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Mastering AV Files with Matroska, FFV1 and FFmpeg
An in-depth discussion of how archives can implement the Matroska container and the FFV1 video codec, by performing a little Bash programming with the FFmpeg tool. All case studies are real world ones and include both «worlds»:
Various workflows will be presented and analysed.
This is an advanced course, starting with a refresher on colour model, chroma subsampling, linear and logarithmic coding, and bit-depth. The attendees should be familiar with the command-line interface and possibly have elementary FFmpeg knowledge. A personal laptop with Bash and FFmpeg installed is necessary. Small exercise files will be provided on flash drives, but the participants are also invited to bring their own files.
Having graduated in mathematics and computer science, Reto Kromer became involved in audio-visual conservation and restoration thirty years ago. He was head of preservation at the Swiss National Film Archive, and lecturer at the University of Lausanne and the Academy of Fine Arts Vienna. He has been running his own preservation company and lecturing at the Bern University of Applied Sciences. His current research includes colour spaces, look-up tables and codec programming and emulation.