Disp Q&A
Q: How to scale and rotate the output image?
Use DIVP module to complete.
Code process: YUV422/NV12 → DIVP CHN0(scaling down/up) → DIVP CHN1(rotate) → DISP
The DIVP module supports time-sharing multiplexing. To achieve scaling + rotation, you need to create two channels, one for scaling, one for rotation, and the two channels are linked by sys bind interface. Reference divp_init.c .c).
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