blob: bef82e72a6e04acf40450d2d2bc231c1343d0244 [file] [log] [blame]
# Copyright 2019 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import logging
import signal
from .camera import make_camera
from .gstreamer import Display, run_gen
from .streaming.server import StreamingServer
from . import svg
EMPTY_SVG = str(svg.Svg())
def run_server(add_render_gen_args, render_gen):
logging.basicConfig(level=logging.INFO)
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--source',
help='/dev/videoN:FMT:WxH:N/D or .mp4 file or image file',
default='/dev/video0:YUY2:640x480:30/1')
parser.add_argument('--bitrate', type=int, default=1000000,
help='Video streaming bitrate (bit/s)')
parser.add_argument('--loop', default=False, action='store_true',
help='Loop input video file')
add_render_gen_args(parser)
args = parser.parse_args()
gen = render_gen(args)
camera = make_camera(args.source, next(gen), args.loop)
assert camera is not None
with StreamingServer(camera, args.bitrate) as server:
def render_overlay(tensor, layout, command):
overlay = gen.send((tensor, layout, command))
server.send_overlay(overlay if overlay else EMPTY_SVG)
camera.render_overlay = render_overlay
signal.pause()
def run_app(add_render_gen_args, render_gen):
parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--source',
help='/dev/videoN:FMT:WxH:N/D or .mp4 file or image file',
default='/dev/video0:YUY2:1280x720:30/1')
parser.add_argument('--loop', default=False, action='store_true',
help='Loop input video file')
parser.add_argument('--displaymode', type=Display, choices=Display, default=Display.FULLSCREEN,
help='Display mode')
add_render_gen_args(parser)
args = parser.parse_args()
if not run_gen(render_gen(args),
source=args.source,
loop=args.loop,
display=args.displaymode):
print('Invalid source argument:', args.source)