source: doc/xcode_frameworks.rst @ 24a7764

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5sampler
Last change on this file since 24a7764 was 24a7764, checked in by Paul Brossier <piem@piem.org>, 7 years ago

doc/xcode_frameworks.rst: add simple swift example

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[40dd715]1.. _xcode-frameworks-label:
2
3Using aubio frameworks in Xcode
4-------------------------------
5
6`Binary frameworks`_ are available and ready to use in your XCode project, for
7`iOS`_ and `macOS`_.
8
[3438b42]9#. Download and extract the corresponding ``framework.zip`` file from the `Download`_ page
[40dd715]10
[3438b42]11#. Select **Build Phases** in your project setting and unfold **Link Binary with Libraries**
[40dd715]12
[3438b42]13#. Add *AudioToolbox* and *Accelerate* system frameworks (or make sure they are listed)
[40dd715]14
[3438b42]15#. Add ``aubio.framework`` from the unzipped ``framework.zip``
[40dd715]16
17#. Include the aubio header in your code:
18
19  * in C/C++:
20
21  .. code-block:: c
22
23    #include <aubio/aubio.h>
24
25  * in Obj-C:
26
27  .. code-block:: obj-c
28
29    #import <aubio/aubio.h>
30
31  * in Swift:
32
33  .. code-block:: swift
34
35    import aubio
36
[24a7764]37Using aubio from swift
38......................
39
40Here is a short example showing how to read a sound file in swift:
41
42
43  .. code-block:: swift
44
45    import aubio
46
47    let path = Bundle.main.path(forResource: "example", ofType: "mp4")
48    if (path != nil) {
49        let hop_size : uint_t = 512
50        let a = new_fvec(hop_size)
51        let b = new_aubio_source(path, 0, hop_size)
52        var read: uint_t = 0
53        var total_frames : uint_t = 0
54        while (true) {
55            aubio_source_do(b, a, &read)
56            total_frames += read
57            if (read < hop_size) { break }
58        }
59        print("read", total_frames, "frames at", aubio_source_get_samplerate(b), "Hz")
60        del_aubio_source(b)
61        del_fvec(a)
62    } else {
63        print("could not find file")
64    }
65
66
[40dd715]67.. _Binary frameworks: https://aubio.org/download
68.. _iOS: https://aubio.org/download#ios
69.. _macOS: https://aubio.org/download#osx
70.. _Download: https://aubio.org/download
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