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RTSP client wrapper around gstreamer/opencv

Project description

RTSP Package

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Convenience-wrapper around OpenCV-Python RTSP functions.

Features

  • read most-recent RTSP frame as Pillow Image on demand
  • preview stream in OpenCV. 'q' to quit preview.
  • URI shortcuts for rapid prototyping
    • integers load a USB or webcam from starting with interface 0 via OpenCV, e.g. rtsp.Client(0)
    • 'picam' uses a Raspberry Pi camera as source e.g. rtsp.Client('picam')

Examples

Use RTSP access credentials in your connection string e.g.

RTSP_URL = f"rtsp://{USERNAME}:{PASSWORD}@192.168.1.221:554/11"

One-off Retrieval

import rtsp
client = rtsp.Client(rtsp_server_uri = 'rtsp://...', verbose=True)
client.read().show()
client.close()

Stream Preview

import rtsp
with rtsp.Client(0) as client: # previews USB webcam 0
    client.preview()

Continuous Retrieval

import rtsp

with rtsp.Client(rtsp_server_uri = 'rtsp://...') as client:
    _image = client.read()

    while True:
        process_image(_image)
        _image = client.read(raw=True)

Resize Retrieval Image

import rtsp

RTSP_URL = "rtsp://..."
client = rtsp.Client(rtsp_server_uri = RTSP_URL)

width = 640
height = 480

client.read().resize([width, height]).show()
client.close()

Rotate Retrieval Image

import rtsp

RTSP_URL = "rtsp://..."
client = rtsp.Client(rtsp_server_uri = RTSP_URL)

client.read().resize([client.read().size[0], client.read().size[0]]).rotate(90).resize([client.read().size[1], client.read().size[0]]).show()
client.close()

Save Retrieval Image (With the TimeStamp Format and Set Number of Save Image)

import rtsp
import datetime

RTSP_URL = "rtsp://..."
IMAGE_COUNT = 10

client = rtsp.Client(rtsp_server_uri = RTSP_URL)
while client.isOpened() and IMAGE_COUNT > 0:
    client.read().save("./"+ str(datetime.datetime.now()) +".jpg")
    IMAGE_COUNT = IMAGE_COUNT - 1
client.close()

Roadmap:

I don't plan to develop this module any further, as more complex applications are better suited to use OpenCV, Gstreamer, or ffmpeg directly.

To do:

  • might improve parsing for RTSP server URIs

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