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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
Notes: sideshowbarker 2024-07-17 03:05:16 +09:00
15 changed files with 317 additions and 9 deletions
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6
Documentation/BuildInstructionsLadybird.md
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@ -7,7 +7,7 @@ Qt6 development packages and a C++20 capable compiler are required. gcc-12 or cl
On Debian/Ubuntu required packages include, but are not limited to:
```
sudo apt install build-essential cmake libgl1-mesa-dev ninja-build qt6-base-dev libqt6svg6-dev qt6-tools-dev-tools
sudo apt install build-essential cmake libgl1-mesa-dev ninja-build qt6-base-dev libqt6svg6-dev qt6-tools-dev-tools qt6-multimedia-dev
```
For Ubuntu 20.04 and above, ensure that the Qt6 Wayland packages are available:
@ -19,12 +19,12 @@ sudo apt install qt6-wayland
On Arch Linux/Manjaro:
```
sudo pacman -S --needed base-devel cmake libgl ninja qt6-base qt6-svg qt6-tools qt6-wayland
sudo pacman -S --needed base-devel cmake libgl ninja qt6-base qt6-svg qt6-tools qt6-wayland qt6-multimedia
```
On Fedora or derivatives:
```
sudo dnf install cmake libglvnd-devel ninja-build qt6-qtbase-devel qt6-qtsvg-devel qt6-qttools-devel qt6-qtwayland-devel
sudo dnf install cmake libglvnd-devel ninja-build qt6-qtbase-devel qt6-qtsvg-devel qt6-qttools-devel qt6-qtwayland-devel qt6-qtmultimedia-devel
```
On openSUSE: