cinelerra-5.1/cinelerra/fileogg.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "asset.h"
  23 #include "bcsignals.h"
  24 #include "byteorder.h"
  25 #include "clip.h"
  26 #include "edit.h"
  27 #include "file.h"
  28 #include "fileogg.h"
  29 #include "guicast.h"
  30 #include "interlacemodes.h"
  31 #include "language.h"
  32 #include "mainerror.h"
  33 #include "mutex.h"
  34 #include "mwindow.inc"
  35 #include "preferences.h"
  36 #include "render.h"
  37 #include "vframe.h"
  38 #include "versioninfo.h"
  39 #include "videodevice.inc"
  40
  41 #include <sys/types.h>
  42 #include <sys/stat.h>
  43 #include <fcntl.h>
  44 #include <unistd.h>
  45 #include <string.h>
  46 #include <errno.h>
  47
  48 #define READ_SIZE 3*66000
  49
  50 /* This code was aspired by ffmpeg2theora */
  51 /* Special thanks for help on this code goes out to j@v2v.cc */
  52
  53 int ogg_ret0, ogg_ret1, ogg_ret2;
  54
  55 FileOGG::FileOGG(Asset *asset, File *file)
  56  : FileBase(asset, file)
  57 {
  58         if(asset->format == FILE_UNKNOWN)
  59                 asset->format = FILE_OGG;
  60         asset->byte_order = 0;
  61         reset_parameters();
  62         final_write = 1;
  63 }
  64
  65 FileOGG::~FileOGG()
  66 {
  67         if (tf)
  68         {
  69
  70                 if (tf->videosync)
  71                 {
  72                         ogg_sync_clear(&tf->videosync->sync);
  73                         delete tf->videosync;
  74                         theora_info_clear(&tf->ti);
  75                         theora_comment_clear(&tf->tc);
  76                 }
  77                 if (tf->audiosync)
  78                 {
  79                         ogg_sync_clear(&tf->audiosync->sync);
  80                         delete tf->audiosync;
  81                         vorbis_info_clear(&tf->vi);
  82                         vorbis_comment_clear(&tf->vc);
  83                 }
  84                 if (tf->vpage)
  85                         free(tf->vpage);
  86                 if (tf->apage)
  87                         free(tf->apage);
  88                 delete tf;
  89         }
  90         if (temp_frame) delete temp_frame;
  91         if (stream) close_file();
  92         if(pcm_history)
  93         {
  94                 for(int i = 0; i < asset->channels; i++)
  95                         delete [] pcm_history[i];
  96                 delete [] pcm_history;
  97         }
  98
  99         if (flush_lock) delete flush_lock;
 100 }
 101
 102 void FileOGG::get_parameters(BC_WindowBase *parent_window,
 103         Asset *asset,
 104         BC_WindowBase* &format_window,
 105         int audio_options,
 106         int video_options)
 107 {
 108         if(audio_options)
 109         {
 110                 OGGConfigAudio *window = new OGGConfigAudio(parent_window, asset);
 111                 format_window = window;
 112                 window->create_objects();
 113                 window->run_window();
 114                 delete window;
 115         }
 116         else
 117         if(video_options)
 118         {
 119                 OGGConfigVideo *window = new OGGConfigVideo(parent_window, asset);
 120                 format_window = window;
 121                 window->create_objects();
 122                 window->run_window();
 123                 delete window;
 124         }
 125 }
 126
 127 int FileOGG::reset_parameters_derived()
 128 {
 129         tf = 0;
 130         temp_frame = 0;
 131         stream = 0;
 132         flush_lock = 0;
 133         pcm_history = 0;
 134         start_frame = 0;
 135         return 0;
 136 }
 137
 138 static int read_buffer(FILE *in, sync_window_t *sw, int buflen)
 139 {
 140         char *buffer = ogg_sync_buffer(&sw->sync, buflen);
 141 //      printf("reading range: %lli - %lli\n", sw->file_bufpos, sw->file_bufpos + buflen);
 142         sw->wlen = fread(buffer, 1, buflen, in);
 143         ogg_sync_wrote(&sw->sync, sw->wlen);
 144 //      printf("XX data: %c %c %c %c\n", sw->sync.data[0], sw->sync.data[1], sw->sync.data[2], sw->sync.data[3]);
 145         sw->file_bufpos += sw->wlen;
 146 //      printf("sb: %i\n",buffer);
 147         return (sw->wlen);
 148 }
 149
 150 static int read_buffer_at(FILE *in, sync_window_t *sw, int buflen, off_t filepos)
 151 {
 152 //      printf("seeking to %lli %lli\n", filepos, sw->file_bufpos);
 153         fseeko(in, filepos, SEEK_SET);
 154 //      if (sw->file_bufpos != filepos)
 155 //      {
 156                 sw->file_bufpos = filepos;
 157                 sw->file_pagepos = filepos; // this one is not valid until sync_pageseek!
 158                 ogg_sync_reset(&sw->sync);
 159
 160 //      }
 161         return read_buffer(in, sw, buflen);
 162 }
 163
 164 static int take_page_out_autoadvance(FILE *in, sync_window_t *sw, ogg_page *og)
 165 {
 166         while (1)
 167         {
 168                 int ret = ogg_sync_pageout(&sw->sync, og);
 169                 if (ret > 0)
 170                 {
 171 //              printf("fpa: %lli\n", sw->file_pagepos);
 172 // advance 'virtual' position
 173                         sw->file_pagepos += og->header_len + og->body_len;
 174 //              printf("ret2: %i %i\n",ret, og->header_len + og->body_len);
 175                         return ret;
 176                 }
 177                 else if (ret < 0)
 178                 {
 179                         eprintf(_("FileOGG: Taking page out on nonsynced stream!\n"));
 180                         return ret;
 181
 182                 } else
 183                 {
 184                         // need more data for page
 185                         if ((ret = read_buffer(in, sw, READ_SIZE)) == 0)
 186                         {
 187                                 printf(_("FileOGG: There is no more data in the file we are reading from\n"));
 188                                 return 0;  // No more data
 189                         }
 190                 }
 191         }
 192         return 1;
 193 }
 194
 195
 196 // we never need to autoadvance when syncing, since our read chunks are larger than
 197 // maximum page size
 198 static int sync_and_take_page_out(sync_window_t *sw, ogg_page *page)
 199 {
 200         page->header_len = 0;
 201         page->body_len = 0;
 202         page->header = 0;
 203         page->body = 0;
 204         int ret = ogg_sync_pageseek(&sw->sync, page);
 205         if (ret < 0)
 206         {
 207                 sw->file_pagepos -= ret;
 208         }
 209         else if (ret > 0)
 210         {
 211                 sw->file_pagepos += ret;
 212 //              printf("ret: %i %i\n",ret, page->header_len + page->body_len);
 213         }
 214         return ret;
 215 }
 216
 217 int FileOGG::open_file(int rd, int wr)
 218 {
 219         if (!tf)
 220         {
 221                 tf = new theoraframes_info_t;
 222                 memset(tf, 0, sizeof(*tf));
 223         }
 224
 225
 226         if(wr)
 227         {
 228
 229
 230                 if((stream = fopen(asset->path, "w+b")) == 0)
 231                 {
 232                         eprintf(_("Error while opening \"%s\" for writing. %m\n"), asset->path);
 233                         return 1;
 234                 }
 235
 236                 tf->audio_bytesout = 0;
 237                 tf->video_bytesout = 0;
 238                 tf->videotime = 0;
 239                 tf->audiotime = 0;
 240
 241                 tf->vpage_valid = 0;
 242                 tf->apage_valid = 0;
 243                 tf->apage_buffer_length = 0;
 244                 tf->vpage_buffer_length = 0;
 245                 tf->apage = NULL;
 246                 tf->vpage = NULL;
 247                 tf->v_pkg=0;
 248                 tf->a_pkg=0;
 249
 250
 251                 /* yayness.  Set up Ogg output stream */
 252                 srand (time (NULL));
 253
 254                 if(asset->video_data)
 255                 {
 256                         ogg_stream_init (&tf->to, rand ());    /* oops, add one ot the above */
 257
 258                         theora_info_init (&tf->ti);
 259
 260                         tf->ti.frame_width = asset->width;
 261                         tf->ti.frame_height = asset->height;
 262
 263                         tf->ti.width = ((asset->width + 15) >>4)<<4; // round up to the nearest multiple of 16
 264                         tf->ti.height = ((asset->height + 15) >>4)<<4; // round up to the nearest multiple of 16
 265                         if (tf->ti.width != tf->ti.frame_width || tf->ti.height != tf->ti.frame_height)
 266                         {
 267                                 eprintf(_("WARNING: Encoding theora when width or height are not dividable by 16 is suboptimal\n"));
 268                         }
 269
 270                         tf->ti.offset_x = 0;
 271                         tf->ti.offset_y = tf->ti.height - tf->ti.frame_height;
 272                         tf->ti.fps_numerator = (unsigned int)(asset->frame_rate * 1000000);
 273                         tf->ti.fps_denominator = 1000000;
 274
 275                         if (asset->aspect_ratio > 0)
 276                         {
 277                                 // Cinelerra uses frame aspect ratio, theora uses pixel aspect ratio
 278                                 float pixel_aspect = asset->aspect_ratio / asset->width * asset->height;
 279                                 tf->ti.aspect_numerator = (unsigned int)(pixel_aspect * 1000000);
 280                                 tf->ti.aspect_denominator = 1000000;
 281                         } else
 282                         {
 283                                 tf->ti.aspect_numerator = 1000000;
 284                                 tf->ti.aspect_denominator = 1000000;
 285                         }
 286                         if(EQUIV(asset->frame_rate, 25) || EQUIV(asset->frame_rate, 50))
 287                                 tf->ti.colorspace = OC_CS_ITU_REC_470BG;
 288                         else if((asset->frame_rate > 29 && asset->frame_rate < 31) || (asset->frame_rate > 59 && asset->frame_rate < 61) )
 289                                 tf->ti.colorspace = OC_CS_ITU_REC_470M;
 290                         else
 291                                 tf->ti.colorspace = OC_CS_UNSPECIFIED;
 292
 293                         if (asset->theora_fix_bitrate)
 294                         {
 295                                 tf->ti.target_bitrate = asset->theora_bitrate;
 296                                 tf->ti.quality = 0;
 297                         } else
 298                         {
 299                                 tf->ti.target_bitrate = 0;
 300                                 tf->ti.quality = asset->theora_quality;     // video quality 0-63
 301                         }
 302                         tf->ti.dropframes_p = 0;
 303                         tf->ti.quick_p = 1;
 304                         tf->ti.keyframe_auto_p = 1;
 305                         tf->ti.keyframe_frequency = asset->theora_keyframe_frequency;
 306                         tf->ti.keyframe_frequency_force = asset->theora_keyframe_force_frequency;
 307                         tf->ti.keyframe_data_target_bitrate = (unsigned int) (tf->ti.target_bitrate * 1.5) ;
 308                         tf->ti.keyframe_auto_threshold = 80;
 309                         tf->ti.keyframe_mindistance = 8;
 310                         tf->ti.noise_sensitivity = 1;
 311                         tf->ti.sharpness = 2;
 312
 313
 314                         if (theora_encode_init (&tf->td, &tf->ti))
 315                         {
 316                                 eprintf(_("(FileOGG:file_open) initialization of theora codec failed\n"));
 317                         }
 318                 }
 319                 /* init theora done */
 320
 321                 /* initialize Vorbis too, if we have audio. */
 322                 if(asset->audio_data)
 323                 {
 324                         ogg_stream_init (&tf->vo, rand ());
 325                         vorbis_info_init (&tf->vi);
 326                         /* Encoding using a VBR quality mode.  */
 327                         int ret;
 328                         if(!asset->vorbis_vbr)
 329                         {
 330                                 ret = vorbis_encode_init(&tf->vi,
 331                                                         asset->channels,
 332                                                         asset->sample_rate,
 333                                                         asset->vorbis_max_bitrate,
 334                                                         asset->vorbis_bitrate,
 335                                                         asset->vorbis_min_bitrate);
 336                         } else
 337                         {
 338                                 // Set true VBR as demonstrated by http://svn.xiph.org/trunk/vorbis/doc/vorbisenc/examples.html
 339                                 ret = vorbis_encode_setup_managed(&tf->vi,
 340                                         asset->channels,
 341                                         asset->sample_rate,
 342                                         -1,
 343                                         asset->vorbis_bitrate,
 344                                         -1);
 345                                 ret |= vorbis_encode_ctl(&tf->vi, OV_ECTL_RATEMANAGE_AVG, NULL);
 346                                 ret |= vorbis_encode_setup_init(&tf->vi);
 347                         }
 348
 349                         if (ret)
 350                         {
 351                                 eprintf(_("The Vorbis encoder could not set up a mode according to\n"
 352                                         "the requested quality or bitrate.\n\n"));
 353                                 fclose (stream);
 354                                 stream = 0;
 355                                 return 1;
 356                         }
 357
 358                         vorbis_comment_init (&tf->vc); // comment is cleared lateron
 359                         vorbis_comment_add_tag (&tf->vc, (char*)"ENCODER", (char*)PROGRAM_NAME " " CINELERRA_VERSION);
 360                         /* set up the analysis state and auxiliary encoding storage */
 361                         vorbis_analysis_init (&tf->vd, &tf->vi);
 362                         vorbis_block_init (&tf->vd, &tf->vb);
 363
 364                 }
 365                 /* audio init done */
 366
 367                 /* write the bitstream header packets with proper page interleave */
 368
 369                 /* first packet will get its own page automatically */
 370                 if(asset->video_data)
 371                 {
 372                         theora_encode_header (&tf->td, &tf->op);
 373                         ogg_stream_packetin (&tf->to, &tf->op);
 374                         if (ogg_stream_pageout (&tf->to, &tf->og) != 1)
 375                         {
 376                                 eprintf(_("Internal Ogg library error.\n"));
 377                                 return 1;
 378                         }
 379                         fwrite (tf->og.header, 1, tf->og.header_len, stream);
 380                         fwrite (tf->og.body, 1, tf->og.body_len, stream);
 381
 382                         /* create the remaining theora headers */
 383                         theora_comment_init (&tf->tc);
 384                         theora_comment_add_tag (&tf->tc, (char*)"ENCODER",
 385                                         (char*)PROGRAM_NAME " " CINELERRA_VERSION);
 386                         theora_encode_comment (&tf->tc, &tf->op);
 387                         ogg_stream_packetin (&tf->to, &tf->op);
 388                         theora_comment_clear(&tf->tc);
 389                         theora_encode_tables (&tf->td, &tf->op);
 390                         ogg_stream_packetin (&tf->to, &tf->op);
 391                 }
 392                 if(asset->audio_data)
 393                 {
 394                         ogg_packet header;
 395                         ogg_packet header_comm;
 396                         ogg_packet header_code;
 397
 398                         vorbis_analysis_headerout (&tf->vd, &tf->vc, &header,
 399                                        &header_comm, &header_code);
 400                         ogg_stream_packetin (&tf->vo, &header);    /* automatically placed in its own page */
 401                         vorbis_comment_clear(&tf->vc);
 402                         if (ogg_stream_pageout (&tf->vo, &tf->og) != 1)
 403                         {
 404                                 eprintf(_("Internal Ogg library error.\n"));
 405                                 return 1;
 406                         }
 407                         fwrite (tf->og.header, 1, tf->og.header_len, stream);
 408                         fwrite (tf->og.body, 1, tf->og.body_len, stream);
 409
 410                         /* remaining vorbis header packets */
 411                         ogg_stream_packetin (&tf->vo, &header_comm);
 412                         ogg_stream_packetin (&tf->vo, &header_code);
 413                 }
 414
 415                 /* Flush the rest of our headers. This ensures
 416                  * the actual data in each stream will start
 417                  * on a new page, as per spec. */
 418                 while (1 && asset->video_data)
 419                 {
 420                         int result = ogg_stream_flush (&tf->to, &tf->og);
 421                         if (result < 0)
 422                         {
 423                                 /* can't get here */
 424                                 eprintf(_("Internal Ogg library error.\n"));
 425                                 return 1;
 426                         }
 427                         if (result == 0)
 428                                 break;
 429                         fwrite (tf->og.header, 1, tf->og.header_len, stream);
 430                         fwrite (tf->og.body, 1, tf->og.body_len, stream);
 431                 }
 432                 while (1 && asset->audio_data)
 433                 {
 434                         int result = ogg_stream_flush (&tf->vo, &tf->og);
 435                         if (result < 0)
 436                         {
 437                                 /* can't get here */
 438                                 eprintf(_("Internal Ogg library error.\n"));
 439                                 return 1;
 440                         }
 441                         if (result == 0)
 442                                 break;
 443                         fwrite (tf->og.header, 1, tf->og.header_len, stream);
 444                         fwrite (tf->og.body, 1, tf->og.body_len, stream);
 445                 }
 446                 flush_lock = new Mutex("OGGFile::Flush lock");
 447 //              printf("End of headers at position: %lli\n", ftello(stream));
 448         } else
 449         if (rd)
 450         {
 451
 452                 if((stream = fopen(asset->path, "rb")) == 0)
 453                 {
 454                         eprintf(_("Error while opening %s for reading. %m\n"), asset->path);
 455                         return 1;
 456                 }
 457
 458                 /* get file length */
 459                 struct stat file_stat;
 460                 stat(asset->path, &file_stat);
 461                 file_length = file_stat.st_size;
 462
 463                 /* start up Ogg stream synchronization layer */
 464                 /* oy is used just here to parse header, we use separate syncs for video and audio*/
 465                 sync_window_t oy;
 466                 ogg_sync_init(&oy.sync);
 467                 // make sure we init the position structures to zero
 468                 read_buffer_at(stream, &oy, READ_SIZE, 0);
 469
 470
 471                 /* init supporting Vorbis structures needed in header parsing */
 472                 vorbis_info_init(&tf->vi);
 473                 vorbis_comment_init(&tf->vc);
 474
 475
 476                 /* init supporting Theora structures needed in header parsing */
 477                 theora_comment_init(&tf->tc);
 478                 theora_info_init(&tf->ti);
 479
 480
 481
 482                 /* Ogg file open; parse the headers */
 483                 /* Only interested in Vorbis/Theora streams */
 484                 int stateflag = 0;
 485                 int theora_p = 0;
 486                 int vorbis_p = 0;
 487                 while(!stateflag)
 488                 {
 489
 490
 491 //                      int ret = read_buffer(stream, &oy, 4096);
 492                         TRACE("FileOGG::open_file 60")
 493 //                      if(ret == 0)
 494 //                              break;
 495
 496                         while(take_page_out_autoadvance(stream, &oy, &tf->og) > 0)
 497                         {
 498                                 ogg_stream_state test;
 499
 500                                 /* is this a mandated initial header? If not, stop parsing */
 501                                 if(!ogg_page_bos(&tf->og))
 502                                 {
 503                                         /* don't leak the page; get it into the appropriate stream */
 504                                 //      queue_page(&tf->og);
 505                                         if(theora_p)ogg_stream_pagein(&tf->to, &tf->og);
 506                                         if(vorbis_p)ogg_stream_pagein(&tf->vo, &tf->og);
 507
 508                                         stateflag = 1;
 509                                         break;
 510                                 }
 511
 512                                 ogg_stream_init(&test, ogg_page_serialno(&tf->og));
 513                                 ogg_stream_pagein(&test, &tf->og);
 514                                 ogg_stream_packetout(&test, &tf->op);
 515
 516                                 /* identify the codec: try theora */
 517                                 if(!theora_p && theora_decode_header(&tf->ti, &tf->tc, &tf->op)>=0)
 518                                 {
 519                                         /* it is theora */
 520                                         memcpy(&tf->to, &test, sizeof(test));
 521                                         theora_p = 1;
 522         // find out granule shift - from liboggz's oggz_auto.c
 523                                         unsigned char * header = tf->op.packet;
 524                                         theora_keyframe_granule_shift = (char) ((header[40] & 0x03) << 3);
 525                                         theora_keyframe_granule_shift |= (header[41] & 0xe0) >> 5;
 526
 527                                 } else if(!vorbis_p && vorbis_synthesis_headerin(&tf->vi, &tf->vc, &tf->op)>=0)
 528                                 {
 529                                         /* it is vorbis */
 530                                         memcpy(&tf->vo, &test, sizeof(test));
 531                                         vorbis_p = 1;
 532                                 } else
 533                                 {
 534                                         /* whatever it is, we don't care about it */
 535                                         ogg_stream_clear(&test);
 536                                 }
 537                         }
 538                 /* fall through to non-bos page parsing */
 539                 }
 540
 541
 542                 /* we're expecting more header packets. */
 543                 while((theora_p && theora_p < 3) || (vorbis_p && vorbis_p < 3))
 544                 {
 545                         int ret;
 546
 547                         /* look for further theora headers */
 548                         while(theora_p && (theora_p < 3) && (ret = ogg_stream_packetout(&tf->to, &tf->op)))
 549                         {
 550                                 if(ret < 0)
 551                                 {
 552                                         eprintf(_("FileOGG: Error parsing Theora stream headers; corrupt stream?\n"));
 553                                         return 1;
 554                                 }
 555                                 if(theora_decode_header(&tf->ti, &tf->tc, &tf->op))
 556                                 {
 557                                         eprintf(_("FileOGG: Error parsing Theora stream headers; corrupt stream?\n"));
 558                                         return 1;
 559                                 }
 560                                 theora_p++;
 561                                 if(theora_p == 3)
 562                                         break;
 563                         }
 564
 565                         /* look for more vorbis header packets */
 566                         while(vorbis_p && (vorbis_p < 3) && (ret = ogg_stream_packetout(&tf->vo, &tf->op)))
 567                         {
 568                                 if(ret<0)
 569                                 {
 570                                         eprintf(_("FileOGG: Error parsing Vorbis stream headers; corrupt stream?\n"));
 571                                         return 1;
 572                                 }
 573                                 if (vorbis_synthesis_headerin(&tf->vi, &tf->vc, &tf->op))
 574                                 {
 575                                         eprintf(_("FileOGG: Error parsing Vorbis stream headers; corrupt stream?\n"));
 576                                         return 1;
 577                                 }
 578                                 vorbis_p++;
 579                                 if (vorbis_p == 3)
 580                                         break;
 581                         }
 582
 583                         if ((!vorbis_p || vorbis_p == 3) && (!theora_p || theora_p == 3))
 584                                 break;
 585                         /* The header pages/packets will arrive before anything else we
 586                             care about, or the stream is not obeying spec */
 587
 588                         if(take_page_out_autoadvance(stream, &oy, &tf->og) > 0)
 589                         {
 590 //                              queue_page(&tf->og); /* demux into the appropriate stream */
 591                                 if(theora_p) ogg_stream_pagein(&tf->to, &tf->og);
 592                                 if(vorbis_p) ogg_stream_pagein(&tf->vo, &tf->og);
 593
 594                         } else
 595                         {
 596                                 eprintf(_("FileOGG: End of file while searching for codec headers.\n"));
 597                                 return 1;
 598                         }
 599                 }
 600                 // Remember where the real data begins for later seeking purposes
 601                 filedata_begin = oy.file_pagepos;
 602
 603
 604
 605                 /* and now we have it all.  initialize decoders */
 606                 if(theora_p)
 607                 {
 608                         int ret;
 609
 610 // WORKAROUND for bug in alpha4 version of theora:
 611                         tf->td.internal_encode = 0;
 612
 613                         ret = theora_decode_init(&tf->td, &tf->ti);
 614                         if( ret ) printf("theora_decode_init ret=%d\n", ret);
 615                         double fps = (double)tf->ti.fps_numerator/tf->ti.fps_denominator;
 616 /*                      printf("FileOGG: Ogg logical stream %x is Theora %dx%d %.02f fps\n",
 617                                 (unsigned int)tf->to.serialno, tf->ti.width, tf->ti.height,
 618                                 fps);
 619 */
 620 /*
 621 Not yet available in alpha4, we assume 420 for now
 622
 623                         switch(tf->ti.pixelformat)
 624                         {
 625                                 case OC_PF_420: printf(" 4:2:0 video\n"); break;
 626                                 case OC_PF_422: printf(" 4:2:2 video\n"); break;
 627                                 case OC_PF_444: printf(" 4:4:4 video\n"); break;
 628                                 case OC_PF_RSVD:
 629                                 default:
 630                                         printf(" video\n  (UNKNOWN Chroma sampling!)\n");
 631                                 break;
 632                         }
 633 */
 634
 635                         theora_cmodel = BC_YUV420P;
 636
 637                         if(tf->ti.width!=tf->ti.frame_width || tf->ti.height!=tf->ti.frame_height)
 638                         {
 639                                 eprintf(_("Frame content is %dx%d with offset (%d,%d), We do not support this yet. You will get black border.\n"),
 640                                                         tf->ti.frame_width, tf->ti.frame_height, tf->ti.offset_x, tf->ti.offset_y);
 641                         }
 642                         tf->videosync = new sync_window_t;
 643                         ogg_sync_init(&tf->videosync->sync);
 644                         tf->videosync->wlen = 0;
 645
 646                         ret = ogg_get_first_page(tf->videosync, tf->to.serialno, &tf->videopage);
 647                         if( !ret ) printf("ogg_get_first_page ret=%d\n", ret);
 648                         ogg_packet op;
 649
 650                         // we have headers already decoded, so just skip them
 651                         ogg_stream_reset(&tf->to);
 652                         ogg_stream_pagein(&tf->to, &tf->videopage);
 653                         while (1)
 654                         {
 655                                 while (ogg_stream_packetpeek(&tf->to, NULL) != 1)
 656                                 {
 657                                         if (!ogg_get_next_page(tf->videosync, tf->to.serialno, &tf->videopage))
 658                                         {
 659                                                 printf(_("FileOGG: Cannot find next page while looking for first non-header packet\n"));
 660                                                 return 1;
 661                                         }
 662                                         ogg_stream_pagein(&tf->to, &tf->videopage);
 663                                 }
 664                                 ogg_stream_packetout(&tf->to, &op);
 665                                 if (!theora_packet_isheader(&op))
 666                                         break;
 667                         }
 668                         // now get to the page of the finish of the first packet
 669                         while (ogg_page_packets(&tf->videopage) == 0)
 670                         {
 671                                 if (ogg_page_granulepos(&tf->videopage) != -1)
 672                                 {
 673                                         printf(_("FileOGG: Broken ogg file - broken page: ogg_page_packets == 0 and granulepos != -1\n"));
 674                                         return 1;
 675                                 }
 676                                 ogg_get_next_page(tf->videosync, tf->to.serialno, &tf->videopage);
 677                         }
 678                         // FIXME - LOW PRIORITY - start counting at first decodable keyframe!
 679                         // but then we have to fix a/v sync somehow
 680                         start_frame = (int64_t) (theora_granule_frame (&tf->td, ogg_page_granulepos(&tf->videopage)) - ogg_page_packets(&tf->videopage)) + 1;
 681
 682                         ret = ogg_get_last_page(tf->videosync, tf->to.serialno, &tf->videopage);
 683                         last_frame = (int64_t) (theora_granule_frame (&tf->td, ogg_page_granulepos(&tf->videopage)));
 684                         asset->video_length = last_frame - start_frame + 1;
 685 //                      printf("FileOGG:: first frame: %lli, last frame: %lli, video length: %lli\n", start_frame, last_frame, asset->video_length);
 686
 687                         asset->layers = 1;
 688                         // FIXME - LOW PRIORITY Cinelerra does not honor the frame_width and frame_height
 689                         asset->width = tf->ti.width;
 690                         asset->height = tf->ti.height;
 691 // Don't want a user configured frame rate to get destroyed
 692                         if(!asset->frame_rate)
 693                                 asset->frame_rate = fps;
 694 // All theora material is noninterlaced by definition
 695                         if(!asset->interlace_mode)
 696                                 asset->interlace_mode = ILACE_MODE_NOTINTERLACED;
 697
 698         /*              ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 0 +start_frame);
 699                         ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 1 +start_frame);
 700                         ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 5 +start_frame);
 701                         ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 206 +start_frame);
 702                         ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 207 +start_frame);
 703                         ogg_get_page_of_frame(tf->videosync, tf->to.serialno, &og, 208 +start_frame);
 704
 705                         int64_t kf;
 706                         ogg_seek_to_keyframe(tf->videosync, tf->to.serialno, 0 + start_frame, &kf);
 707                         ogg_seek_to_keyframe(tf->videosync, tf->to.serialno, 1 + start_frame, &kf);
 708                         ogg_seek_to_keyframe(tf->videosync, tf->to.serialno, 5 + start_frame, &kf);
 709                         ogg_seek_to_keyframe(tf->videosync, tf->to.serialno, 66 + start_frame, &kf);
 710                         //printf("Keyframe: %lli\n", kf);
 711                         ogg_seek_to_keyframe(tf->videosync, tf->to.serialno, 1274 + start_frame, &kf);
 712 */
 713
 714                         set_video_position(0); // make sure seeking is done to the first sample
 715                         ogg_frame_position = -10;
 716                         asset->video_data = 1;
 717                         strncpy(asset->vcodec, "theo", 4);
 718
 719
 720 //                  report_colorspace(&ti);
 721 //                  dump_comments(&tc);
 722                 } else
 723                 {
 724                         /* tear down the partial theora setup */
 725                         theora_info_clear(&tf->ti);
 726                         theora_comment_clear(&tf->tc);
 727                 }
 728
 729
 730                 if(vorbis_p)
 731                 {
 732                         vorbis_synthesis_init(&tf->vd, &tf->vi);
 733                         vorbis_block_init(&tf->vd, &tf->vb);
 734 /*                      eprintf(_("FileOGG: Ogg logical stream %x is Vorbis %d channel %d Hz audio.\n"),
 735                                 (unsigned int)tf->vo.serialno, tf->vi.channels, (int)tf->vi.rate);
 736 */
 737                         /* init audio_sync structure */
 738                         tf->audiosync = new sync_window_t;
 739                         ogg_sync_init(&tf->audiosync->sync);
 740                         tf->audiosync->wlen = 0;
 741
 742                         ogg_get_first_page(tf->audiosync, tf->vo.serialno, &tf->audiopage);
 743                         ogg_packet op;
 744                         ogg_stream_reset(&tf->vo);
 745                         // FIXME - LOW PRIORITY should be getting pages until one has granulepos,
 746                         //   probably never happens in pracitce
 747                         ogg_ret2 = ogg_stream_pagein(&tf->vo, &tf->audiopage);
 748                         ogg_int64_t accumulated = 0;
 749                         long lastblock = -1;
 750                         int result;
 751                         while((result = ogg_stream_packetout(&tf->vo, &op)))
 752                         {
 753                                 if(result > 0)
 754                                 { // ignore holes
 755                                         long thisblock =  vorbis_packet_blocksize(&tf->vi, &op);
 756                                         if(lastblock != -1)
 757                                                 accumulated += (lastblock + thisblock) >> 2;
 758                                         lastblock = thisblock;
 759                                 }
 760                         }
 761                         start_sample = ogg_page_granulepos(&tf->audiopage) - accumulated;
 762 /*
 763                         printf("Begin: %lli, To byte: %lli,  granule: %lli, serialno: %x\n",
 764                                         tf->audiosync->file_pagepos_found,
 765                                         tf->audiosync->file_pagepos_found + tf->audiopage.body_len + tf->audiopage.header_len,
 766                                         ogg_page_granulepos(&tf->audiopage),
 767                                         ogg_page_serialno(&tf->audiopage));
 768                         while (ogg_get_next_page(tf->audiosync, tf->vo.serialno, &tf->audiopage))
 769                                 printf("At byte: %lli, To byte: %lli,  granule: %lli, serialno: %x\n",
 770                                         tf->audiosync->file_pagepos_found,
 771                                         tf->audiosync->file_pagepos_found + tf->audiopage.body_len + tf->audiopage.header_len,
 772                                         ogg_page_granulepos(&tf->audiopage),
 773                                         ogg_page_serialno(&tf->audiopage));
 774 */
 775
 776                         ogg_ret1 = ogg_get_last_page(tf->audiosync, tf->vo.serialno, &tf->audiopage);
 777                         last_sample = ogg_page_granulepos(&tf->audiopage);
 778                         asset->audio_length = last_sample - start_sample;
 779
 780 /*                      printf("FileOGG:: First sample: %lli, last_sample: %lli\n", start_sample, last_sample);
 781                         printf("FileOGG:: audio length: samples: %lli, playing time: %f\n", asset->audio_length, 1.0 * asset->audio_length / tf->vi.rate);
 782 */
 783 /*                      printf("End: %lli, To byte: %lli,  granule: %lli, serialno: %x\n",
 784                                         tf->audiosync->file_pagepos_found,
 785                                         tf->audiosync->file_pagepos_found + tf->audiopage.body_len + tf->audiopage.header_len,
 786                                         ogg_page_granulepos(&tf->audiopage),
 787                                         ogg_page_serialno(&tf->audiopage));
 788                         while (ogg_get_prev_page(tf->audiosync, tf->vo.serialno, &tf->audiopage))
 789                                 printf("At byte: %lli, To byte: %lli,  granule: %lli, serialno: %x\n",
 790                                         tf->audiosync->file_pagepos_found,
 791                                         tf->audiosync->file_pagepos_found + tf->audiopage.body_len + tf->audiopage.header_len,
 792                                         ogg_page_granulepos(&tf->audiopage),
 793                                         ogg_page_serialno(&tf->audiopage));
 794 */
 795
 796 /*                      ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 0);
 797                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 1);
 798                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 50);
 799                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 5000);
 800                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 30000);
 801                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 50000);
 802                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 90000);
 803                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 95999);
 804                         ogg_get_page_of_sample(tf->audiosync, tf->vo.serialno, &tf->audiopage, 96000);
 805                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 0);
 806                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 1);
 807                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 5000);
 808                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 30000);
 809                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 50000);
 810                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 90000);
 811                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 95999);
 812                         ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, 96000);
 813 */
 814                         asset->channels = tf->vi.channels;
 815                         if(!asset->sample_rate)
 816                                 asset->sample_rate = tf->vi.rate;
 817                         asset->audio_data = 1;
 818
 819
 820                         ogg_sample_position = -10;
 821                         set_audio_position(0); // make sure seeking is done to the first sample
 822                         strncpy(asset->acodec, "vorb", 4);
 823
 824
 825                 } else
 826                 {
 827                         /* tear down the partial vorbis setup */
 828                         vorbis_info_clear(&tf->vi);
 829                         vorbis_comment_clear(&tf->vc);
 830                 }
 831
 832                 ogg_sync_clear(&oy.sync);
 833
 834         }
 835         return 0;
 836 }
 837
 838 int FileOGG::ogg_get_prev_page(sync_window_t *sw, long serialno, ogg_page *og)
 839 {
 840         ogg_page page;
 841         off_t filepos = sw->file_pagepos_found - READ_SIZE;
 842         int first_page_offset = 0;
 843         int done = 0;
 844         int read_len = READ_SIZE;
 845
 846 //      printf("fp: %lli pagepos found: %lli\n", filepos, sw->file_pagepos_found);
 847         while (!done)
 848         {
 849                 if (filepos < 0)
 850                 {
 851 //                      read_len = read_len - (filedata_begin - filepos);
 852                         read_len = read_len + filepos;
 853                         filepos = 0;
 854                 }
 855                 if (read_len <= 0)
 856                         return 0;
 857                 int have_read = read_buffer_at(stream, sw, read_len, filepos);
 858
 859 //              printf("reading at %lli, len: %i, read: %i, pagepos: %lli, pageposfound: %lli\n", filepos, read_len, have_read, sw->file_pagepos, sw->file_pagepos_found);
 860 //              printf("Buffer position: %lli\n", sw->file_bufpos);
 861 //              printf("SS: storage: %i, fill: %i, returned: %i\n", sw->sync.storage, sw->sync.fill, sw->sync.returned);
 862 //              printf("US: unsynced%i, headrebytes: %i, bodybyes: %i\n", sw->sync.unsynced, sw->sync.headerbytes, sw->sync.bodybytes);
 863 //              printf("data: %c %c %c %c\n", sw->sync.data[0], sw->sync.data[1], sw->sync.data[2], sw->sync.data[3]);
 864                 if (!have_read)
 865                         return 0;
 866
 867 // read all pages in the buffer
 868                 int page_offset = 0;
 869                 int page_length = 0;
 870                 int first_page = 1;
 871                 while (first_page || page_length)
 872                 {
 873                         // if negative, skip bytes
 874                         while ((page_length = sync_and_take_page_out(sw, &page)) < 0)
 875                         {
 876                                 page_offset -= page_length;
 877
 878 //                              if (filepos == 0)
 879 //                                      printf("BBBb page_len: %i\n", page_length);
 880                         }
 881 //                      if (filepos == 0 && page_length)
 882 //                      {
 883 //                              printf("AAAAAAAAAAAAAAAAAAAAAAAAAaaa\n");
 884 //                              printf("pp: %lli %x\n", sw->file_pagepos, ogg_page_serialno(&page));
 885 //                      }
 886                         if (first_page)
 887                                 first_page_offset = page_offset;
 888                         first_page = 0;
 889 //                      printf("pl: %i, serial: %x iscem: %x\n", page_length, ogg_page_serialno(&page), serialno);
 890                         if (page_length && ogg_page_serialno(&page) == serialno)
 891                         {
 892                                 // we will copy every page until last page in this buffer
 893                                 done = 1;
 894
 895                                 sw->file_pagepos_found = sw->file_pagepos - page.header_len - page.body_len;
 896 //                              printf("got it : %lli %i %i\n", sw->file_pagepos, page.header_len, page.body_len);
 897                                 memcpy(og, &page, sizeof(page));
 898                         }
 899                 }
 900 //              printf("fpo: %i\n", first_page_offset);
 901                 filepos += first_page_offset - READ_SIZE;
 902         }
 903
 904 //      printf("finished\n");
 905         if (done)
 906                 return 1;
 907         else
 908                 return 0;
 909 }
 910
 911 int FileOGG::ogg_get_last_page(sync_window_t *sw, long serialno, ogg_page *og)
 912 {
 913         ogg_page page;
 914         off_t filepos = file_length - READ_SIZE;
 915         if (filepos < 0)
 916                 filepos = 0;
 917
 918         int first_page_offset = 0;
 919         int done = 0;
 920         while (!done && filepos >= 0)
 921         {
 922                 //int readlen =
 923                   read_buffer_at(stream, sw, READ_SIZE, filepos);
 924
 925 // read all pages in the buffer
 926                 int page_offset = 0;
 927                 int page_length = 0;
 928                 int first_page = 1;
 929                 while (first_page || page_length)
 930                 {
 931                         // if negative, skip bytes
 932                         while ((page_length = sync_and_take_page_out(sw, &page)) < 0)
 933                                         page_offset -= page_length;
 934                         if (first_page)
 935                                 first_page_offset = page_offset;
 936                         first_page = 0;
 937                         if (page_length && ogg_page_serialno(&page) == serialno)
 938                         {
 939                                 // we will copy every page until last page in this buffer
 940                                 done = 1;
 941                                 sw->file_pagepos_found = sw->file_pagepos - page.header_len - page.body_len;
 942                                 memcpy(og, &page, sizeof(page));
 943                         }
 944                 }
 945                 filepos = filepos + first_page_offset - READ_SIZE;
 946         }
 947
 948         if (done)
 949                 return 1;
 950         else
 951                 return 0;
 952 }
 953
 954 int FileOGG::ogg_get_first_page(sync_window_t *sw, long serialno, ogg_page *og)
 955 {
 956 //      printf("FileOGG:: Seeking to first page at %lli\n", filedata_begin);
 957         read_buffer_at(stream, sw, READ_SIZE, 0);
 958 // we don't even need to sync since we _know_ it is right
 959         return (ogg_get_next_page(sw, serialno, og));
 960 }
 961
 962 int FileOGG::ogg_seek_to_databegin(sync_window_t *sw, long serialno)
 963 {
 964
 965 //      printf("FileOGG:: Seeking to first page at %lli\n", filedata_begin);
 966         read_buffer_at(stream, sw, READ_SIZE, filedata_begin);
 967 // we don't even need to sync since we _know_ it is right
 968         return (0);
 969 }
 970
 971 int FileOGG::ogg_get_next_page(sync_window_t *sw, long serialno, ogg_page *og)
 972 {
 973         while (take_page_out_autoadvance(stream, sw, og) > 0)
 974         {
 975                 if (ogg_page_serialno(og) == serialno)
 976                 {
 977                         sw->file_pagepos_found = sw->file_pagepos - og->header_len - og->body_len;
 978                         return 1;
 979                 }
 980         }
 981         return 0;
 982 }
 983
 984 int FileOGG::ogg_sync_and_get_next_page(sync_window_t *sw, long serialno, ogg_page *og)
 985 {
 986 // TODO: Put better error reporting inhere
 987         int ret;
 988         while ((ret = sync_and_take_page_out(sw, og)) < 0)
 989         {
 990                 // do nothing;
 991         }
 992         if (ret == 0)
 993                 return 0;
 994         if (ogg_page_serialno(og) == serialno)
 995         {
 996                 sw->file_pagepos_found = sw->file_pagepos - og->header_len - og->body_len;
 997                 return 1;
 998         }
 999         while (ogg_get_next_page(sw, serialno, og))
1000                 if (ogg_page_serialno(og) == serialno)
1001                 {
1002                         sw->file_pagepos_found = sw->file_pagepos - og->header_len - og->body_len;
1003                         return 1;
1004                 }
1005
1006         return 0;
1007 }
1008 // Returns:
1009 // >= 0, number of sample within a page
1010 // <  0 error
1011 int FileOGG::ogg_get_page_of_sample(sync_window_t *sw, long serialno, ogg_page *og, int64_t sample)
1012 {
1013 // First make an educated guess about position
1014         if (sample >= asset->audio_length + start_sample)
1015         {
1016                 printf(_("FileOGG: Illegal seek beyond end of samples\n"));
1017                 return 0;
1018         }
1019         off_t educated_guess = filedata_begin + (file_length - filedata_begin) * (sample - start_sample) / asset->audio_length - READ_SIZE;
1020         if (educated_guess < 0)
1021                 educated_guess = 0;
1022 //      printf("My educated guess: %lli\n", educated_guess);
1023 // now see if we won
1024         read_buffer_at(stream, sw, READ_SIZE, educated_guess);
1025         ogg_sync_and_get_next_page(sw, serialno, og);
1026         int64_t end_sample = ogg_page_granulepos(og);
1027         // linear seek to the sample
1028         int64_t start_sample = 0;
1029 // TODO: Use bisection also
1030 //      printf("Next page granulepos: %lli, pagepos: %lli\n", end_sample, sw->file_pagepos_found);
1031         if (end_sample <= sample)
1032         {
1033         // scan forward
1034                 while (end_sample <= sample)
1035                 {
1036                         ogg_get_next_page(sw, serialno, og);
1037                         start_sample = end_sample;
1038                         end_sample = ogg_page_granulepos(og);
1039                 }
1040                 ogg_get_prev_page(sw, serialno, og);
1041                 while (ogg_page_continued(og) && ogg_page_packets(og) == 1)
1042                         ogg_get_prev_page(sw, serialno, og);
1043         } else
1044         {
1045         // scan backward
1046                 start_sample = end_sample;
1047                 while (start_sample > sample || (ogg_page_continued(og) &&
1048                         ogg_page_packets(og) == 1))
1049                 {
1050 //                      printf("get prev page: %lli pagepos:%lli\n", ogg_page_granulepos(og), sw->file_pagepos_found);
1051                         ogg_get_prev_page(sw, serialno, og);
1052                         end_sample = start_sample;
1053                         start_sample = ogg_page_granulepos(og);
1054                 }
1055         // go forward one page at the end
1056
1057         }
1058
1059 //      printf("For sample %lli we need to start decoding on page with granulepos: %lli\n", sample, ogg_page_granulepos(og));
1060         return 1;
1061 }
1062
1063 // seeks, so next sample returned will be the correct one
1064 // sample here is still the vorbis sample number (= cinelerra sample number + start_sample)
1065 // reinits the decoding engine
1066
1067 int FileOGG::ogg_seek_to_sample(sync_window_t *sw, long serialno, int64_t sample)
1068 {
1069         // MAYBE FIXME - find out if we really are decoding previous two packets or not
1070         // get to the sample
1071         ogg_page og;
1072         ogg_packet op;
1073 //      printf("Calling get page of sample\n");
1074         if (!ogg_get_page_of_sample(sw, serialno, &og, sample))
1075         {
1076                 eprintf(_("FileOGG: Seeking to sample's page failed\n"));
1077                 return 0;
1078         }
1079 //      printf("Pagepos: %lli\n", sw->file_pagepos);
1080         vorbis_synthesis_restart(&tf->vd);
1081         ogg_stream_reset(&tf->vo);
1082         ogg_stream_pagein(&tf->vo, &og);
1083         int sync = 0;
1084 //      printf("seeking to sample : %lli , starting at page with gpos: %lli\n", sample, ogg_page_granulepos(&og));
1085
1086         int64_t current_comming_sample = -1;
1087         while (1)
1088         {
1089
1090                 // make sure we have a packet ready
1091                 while (ogg_stream_packetpeek(&tf->vo, NULL) != 1)
1092                 {
1093                         if (!ogg_get_next_page(sw, serialno, &og))
1094                         {
1095                                 eprintf(_("FileOGG: Cannot find next page while seeking\n"));
1096                                 return 0;
1097                         }
1098                         ogg_stream_pagein(&tf->vo, &og);
1099                 }
1100                 ogg_stream_packetout(&tf->vo, &op);
1101                 if (sync)
1102                 {
1103
1104                         if(!vorbis_synthesis(&tf->vb, &op))
1105                         {
1106                                 ogg_ret0 = vorbis_synthesis_blockin(&tf->vd, &tf->vb);
1107                                 int64_t previous_comming_sample = current_comming_sample;
1108                                 current_comming_sample += vorbis_synthesis_pcmout(&tf->vd, NULL);
1109                                 if (current_comming_sample > sample)
1110                                 {
1111                                         if (previous_comming_sample > sample)
1112                                         {
1113                                                 eprintf(_("Ogg decoding error while seeking sample\n"));
1114                                         }
1115                                         vorbis_synthesis_read(&tf->vd, (sample - previous_comming_sample));
1116 //                                      printf("WE GOT IT, samples already decoded: %jd\n", vorbis_synthesis_pcmout(&tf->vd,NULL));
1117                                         return 1; // YAY next sample read is going to be ours, sexy!
1118                                 } else
1119                                 {
1120                                         // discard decoded data before current sample
1121                                         vorbis_synthesis_read(&tf->vd, (current_comming_sample - previous_comming_sample));
1122
1123                                 }
1124                         }
1125                 }
1126                 if (!sync && op.granulepos >= 0)
1127                 {
1128                         sync = 1;
1129                         current_comming_sample = op.granulepos;
1130                         if(!vorbis_synthesis(&tf->vb, &op))
1131                         {
1132                                 vorbis_synthesis_blockin(&tf->vd, &tf->vb);
1133                                 if (vorbis_synthesis_pcmout(&tf->vd, NULL) != 0)
1134                                 {
1135                                         eprintf(_("FileOGG: Something wrong while trying to seek\n"));
1136                                         return 0;
1137                                 }
1138
1139                         }
1140
1141                 }
1142         }
1143
1144
1145         return 0;
1146 }
1147
1148 int FileOGG::ogg_get_page_of_frame(sync_window_t *sw, long serialno, ogg_page *og, int64_t frame)
1149 {
1150         if (frame >= asset->video_length + start_frame)
1151         {
1152                 eprintf(_("FileOGG: Illegal seek beyond end of frames\n"));
1153                 return 0;
1154         }
1155 //      printf("frame: %lli start frame: %lli\n", frame, start_frame);
1156 //      printf("file_length: %lli filedata_begin: %lli\n", file_length, filedata_begin);
1157         off_t educated_guess = filedata_begin + (file_length - filedata_begin) * (frame - start_frame) / asset->video_length - READ_SIZE/2;
1158 //      educated_guess += 100000;
1159         if (educated_guess > file_length - READ_SIZE)
1160                 educated_guess = file_length - READ_SIZE;
1161         if (educated_guess < filedata_begin)
1162                 educated_guess = filedata_begin;
1163 //      printf("My educated guess: %lli\n", educated_guess);
1164 // now see if we won
1165         read_buffer_at(stream, sw, READ_SIZE, educated_guess);
1166         if( !ogg_sync_and_get_next_page(sw, serialno, og) ) {
1167                 printf(_("FileOGG: ogg_sync_and_get_next_page failed\n"));
1168                 return 0;
1169         }
1170         int64_t pageend_frame;
1171         //int read_back = 0;
1172         // find the page with "real" ending
1173         while ((pageend_frame = ogg_page_granulepos(og)) == -1)
1174         {
1175                 if (ogg_get_next_page(sw, serialno, og) == 0)
1176                 {
1177                         //read_back = 1;
1178                         break;
1179                 }
1180         }
1181         pageend_frame = theora_granule_frame(&tf->td, ogg_page_granulepos(og));
1182
1183         // FIXME - MEDIUM PRIORITY: read back if we've gone too far and no page of our serialno at all can be found
1184
1185
1186         // linear seek to the sample
1187 // TODO: Use bisection also
1188 //      printf("Next page granulepos: %lli, pagepos: %lli\n", end_sample, sw->file_pagepos_found);
1189         //int discard_packets = 0;
1190         int missp = 0;
1191         int missm = 0;
1192         if (pageend_frame <= frame)
1193         {
1194         // scan forward
1195                 while (pageend_frame < frame)
1196                 {
1197                         do {
1198                                 ogg_get_next_page(sw, serialno, og);
1199                         } while (ogg_page_packets(og) == 0);
1200                         pageend_frame = theora_granule_frame(&tf->td, ogg_page_granulepos(og));
1201                         missp++;
1202                 }
1203                 // go back if this frame starts on previous page
1204                 if (ogg_page_continued(og) && pageend_frame - ogg_page_packets(og) == frame - 1)
1205                 {
1206                         do {
1207                                 ogg_get_prev_page(sw, serialno, og);
1208                         } while (ogg_page_packets(og) == 0 && ogg_page_continued(og));
1209                 }
1210                 pageend_frame = theora_granule_frame(&tf->td, ogg_page_granulepos(og));
1211         } else
1212         {
1213         // scan backward
1214                 int64_t first_frame_on_page = theora_granule_frame(&tf->td, ogg_page_granulepos(og)) - ogg_page_packets(og) + 2;
1215                 if (!ogg_page_continued(og))
1216                         first_frame_on_page--;
1217                 while (first_frame_on_page > frame)
1218                 {
1219 //                      printf("get prev page: %lli pagepos:%lli\n", ogg_page_granulepos(og), sw->file_pagepos_found);
1220                         do {
1221                                 ogg_get_prev_page(sw, serialno, og);
1222                         } while (ogg_page_packets(og) == 0 && ogg_page_continued(og));
1223                         missm++;
1224 //                      pageend_frame = theora_granule_frame(&tf->td, ogg_page_granulepos(og));
1225                         first_frame_on_page = theora_granule_frame(&tf->td, ogg_page_granulepos(og)) - ogg_page_packets(og) + 2;
1226                         if (!ogg_page_continued(og))
1227                                 first_frame_on_page--;
1228                 }
1229         }
1230 //      printf("Miss plus: %i, miss minus: %i\n", missp, missm);
1231 //      printf("last frame of page with frame : %lli\n", pageend_frame);
1232         return 1;
1233 }
1234
1235
1236 int FileOGG::ogg_seek_to_keyframe(sync_window_t *sw, long serialno, int64_t frame, int64_t *position)
1237 {
1238 //printf("seek %jd\n", frame);
1239         ogg_page og;
1240         ogg_packet op;
1241
1242         if( !ogg_get_page_of_frame(sw, serialno, &og, frame) ) {
1243                 eprintf(_("FileOGG: seek to frame failed\n"));
1244                 return 0;
1245         }
1246         // find a page with packets
1247         while( ogg_page_packets(&og) == 0 ) {
1248                 ogg_get_prev_page(sw, serialno, &og);
1249         }
1250         int64_t granulepos = ogg_page_granulepos(&og);
1251         granulepos &= ~((1<<theora_keyframe_granule_shift)-1);
1252         int64_t iframe = theora_granule_frame(&tf->td, granulepos);
1253         // iframe based on granulepos
1254         if( frame < iframe || !ogg_get_page_of_frame(sw, serialno, &og, iframe) )  {
1255                 eprintf(_("FileOGG: seek to iframe failed\n"));
1256                 return 0;
1257         }
1258         while( ogg_page_packets(&og) == 0 ) {
1259                 ogg_get_prev_page(sw, serialno, &og);
1260         }
1261         int64_t pageend_frame = theora_granule_frame(&tf->td, ogg_page_granulepos(&og));
1262         int64_t frames_on_page = ogg_page_packets(&og);
1263         if( ogg_page_continued(&og) ) --frames_on_page;
1264         // get frame before page with with iframe
1265         int64_t page_frame = pageend_frame - frames_on_page;
1266         if( page_frame < 0 ) page_frame = 0;
1267 //printf("iframe %jd, page_frame %jd, frames_on_page %jd\n", iframe, page_frame, frames_on_page);
1268         ogg_stream_reset(&tf->to);
1269         ogg_stream_pagein(&tf->to, &og);
1270
1271         while( ++page_frame < iframe ) {
1272                 while( ogg_stream_packetpeek(&tf->to, NULL) != 1 ) {
1273                         if( !ogg_get_next_page(sw, serialno, &og) ) {
1274                                 eprintf(_("FileOGG: Cannot find next page while seeking\n"));
1275                                 return 0;
1276                         }
1277                         ogg_stream_pagein(&tf->to, &og);
1278                 }
1279                 ogg_stream_packetout(&tf->to, &op);
1280         }
1281
1282         *position = iframe - 1;
1283         return 1;
1284 }
1285
1286
1287 int FileOGG::check_sig(Asset *asset)
1288 {
1289
1290         FILE *fd = fopen(asset->path, "rb");
1291
1292 // Test for "OggS"
1293         fseek(fd, 0, SEEK_SET);
1294         char data[4];
1295
1296         (void)fread(data, 4, 1, fd);
1297
1298         if(data[0] == 'O' &&
1299                 data[1] == 'g' &&
1300                 data[2] == 'g' &&
1301                 data[3] == 'S')
1302         {
1303
1304                 fclose(fd);
1305 //              printf("Yay, we have an ogg file\n");
1306                 return 1;
1307         }
1308
1309         fclose(fd);
1310
1311         return 0;
1312
1313 }
1314
1315 int FileOGG::close_file()
1316 {
1317
1318         if (file->wr)
1319         {
1320                 if (final_write)
1321                 {
1322                         if (asset->audio_data)
1323                                 write_samples_vorbis(0, 0, 1); // set eos
1324                         if (asset->video_data)
1325                                 write_frames_theora(0, 1, 1); // set eos
1326                 }
1327                 flush_ogg(1); // flush all
1328
1329                 if (asset->audio_data)
1330                 {
1331                         vorbis_block_clear (&tf->vb);
1332                         vorbis_dsp_clear (&tf->vd);
1333                         vorbis_info_clear (&tf->vi);
1334                         ogg_stream_clear (&tf->vo);
1335                 }
1336                 if (asset->video_data)
1337                 {
1338                         theora_info_clear (&tf->ti);
1339                         ogg_stream_clear (&tf->to);
1340                         theora_clear (&tf->td);
1341                 }
1342
1343                 if (stream) fclose(stream);
1344                 stream = 0;
1345         }
1346         else
1347         if (file->rd)
1348         {
1349                 if (asset->audio_data)
1350                 {
1351                         vorbis_block_clear (&tf->vb);
1352                         vorbis_dsp_clear (&tf->vd);
1353                         vorbis_comment_clear (&tf->vc);
1354                         vorbis_info_clear (&tf->vi);
1355                         ogg_stream_clear (&tf->vo);
1356                 }
1357                 theora_comment_clear(&tf->tc);
1358                 if (asset->video_data)
1359                 {
1360                         theora_info_clear (&tf->ti);
1361                         theora_comment_clear (&tf->tc);
1362                         theora_clear (&tf->td);
1363                         ogg_stream_clear (&tf->to);
1364                 }
1365
1366
1367                 if (stream) fclose(stream);
1368                 stream = 0;
1369
1370         }
1371         return 0;
1372 }
1373
1374 int FileOGG::close_file_derived()
1375 {
1376 //printf("FileOGG::close_file_derived(): 1\n");
1377         if (stream) fclose(stream);
1378         stream = 0;
1379         return 0;
1380 }
1381
1382 int64_t FileOGG::get_video_position()
1383 {
1384 //      printf("GVP\n");
1385         return next_frame_position - start_frame;
1386 }
1387
1388 int64_t FileOGG::get_audio_position()
1389 {
1390         return next_sample_position - start_sample;
1391 }
1392
1393 int FileOGG::set_video_position(int64_t x)
1394 {
1395 //      x=0;
1396 //      printf("SVP: %lli\n", x);
1397
1398         next_frame_position = x + start_frame;
1399         return 1;
1400 }
1401
1402
1403 int FileOGG::colormodel_supported(int colormodel)
1404 {
1405 //      printf("CMS\n");
1406
1407         if (colormodel == BC_YUV420P)
1408                 return BC_YUV420P;
1409         else
1410                 return colormodel;
1411 }
1412 int FileOGG::get_best_colormodel(Asset *asset, int driver)
1413 {
1414
1415         return BC_YUV420P;
1416 }
1417
1418
1419 int FileOGG::read_frame(VFrame *frame)
1420 {
1421
1422         if(!stream) return 1;
1423
1424
1425         // skip is cheaper than seek, do it...
1426         int decode_frames = 0;
1427         int expect_keyframe = 0;
1428         if (ogg_frame_position >= 0 &&
1429             next_frame_position >= ogg_frame_position &&
1430             next_frame_position - ogg_frame_position < 32)
1431         {
1432                 decode_frames = next_frame_position - ogg_frame_position;
1433         } else
1434         if (next_frame_position != ogg_frame_position)
1435         {
1436                 if (!ogg_seek_to_keyframe(tf->videosync, tf->to.serialno,
1437                         next_frame_position, &ogg_frame_position)) {
1438                         eprintf(_("FileOGG:: Error while seeking to frame's keyframe"
1439                                 " (frame: %jd, keyframe: %jd)\n"),
1440                                 next_frame_position, ogg_frame_position);
1441                         return 1;
1442                 }
1443 //              printf("For frame: %lli, keyframe is: %lli\n", next_frame_position,ogg_frame_position);
1444                 // skip frames must be > 0 here
1445                 decode_frames = next_frame_position - ogg_frame_position;
1446                 if (decode_frames <= 0)
1447                 {
1448                         eprintf(_("FileOGG:: Error while seeking to keyframe,"
1449                                 " wrong keyframe number (frame: %jd, keyframe: %jd)\n"),
1450                                 next_frame_position, ogg_frame_position);
1451                         return 1;
1452
1453                 }
1454                 expect_keyframe = 1;
1455         }
1456
1457 //      printf("Frames to decode: %i\n", decode_frames);
1458
1459 // THIS IS WHAT CAUSES SLOWNESS OF SEEKING, but we can do nothing about it.
1460         int ret = -1;
1461         while (decode_frames > 0)
1462         {
1463                 ogg_page og;
1464                 ogg_packet op;
1465                 while (ogg_stream_packetpeek(&tf->to, NULL) != 1)
1466                 {
1467                         if (!ogg_get_next_page(tf->videosync, tf->to.serialno, &og))
1468                         {
1469                                 eprintf(_("FileOGG: Cannot find next page while seeking\n"));
1470                                 return 1;
1471                         }
1472                         ogg_stream_pagein(&tf->to, &og);
1473                 }
1474                 ogg_stream_packetout(&tf->to, &op);
1475                 if( theora_packet_isheader(&op) ) continue;
1476 //printf("frame %jd, key %d\n", ogg_frame_position, theora_packet_iskeyframe(&op));
1477                 if (expect_keyframe && !theora_packet_iskeyframe(&op))
1478                 {
1479                                 eprintf(_("FileOGG: Expecting keyframe, but didn't get it\n"));
1480                         //      return 1; this is generally not a fatal error
1481                 }
1482                 expect_keyframe = 0;
1483
1484                 // decode
1485                 ret = theora_decode_packetin(&tf->td, &op);
1486 //if(ret < 0 )printf("ret = %d\n", ret);
1487                 decode_frames --;
1488                 ogg_frame_position ++;
1489         }
1490         if( ret >= 0 ) {
1491                 yuv_buffer yuv;
1492                 int ret = theora_decode_YUVout (&tf->td, &yuv);
1493                 if (ret)
1494                 {
1495                         eprintf(_("FileOGG: theora_decode_YUVout failed with code %i\n"), ret);
1496                 }
1497
1498 // Dirty magic
1499 /*              yuv.y += yuv.y_stride * (yuv.y_height - 1);
1500                 yuv.u += yuv.uv_stride * (yuv.uv_height - 1);
1501                 yuv.v += yuv.uv_stride * (yuv.uv_height - 1);
1502                 yuv.y_stride = - yuv.y_stride;
1503                 yuv.uv_stride = - yuv.uv_stride;*/
1504                 VFrame *temp_frame = new VFrame(yuv.y, -1, 0,
1505                                         yuv.u - yuv.y, yuv.v - yuv.y, - yuv.y_stride,
1506                                         yuv.y_height, BC_YUV420P, - yuv.y_stride);
1507                 // copy into temp frame...
1508
1509                 BC_CModels::transfer(frame->get_rows(),
1510                         temp_frame->get_rows(),
1511                         frame->get_y(),
1512                         frame->get_u(),
1513                         frame->get_v(),
1514                         temp_frame->get_y(),
1515                         temp_frame->get_u(),
1516                         temp_frame->get_v(),
1517                         0,
1518                         0,
1519                         yuv.y_width,
1520                         yuv.y_height,
1521                         0,
1522                         0,
1523                         yuv.y_width,  // temp_frame can be larger than frame if width not dividable by 16
1524                         yuv.y_height,
1525                         BC_YUV420P,
1526                         frame->get_color_model(),
1527                         0,
1528                         -temp_frame->get_w(),
1529                         frame->get_w());
1530                 delete temp_frame;
1531         }
1532
1533         next_frame_position ++;
1534
1535         return 0;
1536 }
1537
1538
1539
1540 int FileOGG::ogg_decode_more_samples(sync_window_t *sw, long serialno)
1541 {
1542         ogg_page og;
1543         ogg_packet op;
1544         int done = 0;
1545         while (!done)
1546         {
1547                 while (ogg_stream_packetpeek(&tf->vo, NULL) != 1)
1548                 {
1549                         if (!ogg_get_next_page(sw, serialno, &og))
1550                         {
1551                                 eprintf(_("FileOGG: Cannot find next page while trying to decode more samples\n"));
1552                                 return 0;
1553                         }
1554                         ogg_stream_pagein(&tf->vo, &og);
1555                 }
1556                 ogg_stream_packetout(&tf->vo, &op);
1557                 if(!vorbis_synthesis(&tf->vb, &op))
1558                 {
1559                         done = 1;
1560                         vorbis_synthesis_blockin(&tf->vd, &tf->vb);
1561                 }
1562         }
1563         return 1;
1564 }
1565
1566 int FileOGG::set_audio_position(int64_t x)
1567 {
1568         next_sample_position = x + start_sample;
1569         return 0;
1570 }
1571
1572 int FileOGG::move_history(int from, int to, int len)
1573 {
1574         if( len > 0 ) {
1575                 for(int i = 0; i < asset->channels; i++)
1576                         memmove(pcm_history[i] + to, pcm_history[i] + from, sizeof(float) * len);
1577         }
1578         history_start = history_start + from - to;
1579         if( history_start < 0 ) history_start = 0;
1580         return 0;
1581 }
1582
1583 int FileOGG::read_samples(double *buffer, int64_t len)
1584 {
1585         float **vorbis_buffer;
1586         if (len <= 0)
1587                 return 0;
1588 //      printf("Reading samples: Channel: %i, number of samples: %lli, reading at :%lli\n", file->current_channel, len, next_sample_position);
1589 //              printf("\tnext_sample_position: %lli, length: %i\n", next_sample_position, len);
1590 //              printf("\thistory_start: %lli, length: %i\n", history_start, history_size);
1591
1592         if(len > HISTORY_MAX)
1593         {
1594                 eprintf(_("max samples=%d\n"), HISTORY_MAX);
1595                 return 1;
1596         }
1597
1598         if(!pcm_history)
1599         {
1600                 pcm_history = new float*[asset->channels];
1601                 for(int i = 0; i < asset->channels; i++)
1602                         pcm_history[i] = new float[HISTORY_MAX];
1603                 history_start = -100000000; // insane value to trigger reload
1604                 history_size = 0;
1605         }
1606
1607         int64_t hole_start = -1;
1608         int64_t hole_len = -1;
1609         int64_t hole_absstart = -1;
1610         int64_t hole_fill = 0;
1611
1612         if (history_start < next_sample_position && history_start + history_size > next_sample_position && history_start + history_size < next_sample_position + len)
1613         {
1614 //              printf("a\n");
1615                 hole_fill = 1;
1616                 hole_start = history_start + history_size - next_sample_position;
1617                 hole_len = history_size - hole_start;
1618                 hole_absstart = next_sample_position + hole_start;
1619                 move_history(next_sample_position - history_start,
1620                                 0,
1621                                 hole_start); //
1622
1623         } else
1624         if (next_sample_position < history_start && history_start < next_sample_position + len)
1625         {
1626 //              printf("b\n");
1627                 hole_fill = 1;
1628                 hole_start = 0;
1629                 hole_len = history_start - next_sample_position;
1630                 hole_absstart = next_sample_position;
1631 //              printf("hs: %lli, histstart: %lli, next_sample_position: %lli\n", history_size, history_start, next_sample_position);
1632 //              printf("to: 0, from: %lli, size: %lli\n",
1633  //                             history_start - next_sample_position,
1634 //                              history_size - history_start + next_sample_position);
1635                 move_history(0,
1636                                 history_start - next_sample_position,
1637                                 history_size - history_start + next_sample_position);
1638
1639         } else
1640         if (next_sample_position >= history_start + history_size || next_sample_position + len <= history_start)
1641         {
1642 //              printf("c\n");
1643                 hole_fill = 1;
1644                 hole_start = 0;
1645                 hole_len = HISTORY_MAX;
1646                 hole_absstart = next_sample_position;
1647                 history_start = hole_absstart;
1648                 history_size = hole_len;
1649         }
1650
1651         if (hole_fill)
1652         {
1653                 if (hole_start < 0 || hole_len <= 0 || hole_absstart < 0)
1654                 {
1655                         eprintf(_("FileOGG: Error at finding out what to read from file\n"));
1656                         return 1;
1657                 }
1658
1659                 if (hole_absstart + hole_len > asset->audio_length + start_sample)
1660                 {
1661                         hole_len = asset->audio_length + start_sample - hole_absstart;
1662                         history_size = asset->audio_length + start_sample - history_start;
1663                 } else
1664                 {
1665                         history_size = HISTORY_MAX;
1666                 }
1667
1668
1669 //              printf("Decode samples at position: %lli, samples to read: %lli\n", hole_absstart, hole_len);
1670
1671                 int64_t samples_read = 0;
1672                 if (ogg_sample_position != hole_absstart)
1673                 {
1674                         ogg_sample_position = hole_absstart;
1675                         if (!ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, ogg_sample_position))
1676                         {
1677                                 eprintf(_("Error while seeking to sample\n"));
1678                                 return 1;
1679                         }
1680                 }
1681                 // now we have ogg_sample_positon aligned
1682                 int64_t samples_to_read = hole_len;
1683                 while (samples_read < hole_len)
1684                 {
1685                         int64_t waiting_samples = vorbis_synthesis_pcmout(&tf->vd, &vorbis_buffer);
1686                         int64_t takeout_samples;
1687                         if (waiting_samples > samples_to_read - samples_read)
1688                                 takeout_samples = samples_to_read - samples_read;
1689                         else
1690                                 takeout_samples = waiting_samples;
1691
1692 //                      printf("takeout samples: %lli, samples_read: %lli\n", takeout_samples, samples_read);
1693
1694                         if(waiting_samples)
1695                         {
1696                                 for(int i = 0; i < asset->channels; i++)
1697                                 {
1698                                         float *input = vorbis_buffer[i];
1699                                         float *output = pcm_history[i] + hole_start;
1700                                         // TODO: use memcpy
1701                                         for(int j = 0; j < takeout_samples ; j++)
1702                                         {
1703                                                 output[j] = input[j];
1704                                         }
1705                                 }
1706                         }
1707
1708                         vorbis_synthesis_read(&tf->vd, takeout_samples);
1709                         samples_read += takeout_samples;
1710                         ogg_sample_position += takeout_samples;
1711                         hole_start += takeout_samples;
1712
1713                         if (samples_read < hole_len)
1714                                 if (!ogg_decode_more_samples(tf->audiosync, tf->vo.serialno))
1715                                 {
1716                                         ogg_sample_position = -1;
1717                                         return 1;
1718                                 }
1719
1720
1721                 }
1722         }
1723
1724         // now we can be sure our history is correct, just copy it out
1725         if (next_sample_position < history_start || next_sample_position + len > history_start + history_size)
1726         {
1727                 printf(_("FileOGG:: History not aligned properly \n"));
1728                 printf(_("\tnext_sample_position: %jd, length: %jd\n"), next_sample_position, len);
1729                 printf(_("\thistory_start: %jd, length: %jd\n"), history_start, history_size);
1730                 return 1;
1731         }
1732         float *input = pcm_history[file->current_channel] + next_sample_position - history_start;
1733         for (int i = 0; i < len; i++)
1734                 buffer[i] = input[i];
1735
1736         next_sample_position += len;
1737         return 0;
1738 }
1739
1740
1741 int FileOGG::write_audio_page()
1742 {
1743         int ret;
1744
1745         ret = fwrite(tf->apage, 1, tf->apage_len, stream);
1746         if(ret < tf->apage_len)
1747         {
1748                 eprintf(_("error writing audio page\n"));
1749         }
1750         tf->apage_valid = 0;
1751         tf->a_pkg -= ogg_page_packets((ogg_page *)&tf->apage);
1752         return ret;
1753 }
1754
1755 int FileOGG::write_video_page()
1756 {
1757         int ret;
1758
1759         ret = fwrite(tf->vpage, 1, tf->vpage_len, stream);
1760         if(ret < tf->vpage_len)
1761         {
1762                 eprintf(_("error writing video page\n"));
1763         }
1764         tf->vpage_valid = 0;
1765         tf->v_pkg -= ogg_page_packets((ogg_page *)&tf->vpage);
1766         return ret;
1767 }
1768
1769 void FileOGG::flush_ogg (int e_o_s)
1770 {
1771     int len;
1772     ogg_page og;
1773
1774         flush_lock->lock();
1775     /* flush out the ogg pages  */
1776     while(1) {
1777       /* Get pages for both streams, if not already present, and if available.*/
1778       if(asset->video_data && !tf->vpage_valid) {
1779         // this way seeking is much better,
1780         // not sure if 23 packets  is a good value. it works though
1781         int v_next=0;
1782         if(tf->v_pkg>22 && ogg_stream_flush(&tf->to, &og) > 0) {
1783           v_next=1;
1784         }
1785         else if(ogg_stream_pageout(&tf->to, &og) > 0) {
1786           v_next=1;
1787         }
1788         if(v_next) {
1789           len = og.header_len + og.body_len;
1790           if(tf->vpage_buffer_length < len) {
1791             tf->vpage = (unsigned char *)realloc(tf->vpage, len);
1792             tf->vpage_buffer_length = len;
1793           }
1794           tf->vpage_len = len;
1795           memcpy(tf->vpage, og.header, og.header_len);
1796           memcpy(tf->vpage+og.header_len , og.body, og.body_len);
1797
1798           tf->vpage_valid = 1;
1799           tf->videotime = theora_granule_time (&tf->td,
1800                   ogg_page_granulepos(&og));
1801         }
1802       }
1803       if(asset->audio_data && !tf->apage_valid) {
1804         // this way seeking is much better,
1805         // not sure if 23 packets  is a good value. it works though
1806         int a_next=0;
1807         if(tf->a_pkg>22 && ogg_stream_flush(&tf->vo, &og) > 0) {
1808           a_next=1;
1809         }
1810         else if(ogg_stream_pageout(&tf->vo, &og) > 0) {
1811           a_next=1;
1812         }
1813         if(a_next) {
1814           len = og.header_len + og.body_len;
1815           if(tf->apage_buffer_length < len) {
1816             tf->apage = (unsigned char *)realloc(tf->apage, len);
1817             tf->apage_buffer_length = len;
1818           }
1819           tf->apage_len = len;
1820           memcpy(tf->apage, og.header, og.header_len);
1821           memcpy(tf->apage+og.header_len , og.body, og.body_len);
1822
1823           tf->apage_valid = 1;
1824           tf->audiotime= vorbis_granule_time (&tf->vd,
1825                   ogg_page_granulepos(&og));
1826         }
1827       }
1828
1829       if(!asset->audio_data && tf->vpage_valid) {
1830         write_video_page();
1831       }
1832       else if(!asset->video_data && tf->apage_valid) {
1833         write_audio_page();
1834       }
1835       /* We're using both. We can output only:
1836        *  a) If we have valid pages for both
1837        *  b) At EOS, for the remaining stream.
1838        */
1839       else if(tf->vpage_valid && tf->apage_valid) {
1840         /* Make sure they're in the right order. */
1841         if(tf->videotime <= tf->audiotime)
1842           write_video_page();
1843         else
1844           write_audio_page();
1845       }
1846       else if(e_o_s && tf->vpage_valid) {
1847           write_video_page();
1848       }
1849       else if(e_o_s && tf->apage_valid) {
1850           write_audio_page();
1851       }
1852       else {
1853         break; /* Nothing more writable at the moment */
1854       }
1855     }
1856         flush_lock->unlock();
1857 }
1858
1859
1860 int FileOGG::write_samples_vorbis(double **buffer, int64_t len, int e_o_s)
1861 {
1862         float **vorbis_buffer;
1863         static int samples = 0;
1864         samples += len;
1865         if(e_o_s)
1866         {
1867                 vorbis_analysis_wrote (&tf->vd, 0);
1868         } else
1869         {
1870                 vorbis_buffer = vorbis_analysis_buffer (&tf->vd, len);
1871                 /* double to float conversion */
1872                 for(int i = 0; i<asset->channels; i++)
1873                 {
1874                         for (int j = 0; j < len; j++)
1875                         {
1876                                 vorbis_buffer[i][j] = buffer[i][j];
1877                         }
1878                 }
1879                 vorbis_analysis_wrote (&tf->vd, len);
1880         }
1881         while(vorbis_analysis_blockout (&tf->vd, &tf->vb) == 1)
1882         {
1883             /* analysis, assume we want to use bitrate management */
1884             vorbis_analysis (&tf->vb, NULL);
1885             vorbis_bitrate_addblock (&tf->vb);
1886
1887             /* weld packets into the bitstream */
1888             while (vorbis_bitrate_flushpacket (&tf->vd, &tf->op))
1889             {
1890                 flush_lock->lock();
1891                 ogg_stream_packetin (&tf->vo, &tf->op);
1892                 tf->a_pkg++;
1893                 flush_lock->unlock();
1894             }
1895
1896         }
1897         flush_ogg(0);
1898         return 0;
1899
1900
1901 }
1902
1903 int FileOGG::write_samples(double **buffer, int64_t len)
1904 {
1905         if (len > 0)
1906                 return write_samples_vorbis(buffer, len, 0);
1907         return 0;
1908 }
1909
1910 int FileOGG::write_frames_theora(VFrame ***frames, int len, int e_o_s)
1911 {
1912         // due to clumsy theora's design we need to delay writing out by one frame
1913         // always stay one frame behind, so we can correctly encode e_o_s
1914         int result = 0;
1915         if(!stream) return 0;
1916
1917         for(int j = 0; j < len && !result; j++)
1918         {
1919                 if (temp_frame) // encode previous frame if available
1920                 {
1921                         yuv_buffer yuv;
1922                         yuv.y_width = tf->ti.width;
1923                         yuv.y_height = tf->ti.height;
1924                         yuv.y_stride = temp_frame->get_bytes_per_line();
1925
1926                         yuv.uv_width = tf->ti.width / 2;
1927                         yuv.uv_height = tf->ti.height / 2;
1928                         yuv.uv_stride = temp_frame->get_bytes_per_line() /2;
1929
1930                         yuv.y = temp_frame->get_y();
1931                         yuv.u = temp_frame->get_u();
1932                         yuv.v = temp_frame->get_v();
1933                         int ret = theora_encode_YUVin (&tf->td, &yuv);
1934                         if (ret)
1935                         {
1936                                 printf(_("FileOGG: theora_encode_YUVin failed with code %i\n"), ret);
1937                                 printf("yuv_buffer: y_width: %i, y_height: %i, y_stride: %i,"
1938                                         " uv_width: %i, uv_height: %i, uv_stride: %i\n",
1939                                         yuv.y_width, yuv.y_height, yuv.y_stride,
1940                                         yuv.uv_width, yuv.uv_height, yuv.uv_stride);
1941                         }
1942                         while(theora_encode_packetout (&tf->td, e_o_s, &tf->op)) {
1943                                 flush_lock->lock();
1944                                 ogg_stream_packetin (&tf->to, &tf->op);
1945                                 tf->v_pkg++;
1946                                 flush_lock->unlock();
1947             }
1948                         flush_ogg(0);  // eos flush is done later at close_file
1949                 }
1950 // If we have e_o_s, don't encode any new frames
1951                 if (e_o_s)
1952                         break;
1953
1954                 if (!temp_frame)
1955                 {
1956                         temp_frame = new VFrame ( tf->ti.width, tf->ti.height, BC_YUV420P, 0);
1957                 }
1958                 VFrame *frame = frames[0][j];
1959                 int in_color_model = frame->get_color_model();
1960                 if (in_color_model == BC_YUV422P &&
1961                     temp_frame->get_w() == frame->get_w() &&
1962                     temp_frame->get_h() == frame->get_h() &&
1963                     temp_frame->get_bytes_per_line() == frame->get_bytes_per_line())
1964                 {
1965                         temp_frame->copy_from(frame);
1966                 } else
1967                 {
1968
1969                         BC_CModels::transfer(temp_frame->get_rows(),
1970                                 frame->get_rows(),
1971                                 temp_frame->get_y(),
1972                                 temp_frame->get_u(),
1973                                 temp_frame->get_v(),
1974                                 frame->get_y(),
1975                                 frame->get_u(),
1976                                 frame->get_v(),
1977                                 0,
1978                                 0,
1979                                 frame->get_w(),
1980                                 frame->get_h(),
1981                                 0,
1982                                 0,
1983                                 frame->get_w(),  // temp_frame can be larger than frame if width not dividable by 16
1984                                 frame->get_h(),
1985                                 frame->get_color_model(),
1986                                 BC_YUV420P,
1987                                 0,
1988                                 frame->get_w(),
1989                                 temp_frame->get_w());
1990
1991                 }
1992         }
1993
1994         return 0;
1995 }
1996
1997
1998 int FileOGG::write_frames(VFrame ***frames, int len)
1999 {
2000
2001         return write_frames_theora(frames, len, 0);
2002 }
2003
2004 OGGConfigAudio::OGGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
2005  : BC_Window(_(PROGRAM_NAME ": Audio Compression"),
2006         parent_window->get_abs_cursor_x(1),
2007         parent_window->get_abs_cursor_y(1),
2008         350,
2009         250)
2010 {
2011         this->parent_window = parent_window;
2012         this->asset = asset;
2013 }
2014
2015 OGGConfigAudio::~OGGConfigAudio()
2016 {
2017
2018 }
2019
2020 void OGGConfigAudio::create_objects()
2021 {
2022 //      add_tool(new BC_Title(10, 10, _("There are no audio options for this format")));
2023
2024         int x = 10, y = 10;
2025         int x1 = 150;
2026         char string[BCTEXTLEN];
2027
2028         lock_window("OGGConfigAudio::create_objects");
2029         add_tool(fixed_bitrate = new OGGVorbisFixedBitrate(x, y, this));
2030         add_tool(variable_bitrate = new OGGVorbisVariableBitrate(x1, y, this));
2031
2032         y += 30;
2033         sprintf(string, "%d", asset->vorbis_min_bitrate);
2034         add_tool(new BC_Title(x, y, _("Min bitrate:")));
2035         add_tool(new OGGVorbisMinBitrate(x1, y, this, string));
2036
2037         y += 30;
2038         add_tool(new BC_Title(x, y, _("Avg bitrate:")));
2039         sprintf(string, "%d", asset->vorbis_bitrate);
2040         add_tool(new OGGVorbisAvgBitrate(x1, y, this, string));
2041
2042         y += 30;
2043         add_tool(new BC_Title(x, y, _("Max bitrate:")));
2044         sprintf(string, "%d", asset->vorbis_max_bitrate);
2045         add_tool(new OGGVorbisMaxBitrate(x1, y, this, string));
2046
2047
2048         add_subwindow(new BC_OKButton(this));
2049         show_window(1);
2050         unlock_window();
2051 }
2052
2053 int OGGConfigAudio::close_event()
2054 {
2055         set_done(0);
2056         return 1;
2057 }
2058
2059 OGGVorbisFixedBitrate::OGGVorbisFixedBitrate(int x, int y, OGGConfigAudio *gui)
2060  : BC_Radial(x, y, !gui->asset->vorbis_vbr, _("Average bitrate"))
2061 {
2062         this->gui = gui;
2063 }
2064 int OGGVorbisFixedBitrate::handle_event()
2065 {
2066         gui->asset->vorbis_vbr = 0;
2067         gui->variable_bitrate->update(0);
2068         return 1;
2069 }
2070
2071 OGGVorbisVariableBitrate::OGGVorbisVariableBitrate(int x, int y, OGGConfigAudio *gui)
2072  : BC_Radial(x, y, gui->asset->vorbis_vbr, _("Variable bitrate"))
2073 {
2074         this->gui = gui;
2075 }
2076 int OGGVorbisVariableBitrate::handle_event()
2077 {
2078         gui->asset->vorbis_vbr = 1;
2079         gui->fixed_bitrate->update(0);
2080         return 1;
2081 }
2082
2083
2084 OGGVorbisMinBitrate::OGGVorbisMinBitrate(int x,
2085         int y,
2086         OGGConfigAudio *gui,
2087         char *text)
2088  : BC_TextBox(x, y, 180, 1, text)
2089 {
2090         this->gui = gui;
2091 }
2092 int OGGVorbisMinBitrate::handle_event()
2093 {
2094         gui->asset->vorbis_min_bitrate = atol(get_text());
2095         return 1;
2096 }
2097
2098
2099
2100 OGGVorbisMaxBitrate::OGGVorbisMaxBitrate(int x,
2101         int y,
2102         OGGConfigAudio *gui,
2103         char *text)
2104  : BC_TextBox(x, y, 180, 1, text)
2105 {
2106         this->gui = gui;
2107 }
2108 int OGGVorbisMaxBitrate::handle_event()
2109 {
2110         gui->asset->vorbis_max_bitrate = atol(get_text());
2111         return 1;
2112 }
2113
2114
2115
2116 OGGVorbisAvgBitrate::OGGVorbisAvgBitrate(int x, int y, OGGConfigAudio *gui, char *text)
2117  : BC_TextBox(x, y, 180, 1, text)
2118 {
2119         this->gui = gui;
2120 }
2121 int OGGVorbisAvgBitrate::handle_event()
2122 {
2123         gui->asset->vorbis_bitrate = atol(get_text());
2124         return 1;
2125 }
2126
2127
2128
2129
2130
2131 OGGConfigVideo::OGGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
2132  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
2133         parent_window->get_abs_cursor_x(1),
2134         parent_window->get_abs_cursor_y(1),
2135         450,
2136         220)
2137 {
2138         this->parent_window = parent_window;
2139         this->asset = asset;
2140 }
2141
2142 OGGConfigVideo::~OGGConfigVideo()
2143 {
2144
2145 }
2146
2147 void OGGConfigVideo::create_objects()
2148 {
2149 //      add_tool(new BC_Title(10, 10, _("There are no video options for this format")));
2150         int x = 10, y = 10;
2151         int x1 = x + 150;
2152         int x2 = x + 300;
2153
2154         lock_window("OGGConfigVideo::create_objects");
2155         add_subwindow(new BC_Title(x, y + 5, _("Bitrate:")));
2156         add_subwindow(new OGGTheoraBitrate(x1, y, this));
2157         add_subwindow(fixed_bitrate = new OGGTheoraFixedBitrate(x2, y, this));
2158         y += 30;
2159
2160         add_subwindow(new BC_Title(x, y, _("Quality:")));
2161         add_subwindow(new BC_ISlider(x + 80,
2162                 y,
2163                 0,
2164                 200,
2165                 200,
2166                 0,
2167                 63,
2168                 asset->theora_quality,
2169                 0,
2170                 0,
2171                 &asset->theora_quality));
2172
2173
2174         add_subwindow(fixed_quality = new OGGTheoraFixedQuality(x2, y, this));
2175         y += 30;
2176
2177         add_subwindow(new BC_Title(x, y, _("Keyframe frequency:")));
2178         OGGTheoraKeyframeFrequency *keyframe_frequency =
2179                 new OGGTheoraKeyframeFrequency(x1 + 60, y, this);
2180         keyframe_frequency->create_objects();
2181         y += 30;
2182
2183         add_subwindow(new BC_Title(x, y, _("Keyframe force frequency:")));
2184         OGGTheoraKeyframeForceFrequency *keyframe_force_frequency =
2185                 new OGGTheoraKeyframeForceFrequency(x1 + 60, y, this);
2186         keyframe_force_frequency->create_objects();
2187         y += 30;
2188
2189         add_subwindow(new BC_Title(x, y, _("Sharpness:")));
2190         OGGTheoraSharpness *sharpness =
2191                 new OGGTheoraSharpness(x1 + 60, y, this);
2192         sharpness->create_objects();
2193         y += 30;
2194
2195
2196         add_subwindow(new BC_OKButton(this));
2197         show_window(1);
2198         unlock_window();
2199 }
2200
2201
2202
2203
2204 int OGGConfigVideo::close_event()
2205 {
2206         set_done(0);
2207         return 1;
2208 }
2209
2210 OGGTheoraBitrate::OGGTheoraBitrate(int x, int y, OGGConfigVideo *gui)
2211  : BC_TextBox(x, y, 100, 1, gui->asset->theora_bitrate)
2212 {
2213         this->gui = gui;
2214 }
2215
2216
2217 int OGGTheoraBitrate::handle_event()
2218 {
2219         // TODO: MIN / MAX check
2220         gui->asset->theora_bitrate = atol(get_text());
2221         return 1;
2222 };
2223
2224
2225
2226
2227 OGGTheoraFixedBitrate::OGGTheoraFixedBitrate(int x, int y, OGGConfigVideo *gui)
2228  : BC_Radial(x, y, gui->asset->theora_fix_bitrate, _("Fixed bitrate"))
2229 {
2230         this->gui = gui;
2231 }
2232
2233 int OGGTheoraFixedBitrate::handle_event()
2234 {
2235         update(1);
2236         gui->asset->theora_fix_bitrate = 1;
2237         gui->fixed_quality->update(0);
2238         return 1;
2239 };
2240
2241 OGGTheoraFixedQuality::OGGTheoraFixedQuality(int x, int y, OGGConfigVideo *gui)
2242  : BC_Radial(x, y, !gui->asset->theora_fix_bitrate, _("Fixed quality"))
2243 {
2244         this->gui = gui;
2245 }
2246
2247 int OGGTheoraFixedQuality::handle_event()
2248 {
2249         update(1);
2250         gui->asset->theora_fix_bitrate = 0;
2251         gui->fixed_bitrate->update(0);
2252         return 1;
2253 };
2254
2255 OGGTheoraKeyframeFrequency::OGGTheoraKeyframeFrequency(int x, int y, OGGConfigVideo *gui)
2256  : BC_TumbleTextBox(gui,
2257         (int64_t)gui->asset->theora_keyframe_frequency,
2258         (int64_t)1,
2259         (int64_t)500,
2260         x,
2261         y,
2262         40)
2263 {
2264         this->gui = gui;
2265 }
2266
2267 int OGGTheoraKeyframeFrequency::handle_event()
2268 {
2269         gui->asset->theora_keyframe_frequency = atol(get_text());
2270         return 1;
2271 }
2272
2273 OGGTheoraKeyframeForceFrequency::OGGTheoraKeyframeForceFrequency(int x, int y, OGGConfigVideo *gui)
2274  : BC_TumbleTextBox(gui,
2275         (int64_t)gui->asset->theora_keyframe_frequency,
2276         (int64_t)1,
2277         (int64_t)500,
2278         x,
2279         y,
2280         40)
2281 {
2282         this->gui = gui;
2283 }
2284
2285 int OGGTheoraKeyframeForceFrequency::handle_event()
2286 {
2287         gui->asset->theora_keyframe_frequency = atol(get_text());
2288         return 1;
2289 }
2290
2291
2292 OGGTheoraSharpness::OGGTheoraSharpness(int x, int y, OGGConfigVideo *gui)
2293  : BC_TumbleTextBox(gui,
2294         (int64_t)gui->asset->theora_sharpness,
2295         (int64_t)0,
2296         (int64_t)2,
2297         x,
2298         y,
2299         40)
2300 {
2301         this->gui = gui;
2302 }
2303
2304 int OGGTheoraSharpness::handle_event()
2305 {
2306         gui->asset->theora_sharpness = atol(get_text());
2307         return 1;
2308 }
2309
2310
2311 PackagingEngineOGG::PackagingEngineOGG()
2312 {
2313         packages = 0;
2314         default_asset = 0;
2315 }
2316
2317 PackagingEngineOGG::~PackagingEngineOGG()
2318 {
2319         if(packages)
2320         {
2321                 for(int i = 0; i < total_packages; i++)
2322                         delete packages[i];
2323                 delete [] packages;
2324         }
2325         if (default_asset)
2326                 delete default_asset;
2327 }
2328
2329
2330
2331 int PackagingEngineOGG::create_packages_single_farm(
2332                 EDL *edl,
2333                 Preferences *preferences,
2334                 Asset *default_asset,
2335                 double total_start,
2336                 double total_end)
2337 {
2338         this->total_start = total_start;
2339         this->total_end = total_end;
2340         this->edl = edl;
2341
2342         this->preferences = preferences;
2343
2344 // We make A COPY of the asset, because we set audio_data = 0 on local asset which is the same copy as default_asset...
2345 // Should be taken care of somewhere else actually
2346         this->default_asset = new Asset(*default_asset);
2347
2348         audio_start = Units::to_int64(total_start * default_asset->sample_rate);
2349         video_start = Units::to_int64(total_start * default_asset->frame_rate);
2350         audio_position = audio_start;
2351         video_position = video_start;
2352         audio_end = Units::to_int64(total_end * default_asset->sample_rate);
2353         video_end = Units::to_int64(total_end * default_asset->frame_rate);
2354         current_package = 0;
2355
2356         double total_len = total_end - total_start;
2357 //printf("PackageDispatcher::create_packages: %f / %d = %f\n", total_len, total_packages, package_len);
2358
2359         total_packages = 0;
2360         if (default_asset->audio_data)
2361                 total_packages++;
2362         if (default_asset->video_data)
2363                 total_packages += preferences->renderfarm_job_count;
2364
2365         packages = new RenderPackage*[total_packages];
2366
2367         int local_current_package = 0;
2368         if (default_asset->audio_data)
2369         {
2370                 packages[local_current_package] = new RenderPackage;
2371                 snprintf(packages[current_package]->path,
2372                         sizeof(packages[current_package]->path),
2373                         "%s.audio", default_asset->path);
2374                 local_current_package++;
2375         }
2376
2377         if (default_asset->video_data)
2378         {
2379                 video_package_len = (total_len) / preferences->renderfarm_job_count;
2380                 int current_number;    // The number being injected into the filename.
2381                 int number_start;      // Character in the filename path at which the number begins
2382                 int total_digits;      // Total number of digits including padding the user specified.
2383
2384                 Render::get_starting_number(default_asset->path,
2385                         current_number,
2386                         number_start,
2387                         total_digits,
2388                         3);
2389
2390                 for(int i = 0; i < preferences->renderfarm_job_count; i++)
2391                 {
2392                         RenderPackage *package = packages[local_current_package] = new RenderPackage;
2393                         Render::create_filename(package->path,
2394                                 default_asset->path,
2395                                 current_number,
2396                                 total_digits,
2397                                 number_start);
2398                         current_number++;
2399                         local_current_package++;
2400                 }
2401         }
2402         return 0;
2403 }
2404
2405 RenderPackage* PackagingEngineOGG::get_package_single_farm(double frames_per_second,
2406                 int client_number,
2407                 int use_local_rate)
2408 {
2409
2410 //printf("PackageDispatcher::get_package %ld %ld %ld %ld\n", audio_position, video_position, audio_end, video_end);
2411         if (current_package == total_packages)
2412                 return 0;
2413
2414         RenderPackage *result = 0;
2415         if (current_package == 0 && default_asset->audio_data)
2416         {
2417                 result = packages[0];
2418                 result->audio_start = audio_start;
2419                 result->video_start = video_start;
2420                 result->audio_end = audio_end;
2421                 result->video_end = video_end;
2422                 result->audio_do = 1;
2423                 result->video_do = 0;
2424         } else if (default_asset->video_data)
2425         {
2426                 // Do not do any scaling according to node speed, so we know we can get evenly distributed 'forced' keyframes
2427                 result = packages[current_package];
2428                 result->audio_do = 0;
2429                 result->video_do = 1;
2430
2431                 result->audio_start = audio_position;
2432                 result->video_start = video_position;
2433                 result->audio_end = audio_position +
2434                         Units::round(video_package_len * default_asset->sample_rate);
2435                 result->video_end = video_position +
2436                         Units::round(video_package_len * default_asset->frame_rate);
2437
2438 // Last package... take it all!
2439                 if (current_package == total_packages -1 )
2440                 {
2441                         result->audio_end = audio_end;
2442                         result->video_end = video_end;
2443                 }
2444
2445                 audio_position = result->audio_end;
2446                 video_position = result->video_end;
2447
2448         }
2449
2450         current_package ++;
2451         return result;
2452
2453 }
2454
2455 void PackagingEngineOGG::get_package_paths(ArrayList<char*> *path_list)
2456 {
2457         for(int i = 0; i < total_packages; i++)
2458         {
2459                 path_list->append(strdup(packages[i]->path));
2460         }
2461 // We will mux to the the final file at the end!
2462         path_list->append(strdup(default_asset->path));
2463         path_list->set_free();
2464 }
2465
2466 int64_t PackagingEngineOGG::get_progress_max()
2467 {
2468         return Units::to_int64(default_asset->sample_rate *
2469                         (total_end - total_start)) * 2+
2470                 Units::to_int64(preferences->render_preroll *
2471                         total_packages *
2472                         default_asset->sample_rate);
2473 }
2474
2475 int PackagingEngineOGG::packages_are_done()
2476 {
2477
2478
2479 // Mux audio and video into one file
2480
2481 // First fix our asset... have to workaround the bug of corruption of local asset
2482 //      Render::check_asset(edl, *default_asset);
2483
2484         Asset *video_asset = 0, *audio_asset = 0;
2485         File *audio_file_gen = 0, *video_file_gen = 0;
2486         FileOGG *video_file = 0, *audio_file = 0;
2487         ogg_stream_state audio_in_stream, video_in_stream;
2488
2489         int local_current_package = 0;
2490         if (default_asset->audio_data)
2491         {
2492                 audio_asset = new Asset(packages[local_current_package]->path);
2493                 local_current_package++;
2494
2495                 audio_file_gen = new File();
2496                 audio_file_gen->open_file(preferences, audio_asset, 1, 0);
2497                 audio_file = (FileOGG*) audio_file_gen->file;
2498                 ogg_stream_init(&audio_in_stream, audio_file->tf->vo.serialno);
2499                 audio_file->ogg_seek_to_databegin(audio_file->tf->audiosync, audio_file->tf->vo.serialno);
2500         }
2501
2502         if (default_asset->video_data)
2503         {
2504                 video_asset = new Asset(packages[local_current_package]->path);
2505                 local_current_package++;
2506
2507                 video_file_gen = new File();
2508                 video_file_gen->open_file(preferences, video_asset, 1, 0);
2509                 video_file = (FileOGG*) video_file_gen->file;
2510                 ogg_stream_init(&video_in_stream, video_file->tf->to.serialno);
2511                 video_file->ogg_seek_to_databegin(video_file->tf->videosync, video_file->tf->to.serialno);
2512         }
2513
2514 // Output file
2515         File *output_file_gen = new File();
2516         output_file_gen->open_file(preferences, default_asset, 0, 1);
2517         FileOGG *output_file = (FileOGG*) output_file_gen->file;
2518
2519         //ogg_page og;    /* one Ogg bitstream page.  Vorbis packets are inside */
2520         ogg_packet op;  /* one raw packet of data for decode */
2521
2522
2523         int audio_ready = default_asset->audio_data;
2524         int video_ready = default_asset->video_data;
2525         int64_t video_packetno = 1;
2526         int64_t audio_packetno = 1;
2527         int64_t frame_offset = 0;
2528         int64_t current_frame = 0;
2529         while ((default_asset->audio_data && audio_ready) || (default_asset->video_data && video_ready))
2530         {
2531                 if (video_ready)
2532                 {
2533                         while (ogg_stream_packetpeek(&video_in_stream, NULL) != 1) // get as many pages as needed for one package
2534                         {
2535                                 if (!video_file->ogg_get_next_page(video_file->tf->videosync, video_file->tf->to.serialno, &video_file->tf->videopage))
2536                                 {
2537                                         // We are at the end of our file, see if it is more and open more if there is
2538                                         if (local_current_package < total_packages)
2539                                         {
2540                                                 frame_offset = current_frame +1;
2541                                                 ogg_stream_clear(&video_in_stream);
2542                                                 video_file_gen->close_file();
2543                                                 delete video_file_gen;
2544                                                 delete video_asset;
2545                                                 video_asset = new Asset(packages[local_current_package]->path);
2546                                                 local_current_package++;
2547
2548                                                 video_file_gen = new File();
2549                                                 video_file_gen->open_file(preferences, video_asset, 1, 0);
2550                                                 video_file = (FileOGG*) video_file_gen->file;
2551                                                 ogg_stream_init(&video_in_stream, video_file->tf->to.serialno);
2552                                                 video_file->ogg_seek_to_databegin(video_file->tf->videosync, video_file->tf->to.serialno);
2553
2554                                         } else
2555                                                 video_ready = 0;
2556                                         break;
2557                                 }
2558                                 ogg_stream_pagein(&video_in_stream, &video_file->tf->videopage);
2559                         }
2560                         while (ogg_stream_packetpeek(&video_in_stream, NULL) == 1) // get all packets out of the page
2561                         {
2562                                 ogg_stream_packetout(&video_in_stream, &op);
2563                                 if (local_current_package != total_packages) // keep it from closing the stream
2564                                         op.e_o_s = 0;
2565                                 if (video_packetno != 1)                     // if this is not the first video package do not start with b_o_s
2566                                         op.b_o_s = 0;
2567                                 else
2568                                         op.b_o_s = 1;
2569                                 op.packetno = video_packetno;
2570                                 video_packetno ++;
2571                                 int64_t granulepos = op.granulepos;
2572                                 if (granulepos != -1)
2573                                 {
2574                                 // Fix granulepos!
2575                                         int64_t rel_iframe = granulepos >> video_file->theora_keyframe_granule_shift;
2576                                         int64_t rel_pframe = granulepos - (rel_iframe << video_file->theora_keyframe_granule_shift);
2577                                         int64_t rel_current_frame = rel_iframe + rel_pframe;
2578                                         current_frame = frame_offset + rel_current_frame;
2579                                         int64_t abs_iframe = current_frame - rel_pframe;
2580
2581                                         op.granulepos = (abs_iframe << video_file->theora_keyframe_granule_shift) + rel_pframe;
2582
2583 //                                      printf("iframe: %i, pframe: %i, granulepos: %i, op.packetno %lli, abs_iframe: %i\n", rel_iframe, rel_pframe, granulepos, op.packetno, abs_iframe);
2584
2585                                 }
2586                                 ogg_stream_packetin (&output_file->tf->to, &op);
2587                                 output_file->tf->v_pkg++;
2588                         }
2589                 }
2590                 if (audio_ready)
2591                 {
2592                         while (ogg_stream_packetpeek(&audio_in_stream, NULL) != 1) // get as many pages as needed for one package
2593                         {
2594                                 if (!audio_file->ogg_get_next_page(audio_file->tf->audiosync, audio_file->tf->vo.serialno, &audio_file->tf->audiopage))
2595                                 {
2596                                         audio_ready = 0;
2597                                         break;
2598                                 }
2599                                 ogg_stream_pagein(&audio_in_stream, &audio_file->tf->audiopage);
2600                         }
2601                         while (ogg_stream_packetpeek(&audio_in_stream, NULL) == 1) // get all packets out of the page
2602                         {
2603                                 ogg_stream_packetout(&audio_in_stream, &op);
2604                                 ogg_stream_packetin (&output_file->tf->vo, &op);
2605                                 audio_packetno++;
2606                                 output_file->tf->a_pkg++;
2607                         }
2608                 }
2609
2610                 output_file->flush_ogg(0);
2611
2612
2613         }
2614
2615 // flush_ogg(1) is called on file closing time...
2616 //      output_file->flush_ogg(1);
2617
2618 // Just prevent thet write_samples and write_frames are called
2619         output_file->final_write = 0;
2620
2621         if (default_asset->audio_data)
2622         {
2623                 ogg_stream_clear(&audio_in_stream);
2624                 audio_file_gen->close_file();
2625                 delete audio_file_gen;
2626                 delete audio_asset;
2627         }
2628         if (default_asset->video_data)
2629         {
2630                 ogg_stream_clear(&video_in_stream);
2631                 video_file_gen->close_file();
2632                 delete video_file_gen;
2633                 delete video_asset;
2634         }
2635
2636         output_file_gen->close_file();
2637         delete output_file_gen;
2638
2639 // Now delete the temp files
2640         for(int i = 0; i < total_packages; i++)
2641                 unlink(packages[i]->path);
2642
2643         return 0;
2644 }
2645
2646
2647