
 539          * new TranscodeFfmpeg("");
 540          */
 541         transcoder = new TranscodeFfmpeg(invid);
 542         if (!transcoder->ffexec_ok()) {
 543                 /* ffmpeg binary was not found.  TranscodeFfmpeg prints a warning */
 544                 unlink (insnd.c_str());
 545                 Gtk::Dialog::response(RESPONSE_CANCEL);
 546                 return;
 547         }
 548
 549         std::string preset = preset_combo.get_active_text();
 550         FFSettings ffs ; /* = transcoder->default_encoder_settings(); */
 551         ffs.clear();
 552
 553         if (fps_checkbox.get_active()) {
 554           ffs["-r"] = fps_combo.get_active_text();
 555         }
 556
 557         if (scale_checkbox.get_active()) {
 558                 ffs["-s"] = string_compose("%1x%2", width_spinner.get_value(), height_spinner.get_value());
 559         }
 560         ffs["-vcodec"] = video_codec_combo.get_active_text();
 561         ffs["-acodec"] = audio_codec_combo.get_active_text();
 562
 563         if (video_bitrate_combo.get_active_text() == "retain" ) {
 564                 ffs["-sameq"]  = "-y"; // we use '-y' as dummy parameter for non key/value options
 565         } else {
 566                 ffs["-b:v"]  = video_bitrate_combo.get_active_text();
 567         }
 568         ffs["-b:a"] = audio_bitrate_combo.get_active_text();
 569         if (video_codec_combo.get_active_text() == "x264 (hq)" ) {
 570                 ffs["-vcodec"] = "libx264";
 571                 ffs["-vpre"] = "slow";
 572         }
 573         else if (video_codec_combo.get_active_text() == "x264 (default)" ) {
 574                 ffs["-vcodec"] = "libx264";
 575                 ffs["-vpre"] = "medium";
 576         }
 577
 578         if (optimizations_checkbox.get_active()) {
 579                 /* TODO: define these smartly in a header-file so that they can be
 580                  * merged for printing as label and used here easyly
 581                  */
 582           if (video_codec_combo.get_active_text() == "mpeg2video") {
 583                         ffs["-mbd"] = "rd";
 584                         ffs["-trellis"] = "2";
 585                         ffs["-cmp"] = "2";
 586                         ffs["-subcmp"] = "2";
 587                 }
 588                 else if (video_codec_combo.get_active_text() == "mpeg4") {
 589                         ffs["-mbd"] = "rd";
 590                         ffs["-flags"] = "+4mv+aic";
 591                         ffs["-trellis"] = "2";
 592                         ffs["-cmp"] = "2";
 593                         ffs["-subcmp"] = "2";
 594                         ffs["-g"] = "300";
 595                 }
 596                 else if (video_codec_combo.get_active_text() == "flv") {
 597                         ffs["-mbd"] = "2";
 598                         ffs["-cmp"] = "2";
 599                         ffs["-subcmp"] = "2";
 600                         ffs["-trellis"] = "2";
 601                         ffs["-flags"] = "+aic+mv0+mv4";
 602                         ffs["-g"] = "160";
 603                 }
 604         }
 605
 606         if (bframes_checkbox.get_active()) {
 607                 ffs["-bf"] = "2";
 608         }
 609
 610         if (preset == "dvd-PAL") {
 611                 ffs.clear(); /* ignore all prev settings */
 612                 ffs["-target"] = "pal-dvd";
 613                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 614         }
 615         else if (preset == "dvd-NTSC") {
 616                 ffs.clear(); /* ignore all prev settings */
 617                 ffs["-target"] = "ntsc-dvd";
 618                 ffs["-aspect"] = "4:3"; /* required for DVD - may be overridden below */
 619         }
 620
 621         if (aspect_checkbox.get_active()) {
 622                 ffs["-aspect"] = aspect_combo.get_active_text();
 623         }
 624         if (deinterlace_checkbox.get_active()) {
 625                         ffs["-deinterlace"] = "-y"; // we use '-y' as dummy parameter for non key/value options
 626         }
 627
 628         bool map = true;
 629         if (pass == 1 && twopass) {
 630                 pbar.set_text (_("Encoding Video.. Pass 1/2"));
 631                 map = false;
 632                 ffs["-pass"] = "1";
 633                 ffs["-an"] = "-y";
 634                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 635                 ffs["-f"] = get_file_extension(invid).empty()?"mov":get_file_extension(invid);
 636 #ifdef _OS_WIN32
 637                 outfn = "NUL";
 638 #else
 639                 outfn = "/dev/null";
 640 #endif
 641         } else if (pass == 2) {
 642                 pbar.set_text (_("Encoding Video.. Pass 2/2"));
 643                 ffs["-pass"] = "2";
 644                 ffs["-passlogfile"] =  Glib::path_get_dirname (outfn) + G_DIR_SEPARATOR + "ffmpeg2pass";
 645         }
 646
 647         frameoffset_t av_offset = ARDOUR_UI::instance()->video_timeline->get_offset();
 648
 649         if (insnd_combo.get_active_row_number() == 0) {
 650                 framecnt_t duration_f = _session->current_end_frame() - _session->current_start_frame();
 651                 double duration_s  = (double)duration_f / (double)_session->nominal_frame_rate();
 652                 std::ostringstream osstream; osstream << duration_s;
 653                 ffs["-t"] = osstream.str();
 654                 if (fps_checkbox.get_active()) {
 655                         transcoder->set_duration(duration_s * atof(fps_combo.get_active_text()));
 656                 } else {
 657                         transcoder->set_duration(duration_s * transcoder->get_fps());
 658                 }
 659         } else {
 660                 ;
 661                 // TODO use (end-start) from above
 662                 // in case offset is negative, video will be shorter..
 663                 // CHECK; maybe this is not needed -itsoffset may take care of it
 664         }
 665
 666         if (insnd_combo.get_active_row_number() == 0) {
 667                 framepos_t start = _session->current_start_frame();
 668 #if 0
 669                 double start_s  = ((double)start / (double)_session->nominal_frame_rate());
 670                 std::ostringstream osstream; osstream << start_s;
 671                 ffs["-ss"] = osstream.str();
 672 #endif
 673                 av_offset -= start;
 674         }
 675         transcoder->set_avoffset(av_offset / (double)_session->nominal_frame_rate());
 676
 677         FFSettings meta = transcoder->default_meta_data();
 678         if (meta_checkbox.get_active()) {
 679                 ARDOUR::SessionMetadata * session_data = ARDOUR::SessionMetadata::Metadata();
 680                 if (session_data->year() > 0 ) {
 681                         std::ostringstream osstream; osstream << session_data->year();
 682                         meta["year"] = osstream.str();
 683                 }
 684                 if (session_data->track_number() > 0 ) {
 685                         std::ostringstream osstream; osstream << session_data->track_number();
 686                         meta["track"] = osstream.str();
 687                 }
 688                 if (session_data->disc_number() > 0 ) {
 689                         std::ostringstream osstream; osstream << session_data->disc_number();
 690                         meta["disc"] = osstream.str();
 691                 }
 692                 if (!session_data->title().empty())  {meta["title"] = session_data->title();}
 693                 if (!session_data->artist().empty()) {meta["author"] = session_data->artist();}
 694                 if (!session_data->album_artist().empty()) {meta["album_artist"] = session_data->album_artist();}
 695                 if (!session_data->album().empty())  {meta["album"] = session_data->album();}
 696                 if (!session_data->genre().empty())  {meta["genre"] = session_data->genre();}
 697                 if (!session_data->composer().empty())  {meta["composer"] = session_data->composer();}
 698                 if (!session_data->comment().empty())   {meta["comment"] = session_data->comment();}
 699                 if (!session_data->copyright().empty()) {meta["copyright"] = session_data->copyright();}
 700                 if (!session_data->subtitle().empty())  {meta["description"] = session_data->subtitle();}
 701         }
 702
 703 #if 1 /* tentative debug mode */
 704         if (debug_checkbox.get_active()) {
 705                 transcoder->set_debug(true);
 706         }
 707 #endif
 708
 709         transcoder->Progress.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::update_progress , this, _1, _2), gui_context());
 710         transcoder->Finished.connect(*this, invalidator (*this), boost::bind (&ExportVideoDialog::finished, this), gui_context());
 711         if (!transcoder->encode(outfn, insnd, invid, ffs, meta, map)) {
 712                 ARDOUR_UI::instance()->popup_error(_("Transcoding failed."));
 713                 Gtk::Dialog::response(RESPONSE_CANCEL);
 714                 return;
 715         }
 716 }
 717
 718 void
 719 ExportVideoDialog::change_file_extension (std::string ext)
 720 {
 721         outfn_path_entry.set_text (
 722           strip_file_extension(outfn_path_entry.get_text()) + ext
 723         );
 724 }
 725
 726 void
 727 ExportVideoDialog::scale_checkbox_toggled ()
 728 {
 729         width_spinner.set_sensitive(scale_checkbox.get_active());
 730         height_spinner.set_sensitive(scale_checkbox.get_active());
 731 }
 732
 733 void
 734 ExportVideoDialog::fps_checkbox_toggled ()
 735 {
 736         fps_combo.set_sensitive(fps_checkbox.get_active());
 737 }
 738
 739 void
 740 ExportVideoDialog::aspect_checkbox_toggled ()
 741 {
 742         aspect_combo.set_sensitive(aspect_checkbox.get_active());
 743 }
 744
 745 void
 746 ExportVideoDialog::video_codec_combo_changed ()
 747 {
 748         if ((  video_codec_combo.get_active_text() == "mpeg4"
 749              ||video_codec_combo.get_active_text() == "mpeg2video"
 750              ||video_codec_combo.get_active_text() == "flv"
 751                         ) && !(
 752                preset_combo.get_active_text() == "dvd-PAL"
 753              ||preset_combo.get_active_text() == "dvd-NTSC"
 754            )) {
 755                 bframes_checkbox.set_sensitive(true);
 756                 optimizations_checkbox.set_sensitive(true);
 757           if (video_codec_combo.get_active_text() == "mpeg2video") {
 758                         optimizations_label.set_text("-mbd rd -trellis 2 -cmp 2 -subcmp 2"); // mpeg2
 759                 } else if (video_codec_combo.get_active_text() == "mpeg4") {
 760                         optimizations_label.set_text("-mbd rd -flags +4mv+aic -trellis 2 -cmp 2 -subcmp 2 -g 300"); // mpeg4
 761                 } else {
 762                         optimizations_label.set_text("-mbd 2 -cmp 2 -subcmp 2 -trellis 2 -flags +aic+mv0+mv4 -g 160"); // flv
 763                 }
 764         } else {
 765                 bframes_checkbox.set_sensitive(false);
 766                 bframes_checkbox.set_active(false);
 767                 optimizations_checkbox.set_sensitive(false);
 768                 optimizations_checkbox.set_active(false);
 769                 optimizations_label.set_text("-");
 770         }
 771 }
 772
 773 void
 774 ExportVideoDialog::preset_combo_changed ()
 775 {
 776         std::string p = preset_combo.get_active_text();
 777         scale_checkbox.set_sensitive(true);
 778
 779         if (p == "flv") {
 780                 change_file_extension(".flv");
 781                 audio_codec_combo.set_active(1);
 782                 video_codec_combo.set_active(0);
 783                 audio_bitrate_combo.set_active(1);
 784                 video_bitrate_combo.set_active(1);
 785                 audio_samplerate_combo.set_active(1);
 786         }
 787         else if (p == "you-tube") {
 788                 change_file_extension(".avi");
 789                 audio_codec_combo.set_active(2);
 790                 video_codec_combo.set_active(5);
 791                 audio_bitrate_combo.set_active(1);
 792                 video_bitrate_combo.set_active(2);
 793                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 794                         audio_samplerate_combo.set_active(2);
 795                 } else {
 796                         audio_samplerate_combo.set_active(1);
 797                 }
 798         }
 799         else if (p == "ogg") {
 800                 change_file_extension(".ogv");
 801                 audio_codec_combo.set_active(3);
 802                 video_codec_combo.set_active(1);
 803                 audio_bitrate_combo.set_active(2);
 804                 video_bitrate_combo.set_active(2);
 805                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 806                         audio_samplerate_combo.set_active(2);
 807                 } else {
 808                         audio_samplerate_combo.set_active(1);
 809                 }
 810         }
 811         else if (p == "dvd-mp2") {
 812                 change_file_extension(".mpg");
 813                 audio_codec_combo.set_active(4);
 814                 video_codec_combo.set_active(3);
 815                 audio_bitrate_combo.set_active(3);
 816                 video_bitrate_combo.set_active(3);
 817                 audio_samplerate_combo.set_active(2);
 818         }
 819         else if (p == "dvd-NTSC" || p == "dvd-PAL") {
 820                 change_file_extension(".mpg");
 821                 audio_codec_combo.set_active(5);
 822                 video_codec_combo.set_active(3);
 823                 audio_bitrate_combo.set_active(3);
 824                 video_bitrate_combo.set_active(3);
 825                 audio_samplerate_combo.set_active(2);
 826
 827           scale_checkbox.set_active(false);
 828           scale_checkbox.set_sensitive(false);
 829         }
 830         else if (p == "mpeg4") {
 831                 change_file_extension(".mp4");
 832                 audio_codec_combo.set_active(0);
 833                 video_codec_combo.set_active(4);
 834                 audio_bitrate_combo.set_active(3);
 835                 video_bitrate_combo.set_active(3);
 836                 if (_session->nominal_frame_rate() == 48000 || _session->nominal_frame_rate() == 96000) {
 837                         audio_samplerate_combo.set_active(2);
 838                 } else {
 839                         audio_samplerate_combo.set_active(1);
 840                 }
 841         }
 842
 843         if (p == "none") {
 844                 audio_codec_combo.set_sensitive(true);
 845                 video_codec_combo.set_sensitive(true);
 846                 audio_bitrate_combo.set_sensitive(true);
 847                 video_bitrate_combo.set_sensitive(true);
 848                 audio_samplerate_combo.set_sensitive(true);
 849         } else {
 850                 audio_codec_combo.set_sensitive(false);
 851                 video_codec_combo.set_sensitive(false);
 852                 audio_bitrate_combo.set_sensitive(false);
 853                 video_bitrate_combo.set_sensitive(false);
 854                 audio_samplerate_combo.set_sensitive(false);
 855         }
 856
 857         Gtk::Table *t = (Gtk::Table*) preset_combo.get_parent();
 858         Gtk::Table_Helpers::TableList c = t->children();
 859         Gtk::Table_Helpers::TableList::iterator it;
 860         if (p == "dvd-PAL" || p == "dvd-NTSC") {
 861                 for (it = c.begin(); it != c.end(); ++it) {
 862                         int row = it->get_top_attach();
 863                         if (row ==1 || row ==2 || row==4 || row==5 || row == 8) {
 864                           it->get_widget()->hide();
 865                         }
 866                 }
 867         } else {
 868                 for (it = c.begin(); it != c.end(); ++it) {
 869                         int row = it->get_top_attach();
 870                         if (row ==1 || row ==2 || row==4 || row==5 || row == 8) {
 871                           it->get_widget()->show();
 872                         }
 873                 }
 874         }
 875
 876         video_codec_combo_changed();
 877 }
 878
 879 void
 880 ExportVideoDialog::open_outfn_dialog ()
 881 {
 882         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
 883         dialog.set_filename (outfn_path_entry.get_text());
 884
 885         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 886         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
 887
 888         int result = dialog.run();
 889
 890         if (result == Gtk::RESPONSE_OK) {
 891                 std::string filename = dialog.get_filename();
 892
 893                 if (filename.length()) {
 894                         outfn_path_entry.set_text (filename);
 895                 }
 896         }
 897 }
 898
 899 void
 900 ExportVideoDialog::open_invid_dialog ()
 901 {
 902         Gtk::FileChooserDialog dialog(_("Save Exported Video File"), Gtk::FILE_CHOOSER_ACTION_SAVE);
 903         dialog.set_filename (invid_path_entry.get_text());
 904
 905         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
 906         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
 907
 908         int result = dialog.run();
 909
 910         if (result == Gtk::RESPONSE_OK) {
 911                 std::string filename = dialog.get_filename();
 912
 913                 if (filename.length()) {
 914                         invid_path_entry.set_text (filename);
 915                 }
 916         }
 917 }
 918
 919 #endif /* WITH_VIDEOTIMELINE */