Packages

object VDiskIn extends Serializable

A UGen to stream in a signal from an audio file with variable playback speed. Continuously plays a longer audio file from disk. This requires a buffer to be preloaded with one buffer size of sound. If loop is set to 1, the file will loop.

Note: The buffer size must be a multiple of (2 * the server's block size). See Buffer#cue for details.

If the speed is too high, the UGen will not execute, posting a warning.

See also

PlayBuf

DiskOut

DiskIn

Buffer#cue

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  4. def ar(numChannels: Int, buf: GE, speed: GE = 1.0f, loop: GE = 0, sendID: GE = 0): VDiskIn

    numChannels

    the amount of channels the file and the buffer will have. This is an Int and hence must be pre-determined. Different SynthDefs must be created for different numbers of channels

    buf

    the id of the buffer with the correct number of channels and frames

    speed

    controls the speed of playback. The buffer is always streamed at a frequency of SampleRate.ir * speed , so the buffer's own sample rate is irrelevant. Factors below 4 are probably fine, but the higher the value, the more disk activity there is, and the more likelihood there will be a problem. The following must be true: rate < bufFrames / (2 * blockSize) , e.g with typical default values, this will be 32768 / (2 * 64) = 256 .

    loop

    whether the file should loop when its end is reached

    sendID

    If a value other than zero is used, the UGen sends an OSC message with this id and the file position each time it reloads the buffer: OSCMessage("/diskin", nodeID, sendID, frame)

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