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GetMinMax, GetRMS functions take a mayThrow argument, return numbers

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This commit is contained in:
Paul Licameli
2016-12-25 08:40:15 -05:00
parent dcac8788ff
commit 70d9e4bdc7
17 changed files with 183 additions and 184 deletions
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28
src/BlockFile.cpp
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@@ -371,14 +371,8 @@ void BlockFile::FixSummary(void *data)
///
/// @param start The offset in this block where the region should begin
/// @param len The number of samples to include in the region
/// @param *outMin A pointer to where the minimum value for this region
/// should be stored
/// @param *outMax A pointer to where the maximum value for this region
/// should be stored
/// @param *outRMS A pointer to where the maximum RMS value for this
/// region should be stored.
void BlockFile::GetMinMax(size_t start, size_t len,
float *outMin, float *outMax, float *outRMS) const
auto BlockFile::GetMinMaxRMS(size_t start, size_t len, bool mayThrow)
const -> MinMaxRMS
{
// TODO: actually use summaries
SampleBuffer blockData(len, floatSample);
@@ -399,26 +393,16 @@ void BlockFile::GetMinMax(size_t start, size_t len,
sumsq += (sample*sample);
}
*outMin = min;
*outMax = max;
*outRMS = sqrt(sumsq/len);
return { min, max, (float)sqrt(sumsq/len) };
}
/// Retrieves the minimum, maximum, and maximum RMS of this entire
/// block. This is faster than the other GetMinMax function since
/// these values are already computed.
///
/// @param *outMin A pointer to where the minimum value for this block
/// should be stored
/// @param *outMax A pointer to where the maximum value for this block
/// should be stored
/// @param *outRMS A pointer to where the maximum RMS value for this
/// block should be stored.
void BlockFile::GetMinMax(float *outMin, float *outMax, float *outRMS) const
auto BlockFile::GetMinMaxRMS(bool)
const -> MinMaxRMS
{
*outMin = mMin;
*outMax = mMax;
*outRMS = mRMS;
return { mMin, mMax, mRMS };
}
/// Retrieves a portion of the 256-byte summary buffer from this BlockFile. This