Yushin Cho

Tip for building inspect.js and inspect.wasm

6

From my triage on Mac OS (10.14.4, Mojave) and Uuntu 18.04, there two tips were required to successfully build inspect.js and inspect.wasm with Emscripton, based on the guides at https://aomedia.googlesource.com/aom/#emscripten-builds....

Sharing inspect.js

4

[inspect.wasm.gz](https://github.com/xiph/aomanalyzer/files/4685593/inspect.wasm.gz) [inspect.js.gz](https://github.com/xiph/aomanalyzer/files/4685594/inspect.js.gz)

Frame # on bin of histogram is off by -1.

Bitstream analyzer does not show correct frame # for I frames from 2nd I frame.

1

Hmm strange... you may want to check this... the stream ananlyer seems showing the frame # for 2nd I frame incorrectly. For ex, with Kimono, I gave -k 24 (key...

Skip applying high frequency DCT basis for larger size DCTs.

3

If the coefficients in high frequency subbands are not coded by PVQ (for lossy mode), then we can even skipping applying high frequency DCT basis. For example, for 64x64 DCT,...

mv candidates in BMA for multi-ref prediction should only include the same ref mvs.

4

I found this bug in my bi-pred work, and expect fixing this bug will help improving the lost coding gain of muti-ref as well! Specifically, inside the function od_mv_est_init_mv(), whenever...