Questions tagged [video]
The video tag has no summary.
35 questions
-2 votes
3 answers
225 views
Server-side ad insertion and video downloaders
Video streaming sites like YouTube are experimenting with server-side ad insertion Server-side ad insertion differs from normal YouTube ad insertion techniques primarily in how ads are delivered to ...
-2 votes
1 answer
167 views
How changing the video quality works while watching video online?
How does changing the video quality works behind the scene? Suppose I am watching a video on youtube (I will use YT as an example in this question) and suddenly my internet speed becomes slow, in that ...
-3 votes
1 answer
429 views
How are different resolution settings for videos handled by server and client based on setting and connection speed? [closed]
I was watching youtube and squinted at the text in the video and wondered what happens when I switch from 720p to 1080p. Does the streaming service, Youtube and or any other, just have the files in ...
0 votes
0 answers
231 views
What would be a good approach to applying computer vision to automatically edit out the downtime in tennis video?
I have an iOS/macOS tennis app that now lets the user import video, and I would like to add the ability to automatically edit out the significant amount of downtime where players are not in a rally or ...
- 95
0 votes
1 answer
941 views
Best file formats for ML training
Hi I'm bulding an ML pipeline with PyTorch to support various tasks and am looking for some advice on efficient ways to store processed data. The main frame work was 3 layers [data prep] -> [data ...
- 111
1 vote
0 answers
57 views
Looking for a faster solution to generate videos from data
I need to generate videos that are several hours long from CSV files. I have a working solution, but it's unusably slow and am looking for alternative ideas. What I'm currently doing: using an image ...
- 1
0 votes
1 answer
474 views
How to signal end of stream?
I am designing an interface for reading and writing video frames to various inputs and outputs. Stream operators seem to me a superb alternative to named functions for the task. This is the gist of it:...
- 7,189
2 votes
3 answers
781 views
What algorithm is used in subtitles?
What algorithm does a video player use to find the subtitles to show at any given time? I'm building a video player that displays some notes on different times over a video. Each note has a starting ...
- 233
1 vote
2 answers
581 views
How a standard video file is structured under the hood
I am new to looking into video file formats, and am wondering what it would take to parse one. To do that, I first would need to understand what the format looks like, so that's what this question is ...
- 2,787
1 vote
1 answer
2k views
understanding video streaming on a servlet or webserver
This question has been asked quite a few times on StackOverflow and I would like to get an understanding of the concepts and process rather than directly solve a problem. I found the following post ...
- 111
1 vote
1 answer
546 views
Perfect video processing pipeline?
I'm working on a modular video processing pipeline. It's currently presented as a tree of modules. Each module has a set of "results" and can dynamically request data results from other modules. Each ...
- 127
1 vote
1 answer
609 views
Best approach to learn OpenCV to use with Swift? [closed]
I am trying to figure out how to use OpenCV with XCode's Swift. I need to do realtime video processing for the project I am working on, but I can't seem to find any good references on learning OpenCV ...
1 vote
2 answers
4k views
Video streaming through Ajax calls
These days I have seen couple of sites (including Youtube) that stream videos through Ajax calls (XHR) in few MBs or even less than MB. For an example of what I said see the highlighted lines in the ...
- 153
-5 votes
3 answers
4k views
What handles the work of video streaming in ASP.NET MVC?
I want to play video using ASP.NET MVC. In my understanding, the model deals with the video files stored in file system and data in database. The controller retrieves the path of video file from model ...
- 117
1 vote
0 answers
142 views
Distributed Design to Speed Up Video Processing
Currently I have one web server running Django, which takes a series of images from a user, uploads them to an Amazon S3 bucket, and finally calls an Amazon Lambda instance, which runs a python script ...
- 111