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Questions tagged [decoding]

Decoding is the reverse of encoding.

Decoding is the reverse of , which is the process of transforming information from one format into another understandable by a receiver. In communication theory and coding theory, decoding is the process of translating received messages into codewords of a given code. Like encoding, decoding applies to information of various forms:

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Convert a String, which is already malformed

I have a class, which uses another class which reads a Textfile. The Textfile is written in Ascii or to be clear CP1525. Background info: The Textfile is generated in Axapta and uses the ASCIIio class which writes the text by using the writeRaw…
Bongo
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Removing encoded text from strings read from txt file

Here's the problem: I copied and pasted this entire list to a txt file from https://www.cboe.org/mdx/mdi/mdiproducts.aspx Sample of text lines: BFLY - The CBOE S&P 500 Iron Butterfly Index BPVIX - CBOE/CME FX British Pound Volatility Index BPVIX1 -…
Dr.Tautology
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Relation between size and video quality of I, B and P frames

Could one make some general assumptions about size and perceived quality with regards to I, B and P frames. My first presumption would be something like: Quality(I) > Quality(B) > Quality(P) and Size(I) > Size(B) > Size(P) By Size I mean the frame…
holzkohlengrill
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What is the first sign at that Lempel-Ziv-Codierung

I know what the second and the third sign mean at <0|0|A> but what means the first?? Why is the first sigh 7 at the last group(<7|1|#>)?? With frindly wishes sniffi
sniffi
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Audio MP2 encoding and decoding producing half data C++ and FFMPEG

I have 16 bit PCM data with stereo setup which I grab from a microphone. Once I get the data I encode it using the following encoder settings AVCodec* audio_codec = avcodec_find_encoder(AV_CODEC_ID_MP2); AVCodecContext* audio_codec_ctx =…
hockeyislife
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How to check if my video is decodable using OpenImaj?

I'm using the OpenImaj library in Java for my project and i would like to know if there is a way to check if a video is decodable when opened with XuggleVideo ? Because i need to create my own exception class in my project and to do that i need to…
Ali CHERIFI
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How to extract pdf text from BT and ET section line by line and how to decode Tj block to unicode in pdfbox

As the title, I have the special requirement to extract text line by line or block by block of BT and ET. below is the pdf content, I tried PDFTextstripper class, but it is not what I want, so any one has the solution to resolve the problem? I wanna…
陳駿豪
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encrypting / shortening a long string in JS

I need to shorten a long string with a variable length and "decode" it back later on. The string will be built up like this 0011010011 ........ etc. My problem right now is that the string will be over a thousand characters long which is far far too…
Jesse van der Pluijm
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Tornado JSON output new line each data instead of each character

I cant get to output the json data accordingly. Instead it outputs each character new line. Code: import tornado.web import tornado.ioloop import tornado.httpserver from tornado.escape import json_encode class Handler(tornado.web.RequestHandler): …
Mezzan
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Base64 encoding and decoding apache commons

I am note sure what is wrong with the below code. I am trying to encode an JPG file with base64 encoding. After encoding i am checking is it base64 encoded, it returns false. I am unable to find what is that I am missing. public String …
AKV
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Java Base64 Decoding/Encoding rountrip doesn't come up with same result

import org.junit.Test; import java.util.Base64; import org.junit.Assert.*; import java.util.Random; ... @Test public void testEncoding(){ byte[] data = new byte[32]; new Random().nextBytes(data); String base64 =…
theTobias
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base64 decode/encode inconsistency

I'm attempting to reverse engineer an application of base64 encoding which is utilised by a third party project, so I can create a custom UI. My method has been successful with one example but appears to not quite be hitting the mark in other…
user4807122
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How to write java code for To_bytes function of Teradata

I cam across a situation where, I have to write a java code for the teradata function called To_Bytes. I have to write the function which will works exactly same as To_Bytes in tera data. From teradata doc. To_Bytes Decodes a sequence of characters…
subodh
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Decode HTML from XML with NewLine

First I parse XML and retrieve this: <p><strong>Berns Salonger - the City's The I decode it with MWFeedParser (stringByDecodingHTMLEntities) and retrieve this:

Berns Salonger - the City's Ideal Meeting Place…

Fernando Redondo
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JSON decode string in PHP (array of arrays) Special characters

So I have this issue when converting a JSON string to a PHP array. The data is sent via HTTP POST so I'm aware there may be some decoding needed. Could anyone lay an insight on how I would use json_decode() in PHP to convert this string to an…
Lewis Smallwood
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