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,
1505                                                 -1,
1506                                                 0,
1507                                                 yuv.u - yuv.y,
1508                                                 yuv.v - yuv.y,
1509                                                 - yuv.y_stride,
1510                                                 yuv.y_height,
1511                                                 BC_YUV420P,
1512                                                 - yuv.y_stride);
1513                 // copy into temp frame...
1514
1515                 BC_CModels::transfer(frame->get_rows(),
1516                         temp_frame->get_rows(),
1517                         frame->get_y(),
1518                         frame->get_u(),
1519                         frame->get_v(),
1520                         temp_frame->get_y(),
1521                         temp_frame->get_u(),
1522                         temp_frame->get_v(),
1523                         0,
1524                         0,
1525                         yuv.y_width,
1526                         yuv.y_height,
1527                         0,
1528                         0,
1529                         yuv.y_width,  // temp_frame can be larger than frame if width not dividable by 16
1530                         yuv.y_height,
1531                         BC_YUV420P,
1532                         frame->get_color_model(),
1533                         0,
1534                         -temp_frame->get_w(),
1535                         frame->get_w());
1536                 delete temp_frame;
1537         }
1538
1539         next_frame_position ++;
1540
1541         return 0;
1542 }
1543
1544
1545
1546 int FileOGG::ogg_decode_more_samples(sync_window_t *sw, long serialno)
1547 {
1548         ogg_page og;
1549         ogg_packet op;
1550         int done = 0;
1551         while (!done)
1552         {
1553                 while (ogg_stream_packetpeek(&tf->vo, NULL) != 1)
1554                 {
1555                         if (!ogg_get_next_page(sw, serialno, &og))
1556                         {
1557                                 eprintf(_("FileOGG: Cannot find next page while trying to decode more samples\n"));
1558                                 return 0;
1559                         }
1560                         ogg_stream_pagein(&tf->vo, &og);
1561                 }
1562                 ogg_stream_packetout(&tf->vo, &op);
1563                 if(!vorbis_synthesis(&tf->vb, &op))
1564                 {
1565                         done = 1;
1566                         vorbis_synthesis_blockin(&tf->vd, &tf->vb);
1567                 }
1568         }
1569         return 1;
1570 }
1571
1572 int FileOGG::set_audio_position(int64_t x)
1573 {
1574         next_sample_position = x + start_sample;
1575         return 0;
1576 }
1577
1578 int FileOGG::move_history(int from, int to, int len)
1579 {
1580         if( len > 0 ) {
1581                 for(int i = 0; i < asset->channels; i++)
1582                         memmove(pcm_history[i] + to, pcm_history[i] + from, sizeof(float) * len);
1583         }
1584         history_start = history_start + from - to;
1585         if( history_start < 0 ) history_start = 0;
1586         return 0;
1587 }
1588
1589 int FileOGG::read_samples(double *buffer, int64_t len)
1590 {
1591         float **vorbis_buffer;
1592         if (len <= 0)
1593                 return 0;
1594 //      printf("Reading samples: Channel: %i, number of samples: %lli, reading at :%lli\n", file->current_channel, len, next_sample_position);
1595 //              printf("\tnext_sample_position: %lli, length: %i\n", next_sample_position, len);
1596 //              printf("\thistory_start: %lli, length: %i\n", history_start, history_size);
1597
1598         if(len > HISTORY_MAX)
1599         {
1600                 eprintf(_("max samples=%d\n"), HISTORY_MAX);
1601                 return 1;
1602         }
1603
1604         if(!pcm_history)
1605         {
1606                 pcm_history = new float*[asset->channels];
1607                 for(int i = 0; i < asset->channels; i++)
1608                         pcm_history[i] = new float[HISTORY_MAX];
1609                 history_start = -100000000; // insane value to trigger reload
1610                 history_size = 0;
1611         }
1612
1613         int64_t hole_start = -1;
1614         int64_t hole_len = -1;
1615         int64_t hole_absstart = -1;
1616         int64_t hole_fill = 0;
1617
1618         if (history_start < next_sample_position && history_start + history_size > next_sample_position && history_start + history_size < next_sample_position + len)
1619         {
1620 //              printf("a\n");
1621                 hole_fill = 1;
1622                 hole_start = history_start + history_size - next_sample_position;
1623                 hole_len = history_size - hole_start;
1624                 hole_absstart = next_sample_position + hole_start;
1625                 move_history(next_sample_position - history_start,
1626                                 0,
1627                                 hole_start); //
1628
1629         } else
1630         if (next_sample_position < history_start && history_start < next_sample_position + len)
1631         {
1632 //              printf("b\n");
1633                 hole_fill = 1;
1634                 hole_start = 0;
1635                 hole_len = history_start - next_sample_position;
1636                 hole_absstart = next_sample_position;
1637 //              printf("hs: %lli, histstart: %lli, next_sample_position: %lli\n", history_size, history_start, next_sample_position);
1638 //              printf("to: 0, from: %lli, size: %lli\n",
1639  //                             history_start - next_sample_position,
1640 //                              history_size - history_start + next_sample_position);
1641                 move_history(0,
1642                                 history_start - next_sample_position,
1643                                 history_size - history_start + next_sample_position);
1644
1645         } else
1646         if (next_sample_position >= history_start + history_size || next_sample_position + len <= history_start)
1647         {
1648 //              printf("c\n");
1649                 hole_fill = 1;
1650                 hole_start = 0;
1651                 hole_len = HISTORY_MAX;
1652                 hole_absstart = next_sample_position;
1653                 history_start = hole_absstart;
1654                 history_size = hole_len;
1655         }
1656
1657         if (hole_fill)
1658         {
1659                 if (hole_start < 0 || hole_len <= 0 || hole_absstart < 0)
1660                 {
1661                         eprintf(_("FileOGG: Error at finding out what to read from file\n"));
1662                         return 1;
1663                 }
1664
1665                 if (hole_absstart + hole_len > asset->audio_length + start_sample)
1666                 {
1667                         hole_len = asset->audio_length + start_sample - hole_absstart;
1668                         history_size = asset->audio_length + start_sample - history_start;
1669                 } else
1670                 {
1671                         history_size = HISTORY_MAX;
1672                 }
1673
1674
1675 //              printf("Decode samples at position: %lli, samples to read: %lli\n", hole_absstart, hole_len);
1676
1677                 int64_t samples_read = 0;
1678                 if (ogg_sample_position != hole_absstart)
1679                 {
1680                         ogg_sample_position = hole_absstart;
1681                         if (!ogg_seek_to_sample(tf->audiosync, tf->vo.serialno, ogg_sample_position))
1682                         {
1683                                 eprintf(_("Error while seeking to sample\n"));
1684                                 return 1;
1685                         }
1686                 }
1687                 // now we have ogg_sample_positon aligned
1688                 int64_t samples_to_read = hole_len;
1689                 while (samples_read < hole_len)
1690                 {
1691                         int64_t waiting_samples = vorbis_synthesis_pcmout(&tf->vd, &vorbis_buffer);
1692                         int64_t takeout_samples;
1693                         if (waiting_samples > samples_to_read - samples_read)
1694                                 takeout_samples = samples_to_read - samples_read;
1695                         else
1696                                 takeout_samples = waiting_samples;
1697
1698 //                      printf("takeout samples: %lli, samples_read: %lli\n", takeout_samples, samples_read);
1699
1700                         if(waiting_samples)
1701                         {
1702                                 for(int i = 0; i < asset->channels; i++)
1703                                 {
1704                                         float *input = vorbis_buffer[i];
1705                                         float *output = pcm_history[i] + hole_start;
1706                                         // TODO: use memcpy
1707                                         for(int j = 0; j < takeout_samples ; j++)
1708                                         {
1709                                                 output[j] = input[j];
1710                                         }
1711                                 }
1712                         }
1713
1714                         vorbis_synthesis_read(&tf->vd, takeout_samples);
1715                         samples_read += takeout_samples;
1716                         ogg_sample_position += takeout_samples;
1717                         hole_start += takeout_samples;
1718
1719                         if (samples_read < hole_len)
1720                                 if (!ogg_decode_more_samples(tf->audiosync, tf->vo.serialno))
1721                                 {
1722                                         ogg_sample_position = -1;
1723                                         return 1;
1724                                 }
1725
1726
1727                 }
1728         }
1729
1730         // now we can be sure our history is correct, just copy it out
1731         if (next_sample_position < history_start || next_sample_position + len > history_start + history_size)
1732         {
1733                 printf(_("FileOGG:: History not aligned properly \n"));
1734                 printf(_("\tnext_sample_position: %jd, length: %jd\n"), next_sample_position, len);
1735                 printf(_("\thistory_start: %jd, length: %jd\n"), history_start, history_size);
1736                 return 1;
1737         }
1738         float *input = pcm_history[file->current_channel] + next_sample_position - history_start;
1739         for (int i = 0; i < len; i++)
1740                 buffer[i] = input[i];
1741
1742         next_sample_position += len;
1743         return 0;
1744 }
1745
1746
1747 int FileOGG::write_audio_page()
1748 {
1749         int ret;
1750
1751         ret = fwrite(tf->apage, 1, tf->apage_len, stream);
1752         if(ret < tf->apage_len)
1753         {
1754                 eprintf(_("error writing audio page\n"));
1755         }
1756         tf->apage_valid = 0;
1757         tf->a_pkg -= ogg_page_packets((ogg_page *)&tf->apage);
1758         return ret;
1759 }
1760
1761 int FileOGG::write_video_page()
1762 {
1763         int ret;
1764
1765         ret = fwrite(tf->vpage, 1, tf->vpage_len, stream);
1766         if(ret < tf->vpage_len)
1767         {
1768                 eprintf(_("error writing video page\n"));
1769         }
1770         tf->vpage_valid = 0;
1771         tf->v_pkg -= ogg_page_packets((ogg_page *)&tf->vpage);
1772         return ret;
1773 }
1774
1775 void FileOGG::flush_ogg (int e_o_s)
1776 {
1777     int len;
1778     ogg_page og;
1779
1780         flush_lock->lock();
1781     /* flush out the ogg pages  */
1782     while(1) {
1783       /* Get pages for both streams, if not already present, and if available.*/
1784       if(asset->video_data && !tf->vpage_valid) {
1785         // this way seeking is much better,
1786         // not sure if 23 packets  is a good value. it works though
1787         int v_next=0;
1788         if(tf->v_pkg>22 && ogg_stream_flush(&tf->to, &og) > 0) {
1789           v_next=1;
1790         }
1791         else if(ogg_stream_pageout(&tf->to, &og) > 0) {
1792           v_next=1;
1793         }
1794         if(v_next) {
1795           len = og.header_len + og.body_len;
1796           if(tf->vpage_buffer_length < len) {
1797             tf->vpage = (unsigned char *)realloc(tf->vpage, len);
1798             tf->vpage_buffer_length = len;
1799           }
1800           tf->vpage_len = len;
1801           memcpy(tf->vpage, og.header, og.header_len);
1802           memcpy(tf->vpage+og.header_len , og.body, og.body_len);
1803
1804           tf->vpage_valid = 1;
1805           tf->videotime = theora_granule_time (&tf->td,
1806                   ogg_page_granulepos(&og));
1807         }
1808       }
1809       if(asset->audio_data && !tf->apage_valid) {
1810         // this way seeking is much better,
1811         // not sure if 23 packets  is a good value. it works though
1812         int a_next=0;
1813         if(tf->a_pkg>22 && ogg_stream_flush(&tf->vo, &og) > 0) {
1814           a_next=1;
1815         }
1816         else if(ogg_stream_pageout(&tf->vo, &og) > 0) {
1817           a_next=1;
1818         }
1819         if(a_next) {
1820           len = og.header_len + og.body_len;
1821           if(tf->apage_buffer_length < len) {
1822             tf->apage = (unsigned char *)realloc(tf->apage, len);
1823             tf->apage_buffer_length = len;
1824           }
1825           tf->apage_len = len;
1826           memcpy(tf->apage, og.header, og.header_len);
1827           memcpy(tf->apage+og.header_len , og.body, og.body_len);
1828
1829           tf->apage_valid = 1;
1830           tf->audiotime= vorbis_granule_time (&tf->vd,
1831                   ogg_page_granulepos(&og));
1832         }
1833       }
1834
1835       if(!asset->audio_data && tf->vpage_valid) {
1836         write_video_page();
1837       }
1838       else if(!asset->video_data && tf->apage_valid) {
1839         write_audio_page();
1840       }
1841       /* We're using both. We can output only:
1842        *  a) If we have valid pages for both
1843        *  b) At EOS, for the remaining stream.
1844        */
1845       else if(tf->vpage_valid && tf->apage_valid) {
1846         /* Make sure they're in the right order. */
1847         if(tf->videotime <= tf->audiotime)
1848           write_video_page();
1849         else
1850           write_audio_page();
1851       }
1852       else if(e_o_s && tf->vpage_valid) {
1853           write_video_page();
1854       }
1855       else if(e_o_s && tf->apage_valid) {
1856           write_audio_page();
1857       }
1858       else {
1859         break; /* Nothing more writable at the moment */
1860       }
1861     }
1862         flush_lock->unlock();
1863 }
1864
1865
1866 int FileOGG::write_samples_vorbis(double **buffer, int64_t len, int e_o_s)
1867 {
1868         float **vorbis_buffer;
1869         static int samples = 0;
1870         samples += len;
1871         if(e_o_s)
1872         {
1873                 vorbis_analysis_wrote (&tf->vd, 0);
1874         } else
1875         {
1876                 vorbis_buffer = vorbis_analysis_buffer (&tf->vd, len);
1877                 /* double to float conversion */
1878                 for(int i = 0; i<asset->channels; i++)
1879                 {
1880                         for (int j = 0; j < len; j++)
1881                         {
1882                                 vorbis_buffer[i][j] = buffer[i][j];
1883                         }
1884                 }
1885                 vorbis_analysis_wrote (&tf->vd, len);
1886         }
1887         while(vorbis_analysis_blockout (&tf->vd, &tf->vb) == 1)
1888         {
1889             /* analysis, assume we want to use bitrate management */
1890             vorbis_analysis (&tf->vb, NULL);
1891             vorbis_bitrate_addblock (&tf->vb);
1892
1893             /* weld packets into the bitstream */
1894             while (vorbis_bitrate_flushpacket (&tf->vd, &tf->op))
1895             {
1896                 flush_lock->lock();
1897                 ogg_stream_packetin (&tf->vo, &tf->op);
1898                 tf->a_pkg++;
1899                 flush_lock->unlock();
1900             }
1901
1902         }
1903         flush_ogg(0);
1904         return 0;
1905
1906
1907 }
1908
1909 int FileOGG::write_samples(double **buffer, int64_t len)
1910 {
1911         if (len > 0)
1912                 return write_samples_vorbis(buffer, len, 0);
1913         return 0;
1914 }
1915
1916 int FileOGG::write_frames_theora(VFrame ***frames, int len, int e_o_s)
1917 {
1918         // due to clumsy theora's design we need to delay writing out by one frame
1919         // always stay one frame behind, so we can correctly encode e_o_s
1920         int result = 0;
1921         if(!stream) return 0;
1922
1923         for(int j = 0; j < len && !result; j++)
1924         {
1925                 if (temp_frame) // encode previous frame if available
1926                 {
1927                         yuv_buffer yuv;
1928                         yuv.y_width = tf->ti.width;
1929                         yuv.y_height = tf->ti.height;
1930                         yuv.y_stride = temp_frame->get_bytes_per_line();
1931
1932                         yuv.uv_width = tf->ti.width / 2;
1933                         yuv.uv_height = tf->ti.height / 2;
1934                         yuv.uv_stride = temp_frame->get_bytes_per_line() /2;
1935
1936                         yuv.y = temp_frame->get_y();
1937                         yuv.u = temp_frame->get_u();
1938                         yuv.v = temp_frame->get_v();
1939                         int ret = theora_encode_YUVin (&tf->td, &yuv);
1940                         if (ret)
1941                         {
1942                                 printf(_("FileOGG: theora_encode_YUVin failed with code %i\n"), ret);
1943                                 printf("yuv_buffer: y_width: %i, y_height: %i, y_stride: %i,"
1944                                         " uv_width: %i, uv_height: %i, uv_stride: %i\n",
1945                                         yuv.y_width, yuv.y_height, yuv.y_stride,
1946                                         yuv.uv_width, yuv.uv_height, yuv.uv_stride);
1947                         }
1948                         while(theora_encode_packetout (&tf->td, e_o_s, &tf->op)) {
1949                                 flush_lock->lock();
1950                                 ogg_stream_packetin (&tf->to, &tf->op);
1951                                 tf->v_pkg++;
1952                                 flush_lock->unlock();
1953             }
1954                         flush_ogg(0);  // eos flush is done later at close_file
1955                 }
1956 // If we have e_o_s, don't encode any new frames
1957                 if (e_o_s)
1958                         break;
1959
1960                 if (!temp_frame)
1961                 {
1962                         temp_frame = new VFrame (0,
1963                                                 -1,
1964                                                 tf->ti.width,
1965                                                 tf->ti.height,
1966                                                 BC_YUV420P,
1967                                                 -1);
1968                 }
1969                 VFrame *frame = frames[0][j];
1970                 int in_color_model = frame->get_color_model();
1971                 if (in_color_model == BC_YUV422P &&
1972                     temp_frame->get_w() == frame->get_w() &&
1973                     temp_frame->get_h() == frame->get_h() &&
1974                     temp_frame->get_bytes_per_line() == frame->get_bytes_per_line())
1975                 {
1976                         temp_frame->copy_from(frame);
1977                 } else
1978                 {
1979
1980                         BC_CModels::transfer(temp_frame->get_rows(),
1981                                 frame->get_rows(),
1982                                 temp_frame->get_y(),
1983                                 temp_frame->get_u(),
1984                                 temp_frame->get_v(),
1985                                 frame->get_y(),
1986                                 frame->get_u(),
1987                                 frame->get_v(),
1988                                 0,
1989                                 0,
1990                                 frame->get_w(),
1991                                 frame->get_h(),
1992                                 0,
1993                                 0,
1994                                 frame->get_w(),  // temp_frame can be larger than frame if width not dividable by 16
1995                                 frame->get_h(),
1996                                 frame->get_color_model(),
1997                                 BC_YUV420P,
1998                                 0,
1999                                 frame->get_w(),
2000                                 temp_frame->get_w());
2001
2002                 }
2003         }
2004
2005         return 0;
2006 }
2007
2008
2009 int FileOGG::write_frames(VFrame ***frames, int len)
2010 {
2011
2012         return write_frames_theora(frames, len, 0);
2013 }
2014
2015 OGGConfigAudio::OGGConfigAudio(BC_WindowBase *parent_window, Asset *asset)
2016  : BC_Window(_(PROGRAM_NAME ": Audio Compression"),
2017         parent_window->get_abs_cursor_x(1),
2018         parent_window->get_abs_cursor_y(1),
2019         350,
2020         250)
2021 {
2022         this->parent_window = parent_window;
2023         this->asset = asset;
2024 }
2025
2026 OGGConfigAudio::~OGGConfigAudio()
2027 {
2028
2029 }
2030
2031 void OGGConfigAudio::create_objects()
2032 {
2033 //      add_tool(new BC_Title(10, 10, _("There are no audio options for this format")));
2034
2035         int x = 10, y = 10;
2036         int x1 = 150;
2037         char string[BCTEXTLEN];
2038
2039         lock_window("OGGConfigAudio::create_objects");
2040         add_tool(fixed_bitrate = new OGGVorbisFixedBitrate(x, y, this));
2041         add_tool(variable_bitrate = new OGGVorbisVariableBitrate(x1, y, this));
2042
2043         y += 30;
2044         sprintf(string, "%d", asset->vorbis_min_bitrate);
2045         add_tool(new BC_Title(x, y, _("Min bitrate:")));
2046         add_tool(new OGGVorbisMinBitrate(x1, y, this, string));
2047
2048         y += 30;
2049         add_tool(new BC_Title(x, y, _("Avg bitrate:")));
2050         sprintf(string, "%d", asset->vorbis_bitrate);
2051         add_tool(new OGGVorbisAvgBitrate(x1, y, this, string));
2052
2053         y += 30;
2054         add_tool(new BC_Title(x, y, _("Max bitrate:")));
2055         sprintf(string, "%d", asset->vorbis_max_bitrate);
2056         add_tool(new OGGVorbisMaxBitrate(x1, y, this, string));
2057
2058
2059         add_subwindow(new BC_OKButton(this));
2060         show_window(1);
2061         unlock_window();
2062 }
2063
2064 int OGGConfigAudio::close_event()
2065 {
2066         set_done(0);
2067         return 1;
2068 }
2069
2070 OGGVorbisFixedBitrate::OGGVorbisFixedBitrate(int x, int y, OGGConfigAudio *gui)
2071  : BC_Radial(x, y, !gui->asset->vorbis_vbr, _("Average bitrate"))
2072 {
2073         this->gui = gui;
2074 }
2075 int OGGVorbisFixedBitrate::handle_event()
2076 {
2077         gui->asset->vorbis_vbr = 0;
2078         gui->variable_bitrate->update(0);
2079         return 1;
2080 }
2081
2082 OGGVorbisVariableBitrate::OGGVorbisVariableBitrate(int x, int y, OGGConfigAudio *gui)
2083  : BC_Radial(x, y, gui->asset->vorbis_vbr, _("Variable bitrate"))
2084 {
2085         this->gui = gui;
2086 }
2087 int OGGVorbisVariableBitrate::handle_event()
2088 {
2089         gui->asset->vorbis_vbr = 1;
2090         gui->fixed_bitrate->update(0);
2091         return 1;
2092 }
2093
2094
2095 OGGVorbisMinBitrate::OGGVorbisMinBitrate(int x,
2096         int y,
2097         OGGConfigAudio *gui,
2098         char *text)
2099  : BC_TextBox(x, y, 180, 1, text)
2100 {
2101         this->gui = gui;
2102 }
2103 int OGGVorbisMinBitrate::handle_event()
2104 {
2105         gui->asset->vorbis_min_bitrate = atol(get_text());
2106         return 1;
2107 }
2108
2109
2110
2111 OGGVorbisMaxBitrate::OGGVorbisMaxBitrate(int x,
2112         int y,
2113         OGGConfigAudio *gui,
2114         char *text)
2115  : BC_TextBox(x, y, 180, 1, text)
2116 {
2117         this->gui = gui;
2118 }
2119 int OGGVorbisMaxBitrate::handle_event()
2120 {
2121         gui->asset->vorbis_max_bitrate = atol(get_text());
2122         return 1;
2123 }
2124
2125
2126
2127 OGGVorbisAvgBitrate::OGGVorbisAvgBitrate(int x, int y, OGGConfigAudio *gui, char *text)
2128  : BC_TextBox(x, y, 180, 1, text)
2129 {
2130         this->gui = gui;
2131 }
2132 int OGGVorbisAvgBitrate::handle_event()
2133 {
2134         gui->asset->vorbis_bitrate = atol(get_text());
2135         return 1;
2136 }
2137
2138
2139
2140
2141
2142 OGGConfigVideo::OGGConfigVideo(BC_WindowBase *parent_window, Asset *asset)
2143  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
2144         parent_window->get_abs_cursor_x(1),
2145         parent_window->get_abs_cursor_y(1),
2146         450,
2147         220)
2148 {
2149         this->parent_window = parent_window;
2150         this->asset = asset;
2151 }
2152
2153 OGGConfigVideo::~OGGConfigVideo()
2154 {
2155
2156 }
2157
2158 void OGGConfigVideo::create_objects()
2159 {
2160 //      add_tool(new BC_Title(10, 10, _("There are no video options for this format")));
2161         int x = 10, y = 10;
2162         int x1 = x + 150;
2163         int x2 = x + 300;
2164
2165         lock_window("OGGConfigVideo::create_objects");
2166         add_subwindow(new BC_Title(x, y + 5, _("Bitrate:")));
2167         add_subwindow(new OGGTheoraBitrate(x1, y, this));
2168         add_subwindow(fixed_bitrate = new OGGTheoraFixedBitrate(x2, y, this));
2169         y += 30;
2170
2171         add_subwindow(new BC_Title(x, y, _("Quality:")));
2172         add_subwindow(new BC_ISlider(x + 80,
2173                 y,
2174                 0,
2175                 200,
2176                 200,
2177                 0,
2178                 63,
2179                 asset->theora_quality,
2180                 0,
2181                 0,
2182                 &asset->theora_quality));
2183
2184
2185         add_subwindow(fixed_quality = new OGGTheoraFixedQuality(x2, y, this));
2186         y += 30;
2187
2188         add_subwindow(new BC_Title(x, y, _("Keyframe frequency:")));
2189         OGGTheoraKeyframeFrequency *keyframe_frequency =
2190                 new OGGTheoraKeyframeFrequency(x1 + 60, y, this);
2191         keyframe_frequency->create_objects();
2192         y += 30;
2193
2194         add_subwindow(new BC_Title(x, y, _("Keyframe force frequency:")));
2195         OGGTheoraKeyframeForceFrequency *keyframe_force_frequency =
2196                 new OGGTheoraKeyframeForceFrequency(x1 + 60, y, this);
2197         keyframe_force_frequency->create_objects();
2198         y += 30;
2199
2200         add_subwindow(new BC_Title(x, y, _("Sharpness:")));
2201         OGGTheoraSharpness *sharpness =
2202                 new OGGTheoraSharpness(x1 + 60, y, this);
2203         sharpness->create_objects();
2204         y += 30;
2205
2206
2207         add_subwindow(new BC_OKButton(this));
2208         show_window(1);
2209         unlock_window();
2210 }
2211
2212
2213
2214
2215 int OGGConfigVideo::close_event()
2216 {
2217         set_done(0);
2218         return 1;
2219 }
2220
2221 OGGTheoraBitrate::OGGTheoraBitrate(int x, int y, OGGConfigVideo *gui)
2222  : BC_TextBox(x, y, 100, 1, gui->asset->theora_bitrate)
2223 {
2224         this->gui = gui;
2225 }
2226
2227
2228 int OGGTheoraBitrate::handle_event()
2229 {
2230         // TODO: MIN / MAX check
2231         gui->asset->theora_bitrate = atol(get_text());
2232         return 1;
2233 };
2234
2235
2236
2237
2238 OGGTheoraFixedBitrate::OGGTheoraFixedBitrate(int x, int y, OGGConfigVideo *gui)
2239  : BC_Radial(x, y, gui->asset->theora_fix_bitrate, _("Fixed bitrate"))
2240 {
2241         this->gui = gui;
2242 }
2243
2244 int OGGTheoraFixedBitrate::handle_event()
2245 {
2246         update(1);
2247         gui->asset->theora_fix_bitrate = 1;
2248         gui->fixed_quality->update(0);
2249         return 1;
2250 };
2251
2252 OGGTheoraFixedQuality::OGGTheoraFixedQuality(int x, int y, OGGConfigVideo *gui)
2253  : BC_Radial(x, y, !gui->asset->theora_fix_bitrate, _("Fixed quality"))
2254 {
2255         this->gui = gui;
2256 }
2257
2258 int OGGTheoraFixedQuality::handle_event()
2259 {
2260         update(1);
2261         gui->asset->theora_fix_bitrate = 0;
2262         gui->fixed_bitrate->update(0);
2263         return 1;
2264 };
2265
2266 OGGTheoraKeyframeFrequency::OGGTheoraKeyframeFrequency(int x, int y, OGGConfigVideo *gui)
2267  : BC_TumbleTextBox(gui,
2268         (int64_t)gui->asset->theora_keyframe_frequency,
2269         (int64_t)1,
2270         (int64_t)500,
2271         x,
2272         y,
2273         40)
2274 {
2275         this->gui = gui;
2276 }
2277
2278 int OGGTheoraKeyframeFrequency::handle_event()
2279 {
2280         gui->asset->theora_keyframe_frequency = atol(get_text());
2281         return 1;
2282 }
2283
2284 OGGTheoraKeyframeForceFrequency::OGGTheoraKeyframeForceFrequency(int x, int y, OGGConfigVideo *gui)
2285  : BC_TumbleTextBox(gui,
2286         (int64_t)gui->asset->theora_keyframe_frequency,
2287         (int64_t)1,
2288         (int64_t)500,
2289         x,
2290         y,
2291         40)
2292 {
2293         this->gui = gui;
2294 }
2295
2296 int OGGTheoraKeyframeForceFrequency::handle_event()
2297 {
2298         gui->asset->theora_keyframe_frequency = atol(get_text());
2299         return 1;
2300 }
2301
2302
2303 OGGTheoraSharpness::OGGTheoraSharpness(int x, int y, OGGConfigVideo *gui)
2304  : BC_TumbleTextBox(gui,
2305         (int64_t)gui->asset->theora_sharpness,
2306         (int64_t)0,
2307         (int64_t)2,
2308         x,
2309         y,
2310         40)
2311 {
2312         this->gui = gui;
2313 }
2314
2315 int OGGTheoraSharpness::handle_event()
2316 {
2317         gui->asset->theora_sharpness = atol(get_text());
2318         return 1;
2319 }
2320
2321
2322 PackagingEngineOGG::PackagingEngineOGG()
2323 {
2324         packages = 0;
2325         default_asset = 0;
2326 }
2327
2328 PackagingEngineOGG::~PackagingEngineOGG()
2329 {
2330         if(packages)
2331         {
2332                 for(int i = 0; i < total_packages; i++)
2333                         delete packages[i];
2334                 delete [] packages;
2335         }
2336         if (default_asset)
2337                 delete default_asset;
2338 }
2339
2340
2341
2342 int PackagingEngineOGG::create_packages_single_farm(
2343                 EDL *edl,
2344                 Preferences *preferences,
2345                 Asset *default_asset,
2346                 double total_start,
2347                 double total_end)
2348 {
2349         this->total_start = total_start;
2350         this->total_end = total_end;
2351         this->edl = edl;
2352
2353         this->preferences = preferences;
2354
2355 // We make A COPY of the asset, because we set audio_data = 0 on local asset which is the same copy as default_asset...
2356 // Should be taken care of somewhere else actually
2357         this->default_asset = new Asset(*default_asset);
2358
2359         audio_start = Units::to_int64(total_start * default_asset->sample_rate);
2360         video_start = Units::to_int64(total_start * default_asset->frame_rate);
2361         audio_position = audio_start;
2362         video_position = video_start;
2363         audio_end = Units::to_int64(total_end * default_asset->sample_rate);
2364         video_end = Units::to_int64(total_end * default_asset->frame_rate);
2365         current_package = 0;
2366
2367         double total_len = total_end - total_start;
2368 //printf("PackageDispatcher::create_packages: %f / %d = %f\n", total_len, total_packages, package_len);
2369
2370         total_packages = 0;
2371         if (default_asset->audio_data)
2372                 total_packages++;
2373         if (default_asset->video_data)
2374                 total_packages += preferences->renderfarm_job_count;
2375
2376         packages = new RenderPackage*[total_packages];
2377
2378         int local_current_package = 0;
2379         if (default_asset->audio_data)
2380         {
2381                 packages[local_current_package] = new RenderPackage;
2382                 sprintf(packages[current_package]->path, "%s.audio", default_asset->path);
2383                 local_current_package++;
2384         }
2385
2386         if (default_asset->video_data)
2387         {
2388                 video_package_len = (total_len) / preferences->renderfarm_job_count;
2389                 int current_number;    // The number being injected into the filename.
2390                 int number_start;      // Character in the filename path at which the number begins
2391                 int total_digits;      // Total number of digits including padding the user specified.
2392
2393                 Render::get_starting_number(default_asset->path,
2394                         current_number,
2395                         number_start,
2396                         total_digits,
2397                         3);
2398
2399                 for(int i = 0; i < preferences->renderfarm_job_count; i++)
2400                 {
2401                         RenderPackage *package = packages[local_current_package] = new RenderPackage;
2402                         Render::create_filename(package->path,
2403                                 default_asset->path,
2404                                 current_number,
2405                                 total_digits,
2406                                 number_start);
2407                         current_number++;
2408                         local_current_package++;
2409                 }
2410         }
2411         return 0;
2412 }
2413
2414 RenderPackage* PackagingEngineOGG::get_package_single_farm(double frames_per_second,
2415                 int client_number,
2416                 int use_local_rate)
2417 {
2418
2419 //printf("PackageDispatcher::get_package %ld %ld %ld %ld\n", audio_position, video_position, audio_end, video_end);
2420         if (current_package == total_packages)
2421                 return 0;
2422
2423         RenderPackage *result = 0;
2424         if (current_package == 0 && default_asset->audio_data)
2425         {
2426                 result = packages[0];
2427                 result->audio_start = audio_start;
2428                 result->video_start = video_start;
2429                 result->audio_end = audio_end;
2430                 result->video_end = video_end;
2431                 result->audio_do = 1;
2432                 result->video_do = 0;
2433         } else if (default_asset->video_data)
2434         {
2435                 // Do not do any scaling according to node speed, so we know we can get evenly distributed 'forced' keyframes
2436                 result = packages[current_package];
2437                 result->audio_do = 0;
2438                 result->video_do = 1;
2439
2440                 result->audio_start = audio_position;
2441                 result->video_start = video_position;
2442                 result->audio_end = audio_position +
2443                         Units::round(video_package_len * default_asset->sample_rate);
2444                 result->video_end = video_position +
2445                         Units::round(video_package_len * default_asset->frame_rate);
2446
2447 // Last package... take it all!
2448                 if (current_package == total_packages -1 )
2449                 {
2450                         result->audio_end = audio_end;
2451                         result->video_end = video_end;
2452                 }
2453
2454                 audio_position = result->audio_end;
2455                 video_position = result->video_end;
2456
2457         }
2458
2459         current_package ++;
2460         return result;
2461
2462 }
2463
2464 void PackagingEngineOGG::get_package_paths(ArrayList<char*> *path_list)
2465 {
2466         for(int i = 0; i < total_packages; i++)
2467         {
2468                 path_list->append(strdup(packages[i]->path));
2469         }
2470 // We will mux to the the final file at the end!
2471         path_list->append(strdup(default_asset->path));
2472         path_list->set_free();
2473 }
2474
2475 int64_t PackagingEngineOGG::get_progress_max()
2476 {
2477         return Units::to_int64(default_asset->sample_rate *
2478                         (total_end - total_start)) * 2+
2479                 Units::to_int64(preferences->render_preroll *
2480                         total_packages *
2481                         default_asset->sample_rate);
2482 }
2483
2484 int PackagingEngineOGG::packages_are_done()
2485 {
2486
2487
2488 // Mux audio and video into one file
2489
2490 // First fix our asset... have to workaround the bug of corruption of local asset
2491 //      Render::check_asset(edl, *default_asset);
2492
2493         Asset *video_asset = 0, *audio_asset = 0;
2494         File *audio_file_gen = 0, *video_file_gen = 0;
2495         FileOGG *video_file = 0, *audio_file = 0;
2496         ogg_stream_state audio_in_stream, video_in_stream;
2497
2498         int local_current_package = 0;
2499         if (default_asset->audio_data)
2500         {
2501                 audio_asset = new Asset(packages[local_current_package]->path);
2502                 local_current_package++;
2503
2504                 audio_file_gen = new File();
2505                 audio_file_gen->open_file(preferences, audio_asset, 1, 0);
2506                 audio_file = (FileOGG*) audio_file_gen->file;
2507                 ogg_stream_init(&audio_in_stream, audio_file->tf->vo.serialno);
2508                 audio_file->ogg_seek_to_databegin(audio_file->tf->audiosync, audio_file->tf->vo.serialno);
2509         }
2510
2511         if (default_asset->video_data)
2512         {
2513                 video_asset = new Asset(packages[local_current_package]->path);
2514                 local_current_package++;
2515
2516                 video_file_gen = new File();
2517                 video_file_gen->open_file(preferences, video_asset, 1, 0);
2518                 video_file = (FileOGG*) video_file_gen->file;
2519                 ogg_stream_init(&video_in_stream, video_file->tf->to.serialno);
2520                 video_file->ogg_seek_to_databegin(video_file->tf->videosync, video_file->tf->to.serialno);
2521         }
2522
2523 // Output file
2524         File *output_file_gen = new File();
2525         output_file_gen->open_file(preferences, default_asset, 0, 1);
2526         FileOGG *output_file = (FileOGG*) output_file_gen->file;
2527
2528         //ogg_page og;    /* one Ogg bitstream page.  Vorbis packets are inside */
2529         ogg_packet op;  /* one raw packet of data for decode */
2530
2531
2532         int audio_ready = default_asset->audio_data;
2533         int video_ready = default_asset->video_data;
2534         int64_t video_packetno = 1;
2535         int64_t audio_packetno = 1;
2536         int64_t frame_offset = 0;
2537         int64_t current_frame = 0;
2538         while ((default_asset->audio_data && audio_ready) || (default_asset->video_data && video_ready))
2539         {
2540                 if (video_ready)
2541                 {
2542                         while (ogg_stream_packetpeek(&video_in_stream, NULL) != 1) // get as many pages as needed for one package
2543                         {
2544                                 if (!video_file->ogg_get_next_page(video_file->tf->videosync, video_file->tf->to.serialno, &video_file->tf->videopage))
2545                                 {
2546                                         // We are at the end of our file, see if it is more and open more if there is
2547                                         if (local_current_package < total_packages)
2548                                         {
2549                                                 frame_offset = current_frame +1;
2550                                                 ogg_stream_clear(&video_in_stream);
2551                                                 video_file_gen->close_file();
2552                                                 delete video_file_gen;
2553                                                 delete video_asset;
2554                                                 video_asset = new Asset(packages[local_current_package]->path);
2555                                                 local_current_package++;
2556
2557                                                 video_file_gen = new File();
2558                                                 video_file_gen->open_file(preferences, video_asset, 1, 0);
2559                                                 video_file = (FileOGG*) video_file_gen->file;
2560                                                 ogg_stream_init(&video_in_stream, video_file->tf->to.serialno);
2561                                                 video_file->ogg_seek_to_databegin(video_file->tf->videosync, video_file->tf->to.serialno);
2562
2563                                         } else
2564                                                 video_ready = 0;
2565                                         break;
2566                                 }
2567                                 ogg_stream_pagein(&video_in_stream, &video_file->tf->videopage);
2568                         }
2569                         while (ogg_stream_packetpeek(&video_in_stream, NULL) == 1) // get all packets out of the page
2570                         {
2571                                 ogg_stream_packetout(&video_in_stream, &op);
2572                                 if (local_current_package != total_packages) // keep it from closing the stream
2573                                         op.e_o_s = 0;
2574                                 if (video_packetno != 1)                     // if this is not the first video package do not start with b_o_s
2575                                         op.b_o_s = 0;
2576                                 else
2577                                         op.b_o_s = 1;
2578                                 op.packetno = video_packetno;
2579                                 video_packetno ++;
2580                                 int64_t granulepos = op.granulepos;
2581                                 if (granulepos != -1)
2582                                 {
2583                                 // Fix granulepos!
2584                                         int64_t rel_iframe = granulepos >> video_file->theora_keyframe_granule_shift;
2585                                         int64_t rel_pframe = granulepos - (rel_iframe << video_file->theora_keyframe_granule_shift);
2586                                         int64_t rel_current_frame = rel_iframe + rel_pframe;
2587                                         current_frame = frame_offset + rel_current_frame;
2588                                         int64_t abs_iframe = current_frame - rel_pframe;
2589
2590                                         op.granulepos = (abs_iframe << video_file->theora_keyframe_granule_shift) + rel_pframe;
2591
2592 //                                      printf("iframe: %i, pframe: %i, granulepos: %i, op.packetno %lli, abs_iframe: %i\n", rel_iframe, rel_pframe, granulepos, op.packetno, abs_iframe);
2593
2594                                 }
2595                                 ogg_stream_packetin (&output_file->tf->to, &op);
2596                                 output_file->tf->v_pkg++;
2597                         }
2598                 }
2599                 if (audio_ready)
2600                 {
2601                         while (ogg_stream_packetpeek(&audio_in_stream, NULL) != 1) // get as many pages as needed for one package
2602                         {
2603                                 if (!audio_file->ogg_get_next_page(audio_file->tf->audiosync, audio_file->tf->vo.serialno, &audio_file->tf->audiopage))
2604                                 {
2605                                         audio_ready = 0;
2606                                         break;
2607                                 }
2608                                 ogg_stream_pagein(&audio_in_stream, &audio_file->tf->audiopage);
2609                         }
2610                         while (ogg_stream_packetpeek(&audio_in_stream, NULL) == 1) // get all packets out of the page
2611                         {
2612                                 ogg_stream_packetout(&audio_in_stream, &op);
2613                                 ogg_stream_packetin (&output_file->tf->vo, &op);
2614                                 audio_packetno++;
2615                                 output_file->tf->a_pkg++;
2616                         }
2617                 }
2618
2619                 output_file->flush_ogg(0);
2620
2621
2622         }
2623
2624 // flush_ogg(1) is called on file closing time...
2625 //      output_file->flush_ogg(1);
2626
2627 // Just prevent thet write_samples and write_frames are called
2628         output_file->final_write = 0;
2629
2630         if (default_asset->audio_data)
2631         {
2632                 ogg_stream_clear(&audio_in_stream);
2633                 audio_file_gen->close_file();
2634                 delete audio_file_gen;
2635                 delete audio_asset;
2636         }
2637         if (default_asset->video_data)
2638         {
2639                 ogg_stream_clear(&video_in_stream);
2640                 video_file_gen->close_file();
2641                 delete video_file_gen;
2642                 delete video_asset;
2643         }
2644
2645         output_file_gen->close_file();
2646         delete output_file_gen;
2647
2648 // Now delete the temp files
2649         for(int i = 0; i < total_packages; i++)
2650                 unlink(packages[i]->path);
2651
2652         return 0;
2653 }
2654
2655
2656