Coverage Summary for Class: PrimitiveAudioData (com.vsevolodganin.clicktrack.primitiveaudio)

 package com.vsevolodganin.clicktrack.primitiveaudio
 
 import kotlin.math.roundToInt
 import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 import kotlin.time.DurationUnit
 
 class PrimitiveAudioData(
     val bytes: ByteArray,
     val encoding: Encoding,
     val sampleRate: Int,
     val channelCount: Int,
 ) {
     enum class Encoding {
         PCM_UNSIGNED_8BIT,
         PCM_SIGNED_16BIT_LITTLE_ENDIAN,
         PCM_SIGNED_24BIT_LITTLE_ENDIAN,
         PCM_SIGNED_32BIT_LITTLE_ENDIAN,
         PCM_FLOAT_32BIT_LITTLE_ENDIAN,
     }
 }
 
 val PrimitiveAudioData.bytesPerSample: Int
     get() = when (encoding) {
         PrimitiveAudioData.Encoding.PCM_UNSIGNED_8BIT -> 1
         PrimitiveAudioData.Encoding.PCM_SIGNED_16BIT_LITTLE_ENDIAN -> 2
         PrimitiveAudioData.Encoding.PCM_SIGNED_24BIT_LITTLE_ENDIAN -> 3
         PrimitiveAudioData.Encoding.PCM_SIGNED_32BIT_LITTLE_ENDIAN,
         PrimitiveAudioData.Encoding.PCM_FLOAT_32BIT_LITTLE_ENDIAN,
         -> 4
     }
 
 val PrimitiveAudioData.samplesNumber: Int get() = bytes.size / bytesPerSample
 
 fun convertDurationToSamplesNumber(duration: Duration, sampleRate: Int): Int {
     return (duration.toDouble(DurationUnit.SECONDS) * sampleRate).roundToInt()
 }
 
 fun convertDurationToFramesNumber(duration: Duration, sampleRate: Int, channelCount: Int): Int {
     return (duration.toDouble(DurationUnit.SECONDS) / channelCount * sampleRate).roundToInt()
 }
 
 fun convertSamplesNumberToDuration(samplesNumber: Int, sampleRate: Int): Duration {
     return (samplesNumber.toDouble() / sampleRate).seconds
 }
 
 fun convertFramesNumberToDuration(framesNumber: Int, sampleRate: Int, channelCount: Int): Duration {
     return (framesNumber.toDouble() / sampleRate * channelCount).seconds
 }