cinelerra/filevorbis.C

   1 #include "asset.h"
   2 #include "byteorder.h"
   3 #include "clip.h"
   4 #include "file.h"
   5 #include "filevorbis.h"
   6 #include "guicast.h"
   7 #include "language.h"
   8 #include "mwindow.inc"
   9 #include "mainerror.h"
  10
  11 #include <errno.h>
  12 #include <stdio.h>
  13 #include <string.h>
  14 #include <unistd.h>
  15
  16 FileVorbis::FileVorbis(Asset_GC asset, File *file)
  17  : FileBase(asset, file)
  18 {
  19         reset_parameters();
  20         if(asset->format == FILE_UNKNOWN) asset->format = FILE_VORBIS;
  21         asset->byte_order = 0;
  22 }
  23
  24 FileVorbis::~FileVorbis()
  25 {
  26         close_file();
  27 }
  28
  29 void FileVorbis::get_parameters(BC_WindowBase *parent_window,
  30         Asset_GC asset,
  31         BC_WindowBase* &format_window,
  32         int audio_options,
  33         int video_options)
  34 {
  35         if(audio_options)
  36         {
  37                 VorbisConfigAudio *window = new VorbisConfigAudio(parent_window, asset);
  38                 format_window = window;
  39                 window->create_objects();
  40                 window->run_window();
  41                 delete window;
  42         }
  43 }
  44
  45 int FileVorbis::check_sig(Asset_GC asset)
  46 {
  47 // FILEVORBIS DECODING IS DISABLED
  48         return 0;
  49         FILE *fd = fopen(asset->path, "rb");
  50         OggVorbis_File vf;
  51
  52 // Test for Quicktime since OGG misinterprets it
  53         fseek(fd, 4, SEEK_SET);
  54         char data[4];
  55         fread(data, 4, 1, fd);
  56         if(data[0] == 'm' &&
  57                 data[1] == 'd' &&
  58                 data[2] == 'a' &&
  59                 data[3] == 't')
  60         {
  61                 fclose(fd);
  62                 return 0;
  63         }
  64
  65         fseek(fd, 0, SEEK_SET);
  66
  67         if(ov_open(fd, &vf, NULL, 0) < 0)
  68         {
  69 // OGG failed.  Close file handle manually.
  70                 ov_clear(&vf);
  71                 if(fd) fclose(fd);
  72                 return 0;
  73         }
  74         else
  75         {
  76                 ov_clear(&vf);
  77                 return 1;
  78         }
  79 }
  80
  81 int FileVorbis::reset_parameters_derived()
  82 {
  83         fd = 0;
  84         bzero(&vf, sizeof(vf));
  85         pcm_history = 0;
  86         pcm_history_float = 0;
  87 }
  88
  89
  90 // Just create the Quicktime objects since this routine is also called
  91 // for reopening.
  92 int FileVorbis::open_file(int rd, int wr)
  93 {
  94         int result = 0;
  95         this->rd = rd;
  96         this->wr = wr;
  97
  98 //printf("FileVorbis::open_file 1\n");
  99         if(rd)
 100         {
 101 //printf("FileVorbis::open_file 1\n");
 102                 if(!(fd = fopen(asset->path, "rb")))
 103                 {
 104                         eprintf("Error while opening \"%s\" for reading. \n%m\n", asset->path);
 105                         result = 1;
 106                 }
 107                 else
 108                 {
 109 //printf("FileVorbis::open_file 2 %p %p\n", fd, vf);
 110                         if(ov_open(fd, &vf, NULL, 0) < 0)
 111                         {
 112                                 eprintf("Invalid bitstream in %s\n", asset->path);
 113                                 result = 1;
 114                         }
 115                         else
 116                         {
 117 //printf("FileVorbis::open_file 1\n");
 118                                 vorbis_info *vi = ov_info(&vf, -1);
 119                                 asset->channels = vi->channels;
 120                                 if(!asset->sample_rate)
 121                                         asset->sample_rate = vi->rate;
 122 //printf("FileVorbis::open_file 1\n");
 123                                 asset->audio_length = ov_pcm_total(&vf,-1);
 124 //printf("FileVorbis::open_file 1\n");
 125                                 asset->audio_data = 1;
 126 // printf("FileVorbis::open_file 1 %d %d %d\n",
 127 // asset->channels,
 128 // asset->sample_rate,
 129 // asset->audio_length);
 130                         }
 131                 }
 132         }
 133
 134         if(wr)
 135         {
 136                 if(!(fd = fopen(asset->path, "wb")))
 137                 {
 138                         eprintf("Error while opening \"%s\" for writing. \n%m\n", asset->path);
 139                         result = 1;
 140                 }
 141                 else
 142                 {
 143                         vorbis_info_init(&vi);
 144                         if(!asset->vorbis_vbr)
 145                                 result = vorbis_encode_init(&vi,
 146                                         asset->channels,
 147                                         asset->sample_rate,
 148                                         asset->vorbis_max_bitrate,
 149                                         asset->vorbis_bitrate,
 150                                         asset->vorbis_min_bitrate);
 151                         else
 152                         {
 153                                 result = vorbis_encode_setup_managed(&vi,
 154                                         asset->channels,
 155                                         asset->sample_rate,
 156                                         asset->vorbis_max_bitrate,
 157                                         asset->vorbis_bitrate,
 158                                         asset->vorbis_min_bitrate);
 159                                 result |= vorbis_encode_ctl(&vi, OV_ECTL_RATEMANAGE_AVG, NULL);
 160                                 result |= vorbis_encode_setup_init(&vi);
 161                         }
 162
 163                         if(!result)
 164                         {
 165                                 vorbis_analysis_init(&vd, &vi);
 166                                 vorbis_block_init(&vd, &vb);
 167                                 vorbis_comment_init(&vc);
 168                                 srand(time(NULL));
 169                                 ogg_stream_init(&os, rand());
 170
 171                                 ogg_packet header;
 172                                 ogg_packet header_comm;
 173                                 ogg_packet header_code;
 174                                 vorbis_analysis_headerout(&vd,
 175                                         &vc,
 176                                         &header,
 177                                         &header_comm,
 178                                         &header_code);
 179                                 ogg_stream_packetin(&os,
 180                                         &header);
 181                                 ogg_stream_packetin(&os,
 182                                         &header_comm);
 183                                 ogg_stream_packetin(&os,
 184                                         &header_code);
 185
 186                                 while(1)
 187                                 {
 188                                         int result = ogg_stream_flush(&os, &og);
 189                                         if(result == 0) break;
 190                                         fwrite(og.header, 1, og.header_len, fd);
 191                                         fwrite(og.body, 1, og.body_len, fd);
 192                                 }
 193                         }
 194                 }
 195         }
 196
 197 //printf("FileVorbis::open_file 2\n");
 198         return result;
 199 }
 200
 201 #define FLUSH_VORBIS \
 202 while(vorbis_analysis_blockout(&vd, &vb) == 1) \
 203 { \
 204         vorbis_analysis(&vb, NULL); \
 205         vorbis_bitrate_addblock(&vb); \
 206         while(vorbis_bitrate_flushpacket(&vd, &op)) \
 207         { \
 208                 ogg_stream_packetin(&os, &op); \
 209                 int done = 0; \
 210                 while(1) \
 211                 { \
 212                         int result = ogg_stream_pageout(&os, &og); \
 213                         if(!result) break; \
 214                         fwrite(og.header, 1, og.header_len, fd); \
 215                         fwrite(og.body, 1, og.body_len, fd); \
 216                         if(ogg_page_eos(&og)) break; \
 217                 } \
 218         } \
 219 }
 220
 221
 222 int FileVorbis::close_file()
 223 {
 224         if(fd)
 225         {
 226                 if(wr)
 227                 {
 228                         vorbis_analysis_wrote(&vd, 0);
 229                         FLUSH_VORBIS
 230
 231                         ogg_stream_clear(&os);
 232                         vorbis_block_clear(&vb);
 233                         vorbis_dsp_clear(&vd);
 234                         vorbis_comment_clear(&vc);
 235                         vorbis_info_clear(&vi);
 236                         fclose(fd);
 237                 }
 238
 239                 if(rd)
 240                 {
 241 // This also closes the file handle.
 242                         ov_clear(&vf);
 243                 }
 244                 fd = 0;
 245         }
 246
 247         if(pcm_history)
 248         {
 249                 for(int i = 0; i < asset->channels; i++)
 250                         delete [] pcm_history[i];
 251                 delete [] pcm_history;
 252         }
 253         if(pcm_history_float)
 254         {
 255                 for(int i = 0; i < asset->channels; i++)
 256                         delete [] pcm_history_float[i];
 257                 delete [] pcm_history_float;
 258         }
 259
 260         reset_parameters();
 261         FileBase::close_file();
 262         return 0;
 263 }
 264
 265
 266 int FileVorbis::write_samples(double **buffer, int64_t len)
 267 {
 268         if(!fd) return 0;
 269         int result = 0;
 270
 271         float **vorbis_buffer = vorbis_analysis_buffer(&vd, len);
 272         for(int i = 0; i < asset->channels; i++)
 273         {
 274                 float *output = vorbis_buffer[i];
 275                 double *input = buffer[i];
 276                 for(int j = 0; j < len; j++)
 277                 {
 278                         output[j] = input[j];
 279                 }
 280         }
 281     vorbis_analysis_wrote(&vd, len);
 282
 283         FLUSH_VORBIS
 284
 285         return result;
 286 }
 287
 288 int FileVorbis::read_samples(double *buffer, int64_t len)
 289 {
 290         if(!fd) return 0;
 291
 292 // printf("FileVorbis::read_samples 1 %d %d %d %d\n",
 293 // history_start,
 294 // history_size,
 295 // file->current_sample,
 296 // len);
 297         float **vorbis_output;
 298         int bitstream;
 299         int accumulation = 0;
 300 //printf("FileVorbis::read_samples 1\n");
 301         int decode_start = 0;
 302         int decode_len = 0;
 303
 304         if(len > 0x100000)
 305         {
 306                 eprintf("FileVorbis::read_samples max samples=%d\n", HISTORY_MAX);
 307                 return 1;
 308         }
 309
 310         if(!pcm_history)
 311         {
 312                 pcm_history = new double*[asset->channels];
 313                 for(int i = 0; i < asset->channels; i++)
 314                         pcm_history[i] = new double[HISTORY_MAX];
 315                 history_start = 0;
 316                 history_size = 0;
 317         }
 318
 319 // Restart history.  Don't bother shifting history back.
 320         if(file->current_sample < history_start ||
 321                 file->current_sample > history_start + history_size)
 322         {
 323                 history_size = 0;
 324                 history_start = file->current_sample;
 325                 decode_start = file->current_sample;
 326                 decode_len = len;
 327         }
 328         else
 329 // Shift history forward to make room for new samples
 330         if(file->current_sample + len > history_start + history_size)
 331         {
 332                 if(file->current_sample + len > history_start + HISTORY_MAX)
 333                 {
 334                         int diff = file->current_sample + len - (history_start + HISTORY_MAX);
 335                         for(int i = 0; i < asset->channels; i++)
 336                         {
 337                                 double *temp = pcm_history[i];
 338                                 for(int j = 0; j < HISTORY_MAX - diff; j++)
 339                                 {
 340                                         temp[j] = temp[j + diff];
 341                                 }
 342                         }
 343                         history_start += diff;
 344                         history_size -= diff;
 345                 }
 346
 347 // Decode more data
 348                 decode_start = history_start + history_size;
 349                 decode_len = file->current_sample + len - (history_start + history_size);
 350         }
 351
 352
 353 // Fill history buffer
 354         if(history_start + history_size != ov_pcm_tell(&vf))
 355         {
 356 //printf("FileVorbis::read_samples %d %d\n", history_start + history_size, ov_pcm_tell(&vf));
 357                 ov_pcm_seek(&vf, history_start + history_size);
 358         }
 359
 360         while(accumulation < decode_len)
 361         {
 362                 int result = ov_read_float(&vf,
 363                         &vorbis_output,
 364                         decode_len - accumulation,
 365                         &bitstream);
 366 //printf("FileVorbis::read_samples 1 %d %d %d\n", result, len, accumulation);
 367                 if(!result) break;
 368
 369                 for(int i = 0; i < asset->channels; i++)
 370                 {
 371                         double *output = pcm_history[i] + history_size;
 372                         float *input = vorbis_output[i];
 373                         for(int j = 0; j < result; j++)
 374                                 output[j] = input[j];
 375                 }
 376                 history_size += result;
 377                 accumulation += result;
 378         }
 379
 380
 381 // printf("FileVorbis::read_samples 1 %d %d\n",
 382 // file->current_sample,
 383 // history_start);
 384
 385         double *input = pcm_history[file->current_channel] +
 386                 file->current_sample -
 387                 history_start;
 388         for(int i = 0; i < len; i++)
 389                 buffer[i] = input[i];
 390
 391 // printf("FileVorbis::read_samples 2 %d %d %d %d\n",
 392 // history_start,
 393 // history_size,
 394 // file->current_sample,
 395 // len);
 396
 397         return 0;
 398 }
 399
 400 int FileVorbis::prefer_samples_float()
 401 {
 402         return 1;
 403 }
 404
 405 int FileVorbis::read_samples_float(float *buffer, int64_t len)
 406 {
 407         if(!fd) return 0;
 408
 409 // printf("FileVorbis::read_samples 1 %d %d %d %d\n",
 410 // history_start,
 411 // history_size,
 412 // file->current_sample,
 413 // len);
 414         float **vorbis_output;
 415         int bitstream;
 416         int accumulation = 0;
 417 //printf("FileVorbis::read_samples 1\n");
 418         int decode_start = 0;
 419         int decode_len = 0;
 420
 421         if(len > 0x100000)
 422         {
 423                 eprintf("FileVorbis::read_samples max samples=%d\n", HISTORY_MAX);
 424                 return 1;
 425         }
 426
 427         if(!pcm_history_float)
 428         {
 429                 pcm_history_float = new float*[asset->channels];
 430                 for(int i = 0; i < asset->channels; i++)
 431                         pcm_history_float[i] = new float[HISTORY_MAX];
 432                 history_start = 0;
 433                 history_size = 0;
 434         }
 435
 436 // Restart history.  Don't bother shifting history back.
 437         if(file->current_sample < history_start ||
 438                 file->current_sample > history_start + history_size)
 439         {
 440                 history_size = 0;
 441                 history_start = file->current_sample;
 442                 decode_start = file->current_sample;
 443                 decode_len = len;
 444         }
 445         else
 446 // Shift history forward to make room for new samples
 447         if(file->current_sample + len > history_start + history_size)
 448         {
 449                 if(file->current_sample + len > history_start + HISTORY_MAX)
 450                 {
 451                         int diff = file->current_sample + len - (history_start + HISTORY_MAX);
 452                         for(int i = 0; i < asset->channels; i++)
 453                         {
 454                                 float *temp = pcm_history_float[i];
 455 //                              for(int j = 0; j < HISTORY_MAX - diff; j++)
 456 //                              {
 457 //                                      temp[j] = temp[j + diff];
 458 //                              }
 459                                 bcopy(temp, temp + diff, (HISTORY_MAX - diff) * sizeof(float));
 460                         }
 461                         history_start += diff;
 462                         history_size -= diff;
 463                 }
 464
 465 // Decode more data
 466                 decode_start = history_start + history_size;
 467                 decode_len = file->current_sample + len - (history_start + history_size);
 468         }
 469
 470
 471 // Fill history buffer
 472         if(history_start + history_size != ov_pcm_tell(&vf))
 473         {
 474 //printf("FileVorbis::read_samples %d %d\n", history_start + history_size, ov_pcm_tell(&vf));
 475                 ov_pcm_seek(&vf, history_start + history_size);
 476         }
 477
 478         while(accumulation < decode_len)
 479         {
 480                 int result = ov_read_float(&vf,
 481                         &vorbis_output,
 482                         decode_len - accumulation,
 483                         &bitstream);
 484 //printf("FileVorbis::read_samples 1 %d %d %d\n", result, len, accumulation);
 485                 if(!result) break;
 486
 487                 for(int i = 0; i < asset->channels; i++)
 488                 {
 489                         float *output = pcm_history_float[i] + history_size;
 490                         float *input = vorbis_output[i];
 491 //                      for(int j = 0; j < result; j++)
 492 //                              output[j] = input[j];
 493                         bcopy(input, output, result * sizeof(float));
 494                 }
 495                 history_size += result;
 496                 accumulation += result;
 497         }
 498
 499
 500 // printf("FileVorbis::read_samples 1 %d %d\n",
 501 // file->current_sample,
 502 // history_start);
 503
 504         float *input = pcm_history_float[file->current_channel] +
 505                 file->current_sample -
 506                 history_start;
 507 //      for(int i = 0; i < len; i++)
 508 //              buffer[i] = input[i];
 509         bcopy(input, buffer, len * sizeof(float));
 510
 511 // printf("FileVorbis::read_samples 2 %d %d %d %d\n",
 512 // history_start,
 513 // history_size,
 514 // file->current_sample,
 515 // len);
 516
 517         return 0;
 518 }
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529 VorbisConfigAudio::VorbisConfigAudio(BC_WindowBase *parent_window,
 530         Asset_GC asset)
 531  : BC_Window(PROGRAM_NAME ": Audio Compression",
 532         parent_window->get_abs_cursor_x(1),
 533         parent_window->get_abs_cursor_y(1),
 534         350,
 535         170,
 536         -1,
 537         -1,
 538         0,
 539         0,
 540         1)
 541 {
 542         this->parent_window = parent_window;
 543         this->asset = asset;
 544 }
 545
 546 VorbisConfigAudio::~VorbisConfigAudio()
 547 {
 548 }
 549
 550 int VorbisConfigAudio::create_objects()
 551 {
 552         int x = 10, y = 10;
 553         int x1 = 150;
 554         char string[BCTEXTLEN];
 555
 556         add_tool(fixed_bitrate = new VorbisFixedBitrate(x, y, this));
 557         add_tool(variable_bitrate = new VorbisVariableBitrate(x1, y, this));
 558
 559         y += 30;
 560         sprintf(string, "%d", asset->vorbis_min_bitrate);
 561         add_tool(new BC_Title(x, y, _("Min bitrate:")));
 562         add_tool(new VorbisMinBitrate(x1, y, this, string));
 563
 564         y += 30;
 565         add_tool(new BC_Title(x, y, _("Avg bitrate:")));
 566         sprintf(string, "%d", asset->vorbis_bitrate);
 567         add_tool(new VorbisAvgBitrate(x1, y, this, string));
 568
 569         y += 30;
 570         add_tool(new BC_Title(x, y, _("Max bitrate:")));
 571         sprintf(string, "%d", asset->vorbis_max_bitrate);
 572         add_tool(new VorbisMaxBitrate(x1, y, this, string));
 573
 574
 575         add_subwindow(new BC_OKButton(this));
 576         show_window();
 577         flush();
 578         return 0;
 579 }
 580
 581 int VorbisConfigAudio::close_event()
 582 {
 583         set_done(0);
 584         return 1;
 585 }
 586
 587
 588
 589
 590
 591 VorbisFixedBitrate::VorbisFixedBitrate(int x, int y, VorbisConfigAudio *gui)
 592  : BC_Radial(x, y, !gui->asset->vorbis_vbr, _("Fixed bitrate"))
 593 {
 594         this->gui = gui;
 595 }
 596 int VorbisFixedBitrate::handle_event()
 597 {
 598         gui->asset->vorbis_vbr = 0;
 599         gui->variable_bitrate->update(0);
 600         return 1;
 601 }
 602
 603 VorbisVariableBitrate::VorbisVariableBitrate(int x, int y, VorbisConfigAudio *gui)
 604  : BC_Radial(x, y, gui->asset->vorbis_vbr, _("Variable bitrate"))
 605 {
 606         this->gui = gui;
 607 }
 608 int VorbisVariableBitrate::handle_event()
 609 {
 610         gui->asset->vorbis_vbr = 1;
 611         gui->fixed_bitrate->update(0);
 612         return 1;
 613 }
 614
 615
 616 VorbisMinBitrate::VorbisMinBitrate(int x,
 617         int y,
 618         VorbisConfigAudio *gui,
 619         char *text)
 620  : BC_TextBox(x, y, 180, 1, text)
 621 {
 622         this->gui = gui;
 623 }
 624 int VorbisMinBitrate::handle_event()
 625 {
 626         gui->asset->vorbis_min_bitrate = atol(get_text());
 627         return 1;
 628 }
 629
 630
 631
 632 VorbisMaxBitrate::VorbisMaxBitrate(int x,
 633         int y,
 634         VorbisConfigAudio *gui,
 635         char *text)
 636  : BC_TextBox(x, y, 180, 1, text)
 637 {
 638         this->gui = gui;
 639 }
 640 int VorbisMaxBitrate::handle_event()
 641 {
 642         gui->asset->vorbis_max_bitrate = atol(get_text());
 643         return 1;
 644 }
 645
 646
 647
 648 VorbisAvgBitrate::VorbisAvgBitrate(int x, int y, VorbisConfigAudio *gui, char *text)
 649  : BC_TextBox(x, y, 180, 1, text)
 650 {
 651         this->gui = gui;
 652 }
 653 int VorbisAvgBitrate::handle_event()
 654 {
 655         gui->asset->vorbis_bitrate = atol(get_text());
 656         return 1;
 657 }
 658
 659
 660
 661
 662 /*
 663 //      Local Variables:
 664 //      mode: C++
 665 //      c-file-style: "linux"
 666 //      End:
 667 */