normalizeChannelsNumber  159 modules/imgcodecs/src/grfmt_tiff.cpp             int wanted_channels = normalizeChannelsNumber(ncn);
normalizeChannelsNumber  223 modules/imgcodecs/src/grfmt_tiff.cpp         int wanted_channels = normalizeChannelsNumber(img.channels());
normalizeChannelsNumber  111 modules/imgcodecs/src/grfmt_tiff.hpp     int normalizeChannelsNumber(int channels) const;