02_video_dec_cuda with text overlay, there is a black rectangle block on the left-top

Dear Sir:

when I use the sample 02_video_dec_cuda to add text overlay there will be a black rectangle on the left-top. Command as below.

sudo ./video_dec_cuda …/…/data/Video/sample_outdoor_car_1080p_10fps.h264 H264 --disable-rendering -o 1080_render.nv12 --display-text hello


It is the result of CUDA post processing. You can look at the code in


For simple video decoding, please try 00_video_decode sample.

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