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| author |   Jan-Simon Moeller <jsmoeller@linuxfoundation.org> | 2019-07-09 08:13:54 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@automotivelinux.org> | 2019-07-09 08:13:54 +0000 |
| commit | 6b673b5726dea2d2f8d39caee34d0ca850cc146e (patch) | |
| tree | 189b961689a2f3b0de09c46a4b1db08b06021149 /waltham-receiver/README.md | |
| parent | 2e0789fdb4141807b9367787e3bb4098c40f7e2a (diff) | |
| parent | 3344b0a0696c2670ccdc7fa9fb619efdf3764fca (diff) | |
Merge "receiver: Introduce waltham-receiver"halibut_8.0.0halibut_7.99.3halibut/8.0.0halibut/7.99.38.0.07.99.3
Diffstat (limited to 'waltham-receiver/README.md')
| -rw-r--r-- | waltham-receiver/README.md | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/waltham-receiver/README.md b/waltham-receiver/README.md new file mode 100644 index 0000000..d0f63cb --- /dev/null +++ b/waltham-receiver/README.md @@ -0,0 +1,126 @@ +# Waltham-receiver + +waltham-receiver component is a receiver side implementation for using +Waltham protocol to obtain and process remote output received from +waltham-transmitter + +This component is designed to be used for evaluating the functionalities of +waltham-transmitter plugin. + +This component also acts as weston client application to display/handle various +requests from actual weston client at transmitter side. + +###Architecture + +```` + + ECU 1 ECU 2 + +-----------------------------------------------------+ +----------------------------------------------+ + | +-----------------+ | | | + | | IVI-Application | | | +-----------+-----------+ | + | +-----------------+ | | | Gstreamer | | | + | ^ | Buffer -----------------------> (Decode) | | | + | wayland | +----------------------/ | +-----------+ | | + | v | | (Ethernet) | | Waltham-receiver | | + | +----+---------------------+ | | ----------------------------> | | + | | | Transmitter Plugin |<-----------------------------/ | +-----------------------+ | + | | | | | | Waltham-Protocol | ^ | + | | | +-------------------+ | | | wayland | | + | | | | waltham-renderer |------------+ | | v | + | | | |(gstreamer Encode) | | | +---------------------+ | + | | +-+-------------------+ | | | | | + | | | | | | WESTON | | + | | WESTON | | | | | | + | +------+-------------------+ | | +----------------+----+ | + | | | | | | + | v | | v | + | +------------+ | | +----------+ | + | | Display | | | | Display | | + | | | | | | | | + | +------------+ | | +----------+ | + +-----------------------------------------------------+ +----------------------------------------------+ + +```` + +###Build Steps + + +1. Prerequisite before building + + weston, wayland, waltham and gstreamer should be built and available. + +2. In waltham-receiver directory, create build directory + + $cd waltham-receiver + $mkdir build + $cd build/ + +3. Run cmake + + $cmake ../ + $cmake --build . + +4. waltham-receiver binary should be availaible in build directory + +###Configure pipeline +You can use gstreamer pipeline as you want by configuring from "pipeline_receiver.cfg". +This file should be in the folder "/etc/xdg/weston/". + +As an example, please refer to the example file named "pipeline_receiver_example*.cfg". + + -pipeline_receiver_example_general.cfg : Does not use any HW decoder. + -pipeline_receiver_example_intel.cfg : Use Intel's HW decoder. + -pipeline_receiver_example_rcar.cfg : Use Rcar's HW decoder. + +Rename file as "pipeline_receiver.cfg" and put in correct place when you use them. + +###Connection Establishment + +1. Connect two board over ethernet. + +2. Assign IP to both the boards and check if the simple ping works. + + For example:if transmitter IP: 192.168.2.51 and Waltham-Receiver IP: 192.168.2.52 then + + $ping 192.168.2.52 (you can also ping vice versa) + +3. Make sure that IP address specified in the weston.ini under [remote-output] matches the Waltham-Receiver IP. + +4. Make sure that IP address in pipeline.cfg on the transmitter side match the Waltham-Receiver IP. + +###Basic test steps + +1. Start weston at receiver side + + $weston & + +2. Run waltham-receiver + + $waltham-receiver -p < port_number > -v & + +3. Start weston with transmitter plugin at transmitter side, run application and put it on transmitter screen.You should see the application rendered on receiver display. + +Connection established -receiver side logs: + +```` +set_sigint_handler >>> + <<< set_sigint_handler +receiver_listen >>> + <<< receiver_listen +watch_ctl >>> + <<< watch_ctl +Waltham receiver listening on TCP port 34400... +receiver_mainloop >>> +receiver_flush_clients >>> + <<< receiver_flush_clients +listen_socket_handle_data >>> +EPOLLIN evnet received. +receiver_accept_client >>> +client_create >>> +watch_ctl >>> + <<< watch_ctl +Client 0xaaaadc4cde70 connected. + <<< client_create + <<< receiver_accept_client + <<< listen_socket_handle_data +```` |