/[svn]/libgig/trunk/src/DLS.cpp
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Diff of /libgig/trunk/src/DLS.cpp

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revision 1179 by persson, Sat May 12 11:25:04 2007 UTC revision 1266 by persson, Thu Aug 2 14:12:55 2007 UTC
# Line 25  Line 25 
25    
26  #include <time.h>  #include <time.h>
27    
28    #ifdef __APPLE__
29    #include <CoreFoundation/CFUUID.h>
30    #elif defined(HAVE_UUID_UUID_H)
31    #include <uuid/uuid.h>
32    #endif
33    
34  #include "helper.h"  #include "helper.h"
35    
36  // macros to decode connection transforms  // macros to decode connection transforms
# Line 233  namespace DLS { Line 239  namespace DLS {
239       * @param list - pointer to a list chunk which contains an INFO list chunk       * @param list - pointer to a list chunk which contains an INFO list chunk
240       */       */
241      Info::Info(RIFF::List* list) {      Info::Info(RIFF::List* list) {
242          UseFixedLengthStrings = false;          FixedStringLengths = NULL;
243          pResourceListChunk = list;          pResourceListChunk = list;
244          if (list) {          if (list) {
245              RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO);              RIFF::List* lstINFO = list->GetSubList(LIST_TYPE_INFO);
# Line 286  namespace DLS { Line 292  namespace DLS {
292       * @param lstINFO  - parent (INFO) RIFF list chunk       * @param lstINFO  - parent (INFO) RIFF list chunk
293       * @param s        - current value of info field       * @param s        - current value of info field
294       * @param sDefault - default value       * @param sDefault - default value
      * @param bUseFixedLengthStrings - should a specific string size be forced in the chunk?  
      * @param size     - wanted size of the INFO chunk. This is ignored if bUseFixedLengthStrings is false.  
295       */       */
296      void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault, bool bUseFixedLengthStrings, int size) {      void Info::SaveString(uint32_t ChunkID, RIFF::List* lstINFO, const String& s, const String& sDefault) {
297            int size = 0;
298            if (FixedStringLengths) {
299                for (int i = 0 ; FixedStringLengths[i].length ; i++) {
300                    if (FixedStringLengths[i].chunkId == ChunkID) {
301                        size = FixedStringLengths[i].length;
302                        break;
303                    }
304                }
305            }
306          RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID);          RIFF::Chunk* ck = lstINFO->GetSubChunk(ChunkID);
307          ::SaveString(ChunkID, ck, lstINFO, s, sDefault, bUseFixedLengthStrings, size); // function from helper.h          ::SaveString(ChunkID, ck, lstINFO, s, sDefault, size != 0, size); // function from helper.h
308      }      }
309    
310      /** @brief Update chunks with current info values.      /** @brief Update chunks with current info values.
# Line 336  namespace DLS { Line 349  namespace DLS {
349    
350          // save values          // save values
351    
352          // (the string size values are for gig files; they are only          SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""));
353          // used if UseFixedLengthStrings is set to true)          SaveString(CHUNK_ID_IART, lstINFO, Artists, String(""));
354          SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName, UseFixedLengthStrings,          SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String(""));
355                     resourceType == RIFF_TYPE_DLS ? 128 : 64);          SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments);
356          SaveString(CHUNK_ID_IARL, lstINFO, ArchivalLocation, String(""), UseFixedLengthStrings, 256);          SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String(""));
357          SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate, UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_ICRD, lstINFO, CreationDate, defaultCreationDate);
358          SaveString(CHUNK_ID_ICMT, lstINFO, Comments, defaultComments, UseFixedLengthStrings, 1024);          SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String(""));
359          SaveString(CHUNK_ID_IPRD, lstINFO, Product, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String(""));
360          SaveString(CHUNK_ID_ICOP, lstINFO, Copyright, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String(""));
361          SaveString(CHUNK_ID_IART, lstINFO, Artists, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""));
362          SaveString(CHUNK_ID_IGNR, lstINFO, Genre, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_INAM, lstINFO, Name, defaultName);
363          SaveString(CHUNK_ID_IKEY, lstINFO, Keywords, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_IPRD, lstINFO, Product, String(""));
364          SaveString(CHUNK_ID_IENG, lstINFO, Engineer, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""));
365          SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String(""), UseFixedLengthStrings, 128);          SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware);
366          SaveString(CHUNK_ID_ISFT, lstINFO, Software, defaultSoftware, UseFixedLengthStrings,          SaveString(CHUNK_ID_ISRC, lstINFO, Source, String(""));
367                     resourceType == LIST_TYPE_INS ?          SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String(""));
368                     (Software == "" ? defaultSoftware.length()+1 : Software.length()+1) : 128);          SaveString(CHUNK_ID_ITCH, lstINFO, Technician, String(""));
         SaveString(CHUNK_ID_IMED, lstINFO, Medium, String(""), UseFixedLengthStrings, 128);  
         SaveString(CHUNK_ID_ISRC, lstINFO, Source, String(""), UseFixedLengthStrings, 128);  
         SaveString(CHUNK_ID_ISRF, lstINFO, SourceForm, String(""), UseFixedLengthStrings, 128);  
         SaveString(CHUNK_ID_ICMS, lstINFO, Commissioned, String(""), UseFixedLengthStrings, 128);  
         SaveString(CHUNK_ID_ISBJ, lstINFO, Subject, String(""), UseFixedLengthStrings, 128);  
369      }      }
370    
371    
# Line 406  namespace DLS { Line 414  namespace DLS {
414       */       */
415      void Resource::UpdateChunks() {      void Resource::UpdateChunks() {
416          pInfo->UpdateChunks();          pInfo->UpdateChunks();
417          //TODO: save DLSID  
418            if (pDLSID) {
419                // make sure 'dlid' chunk exists
420                RIFF::Chunk* ckDLSID = pResourceList->GetSubChunk(CHUNK_ID_DLID);
421                if (!ckDLSID) ckDLSID = pResourceList->AddSubChunk(CHUNK_ID_DLID, 16);
422                uint8_t* pData = (uint8_t*)ckDLSID->LoadChunkData();
423                // update 'dlid' chunk
424                store32(&pData[0], pDLSID->ulData1);
425                store16(&pData[4], pDLSID->usData2);
426                store16(&pData[6], pDLSID->usData3);
427                memcpy(&pData[8], pDLSID->abData, 8);
428            }
429      }      }
430    
431        /**
432         * Generates a new DLSID for the resource.
433         */
434        void Resource::GenerateDLSID() {
435    #if defined(WIN32) || defined(__APPLE__) || defined(HAVE_UUID_GENERATE)
436    
437            if (!pDLSID) pDLSID = new dlsid_t;
438    
439    #ifdef WIN32
440    
441            UUID uuid;
442            UuidCreate(&uuid);
443            pDLSID->ulData1 = uuid.Data1;
444            pDLSID->usData1 = uuid.Data2;
445            pDLSID->usData2 = uuid.Data3;
446            memcpy(pDLSID->abData, uuid.Data4, 8);
447    
448    #elif defined(__APPLE__)
449    
450            CFUUIDRef uuidRef = CFUUIDCreate(NULL);
451            CFUUIDBytes uuid = CFUUIDGetUUIDBytes(uuidRef);
452            CFRelease(uuidRef);
453            pDLSID->ulData1 = uuid.byte0 | uuid.byte1 << 8 | uuid.byte2 << 16 | uuid.byte3 << 24;
454            pDLSID->usData2 = uuid.byte4 | uuid.byte5 << 8;
455            pDLSID->usData3 = uuid.byte6 | uuid.byte7 << 8;
456            pDLSID->abData[0] = uuid.byte8;
457            pDLSID->abData[1] = uuid.byte9;
458            pDLSID->abData[2] = uuid.byte10;
459            pDLSID->abData[3] = uuid.byte11;
460            pDLSID->abData[4] = uuid.byte12;
461            pDLSID->abData[5] = uuid.byte13;
462            pDLSID->abData[6] = uuid.byte14;
463            pDLSID->abData[7] = uuid.byte15;
464    #else
465            uuid_t uuid;
466            uuid_generate(uuid);
467            pDLSID->ulData1 = uuid[0] | uuid[1] << 8 | uuid[2] << 16 | uuid[3] << 24;
468            pDLSID->usData2 = uuid[4] | uuid[5] << 8;
469            pDLSID->usData3 = uuid[6] | uuid[7] << 8;
470            memcpy(pDLSID->abData, &uuid[8], 8);
471    #endif
472    #endif
473        }
474    
475    
476  // *************** Sampler ***************  // *************** Sampler ***************
# Line 426  namespace DLS { Line 488  namespace DLS {
488              SampleLoops    = wsmp->ReadUint32();              SampleLoops    = wsmp->ReadUint32();
489          } else { // 'wsmp' chunk missing          } else { // 'wsmp' chunk missing
490              uiHeaderSize   = 0;              uiHeaderSize   = 0;
491              UnityNote      = 64;              UnityNote      = 60;
492              FineTune       = 0; // +- 0 cents              FineTune       = 0; // +- 0 cents
493              Gain           = 0; // 0 dB              Gain           = 0; // 0 dB
494              SamplerOptions = F_WSMP_NO_COMPRESSION;              SamplerOptions = F_WSMP_NO_COMPRESSION;
# Line 487  namespace DLS { Line 549  namespace DLS {
549      /**      /**
550       * Adds a new sample loop with the provided loop definition.       * Adds a new sample loop with the provided loop definition.
551       *       *
552       * @param - points to a loop definition that is to be copied       * @param pLoopDef - points to a loop definition that is to be copied
553       */       */
554      void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) {      void Sampler::AddSampleLoop(sample_loop_t* pLoopDef) {
555          sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1];          sample_loop_t* pNewLoops = new sample_loop_t[SampleLoops + 1];
# Line 901  namespace DLS { Line 963  namespace DLS {
963                  }                  }
964              }              }
965          }          }
         if (index < 0) throw Exception("Could not save Region, could not find Region's sample");  
966          WavePoolTableIndex = index;          WavePoolTableIndex = index;
967          // update 'wlnk' chunk          // update 'wlnk' chunk
968          store16(&pData[0], WaveLinkOptionFlags);          store16(&pData[0], WaveLinkOptionFlags);
# Line 1073  namespace DLS { Line 1134  namespace DLS {
1134       * a DLS file.       * a DLS file.
1135       */       */
1136      File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) {      File::File() : Resource(NULL, pRIFF = new RIFF::File(RIFF_TYPE_DLS)) {
1137            pRIFF->SetByteOrder(RIFF::endian_little);
1138          pVersion = new version_t;          pVersion = new version_t;
1139          pVersion->major   = 0;          pVersion->major   = 0;
1140          pVersion->minor   = 0;          pVersion->minor   = 0;
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