53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
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#ifndef LUPPP_DISK_READER_H
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#define LUPPP_DISK_READER_H
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#include <string>
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#include "cjson/cJSON.h"
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class AudioBuffer;
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/** DiskReader
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* This class reads a previously saved session from disk, restoring Luppp's
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* internal state to that of when the save took place.
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*
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* The directory <sessionDir> is the main point of loading. The user selects
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* that directory to load the session from. <sessionDir>.luppp is the name of
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* the session file: it contains all info about the session: Volumes, loaded
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* samples etc.
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*
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* Samples are read from the directory <sessionDir>/samples, in which there is a
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* sample.cfg file, which can be parsed to get sample metadata.
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**/
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class DiskReader
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{
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public:
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DiskReader();
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/// loads default settings for Luppp: controller instances etc
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int loadPreferences();
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/// loads a sample into a new AudioBuffer, returning the buffer
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int loadSample( int track, int scene, std::string path );
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/// reads a session from disk, parsing and restoring state
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int readSession( std::string path );
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#ifdef BUILD_TESTS
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int runTests();
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#endif
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private:
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cJSON* sessionJson;
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std::string sessionName;
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std::string sessionPath;
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// convinience functions
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int readTracks();
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int readMaster();
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int readScenes(int t, cJSON* track);
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};
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#endif // LUPPP_DISK_READER_H
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