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The captured image is black when debuging the tw9990

Question asked by tang yuan on Sep 7, 2016
Latest reply on Sep 20, 2016 by Joan Xie


    I am debuging the tw9990. Tw9990 is PAL/NTSC to BT656.I use mxc_v4l2_tvin.c to test tw9990 and the captured image is black.It is the log information.


  Can you anyone help me .