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Monday, September 19, 2016

HD motion like TV in Linux

Are you a movie lover? Do you like to watch movie in TV? Do you like HD motion like Motionflow by Sony? If you like all those then the following post is for you.

First you need to know what we will going to do here. FULL HD TV has a dedicated hardware to increase the frame rate(fps) upto 120-240fps. Computer or laptop doesn't have this hardware but with a powerful CPU/GPU and 60HZ(at least) monitor you can increase the frame rate to 60fps. This technology is called frame interpolation. The effect is quite amazing.

Thanks to SVP project which make it easier in Linux. Following hardware and software are required.

  • Core2DUO or more powerful CPU
  • At least 60HZ monitor
  • svp version 4
  • mpv media player 
Download and install svp 4 for linux here. Run the following command in terminal to install mpv media player.


sudo add-apt-repository ppa:djcj/vapoursynth 
sudo apt-get update 
sudo apt-get install mpv vapoursynth

You are done. To play a file, open SVP manager, Go to Main menu > open file.

To get the better effect choose the following settings in SVP manager

  • Select animation mode not film
  • Select artifacts medium/high
  • Select quality as high as possible
  • Application settings > additional options > processing thread = 11


You should adjust those values and check performance to get the optimal settings.

Sunday, October 25, 2015

How to speed up Moto G for better performance

Moto G is the only budget phone avaiable which provides great performance and user experience. But after the arrival of Lollipop, Moto G seems slower than Kitkat. Follow these steps to speed up your favorite Moto G even faster than Kitkat.

Step 1:
Uninstall all kind of task killer and battery saver applications.

Step 2:
Go to System > Developer options and set Animation scale .5x for Window animation scale, Transition animation scale and Animation duration scale.

Step 3:
Disable "Don't keep activities" and set standard limit for Background process limit in developer options.

Step 4:
Disable following useless application. Go to System > Apps > All. Click on a application and click disable button.

Android Live wallpapers, Assist, Bubbles, Cloud Print, Email, Google Play Newsstand, Google Text-to-speech Engine, Help, Hp print service plug in, Market feedback agent, Motorola Check in, Motorola Migrate, Music Visualization Wallpapers, Quick office, Rescue, Talk back, Trusted Face.

Step 5:
Uninstall unused applications.

Finally restart the phone. After restart your phone's performance must increase 20-30%.

 

Monday, April 20, 2015

Fix bumblebee Error: Cannot access secondary GPU

To fix the problem you have to reinstall bumblebee. Also you have to remove ppa:xorg-edgers/ppa first.

Step 1: remove bumblebee if you have installed.
sudo apt-get --purge bumblebee
sudo apt-get autoremove


Step 2: remove ppa:xorg-edgers/ppa
sudo apt-get install ppa-purge
sudo ppa-purge ppa:xorg-edgers/ppa


Step 3: upgrade system. It's necessary.
sudo apt-get upgrade



Step 4: add bumblebee repository. If you are running Ubuntu 14.04 or 13.10 then avoid this step
sudo apt-add-repository ppa:bumblebee/stable



Step 5: install bumblebee and nvidia-331 (stable)
sudo apt-get install bumblebee nvidia-331



Step 6: reboot the system immediately
sudo reboot



Now check bumblebee using following command:
optirun firefox



If you want add latest nvidia driver then follow these steps.

Step1: add repository
sudo apt-add-repository  ppa:xorg-edgers/ppa
sudo apt-get update 



Step2: upgrade system. It's necessary
sudo apt-get upgrade



Step3: install latest nvidia driver
sudo apt-get install nvidia-349


Thursday, April 16, 2015

How to fix intel video tearing in ubuntu

In Ubuntu 14.04 with Haswell-ULT Integrated Graphics Controller I found video tearing issue. But good news is it can be solved quickly without installing a new driver or something.

Step 1: create a directory

sudo mkdir -p /etc/X11/xorg.conf.d

Step 2: create a file named 20-intel.conf

sudo gedit /etc/X11/xorg.conf.d/20-intel.conf

Step 3: paste the following text into this file and save

Section "Device"
    Identifier "Intel Graphics"
    Driver "Intel"
    Option "TearFree" "true"
    Option "AccelMethod" "sna"
EndSection

Step 4: restart system

sudo reboot