mp4 | mux and demux mp4 with clion

by wlanjie C++ Version: Current License: No License

X-Ray Key Features Code Snippets Community Discussions(10)Vulnerabilities Install Support

kandi X-RAY | mp4 Summary

mp4 is a C++ library. mp4 has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

mux and demux mp4 with clion

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Quality

Security

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Support

mp4 has a low active ecosystem.

It has 8 star(s) with 1 fork(s). There are 4 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 0 have been closed. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of mp4 is current.

Quality

mp4 has no bugs reported.

Security

mp4 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

mp4 does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

mp4 releases are not available. You will need to build from source code and install.

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mp4 Key Features

No Key Features are available at this moment for mp4.

mp4 Examples and Code Snippets

No Code Snippets are available at this moment for mp4.

Community Discussions

Trending Discussions on mp4

GStreamer C library not working properly on Xubuntu

When should one prefer OOP over procedural?

Iterating over an array of objects in JSON with Flutter FutureBuilder

Videos are playing too fast using OpenCV and PyQT5

How to hide a video atfer it has been read in JS/CSS? (+ set a timer for it to be launched only once an hour)

Filtering a list based on sed and awk command, multiple delimiter

Disabling html5 video autoplay in Microsoft Edge

How to change background video on scroll in React?

discord music bot list index out of range Error

How to use a video logo for the DearPyGUI?

QUESTION

GStreamer C library not working properly on Xubuntu

Asked 2021-Jun-15 at 11:39

I am writing a program in C language using gtk3 library. I want it to be able to receive a h264 video stream from a certain IP address (localhost) and UDP/RTP PORT (5000).

In order to do it, I am using gstreamer to both stream and receive the video.

I managed to stream the video using the following pipeline :

send.sh :

gst-launch-1.0 filesrc location=sample-mp4-file.mp4 ! decodebin ! x264enc ! 'video/x-h264, stream-format=(string)byte-stream' ! h264parse ! rtph264p

I managed to display the video in a new window using the following pipeline :

receive.sh :

gst-launch-1.0 udpsrc port=5000 caps="application/x-rtp,encoding-name=H264" ! rtph264depay ! decodebin ! videoconvert ! autovideosink

At this point, everything works fine. But now I want to receive the stream and display it inside my C/GTK program. I am using the following code (found on internet and adapted to make it compile) :

...

ANSWER

Answered 2021-Jun-15 at 11:39

Here is the solution I found :

Changin xvimagesink by ximagesink :

sink = gst_element_factory_make ("xvimagesink", NULL); g_assert(sink);

becomes

sink = gst_element_factory_make ("ximagesink", NULL); g_assert(sink);

Hope it will help some of you facing the same problem.

Source https://stackoverflow.com/questions/67808075

QUESTION

When should one prefer OOP over procedural?

Asked 2021-Jun-15 at 06:30

I am venturing into python and wondering what one should look for to make a choice whether to use Object Oriented Programming paradigm or to remain on procedural paradigm. I developed a small program that looks for duplicate media files in two hard drives and delete the duplicates ones in the send drive. Would it best leaving the program as it is or try out the OOP. If yes how best can I convert it to OOP? Disclaimer: Am still a beginner in python so the code may not be in the right shape as required. Sorry for verbosity.

Sample of the program:

...

ANSWER

Answered 2021-Jun-14 at 06:19

It depends whether you want to enhance the project from time to time then oops is better for ease of maintainability and for larger projects but if you don't want to extend it then using procedural paradigm approach is just fine , while using oops also you use it in class methods .Oops makes more sense when you try to simulate real world environment or something related to real life objects and phenomenon , algorithms are also mostly implemented using procedural paradigm approach , for me procedural paradigm approach works fine untill code reaches 150 lines of code

Source https://stackoverflow.com/questions/67965438

QUESTION

Iterating over an array of objects in JSON with Flutter FutureBuilder

Asked 2021-Jun-15 at 05:30

I am having trouble trying to iterate over a JSON array of objects from a remote URL using Flutter's FutureBuilder.

My goal is to:

Fetch JSON data from an API
Output the data into a 2 column gridview layout

The JSON data is an array of objects(or a List of Maps in dart), the objects have simple string data.

I know that I need to build a future to fetch the data from the API and decode the JSON, then I need to create a FutureBuilder to output the List data into my Gridview Builder. That is what I have tried to do in my code below.

...

ANSWER

Answered 2021-Jun-14 at 20:57

You have to pass the function like this

Source https://stackoverflow.com/questions/67976894

QUESTION

Videos are playing too fast using OpenCV and PyQT5

Asked 2021-Jun-14 at 10:44

My GUI is able to play videos automatically when selected in the QListWidget. However, instead of normal speed, the videos play very fast. I use 720p Mp4 videos as examples and are placed in a certain folder. I tried using cv2.CAP_PROP_FPS and cv2.CAP_PROP_BUFFERSIZE, but they are both not working. I am using pyqtSignal in the QThread and the convert_cv_qt function which I saw in other guides. How do I play the videos in normal speed / frame rate?

...

ANSWER

Answered 2021-Jun-14 at 10:44

When you use VideoCapture with a file if you call "cap.read()" you will obtain the next frame on the video, regardless of its actual framerate. Hence, you should use a "msleep" every time you capture a frame:

Source https://stackoverflow.com/questions/67021922

QUESTION

How to hide a video atfer it has been read in JS/CSS? (+ set a timer for it to be launched only once an hour)

Asked 2021-Jun-14 at 09:41

I am creating a website and, on the opening of the homepage, I have a poster of a video inviting to enter the website, then after clicking on the poster my video (MP4 format) is read.

I tried to do some JS/CSS stuff to hide it after it has been read but I must miss something in the process, that's why I'm asking for some help.

My actual code in the parts where we are interested about :

...

ANSWER

Answered 2021-Jun-14 at 09:40

getElementByClassName does not exists, you probably want getElementsByClassName. Then you have to access an array element.

Source https://stackoverflow.com/questions/67967923

QUESTION

Filtering a list based on sed and awk command, multiple delimiter

Asked 2021-Jun-14 at 08:49

I need help in this issue. I have some files in a folder and I want to list it, but I want to list only the main Cours-name.

...

ANSWER

Answered 2021-Jun-14 at 08:27

here is finelly what i wanted

Source https://stackoverflow.com/questions/67963150

QUESTION

Disabling html5 video autoplay in Microsoft Edge

Asked 2021-Jun-14 at 03:22

I have a block of code for a video that doesn't autoplay in neither Chrome nor Firefox but still autoplays in Microsoft Edge:

...

ANSWER

Answered 2021-Jun-14 at 03:22

I can reproduce the issue in Edge. Can you use tag to display the video? If so, the issue can be fixed perfectly.

Using an </code> to embed video is not a good practice. The correct way to display a video is using the <a href="https://www.w3schools.com/tags/tag_video.asp" rel="nofollow noreferrer"><code><video></code> tag</a>. You can refer to the code sample below, it won't auto play in Edge and other browsers:</p> <pre><code><video width="320" height="176" controls> <source src="myvid.mp4" type="video/mp4"> </video> </code></pre>

Source https://stackoverflow.com/questions/67943740

QUESTION

How to change background video on scroll in React?

Asked 2021-Jun-12 at 20:07

I am trying to change background video on scroll, using react-intersection-observer. When inView changes to true, useEffect must change state to sample2, and send new video to startscreen, where it's using as background video with position fixed. State is changing, but video is still the same.

//Startscreen

...

ANSWER

Answered 2021-Jun-12 at 20:07

When you change the source of a video, the element doesn't reload, as explained in this answer : https://stackoverflow.com/a/47382850.

One fix would be

Source https://stackoverflow.com/questions/67950900

QUESTION

discord music bot list index out of range Error

Asked 2021-Jun-12 at 14:24

I think that's the third time I've asked a question today

I don't know if this error happened suddenly

Because it worked out so well up until now!

Do you know why this is an error?

...

ANSWER

Answered 2021-Jun-12 at 14:24

This error appears when there is no "=" substring in url. When you split string around substring there is at least one element in resulting array of tokens, more if substring appears in main string. I would add check if len of url.split('=') is greater than "i" before using i-th element. As it's right now you blindly go for second value even if there is only one.

Source https://stackoverflow.com/questions/67947974

QUESTION

How to use a video logo for the DearPyGUI?

Asked 2021-Jun-12 at 08:45

I'm new to Python GUI's and am currently trying to build an app with DearPy. I was wondering if it's possible to use an mp4 formatted logo (animated logo) instead of the png logo's it would usually accept. For example:

...

ANSWER

Answered 2021-Jun-12 at 08:45

I used tkinter for this and it worked perfectly fine:

Source https://stackoverflow.com/questions/67692082

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install mp4

You can download it from GitHub.

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