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PipeWire 1.4.2 Adds Extra MIDI Checks to Avoid 100% CPU Usage on Older Kernels
Highlights of PipeWire 1.4.2 include extra checks for MIDI to avoid 100% CPU usage on older kernels, support for using header metadata by default in the videoadapter, improved pw-cat verbose sndfile format debug, improved handling of set_format results from v4l2, and the addition of the missing –channel-map long option for pw-loopback.
This release also improves handling of crashes when the POD builder overflows in the filter, updates pw-cat to prefer the AU format when streaming on stdout/stdin, fixes a leak in the deviceprovider, adds a workaround for the libebur128 bug, makes the service files depend on DBus to prevent startup races, and fixes a GStreamer negotiation issue to make renegotiation better.
Linuxiac:
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PipeWire 1.4.2 Brings Stability Improvements and MIDI Fixes
A month after its previous 1.4.1 release, the PipeWire team announced the second bugfix update to the 1.4 series, v1.4.2, for this widely adopted Linux multimedia server that manages audio and video streams.
According to the official release notes, this new bugfix version primarily tackles high CPU usage when working with MIDI on older kernels and addresses several other concerns, including potential crashes in PipeWire’s POD builder.