74ba01121a
Add cam.py, which mimics the 'cam' tool. Four rendering backends are added: * null - Do nothing * kms - Use KMS with dmabufs * qt - SW render on a Qt window * qtgl - OpenGL render on a Qt window All the renderers handle only a few pixel formats, and especially the GL renderer is just a prototype. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
# Copyright (C) 2022, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
|
|
|
|
import selectors
|
|
import sys
|
|
|
|
|
|
class NullRenderer:
|
|
def __init__(self, state):
|
|
self.state = state
|
|
|
|
self.cm = state['cm']
|
|
self.contexts = state['contexts']
|
|
|
|
self.running = False
|
|
|
|
def setup(self):
|
|
pass
|
|
|
|
def run(self):
|
|
print('Capturing...')
|
|
|
|
self.running = True
|
|
|
|
sel = selectors.DefaultSelector()
|
|
sel.register(self.cm.efd, selectors.EVENT_READ, self.readcam)
|
|
sel.register(sys.stdin, selectors.EVENT_READ, self.readkey)
|
|
|
|
print('Press enter to exit')
|
|
|
|
while self.running:
|
|
events = sel.select()
|
|
for key, mask in events:
|
|
callback = key.data
|
|
callback(key.fileobj)
|
|
|
|
print('Exiting...')
|
|
|
|
def readcam(self, fd):
|
|
self.running = self.state['event_handler'](self.state)
|
|
|
|
def readkey(self, fileobj):
|
|
sys.stdin.readline()
|
|
self.running = False
|
|
|
|
def request_handler(self, ctx, req):
|
|
self.state['request_prcessed'](ctx, req)
|