Explore the GstSyncServer library for implementing synchronized media playback across devices in this 22-minute conference talk from linux.conf.au 2020. Dive into the flexible, high-level API of GStreamer, a multimedia framework used for audio and video systems. Learn about various applications, including video walls and multiroom audio systems. Examine the API design, custom synchronization mechanisms, and potential areas for contributor involvement. Gain insights into GStreamer pipelines, clock synchronization, and the GSD Sync Server project, including its controls, API, and client-server architecture.