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Ladybird+LibWeb+WebContent: Create a platform plugin for playing audio

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This creates (and installs upon WebContent startup) a platform plugin to
play audio data.

On Serenity, we use AudioServer to play audio over IPC. Unfortunately,
AudioServer is currently coupled with Serenity's audio devices, and thus
cannot be used in Ladybird on Lagom. Instead, we use a Qt audio device
to play the audio, which requires the Qt multimedia package.

While we use Qt to play the audio, note that we can still use LibAudio
to decode the audio data and retrieve samples - we simply send Qt the
raw PCM signals.
This commit is contained in:
Timothy Flynn 2023-06-12 13:44:10 -04:00 • committed by Andreas Kling
parent ee48d7514f
commit a34e369252
15 changed files with 317 additions and 9 deletions
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2
Meta/Azure/Setup.yml
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@ -21,7 +21,7 @@ steps:
wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
sudo add-apt-repository 'deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-15 main'
sudo apt-get update
sudo apt-get install ccache gcc-12 g++-12 clang-15 libstdc++-12-dev ninja-build unzip qt6-base-dev qt6-tools-dev-tools libqt6svg6-dev libgl1-mesa-dev
sudo apt-get install ccache gcc-12 g++-12 clang-15 libstdc++-12-dev ninja-build unzip qt6-base-dev qt6-tools-dev-tools libqt6svg6-dev qt6-multimedia-dev libgl1-mesa-dev
sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-15 100
sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-15 100