Here is quick sample for loading a sound into a memory block and calculating the length:
// Project: memblockSound
// Created: 22-01-10
// show all errors
SetErrorMode(2)
// set window properties
SetWindowTitle( "memblockSound" )
SetWindowSize( 640, 480, 0 )
SetWindowAllowResize( 1 ) // allow the user to resize the window
// set display properties
SetVirtualResolution( 640, 480 ) // doesn't have to match the window
SetOrientationAllowed( 1, 1, 1, 1 ) // allow both portrait and landscape on mobile devices
SetSyncRate( 30, 0 ) // 30fps instead of 60 to save battery
SetScissor( 0,0,0,0 ) // use the maximum available screen space, no black borders
UseNewDefaultFonts( 1 )
SetPrintSize(18)
bits_numChannel as float = 0.0
bits_bitsPerSample as float = 0.0
bits_samplesPerSecond as float = 0.0
bits_numFrames as float = 0.0
sound_length as float = 0.0
`mySound = LoadSound("armo.wav")
mySound = LoadSound("armo_mono.wav")
myMemBlock = CreateMemblockFromSound(mySound)
bits_numChannel = GetMemblockByte(myMemBlock, 0) //Number of Channels (1 or 2)
bits_bitsPerSample = GetMemblockByte(myMemBlock, 2) //Bit Depth (example: 16bit)
bits_samplesPerSecond = GetMemblockInt(myMemBlock, 4) //Sample Rate (example: 44100)
bits_numFrames = GetMemblockInt(myMemBlock, 8) //Number of frames in the sound data
sound_length = bits_numFrames / bits_samplesPerSecond
do
print("bits_numChannels = " + str(bits_numChannel, 0))
print("bits_bitsPerSample = " + str(bits_bitsPerSample, 0))
print("bits_samplesPerSecond = " + str(bits_samplesPerSecond, 0))
print("bits_numFrames = " + str(bits_numFrames, 0))
print(chr(10) + "sound_length = " + str(sound_length) + " seconds")
Sync()
loop
