cinelerra-5.1/cinelerra/file.C

   1 /*
   2  * CINELERRA
   3  * Copyright (C) 2010 Adam Williams <broadcast at earthling dot net>
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  *
  19  */
  20
  21 #include <stdio.h>
  22 #include <stdint.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <string.h>
  26 #include <stdarg.h>
  27 #include <ctype.h>
  28 #include <limits.h>
  29 // work arounds (centos)
  30 #include <lzma.h>
  31 #ifndef INT64_MAX
  32 #define INT64_MAX 9223372036854775807LL
  33 #endif
  34
  35 #include "asset.h"
  36 #include "bchash.h"
  37 #include "bcsignals.h"
  38 #include "byteorder.h"
  39 #include "cache.inc"
  40 #include "condition.h"
  41 #include "errorbox.h"
  42 #include "fileac3.h"
  43 #include "filebase.h"
  44 #include "filecr2.h"
  45 #include "filedb.h"
  46 #include "filedv.h"
  47 #include "fileexr.h"
  48 #include "fileffmpeg.h"
  49 #include "fileflac.h"
  50 #include "filegif.h"
  51 #include "file.h"
  52 #include "filejpeg.h"
  53 #include "filempeg.h"
  54 #undef HAVE_STDLIB_H // automake conflict
  55 #include "fileogg.h"
  56 #include "filepng.h"
  57 #include "fileppm.h"
  58 #include "filescene.h"
  59 #include "filesndfile.h"
  60 #include "filetga.h"
  61 #include "filethread.h"
  62 #include "filetiff.h"
  63 #include "filevorbis.h"
  64 #include "filexml.h"
  65 #include "formatwindow.h"
  66 #include "formattools.h"
  67 #include "framecache.h"
  68 #include "language.h"
  69 #include "mainprogress.inc"
  70 #include "mutex.h"
  71 #include "mwindow.h"
  72 #include "packagingengine.h"
  73 #include "pluginserver.h"
  74 #include "preferences.h"
  75 #include "probeprefs.h"
  76 #include "samples.h"
  77 #include "vframe.h"
  78
  79 //static int temp_debug = 0;
  80 //suppress noref warning
  81 void *vorbis0_ov_callbacks[] = {
  82  &OV_CALLBACKS_DEFAULT, &OV_CALLBACKS_NOCLOSE,
  83  &OV_CALLBACKS_STREAMONLY, &OV_CALLBACKS_STREAMONLY_NOCLOSE,
  84 };
  85
  86 File::File()
  87 {
  88         cpus = 1;
  89         asset = new Asset;
  90         format_completion = new Condition(1, "File::format_completion");
  91         write_lock = new Condition(1, "File::write_lock");
  92         frame_cache = new FrameCache;
  93         reset_parameters();
  94 }
  95
  96 File::~File()
  97 {
  98         if( getting_options ) {
  99                 if( format_window ) format_window->set_done(0);
 100                 format_completion->lock("File::~File");
 101                 format_completion->unlock();
 102         }
 103
 104         if( temp_frame ) {
 105 //printf("File::~File %d temp_debug=%d\n", __LINE__, --temp_debug);
 106                 delete temp_frame;
 107         }
 108
 109         close_file(0);
 110
 111         asset->Garbage::remove_user();
 112         delete format_completion;
 113         delete write_lock;
 114         delete frame_cache;
 115 }
 116
 117 void File::reset_parameters()
 118 {
 119         file = 0;
 120         audio_thread = 0;
 121         video_thread = 0;
 122         getting_options = 0;
 123         format_window = 0;
 124         temp_frame = 0;
 125         current_sample = 0;
 126         current_frame = 0;
 127         current_channel = 0;
 128         current_program = 0;
 129         current_layer = 0;
 130         normalized_sample = 0;
 131         use_cache = 0;
 132         preferences = 0;
 133         playback_subtitle = -1;
 134         interpolate_raw = 1;
 135
 136
 137         temp_samples_buffer = 0;
 138         temp_frame_buffer = 0;
 139         current_frame_buffer = 0;
 140         audio_ring_buffers = 0;
 141         video_ring_buffers = 0;
 142         video_buffer_size = 0;
 143 }
 144
 145 int File::raise_window()
 146 {
 147         if( getting_options && format_window ) {
 148                 format_window->raise_window();
 149                 format_window->flush();
 150         }
 151         return 0;
 152 }
 153
 154 void File::close_window()
 155 {
 156         if( getting_options ) {
 157                 format_window->lock_window("File::close_window");
 158                 format_window->set_done(1);
 159                 format_window->unlock_window();
 160                 getting_options = 0;
 161         }
 162 }
 163
 164 int File::get_options(FormatTools *format,
 165         int audio_options, int video_options)
 166 {
 167         BC_WindowBase *parent_window = format->window;
 168         Asset *asset = format->asset;
 169         EDL *edl = format->mwindow ? format->mwindow->edl : 0;
 170         format_window = 0;
 171         getting_options = 1;
 172         format_completion->lock("File::get_options");
 173         switch( asset->format ) {
 174 #ifdef HAVE_CIN_3RDPARTY
 175         case FILE_AC3: FileAC3::get_parameters(parent_window, asset, format_window,
 176                         audio_options, video_options, edl);
 177                 break;
 178 #endif
 179 #ifdef HAVE_DV
 180         case FILE_RAWDV:
 181                 FileDV::get_parameters(parent_window, asset, format_window,
 182                         audio_options, video_options, edl);
 183                 break;
 184 #endif
 185         case FILE_PCM:
 186         case FILE_WAV:
 187         case FILE_AU:
 188         case FILE_AIFF:
 189         case FILE_SND:
 190                 FileSndFile::get_parameters(parent_window, asset, format_window,
 191                         audio_options, video_options, edl);
 192                 break;
 193         case FILE_FFMPEG:
 194                 FileFFMPEG::get_parameters(parent_window, asset, format_window,
 195                         audio_options, video_options, edl);
 196                 break;
 197 #ifdef HAVE_LIBZMPEG
 198         case FILE_AMPEG:
 199         case FILE_VMPEG:
 200                 FileMPEG::get_parameters(parent_window, asset, format_window,
 201                         audio_options, video_options, edl);
 202                 break;
 203 #endif
 204         case FILE_JPEG:
 205         case FILE_JPEG_LIST:
 206                 FileJPEG::get_parameters(parent_window, asset, format_window,
 207                         audio_options, video_options, edl);
 208                 break;
 209 #ifdef HAVE_OPENEXR
 210         case FILE_EXR:
 211         case FILE_EXR_LIST:
 212                 FileEXR::get_parameters(parent_window, asset, format_window,
 213                         audio_options, video_options, edl);
 214                 break;
 215 #endif
 216         case FILE_FLAC:
 217                 FileFLAC::get_parameters(parent_window, asset, format_window,
 218                         audio_options, video_options, edl);
 219                 break;
 220         case FILE_PNG:
 221         case FILE_PNG_LIST:
 222                 FilePNG::get_parameters(parent_window, asset, format_window,
 223                         audio_options, video_options, edl);
 224                 break;
 225         case FILE_PPM:
 226         case FILE_PPM_LIST:
 227                 FilePPM::get_parameters(parent_window, asset, format_window,
 228                         audio_options, video_options, edl);
 229                 break;
 230         case FILE_TGA:
 231         case FILE_TGA_LIST:
 232                 FileTGA::get_parameters(parent_window, asset, format_window,
 233                         audio_options, video_options, edl);
 234                 break;
 235         case FILE_TIFF:
 236         case FILE_TIFF_LIST:
 237                 FileTIFF::get_parameters(parent_window, asset, format_window,
 238                         audio_options, video_options, edl);
 239                 break;
 240         case FILE_OGG:
 241                 FileOGG::get_parameters(parent_window, asset, format_window,
 242                         audio_options, video_options, edl);
 243                 break;
 244         default:
 245                 break;
 246         }
 247
 248         if( !format_window ) {
 249                 ErrorBox *errorbox = new ErrorBox(_(PROGRAM_NAME ": Error"),
 250                         parent_window->get_abs_cursor_x(1),
 251                         parent_window->get_abs_cursor_y(1));
 252                 format_window = errorbox;
 253                 getting_options = 1;
 254                 if( audio_options )
 255                         errorbox->create_objects(_("This format doesn't support audio."));
 256                 else
 257                 if( video_options )
 258                         errorbox->create_objects(_("This format doesn't support video."));
 259                 errorbox->run_window();
 260                 delete errorbox;
 261         }
 262
 263         getting_options = 0;
 264         format_window = 0;
 265         format_completion->unlock();
 266         return 0;
 267 }
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278 int File::set_processors(int cpus)   // Set the number of cpus for certain codecs
 279 {
 280         if( cpus > 8 )          // mpegvideo max_threads = 16, more causes errs
 281                 cpus = 8;       //  8 cpus ought to decode just about anything
 282 // Set all instances so gets work.
 283         this->cpus = cpus;
 284
 285         return 0;
 286 }
 287
 288 int File::set_preload(int64_t size)
 289 {
 290         this->playback_preload = size;
 291         return 0;
 292 }
 293
 294 void File::set_subtitle(int value)
 295 {
 296         this->playback_subtitle = value;
 297         if( file ) file->set_subtitle(value);
 298 }
 299
 300 void File::set_interpolate_raw(int value)
 301 {
 302         this->interpolate_raw = value;
 303 }
 304
 305 void File::set_white_balance_raw(int value)
 306 {
 307         this->white_balance_raw = value;
 308 }
 309
 310 void File::set_cache_frames(int value)
 311 {
 312 // caching only done locally
 313         if( !video_thread )
 314                 use_cache = value;
 315 }
 316
 317 int File::purge_cache()
 318 {
 319 // caching only done locally
 320         int result = 0;
 321         if( frame_cache->cache_items() > 0 ) {
 322                 frame_cache->remove_all();
 323                 result = 1;
 324         }
 325         return result;
 326 }
 327
 328 int File::delete_oldest()
 329 {
 330 // return the number of bytes freed
 331         return frame_cache->delete_oldest();
 332 }
 333
 334 // file driver in order of probe precidence
 335 //  can be reordered in preferences->interface
 336 const char *File::default_probes[] = {
 337         "FFMPEG_Early",
 338         "Scene",
 339         "DB",
 340 #ifdef HAVE_DV
 341         "DV",
 342 #endif
 343         "SndFile",
 344         "PNG",
 345         "PPM",
 346         "JPEG",
 347         "GIF",
 348 #ifdef HAVE_OPENEXR
 349         "EXR",
 350 #endif
 351         "FLAC",
 352         "CR2",
 353         "TGA",
 354         "TIFF",
 355         "OGG",
 356         "Vorbis",
 357         "MPEG",
 358         "EDL",
 359         "FFMPEG_Late",
 360 };
 361 const int File::nb_probes =
 362         sizeof(File::default_probes)/sizeof(File::default_probes[0]);
 363
 364
 365 int File::probe()
 366 {
 367         FILE *fp = fopen(this->asset->path, "rb");
 368         if( !fp ) return FILE_NOT_FOUND;
 369         char data[16];
 370         memset(data,0,sizeof(data));
 371         int ret = fread(data, 1, 16, fp);
 372         fclose(fp);
 373         if( !ret ) return FILE_NOT_FOUND;
 374
 375         for( int i=0; i<preferences->file_probes.size(); ++i ) {
 376                 ProbePref *pref = preferences->file_probes[i];
 377                 if( !pref->armed ) continue;
 378                 if( !strncmp(pref->name,"FFMPEG",6) ) { // FFMPEG Early/Late
 379                         if( !FileFFMPEG::check_sig(this->asset) ) continue;
 380                         file = new FileFFMPEG(this->asset, this);
 381                         return FILE_OK;
 382                 }
 383 #ifdef HAVE_COMMERCIAL
 384                 if( !strcmp(pref->name,"DB") ) { // MediaDB
 385                         if( !FileDB::check_sig(this->asset) ) continue;
 386                         file = new FileDB(this->asset, this);
 387                         return FILE_OK;
 388                 }
 389 #endif
 390                 if( !strcmp(pref->name,"Scene") ) { // scene file
 391                         if( !FileScene::check_sig(this->asset, data)) continue;
 392                         file = new FileScene(this->asset, this);
 393                         return FILE_OK;
 394                 }
 395 #ifdef HAVE_DV
 396                 if( !strcmp(pref->name,"DV") ) { // libdv
 397                         if( !FileDV::check_sig(this->asset) ) continue;
 398                         file = new FileDV(this->asset, this);
 399                         return FILE_OK;
 400                 }
 401 #endif
 402                 if( !strcmp(pref->name,"SndFile") ) { // libsndfile
 403                         if( !FileSndFile::check_sig(this->asset) ) continue;
 404                         file = new FileSndFile(this->asset, this);
 405                         return FILE_OK;
 406                 }
 407                 if( !strcmp(pref->name,"PNG") ) { // PNG file
 408                         if( !FilePNG::check_sig(this->asset) ) continue;
 409                         file = new FilePNG(this->asset, this);
 410                         return FILE_OK;
 411                 }
 412                 if( !strcmp(pref->name,"PPM") ) { // PPM file
 413                         if( !FilePPM::check_sig(this->asset) ) continue;
 414                         file = new FilePPM(this->asset, this);
 415                         return FILE_OK;
 416                 }
 417                 if( !strcmp(pref->name,"JPEG") ) { // JPEG file
 418                         if( !FileJPEG::check_sig(this->asset) ) continue;
 419                         file = new FileJPEG(this->asset, this);
 420                         return FILE_OK;
 421                 }
 422                 if( !strcmp(pref->name,"GIF") ) { // GIF file
 423                         if( !FileGIF::check_sig(this->asset)) continue;
 424                         file = new FileGIF(this->asset, this);
 425                         return FILE_OK;
 426                 }
 427 #ifdef HAVE_EXR
 428                 if( !strcmp(pref->name,"EXR") ) { // EXR file
 429                         if( !FileEXR::check_sig(this->asset, data)) continue;
 430                         file = new FileEXR(this->asset, this);
 431                         return FILE_OK;
 432                 }
 433 #endif
 434                 if( !strcmp(pref->name,"FLAC") ) { // FLAC file
 435                         if( !FileFLAC::check_sig(this->asset, data)) continue;
 436                         file = new FileFLAC(this->asset, this);
 437                         return FILE_OK;
 438                 }
 439                 if( !strcmp(pref->name,"CR2") ) { // CR2 file
 440                         if( !FileCR2::check_sig(this->asset)) continue;
 441                         file = new FileCR2(this->asset, this);
 442                         return FILE_OK;
 443                 }
 444                 if( !strcmp(pref->name,"TGA") ) { // TGA file
 445                         if( !FileTGA::check_sig(this->asset) ) continue;
 446                         file = new FileTGA(this->asset, this);
 447                         return FILE_OK;
 448                 }
 449                 if( !strcmp(pref->name,"TIFF") ) { // TIFF file
 450                         if( !FileTIFF::check_sig(this->asset) ) continue;
 451                         file = new FileTIFF(this->asset, this);
 452                         return FILE_OK;
 453                 }
 454                 if( !strcmp(pref->name,"OGG") ) { // OGG file
 455                         if( !FileOGG::check_sig(this->asset) ) continue;
 456                         file = new FileOGG(this->asset, this);
 457                         return FILE_OK;
 458                 }
 459                 if( !strcmp(pref->name,"Vorbis") ) { // VorbisFile file
 460                         if( !FileVorbis::check_sig(this->asset) ) continue;
 461                         file = new FileVorbis(this->asset, this);
 462                         return FILE_OK;
 463                 }
 464 #ifdef HAVE_LIBZMPEG
 465                 if( !strcmp(pref->name,"MPEG") ) { // MPEG file
 466                         if( !FileMPEG::check_sig(this->asset) ) continue;
 467                         file = new FileMPEG(this->asset, this);
 468                         return FILE_OK;
 469                 }
 470 #endif
 471                 if( !strcmp(pref->name,"EDL") ) { // XML file
 472                         if( data[0] != '<' ) continue;
 473                         if( !strncmp(&data[1],"EDL>",4) ||
 474                             !strncmp(&data[1],"HTAL>",5) ||
 475                             !strncmp(&data[1],"?xml",4) )
 476                                 return FILE_IS_XML;
 477                 }
 478         }
 479         return FILE_UNRECOGNIZED_CODEC; // maybe PCM file ?
 480 }
 481
 482 int File::open_file(Preferences *preferences,
 483         Asset *asset,
 484         int rd,
 485         int wr)
 486 {
 487         const int debug = 0;
 488
 489         this->preferences = preferences;
 490         this->asset->copy_from(asset, 1);
 491         this->rd = rd;
 492         this->wr = wr;
 493         file = 0;
 494
 495         if( debug ) printf("File::open_file %p %d\n", this, __LINE__);
 496
 497         switch( this->asset->format ) {
 498 // get the format now
 499 // If you add another format to case 0, you also need to add another case for the
 500 // file format #define.
 501         case FILE_UNKNOWN: {
 502                 int ret = probe();
 503                 if( ret != FILE_OK ) return ret;
 504                 break; }
 505 // format already determined
 506 #ifdef HAVE_CIN_3RDPARTY
 507         case FILE_AC3:
 508                 file = new FileAC3(this->asset, this);
 509                 break;
 510 #endif
 511         case FILE_SCENE:
 512                 file = new FileScene(this->asset, this);
 513                 break;
 514
 515         case FILE_FFMPEG:
 516                 file = new FileFFMPEG(this->asset, this);
 517                 break;
 518
 519         case FILE_PCM:
 520         case FILE_WAV:
 521         case FILE_AU:
 522         case FILE_AIFF:
 523         case FILE_SND:
 524 //printf("File::open_file 1\n");
 525                 file = new FileSndFile(this->asset, this);
 526                 break;
 527
 528         case FILE_PNG:
 529         case FILE_PNG_LIST:
 530                 file = new FilePNG(this->asset, this);
 531                 break;
 532
 533         case FILE_PPM:
 534         case FILE_PPM_LIST:
 535                 file = new FilePPM(this->asset, this);
 536                 break;
 537
 538         case FILE_JPEG:
 539         case FILE_JPEG_LIST:
 540                 file = new FileJPEG(this->asset, this);
 541                 break;
 542
 543         case FILE_GIF:
 544         case FILE_GIF_LIST:
 545                 file = new FileGIF(this->asset, this);
 546                 break;
 547 #ifdef HAVE_OPENEXR
 548         case FILE_EXR:
 549         case FILE_EXR_LIST:
 550                 file = new FileEXR(this->asset, this);
 551                 break;
 552 #endif
 553         case FILE_FLAC:
 554                 file = new FileFLAC(this->asset, this);
 555                 break;
 556
 557         case FILE_CR2:
 558         case FILE_CR2_LIST:
 559                 file = new FileCR2(this->asset, this);
 560                 break;
 561
 562         case FILE_TGA_LIST:
 563         case FILE_TGA:
 564                 file = new FileTGA(this->asset, this);
 565                 break;
 566
 567         case FILE_TIFF:
 568         case FILE_TIFF_LIST:
 569                 file = new FileTIFF(this->asset, this);
 570                 break;
 571 #ifdef HAVE_COMMERCIAL
 572         case FILE_DB:
 573                 file = new FileDB(this->asset, this);
 574                 break;
 575 #endif
 576
 577 #ifdef HAVE_LIBZMPEG
 578         case FILE_MPEG:
 579         case FILE_AMPEG:
 580         case FILE_VMPEG:
 581                 file = new FileMPEG(this->asset, this);
 582                 break;
 583 #endif
 584         case FILE_OGG:
 585                 file = new FileOGG(this->asset, this);
 586                 break;
 587
 588         case FILE_VORBIS:
 589                 file = new FileVorbis(this->asset, this);
 590                 break;
 591 #ifdef HAVE_DV
 592         case FILE_RAWDV:
 593                 file = new FileDV(this->asset, this);
 594                 break;
 595 #endif
 596 // try plugins
 597         default:
 598                 return 1;
 599                 break;
 600         }
 601
 602
 603 // Reopen file with correct parser and get header.
 604         if( file->open_file(rd, wr) ) {
 605                 delete file;  file = 0;
 606                 return FILE_NOT_FOUND;
 607         }
 608
 609
 610
 611 // Set extra writing parameters to mandatory settings.
 612         if( wr ) {
 613                 if( this->asset->dither ) file->set_dither();
 614         }
 615
 616         if( rd ) {
 617 // one frame image file, not brender, no specific length
 618                 if( !this->asset->audio_data && this->asset->use_header &&
 619                     this->asset->video_data && !this->asset->single_frame &&
 620                     this->asset->video_length >= 0 && this->asset->video_length <= 1 ) {
 621                         this->asset->single_frame = 1;
 622                         this->asset->video_length = -1;
 623                 }
 624         }
 625
 626 // Synchronize header parameters
 627         asset->copy_from(this->asset, 1);
 628 //asset->dump();
 629
 630         if( debug ) printf("File::open_file %d file=%p\n", __LINE__, file);
 631 // sleep(1);
 632
 633         return FILE_OK;
 634 }
 635
 636 void File::delete_temp_samples_buffer()
 637 {
 638
 639         if( temp_samples_buffer ) {
 640                 for( int j = 0; j < audio_ring_buffers; j++ ) {
 641                         for( int i = 0; i < asset->channels; i++ ) {
 642                                 delete temp_samples_buffer[j][i];
 643                         }
 644                         delete [] temp_samples_buffer[j];
 645                 }
 646
 647                 delete [] temp_samples_buffer;
 648                 temp_samples_buffer = 0;
 649                 audio_ring_buffers = 0;
 650         }
 651 }
 652
 653 void File::delete_temp_frame_buffer()
 654 {
 655
 656         if( temp_frame_buffer ) {
 657                 for( int k = 0; k < video_ring_buffers; k++ ) {
 658                         for( int i = 0; i < asset->layers; i++ ) {
 659                                 for( int j = 0; j < video_buffer_size; j++ ) {
 660                                         delete temp_frame_buffer[k][i][j];
 661                                 }
 662                                 delete [] temp_frame_buffer[k][i];
 663                         }
 664                         delete [] temp_frame_buffer[k];
 665                 }
 666
 667                 delete [] temp_frame_buffer;
 668                 temp_frame_buffer = 0;
 669                 video_ring_buffers = 0;
 670                 video_buffer_size = 0;
 671         }
 672 }
 673
 674 int File::close_file(int ignore_thread)
 675 {
 676         const int debug = 0;
 677
 678         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 679
 680         if( !ignore_thread ) {
 681                 stop_audio_thread();
 682                 stop_video_thread();
 683         }
 684
 685
 686         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 687         if( file ) {
 688 // The file's asset is a copy of the argument passed to open_file so the
 689 // user must copy lengths from the file's asset.
 690                 if( asset && wr ) {
 691                         asset->audio_length = current_sample;
 692                         asset->video_length = current_frame;
 693                 }
 694
 695                 file->close_file();
 696                 delete file;
 697         }
 698         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 699
 700         delete_temp_samples_buffer();
 701         delete_temp_frame_buffer();
 702         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 703
 704         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 705
 706         reset_parameters();
 707         if( debug ) printf("File::close_file file=%p %d\n", file, __LINE__);
 708         return 0;
 709 }
 710
 711
 712
 713 int File::get_index(IndexFile *index_file, MainProgressBar *progress_bar)
 714 {
 715         return !file ? -1 : file->get_index(index_file, progress_bar);
 716 }
 717
 718
 719
 720 int File::start_audio_thread(int buffer_size, int ring_buffers)
 721 {
 722         this->audio_ring_buffers = ring_buffers;
 723
 724
 725         if( !audio_thread ) {
 726                 audio_thread = new FileThread(this, 1, 0);
 727                 audio_thread->start_writing(buffer_size, 0, ring_buffers, 0);
 728         }
 729         return 0;
 730 }
 731
 732 int File::start_video_thread(int buffer_size,
 733         int color_model,
 734         int ring_buffers,
 735         int compressed)
 736 {
 737         this->video_ring_buffers = ring_buffers;
 738         this->video_buffer_size = buffer_size;
 739
 740         if( !video_thread ) {
 741                 video_thread = new FileThread(this, 0, 1);
 742                 video_thread->start_writing(buffer_size,
 743                         color_model,
 744                         ring_buffers,
 745                         compressed);
 746         }
 747         return 0;
 748 }
 749
 750 int File::start_video_decode_thread()
 751 {
 752 // Currently, CR2 is the only one which won't work asynchronously, so
 753 // we're not using a virtual function yet.
 754         if( !video_thread /* && asset->format != FILE_CR2 */ ) {
 755                 video_thread = new FileThread(this, 0, 1);
 756                 video_thread->start_reading();
 757                 use_cache = 0;
 758         }
 759         return 0;
 760 }
 761
 762 int File::stop_audio_thread()
 763 {
 764         if( audio_thread ) {
 765                 audio_thread->stop_writing();
 766                 delete audio_thread;
 767                 audio_thread = 0;
 768         }
 769         return 0;
 770 }
 771
 772 int File::stop_video_thread()
 773 {
 774         if( video_thread ) {
 775                 video_thread->stop_reading();
 776                 video_thread->stop_writing();
 777                 delete video_thread;
 778                 video_thread = 0;
 779         }
 780         return 0;
 781 }
 782
 783 FileThread* File::get_video_thread()
 784 {
 785         return video_thread;
 786 }
 787
 788 int File::set_channel(int channel)
 789 {
 790         if( file && channel < asset->channels ) {
 791                 current_channel = channel;
 792                 return 0;
 793         }
 794         else
 795                 return 1;
 796 }
 797
 798 int File::get_channel()
 799 {
 800         return current_channel;
 801 }
 802
 803 // if no>=0, sets new program
 804 //  returns current program
 805 int File::set_program(int no)
 806 {
 807         int result = file ? file->set_program(no) : current_program;
 808         current_program = no < 0 ? result : no;
 809         return result;
 810 }
 811
 812 int File::get_cell_time(int no, double &time)
 813 {
 814         return file ? file->get_cell_time(no, time) : -1;
 815 }
 816
 817 int File::get_system_time(int64_t &tm)
 818 {
 819         return file ? file->get_system_time(tm) : -1;
 820 }
 821
 822 int File::get_audio_for_video(int vstream, int astream, int64_t &channel_mask)
 823 {
 824         return file ? file->get_audio_for_video(vstream, astream, channel_mask) : -1;
 825 }
 826
 827 int File::get_video_pid(int track)
 828 {
 829         return file ? file->get_video_pid(track) : -1;
 830 }
 831
 832
 833
 834 int File::get_video_info(int track, int &pid, double &framerate,
 835                 int &width, int &height, char *title)
 836 {
 837         return !file ? -1 :
 838                  file->get_video_info(track, pid, framerate, width, height, title);
 839 }
 840
 841 int File::select_video_stream(Asset *asset, int vstream)
 842 {
 843         return !file ? -1 :
 844                  file->select_video_stream(asset, vstream);
 845 }
 846
 847 int File::select_audio_stream(Asset *asset, int astream)
 848 {
 849         return !file ? -1 :
 850                  file->select_audio_stream(asset, astream);
 851 }
 852
 853
 854 int File::get_thumbnail(int stream,
 855         int64_t &position, unsigned char *&thumbnail, int &ww, int &hh)
 856 {
 857         return file->get_thumbnail(stream, position, thumbnail, ww, hh);
 858 }
 859
 860 int File::set_skimming(int track, int skim, skim_fn fn, void *vp)
 861 {
 862         return file->set_skimming(track, skim, fn, vp);
 863 }
 864
 865 int File::skim_video(int track, void *vp, skim_fn fn)
 866 {
 867         return file->skim_video(track, vp, fn);
 868 }
 869
 870
 871 int File::set_layer(int layer, int is_thread)
 872 {
 873         if( file && layer < asset->layers ) {
 874                 if( !is_thread && video_thread ) {
 875                         video_thread->set_layer(layer);
 876                 }
 877                 else {
 878                         current_layer = layer;
 879                 }
 880                 return 0;
 881         }
 882         else
 883                 return 1;
 884 }
 885
 886 int64_t File::get_audio_length()
 887 {
 888         int64_t result = asset->audio_length;
 889         int64_t base_samplerate = -1;
 890         if( result > 0 ) {
 891                 if( base_samplerate > 0 )
 892                         return (int64_t)((double)result / asset->sample_rate * base_samplerate + 0.5);
 893                 else
 894                         return result;
 895         }
 896         else
 897                 return -1;
 898 }
 899
 900 int64_t File::get_video_length()
 901 {
 902         int64_t result = asset->video_length;
 903         float base_framerate = -1;
 904         if( result > 0 ) {
 905                 if( base_framerate > 0 )
 906                         return (int64_t)((double)result / asset->frame_rate * base_framerate + 0.5);
 907                 else
 908                         return result;
 909         }
 910         else
 911                 return -1;  // infinity
 912 }
 913
 914
 915 int64_t File::get_video_position()
 916 {
 917         float base_framerate = -1;
 918         if( base_framerate > 0 )
 919                 return (int64_t)((double)current_frame / asset->frame_rate * base_framerate + 0.5);
 920         else
 921                 return current_frame;
 922 }
 923
 924 int64_t File::get_audio_position()
 925 {
 926 //      int64_t base_samplerate = -1;
 927 //      if( base_samplerate > 0 )
 928 //      {
 929 //              if( normalized_sample_rate == base_samplerate )
 930 //                      return normalized_sample;
 931 //              else
 932 //                      return (int64_t)((double)current_sample /
 933 //                              asset->sample_rate *
 934 //                              base_samplerate +
 935 //                              0.5);
 936 //      }
 937 //      else
 938                 return current_sample;
 939 }
 940
 941
 942
 943 int File::set_audio_position(int64_t position)
 944 {
 945         int result = 0;
 946
 947         if( !file ) return 1;
 948
 949 #define REPOSITION(x, y) \
 950         (labs((x) - (y)) > 1)
 951
 952         float base_samplerate = asset->sample_rate;
 953         current_sample = normalized_sample = position;
 954
 955 // printf("File::set_audio_position %d normalized_sample=%ld\n",
 956 // __LINE__,
 957 // normalized_sample);
 958                 result = file->set_audio_position(current_sample);
 959
 960                 if( result )
 961                         printf("File::set_audio_position position=%jd"
 962                                 " base_samplerate=%f asset=%p asset->sample_rate=%d\n",
 963                                 position, base_samplerate, asset, asset->sample_rate);
 964
 965 //printf("File::set_audio_position %d %d %d\n", current_channel, current_sample, position);
 966
 967         return result;
 968 }
 969
 970 int File::set_video_position(int64_t position,
 971         int is_thread)
 972 {
 973         int result = 0;
 974         if( !file ) return 0;
 975
 976 // Convert to file's rate
 977 //      if( base_framerate > 0 )
 978 //              position = (int64_t)((double)position /
 979 //                      base_framerate *
 980 //                      asset->frame_rate +
 981 //                      0.5);
 982
 983
 984         if( video_thread && !is_thread ) {
 985 // Call thread.  Thread calls this again to set the file state.
 986                 video_thread->set_video_position(position);
 987         }
 988         else
 989         if( current_frame != position ) {
 990                 if( file ) {
 991                         current_frame = position;
 992                         result = file->set_video_position(current_frame);
 993                 }
 994         }
 995
 996         return result;
 997 }
 998
 999 // No resampling here.
1000 int File::write_samples(Samples **buffer, int64_t len)
1001 {
1002         int result = 1;
1003
1004         if( file ) {
1005                 write_lock->lock("File::write_samples");
1006
1007 // Convert to arrays for backwards compatability
1008                 double *temp[asset->channels];
1009                 for( int i = 0; i < asset->channels; i++ ) {
1010                         temp[i] = buffer[i]->get_data();
1011                 }
1012
1013                 result = file->write_samples(temp, len);
1014                 current_sample += len;
1015                 normalized_sample += len;
1016                 asset->audio_length += len;
1017                 write_lock->unlock();
1018         }
1019         return result;
1020 }
1021
1022
1023
1024
1025
1026 // Can't put any cmodel abstraction here because the filebase couldn't be
1027 // parallel.
1028 int File::write_frames(VFrame ***frames, int len)
1029 {
1030 //printf("File::write_frames %d\n", __LINE__);
1031 //PRINT_TRACE
1032 // Store the counters in temps so the filebase can choose to overwrite them.
1033         int result;
1034         int current_frame_temp = current_frame;
1035         int video_length_temp = asset->video_length;
1036
1037         write_lock->lock("File::write_frames");
1038
1039 //PRINT_TRACE
1040         result = file->write_frames(frames, len);
1041 //PRINT_TRACE
1042
1043         current_frame = current_frame_temp + len;
1044         asset->video_length = video_length_temp + len;
1045         write_lock->unlock();
1046 //PRINT_TRACE
1047         return result;
1048 }
1049
1050 // Only called by FileThread
1051 int File::write_compressed_frame(VFrame *buffer)
1052 {
1053         int result = 0;
1054         write_lock->lock("File::write_compressed_frame");
1055         result = file->write_compressed_frame(buffer);
1056         current_frame++;
1057         asset->video_length++;
1058         write_lock->unlock();
1059         return result;
1060 }
1061
1062
1063 int File::write_audio_buffer(int64_t len)
1064 {
1065         int result = 0;
1066         if( audio_thread ) {
1067                 result = audio_thread->write_buffer(len);
1068         }
1069         return result;
1070 }
1071
1072 int File::write_video_buffer(int64_t len)
1073 {
1074         int result = 0;
1075         if( video_thread ) {
1076                 result = video_thread->write_buffer(len);
1077         }
1078
1079         return result;
1080 }
1081
1082 Samples** File::get_audio_buffer()
1083 {
1084         if( audio_thread ) return audio_thread->get_audio_buffer();
1085         return 0;
1086 }
1087
1088 VFrame*** File::get_video_buffer()
1089 {
1090         if( video_thread ) {
1091                 VFrame*** result = video_thread->get_video_buffer();
1092
1093                 return result;
1094         }
1095
1096         return 0;
1097 }
1098
1099
1100 int File::read_samples(Samples *samples, int64_t len)
1101 {
1102 // Never try to read more samples than exist in the file
1103         if( asset->audio_length >= 0 && current_sample + len > asset->audio_length ) {
1104                 len = asset->audio_length - current_sample;
1105         }
1106         if( len <= 0 ) return 0;
1107
1108         int result = 0;
1109         const int debug = 0;
1110         if( debug ) PRINT_TRACE
1111
1112         if( debug ) PRINT_TRACE
1113
1114         double *buffer = samples->get_data();
1115
1116         int64_t base_samplerate = asset->sample_rate;
1117
1118         if( file ) {
1119 // Resample recursively calls this with the asset sample rate
1120                 if( base_samplerate == 0 ) base_samplerate = asset->sample_rate;
1121
1122                 if( debug ) PRINT_TRACE
1123                 result = file->read_samples(buffer, len);
1124
1125                 if( debug ) PRINT_TRACE
1126                 current_sample += len;
1127
1128                 normalized_sample += len;
1129         }
1130         if( debug ) PRINT_TRACE
1131
1132         return result;
1133 }
1134
1135 int File::read_frame(VFrame *frame, int is_thread)
1136 {
1137         const int debug = 0;
1138 //printf("File::read_frame pos=%jd cache=%d 1frame=%d\n",
1139 // current_frame, use_cache, asset->single_frame);
1140         if( video_thread && !is_thread ) return video_thread->read_frame(frame);
1141         if( !file ) return 1;
1142         if( debug ) PRINT_TRACE
1143         int result = 0;
1144         int supported_colormodel = colormodel_supported(frame->get_color_model());
1145         int advance_position = 1;
1146         int cache_active = use_cache || asset->single_frame ? 1 : 0;
1147         int64_t cache_position = !asset->single_frame ? current_frame : -1;
1148
1149 // Test cache
1150         if( cache_active && frame_cache->get_frame(frame, cache_position,
1151                         current_layer, asset->frame_rate) ) {
1152 // Can't advance position if cache used.
1153 //printf("File::read_frame %d\n", __LINE__);
1154                 advance_position = 0;
1155         }
1156 // Need temp
1157         else if( frame->get_color_model() != BC_COMPRESSED &&
1158                 (supported_colormodel != frame->get_color_model() ||
1159                 (!file->can_scale_input() &&
1160                         (frame->get_w() != asset->width ||
1161                          frame->get_h() != asset->height))) ) {
1162
1163 //                      printf("File::read_frame %d\n", __LINE__);
1164 // Can't advance position here because it needs to be added to cache
1165                 if( temp_frame ) {
1166                         if( !temp_frame->params_match(asset->width, asset->height, supported_colormodel) ) {
1167                                 delete temp_frame;
1168                                 temp_frame = 0;
1169                         }
1170                 }
1171
1172                 if( !temp_frame ) {
1173                         temp_frame = new VFrame(asset->width, asset->height, supported_colormodel, 0);
1174                 }
1175
1176 //                      printf("File::read_frame %d\n", __LINE__);
1177                 temp_frame->copy_stacks(frame);
1178                 result = file->read_frame(temp_frame);
1179                 if( !result )
1180                         frame->transfer_from(temp_frame);
1181                 else if( result && frame->get_status() > 0 )
1182                         frame->set_status(-1);
1183 //printf("File::read_frame %d\n", __LINE__);
1184         }
1185         else {
1186 // Can't advance position here because it needs to be added to cache
1187 //printf("File::read_frame %d\n", __LINE__);
1188                 result = file->read_frame(frame);
1189                 if( result && frame->get_status() > 0 )
1190                         frame->set_status(-1);
1191 //for( int i = 0; i < 100 * 1000; i++ ) ((float*)frame->get_rows()[0])[i] = 1.0;
1192         }
1193
1194         if( result && !current_frame )
1195                 frame->clear_frame();
1196
1197         if( cache_active && advance_position && frame->get_status() > 0 )
1198                 frame_cache->put_frame(frame, cache_position,
1199                         current_layer, asset->frame_rate, 1, 0);
1200 //printf("File::read_frame %d\n", __LINE__);
1201
1202         if( advance_position ) current_frame++;
1203         if( debug ) PRINT_TRACE
1204         return 0;
1205 }
1206
1207 int File::can_copy_from(Asset *asset, int64_t position, int output_w, int output_h)
1208 {
1209         if( asset && file ) {
1210                 return asset->width == output_w &&
1211                         asset->height == output_h &&
1212                         file->can_copy_from(asset, position);
1213         }
1214         return 0;
1215 }
1216
1217 // Fill in queries about formats when adding formats here.
1218
1219
1220 int File::strtoformat(const char *format)
1221 {
1222         if( !strcasecmp(format, _(AC3_NAME)) ) return FILE_AC3;
1223         if( !strcasecmp(format, _(SCENE_NAME)) ) return FILE_SCENE;
1224         if( !strcasecmp(format, _(WAV_NAME)) ) return FILE_WAV;
1225         if( !strcasecmp(format, _(PCM_NAME)) ) return FILE_PCM;
1226         if( !strcasecmp(format, _(AU_NAME)) ) return FILE_AU;
1227         if( !strcasecmp(format, _(AIFF_NAME)) ) return FILE_AIFF;
1228         if( !strcasecmp(format, _(SND_NAME)) ) return FILE_SND;
1229         if( !strcasecmp(format, _(PNG_NAME)) ) return FILE_PNG;
1230         if( !strcasecmp(format, _(PNG_LIST_NAME)) ) return FILE_PNG_LIST;
1231         if( !strcasecmp(format, _(PPM_NAME)) ) return FILE_PPM;
1232         if( !strcasecmp(format, _(PPM_LIST_NAME)) ) return FILE_PPM_LIST;
1233         if( !strcasecmp(format, _(TIFF_NAME)) ) return FILE_TIFF;
1234         if( !strcasecmp(format, _(TIFF_LIST_NAME)) ) return FILE_TIFF_LIST;
1235         if( !strcasecmp(format, _(JPEG_NAME)) ) return FILE_JPEG;
1236         if( !strcasecmp(format, _(JPEG_LIST_NAME)) ) return FILE_JPEG_LIST;
1237         if( !strcasecmp(format, _(EXR_NAME)) ) return FILE_EXR;
1238         if( !strcasecmp(format, _(EXR_LIST_NAME)) ) return FILE_EXR_LIST;
1239         if( !strcasecmp(format, _(FLAC_NAME)) ) return FILE_FLAC;
1240         if( !strcasecmp(format, _(CR2_NAME)) ) return FILE_CR2;
1241         if( !strcasecmp(format, _(CR2_LIST_NAME)) ) return FILE_CR2_LIST;
1242         if( !strcasecmp(format, _(MPEG_NAME)) ) return FILE_MPEG;
1243         if( !strcasecmp(format, _(AMPEG_NAME)) ) return FILE_AMPEG;
1244         if( !strcasecmp(format, _(VMPEG_NAME)) ) return FILE_VMPEG;
1245         if( !strcasecmp(format, _(TGA_NAME)) ) return FILE_TGA;
1246         if( !strcasecmp(format, _(TGA_LIST_NAME)) ) return FILE_TGA_LIST;
1247         if( !strcasecmp(format, _(OGG_NAME)) ) return FILE_OGG;
1248         if( !strcasecmp(format, _(VORBIS_NAME)) ) return FILE_VORBIS;
1249         if( !strcasecmp(format, _(RAWDV_NAME)) ) return FILE_RAWDV;
1250         if( !strcasecmp(format, _(FFMPEG_NAME)) ) return FILE_FFMPEG;
1251         if( !strcasecmp(format, _(DBASE_NAME)) ) return FILE_DB;
1252
1253         return 0;
1254 }
1255
1256
1257 const char* File::formattostr(int format)
1258 {
1259         switch( format ) {
1260         case FILE_SCENE:        return _(SCENE_NAME);
1261         case FILE_AC3:          return _(AC3_NAME);
1262         case FILE_WAV:          return _(WAV_NAME);
1263         case FILE_PCM:          return _(PCM_NAME);
1264         case FILE_AU:           return _(AU_NAME);
1265         case FILE_AIFF:         return _(AIFF_NAME);
1266         case FILE_SND:          return _(SND_NAME);
1267         case FILE_PNG:          return _(PNG_NAME);
1268         case FILE_PNG_LIST:     return _(PNG_LIST_NAME);
1269         case FILE_PPM:          return _(PPM_NAME);
1270         case FILE_PPM_LIST:     return _(PPM_LIST_NAME);
1271         case FILE_JPEG:         return _(JPEG_NAME);
1272         case FILE_JPEG_LIST:    return _(JPEG_LIST_NAME);
1273         case FILE_CR2:          return _(CR2_NAME);
1274         case FILE_CR2_LIST:     return _(CR2_LIST_NAME);
1275         case FILE_FLAC:         return _(FLAC_NAME);
1276         case FILE_EXR:          return _(EXR_NAME);
1277         case FILE_EXR_LIST:     return _(EXR_LIST_NAME);
1278 #ifdef HAVE_LIBZMPEG
1279         case FILE_MPEG:         return _(MPEG_NAME);
1280 #endif
1281         case FILE_AMPEG:        return _(AMPEG_NAME);
1282         case FILE_VMPEG:        return _(VMPEG_NAME);
1283         case FILE_TGA:          return _(TGA_NAME);
1284         case FILE_TGA_LIST:     return _(TGA_LIST_NAME);
1285         case FILE_TIFF:         return _(TIFF_NAME);
1286         case FILE_TIFF_LIST:    return _(TIFF_LIST_NAME);
1287         case FILE_OGG:          return _(OGG_NAME);
1288         case FILE_VORBIS:       return _(VORBIS_NAME);
1289         case FILE_RAWDV:        return _(RAWDV_NAME);
1290         case FILE_FFMPEG:       return _(FFMPEG_NAME);
1291         case FILE_DB:           return _(DBASE_NAME);
1292         }
1293         return _("Unknown");
1294 }
1295
1296 int File::strtobits(const char *bits)
1297 {
1298         if( !strcasecmp(bits, _(NAME_8BIT)) ) return BITSLINEAR8;
1299         if( !strcasecmp(bits, _(NAME_16BIT)) ) return BITSLINEAR16;
1300         if( !strcasecmp(bits, _(NAME_24BIT)) ) return BITSLINEAR24;
1301         if( !strcasecmp(bits, _(NAME_32BIT)) ) return BITSLINEAR32;
1302         if( !strcasecmp(bits, _(NAME_ULAW)) ) return BITSULAW;
1303         if( !strcasecmp(bits, _(NAME_ADPCM)) ) return BITS_ADPCM;
1304         if( !strcasecmp(bits, _(NAME_FLOAT)) ) return BITSFLOAT;
1305         return BITSLINEAR16;
1306 }
1307
1308 const char* File::bitstostr(int bits)
1309 {
1310 //printf("File::bitstostr\n");
1311         switch( bits ) {
1312         case BITSLINEAR8:       return (NAME_8BIT);
1313         case BITSLINEAR16:      return (NAME_16BIT);
1314         case BITSLINEAR24:      return (NAME_24BIT);
1315         case BITSLINEAR32:      return (NAME_32BIT);
1316         case BITSULAW:          return (NAME_ULAW);
1317         case BITS_ADPCM:        return (NAME_ADPCM);
1318         case BITSFLOAT:         return (NAME_FLOAT);
1319         }
1320         return _("Unknown");
1321 }
1322
1323
1324
1325 int File::str_to_byteorder(const char *string)
1326 {
1327         if( !strcasecmp(string, _("Lo Hi")) ) return 1;
1328         return 0;
1329 }
1330
1331 const char* File::byteorder_to_str(int byte_order)
1332 {
1333         if( byte_order ) return _("Lo Hi");
1334         return _("Hi Lo");
1335 }
1336
1337 int File::bytes_per_sample(int bits)
1338 {
1339         switch( bits ) {
1340         case BITSLINEAR8:       return 1;
1341         case BITSLINEAR16:      return 2;
1342         case BITSLINEAR24:      return 3;
1343         case BITSLINEAR32:      return 4;
1344         case BITSULAW:          return 1;
1345         }
1346         return 1;
1347 }
1348
1349
1350 int File::get_best_colormodel(int driver, int vstream)
1351 {
1352         return file ? file->get_best_colormodel(driver, vstream) :
1353                 get_best_colormodel(asset, driver);
1354 }
1355
1356 int File::get_best_colormodel(Asset *asset, int driver)
1357 {
1358         switch( asset->format ) {
1359 #ifdef HAVE_DV
1360         case FILE_RAWDV:        return FileDV::get_best_colormodel(asset, driver);
1361 #endif
1362 #ifdef HAVE_LIBZMPEG
1363         case FILE_MPEG:         return FileMPEG::get_best_colormodel(asset, driver);
1364 #endif
1365         case FILE_JPEG:
1366         case FILE_JPEG_LIST:    return FileJPEG::get_best_colormodel(asset, driver);
1367 #ifdef HAVE_OPENEXR
1368         case FILE_EXR:
1369         case FILE_EXR_LIST:     return FileEXR::get_best_colormodel(asset, driver);
1370 #endif
1371         case FILE_PNG:
1372         case FILE_PNG_LIST:     return FilePNG::get_best_colormodel(asset, driver);
1373         case FILE_PPM:
1374         case FILE_PPM_LIST:     return FilePPM::get_best_colormodel(asset, driver);
1375         case FILE_TGA:
1376         case FILE_TGA_LIST:     return FileTGA::get_best_colormodel(asset, driver);
1377         case FILE_CR2:
1378         case FILE_CR2_LIST:     return FileCR2::get_best_colormodel(asset, driver);
1379 #ifdef HAVE_COMMERCIAL
1380         case FILE_DB:           return FileDB::get_best_colormodel(asset, driver);
1381 #endif
1382         case FILE_FFMPEG:       return FileFFMPEG::get_best_colormodel(asset, driver);
1383         }
1384
1385         return BC_RGB888;
1386 }
1387
1388
1389 int File::colormodel_supported(int colormodel)
1390 {
1391         if( file )
1392                 return file->colormodel_supported(colormodel);
1393
1394         return BC_RGB888;
1395 }
1396
1397
1398 int64_t File::file_memory_usage()
1399 {
1400         return file ? file->base_memory_usage() : 0;
1401 }
1402
1403 int64_t File::get_memory_usage()
1404 {
1405         int64_t result = 0;
1406
1407         result += file_memory_usage();
1408         if( temp_frame ) result += temp_frame->get_data_size();
1409         result += frame_cache->get_memory_usage();
1410         if( video_thread ) result += video_thread->get_memory_usage();
1411
1412         if( result < MIN_CACHEITEM_SIZE ) result = MIN_CACHEITEM_SIZE;
1413         return result;
1414 }
1415
1416
1417 int File::renders_video(int format)
1418 {
1419         switch( format ) {
1420         case FILE_OGG:
1421         case FILE_JPEG:
1422         case FILE_JPEG_LIST:
1423         case FILE_CR2:
1424         case FILE_CR2_LIST:
1425         case FILE_EXR:
1426         case FILE_EXR_LIST:
1427         case FILE_PNG:
1428         case FILE_PNG_LIST:
1429         case FILE_PPM:
1430         case FILE_PPM_LIST:
1431         case FILE_TGA:
1432         case FILE_TGA_LIST:
1433         case FILE_TIFF:
1434         case FILE_TIFF_LIST:
1435         case FILE_VMPEG:
1436         case FILE_RAWDV:
1437         case FILE_FFMPEG:
1438                 return 1;
1439         }
1440         return 0;
1441 }
1442 int File::renders_video(Asset *asset)
1443 {
1444         return asset->format == FILE_FFMPEG ?
1445                 FFMPEG::renders_video(asset->fformat) :
1446                 renders_video(asset->format);
1447 }
1448
1449 int File::renders_audio(int format)
1450 {
1451         switch( format ) {
1452         case FILE_AC3:
1453         case FILE_FLAC:
1454         case FILE_PCM:
1455         case FILE_WAV:
1456         case FILE_OGG:
1457         case FILE_VORBIS:
1458         case FILE_AMPEG:
1459         case FILE_AU:
1460         case FILE_AIFF:
1461         case FILE_SND:
1462         case FILE_RAWDV:
1463         case FILE_FFMPEG:
1464                 return 1;
1465         }
1466         return 0;
1467 }
1468 int File::renders_audio(Asset *asset)
1469 {
1470         return asset->format == FILE_FFMPEG ?
1471                 FFMPEG::renders_audio(asset->fformat) :
1472                 renders_audio(asset->format);
1473 }
1474
1475 int File::is_image_render(int format)
1476 {
1477         switch( format ) {
1478         case FILE_EXR:
1479         case FILE_JPEG:
1480         case FILE_PNG:
1481         case FILE_PPM:
1482         case FILE_TGA:
1483         case FILE_TIFF:
1484                 return 1;
1485         }
1486
1487         return 0;
1488 }
1489
1490 const char* File::get_tag(int format)
1491 {
1492         switch( format ) {
1493         case FILE_AC3:          return "ac3";
1494         case FILE_AIFF:         return "aif";
1495         case FILE_AMPEG:        return "mp3";
1496         case FILE_AU:           return "au";
1497         case FILE_RAWDV:        return "dv";
1498         case FILE_DB:           return "db";
1499         case FILE_EXR:          return "exr";
1500         case FILE_EXR_LIST:     return "exr";
1501         case FILE_FLAC:         return "flac";
1502         case FILE_JPEG:         return "jpg";
1503         case FILE_JPEG_LIST:    return "jpg";
1504         case FILE_OGG:          return "ogg";
1505         case FILE_PCM:          return "pcm";
1506         case FILE_PNG:          return "png";
1507         case FILE_PNG_LIST:     return "png";
1508         case FILE_PPM:          return "ppm";
1509         case FILE_PPM_LIST:     return "ppm";
1510         case FILE_TGA:          return "tga";
1511         case FILE_TGA_LIST:     return "tga";
1512         case FILE_TIFF:         return "tif";
1513         case FILE_TIFF_LIST:    return "tif";
1514         case FILE_VMPEG:        return "m2v";
1515         case FILE_VORBIS:       return "ogg";
1516         case FILE_WAV:          return "wav";
1517         case FILE_FFMPEG:       return "ffmpg";
1518         }
1519         return 0;
1520 }
1521
1522 const char* File::get_prefix(int format)
1523 {
1524         switch( format ) {
1525         case FILE_PCM:          return "PCM";
1526         case FILE_WAV:          return "WAV";
1527         case FILE_PNG:          return "PNG";
1528         case FILE_PPM:          return "PPM";
1529         case FILE_JPEG:         return "JPEG";
1530         case FILE_TIFF:         return "TIFF";
1531         case FILE_GIF:          return "GIF";
1532         case FILE_JPEG_LIST:    return "JPEG_LIST";
1533         case FILE_AU:           return "AU";
1534         case FILE_AIFF:         return "AIFF";
1535         case FILE_SND:          return "SND";
1536         case FILE_TGA_LIST:     return "TGA_LIST";
1537         case FILE_TGA:          return "TGA";
1538         case FILE_MPEG:         return "MPEG";
1539         case FILE_AMPEG:        return "AMPEG";
1540         case FILE_VMPEG:        return "VMPEG";
1541         case FILE_RAWDV:        return "RAWDV";
1542         case FILE_TIFF_LIST:    return "TIFF_LIST";
1543         case FILE_PNG_LIST:     return "PNG_LIST";
1544         case FILE_PPM_LIST:     return "PPM_LIST";
1545         case FILE_AC3:          return "AC3";
1546         case FILE_EXR:          return "EXR";
1547         case FILE_EXR_LIST:     return "EXR_LIST";
1548         case FILE_CR2:          return "CR2";
1549         case FILE_OGG:          return "OGG";
1550         case FILE_VORBIS:       return "VORBIS";
1551         case FILE_FLAC:         return "FLAC";
1552         case FILE_FFMPEG:       return "FFMPEG";
1553         case FILE_SCENE:        return "SCENE";
1554         case FILE_CR2_LIST:     return "CR2_LIST";
1555         case FILE_GIF_LIST:     return "GIF_LIST";
1556         case FILE_DB:           return "DB";
1557         }
1558         return _("UNKNOWN");
1559 }
1560
1561
1562 PackagingEngine *File::new_packaging_engine(Asset *asset)
1563 {
1564         PackagingEngine *result;
1565         switch( asset->format ) {
1566         case FILE_OGG:
1567                 result = (PackagingEngine*)new PackagingEngineOGG();
1568                 break;
1569         default:
1570                 result = (PackagingEngine*) new PackagingEngineDefault();
1571                 break;
1572         }
1573
1574         return result;
1575 }
1576
1577
1578 int File::record_fd()
1579 {
1580         return file ? file->record_fd() : -1;
1581 }
1582
1583
1584 void File::get_exe_path(char *result, char *bnp)
1585 {
1586 // Get executable path, basename
1587         int len = readlink("/proc/self/exe", result, BCTEXTLEN-1);
1588         if( len >= 0 ) {
1589                 result[len] = 0;
1590                 char *ptr = strrchr(result, '/');
1591                 if( ptr ) *ptr++ = 0; else ptr = result;
1592                 if( bnp ) strncpy(bnp, ptr, BCTEXTLEN);
1593         }
1594         else {
1595                 *result = 0;
1596                 if( bnp ) *bnp = 0;
1597         }
1598 }
1599
1600 void File::getenv_path(char *result, const char *path)
1601 {
1602         char *rp = result, *ep = rp + BCTEXTLEN-1;
1603         const char *cp = path;
1604 // any env var can be used here to expand a path as:
1605 //   "path...$id...": and id is a word as alpha,alnum...
1606 //   expands as "path...getenv(id)..."
1607 // CIN_PATH, CIN_LIB are set in main.C,
1608         for( int ch=*cp++; ch && rp < ep; ch=*cp++ ) {
1609                 if( ch == '$' && isalpha(*cp) ) { // scan alpha,alnum...
1610                         const char *bp = cp;  char *p = rp;
1611                         while( p < ep && *bp && (isalnum(*bp) || *bp == '_') ) *p++ = *bp++;
1612                         *p = 0;
1613                         const char *envp = getenv(rp); // read env value
1614                         if( !envp ) continue;
1615                         while( *envp && rp < ep ) *rp++ = *envp++;
1616                         cp = bp;                 // subst id=value
1617                         continue;
1618                 }
1619                 *rp++ = ch;
1620         }
1621         *rp = 0;
1622 }
1623
1624 void File::setenv_path(const char *var, const char *path, int overwrite)
1625 {
1626         char env_path[BCTEXTLEN];
1627         getenv_path(env_path, path);
1628         setenv(var, env_path, overwrite);
1629 }
1630
1631 void File::init_cin_path()
1632 {
1633         char env_path[BCTEXTLEN], env_pkg[BCTEXTLEN];
1634 // these values are advertised for forks/shell scripts
1635         get_exe_path(env_path, env_pkg);
1636         setenv_path("CIN_PATH", env_path, 1);
1637         setenv_path("CIN_PKG", env_pkg, 1);
1638         setenv_path("CIN_DAT", CINDAT_DIR, 0);
1639         setenv_path("CIN_LIB", CINLIB_DIR, 0);
1640         setenv_path("CIN_CONFIG", CONFIG_DIR, 0);
1641         setenv_path("CIN_PLUGIN", PLUGIN_DIR, 0);
1642         setenv_path("CIN_LADSPA", LADSPA_DIR, 0);
1643         setenv_path("CIN_LOCALE", LOCALE_DIR, 0);
1644         setenv_path("CIN_BROWSER", CIN_BROWSER, 0);
1645 }
1646