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77 lines
3.2 KiB
Plaintext
77 lines
3.2 KiB
Plaintext
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Building the MS Windows portaudio DLL with ASIO Support
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=======================================================
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Some MAP65 users may not be able to use WDM/KS hosted audio devices
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due to sharing issues with other applications, to circumvent this they
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can build a version of the portaudio DLL with ASIO support. We cannot
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provide a portaudio DLL with ASIO support as the Steinberg ASIO SDK
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license prevents redistribution of drivers or hosting applications
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without a commercial license agreement, nor is the Steinberg ASIO SDK
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license compatible with the GPL v3 license that MAP65 is released
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under. Users may build a portaudio DLL themselves, strictly for
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personal use, under the terms of the Steinberg ASIO license.
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Building portaudio on MS Windows is done most easily using the MinGW
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(GNU) tool-chain which can be installed on MS Windows using the MSYS2
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unix like environment which in turn includes a package manager
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(pacman) that allows simple installation of necessary prerequisite
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packages like the MinGW 64-bit tool-chain. To install MSYS2 download
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the latest 64-bit installer from the MSYS2 project web site. This page
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contains links to the installer download and detailed instructions to
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install and bring up-to-date the base MSYS2 packages.
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https://www.msys2.org/wiki/MSYS2-installation/
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Take particular care to restart the MSYS2 shell window when directed
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to.
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Once MSYS2 is installed you will find a start menu entry labelled
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"MSYS2 MinGW 64-bit", use that to start a fresh MSYS2 shell window for
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the rest of these instructions.
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The first step is to install some prerequisite packages which contain
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the tools needed to prepare and build the portaudio DLL. Execute the
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following command to do that:
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pacman -S make diffutils unzip mingw-w64-x86_64-gcc sed tar curl
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Then make directories to put downloaded sources in and for building:
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mkdir -p ~/src ~/build/portaudio
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Fetch and unpack the Steinberg ASIO SDK (note the ASIO SDK license
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document included, particularly that it strictly disallows
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redistribution of the DLL we will be building here), and portaudio
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sources:
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curl -Lo ~/src/asiosdk.zip https://www.steinberg.net/asiosdk
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(cd ~/src ; unzip asiosdk.zip)
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curl -O --output-dir ~/src \
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http://files.portaudio.com/archives/pa_stable_v190700_20210406.tgz
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tar -C ~/src -xf ~/src/pa_stable_v190700_20210406.tgz
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Patch and build the portaudio library:
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sed -i -e 's/-luuid//g' ~/src/portaudio/configure
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cd ~/build/portaudio
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~/src/portaudio/configure --with-winapi=wmme,directx,wdmks,asio \
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--with-asiodir=$HOME/src/asiosdk_2.3.3_2019-06-14 \
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--disable-static --enable-shared
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make -j
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You can check the library build is working by running a test program
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that was also built:
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bin/pa_devs
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which should list every audio device on your system by every host API,
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if all is well that should include the audio devices on your system
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with ASIO drivers.
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Copy the new portaudio DLL to your WSJT-X/MAP65 installation directory:
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cp lib/.libs/libportaudio-2.dll /c/WSJT/wsjtx/bin/
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Note that if you upgrade WSJT-X you will need to copy this DLL again
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since it will be overwritten by one with no ASIO support.
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