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Refactored camera stream route

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This commit is contained in:
Fabio Manganiello 2022-03-28 12:44:04 +02:00
parent 128b45686a
commit 5ee47902f4
Signed by untrusted user: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 20 additions and 12 deletions
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26
platypush/backend/http/app/routes/plugins/camera/__init__.py
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@ -1,7 +1,8 @@
import json
from typing import Optional
from flask import Response, Blueprint, request
from flask import Blueprint, request
from flask.wrappers import Response
from platypush.backend.http.app import template_folder
from platypush.backend.http.app.utils import authenticate
@ -17,19 +18,22 @@ __routes__ = [
def get_camera(plugin: str) -> CameraPlugin:
return get_plugin('camera.' + plugin)
plugin_name = f'camera.{plugin}'
p = get_plugin(plugin_name)
assert p, f'No such plugin: {plugin_name}'
return p
def get_frame(session: Camera, timeout: Optional[float] = None) -> bytes:
def get_frame(session: Camera, timeout: Optional[float] = None) -> Optional[bytes]:
if session.stream:
with session.stream.ready:
session.stream.ready.wait(timeout=timeout)
return session.stream.frame
def feed(plugin: str, **kwargs):
plugin = get_camera(plugin)
with plugin.open(stream=True, **kwargs) as session:
plugin.start_camera(session)
def feed(camera: CameraPlugin, **kwargs):
with camera.open(**kwargs) as session:
camera.start_camera(session)
while True:
frame = get_frame(session, timeout=5.0)
if frame:
@ -77,8 +81,12 @@ def get_photo(plugin, extension):
@authenticate()
def get_video(plugin, extension):
stream_class = StreamWriter.get_class_by_name(extension)
return Response(feed(plugin, stream_format=extension, frames_dir=None, **get_args(request.args)),
mimetype=stream_class.mimetype)
camera = get_camera(plugin)
return Response(
feed(camera, stream=True, stream_format=extension, frames_dir=None,
**get_args(request.args)
), mimetype=stream_class.mimetype
)
@camera.route('/camera/<plugin>/photo', methods=['GET'])