videos | Lecture video processing scripts | Video Utils library
kandi X-RAY | videos Summary
kandi X-RAY | videos Summary
This repository contains scripts for producing lecture videos for Missing Semester.
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Top functions reviewed by kandi - BETA
- Render the image
- Generate and return a list of frames
- Concatenate audio into a stream
- Render the stream
- Convert playlists to stream
videos Key Features
videos Examples and Code Snippets
Community Discussions
Trending Discussions on videos
QUESTION
I am writing my project and wondered. When I read literature or watch videos, I see that this is bad practice. Why? Is this bad for the system?
What is the difference between this
...ANSWER
Answered 2021-Jun-16 at 00:17You have to initialize all instance properties somehow. And you have to do it right up front, either in the declaration line or in your init method.
But what if you don't actually have the initial value until later, like in viewDidLoad? Then it is silly to supply a real heavyweight value only to replace it later:
QUESTION
I've been using the YouTube IFrame API to shuffle multiple of my playlists together. I've got a very bare-bones HTML page with a 'next' and 'previous' button, and a bunch of javascript that loads up and plays videos and handles the button events.
The general order of events when the script loads is
...ANSWER
Answered 2021-Jun-15 at 13:19This issue appears to have resolved itself. I suspect it was a bug in the iframe api or maybe the youtube backend which has been fixed by the youtube engineers. So iframe team, if you see this, thanks!
QUESTION
I'm writing an app in WPF, trying to use the MVVM-design pattern (which is new to me).
I have a DataGrid bound to an ObservableCollection.
Delete the currently selected DataGrid-row using a 'Delete'-button. I've tried a plethora of forum-posts and videos to find a solution. The solution has probably stared me right in the face several times, but at this point I'm more confused than I was when I first started.
Any assistance would be appreciated.
ViewModel (updated with working code, thanks to EldHasp):
...ANSWER
Answered 2021-Jun-14 at 20:15You can use Prism. Intall package Prism.Core then Install-Package Microsoft.Xaml.Behaviors.Wpf -Version 1.1.31 packages in your project, in your xaml declare namespace as - xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
QUESTION
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 11:39Here 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.
QUESTION
I have const language array. i want all languages to be used as key of my schema object. i have dumbed my language array in constant and loop through it to get the value of each language and export it, now I am importing it to my schema and using it as key variable but I am getting above error
language constant
ANSWER
Answered 2021-Jun-15 at 10:13Why it is an error : You are passing a function as key.
Instead of using your function there :
- export languages
- import them in your file and loop through them.
- add keys dynamically to the schemaObject.
Example :
QUESTION
I need a way to take photos programmatically from a macOS app and I am using AVCapturePhotoOutput to achieve this.
First I initialize the camera with
...ANSWER
Answered 2021-Jun-15 at 08:38As Bhargav Rao deleted my previous answer, I will add a new one.
QUESTION
In a grav theme plugin, I want to provide a method to fill a select input field in a page blueprint with some other page's routes:
...ANSWER
Answered 2021-Jun-15 at 07:54Try the following:
QUESTION
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 20:57You have to pass the function like this
QUESTION
Hi I m stuck in a situation and I m unable to find a solution, there is a dropbox that displays the tags matched with the string entered but the limit is set for 30 as it displays 30 results only. I want it to increase it but I m unable to find where the limit is applied.
the logs do return the query but I m unable to find it
...ANSWER
Answered 2021-Jun-14 at 16:14You need to configure the field like this
QUESTION
I am working on a simple app where you can retrieve video in viewpager not list view and user can also like video.
But now I want to sort all the videos on the basis of most liked.
Here is my database screenshot -
and her is the code of which I made a video adapter from which I retrieve video
code -
...ANSWER
Answered 2021-Jun-14 at 15:51Firebase Realtime Database queries can only sort data on values that are stored in the database. There is no way to order on something that is calculated, like the number of child elements under the Likes/$postid node in your case.
The common workaround is to store the number of likes in the database too, for example as a LikeCount property, and then order on that.
You can securely have the client write its like/unlike and increment/decrement the counter by:
- Using the
increment()operation to perform the change atomically. - And using security rules to ensure each increment goes hand-in-hand with a new like.
For an example of this, see my answer here: Using Firebase Security Rules, how can I secure a node that has transactions run on it?
Once you have stored the the LikeCount you can sort on it by using a query. Something like:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install videos
You can use videos like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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