• Device Details
• Building Rialto using Yocto
• Playing Test streams with Rialto
• Running YouTube with Rialto
• Known Issues / limitations
• Failure Analysis Guidelines

Device Details

Building Rialto using Yocto 

• Prerequisite - Build the Raspberry Pi Image (RPI 4B model reference platform for RDKV - RDK - RDK Central Wiki)
• Follow the steps mentioned in Building Rialto using Yocto - Preferred Program - RDK Central Wiki

Playing Test streams with Rialto

• For below steps, Refer Running YouTube with Rialto - Preferred Program - RDK Central Wiki page.
  - Run westeros
  - Start server manager simulator
  - Run Rialto Server for YouTube
  
  
  
• Command used to run test streams
  

  rm /tmp/rialto-registry.bin ; GST_REGISTRY=/tmp/rialto-registry.bin RIALTO_DEBUG=5 RIALTO_CONSOLE_LOG=1 RIALTO_SOCKET_PATH=/tmp/rialto-0 XDG_RUNTIME_DIR=/tmp WAYLAND_DISPLAY=westeros-cobalt LD_LIBRARY_PATH="$PWD/usr/lib" COBALT_CONTENT_DIR="$PWD/usr/share/content/data" RIALTO_CLIENT_BACKEND_LIB="/usr/lib/libRialtoClient.so" gst-launch-1.0 playbin uri=file:///tmp/sample-video-file-for-testing.mp4

Running YouTube with Rialto

• Refer Running YouTube with Rialto - Preferred Program - RDK Central Wiki page.

• There is a small correction in the below "Run YouTube" Command mentioned in rdkwiki page

  • remove "$PWD" in COBALT_CONTENT_DIR

  • add "RIALTO_SINKS_RANK=0" to start playback in YouTube.

  RIALTO_DEBUG=5 RIALTO_SINKS_RANK=0 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