SilentBlockFile Class Reference
#include <SilentBlockFile.h>
Inheritance diagram for SilentBlockFile:
Detailed Description
A BlockFile containing nothing but silence. Saves disk space.Definition at line 21 of file SilentBlockFile.h.
Public Member Functions | |
| virtual BlockFile * | Copy (wxFileName newFileName) |
| Create a new block file identical to this one. | |
| virtual void | FillCache () |
| virtual wxFileName | GetFileName () |
| Gets the filename of the disk file associated with this BlockFile. | |
| virtual sampleCount | GetLength () |
| virtual void | GetMinMax (float *outMin, float *outMax, float *outRMS) |
| Gets extreme values for the entire block. | |
| virtual void | GetMinMax (sampleCount start, sampleCount len, float *outMin, float *outMax, float *outRMS) |
| Gets extreme values for the specified region. | |
| virtual bool | GetNeedFillCache () |
| virtual bool | GetNeedWriteCacheToDisk () |
| virtual wxLongLong | GetSpaceUsage () |
| virtual bool | IsAlias () |
| Returns TRUE if this block references another disk file. | |
| virtual bool | IsLocked () |
| Returns TRUE if this BlockFile is locked. | |
| virtual void | Lock () |
| Locks this BlockFile, to prevent it from being moved. | |
| virtual bool | Read256 (float *buffer, sampleCount start, sampleCount len) |
| Returns the 256 byte summary data block. | |
| virtual bool | Read64K (float *buffer, sampleCount start, sampleCount len) |
| Returns the 64K summary data block. | |
| virtual int | ReadData (samplePtr data, sampleFormat format, sampleCount start, sampleCount len) |
| Read the data section of the disk file. | |
| virtual bool | ReadSummary (void *data) |
| Read the summary section of the disk file. | |
| virtual void | Recover () |
| if the on-disk state disappeared, either recover it (if it was | |
| virtual void | SaveXML (XMLWriter &xmlFile) |
| Write an XML representation of this file. | |
| void | SilenceLog () |
| if we've detected an on-disk problem, the user opted to | |
| SilentBlockFile (sampleCount sampleLen) | |
| virtual void | Unlock () |
| Unlock this BlockFile, allowing it to be moved. | |
| virtual void | WriteCacheToDisk () |
Static Public Member Functions | |
| static BlockFile * | BuildFromXML (DirManager &dm, const wxChar **attrs) |
| static | |
Protected Member Functions | |
| virtual void * | CalcSummary (samplePtr buffer, sampleCount len, sampleFormat format) |
| Calculate summary data for the given sample data. | |
| virtual void | FixSummary (void *data) |
Protected Attributes | |
| wxFileName | mFileName |
| sampleCount | mLen |
| float | mMax |
| float | mMin |
| float | mRMS |
| bool | mSilentLog |
| SummaryInfo | mSummaryInfo |
The documentation for this class was generated from the following files:
- audacity-src-1.3.3-beta/src/blockfile/SilentBlockFile.h
- audacity-src-1.3.3-beta/src/blockfile/SilentBlockFile.cpp