pulseaudio in the embedded world arun raghavan collabora ...€¦ · pulseaudio daemon bluetooth...
TRANSCRIPT
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PulseAudio In The Embedded World
Arun RaghavanCollabora Multimedia
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PulseAudio – what and why?
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ALSA is a low-level API
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Need something more app-friendly
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More features
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… PulseAudio
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Sound server
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Simple API
Async API
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Per-app volumes
Flat volumes
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Move streams while playing
Metadata-based “intelligence”
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Broad overview …
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So who's using it?
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Nokia (N900)
Palm (Pre)
Intel (MeeGo)
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Why are they using it?
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Timer-based scheduling
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Image by Lennart Poettering
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Latency control
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Dynamic routing
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Modular == extensible
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Active upstream
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Where next?
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Policy/use-case management
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Filters
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Compressed formats
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CPU and power optimisation
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???
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Profit!
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Thank you for coming!