cinelerra-5.1/cinelerra/fileexr.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 #ifdef HAVE_OPENEXR
  23
  24 #include "asset.h"
  25 #include "bcsignals.h"
  26 #include "clip.h"
  27 #include "fileexr.h"
  28 #include "filesystem.h"
  29 #include "interlacemodes.h"
  30
  31 #include "mwindow.inc"
  32 #include "vframe.h"
  33
  34 #include "ImfChannelList.h"
  35 #include "ImfChromaticities.h"
  36 #include "ImfCompression.h"
  37 #include "ImfIO.h"
  38 #include "ImfInputFile.h"
  39 #include "ImfOutputFile.h"
  40 #include "ImfPixelType.h"
  41 #include "ImfRgbaFile.h"
  42 #include "ImfRgbaYca.h"
  43 #include "ImfVersion.h"
  44
  45 class EXRIStream : public Imf::IStream
  46 {
  47 public:
  48         EXRIStream(char *data, int size);
  49         ~EXRIStream();
  50
  51         bool read (char c[], int n);
  52         Imf::Int64 tellg ();
  53         void seekg (Imf::Int64 pos);
  54         void clear ();
  55
  56 private:
  57         char *data;
  58         int size;
  59         int position;
  60 };
  61
  62 class EXROStream : public Imf::OStream
  63 {
  64 public:
  65         EXROStream(VFrame *data);
  66         ~EXROStream();
  67
  68     virtual void write(const char c[], int n);
  69     virtual Imf::Int64 tellp();
  70     virtual void seekp(Imf::Int64 pos);
  71
  72 private:
  73         VFrame *data;
  74         int position;
  75 };
  76
  77
  78
  79 EXRIStream::EXRIStream(char *data, int size)
  80  : Imf::IStream("mypath")
  81 {
  82         this->data = data;
  83         this->size = size;
  84         position = 0;
  85 }
  86
  87 EXRIStream::~EXRIStream()
  88 {
  89 }
  90
  91 bool EXRIStream::read(char c[], int n)
  92 {
  93         int fragment = n;
  94         if(position + fragment > size)
  95         {
  96                 fragment = size - position;
  97         }
  98         memcpy(c, data + position, fragment);
  99         position += fragment;
 100
 101         if(n != fragment)
 102         {
 103                 throw Iex::InputExc ("EXRIStream::read: Unexpected end of file.");
 104         }
 105         return position >= size;
 106 }
 107
 108 Imf::Int64 EXRIStream::tellg ()
 109 {
 110         return position;
 111 }
 112
 113 void EXRIStream::seekg(Imf::Int64 pos)
 114 {
 115         position = pos;
 116 }
 117
 118 void EXRIStream::clear()
 119 {
 120 }
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132 EXROStream::EXROStream(VFrame *data)
 133  : Imf::OStream("mypath")
 134 {
 135         this->data = data;
 136         position = 0;
 137 }
 138 EXROStream::~EXROStream()
 139 {
 140 }
 141
 142 void EXROStream::write(const char c[], int n)
 143 {
 144         if(position + n > data->get_compressed_allocated())
 145                 data->allocate_compressed_data(MAX(position + n, data->get_compressed_allocated() * 2));
 146
 147         memcpy(data->get_data() + position, c, n);
 148         position += n;
 149         data->set_compressed_size(MAX(position, data->get_compressed_size()));
 150 }
 151
 152 Imf::Int64 EXROStream::tellp()
 153 {
 154         return position;
 155 }
 156
 157 void EXROStream::seekp(Imf::Int64 pos)
 158 {
 159         position = pos;
 160 }
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172 FileEXR::FileEXR(Asset *asset, File *file)
 173  : FileList(asset, file, "EXRLIST", ".exr", FILE_EXR, FILE_EXR_LIST)
 174 {
 175         native_cmodel = BC_RGB_FLOAT;
 176         is_yuv = 0;
 177         temp_y = 0;
 178         temp_u = 0;
 179         temp_v = 0;
 180 }
 181
 182 FileEXR::~FileEXR()
 183 {
 184         if(temp_y) delete [] temp_y;
 185         if(temp_u) delete [] temp_u;
 186         if(temp_v) delete [] temp_v;
 187 }
 188
 189 const char* FileEXR::compression_to_str(int compression)
 190 {
 191         switch(compression)
 192         {
 193                 case FileEXR::NONE: return "None"; break;
 194                 case FileEXR::PIZ: return "PIZ"; break;
 195                 case FileEXR::ZIP: return "ZIP"; break;
 196                 case FileEXR::ZIPS: return "ZIPS"; break;
 197                 case FileEXR::RLE: return "RLE"; break;
 198                 case FileEXR::PXR24: return "PXR24"; break;
 199         }
 200         return _("None");
 201 }
 202
 203 int FileEXR::compression_to_exr(int compression)
 204 {
 205         switch(compression)
 206         {
 207                 case FileEXR::NONE: return (int)Imf::NO_COMPRESSION; break;
 208                 case FileEXR::PIZ: return (int)Imf::PIZ_COMPRESSION; break;
 209                 case FileEXR::ZIP: return (int)Imf::ZIP_COMPRESSION; break;
 210                 case FileEXR::ZIPS: return (int)Imf::ZIPS_COMPRESSION; break;
 211                 case FileEXR::RLE: return (int)Imf::RLE_COMPRESSION; break;
 212                 case FileEXR::PXR24: return (int)Imf::PXR24_COMPRESSION; break;
 213         }
 214         return Imf::NO_COMPRESSION;
 215 }
 216
 217 int FileEXR::str_to_compression(char *string)
 218 {
 219         if(!strcmp(compression_to_str(FileEXR::NONE), string))
 220                 return FileEXR::NONE;
 221         if(!strcmp(compression_to_str(FileEXR::PIZ), string))
 222                 return FileEXR::PIZ;
 223         if(!strcmp(compression_to_str(FileEXR::ZIP), string))
 224                 return FileEXR::ZIP;
 225         if(!strcmp(compression_to_str(FileEXR::ZIPS), string))
 226                 return FileEXR::ZIPS;
 227         if(!strcmp(compression_to_str(FileEXR::RLE), string))
 228                 return FileEXR::RLE;
 229         if(!strcmp(compression_to_str(FileEXR::PXR24), string))
 230                 return PXR24;
 231         return FileEXR::NONE;
 232 }
 233
 234 int FileEXR::check_sig(Asset *asset, char *test)
 235 {
 236         if(Imf::isImfMagic(test)) return 1;
 237         if(test[0] == 'E' && test[1] == 'X' && test[2] == 'R' &&
 238                 test[3] == 'L' && test[4] == 'I' && test[5] == 'S' && test[6] == 'T')
 239         {
 240                 return 1;
 241         }
 242
 243         return 0;
 244 }
 245
 246 void FileEXR::get_parameters(BC_WindowBase *parent_window,
 247         Asset *asset, BC_WindowBase* &format_window,
 248         int audio_options, int video_options, EDL *edl)
 249 {
 250         if(video_options)
 251         {
 252                 EXRConfigVideo *window = new EXRConfigVideo(parent_window, asset);
 253                 format_window = window;
 254                 window->create_objects();
 255                 window->run_window();
 256                 delete window;
 257         }
 258 }
 259
 260 int FileEXR::colormodel_supported(int colormodel)
 261 {
 262         return native_cmodel;
 263 }
 264
 265 int FileEXR::get_best_colormodel(Asset *asset, int driver)
 266 {
 267         if(asset->exr_use_alpha)
 268                 return BC_RGBA_FLOAT;
 269         else
 270                 return BC_RGB_FLOAT;
 271 }
 272
 273 int64_t FileEXR::get_memory_usage()
 274 {
 275         int64_t result = FileList::get_memory_usage();
 276         if(temp_y) result += (int64_t)asset->width * asset->height * 3 / 2;
 277         return result;
 278 }
 279
 280
 281 int FileEXR::read_frame_header(char *path)
 282 {
 283         int result = 0;
 284
 285 // This may have been used by VFS
 286 //      FILE *stream;
 287 //
 288 //      if(!(stream = fopen(path, "rb")))
 289 //      {
 290 //              perror("FileEXR::read_frame_header");
 291 //              return 1;
 292 //      }
 293 //      int size = FileSystem::get_size(path);
 294 //      char *buffer = new char[size];
 295 //      fread(buffer, size, 1, stream);
 296 //      fclose(stream);
 297 //
 298 //      EXRIStream exr_stream(buffer, size);
 299 //      Imf::InputFile file(exr_stream);
 300
 301
 302         Imf::InputFile file(path);
 303
 304         Imath::Box2i dw = file.header().dataWindow();
 305
 306         asset->width = dw.max.x - dw.min.x + 1;
 307         asset->height = dw.max.y - dw.min.y + 1;
 308         asset->interlace_mode = ILACE_MODE_NOTINTERLACED;
 309
 310         const Imf::ChannelList &channels = file.header().channels();
 311
 312         if(channels.findChannel("A"))
 313                 native_cmodel = BC_RGBA_FLOAT;
 314         else
 315                 native_cmodel = BC_RGB_FLOAT;
 316         asset->exr_use_alpha = BC_CModels::has_alpha(native_cmodel) ? 1 : 0;
 317
 318         if(channels.findChannel("Y"))
 319                 is_yuv = 1;
 320 // for (Imf::ChannelList::ConstIterator i = channels.begin(); i != channels.end(); ++i)
 321 // {
 322 // printf("%s\n", i.name());
 323 // }
 324
 325 //      delete [] buffer;
 326         return result;
 327 }
 328
 329 int FileEXR::read_frame(VFrame *frame, VFrame *data)
 330 {
 331         EXRIStream exr_stream((char*)data->get_data(), data->get_compressed_size());
 332         Imf::InputFile file(exr_stream);
 333         Imath::Box2i dw = file.header().dataWindow();
 334     int dx = dw.min.x;
 335     int dy = dw.min.y;
 336         Imf::FrameBuffer framebuffer;
 337         float **rows = (float**)frame->get_rows();
 338         int components = BC_CModels::components(frame->get_color_model());
 339
 340         if(is_yuv)
 341         {
 342                 if(!temp_y) temp_y = new float[asset->width * asset->height];
 343                 if(!temp_u) temp_u = new float[asset->width * asset->height / 4];
 344                 if(!temp_v) temp_v = new float[asset->width * asset->height / 4];
 345                 framebuffer.insert("Y", Imf::Slice(Imf::FLOAT,
 346                         (char*)(temp_y - dy * asset->width - dx),
 347                         sizeof(float),
 348                         sizeof(float) * frame->get_w()));
 349                 framebuffer.insert("BY", Imf::Slice(Imf::FLOAT,
 350                         (char*)(temp_u - dy * asset->width / 4 - dx / 2),
 351                         sizeof(float),
 352                         sizeof(float) * frame->get_w() / 2,
 353                         2,
 354                         2));
 355                 framebuffer.insert("RY", Imf::Slice(Imf::FLOAT,
 356                         (char*)(temp_v - dy * asset->width / 4 - dx / 2),
 357                         sizeof(float),
 358                         sizeof(float) * frame->get_w() / 2,
 359                         2,
 360                         2));
 361         }
 362         else
 363         {
 364                 framebuffer.insert("R", Imf::Slice(Imf::FLOAT,
 365                         (char*)(&rows[-dy][-dx * components]),
 366                         sizeof(float) * components,
 367                         sizeof(float) * components * frame->get_w()));
 368                 framebuffer.insert("G", Imf::Slice(Imf::FLOAT,
 369                         (char*)(&rows[-dy][-dx * components + 1]),
 370                         sizeof(float) * components,
 371                         sizeof(float) * components * frame->get_w()));
 372                 framebuffer.insert("B", Imf::Slice(Imf::FLOAT,
 373                         (char*)(&rows[-dy][-dx * components + 2]),
 374                         sizeof(float) * components,
 375                         sizeof(float) * components * frame->get_w()));
 376         }
 377
 378 // Alpha always goes directly to the output frame
 379         if(components == 4)
 380         {
 381                 framebuffer.insert("A", Imf::Slice(Imf::FLOAT,
 382                         (char*)(&rows[-dy][-dx * components + 3]),
 383                         sizeof(float) * components,
 384                         sizeof(float) * components * frame->get_w()));
 385         }
 386
 387         file.setFrameBuffer(framebuffer);
 388         file.readPixels (dw.min.y, dw.max.y);
 389
 390         if(is_yuv)
 391         {
 392 // Convert to RGB using crazy ILM equations
 393                 Imath::V3f yw;
 394                 Imf::Chromaticities cr;
 395                 yw = Imf::RgbaYca::computeYw(cr);
 396
 397                 for(int i = 0; i < asset->height - 1; i += 2)
 398                 {
 399                         float *y_row1 = temp_y + i * asset->width;
 400                         float *y_row2 = temp_y + (i + 1) * asset->width;
 401                         float *u_row = temp_u + (i * asset->width / 4);
 402                         float *v_row = temp_v + (i * asset->width / 4);
 403                         float *out_row1 = rows[i];
 404                         float *out_row2 = rows[i + 1];
 405                         for(int j = 0; j < asset->width - 1; j += 2)
 406                         {
 407                                 float v = *u_row++;
 408                                 float u = *v_row++;
 409                                 float y;
 410
 411                                 float r, g, b;
 412                                 y = *y_row1++;
 413                                 r = (u + 1) * y;
 414                                 b = (v + 1) * y;
 415                                 g = (y - r * yw.x - b * yw.z) / yw.y;
 416                                 *out_row1++ = r;
 417                                 *out_row1++ = g;
 418                                 *out_row1++ = b;
 419                                 if(components == 4) out_row1++;
 420
 421                                 y = *y_row1++;
 422                                 r = (u + 1) * y;
 423                                 b = (v + 1) * y;
 424                                 g = (y - r * yw.x - b * yw.z) / yw.y;
 425                                 *out_row1++ = r;
 426                                 *out_row1++ = g;
 427                                 *out_row1++ = b;
 428                                 if(components == 4) out_row1++;
 429
 430                                 y = *y_row2++;
 431                                 r = (u + 1) * y;
 432                                 b = (v + 1) * y;
 433                                 g = (y - r * yw.x - b * yw.z) / yw.y;
 434                                 *out_row2++ = r;
 435                                 *out_row2++ = g;
 436                                 *out_row2++ = b;
 437                                 if(components == 4) out_row1++;
 438
 439                                 y = *y_row2++;
 440                                 r = (u + 1) * y;
 441                                 b = (v + 1) * y;
 442                                 g = (y - r * yw.x - b * yw.z) / yw.y;
 443                                 *out_row2++ = r;
 444                                 *out_row2++ = g;
 445                                 *out_row2++ = b;
 446                                 if(components == 4) out_row1++;
 447                         }
 448                 }
 449         }
 450         return 0;
 451 }
 452
 453
 454
 455
 456 int FileEXR::write_frame(VFrame *frame, VFrame *data, FrameWriterUnit *unit)
 457 {
 458         EXRUnit *exr_unit = (EXRUnit*)unit;
 459
 460         VFrame *output_frame;
 461         data->set_compressed_size(0);
 462
 463
 464         int native_cmodel = asset->exr_use_alpha ? BC_RGBA_FLOAT : BC_RGB_FLOAT;
 465         int components = BC_CModels::components(native_cmodel);
 466
 467         if(frame->get_color_model() != native_cmodel)
 468         {
 469                 if(!exr_unit->temp_frame) exr_unit->temp_frame =
 470                         new VFrame(asset->width, asset->height, native_cmodel, 0);
 471                 BC_CModels::transfer(exr_unit->temp_frame->get_rows(), /* Leave NULL if non existent */
 472                         frame->get_rows(),
 473                         exr_unit->temp_frame->get_y(), /* Leave NULL if non existent */
 474                         exr_unit->temp_frame->get_u(),
 475                         exr_unit->temp_frame->get_v(),
 476                         frame->get_y(), /* Leave NULL if non existent */
 477                         frame->get_u(),
 478                         frame->get_v(),
 479                         0,        /* Dimensions to capture from input frame */
 480                         0,
 481                         asset->width,
 482                         asset->height,
 483                         0,       /* Dimensions to project on output frame */
 484                         0,
 485                         asset->width,
 486                         asset->height,
 487                         frame->get_color_model(),
 488                         native_cmodel,
 489                         0,         /* When transfering BC_RGBA8888 to non-alpha this is the background color in 0xRRGGBB hex */
 490                         asset->width,       /* For planar use the luma rowspan */
 491                         asset->height);
 492                 output_frame = exr_unit->temp_frame;
 493         }
 494         else
 495                 output_frame = frame;
 496
 497         Imf::Header header(output_frame->get_w(), output_frame->get_h());
 498         header.compression() = (Imf::Compression)compression_to_exr(
 499                 asset->exr_compression);
 500         header.channels().insert("R", Imf::Channel(Imf::FLOAT));
 501         header.channels().insert("G", Imf::Channel(Imf::FLOAT));
 502         header.channels().insert("B", Imf::Channel(Imf::FLOAT));
 503         if(asset->exr_use_alpha) header.channels().insert("A", Imf::Channel(Imf::FLOAT));
 504
 505         EXROStream exr_stream(data);
 506         Imf::OutputFile file(exr_stream, header);
 507         Imf::FrameBuffer framebuffer;
 508         float **rows = (float**)output_frame->get_rows();
 509         framebuffer.insert("R",
 510                 Imf::Slice(Imf::FLOAT,
 511                         (char*)(rows[0]),
 512                         sizeof(float) * components,
 513                         sizeof(float) * components * output_frame->get_w()));
 514         framebuffer.insert("G",
 515                 Imf::Slice(Imf::FLOAT,
 516                         (char*)(rows[0] + 1),
 517                         sizeof(float) * components,
 518                         sizeof(float) * components * output_frame->get_w()));
 519         framebuffer.insert("B",
 520                 Imf::Slice(Imf::FLOAT,
 521                         (char*)(rows[0] + 2),
 522                         sizeof(float) * components,
 523                         sizeof(float) * components * output_frame->get_w()));
 524         if(asset->exr_use_alpha)
 525                 framebuffer.insert("A",
 526                         Imf::Slice(Imf::FLOAT,
 527                                 (char*)(rows[0] + 3),
 528                                 sizeof(float) * components,
 529                                 sizeof(float) * components * output_frame->get_w()));
 530         file.setFrameBuffer(framebuffer);
 531         file.writePixels(asset->height);
 532         return 0;
 533 }
 534
 535 FrameWriterUnit* FileEXR::new_writer_unit(FrameWriter *writer)
 536 {
 537         return new EXRUnit(this, writer);
 538 }
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551 EXRUnit::EXRUnit(FileEXR *file, FrameWriter *writer)
 552  : FrameWriterUnit(writer)
 553 {
 554         this->file = file;
 555         temp_frame = 0;
 556 }
 557
 558 EXRUnit::~EXRUnit()
 559 {
 560         if(temp_frame) delete temp_frame;
 561 }
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573 EXRConfigVideo::EXRConfigVideo(BC_WindowBase *parent_window, Asset *asset)
 574  : BC_Window(_(PROGRAM_NAME ": Video Compression"),
 575         parent_window->get_abs_cursor_x(1),
 576         parent_window->get_abs_cursor_y(1),
 577         300,
 578         BC_OKButton::calculate_h() + 100)
 579 {
 580         this->parent_window = parent_window;
 581         this->asset = asset;
 582 }
 583
 584 EXRConfigVideo::~EXRConfigVideo()
 585 {
 586 }
 587
 588 void EXRConfigVideo::create_objects()
 589 {
 590         lock_window("EXRConfigVideo::create_objects");
 591         int x = 10, y = 10;
 592         add_subwindow(new EXRUseAlpha(this, x, y));
 593         y += 30;
 594         EXRCompression *menu;
 595         add_subwindow(new BC_Title(x, y, _("Compression:")));
 596         x += 110;
 597         add_subwindow(menu = new EXRCompression(this, x, y, 100));
 598         menu->create_objects();
 599         add_subwindow(new BC_OKButton(this));
 600         show_window(1);
 601         unlock_window();
 602 }
 603
 604 int EXRConfigVideo::close_event()
 605 {
 606         set_done(0);
 607         return 1;
 608 }
 609
 610
 611 EXRUseAlpha::EXRUseAlpha(EXRConfigVideo *gui, int x, int y)
 612  : BC_CheckBox(x, y, gui->asset->exr_use_alpha, _("Use alpha"))
 613 {
 614         this->gui = gui;
 615 }
 616
 617 int EXRUseAlpha::handle_event()
 618 {
 619         gui->asset->exr_use_alpha = get_value();
 620         return 1;
 621 }
 622
 623
 624
 625 EXRCompression::EXRCompression(EXRConfigVideo *gui, int x, int y, int w)
 626  : BC_PopupMenu(x,
 627         y,
 628         w,
 629         FileEXR::compression_to_str(gui->asset->exr_compression))
 630 {
 631         this->gui = gui;
 632 }
 633 void EXRCompression::create_objects()
 634 {
 635         add_item(new EXRCompressionItem(gui, FileEXR::NONE));
 636         add_item(new EXRCompressionItem(gui, FileEXR::PIZ));
 637         add_item(new EXRCompressionItem(gui, FileEXR::ZIP));
 638         add_item(new EXRCompressionItem(gui, FileEXR::ZIPS));
 639         add_item(new EXRCompressionItem(gui, FileEXR::RLE));
 640         add_item(new EXRCompressionItem(gui, FileEXR::PXR24));
 641 }
 642
 643 int EXRCompression::handle_event()
 644 {
 645         return 1;
 646 }
 647
 648 EXRCompressionItem::EXRCompressionItem(EXRConfigVideo *gui, int value)
 649  : BC_MenuItem(FileEXR::compression_to_str(value))
 650 {
 651         this->gui = gui;
 652         this->value = value;
 653 }
 654
 655 int EXRCompressionItem::handle_event()
 656 {
 657         gui->asset->exr_compression = value;
 658         return 0;
 659 }
 660
 661 #endif