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BlockFile::ReadData overrides: on failure, pad with 0s or throw...

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... as the mayThrow argument directs.
This commit is contained in:
Paul Licameli
2016-12-25 08:42:44 -05:00
parent 70d9e4bdc7
commit 98d1468a01
14 changed files with 113 additions and 84 deletions
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12
src/blockfile/ODDecodeBlockFile.cpp
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@@ -438,20 +438,22 @@ void *ODDecodeBlockFile::CalcSummary(samplePtr buffer, size_t len,
/// @param start The offset within the block to begin reading
/// @param len The number of samples to read
size_t ODDecodeBlockFile::ReadData(samplePtr data, sampleFormat format,
size_t start, size_t len) const
size_t start, size_t len, bool mayThrow) const
{
size_t ret;
auto locker = LockForRead();
if(IsSummaryAvailable())
ret = SimpleBlockFile::ReadData(data,format,start,len);
return SimpleBlockFile::ReadData(data, format, start, len, mayThrow);
else
{
if (mayThrow)
//throw NotYetAvailableException{ mFileName }
;
//we should do an ODRequest to start processing the data here, and wait till it finishes. and just do a SimpleBlockFile
//ReadData.
ClearSamples(data, format, 0, len);
ret = len;
return 0;
}
return ret;
}
/// Read the summary of this alias block from disk. Since the audio data