Question with Y4M file headers

Hi,

Is the Y4M output file creation correct, when I tested to create a 10bit y4m output, the header seems to be having wrong information for example,

head -1 test_stream.y4m

YUV4MPEG2 W3840 H2160 F50:1 Ip

it does not specify 10bit details,

I was testing to create y4m based on config file from a TIFF source(which is converted from j2k to TIFF)

From quick look on the codebase it looks like if we feed yuv file, then the headers might be generated properly, but if we feed tiff source, it would try to have a generic header, I am not sure if I am understanding correctly?

Or should I stick to do Y4M externally with FFmpeg after converting the PQ source to yuv420p10 via HDRConvert?