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Des sites réalisés avec MediaSPIP
2 mai 2011, parCette page présente quelques-uns des sites fonctionnant sous MediaSPIP.
Vous pouvez bien entendu ajouter le votre grâce au formulaire en bas de page. -
Participer à sa traduction
10 avril 2011Vous pouvez nous aider à améliorer les locutions utilisées dans le logiciel ou à traduire celui-ci dans n’importe qu’elle nouvelle langue permettant sa diffusion à de nouvelles communautés linguistiques.
Pour ce faire, on utilise l’interface de traduction de SPIP où l’ensemble des modules de langue de MediaSPIP sont à disposition. ll vous suffit de vous inscrire sur la liste de discussion des traducteurs pour demander plus d’informations.
Actuellement MediaSPIP n’est disponible qu’en français et (...) -
List of compatible distributions
26 avril 2011, parThe table below is the list of Linux distributions compatible with the automated installation script of MediaSPIP. Distribution nameVersion nameVersion number Debian Squeeze 6.x.x Debian Weezy 7.x.x Debian Jessie 8.x.x Ubuntu The Precise Pangolin 12.04 LTS Ubuntu The Trusty Tahr 14.04
If you want to help us improve this list, you can provide us access to a machine whose distribution is not mentioned above or send the necessary fixes to add (...)
Sur d’autres sites (10420)
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Revision 30148 : On pousse encore un peu plus loin la conf (toujours pas utilisable dans ...
24 juillet 2009, par kent1@… — LogOn pousse encore un peu plus loin la conf (toujours pas utilisable dans l’état)
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Data Privacy in Business : A Risk Leading to Major Opportunities
9 août 2022, par Erin — PrivacyData privacy in business is a contentious issue.
Claims that “big data is the new oil of the digital economy” and strong links between “data-driven personalisation and customer experience” encourage leaders to set up massive data collection programmes.
However, many of these conversations downplay the magnitude of security, compliance and ethical risks companies face when betting too much on customer data collection.
In this post, we discuss the double-edged nature of privacy issues in business — the risk-ridden and the opportunity-driven.
3 Major Risks of Ignoring Data Privacy in Business
As the old adage goes : Just because everyone else is doing it doesn’t make it right.
Easy data accessibility and ubiquity of analytics tools make data consumer collection and processing sound like a “given”. But the decision to do so opens your business to a spectrum of risks.
1. Compliance and Legal Risks
Data collection and customer privacy are protected by a host of international laws including GDPR, CCPA, and regional regulations. Only 15% of countries (mostly developing ones) don’t have dedicated laws for protecting consumer privacy.
State of global data protection legislature via The UN Global legislature includes provisions on :
- Collectible data types
- Allowed uses of obtained data
- Consent to data collection and online tracking
- Rights to request data removal
Personally identifiable information (PII) processing is prohibited or strictly regulated in most jurisdictions. Yet businesses repeatedly circumnavigate existing rules and break them on occasion.
In Australia, for example, only 2% of brands use logos, icons or messages to transparently call out online tracking, data sharing or other specific uses of data at the sign-up stage. In Europe, around half of small businesses are still not fully GDPR-compliant — and Big Tech companies like Google, Amazon and Facebook can’t get a grip on their data collection practices even when pressed with horrendous fines.
Although the media mostly reports on compliance fines for “big names”, smaller businesses are increasingly receiving more scrutiny.
As Max Schrems, an Austrian privacy activist and founder of noyb NGO, explained in a Matomo webinar :
“In Austria, my home country, there are a lot of €5,000 fines going out there as well [to smaller businesses]. Most of the time, they are just not reported. They just happen below the surface. [GDPR fines] are already a reality.”
In April 2022, the EU Court of Justice ruled that consumer groups can autonomously sue businesses for breaches of data protection — and nonprofit organisations like noyb enable more people to do so.
Finally, new data privacy legislation is underway across the globe. In the US, Colorado, Connecticut, Virginia and Utah have data protection acts at different stages of approval. South African authorities are working on the Protection of Personal Information Act (POPI) act and Brazil is working on a local General Data Protection Law (LGPD).
Re-thinking your stance on user privacy and data protection now can significantly reduce the compliance burden in the future.
2. Security Risks
Data collection also mandates data protection for businesses. Yet, many organisations focus on the former and forget about the latter.
Lenient attitudes to consumer data protection resulted in a major spike in data breaches.
Check Point research found that cyberattacks increased 50% year-over-year, with each organisation facing 925 cyberattacks per week globally.
Many of these attacks end up being successful due to poor data security in place. As a result, billions of stolen consumer records become publicly available or get sold on dark web marketplaces.
What’s even more troublesome is that stolen consumer records are often purchased by marketing firms or companies, specialising in spam campaigns. Buyers can also use stolen emails to distribute malware, stage phishing and other social engineering attacks – and harvest even more data for sale.
One business’s negligence creates a snowball effect of negative changes down the line with customers carrying the brunt of it all.
In 2020, hackers successfully targeted a Finnish psychotherapy practice. They managed to steal hundreds of patient records — and then demanded a ransom both from the firm and its patients for not exposing information about their mental health issues. Many patients refused to pay hackers and some 300 records ended up being posted online as Associated Press reported.
Not only did the practice have to deal with the cyber-breach aftermath, but it also faced vocal regulatory and patient criticisms for failing to properly protect such sensitive information.
Security negligence can carry both direct (heavy data breach fines) and indirect losses in the form of reputational damages. An overwhelming 90% of consumers say they wouldn’t buy from a business if it doesn’t adequately protect their data. This brings us to the last point.
3. Reputational Risks
Trust is the new currency. Data negligence and consumer privacy violations are the two fastest ways to lose it.
Globally, consumers are concerned about how businesses collect, use, and protect their data.
- According to Forrester, 47% of UK adults actively limit the amount of data they share with websites and apps. 49% of Italians express willingness to ask companies to delete their personal data. 36% of Germans use privacy and security tools to minimise online tracking of their activities.
- A GDMA survey also notes that globally, 82% of consumers want more control over their personal information, shared with companies. 77% also expect brands to be transparent about how their data is collected and used.
When businesses fail to hold their end of the bargain — collect just the right amount of data and use it with integrity — consumers are fast to cut ties.
Once the information about privacy violations becomes public, companies lose :
- Brand equity
- Market share
- Competitive positioning
An AON report estimates that post-data breach companies can lose as much as 25% of their initial value. In some cases, the losses can be even higher.
In 2015, British telecom TalkTalk suffered from a major data breach. Over 150,000 customer records were stolen by hackers. To contain the issue, TalkTalk had to throw between $60-$70 million into containment efforts. Still, they lost over 100,000 customers in a matter of months and one-third of their company value, equivalent to $1.4 billion, by the end of the year.
Fresher data from Infosys gives the following maximum cost estimates of brand damage, companies could experience after a data breach (accidental or malicious).
3 Major Advantages of Privacy in Business
Despite all the industry mishaps, a reassuring 77% of CEOs now recognise that their companies must fundamentally change their approaches to customer engagement, in particular when it comes to ensuring data privacy.
Many organisations take proactive steps to cultivate a privacy-centred culture and implement transparent data collection policies.
Here’s why gaining the “privacy advantage” pays off.
1. Market Competitiveness
There’s a reason why privacy-focused companies are booming.
Consumers’ mounting concerns and frustrations over the lack of online privacy, prompt many to look for alternative privacy-centred products and services.
The following B2C and B2B products are moving from the industry margins to the mainstream :
- Private search engines (Duckduckgo)
- Password managers (1password, Dashlane)
- Online identity networks (id.me)
- Web analytics solutions (Matomo)
- And secure messaging apps (Signal) among others
Across the board, consumers express greater trust towards companies, protective of their privacy :
And as we well know : trust translates to higher engagement, loyalty, and – ultimately revenue.
By embedding privacy into the core of your product, you give users more reasons to select, stay and support your business.
2. Higher Operational Efficiency
Customer data protection isn’t just a policy – it’s a culture of collecting “just enough” data, protecting it and using it responsibly.
Sadly, that’s the area where most organisations trail behind. At present, some 90% of businesses admit to having amassed massive data silos.
Siloed data is expensive to maintain and operationalise. Moreover, when left unattended, it can evolve into a pressing compliance issue.
A recently leaked document from Facebook says the company has no idea where all of its first-party, third-party and sensitive categories data goes or how it is processed. Because of this, Facebook struggles to achieve GDPR compliance and remains under regulatory pressure.
Similarly, Google Analytics is riddled with privacy issues. Other company products were found to be collecting and operationalising consumer data without users’ knowledge or consent. Again, this creates valid grounds for regulatory investigations.
Smaller companies have a better chance of making things right at the onset.
By curbing customer data collection, you can :
- Reduce data hosting and Cloud computation costs (aka trim your Cloud bill)
- Improve data security practices (since you would have fewer assets to protect)
- Make your staff more productive by consolidating essential data and making it easy and safe to access
Privacy-mindful companies also have an easier time when it comes to compliance and can meet new data regulations faster.
3. Better Marketing Campaigns
The biggest counter-argument to reducing customer data collection is marketing.
How can we effectively sell our products if we know nothing about our customers ? – your team might be asking.
This might sound counterintuitive, but minimising data collection and usage can lead to better marketing outcomes.
Limiting the types of data that can be used encourages your people to become more creative and productive by focusing on fewer metrics that are more important.
Think of it this way : Every other business uses the same targeting parameters on Facebook or Google for running paid ad campaigns on Facebook. As a result, we see ads everywhere — and people grow unresponsive to them or choose to limit exposure by using ad blocking software, private browsers and VPNs. Your ad budgets get wasted on chasing mirage metrics instead of actual prospects.
Case in point : In 2017 Marc Pritchard of Procter & Gamble decided to first cut the company’s digital advertising budget by 6% (or $200 million). Unilever made an even bolder move and reduced its ad budget by 30% in 2018.
Guess what happened ?
P&G saw a 7.5% increase in organic sales and Unilever had a 3.8% gain as HBR reports. So how come both companies became more successful by spending less on advertising ?
They found that overexposure to online ads led to diminishing returns and annoyances among loyal customers. By minimising ad exposure and adopting alternative marketing strategies, the two companies managed to market better to new and existing customers.
The takeaway : There are more ways to engage consumers aside from pestering them with repetitive retargeting messages or creepy personalisation.
You can collect first-party data with consent to incrementally improve your product — and educate them on the benefits of your solution in transparent terms.
Final Thoughts
The definitive advantage of privacy is consumers’ trust.
You can’t buy it, you can’t fake it, you can only cultivate it by aligning your external appearances with internal practices.
Because when you fail to address privacy internally, your mishaps will quickly become apparent either as social media call-outs or worse — as a security incident, a data breach or a legal investigation.
By choosing to treat consumer data with respect, you build an extra layer of protection around your business, plus draw in some banging benefits too.
Get one step closer to becoming a privacy-centred company by choosing Matomo as your web analytics solution. We offer robust privacy controls for ensuring ethical, compliant, privacy-friendly and secure website tracking.
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(C_UDP Socket Programming) How can I convert binary file to video format ?
30 avril 2024, par user24723398I am practicing UDP socket programming. My code's functions are below.


- 

- Connect Server-Client and send "hello" message each other (it is working).
- Then Server is sending video file to client (problem).






Transfer video file to client is working. But it is written in binary so I can't open the video.


So I try to use ffmpeg to convert the video, but it doesn't work.


Is there something wrong in my code ? How can I transfer a received file to a video file ?


My environment is MacOs.


Server.c (Server Code) :


#include 
#include 
#include 
#include <arpa></arpa>inet.h>
#include 
#include <sys></sys>socket.h>

#define PORT 8888
#define BUF_SIZE 256

int main(){
 int serv_sock;
 char message[BUF_SIZE];
 char buf[BUF_SIZE];
 int str_len;
 socklen_t clnt_adr_sz;

 struct sockaddr_in serv_adr, clnt_adr;
 
 //create socket
 serv_sock=socket(PF_INET, SOCK_DGRAM, 0);
 if(serv_sock == -1){
 perror("socket() error");
 exit(1);
 }
 
 //socket address
 memset(&serv_adr, 0, sizeof(serv_adr));
 serv_adr.sin_family=AF_INET;
 serv_adr.sin_addr.s_addr=htonl(INADDR_ANY);
 serv_adr.sin_port=htons(PORT);
 //binding socket
 if(bind(serv_sock, (struct sockaddr*)&serv_adr, sizeof(serv_adr)) == -1){
 perror("bind() error");
 exit(1);
 }
 
 while(1){
 clnt_adr_sz=sizeof(clnt_adr);
 str_len=recvfrom(serv_sock, message, BUF_SIZE, 0, (struct sockaddr *)&clnt_adr, &clnt_adr_sz);
 if (str_len < 0) {
 perror("recvfrom error");
 exit(1);
 }
 
 char hello_message[] = "hello i am server";
 if (sendto(serv_sock, hello_message, strlen(hello_message), 0, (struct sockaddr *)&clnt_adr, clnt_adr_sz) < 0) {
 perror("sendto error");
 exit(1);
 }
 
 //print message
 message[str_len] = '\0';
 printf("client say: %s\n", message);
 
 char buf[BUF_SIZE];
 ssize_t bytes_read;
 // sending viedo file
 printf("sending video file...\n");
 size_t fsize;
 
 //video file
 FILE *file;
 char *filename = "video.mp4";
 // open video file
 file = fopen(filename, "rb");
 if (file == NULL) {
 perror("File opening failed");
 exit(EXIT_FAILURE);
 }
 //calculate video file memory
 fseek(file, 0, SEEK_END);
 fsize = ftell(file);
 fseek(file,0,SEEK_SET);
 
 size_t size = htonl(fsize);
 int nsize =0;
 
 while(nsize!=fsize){
 int fpsize = fread(buf,1, BUF_SIZE, file);
 nsize += fpsize;
 if (sendto(serv_sock, &size, sizeof(size), 0, (struct sockaddr *)&clnt_adr, clnt_adr_sz) < 0) {
 perror("sendto");
 exit(EXIT_FAILURE); 
 }
 fclose(file);
 /*
 while ((bytes_read = fread(buf, 1, BUF_SIZE, file)) > 0) {
 if (sendto(serv_sock, buf, bytes_read, 0,
 (struct sockaddr *)&clnt_adr, clnt_adr_sz) < 0) {
 perror("sendto");
 exit(EXIT_FAILURE);
 } 
 }
 */
 } 
 }
 close(serv_sock);
 return 0;
}


Client.c (Client code)


#include 
#include 
#include 
#include <arpa></arpa>inet.h>
#include 
#include <sys></sys>socket.h>

#define BUFSIZE 256
#define PORT 8888

int main(){
 int sock;
 char message[BUFSIZE];
 int str_len;
 socklen_t adr_sz;

 struct sockaddr_in serv_addr, client_addr; 
 
 sock = socket(PF_INET, SOCK_DGRAM, 0);
 if(sock == -1){
 printf("socket() error\n");
 exit(1);
 }

 memset(&serv_addr, 0, sizeof(serv_addr));
 serv_addr.sin_family = AF_INET;
 serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
 serv_addr.sin_port = htons(PORT);

 char hello_message[] = "hello i am client";
 sendto(sock, hello_message, strlen(hello_message), 0, (struct sockaddr*)&serv_addr, sizeof(serv_addr));
 adr_sz = sizeof(client_addr);
 str_len=recvfrom(sock,message,BUFSIZE,0,(struct sockaddr*)&client_addr,&adr_sz);
 
 message[str_len] = '\0';
 printf("client say: %s\n", message);
 
 /*
 char buf[BUFSIZE];
 ssize_t bytes_received;
 socklen_t serv_len = sizeof(serv_addr);
 while ((bytes_received = recvfrom(sock, buf, BUFSIZE, 0,
 (struct sockaddr *)&serv_addr, &serv_len)) > 0) {
 fwrite(buf, 1, bytes_received, file);
 }
 */
 
 FILE *file = fopen("received_test.mp4", "wb");

 int nbyte = BUFSIZE;
 while(nbyte>= BUFSIZE){
 nbyte = recvfrom(sock, message, BUFSIZE, 0, (struct sockaddr*)&serv_addr, &adr_sz);
 fwrite(message, sizeof(char), nbyte, file);
 }

 if (file == NULL) {
 perror("File opening failed");
 exit(EXIT_FAILURE);
 }

 fclose(file);
 close(sock);
 printf("File received successfully\n");
 
 return 0;
}


I try to convert the binary file to an
.mp4file using ffmpeg
but it doesn't work :

ffmpeg -i received_test.mp4 output.mp4
ffmpeg version 7.0 Copyright (c) 2000-2024 the FFmpeg developers
 built with Apple clang version 15.0.0 (clang-1500.3.9.4)
 configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/7.0 --enable-shared --enable-pthreads --enable-version3 --cc=clang --host-cflags= --host-ldflags='-Wl,-ld_classic' --enable-ffplay --enable-gnutls --enable-gpl --enable-libaom --enable-libaribb24 --enable-libbluray --enable-libdav1d --enable-libharfbuzz --enable-libjxl --enable-libmp3lame --enable-libopus --enable-librav1e --enable-librist --enable-librubberband --enable-libsnappy --enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtesseract --enable-libtheora --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopenvino --enable-libspeex --enable-libsoxr --enable-libzmq --enable-libzimg --disable-libjack --disable-indev=jack --enable-videotoolbox --enable-audiotoolbox --enable-neon
 libavutil 59. 8.100 / 59. 8.100
 libavcodec 61. 3.100 / 61. 3.100
 libavformat 61. 1.100 / 61. 1.100
 libavdevice 61. 1.100 / 61. 1.100
 libavfilter 10. 1.100 / 10. 1.100
 libswscale 8. 1.100 / 8. 1.100
 libswresample 5. 1.100 / 5. 1.100
 libpostproc 58. 1.100 / 58. 1.100
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x12a62bdb0] Format mov,mp4,m4a,3gp,3g2,mj2 detected only with low score of 1, misdetection possible!
[mov,mp4,m4a,3gp,3g2,mj2 @ 0x12a62bdb0] moov atom not found
[in#0 @ 0x12b0043c0] Error opening input: Invalid data found when processing input
Error opening input file received_test.mp4.
Error opening input files: Invalid data found when processing input


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