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A library and set of applications to interface with the Snyderphonics Manta
C++ Pure Data CSS Max CMake C

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libmanta is a library and set of example programs, and a PD/Max object for interfacing with the Snyderphonics Manta, a touch-sensitive usb controller with LED feedback.

libmanta is currently in beta stage, and the examples are intended simply as starting points to show how the library may be used. The [manta] object for Pure Data and Max/MSP will be a user-facing release released in both source and binary forms.

manta the pd/max object is built on an abstraction layer called flext by Thomas Grill. It allows an external to be compiled for both PD and Max and on OS X, Linux, and Windows. You will need to build and install flext using the included instructions before building and installing the external.


If you'd like to develop an application using libmanta, there's developer documentation available at


liblo (only for MantaOSC example) CMake (to build standalone library or non-flext examples) flext (for the PD/Max object) is included with this source package. If you have another version installed feel free to use that instead, and modify the instructions accordingly.

PureData / Max/MSP Object Build and Install Instructions

Note: commands to be typed into the terminal will appear in single quotes with no other instruction.

PureData on Linux or OS X

  1. Download the pd source from and remember where you extract it.
  2. Navigate to extern/flext in the libmanta directory
  3. './ pd gcc'
  4. Edit buildsys/config-lnx-pd-gcc.txt (or config-mac-pd-gcc.txt) and change:
    1. (Linux ONLY) the last line to OFLAGS+=-march=native
    2. PDPATH to point to the "pd" subdirectory of the pd source package you extracted in step 2
    3. INSTPATH to point to where your PD externals live
  5. './ pd gcc'
  6. (Mac Only) Edit config.txt and comment out the line "SIMD=1"
  7. './ pd gcc' (yes, again)
  8. './ pd gcc install'
  9. 'cd ../..'
  10. 'extern/flext/ pd gcc'
  11. 'sudo extern/flext/ pd gcc install'

Max/MSP on OS X

  1. Download Max/MSP SDK from and put it somewhere easy to find
  2. Place the MaxAPI.framework folder found inside the max-includes directory into Library/Frameworks
  3. in Terminal, navigate to MantaFlext/extern/flext in the libmanta directory
  4. './ max gcc'
  5. Edit buildsys/config-mac-max-gcc.txt and change:
    1. MAXSDKPATH to point to the subdirectory of the Max SDK you extracted in step 1 (should be the directory right above the max-includes directory, like MaxSDK-5.1.6/c74support/)
    2. INSTPATH to point to where your Max externals live
    3. change the ARCH= line to read only ARCH=i386
  6. './ max gcc'
  7. Edit config.txt and comment out the line "SIMD=1"
  8. './ max gcc' (yes, again)
  9. 'sudo ./ max gcc install'
  10. 'cd ../..'
  11. 'extern/flext/ max gcc'
  12. 'extern/flext/ max gcc' (again)
  13. in MantaFlext/max-darwin create an empty folder called 'core'
  14. 'extern/flext/ max gcc' (again)
  15. 'sudo extern/flext/ max gcc install'
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