[MOD] Nexus 7 720p Video Recording

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armyboy11b

armyboy11b

Senior Member
Feb 10, 2012
2,687
930
new orleans
stranded.eu said:
Hey! Is there anyway to get root on Nexus 7 without deleting all the data and unlocking the bootloader? This is the only feature that I care about and I need to root it somehow without backing up my data on the tablet.

Also if anyone is seeking for a workaround for 1280x720 videos... lgCamera app works great, however the recording preview lags and is stretched out but the final video is still 720p and works fine.
Click to expand...
Click to collapse

Wow

Sent from my Nexus 7 using XDA Premium 4 mobile app
 
iarejohnsmith

iarejohnsmith

Senior Member
Mar 10, 2012
138
15
On SlimKat 4.4.3 Weekly, and mod does not work. Weird. :confused:
Flashed it and the camera settings still only has 480p. Anyone know what the issue is?

EDIT: Flashed version by osm0sis, and it worked! At least for a while...
Now the camera app just keeps FCing lol. Oh well. Wasn't gonna record too much video on this old N7 anyways.
 
Last edited:
W

wildpig1234

Senior Member
May 31, 2008
254
9
I tried to modify the media_profiles.xml to lower the bitrate on my samsung s4 but it still records at high bit rate. Anyone got idea why? thanks
 
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  • 149
    hillbeast
    hillbeast
    So I just got 720p video recording working on my Nexus 7 and felt you guys should know about this too. It's a simple fix as it's not a limitation of hardware or a kernel function or anything, rather it's just Google didn't add the media profile for 720p to tell it how to use 720p.

    What firmware does this need?

    It doesn't matter. If you're on the original N7 firmware or the latest builds from Google, it still works just fine. I'm now on JOP40C and it works just fine. One update.zip fits all. I do suggest keeping your original file as a backup though as it plays up with OTA updates if you have this mod installed.

    You don't need to install this if you are running a CM based firmware (CM10, etc) as I have pushed the patch to the CM repositories and it will be preloaded on your Nexus 7. And no, it's not them stealing credit, I pushed the patch to them.


    Download Link

    Update.zip: http://d-h.st/8Cw

    Video For Your Delectation

    View
    16
    osm0sis
    osm0sis
    osm0sis said:
    media_profiles.xml got updated with JOP40C. hillbeast will have to update the OP with new files. ;) :good:
    Click to expand...
    Click to collapse
    hillbeast said:
    No need. Works fine. Tested it myself and it works fine with no negative ramifications.
    Click to expand...
    Click to collapse


    Here is what changed between JZO54K and JOP40C. Just 3 lines with a higher min framerate for the video codecs. Nothing extreme I guess, but could improve the encoding quality just slightly.

    Attached are recovery flashable zips of your patched xml altered to reflect the JOP40C changes, and the Undo to revert back to 4.2 stock. JOP40D, JDQ39, and JWR66V are still exactly the same as this.

    Edit: All stock KitKat builds also still have the same codec file as JOP40D.

    [ Attachments removed since all custom ROMs now contain these fixes ]
    View
    7
    hillbeast
    hillbeast
    DZonikg said:
    I have paranoid rom installed and there is 720p recording and it works out of the box, is this same like that or this is maybe better.
    Sent from my Nexus 7 using xda app-developers app
    Click to expand...
    Click to collapse

    The 720p recording in all the ROMs now is because I submitted this page to CM. Any CM ROM has this mod now.

    Sent from my Galaxy S2
    View
    6
    rushter
    rushter
    Nexus 7 720p Camera Instructions - no PC needed (rooted users only)

    hillbeast said:
    So I just got 720p video recording working on my Nexus 7 and felt you guys should know about this too.
    Click to expand...
    Click to collapse

    720p video picture

    Here are my instructions to do this without using a PC(for rooted users):
    I used ES File Expolorer (nice program available in the play store)
    1- Open ES File Explorer and head to /system/etc/
    2- Find the file media_profiles.xml and copy it (long press the file and select copy from the menu)
    3- Go into any other directory and paste it there (temporarily)
    4- Go back to the /system/etc/ directory again and rename the media_profiles.xml to media_profiles.xml.old and save it (long press the file and select rename from the menu
    5- Now go back to the directory you copied the file to and long press it. When the menu comes up select cut and go to the /system/etc directory and hit paste up at the top
    6- Now just click on the file you just pasted and a list of editors will pop up.
    7- Select ES Note Editor (it comes with ES File Explorer) and locate the section in the file where it says
    Code: 
        <EncoderProfile quality="480p" fileFormat="3gp" duration="30">
      <Video codec="h264"
             bitRate="4000000"
             width="640"
             height="480"
             frameRate="30" />

      <Audio codec="aac"
             bitRate="96000"
             sampleRate="44100"
             channels="1" />
    </EncoderProfile>

    8- Add this code right after
    Code: 
        <EncoderProfile quality="720p" fileFormat="3gp" duration="30">
      <Video codec="h264"
             bitRate="16000000"
             width="1280"
             height="720"
             frameRate="30" />

      <Audio codec="aac"
             bitRate="128000"
             sampleRate="48000"
             channels="1" />
    </EncoderProfile>
    9- Once added click the back button on the bottom and a menu will show up on the bottom that asks you to save click that.
    10- Long press the file you just saved and select Properties at the bottom and make sure you give it the correct permissions (rw-r--r-- or chmod 644) by clicking the change button. There should be 4 check marks on that screen User read, User write, Group read, Other read. Click ok and ok again to save it.
    11- Reboot and enjoy.
    Don't thank me for this - thank hillbeast. If my instructions helped you then thank me too. Lol.



    Thanks hillbeast - I also noticed that you cannot take a screenshot while in the camera program - gives you a sd card storage in use error. So I took this with my SGS2.
    View
    4
    ogdobber
    ogdobber
    hey hillbeast, post this one, I credited you in the updater-script
    goo.im- http://tinyw.in/udKH
    or from dev-host-http://d-h.st/hmD
    View

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