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The Embedded Linux Conference (ELC) is the premier vendor-neutral technical conference for companies and developers using Linux in embedded products. This conference, now in its 9th year, has the largest collection of sessions dedicated exclusively to embedded Linux and embedded Linux developers. ELC is embedded Linux experts talking about solutions to your embedded Linux problems. ELC consists of 3 days of presentations, tutorials and Bird-of-a-Feather sessions. There are over 50 sessions to choose from, on a wide variety of topics.

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Thursday, February 21 • 2:45pm - 3:35pm
Using GStreamer for Seamless Off-loading Audio Processing to a DSP - Ruud Derwig, Synopsys

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This session explains how off-loading audio processing from an application CPU to an audio DSP is made easy using GStreamer. Despite the compute power of multicore application CPUs, the SoC design trend is heterogeneous with specialized subsystems and cores. For power efficiency and hardware cost such SoCs are optimal, for developers they are a pain. In the homogenous case SMP-Linux hides complexities, in the heterogeneous case developers must deal with different tools, shared memory (coherency), multiple OSes, optimization of DSP code, etc. Solutions as remoteproc are a first step in simplifying the use of the different cores on a SoC. We take this basic management and control a step further by leveraging the domain specifics of audio processing. The complexities of off-loading are hidden inside GStreamer elements, while retaining the flexible, plug-and-play graph creation of GStreamer.
Speakers

Ruud Derwig

Software & System Architect, Synopsys
Ruud Derwig has 15+ years of experience with software architectures for consumer electronics products. Ruud has been working at Philips Corporate Research, NXP Semiconductors, and is currently Software Architect in Synopsys. He represented NXP and Philips in the architecture group of the CE Linux Forum (CELF), chaired the Audio Video Graphics working group of CELF, and does some of the organization of ELC-Europe. Recently, he's been developing the software for the SoundWave audio subsystem.

Attendees (9)

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