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TDA4VM: Configure BT.656 on RTOS, but use DSS on Linux

Roman Milishchuk
Intellectual 300 points

Part Number: TDA4VM

Hi there,

We are using an ADV7393 converter to get the DPI0 video stream and convert it into CVBS.

It requires BT.656 for progressive video input and interlaced for RGB. And from what we’ve found on documentation of tidss support in linux processor sdk, neither is supported (https://software-dl.ti.com/jacinto7/esd/processor-sdk-linux-am68/09_00_00_06/exports/docs/linux/Foundational_Components/Kernel/Kernel_Drivers/Display/DSS7.html#driver-usage).

But such configuration can be done on processor sdk RTOS (https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1069078/tda4vm-how-to-config-dss-for-bt656).

Can we launch the RTOS on R5F cores, configure the DSS for BT.656 output, and stream the video from gstreamer Linux?

Thankfully,
Roman