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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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3
Userland/Libraries/LibWeb/CMakeLists.txt
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@ -473,6 +473,7 @@ set(SOURCES
PerformanceTimeline/EntryTypes.cpp
PerformanceTimeline/PerformanceEntry.cpp
PermissionsPolicy/AutoplayAllowlist.cpp
Platform/AudioCodecPlugin.cpp
Platform/EventLoopPlugin.cpp
Platform/EventLoopPluginSerenity.cpp
Platform/FontPlugin.cpp
@ -595,7 +596,7 @@ set(GENERATED_SOURCES
serenity_lib(LibWeb web)
# NOTE: We link with LibSoftGPU here instead of lazy loading it via dlopen() so that we do not have to unveil the library and pledge prot_exec.
target_link_libraries(LibWeb PRIVATE LibCore LibCrypto LibJS LibMarkdown LibHTTP LibGemini LibGL LibGUI LibGfx LibIPC LibLocale LibRegex LibSoftGPU LibSyntax LibTextCodec LibUnicode LibVideo LibWasm LibXML LibIDL)
target_link_libraries(LibWeb PRIVATE LibCore LibCrypto LibJS LibMarkdown LibHTTP LibGemini LibGL LibGUI LibGfx LibIPC LibLocale LibRegex LibSoftGPU LibSyntax LibTextCodec LibUnicode LibAudio LibVideo LibWasm LibXML LibIDL)
link_with_locale_data(LibWeb)
generate_js_bindings(LibWeb)