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-Transmitter plugin
-
-The current implementation of Transmitter is a stub which interfaces to
-other Weston parts appropriately, but all networking is just a mockup.
-
-Sections in this file describe:
-- How to build
-- How to write weston.ini
-- How to test
-
-How to build
-============
-Configure Weston with --enable-surface-remoting to build the Transmitter
-plugin.
-
-How to write weston.ini
-=======================
-To load transmitter plugin to weston, add 'transmitter.so' to the 'modules'
-key under '[core]', and make sure the 'shell' is 'ivi-shell.so'.
-
-The destination of remoting is configured in weston.ini.
-Add output name, server address, port number, output's width and height key
-under '[remote-output]'.
-You can speficy multiple [remote-output].
-
-In details, see 'weston.ini.transmitter'.
-
-How to test
-===========
-You can use server side test application in waltham-server directory.
-
-If you set 'WALTHAM_DEBUG=1' to your environment valuable, you can
-see the log like this:
-
- [13:24:08.345] Loading module '/usr/lib64/weston/transmitter.so'
- [13:24:08.345] Registered plugin API 'transmitter_v1' of size 88
- [13:24:08.345] Registered plugin API 'transmitter_ivi_v1' of size 16
- [13:24:08.345] Transmitter initialized.
- [13:24:08.345] Loading module '/usr/lib64/libweston-2/waltham-renderer.so'
- [13:24:08.352] gst-setting are :-->
- [13:24:08.352] ip = 192.168.2.52
- [13:24:08.352] port = 34400
- [13:24:08.352] bitrate = 3000000
- [13:24:08.352] crop = 384 x 368
- [13:24:08.352] width = 1920
- [13:24:08.352] width = 1080
- [13:24:08.531] open media device: platform:fe960000.vsp (fe960000.vsp)
- [13:24:08.532] input pad setup ('fe960000.vsp rpf.0 input':'/dev/video0')
- [13:24:08.533] output pad setup (fe960000.vsp wpf.0 output:/dev/video5)
- [13:24:08.533] vsp-device '/dev/media0' created
- [13:24:08.533] gst_recorder_create (1920x1080) crop 384x368 at 0,0
- [13:24:08.533] gst_pipeline: starting: appsrc name=src ! omxh264enc target-bitrate=3000000 control-rate=2 no-copy=k
- [13:24:08.582] goot 1 pools
- [13:24:08.583] pool settings size 211968, min 5, max 5
- [13:24:08.583] gst_recorder_create done
- [13:24:08.583] [gst recorder] transmitter-192.168.2.52:34400-1: recorder initialized
- [13:24:08.583] Transmitter weston_seat 0x15424630
- [13:24:08.583] Transmitter created pointer=0x15625df0 for seat 0x15424630
- [13:24:08.583] Transmitter created keyboard=0x154247c0 for seat 0x15424630
- [13:24:08.583] Transmitter created touch=0x15625f10 for seat 0x15424630
-
-The connection is established, you can see following debug messages:
-
- debug: wth_connection_insert_new_object: new object id: 1
- debug: wth_connection_insert_new_object: new object id: 2
- 2018-01-09T13:24:22Z 00001000030000000100000002000000 wth_display_get_registry
- debug: wth_connection_insert_new_object: new object id: 3
- 2018-01-09T13:24:22Z 00001000020000000100000003000000 wth_display_sync
- debug: Message received on conn 0x15572730: (9) 40 bytes
- debug: wthp_registry_send_global(2, 1, [variable type const char *], 4) (opcode 9) called.
- debug: wth_connection_insert_new_object: new object id: 4
- 2018-01-09T13:24:22Z 00002c000800000002000000010000000400000010000000777468705f636f6d706f7369746f720001000000 wthpd
- debug: Message received on conn 0x15572730: (9) 48 bytes
- debug: wthp_registry_send_global(2, 1, [variable type const char *], 1) (opcode 9) called.
- debug: wth_connection_insert_new_object: new object id: 5
- 2018-01-09T13:24:22Z 000034000800000002000000010000000500000015000000777468705f6976695f6170706c69636174696f6e00010d
- debug: Message received on conn 0x15572730: (9) 44 bytes
- debug: wthp_registry_send_global(2, 1, [variable type const char *], 4) (opcode 9) called.
- debug: wth_connection_insert_new_object: new object id: 6
- 2018-01-09T13:24:22Z 000030000800000002000000010000000600000012000000777468705f626c6f625f666163746f72790001000000 d
- debug: Message received on conn 0x15572730: (9) 36 bytes
- debug: wthp_registry_send_global(2, 1, [variable type const char *], 4) (opcode 9) called.
- debug: wth_connection_insert_new_object: new object id: 7
- 2018-01-09T13:24:22Z 00002800080000000200000001000000070000000a000000777468705f736561740001000000 wthp_registry_bid
- debug: Message received on conn 0x15572730: (11) 16 bytes
- debug: wthp_callback_send_done(3, 0) (opcode 11) called.
-
-Start remoting :
-- Start an IVI application.
-- Put surface on transmitter output
-
-Example command
- $weston-simple-egl &
- $LaygeManagementControl get scene
- -> Please check connector name of transmitter output
- $layer-add-surfaces -d [transmitter output name] -s 1 -l 1
-
-Weston log will indicate remoting has started:
-
-[13:18:24.572] HMI transmitting surface 0x1c3dad0, ivi-id 0x9ff6
-[13:18:24.572] Transmitter: update surface 0x1c3dad0 (0, 0), 0 cb
-[13:18:24.572] transmitter_surface_set_ivi_id(0x1c3dad0, 0x9ff6)
-[13:18:24.972] Transmitter: surface 0x1c3dad0 entered output transmitter-0.0.0.0:66-1 \ No newline at end of file