# cap_from_youtube
Get an OpenCV video capture from an YouTube video URL
[](https://pypi.org/project/cap-from-youtube/)
<p align="center">
<img src="https://raw.githubusercontent.com/ibaiGorordo/cap_from_youtube/main/doc/img/cap_from_youtube_logo.png" />
</p>
# Why
- pafy is widely used to get the video URL from a YouTube video URL, but since it uses youtube-dl which has not been updated recently, it suffers from some issues (dislike_count not found...).
- This repository is a simplified version of what pafy does, by just getting the url of the video and creating an OpenCV video capture from it.
- It uses YT-DLP (https://github.com/yt-dlp/yt-dlp), which is a fork of youtube-dl that is updated frequently.
# Requirement
* YT-DLP
* OpenCV
* NumPy
# Installation
- The easiest way is to install it with pip:
```bash
pip install cap_from_youtube
```
- You can also install it from GitHub:
```bash
pip install git+https://github.com/ibaiGorordo/cap_from_youtube
```
# Usage
## cap_from_youtube()
- `cap_from_youtube()` is the main function to obtain a video capture from a YouTube video URL.
- It requires the video URL as input and returns a `cv2.VideoCapture` object.
- By default, it returns the video with the highest resolution available.
- You can specify the resolution you want to get with the `resolution` parameter.
- Resolution examples: '144p', '240p', '360p', '480p', '720p', '1080p', '1440p', '2160p', 'best'
- Example:
```python
import cv2
from cap_from_youtube import cap_from_youtube
youtube_url = 'https://youtu.be/LXb3EKWsInQ'
cap = cap_from_youtube(youtube_url, '1440p60')
cv2.namedWindow('video', cv2.WINDOW_NORMAL)
while True:
ret, frame = cap.read()
if not ret:
break
cv2.imshow('video', frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
```
## list_video_streams()
- You can also use the `list_video_streams()` function to get the list of available video streams.
- It requires the video URL as input and returns two values:
- streams: a list of VideoStream with the information of the available video streams.
- resolutions: a NumPy array with the available resolutions.
- Example:
```python
from cap_from_youtube import list_video_streams
youtube_url = 'https://youtu.be/LXb3EKWsInQ'
streams, resolutions = list_video_streams(youtube_url)
for stream in streams:
print(stream)
```
# References
- pafy: https://github.com/mps-youtube/pafy
- yt-dlp: https://github.com/yt-dlp/yt-dlp
- imread_from_url: https://github.com/Kazuhito00/imread_from_url
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"description": "# cap_from_youtube\n Get an OpenCV video capture from an YouTube video URL\n\n[](https://pypi.org/project/cap-from-youtube/)\n<p align=\"center\">\n <img src=\"https://raw.githubusercontent.com/ibaiGorordo/cap_from_youtube/main/doc/img/cap_from_youtube_logo.png\" />\n</p>\n\n# Why\n- pafy is widely used to get the video URL from a YouTube video URL, but since it uses youtube-dl which has not been updated recently, it suffers from some issues (dislike_count not found...).\n- This repository is a simplified version of what pafy does, by just getting the url of the video and creating an OpenCV video capture from it.\n- It uses YT-DLP (https://github.com/yt-dlp/yt-dlp), which is a fork of youtube-dl that is updated frequently.\n\n# Requirement\n* YT-DLP\n* OpenCV\n* NumPy\n \n# Installation\n- The easiest way is to install it with pip:\n\n```bash\npip install cap_from_youtube\n```\n- You can also install it from GitHub:\n\n```bash\npip install git+https://github.com/ibaiGorordo/cap_from_youtube\n```\n\n# Usage\n\n## cap_from_youtube()\n- `cap_from_youtube()` is the main function to obtain a video capture from a YouTube video URL. \n- It requires the video URL as input and returns a `cv2.VideoCapture` object.\n- By default, it returns the video with the highest resolution available.\n- You can specify the resolution you want to get with the `resolution` parameter.\n - Resolution examples: '144p', '240p', '360p', '480p', '720p', '1080p', '1440p', '2160p', 'best'\n- Example:\n\n```python\nimport cv2\nfrom cap_from_youtube import cap_from_youtube\n\nyoutube_url = 'https://youtu.be/LXb3EKWsInQ'\ncap = cap_from_youtube(youtube_url, '1440p60')\n\ncv2.namedWindow('video', cv2.WINDOW_NORMAL)\nwhile True:\n ret, frame = cap.read()\n if not ret:\n break\n cv2.imshow('video', frame)\n if cv2.waitKey(1) & 0xFF == ord('q'):\n break\n```\n\n## list_video_streams()\n- You can also use the `list_video_streams()` function to get the list of available video streams.\n- It requires the video URL as input and returns two values: \n - streams: a list of VideoStream with the information of the available video streams.\n - resolutions: a NumPy array with the available resolutions.\n- Example:\n```python\nfrom cap_from_youtube import list_video_streams\n\nyoutube_url = 'https://youtu.be/LXb3EKWsInQ'\nstreams, resolutions = list_video_streams(youtube_url)\n\nfor stream in streams:\n print(stream)\n```\n \n# References\n- pafy: https://github.com/mps-youtube/pafy\n- yt-dlp: https://github.com/yt-dlp/yt-dlp\n- imread_from_url: https://github.com/Kazuhito00/imread_from_url\n",
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