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sai.h - constexpr GetSampleRate() #642

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14 changes: 3 additions & 11 deletions src/per/sai.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ class SaiHandle::Impl
SaiHandle::Result StopDmaTransfer();

// Utility functions
float GetSampleRate();
constexpr float GetSampleRate();
size_t GetBlockSize();
float GetBlockRate();

Expand Down Expand Up @@ -333,17 +333,9 @@ SaiHandle::Result SaiHandle::Impl::StopDmaTransfer()
return Result::OK;
}

float SaiHandle::Impl::GetSampleRate()
constexpr float SaiHandle::Impl::GetSampleRate()
{
switch(config_.sr)
{
case Config::SampleRate::SAI_8KHZ: return 8000.f;
case Config::SampleRate::SAI_16KHZ: return 16000.f;
case Config::SampleRate::SAI_32KHZ: return 32000.f;
case Config::SampleRate::SAI_48KHZ: return 48000.f;
case Config::SampleRate::SAI_96KHZ: return 96000.f;
default: return 48000.f;
}
return config_.sr;
}
size_t SaiHandle::Impl::GetBlockSize()
{
Expand Down
12 changes: 6 additions & 6 deletions src/per/sai.h
Original file line number Diff line number Diff line change
Expand Up @@ -54,13 +54,13 @@ class SaiHandle
};

/** Rate at which samples will be streaming to/from the device. */
enum class SampleRate
enum SampleRate : int
{
SAI_8KHZ,
SAI_16KHZ,
SAI_32KHZ,
SAI_48KHZ,
SAI_96KHZ,
SAI_8KHZ = 8000,
SAI_16KHZ = 16000,
SAI_32KHZ = 32000,
SAI_48KHZ = 48000,
SAI_96KHZ = 96000,
};

/** Bit Depth that the hardware expects to be transferred to/from the device. */
Expand Down