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There is a small correction in the below "Run YouTube" Command mentioned in rdk wiki page
remove "$PWD" in COBALT_CONTENT_DIR
rm /tmp/rialto-registry.bin; GST_REGISTRY=/tmp/rialto-registry.bin RIALTO_DEBUG=5 RIALTO_SOCKET_PATH=/tmp/rialto-0 XDG_RUNTIME_DIR=/tmp WAYLAND_DISPLAY=westeros-cobalt LD_LIBRARY_PATH="$PWD/usr/lib" COBALT_CONTENT_DIR="/usr/share/content/data" RIALTO_CLIENT_BACKEND_LIB="/usr/lib/libRialtoClient.so" /usr/bin/cobalt_bin
Encrypted playback is not verified as a part of POC.