source: doc/xcode_frameworks.rst

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doc/xcode_frameworks.rst: remove duplicated label

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Frameworks for Xcode

Binary frameworks are available and ready to use in your XCode project, for iOS and macOS.

  1. Download and extract the corresponding file from the `Download`_ page
  2. Select Build Phases in your project setting and unfold Link Binary with Libraries
  3. Add AudioToolbox and Accelerate system frameworks (or make sure they are listed)
  4. Add aubio.framework from the unzipped
  5. Include the aubio header in your code:
  • in C/C++:
#include <aubio/aubio.h>
  • in Obj-C:
#import <aubio/aubio.h>
  • in Swift:
import aubio

Using aubio from swift

Once you have downloaded and installed :ref:`aubio.framework <xcode-frameworks-label>`, you sould be able to use aubio from C, Obj-C, and Swift source files.


Here is a short example showing how to read a sound file in swift:

import aubio
let path = Bundle.main.path(forResource: "example", ofType: "mp4")
if (path != nil) {
    let hop_size : uint_t = 512
    let a = new_fvec(hop_size)
    let b = new_aubio_source(path, 0, hop_size)
    var read: uint_t = 0
    var total_frames : uint_t = 0
    while (true) {
        aubio_source_do(b, a, &read)
        total_frames += read
        if (read < hop_size) { break }
    print("read", total_frames, "frames at", aubio_source_get_samplerate(b), "Hz")
} else {
    print("could not find file")

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