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  1. W

    Yi 4k+ bitrate mod and firmware unpacker.

    1.4.4 has just been released, addressing : 1. Added preview grid line for capturing and recording; 2. Improved sd card optimization function; Just uploaded firmware dumps to github
  2. W

    Yi 4k+ bitrate mod and firmware unpacker.

    They now released beta 1.4.3 and official 1.3.29, both for yi4k+. The first one is specially made to control and sync more cameras from one
  3. W

    Yi 4k+ bitrate mod and firmware unpacker.

    Later I will update the fw toolkit to also dump where every string passed though the log function is referenced in the code
  4. W

    Yi 4k+ bitrate mod and firmware unpacker.

    It was too long to include here, so here the link https://github.com/wavepacket0/Xiaomi_Yi_4k_Plus/blob/master/research/function_names_1.3.11.txt This is the internal function names dump, in which you can find AmpEnc_SetSystemClock also. Just go where the dumped k_assert address is and rename...
  5. W

    Yi 4k+ bitrate mod and firmware unpacker.

    awesome find irungentoo!! I'll try to contribute a bit now, maybe it gets finding other things easier ;) Here is the function you are patching, the pseudo c code with some renamed functions : Yes, it isnt just luck, this function is called AmpEnc_SetSystemClock, it relies on an internal...
  6. W

    Yi 4k+ bitrate mod and firmware unpacker.

    Really good work on the recent findings! Okay I'll take a closer look to the rtos log too ;) Regarding the recent irungentoo findings about framerate, shutter, I made some nice structs in order to better understand and to be later added in my Fw toolkit. Framerate mod Looking at the 1080p...
  7. W

    Yi 4k+ bitrate mod and firmware unpacker.

    Dont know about irungentoo (are you using objdump?, so an offline (not runtime) disassembling approach?) but I'm using IDA Pro with its ARM decompiler, so I can disassemble and take a look at the C pseudocode. Been struggling a bit due to the fact Im not that used with ARM opcodes, Im way more...
  8. W

    Yi 4k+ bitrate mod and firmware unpacker.

    Yes tried it too and it's working fine. Managed to get a more complete commands list dump, including all shell, t, t app, t ants commands
  9. W

    Yi 4k+ bitrate mod and firmware unpacker.

    I'm happy too, we can work together on this :) managed to get a shell command dump, you can find it in the repo. There you will find all main commands the autoexec.ash script takes, like t, savebin etc. There's also loadbin :whistle: t ants save_log on : dumps the RTOS internal log to SD. Add...
  10. W

    Yi 4k+ bitrate mod and firmware unpacker.

    forked your repo @irungentoo , added few things to the unpacker (now a little toolkit) such as a table dumper and command dumper (still have to clean the code for it, added a txt with many dumped commands) repo : https://github.com/wavepacket0/Xiaomi_Yi_4k_Plus just thinking, maybe it is too...
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