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Questions tagged [libpd]

libpd is the embeddable (library) version of the realtime computer music system "Pure Data"

56 questions
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Crackling noise on playback on iOS9 and 9.1 (libPD + cocos2d + xcode 7.1)

I'm writing an app using cocos2d and libpd on iOS. After updating XCode to 7.1 I had to do a workaround regarding CG shaders not setting up correctly, as per: Coco2d 2.1 and Xcode 7 iOS 9 crash ccShader Unfortunately I started getting crackling…
enamodeka
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Integration between Android and Pure Data

I have written a Pure Data patch, which works on PC (Windows); when I integrate it with Android, an audio file is saved, but it contains no data. I confirmed that the file is there using ES file explorer, and I granted app permissions for recording…
iBharath
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libpd w/ Android Studio, unable to get the sound in

I migrated from Eclipse to AndroidStudio; I can get sounds from the project I've built with AndroidStudio/libpd but can not use mic to enter sound into Pd. this is how I set audio parameters: private void initPd() throws IOException…
Ike
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libpd library Low latency support for video?

I recently found the libpd library which can be used when developing applications for Android. As I have understood, it can be used for example music related projects where low latency is required. My question is if the library can be used with…
Great Cubicuboctahedron
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Unable to get output from Pd library and Android app

I am trying to get a simple Android app working with the Pd library I have integrated within my eclipse environment. I have successfully build and compiled an example project called "CircleOfFifths" which proves that the library has been integrated…
Sahil
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Android - High phone resource usage causing low volume on one headphone?

I am using libpd (Pure Data) on Android in order to make an application that can be used as a low budget hearing aid. My original design for the "audio engine" had 7 filters, and the volume from both headphones was the same. I changed the design to…
user2457541
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Not able to get audio input for simple microphone app

I am in the process of learning out to use libpd with Android and have ran into a problem. I wanted to see if I could get a simple microphone app working. Just an ~adc -> bpfilter -> *2 -> ~dac. I verified that the patched worked with Pure Data and…
user2457541
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Libpd configuration in Visual C++ 2010

I'm trying to import and run the C++ sample project coming with the libpd API CppTest within a Visual C++ 2010 project. I imported the C++ API files of libpd, i.e. PdBase, PdReceiver, PdMidiReceiver and PdTypes, with corresponding source files in…
Lorenzo Monni
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Recommended per-app CPU load in Android

I am developing an Android App which runs a lot of intensive audio tasks using libpd. Libpd's audio thread has the priority Process.THREAD_PRIORITY_URGENT_AUDIO. The cpu load stays constantly between 20% and 30% on a Samsung Galaxy S3. This seems…
janfreymann
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libpd for iOS Mach-O linker errors

I'm using libpd in a universal iOS app, working with iOS 7 and Xcode 5.0.2. libpd works as expected (can load and interact with Pd patches), but I'm having trouble using external objects. Here's the error message I'm seeing: Ld…
Jason McDermott
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See patch messages in real-time

Is it possible to send messages to a patch using libPd for iOS and see visual updates in real-time? I tried loading the patch from the simulator directory into the editor, then interacting with my to send Pd messages, however no visual updates…
Jasper Blues
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