love.sound.newSoundData
Creates new SoundData from a filepath, File, or Decoder. It's also possible to create SoundData with a custom sample rate, channel and bit depth.
The sound data will be decoded to the memory in a raw format. It is recommended to create only short sounds like effects, as a 3 minute song uses 30 MB of memory this way.
Contents
Function
Synopsis
soundData = love.sound.newSoundData( filename )
Arguments
string filename
- The file name of the file to load.
Returns
SoundData soundData
- A new SoundData object.
Function
Synopsis
soundData = love.sound.newSoundData( file )
Arguments
File file
- A File pointing to an audio file.
Returns
SoundData soundData
- A new SoundData object.
Function
Synopsis
soundData = love.sound.newSoundData( decoder )
Arguments
Decoder decoder
- Decode data from this Decoder until EOF.
Returns
SoundData soundData
- A new SoundData object.
Function
Synopsis
soundData = love.sound.newSoundData( samples, rate, bits, channels )
Arguments
number samples
- Total number of samples.
number rate (44100)
- Number of samples per second
number bits (16)
- Bits per sample (8 or 16).
number channels (2)
- Either 1 for mono or 2 for stereo.
Returns
SoundData soundData
- A new SoundData object.
Examples
Loading SoundData from files
wav = love.sound.newSoundData("doom.wav")
-- Beware: if doom.mp3 is a huge file, it will take
-- ages to decode.
mp3 = love.sound.newSoundData("doom.mp3")
Beep function
local rate = 44100 -- samples per second
local length = 1/32 -- 0.03125 seconds
local tone = 440.0 -- Hz
local p = math.floor(rate/tone) -- 100 (wave length in samples)
local soundData = love.sound.newSoundData(math.floor(length*rate), rate, 16, 1)
for i=0, soundData:getSampleCount() - 1 do
-- soundData:setSample(i, math.sin(2*math.pi*i/p)) -- sine wave.
soundData:setSample(i, i%p<p/2 and 1 or -1) -- square wave; the first half of the wave is 1, the second half is -1.
end
local source = love.audio.newSource(soundData)
local function beep() source:play() end
Call it as:
beep()
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