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comparison examples/01-Basics/minimal/render.cpp @ 543:8f8809c77dda prerelease

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updated basics, digital, instruments, extras examples
author chnrx <chris.heinrichs@gmail.com>
date Fri, 24 Jun 2016 13:19:52 +0100
parents 2ec36efb2c52
children
comparison
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542:3016638b4da2 543:8f8809c77dda
101 These arguments are pointers to data structures. The main one that's used is 101 These arguments are pointers to data structures. The main one that's used is
102 `context`, which is a pointer to a data structure containing lots of information 102 `context`, which is a pointer to a data structure containing lots of information
103 you need. 103 you need.
104 104
105 Take a look at what's in the data structure [here] 105 Take a look at what's in the data structure [here]
106 (https://code.soundsoftware.ac.uk/projects/beaglert/embedded/structBeagleRTContext.html).
107 106
108 You can access any of these bits of information about current audio and sensor 107 You can access any of these bits of information about current audio and sensor
109 settings and pointers to data buffers that are contained in the data structure 108 settings and pointers to data buffers that are contained in the data structure
110 like this: `context->name_of_item`. 109 like this: `context->name_of_item`.
111 110
112 For example, `context->audioChannels` returns the number of audio channels. 111 For example, `context->audioInChannels` returns the number of audio input channels.
113 `context->audioSampleRate` returns the audio sample rate. 112 `context->audioSampleRate` returns the audio sample rate.
114 `context->audioIn[n]` would give you the current input sample (assuming that 113 `context->audioIn[n]` would give you the current input sample (assuming that
115 your input is mono - if it's not you will have to account for multiple channels). 114 your input is mono - if it's not you will have to account for multiple channels).
116 115
117 Note that `audioIn`, `audioOut`, `analogIn`, `analogOut` are all arrays (buffers). 116 Note that `audioIn`, `audioOut`, `analogIn`, `analogOut` are all arrays (buffers).