/[svn]/linuxsampler/trunk/src/network/lscpserver.cpp
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Diff of /linuxsampler/trunk/src/network/lscpserver.cpp

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revision 1481 by senoner, Wed Nov 14 23:42:15 2007 UTC revision 1525 by schoenebeck, Sun Nov 25 17:47:46 2007 UTC
# Line 2383  String LSCPServer::SetGlobalVolume(doubl Line 2383  String LSCPServer::SetGlobalVolume(doubl
2383      return result.Produce();      return result.Produce();
2384  }  }
2385    
2386    String LSCPServer::GetFileInstruments(String Filename) {
2387        LSCPResultSet result;
2388        // try to find a sampler engine that can handle the file
2389        bool bFound = false;
2390        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2391        for (int i = 0; !bFound && i < engineTypes.size(); i++) {
2392            Engine* pEngine = NULL;
2393            try {
2394                pEngine = EngineFactory::Create(engineTypes[i]);
2395                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2396                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2397                if (pManager) {
2398                    std::vector<InstrumentManager::instrument_id_t> IDs =
2399                        pManager->GetInstrumentFileContent(Filename);
2400                    // return the amount of instruments in the file
2401                    result.Add(IDs.size());
2402                    // no more need to ask other engine types
2403                    bFound = true;
2404                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2405            } catch (Exception e) {
2406                // NOOP, as exception is thrown if engine doesn't support file
2407            }
2408            if (pEngine) EngineFactory::Destroy(pEngine);
2409        }
2410        return result.Produce();
2411    }
2412    
2413    String LSCPServer::ListFileInstruments(String Filename) {
2414        LSCPResultSet result;
2415        // try to find a sampler engine that can handle the file
2416        bool bFound = false;
2417        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2418        for (int i = 0; !bFound && i < engineTypes.size(); i++) {
2419            Engine* pEngine = NULL;
2420            try {
2421                pEngine = EngineFactory::Create(engineTypes[i]);
2422                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2423                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2424                if (pManager) {
2425                    std::vector<InstrumentManager::instrument_id_t> IDs =
2426                        pManager->GetInstrumentFileContent(Filename);
2427                    // return a list of IDs of the instruments in the file
2428                    String s;
2429                    for (int j = 0; j < IDs.size(); j++) {
2430                        if (s.size()) s += ",";
2431                        s += ToString(IDs[j].Index);
2432                    }
2433                    result.Add(s);
2434                    // no more need to ask other engine types
2435                    bFound = true;
2436                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2437            } catch (Exception e) {
2438                // NOOP, as exception is thrown if engine doesn't support file
2439            }
2440            if (pEngine) EngineFactory::Destroy(pEngine);
2441        }
2442        return result.Produce();
2443    }
2444    
2445    String LSCPServer::GetFileInstrumentInfo(String Filename, uint InstrumentID) {
2446        LSCPResultSet result;
2447        InstrumentManager::instrument_id_t id;
2448        id.FileName = Filename;
2449        id.Index    = InstrumentID;
2450        // try to find a sampler engine that can handle the file
2451        bool bFound = false;
2452        std::vector<String> engineTypes = EngineFactory::AvailableEngineTypes();
2453        for (int i = 0; !bFound && i < engineTypes.size(); i++) {
2454            Engine* pEngine = NULL;
2455            try {
2456                pEngine = EngineFactory::Create(engineTypes[i]);
2457                if (!pEngine) throw Exception("Internal error: could not create '" + engineTypes[i] + "' engine");
2458                InstrumentManager* pManager = pEngine->GetInstrumentManager();
2459                if (pManager) {
2460                    InstrumentManager::instrument_info_t info =
2461                        pManager->GetInstrumentInfo(id);
2462                    // return detailed informations about the file
2463                    result.Add("NAME", info.InstrumentName);
2464                    result.Add("FORMAT_NAME", engineTypes[i]);
2465                    result.Add("FORMAT_VERSION", info.FormatVersion);
2466                    result.Add("PRODUCT", info.Product);
2467                    result.Add("ARTISTS", info.Artists);
2468                    // no more need to ask other engine types
2469                    bFound = true;
2470                } else dmsg(1,("Warning: engine '%s' does not provide an instrument manager\n", engineTypes[i].c_str()));
2471            } catch (Exception e) {
2472                // NOOP, as exception is thrown if engine doesn't support file
2473            }
2474            if (pEngine) EngineFactory::Destroy(pEngine);
2475        }
2476        return result.Produce();
2477    }
2478    
2479  /**  /**
2480   * Will be called by the parser to subscribe a client (frontend) on the   * Will be called by the parser to subscribe a client (frontend) on the
2481   * server for receiving event messages.   * server for receiving event messages.
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