/[svn]/libgig/trunk/src/gig.cpp
ViewVC logotype

Diff of /libgig/trunk/src/gig.cpp

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2482 by schoenebeck, Mon Nov 25 02:22:38 2013 UTC revision 2557 by schoenebeck, Sat May 17 23:31:20 2014 UTC
# Line 2  Line 2 
2   *                                                                         *   *                                                                         *
3   *   libgig - C++ cross-platform Gigasampler format file access library    *   *   libgig - C++ cross-platform Gigasampler format file access library    *
4   *                                                                         *   *                                                                         *
5   *   Copyright (C) 2003-2013 by Christian Schoenebeck                      *   *   Copyright (C) 2003-2014 by Christian Schoenebeck                      *
6   *                              <cuse@users.sourceforge.net>               *   *                              <cuse@users.sourceforge.net>               *
7   *                                                                         *   *                                                                         *
8   *   This library is free software; you can redistribute it and/or modify  *   *   This library is free software; you can redistribute it and/or modify  *
# Line 28  Line 28 
28  #include <algorithm>  #include <algorithm>
29  #include <math.h>  #include <math.h>
30  #include <iostream>  #include <iostream>
31    #include <assert.h>
32    
33  /// Initial size of the sample buffer which is used for decompression of  /// Initial size of the sample buffer which is used for decompression of
34  /// compressed sample wave streams - this value should always be bigger than  /// compressed sample wave streams - this value should always be bigger than
# Line 581  namespace { Line 582  namespace {
582          // update '3gix' chunk          // update '3gix' chunk
583          pData = (uint8_t*) pCk3gix->LoadChunkData();          pData = (uint8_t*) pCk3gix->LoadChunkData();
584          store16(&pData[0], iSampleGroup);          store16(&pData[0], iSampleGroup);
585    
586            // if the library user toggled the "Compressed" attribute from true to
587            // false, then the EWAV chunk associated with compressed samples needs
588            // to be deleted
589            RIFF::Chunk* ewav = pWaveList->GetSubChunk(CHUNK_ID_EWAV);
590            if (ewav && !Compressed) {
591                pWaveList->DeleteSubChunk(ewav);
592            }
593      }      }
594    
595      /// Scans compressed samples for mandatory informations (e.g. actual number of total sample points).      /// Scans compressed samples for mandatory informations (e.g. actual number of total sample points).
# Line 1700  namespace { Line 1709  namespace {
1709          //NOTE: copy code copied from assignment constructor above, see comment there as well          //NOTE: copy code copied from assignment constructor above, see comment there as well
1710                    
1711          *this = *orig; // default memberwise shallow copy of all parameters          *this = *orig; // default memberwise shallow copy of all parameters
1712            
1713            // restore members that shall not be altered
1714          pParentList = p; // restore the chunk pointer          pParentList = p; // restore the chunk pointer
1715            pRegion = pOriginalRegion;
1716                    
1717          // only take the raw sample reference & parent region reference if the          // only take the raw sample reference reference if the
1718          // two DimensionRegion objects are part of the same file          // two DimensionRegion objects are part of the same file
1719          if (pOriginalRegion->GetParent()->GetParent() != orig->pRegion->GetParent()->GetParent()) {          if (pOriginalRegion->GetParent()->GetParent() != orig->pRegion->GetParent()->GetParent()) {
             pRegion = pOriginalRegion;  
1720              pSample = pOriginalSample;              pSample = pOriginalSample;
1721          }          }
1722                    
# Line 2079  namespace { Line 2090  namespace {
2090          return pRegion;          return pRegion;
2091      }      }
2092    
2093    // show error if some _lev_ctrl_* enum entry is not listed in the following function
2094    // (commented out for now, because "diagnostic push" not supported prior GCC 4.6)
2095    // TODO: uncomment and add a GCC version check (see also commented "#pragma GCC diagnostic pop" below)
2096    //#pragma GCC diagnostic push
2097    //#pragma GCC diagnostic error "-Wswitch"
2098    
2099      leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) {      leverage_ctrl_t DimensionRegion::DecodeLeverageController(_lev_ctrl_t EncodedController) {
2100          leverage_ctrl_t decodedcontroller;          leverage_ctrl_t decodedcontroller;
2101          switch (EncodedController) {          switch (EncodedController) {
# Line 2190  namespace { Line 2207  namespace {
2207                  decodedcontroller.controller_number = 95;                  decodedcontroller.controller_number = 95;
2208                  break;                  break;
2209    
2210                // format extension (these controllers are so far only supported by
2211                // LinuxSampler & gigedit) they will *NOT* work with
2212                // Gigasampler/GigaStudio !
2213                case _lev_ctrl_CC3_EXT:
2214                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2215                    decodedcontroller.controller_number = 3;
2216                    break;
2217                case _lev_ctrl_CC6_EXT:
2218                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2219                    decodedcontroller.controller_number = 6;
2220                    break;
2221                case _lev_ctrl_CC7_EXT:
2222                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2223                    decodedcontroller.controller_number = 7;
2224                    break;
2225                case _lev_ctrl_CC8_EXT:
2226                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2227                    decodedcontroller.controller_number = 8;
2228                    break;
2229                case _lev_ctrl_CC9_EXT:
2230                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2231                    decodedcontroller.controller_number = 9;
2232                    break;
2233                case _lev_ctrl_CC10_EXT:
2234                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2235                    decodedcontroller.controller_number = 10;
2236                    break;
2237                case _lev_ctrl_CC11_EXT:
2238                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2239                    decodedcontroller.controller_number = 11;
2240                    break;
2241                case _lev_ctrl_CC14_EXT:
2242                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2243                    decodedcontroller.controller_number = 14;
2244                    break;
2245                case _lev_ctrl_CC15_EXT:
2246                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2247                    decodedcontroller.controller_number = 15;
2248                    break;
2249                case _lev_ctrl_CC20_EXT:
2250                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2251                    decodedcontroller.controller_number = 20;
2252                    break;
2253                case _lev_ctrl_CC21_EXT:
2254                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2255                    decodedcontroller.controller_number = 21;
2256                    break;
2257                case _lev_ctrl_CC22_EXT:
2258                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2259                    decodedcontroller.controller_number = 22;
2260                    break;
2261                case _lev_ctrl_CC23_EXT:
2262                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2263                    decodedcontroller.controller_number = 23;
2264                    break;
2265                case _lev_ctrl_CC24_EXT:
2266                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2267                    decodedcontroller.controller_number = 24;
2268                    break;
2269                case _lev_ctrl_CC25_EXT:
2270                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2271                    decodedcontroller.controller_number = 25;
2272                    break;
2273                case _lev_ctrl_CC26_EXT:
2274                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2275                    decodedcontroller.controller_number = 26;
2276                    break;
2277                case _lev_ctrl_CC27_EXT:
2278                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2279                    decodedcontroller.controller_number = 27;
2280                    break;
2281                case _lev_ctrl_CC28_EXT:
2282                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2283                    decodedcontroller.controller_number = 28;
2284                    break;
2285                case _lev_ctrl_CC29_EXT:
2286                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2287                    decodedcontroller.controller_number = 29;
2288                    break;
2289                case _lev_ctrl_CC30_EXT:
2290                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2291                    decodedcontroller.controller_number = 30;
2292                    break;
2293                case _lev_ctrl_CC31_EXT:
2294                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2295                    decodedcontroller.controller_number = 31;
2296                    break;
2297                case _lev_ctrl_CC68_EXT:
2298                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2299                    decodedcontroller.controller_number = 68;
2300                    break;
2301                case _lev_ctrl_CC69_EXT:
2302                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2303                    decodedcontroller.controller_number = 69;
2304                    break;
2305                case _lev_ctrl_CC70_EXT:
2306                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2307                    decodedcontroller.controller_number = 70;
2308                    break;
2309                case _lev_ctrl_CC71_EXT:
2310                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2311                    decodedcontroller.controller_number = 71;
2312                    break;
2313                case _lev_ctrl_CC72_EXT:
2314                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2315                    decodedcontroller.controller_number = 72;
2316                    break;
2317                case _lev_ctrl_CC73_EXT:
2318                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2319                    decodedcontroller.controller_number = 73;
2320                    break;
2321                case _lev_ctrl_CC74_EXT:
2322                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2323                    decodedcontroller.controller_number = 74;
2324                    break;
2325                case _lev_ctrl_CC75_EXT:
2326                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2327                    decodedcontroller.controller_number = 75;
2328                    break;
2329                case _lev_ctrl_CC76_EXT:
2330                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2331                    decodedcontroller.controller_number = 76;
2332                    break;
2333                case _lev_ctrl_CC77_EXT:
2334                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2335                    decodedcontroller.controller_number = 77;
2336                    break;
2337                case _lev_ctrl_CC78_EXT:
2338                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2339                    decodedcontroller.controller_number = 78;
2340                    break;
2341                case _lev_ctrl_CC79_EXT:
2342                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2343                    decodedcontroller.controller_number = 79;
2344                    break;
2345                case _lev_ctrl_CC84_EXT:
2346                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2347                    decodedcontroller.controller_number = 84;
2348                    break;
2349                case _lev_ctrl_CC85_EXT:
2350                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2351                    decodedcontroller.controller_number = 85;
2352                    break;
2353                case _lev_ctrl_CC86_EXT:
2354                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2355                    decodedcontroller.controller_number = 86;
2356                    break;
2357                case _lev_ctrl_CC87_EXT:
2358                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2359                    decodedcontroller.controller_number = 87;
2360                    break;
2361                case _lev_ctrl_CC89_EXT:
2362                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2363                    decodedcontroller.controller_number = 89;
2364                    break;
2365                case _lev_ctrl_CC90_EXT:
2366                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2367                    decodedcontroller.controller_number = 90;
2368                    break;
2369                case _lev_ctrl_CC96_EXT:
2370                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2371                    decodedcontroller.controller_number = 96;
2372                    break;
2373                case _lev_ctrl_CC97_EXT:
2374                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2375                    decodedcontroller.controller_number = 97;
2376                    break;
2377                case _lev_ctrl_CC102_EXT:
2378                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2379                    decodedcontroller.controller_number = 102;
2380                    break;
2381                case _lev_ctrl_CC103_EXT:
2382                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2383                    decodedcontroller.controller_number = 103;
2384                    break;
2385                case _lev_ctrl_CC104_EXT:
2386                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2387                    decodedcontroller.controller_number = 104;
2388                    break;
2389                case _lev_ctrl_CC105_EXT:
2390                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2391                    decodedcontroller.controller_number = 105;
2392                    break;
2393                case _lev_ctrl_CC106_EXT:
2394                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2395                    decodedcontroller.controller_number = 106;
2396                    break;
2397                case _lev_ctrl_CC107_EXT:
2398                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2399                    decodedcontroller.controller_number = 107;
2400                    break;
2401                case _lev_ctrl_CC108_EXT:
2402                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2403                    decodedcontroller.controller_number = 108;
2404                    break;
2405                case _lev_ctrl_CC109_EXT:
2406                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2407                    decodedcontroller.controller_number = 109;
2408                    break;
2409                case _lev_ctrl_CC110_EXT:
2410                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2411                    decodedcontroller.controller_number = 110;
2412                    break;
2413                case _lev_ctrl_CC111_EXT:
2414                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2415                    decodedcontroller.controller_number = 111;
2416                    break;
2417                case _lev_ctrl_CC112_EXT:
2418                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2419                    decodedcontroller.controller_number = 112;
2420                    break;
2421                case _lev_ctrl_CC113_EXT:
2422                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2423                    decodedcontroller.controller_number = 113;
2424                    break;
2425                case _lev_ctrl_CC114_EXT:
2426                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2427                    decodedcontroller.controller_number = 114;
2428                    break;
2429                case _lev_ctrl_CC115_EXT:
2430                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2431                    decodedcontroller.controller_number = 115;
2432                    break;
2433                case _lev_ctrl_CC116_EXT:
2434                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2435                    decodedcontroller.controller_number = 116;
2436                    break;
2437                case _lev_ctrl_CC117_EXT:
2438                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2439                    decodedcontroller.controller_number = 117;
2440                    break;
2441                case _lev_ctrl_CC118_EXT:
2442                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2443                    decodedcontroller.controller_number = 118;
2444                    break;
2445                case _lev_ctrl_CC119_EXT:
2446                    decodedcontroller.type = leverage_ctrl_t::type_controlchange;
2447                    decodedcontroller.controller_number = 119;
2448                    break;
2449    
2450              // unknown controller type              // unknown controller type
2451              default:              default:
2452                  throw gig::Exception("Unknown leverage controller type.");                  throw gig::Exception("Unknown leverage controller type.");
2453          }          }
2454          return decodedcontroller;          return decodedcontroller;
2455      }      }
2456        
2457    // see above (diagnostic push not supported prior GCC 4.6)
2458    //#pragma GCC diagnostic pop
2459    
2460      DimensionRegion::_lev_ctrl_t DimensionRegion::EncodeLeverageController(leverage_ctrl_t DecodedController) {      DimensionRegion::_lev_ctrl_t DimensionRegion::EncodeLeverageController(leverage_ctrl_t DecodedController) {
2461          _lev_ctrl_t encodedcontroller;          _lev_ctrl_t encodedcontroller;
# Line 2283  namespace { Line 2543  namespace {
2543                      case 95:                      case 95:
2544                          encodedcontroller = _lev_ctrl_effect5depth;                          encodedcontroller = _lev_ctrl_effect5depth;
2545                          break;                          break;
2546    
2547                        // format extension (these controllers are so far only
2548                        // supported by LinuxSampler & gigedit) they will *NOT*
2549                        // work with Gigasampler/GigaStudio !
2550                        case 3:
2551                            encodedcontroller = _lev_ctrl_CC3_EXT;
2552                            break;
2553                        case 6:
2554                            encodedcontroller = _lev_ctrl_CC6_EXT;
2555                            break;
2556                        case 7:
2557                            encodedcontroller = _lev_ctrl_CC7_EXT;
2558                            break;
2559                        case 8:
2560                            encodedcontroller = _lev_ctrl_CC8_EXT;
2561                            break;
2562                        case 9:
2563                            encodedcontroller = _lev_ctrl_CC9_EXT;
2564                            break;
2565                        case 10:
2566                            encodedcontroller = _lev_ctrl_CC10_EXT;
2567                            break;
2568                        case 11:
2569                            encodedcontroller = _lev_ctrl_CC11_EXT;
2570                            break;
2571                        case 14:
2572                            encodedcontroller = _lev_ctrl_CC14_EXT;
2573                            break;
2574                        case 15:
2575                            encodedcontroller = _lev_ctrl_CC15_EXT;
2576                            break;
2577                        case 20:
2578                            encodedcontroller = _lev_ctrl_CC20_EXT;
2579                            break;
2580                        case 21:
2581                            encodedcontroller = _lev_ctrl_CC21_EXT;
2582                            break;
2583                        case 22:
2584                            encodedcontroller = _lev_ctrl_CC22_EXT;
2585                            break;
2586                        case 23:
2587                            encodedcontroller = _lev_ctrl_CC23_EXT;
2588                            break;
2589                        case 24:
2590                            encodedcontroller = _lev_ctrl_CC24_EXT;
2591                            break;
2592                        case 25:
2593                            encodedcontroller = _lev_ctrl_CC25_EXT;
2594                            break;
2595                        case 26:
2596                            encodedcontroller = _lev_ctrl_CC26_EXT;
2597                            break;
2598                        case 27:
2599                            encodedcontroller = _lev_ctrl_CC27_EXT;
2600                            break;
2601                        case 28:
2602                            encodedcontroller = _lev_ctrl_CC28_EXT;
2603                            break;
2604                        case 29:
2605                            encodedcontroller = _lev_ctrl_CC29_EXT;
2606                            break;
2607                        case 30:
2608                            encodedcontroller = _lev_ctrl_CC30_EXT;
2609                            break;
2610                        case 31:
2611                            encodedcontroller = _lev_ctrl_CC31_EXT;
2612                            break;
2613                        case 68:
2614                            encodedcontroller = _lev_ctrl_CC68_EXT;
2615                            break;
2616                        case 69:
2617                            encodedcontroller = _lev_ctrl_CC69_EXT;
2618                            break;
2619                        case 70:
2620                            encodedcontroller = _lev_ctrl_CC70_EXT;
2621                            break;
2622                        case 71:
2623                            encodedcontroller = _lev_ctrl_CC71_EXT;
2624                            break;
2625                        case 72:
2626                            encodedcontroller = _lev_ctrl_CC72_EXT;
2627                            break;
2628                        case 73:
2629                            encodedcontroller = _lev_ctrl_CC73_EXT;
2630                            break;
2631                        case 74:
2632                            encodedcontroller = _lev_ctrl_CC74_EXT;
2633                            break;
2634                        case 75:
2635                            encodedcontroller = _lev_ctrl_CC75_EXT;
2636                            break;
2637                        case 76:
2638                            encodedcontroller = _lev_ctrl_CC76_EXT;
2639                            break;
2640                        case 77:
2641                            encodedcontroller = _lev_ctrl_CC77_EXT;
2642                            break;
2643                        case 78:
2644                            encodedcontroller = _lev_ctrl_CC78_EXT;
2645                            break;
2646                        case 79:
2647                            encodedcontroller = _lev_ctrl_CC79_EXT;
2648                            break;
2649                        case 84:
2650                            encodedcontroller = _lev_ctrl_CC84_EXT;
2651                            break;
2652                        case 85:
2653                            encodedcontroller = _lev_ctrl_CC85_EXT;
2654                            break;
2655                        case 86:
2656                            encodedcontroller = _lev_ctrl_CC86_EXT;
2657                            break;
2658                        case 87:
2659                            encodedcontroller = _lev_ctrl_CC87_EXT;
2660                            break;
2661                        case 89:
2662                            encodedcontroller = _lev_ctrl_CC89_EXT;
2663                            break;
2664                        case 90:
2665                            encodedcontroller = _lev_ctrl_CC90_EXT;
2666                            break;
2667                        case 96:
2668                            encodedcontroller = _lev_ctrl_CC96_EXT;
2669                            break;
2670                        case 97:
2671                            encodedcontroller = _lev_ctrl_CC97_EXT;
2672                            break;
2673                        case 102:
2674                            encodedcontroller = _lev_ctrl_CC102_EXT;
2675                            break;
2676                        case 103:
2677                            encodedcontroller = _lev_ctrl_CC103_EXT;
2678                            break;
2679                        case 104:
2680                            encodedcontroller = _lev_ctrl_CC104_EXT;
2681                            break;
2682                        case 105:
2683                            encodedcontroller = _lev_ctrl_CC105_EXT;
2684                            break;
2685                        case 106:
2686                            encodedcontroller = _lev_ctrl_CC106_EXT;
2687                            break;
2688                        case 107:
2689                            encodedcontroller = _lev_ctrl_CC107_EXT;
2690                            break;
2691                        case 108:
2692                            encodedcontroller = _lev_ctrl_CC108_EXT;
2693                            break;
2694                        case 109:
2695                            encodedcontroller = _lev_ctrl_CC109_EXT;
2696                            break;
2697                        case 110:
2698                            encodedcontroller = _lev_ctrl_CC110_EXT;
2699                            break;
2700                        case 111:
2701                            encodedcontroller = _lev_ctrl_CC111_EXT;
2702                            break;
2703                        case 112:
2704                            encodedcontroller = _lev_ctrl_CC112_EXT;
2705                            break;
2706                        case 113:
2707                            encodedcontroller = _lev_ctrl_CC113_EXT;
2708                            break;
2709                        case 114:
2710                            encodedcontroller = _lev_ctrl_CC114_EXT;
2711                            break;
2712                        case 115:
2713                            encodedcontroller = _lev_ctrl_CC115_EXT;
2714                            break;
2715                        case 116:
2716                            encodedcontroller = _lev_ctrl_CC116_EXT;
2717                            break;
2718                        case 117:
2719                            encodedcontroller = _lev_ctrl_CC117_EXT;
2720                            break;
2721                        case 118:
2722                            encodedcontroller = _lev_ctrl_CC118_EXT;
2723                            break;
2724                        case 119:
2725                            encodedcontroller = _lev_ctrl_CC119_EXT;
2726                            break;
2727    
2728                      default:                      default:
2729                          throw gig::Exception("leverage controller number is not supported by the gig format");                          throw gig::Exception("leverage controller number is not supported by the gig format");
2730                  }                  }
# Line 2760  namespace { Line 3202  namespace {
3202       *                        dimension bits limit is violated       *                        dimension bits limit is violated
3203       */       */
3204      void Region::AddDimension(dimension_def_t* pDimDef) {      void Region::AddDimension(dimension_def_t* pDimDef) {
3205            // some initial sanity checks of the given dimension definition
3206            if (pDimDef->zones < 2)
3207                throw gig::Exception("Could not add new dimension, amount of requested zones must always be at least two");
3208            if (pDimDef->bits < 1)
3209                throw gig::Exception("Could not add new dimension, amount of requested requested zone bits must always be at least one");
3210            if (pDimDef->dimension == dimension_samplechannel) {
3211                if (pDimDef->zones != 2)
3212                    throw gig::Exception("Could not add new 'sample channel' dimensions, the requested amount of zones must always be 2 for this dimension type");
3213                if (pDimDef->bits != 1)
3214                    throw gig::Exception("Could not add new 'sample channel' dimensions, the requested amount of zone bits must always be 1 for this dimension type");
3215            }
3216    
3217          // check if max. amount of dimensions reached          // check if max. amount of dimensions reached
3218          File* file = (File*) GetParent()->GetParent();          File* file = (File*) GetParent()->GetParent();
3219          const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5;          const int iMaxDimensions = (file->pVersion && file->pVersion->major == 3) ? 8 : 5;
# Line 2935  namespace { Line 3389  namespace {
3389          if (pDimDef->dimension == dimension_layer) Layers = 1;          if (pDimDef->dimension == dimension_layer) Layers = 1;
3390      }      }
3391    
3392        /** @brief Delete one split zone of a dimension (decrement zone amount).
3393         *
3394         * Instead of deleting an entire dimensions, this method will only delete
3395         * one particular split zone given by @a zone of the Region's dimension
3396         * given by @a type. So this method will simply decrement the amount of
3397         * zones by one of the dimension in question. To be able to do that, the
3398         * respective dimension must exist on this Region and it must have at least
3399         * 3 zones. All DimensionRegion objects associated with the zone will be
3400         * deleted.
3401         *
3402         * @param type - identifies the dimension where a zone shall be deleted
3403         * @param zone - index of the dimension split zone that shall be deleted
3404         * @throws gig::Exception if requested zone could not be deleted
3405         */
3406        void Region::DeleteDimensionZone(dimension_t type, int zone) {
3407            dimension_def_t* oldDef = GetDimensionDefinition(type);
3408            if (!oldDef)
3409                throw gig::Exception("Could not delete dimension zone, no such dimension of given type");
3410            if (oldDef->zones <= 2)
3411                throw gig::Exception("Could not delete dimension zone, because it would end up with only one zone.");
3412            if (zone < 0 || zone >= oldDef->zones)
3413                throw gig::Exception("Could not delete dimension zone, requested zone index out of bounds.");
3414    
3415            const int newZoneSize = oldDef->zones - 1;
3416    
3417            // create a temporary Region which just acts as a temporary copy
3418            // container and will be deleted at the end of this function and will
3419            // also not be visible through the API during this process
3420            gig::Region* tempRgn = NULL;
3421            {
3422                // adding these temporary chunks is probably not even necessary
3423                Instrument* instr = static_cast<Instrument*>(GetParent());
3424                RIFF::List* pCkInstrument = instr->pCkInstrument;
3425                RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
3426                if (!lrgn)  lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN);
3427                RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN);
3428                tempRgn = new Region(instr, rgn);
3429            }
3430    
3431            // copy this region's dimensions (with already the dimension split size
3432            // requested by the arguments of this method call) to the temporary
3433            // region, and don't use Region::CopyAssign() here for this task, since
3434            // it would also alter fast lookup helper variables here and there
3435            dimension_def_t newDef;
3436            for (int i = 0; i < Dimensions; ++i) {
3437                dimension_def_t def = pDimensionDefinitions[i]; // copy, don't reference
3438                // is this the dimension requested by the method arguments? ...
3439                if (def.dimension == type) { // ... if yes, decrement zone amount by one
3440                    def.zones = newZoneSize;
3441                    if ((1 << (def.bits - 1)) == def.zones) def.bits--;
3442                    newDef = def;
3443                }
3444                tempRgn->AddDimension(&def);
3445            }
3446    
3447            // find the dimension index in the tempRegion which is the dimension
3448            // type passed to this method (paranoidly expecting different order)
3449            int tempReducedDimensionIndex = -1;
3450            for (int d = 0; d < tempRgn->Dimensions; ++d) {
3451                if (tempRgn->pDimensionDefinitions[d].dimension == type) {
3452                    tempReducedDimensionIndex = d;
3453                    break;
3454                }
3455            }
3456    
3457            // copy dimension regions from this region to the temporary region
3458            for (int iDst = 0; iDst < 256; ++iDst) {
3459                DimensionRegion* dstDimRgn = tempRgn->pDimensionRegions[iDst];
3460                if (!dstDimRgn) continue;
3461                std::map<dimension_t,int> dimCase;
3462                bool isValidZone = true;
3463                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3464                    const int dstBits = tempRgn->pDimensionDefinitions[d].bits;
3465                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3466                        (iDst >> baseBits) & ((1 << dstBits) - 1);
3467                    baseBits += dstBits;
3468                    // there are also DimensionRegion objects of unused zones, skip them
3469                    if (dimCase[tempRgn->pDimensionDefinitions[d].dimension] >= tempRgn->pDimensionDefinitions[d].zones) {
3470                        isValidZone = false;
3471                        break;
3472                    }
3473                }
3474                if (!isValidZone) continue;
3475                // a bit paranoid: cope with the chance that the dimensions would
3476                // have different order in source and destination regions
3477                const bool isLastZone = (dimCase[type] == newZoneSize - 1);
3478                if (dimCase[type] >= zone) dimCase[type]++;
3479                DimensionRegion* srcDimRgn = GetDimensionRegionByBit(dimCase);
3480                dstDimRgn->CopyAssign(srcDimRgn);
3481                // if this is the upper most zone of the dimension passed to this
3482                // method, then correct (raise) its upper limit to 127
3483                if (newDef.split_type == split_type_normal && isLastZone)
3484                    dstDimRgn->DimensionUpperLimits[tempReducedDimensionIndex] = 127;
3485            }
3486    
3487            // now tempRegion's dimensions and DimensionRegions basically reflect
3488            // what we wanted to get for this actual Region here, so we now just
3489            // delete and recreate the dimension in question with the new amount
3490            // zones and then copy back from tempRegion      
3491            DeleteDimension(oldDef);
3492            AddDimension(&newDef);
3493            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3494                DimensionRegion* srcDimRgn = tempRgn->pDimensionRegions[iSrc];
3495                if (!srcDimRgn) continue;
3496                std::map<dimension_t,int> dimCase;
3497                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3498                    const int srcBits = tempRgn->pDimensionDefinitions[d].bits;
3499                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3500                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3501                    baseBits += srcBits;
3502                }
3503                // a bit paranoid: cope with the chance that the dimensions would
3504                // have different order in source and destination regions
3505                DimensionRegion* dstDimRgn = GetDimensionRegionByBit(dimCase);
3506                if (!dstDimRgn) continue;
3507                dstDimRgn->CopyAssign(srcDimRgn);
3508            }
3509    
3510            // delete temporary region
3511            delete tempRgn;
3512    
3513            UpdateVelocityTable();
3514        }
3515    
3516        /** @brief Divide split zone of a dimension in two (increment zone amount).
3517         *
3518         * This will increment the amount of zones for the dimension (given by
3519         * @a type) by one. It will do so by dividing the zone (given by @a zone)
3520         * in the middle of its zone range in two. So the two zones resulting from
3521         * the zone being splitted, will be an equivalent copy regarding all their
3522         * articulation informations and sample reference. The two zones will only
3523         * differ in their zone's upper limit
3524         * (DimensionRegion::DimensionUpperLimits).
3525         *
3526         * @param type - identifies the dimension where a zone shall be splitted
3527         * @param zone - index of the dimension split zone that shall be splitted
3528         * @throws gig::Exception if requested zone could not be splitted
3529         */
3530        void Region::SplitDimensionZone(dimension_t type, int zone) {
3531            dimension_def_t* oldDef = GetDimensionDefinition(type);
3532            if (!oldDef)
3533                throw gig::Exception("Could not split dimension zone, no such dimension of given type");
3534            if (zone < 0 || zone >= oldDef->zones)
3535                throw gig::Exception("Could not split dimension zone, requested zone index out of bounds.");
3536    
3537            const int newZoneSize = oldDef->zones + 1;
3538    
3539            // create a temporary Region which just acts as a temporary copy
3540            // container and will be deleted at the end of this function and will
3541            // also not be visible through the API during this process
3542            gig::Region* tempRgn = NULL;
3543            {
3544                // adding these temporary chunks is probably not even necessary
3545                Instrument* instr = static_cast<Instrument*>(GetParent());
3546                RIFF::List* pCkInstrument = instr->pCkInstrument;
3547                RIFF::List* lrgn = pCkInstrument->GetSubList(LIST_TYPE_LRGN);
3548                if (!lrgn)  lrgn = pCkInstrument->AddSubList(LIST_TYPE_LRGN);
3549                RIFF::List* rgn = lrgn->AddSubList(LIST_TYPE_RGN);
3550                tempRgn = new Region(instr, rgn);
3551            }
3552    
3553            // copy this region's dimensions (with already the dimension split size
3554            // requested by the arguments of this method call) to the temporary
3555            // region, and don't use Region::CopyAssign() here for this task, since
3556            // it would also alter fast lookup helper variables here and there
3557            dimension_def_t newDef;
3558            for (int i = 0; i < Dimensions; ++i) {
3559                dimension_def_t def = pDimensionDefinitions[i]; // copy, don't reference
3560                // is this the dimension requested by the method arguments? ...
3561                if (def.dimension == type) { // ... if yes, increment zone amount by one
3562                    def.zones = newZoneSize;
3563                    if ((1 << oldDef->bits) < newZoneSize) def.bits++;
3564                    newDef = def;
3565                }
3566                tempRgn->AddDimension(&def);
3567            }
3568    
3569            // find the dimension index in the tempRegion which is the dimension
3570            // type passed to this method (paranoidly expecting different order)
3571            int tempIncreasedDimensionIndex = -1;
3572            for (int d = 0; d < tempRgn->Dimensions; ++d) {
3573                if (tempRgn->pDimensionDefinitions[d].dimension == type) {
3574                    tempIncreasedDimensionIndex = d;
3575                    break;
3576                }
3577            }
3578    
3579            // copy dimension regions from this region to the temporary region
3580            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3581                DimensionRegion* srcDimRgn = pDimensionRegions[iSrc];
3582                if (!srcDimRgn) continue;
3583                std::map<dimension_t,int> dimCase;
3584                bool isValidZone = true;
3585                for (int d = 0, baseBits = 0; d < Dimensions; ++d) {
3586                    const int srcBits = pDimensionDefinitions[d].bits;
3587                    dimCase[pDimensionDefinitions[d].dimension] =
3588                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3589                    // there are also DimensionRegion objects for unused zones, skip them
3590                    if (dimCase[pDimensionDefinitions[d].dimension] >= pDimensionDefinitions[d].zones) {
3591                        isValidZone = false;
3592                        break;
3593                    }
3594                    baseBits += srcBits;
3595                }
3596                if (!isValidZone) continue;
3597                // a bit paranoid: cope with the chance that the dimensions would
3598                // have different order in source and destination regions            
3599                if (dimCase[type] > zone) dimCase[type]++;
3600                DimensionRegion* dstDimRgn = tempRgn->GetDimensionRegionByBit(dimCase);
3601                dstDimRgn->CopyAssign(srcDimRgn);
3602                // if this is the requested zone to be splitted, then also copy
3603                // the source DimensionRegion to the newly created target zone
3604                // and set the old zones upper limit lower
3605                if (dimCase[type] == zone) {
3606                    // lower old zones upper limit
3607                    if (newDef.split_type == split_type_normal) {
3608                        const int high =
3609                            dstDimRgn->DimensionUpperLimits[tempIncreasedDimensionIndex];
3610                        int low = 0;
3611                        if (zone > 0) {
3612                            std::map<dimension_t,int> lowerCase = dimCase;
3613                            lowerCase[type]--;
3614                            DimensionRegion* dstDimRgnLow = tempRgn->GetDimensionRegionByBit(lowerCase);
3615                            low = dstDimRgnLow->DimensionUpperLimits[tempIncreasedDimensionIndex];
3616                        }
3617                        dstDimRgn->DimensionUpperLimits[tempIncreasedDimensionIndex] = low + (high - low) / 2;
3618                    }
3619                    // fill the newly created zone of the divided zone as well
3620                    dimCase[type]++;
3621                    dstDimRgn = tempRgn->GetDimensionRegionByBit(dimCase);
3622                    dstDimRgn->CopyAssign(srcDimRgn);
3623                }
3624            }
3625    
3626            // now tempRegion's dimensions and DimensionRegions basically reflect
3627            // what we wanted to get for this actual Region here, so we now just
3628            // delete and recreate the dimension in question with the new amount
3629            // zones and then copy back from tempRegion      
3630            DeleteDimension(oldDef);
3631            AddDimension(&newDef);
3632            for (int iSrc = 0; iSrc < 256; ++iSrc) {
3633                DimensionRegion* srcDimRgn = tempRgn->pDimensionRegions[iSrc];
3634                if (!srcDimRgn) continue;
3635                std::map<dimension_t,int> dimCase;
3636                for (int d = 0, baseBits = 0; d < tempRgn->Dimensions; ++d) {
3637                    const int srcBits = tempRgn->pDimensionDefinitions[d].bits;
3638                    dimCase[tempRgn->pDimensionDefinitions[d].dimension] =
3639                        (iSrc >> baseBits) & ((1 << srcBits) - 1);
3640                    baseBits += srcBits;
3641                }
3642                // a bit paranoid: cope with the chance that the dimensions would
3643                // have different order in source and destination regions
3644                DimensionRegion* dstDimRgn = GetDimensionRegionByBit(dimCase);
3645                if (!dstDimRgn) continue;
3646                dstDimRgn->CopyAssign(srcDimRgn);
3647            }
3648    
3649            // delete temporary region
3650            delete tempRgn;
3651    
3652            UpdateVelocityTable();
3653        }
3654    
3655        DimensionRegion* Region::GetDimensionRegionByBit(const std::map<dimension_t,int>& DimCase) {
3656            uint8_t bits[8] = {};
3657            for (std::map<dimension_t,int>::const_iterator it = DimCase.begin();
3658                 it != DimCase.end(); ++it)
3659            {
3660                for (int d = 0; d < Dimensions; ++d) {
3661                    if (pDimensionDefinitions[d].dimension == it->first) {
3662                        bits[d] = it->second;
3663                        goto nextDimCaseSlice;
3664                    }
3665                }
3666                assert(false); // do crash ... too harsh maybe ? ignore it instead ?
3667                nextDimCaseSlice:
3668                ; // noop
3669            }
3670            return GetDimensionRegionByBit(bits);
3671        }
3672    
3673        /**
3674         * Searches in the current Region for a dimension of the given dimension
3675         * type and returns the precise configuration of that dimension in this
3676         * Region.
3677         *
3678         * @param type - dimension type of the sought dimension
3679         * @returns dimension definition or NULL if there is no dimension with
3680         *          sought type in this Region.
3681         */
3682        dimension_def_t* Region::GetDimensionDefinition(dimension_t type) {
3683            for (int i = 0; i < Dimensions; ++i)
3684                if (pDimensionDefinitions[i].dimension == type)
3685                    return &pDimensionDefinitions[i];
3686            return NULL;
3687        }
3688    
3689      Region::~Region() {      Region::~Region() {
3690          for (int i = 0; i < 256; i++) {          for (int i = 0; i < 256; i++) {
3691              if (pDimensionRegions[i]) delete pDimensionRegions[i];              if (pDimensionRegions[i]) delete pDimensionRegions[i];
# Line 4220  namespace { Line 4971  namespace {
4971          return NULL;          return NULL;
4972      }      }
4973    
4974        /**
4975         * Returns the group with the given group name.
4976         *
4977         * Note: group names don't have to be unique in the gig format! So there
4978         * can be multiple groups with the same name. This method will simply
4979         * return the first group found with the given name.
4980         *
4981         * @param name - name of the sought group
4982         * @returns sought group or NULL if there's no group with that name
4983         */
4984        Group* File::GetGroup(String name) {
4985            if (!pGroups) LoadGroups();
4986            GroupsIterator = pGroups->begin();
4987            for (uint i = 0; GroupsIterator != pGroups->end(); ++GroupsIterator, ++i)
4988                if ((*GroupsIterator)->Name == name) return *GroupsIterator;
4989            return NULL;
4990        }
4991    
4992      Group* File::AddGroup() {      Group* File::AddGroup() {
4993          if (!pGroups) LoadGroups();          if (!pGroups) LoadGroups();
4994          // there must always be at least one group          // there must always be at least one group
Legend:
Removed from v.2482  
changed lines
  Added in v.2557
  ViewVC Help
Powered by ViewVC