May 29, 2015

Linux Support for Digital Video Broadcasting

Mauro Carvalho Chehab, the maintainer of the kernel's media subsystem, has posted the first two in a series of articles on digital video broadcasting support in Linux. Part 1 gives an overview of how the devices and protocols work, while part 2 looks at digital TV network interface use. "Supporting embedded Digital TV hardware is complex, considering that such hardware generally has multiple components that can be rewired in runtime to dynamically change the stream pipelines and provide flexibility for things like recording a video stream, then tuning into another channel to see a different program. This article describes how the DVB pipelines are setup and the needs that should be addressed by the Linux Kernel."

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