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RTOS/DRA745: how to rotation display in vision sdk?

Part Number: DRA745


Tool/software: TI-RTOS

hello TI,

I use PROCESSOR_SDK_VISION_03_02_00_00 sdk, and usecase is Capture -> VPE_dei -> Display_Video.

my camera's resolution is 1280*720,and my LCD screen's resolution is 1920*1080. now ,I can preview 1080*720 camera image on my screen via VID2.

my camera's data format is 422sp. signle channel.

I want to rotation display 90 degree,and show a 720*1080 camera image.

I try to modify VID2_ATTRIBUTES register, as follows

    HW_WR_FIELD32_RAW(SOC_DISPC_BASE + DSS_DISPC_VID2_ATTRIBUTES, DSS_DISPC_VID2_ATTRIBUTES_ROTATION_MASK,
        DSS_DISPC_VID2_ATTRIBUTES_ROTATION_SHIFT, DSS_DISPC_VID2_ATTRIBUTES_ROTATION_ROT90);

But display abnormality.

I want to add a link to rotation the frame buffer,but i cannot found frame data process on vision_sdk/links_fw/src/rtos/links_ipu/

can you have any suggest?

where is the frame data process arithmetic?