flask-video-streaming | Supporting code for my article on video streaming | Video Utils library
kandi X-RAY | flask-video-streaming Summary
kandi X-RAY | flask-video-streaming Summary
Supporting code for my article on video streaming with Flask.
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Top functions reviewed by kandi - BETA
- Set the client s events .
- Start camera thread .
- Initialize the camera thread .
- wait for a new client
- Generate content for a given camera .
- Generate a video feed .
- Show index .
- Set camera source .
flask-video-streaming Key Features
flask-video-streaming Examples and Code Snippets
Community Discussions
Trending Discussions on flask-video-streaming
QUESTION
I am experimenting with the code found in Miguel's tutorial on streaming jpg images with flask. part1 part2
I tried to add socketIO to the example. but I found that it leads to heavy lagging even if a monkey patch is used. I boiled down the problem to this short example seen below. If I start the socketio
instance then I see in the terminal that the generator provides consecutive frames at a regular interval, but in the browser only about every second image shows up. If I use app.run(...)
then everything works fine. Using socketio
with async_mode="threading"
also fixes the streaming.
What am I missing?
templates/index.html
...ANSWER
Answered 2021-Feb-24 at 00:10I'm not sure what the issue is, but it appears to be somehow related to the use of the eventlet web server. Switching to the eventlet worker that comes with Gunicorn appears to solve the problem.
I first installed Gunicorn:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install flask-video-streaming
You can use flask-video-streaming 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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