MuseScore/README.md

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# ![MuseScore](share/icons/musescore_logo_full.png)
Music notation and composition software
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[![License: GPL v3](https://img.shields.io/badge/License-GPL%20v3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0.en.html)
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MuseScore is an open source and free music notation software. For support, contribution, and bug reports visit MuseScore.org. Fork and make pull requests!
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## Features
- WYSIWYG design, notes are entered on a "virtual notepaper"
- TrueType font(s) for printing & display allows for high quality scaling to all sizes
- Easy & fast note entry
- Many editing functions
- MusicXML import/export
- MIDI (SMF) import/export
- MuseData import
- MIDI input for note entry
- Integrated sequencer and software synthesizer to play the score
- Print or create pdf files
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## More info
- [MuseScore Homepage](https://musescore.org)
- [MuseScore Git workflow instructions](https://musescore.org/en/developers-handbook/git-workflow)
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- [How to compile MuseScore?](https://github.com/musescore/MuseScore/wiki/Set-up-developer-environment)
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## License
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MuseScore is licensed under GPL version 3.0. See [license file](https://github.com/musescore/MuseScore/blob/master/LICENSE.txt) in the same directory.
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## Packages
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See [Code Structure on Wiki](https://github.com/musescore/MuseScore/wiki/CodeStructure)
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## Building
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**Read the [Compilation section](https://github.com/musescore/MuseScore/wiki/Set-up-developer-environment) of the [MuseScore Wiki](https://github.com/musescore/MuseScore/wiki) for a complete build walkthrough and a list of dependencies.**
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### Getting sources
If using git to download repo of entire code history, type:
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git clone https://github.com/musescore/MuseScore.git
cd MuseScore
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Otherwise, you can just download the latest source release tarball from the [Releases page](https://github.com/musescore/MuseScore/releases), and then from your download directory type:
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tar xzf MuseScore-x.x.x.tar.gz
cd MuseScore-x.x.x
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### Release Build
ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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To compile MuseScore for release, type:
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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cmake -P build.cmake -DCMAKE_BUILD_TYPE=Release
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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If something goes wrong, append the word "clean" to the above command to delete the build subdirectory:
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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cmake -P build.cmake -DCMAKE_BUILD_TYPE=Release clean
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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Then try running the first command again.
ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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### Running
To start MuseScore, type:
ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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cmake -P build.cmake -DCMAKE_BUILD_TYPE=Release run
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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Or run the compiled executable directly.
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### Debug Build
ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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A debug version can be built and run by replacing `-DCMAKE_BUILD_TYPE=Release`
with `-DCMAKE_BUILD_TYPE=Debug` in the above commands.
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ONE BUILD SCRIPT TO RULE THEM ALL! Adds a cross-platform script that automates the process of creating a build directory and compiling MuseScore. Run the script like this: $ cmake -P build.cmake [args...] This works in all shells on all platforms. Developers with a Unix-like environment (including Git Bash on Windows) can also use: $ ./build.cmake [args...] Build step arguments: clean Delete the build directory. configure Create a build directory and run CMake inside it. build Compile code using the native build tool. install Copy compiled files to final destinations. run Run the installed program. Each step implies all previous steps except 'clean' and 'run', which are only performed when explictly requested. If no steps are given then the configure, build, and install steps are performed by default. All other arguments are passed to CMake during configuration. Example command: $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug $ cmake -P build.cmake -GNinja -DCMAKE_BUILD_TYPE=Debug run -F This creates and installs a Debug build using the Ninja generator, and then runs the compiled program with the -F option to perform a factory reset, thereby ensuring it is in the initial state. Overrides: If you frequently need to build with non-default settings then you can create a file build_overrides.cmake with all your personal settings to avoid having to pass them in on the command line each time. # build_overrides.cmake example file set(ENV{QTDIR} "$ENV{HOME}/Qt/5.15.2/gcc_64") list(APPEND CONFIGURE_ARGS -GNinja -DCMAKE_BUILD_TYPE=Debug) This file is ignored by Git to prevent it being shared with other developers, but you could always copy another file into its place (e.g. during a CI build on GitHub Actions).
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If you omit the `-DCMAKE_BUILD_TYPE` option entirely then `RelWithDebInfo` is
used by default, as it provides a useful compromise between Release and Debug.
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### Testing
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See the [Unit tests section](https://github.com/musescore/MuseScore/wiki/Unit-tests) of the [MuseScore Wiki](https://github.com/musescore/MuseScore/wiki) for instructions on how to run the test suite.
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### Code Formatting
Run `./hooks/install.sh` to install a pre-commit hook that will format your staged files. Requires that you install `uncrustify`.
If you have problems, please report them. To uninstall, run `./hooks/uninstall.sh`.