wayfire | A modular and extensible wayland compositor | Video Utils library

by WayfireWM C++ Version: v0.7.5 License: MIT

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

kandi X-RAY | wayfire Summary

wayfire is a C++ library typically used in Video, Video Utils applications. wayfire has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

These are the dependencies needed for building Wayfire.

Support

Quality

Security

License

Reuse

Support

wayfire has a medium active ecosystem.

It has 1820 star(s) with 144 fork(s). There are 37 watchers for this library.

It had no major release in the last 12 months.

There are 298 open issues and 744 have been closed. On average issues are closed in 130 days. There are 29 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of wayfire is v0.7.5

Quality

wayfire has no bugs reported.

Security

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

License

wayfire is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

wayfire releases are available to install and integrate.

Installation instructions, examples and code snippets are available.

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wayfire Key Features

No Key Features are available at this moment for wayfire.

wayfire Examples and Code Snippets

No Code Snippets are available at this moment for wayfire.

Community Discussions

Trending Discussions on Video

Download only instagram videos with instaloader

How to disable HTML Video Player playback speed / three dots

Calculate average pixel intensity for each frame of tif movie

FFMPEG metadata not work with segment format

jQuery. Pause video with timeout

FFmpeg : How to apply a filter on custom frames and place output of them between mainframes

Javascript: frame precise video stop

How to extract available video resolutions from Facebook video URL?

Why doesn't `width:100%; height:100%; object-fit: contain;` make a fit its container?

Inconsistent frame number with ffmpeg

QUESTION

Download only instagram videos with instaloader

Asked 2022-Mar-29 at 15:57

This code is working for downloading all photos and videos

...

ANSWER

Answered 2022-Feb-19 at 06:17

Post has an is_video property

Source https://stackoverflow.com/questions/71182479

QUESTION

How to disable HTML Video Player playback speed / three dots

Asked 2022-Mar-25 at 16:32

I don't want to show playback speed in my video, is there any controls or controlList properties to disable that option like controls disablepictureinpicture controlslist="nodownload"

...

ANSWER

Answered 2021-Sep-08 at 10:36

According to the docs only three options are available (nodownload, nofullscreen, and noremoteplayback) and none seems to do what you want.
And you can't style the browser's default control set, but you can use the (JavaScript) Media API to build your own control set which of course you can style in any way that you like. See this CodePen.

Source https://stackoverflow.com/questions/69100753

QUESTION

Calculate average pixel intensity for each frame of tif movie

Asked 2022-Feb-18 at 23:25

I imported a tif movie into python which has the dimensions (150,512,512). I would like to calculate the mean pixel intensity for each of the 150 frames and then plot it over time. I could figure out how to calculate the mean intensity over the whole stack (see below), but I am struggling to calculate it for each frame individually.

...

ANSWER

Answered 2022-Feb-18 at 23:25

You could slice the matrix and obtain the mean for each frame like below

Source https://stackoverflow.com/questions/71180335

QUESTION

FFMPEG metadata not work with segment format

Asked 2022-Feb-11 at 10:03

I'm trying to add rotation metadata to the video recorded from RTSP stream. All works fine until I try to run recording with segment format. My command looks like this:

...

ANSWER

Answered 2022-Feb-11 at 10:03

I found out it has been resolved in

https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a74428921f8bfb33cbe0340bfd810b6945e432d2#patch1

and it works fine in ffmpeg 5.0. You can also apply this patch to 4.4.

Source https://stackoverflow.com/questions/71020015

QUESTION

jQuery. Pause video with timeout

Asked 2022-Feb-04 at 20:36

I have several videos on my site that have the same class.

I want to play only one video when hovering over it. As soon as I removed the hover, the video was paused with a delay of 1 second.

I learned how to start a video and pause it. But as soon as I add setTimeout I get an error: Uncaught TypeError: Cannot read properties of undefined (reading 'pause')

Below I am attaching the html code of my solution:

...

ANSWER

Answered 2022-Feb-04 at 20:36

The issue is because this in the setTimeout() function handler refers to that function, not to the element reference provided in the invocation of the outer hoverVideo() or hideVideo() functions.

To fix this issue create a variable in the outer scope to retain the reference to this which you use within the setTimeout():

Source https://stackoverflow.com/questions/70992387

QUESTION

FFmpeg : How to apply a filter on custom frames and place output of them between mainframes

Asked 2022-Feb-04 at 10:13

I have an interlaced video stream and need apply a filter (any filter that takes two frames as input , for example tblend or lut2) on custom video frames and place output of them between mainframes like this :

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ANSWER

Answered 2022-Feb-04 at 10:13

You may chain tblend, interleave and setpts filters, while the two inputs to interleave filter are the output of tblend and the original video:

Example (assuming input framerate is 25Hz):

Source https://stackoverflow.com/questions/70936689

QUESTION

Javascript: frame precise video stop

Asked 2022-Jan-28 at 14:55

I would like to be able to robustly stop a video when the video arrives on some specified frames in order to do oral presentations based on videos made with Blender, Manim...

I'm aware of this question, but the problem is that the video does not stops exactly at the good frame. Sometimes it continues forward for one frame and when I force it to come back to the initial frame we see the video going backward, which is weird. Even worse, if the next frame is completely different (different background...) this will be very visible.

To illustrate my issues, I created a demo project here (just click "next" and see that when the video stops, sometimes it goes backward). The full code is here.

The important part of the code I'm using is:

...

ANSWER

Answered 2022-Jan-21 at 19:18

The video has frame rate of 25fps, and not 24fps:

After putting the correct value it works ok: demo
The VideoFrame api heavily relies on FPS provided by you. You can find FPS of your videos offline and send as metadata along with stop frames from server.

The site videoplayer.handmadeproductions.de uses window.requestAnimationFrame() to get the callback.

There is a new better alternative to requestAnimationFrame. The requestVideoFrameCallback(), allows us to do per-video-frame operations on video.
The same functionality, you domed in OP, can be achieved like this:

Source https://stackoverflow.com/questions/70613008

QUESTION

How to extract available video resolutions from Facebook video URL?

Asked 2022-Jan-26 at 12:11

In my Facebook Video Downloader android application i want to show video resolutions like SD, HD with size. Currently i am using InputStreamReader and Pattern.compile method to find SD and HD URL of video. This method rarely gets me HD link of videos and provides only SD URL which can be downloaded.

Below is my code of link parsing

...

ANSWER

Answered 2022-Jan-26 at 12:11

Found a solution for this so posting as answer.

This can be done by extracting Page Source of a webpage and then parsing that XML and fetching list of BASE URLs.

Steps as follow:

1- Load that specific video URL in Webview and get Page Source inside onPageFinished

Source https://stackoverflow.com/questions/70782618

QUESTION

Why doesn't `width:100%; height:100%; object-fit: contain;` make a fit its container?

Asked 2022-Jan-21 at 00:57

So I have a page with a grid layout, with a header and a footer and a black content container in the middle.

...

ANSWER

Answered 2022-Jan-21 at 00:57

1fr

The first thing you need to know is that 1fr is equivalent to minmax(auto, 1fr), meaning that the container won't be smaller than its content, by default.

So, start by replacing 1fr with minmax(0, 1fr). That will solve the overflow problem.

Source https://stackoverflow.com/questions/70795059

QUESTION

Inconsistent frame number with ffmpeg

Asked 2022-Jan-16 at 00:46

I'm having regularly issue with hvc1 videos getting an inconsistent number of frames between ffprobe info and FFmpeg info, and I would like to know what could be the reason for this issue and how if it's possible to solve it without re-encoding the video.

I wrote the following sample script with a test video I have

I split the video into 5-sec segments and I get ffprobe giving the expected video length but FFmpeg gave 3 frames less than expected on every segment but the first one.

The issue is exactly the same if I split by 10 seconds or any split, I always lose 3 frames.

I noted that the first segment is always 3 frames smaller (on ffprobe) than the other ones and it's the only consistent one.

Here is an example script I wrote to test this issue :

...

ANSWER

Answered 2022-Jan-11 at 22:08

The source of the differences is that FFprobe counts the discarded packets, and FFmpeg doesn't count the discarded packets as frames.

Your results are consistent with video stream that is created with 3 B-Frames (3 consecutive B-Frames for every P-Frame or I-Frame).

According to Wikipedia:

I‑frames are the least compressible but don't require other video frames to decode.
P‑frames can use data from previous frames to decompress and are more compressible than I‑frames.
B‑frames can use both previous and forward frames for data reference to get the highest amount of data compression.

When splitting a video with P-Frame and B-Frame into segments without re-encoding, the dependency chain breaks.

There are (almost) always frames that depends upon frames from the previous segment or the next segment.
The above frames are kept, but the matching packets are marked as "discarded" (marked with AV_PKT_FLAG_DISCARD flag).

For the purpose of working on the same dataset, we my build synthetic video (to be used as input).

Building synthetic video with the following command:

Source https://stackoverflow.com/questions/70578206

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

Vulnerabilities

No vulnerabilities reported

Install wayfire

The easiest way to install Wayfire, wf-shell and WCM to get a functional desktop is to use the install scripts.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

Find more information at: