Distribution of TU sizes over the I frame in X265 code

I am a phd student from Lorraine university and I am working in HEVC encoding standard using your solution x265 to analyze and encode full HD medical videos.

I need to know the histogram of quantified DCT coefficient (m_trCoeff) after coding this type of medical video. So, can you help me in finding the distribution of TU sizes over the I frame in X265 code. In which class and function can I find this information? Until now, I found the different CTU coefficient (ctu->m_trCoeff) after transformation and quantization in "encodeSlice()" of "frameencoder.cpp" and nothing about the distribution of TU sizes.

Thank you in advance! Amine Chaabouni

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