108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
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#include "diskwriter.hxx"
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#include <sstream>
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#include <fstream>
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#include <iostream>
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#include <cstdlib>
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#include <sys/stat.h>
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#include "worker.hxx"
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using namespace std;
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DiskWriter::DiskWriter()
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{
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};
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void DiskWriter::initialize(std::string path, std::string name )
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{
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sessionPath = path;
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sessionName = name;
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session = cJSON_CreateObject();
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sample = cJSON_CreateObject();
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cJSON* lupppSession = cJSON_CreateObject();
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cJSON_AddItemToObject(session, "lupppSession", lupppSession );
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// add session metadata
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cJSON_AddItemToObject ( session, "session", cJSON_CreateString( sessionName.c_str() ));
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cJSON_AddNumberToObject( session, "version_major", 1 );
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cJSON_AddNumberToObject( session, "version_minor", 0 );
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cJSON_AddNumberToObject( session, "version_patch", 0 );
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cJSON_AddNumberToObject( session, "bpm", 120 );
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}
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void DiskWriter::writeAudioBuffer(int track, int scene, AudioBuffer* ab )
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{
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// get the filename
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stringstream filename;
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filename << "t_" << track << "_s_" << scene << ".wav";
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// add the track / scene / name combo to session JSON node
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cJSON* clip = cJSON_CreateObject();
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cJSON_AddItemToObject(session, "clip", clip );
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cJSON_AddNumberToObject(clip,"track", track);
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cJSON_AddNumberToObject(clip,"scene", scene);
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cJSON_AddStringToObject(clip,"file", filename.str().c_str());
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// add the AudioBuffer metadata to the sample JSON node
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cJSON* sampleClip = cJSON_CreateObject();
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cJSON_AddItemToObject(sample, filename.str().c_str(), sampleClip );
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cJSON_AddNumberToObject(sampleClip,"beats", ab->getBeats() );
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// write the AudioBuffer contents to <path>/samples/ as <name>.wav
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// or alternatively t_<track>_s_<scene>.wav
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stringstream path;
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path << sessionPath << "/" << sessionName << "/samples/" << filename.str();
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Worker::writeSample( path.str(), ab );
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// de allocate the AudioBuffer here!!
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delete ab;
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}
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void DiskWriter::writeSession( std::string path, std::string sessionName )
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{
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// write session.luppp JSON node to <path>/<sessionName>.luppp
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stringstream sessionDir;
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sessionDir << getenv("HOME") << "/" << sessionName;
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int sessionDirError = mkdir( sessionDir.str().c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH );
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if ( sessionDirError )
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{
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// handle by using different filename?
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}
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stringstream sampleDir;
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sampleDir << sessionDir.str() << "/samples";
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int sampleDirError = mkdir( sampleDir.str().c_str(), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH );
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stringstream sessionLuppp;
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sessionLuppp << sessionDir.str() << "/session.luppp";
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//cout << "Session dir: " << sessionDir.str() << "\n" << "Sample dir : " << sampleDir.str() << endl;
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ofstream sessionFile;
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sessionFile.open ( sessionLuppp.str().c_str() );
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sessionFile << cJSON_Print( session );
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sessionFile.close();
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// write the sample JSON node to <path>/samples/sample.cfg
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stringstream sampleConfig;
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sampleConfig << sampleDir.str() << "/sample.cfg";
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ofstream sampleFile;
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sampleFile.open ( sampleConfig.str().c_str() );
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sampleFile << cJSON_Print( sample );
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sampleFile.close();
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}
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