summery says all, for details see the attached build log.
On www.dvdstyler.org you find already version 2.3. Maybe it builds with this version.
Steps to Reproduce:
1. upgade to ffmpeg-0.11
2. try to compile dvdstyler
Created attachment 322673 [details]
build.log with error
I found in the changelog, that version 2.3 supports it.
I confirm this bug
Furthermore, bumping dvdstyler-2.1.ebuild to dvdstyler-2.3 solves the problem for my ~amd64 system.
should be fixed in 2.3.4