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vim how to install vim-grammarous plugin ( grammar check ) 5/5 (2)

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vim has a grammar check plugin https://github.com/rhysd/vim-grammarous How to install vim-grammarous? it uses new vim 8+ plugin mechanism, so we can easily install it by: mkdir -p ~/.vim/pack/bundle/start cd ~/.vim/pack/bundle/start git clone https://github.com/rhysd/vim-grammarous   The first time you run the: GrammarousCheck in the vim, it will auto download the languagetool (java jar) etc. How to • Read More »

H.264 profile-level-id, packetization-mode, NAL, I-frame, I-slice 5/5 (3)

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H.264 profile-level-id in sdp: profile-level-id = 428014  ( remember SDP use hex, wiki/h264 they use decimal ) profile_idc 0x42 == 66 so it is Baseline profile profile-iop 0x80 mean constraint_set0_flag=1 (so it is Constrained Baseline profile) and others 0 level-idc 0x14 == 20 so it is Level 2.0 https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC described the details of h264 profile, level. Profiles • Read More »