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Rish Bhardwaj crearo

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Googler | Android Auto. All Things Android, Computer Vision, Video, and Camera.

crearo / Shader.java

Created June 8, 2017 04:54

Extremely helpful utility class for loading Shaders from resources and maintaining handles for OPENGL | ES 2

	package rish.crearo.imagestablization.camera;

	import android.content.Context;
	import android.opengl.GLES20;
	import android.util.Log;

	import java.io.ByteArrayOutputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.util.HashMap;

crearo / gstreamer-recording-dynamic-from-stream.c

Last active December 14, 2023 22:03

Example of dynamic recording of a stream received from udpsrc.

	#include <string.h>
	#include <gst/gst.h>
	#include <signal.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <stdio.h>

	// udpsrc port=8554 caps="application/x-rtp, media=(string)video, clock-rate=(int)90000, width=(int)720, height=(int)480, encoding-name=(string)H264, payload=(int)96" !
	// rtpjitterbuffer name=rtpjitbuff ! rtph264depay !
	// tee name=t t. ! avdec_h264 ! appsink name=sink sync=false

crearo / gstreamer-recording-dynamic.c

Last active January 17, 2024 18:26

Example of dynamic pipeline in Gstreamer (recording + display). Stop recording at will by hitting ctrl+c.

	#include <string.h>
	#include <gst/gst.h>
	#include <signal.h>
	#include <unistd.h>
	#include <stdlib.h>
	#include <stdio.h>

	// v4l2src ! tee name=t t. ! x264enc ! mp4mux ! filesink location=/home/rish/Desktop/okay.264 t. ! videoconvert ! autovideosink

	static GMainLoop *loop;

crearo / gstreamer-tee-recording-and-display.c

Created March 20, 2017 11:47

Example of tee in gstreamer. recording + display.

	#include <string.h>
	#include <gst/gst.h>
	#include <signal.h>
	#include <unistd.h>
	#include <stdlib.h>

	// v4l2src ! tee name=t t. ! x264enc ! mp4mux ! filesink location=/home/rish/Desktop/okay.264 t. ! videoconvert ! autovideosink

	static GMainLoop *loop;
	static GstElement pipeline, src, tee, encoder, muxer, filesink, videoconvert, videosink, queue_record, queue_display;

crearo / gstreamer-recording.c

Created March 20, 2017 09:45

A Gstreamer example using GstElements to record a v4l2src stream.

	#include <string.h>
	#include <gst/gst.h>
	#include <signal.h>
	#include <unistd.h>
	#include <stdlib.h>

	// gst-launch-1.0 v4l2src ! x264enc ! mp4mux ! filesink location=/home/rish/Desktop/okay.264 -e
	static GMainLoop *loop;
	static GstElement pipeline, src, encoder, muxer, *sink;
	static GstBus *bus;

crearo / StackWithMinMax.java

Created July 28, 2016 18:55

A data structure with getMax(), getMin() in O(1) time

	public class StackWithMinMax extends Stack<Integer> {

	private Stack<Integer> minStack;
	private Stack<Integer> maxStack;

	public StackWithMinMax () {
	minStack = new Stack<Integer>();
	maxStack = new Stack<Integer>();
	}

crearo / EightQueens.java

Created July 26, 2016 21:42

A simple implementation of the 8 queens problem - recursive backtracking.

	import java.awt.Point;

	public class EightQueens {

	/**
	* @param args
	*/
	public static void main(String[] args) {

	boolean board[][] = new boolean[8][8];

crearo / sugar_orm_example.java

Created May 9, 2016 12:24

Sugar ORM Example

	import android.util.Log;

	import com.orm.SugarRecord;
	import com.orm.query.Condition;
	import com.orm.query.Select;
	import com.orm.util.NamingHelper;

	/**
	* Created by rish on 6/5/16.
	* This is an example of how to use SugarORM (https://github.com/satyan/sugar) - a brilliant lightweight sql handler for Android

crearo / foreignKeyFlaskAlchemy.py

Last active May 8, 2024 23:12

A flask sqlalchemy database with foreign key references and integrity constraints

	from flask import Flask, jsonify, request, make_response
	from flask.ext.httpauth import HTTPBasicAuth
	from flask_sqlalchemy import SQLAlchemy
	from flask import render_template, redirect, url_for
	from sqlalchemy import UniqueConstraint, exc

	app = Flask(__name__)
	app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///memes.db'
	app.config['SECRET_KEY'] = 'HALO'

crearo / loadBooks.py

Created April 17, 2016 19:54

	lines = tuple(open("Books", "r"))

	for line in lines:
	print line.split(';')[0]


	count = 0
	for item in finalitems:
	print '{"ISBN":"' + item[0] + '",'+ '"place":"' + item[2] + '","accesionNumber":"' + item[1] + '"}'
	count += 1