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Code Issues Releases Wiki Activity

Fix infinite loop of error messages trying to draw corrupt project...

Browse Source 
... As reported by Steve.

Don't throw exceptions when trying only to display a track and the samples
can't be found in the database.
This commit is contained in:
Paul Licameli
2020-08-26 21:39:57 -04:00
parent 2389b191f6
commit 70175acaf4
2 changed files with 13 additions and 2 deletions
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2
src/SampleBlock.h
View File

@@ -58,8 +58,10 @@ public:
virtual size_t GetSampleCount() const = 0;
//! Non-throwing, should fill with zeroes on failure
virtual bool
GetSummary256(float *dest, size_t frameoffset, size_t numframes) = 0;
//! Non-throwing, should fill with zeroes on failure
virtual bool
GetSummary64k(float *dest, size_t frameoffset, size_t numframes) = 0;

13
src/SqliteSampleBlock.cpp
View File

@@ -385,12 +385,21 @@ bool SqliteSampleBlock::GetSummary(float *dest,
sqlite3_stmt *stmt,
size_t srcbytes)
{
return GetBlob(dest,
// Non-throwing, it returns true for success
try {
// Note GetBlob returns a size_t, not a bool
GetBlob(dest,
floatSample,
stmt,
floatSample,
frameoffset * 3 * SAMPLE_SIZE(floatSample),
numframes * 3 * SAMPLE_SIZE(floatSample)) / 3 / SAMPLE_SIZE(floatSample);
numframes * 3 * SAMPLE_SIZE(floatSample));
return true;
}
catch ( const AudacityException & ) {
memset(dest, 0, 3 * numframes * sizeof( float ));
return false;
}
}
double SqliteSampleBlock::GetSumMin() const