<I want to create an audio waveform view and I wan...

# stackoverflow

[rss]

I want to create an audio waveform view and I want to synchronize it with the audio playback position so I am trying to create an audio editor
fun generateWaveformBitmap(pcmFile: File, width: Int, height: Int): Bitmap {
val pcmData = pcmFile.readBytes()
val bytesPerSample = 2 // 16-bit PCM data
val samples = pcmData.size / bytesPerSample
val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
val canvas = android.graphics.Canvas(bitmap)
val paint = Paint().apply {
color = android.graphics.Color.BLACK
strokeWidth = 2f
}


val maxAmplitude = 32768 // max value for 16-bit...