constexpr bool MinimalSafetyCheck()

in Source/AUUtility.h [224:239]

• 12 lines of code
• 12 McCabe index (conditional complexity)

constexpr bool MinimalSafetyCheck(const AudioStreamBasicDescription& x) noexcept
{
	// This function returns false if there are sufficiently unreasonable values in any field.
	// It is very conservative so even some very unlikely values will pass.
	// This is just meant to catch the case where the data from a file is corrupted.

	return (x.mSampleRate >= 0.) && (x.mSampleRate < 3e6) // NOLINT SACD sample rate is 2.8224 MHz
		   && (x.mBytesPerPacket < 1000000)               // NOLINT
		   && (x.mFramesPerPacket < 1000000)              // NOLINT
		   && (x.mBytesPerFrame < 1000000)                // NOLINT
		   && (x.mChannelsPerFrame > 0) && (x.mChannelsPerFrame <= 1024) // NOLINT
		   && (x.mBitsPerChannel <= 1024)                                // NOLINT
		   && (x.mFormatID != 0) &&
		   !(x.mFormatID == kAudioFormatLinearPCM &&
			   (x.mFramesPerPacket != 1 || x.mBytesPerPacket != x.mBytesPerFrame));
}