spInputPlugin.h

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#ifndef __SPINPUTPLUGIN_H
#define __SPINPUTPLUGIN_H
 
#include <sp/spOutputPlugin.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SP_PLUGIN_INPUT "input 1.3"
 
typedef struct _spInputPluginRec spInputPluginRec;
 
#if defined(MACOS)
#pragma import on
#endif
 
extern spBool spIsInputPlugin(spPlugin *plugin);
extern long spReadPlugin(spPlugin *plugin, void *data, long length);
extern long spReadPluginInByte(spPlugin *plugin, void *data, long data_size);
extern long spReadPluginDoubleWeighted(spPlugin *plugin, double *data, long length, double weight);
extern long spReadPluginDouble(spPlugin *plugin, double *data, long length);
    
/*
 * previous frame  |-------| prev_length
 * current frame        |--------| length
 *                 |----| shift_length
 * updated data            |-----|
 *
 * if prev_length < 0, put zeros.
 */
extern long spReadPluginShift(spPlugin *plugin, long prev_length, long shift_length, void *data, long length);
extern long spReadPluginShiftDoubleWeighted(spPlugin *plugin, long prev_length, long shift_length,
                                            double *data, long length, double weight);
extern long spReadPluginShiftDouble(spPlugin *plugin, long prev_length, long shift_length,
                                    double *data, long length);
 
extern spBool spSeekPlugin(spPlugin *plugin, spLong pos);
 
extern spLong spGetPluginTotalLength(spPlugin *plugin);
 
#if defined(MACOS)
#pragma import off
#endif
 
#ifdef __cplusplus
}  /* Close scope of 'extern "C"' declaration */
#endif
 
#endif /* __SPINPUTPLUGIN_H */