Currently freerdp does not support h264 encoding(server mode) using ffmpeg. Building with direct openh264 support fixes that. DEPEND/RDEPEND on media-libs/openh264 and add -DWITH_OPENH264=ON during configure will do the trick.
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5fde3228edde05116bf72fdcc0822ea5431daa7d commit 5fde3228edde05116bf72fdcc0822ea5431daa7d Author: Mike Gilbert <floppym@gentoo.org> Date: Sat Jul 29 22:19:46 2017 -0400 net-misc/freerdp: add openh264 support Bug: https://bugs.gentoo.org/626540 Package-Manager: Portage-2.3.6_p23, Repoman-2.3.3_p1 net-misc/freerdp/freerdp-2.0.0_rc0.ebuild | 4 +++- net-misc/freerdp/freerdp-9999.ebuild | 4 +++- net-misc/freerdp/metadata.xml | 23 ++++++++++++----------- 3 files changed, 18 insertions(+), 13 deletions(-)
That was fast, thanks