ardupilot/libraries/AP_Camera/examples/gst_rtsp_server.py

116 lines
3.6 KiB
Python

"""
GST RTSP Server Example
Usage
-----
1. Start the server:
python ./gst_rtsp_server.py
2. Display the RTSP stream
gst-launch-1.0 rtspsrc location=rtsp://localhost:8554/camera latency=50 ! decodebin ! autovideosink
Acknowledgments
---------------
GStreamer RTSP server example adapted from code by Jerome Carretero (Tamaggo)
https://github.com/tamaggo/gstreamer-examples
https://github.com/tamaggo/gstreamer-examples/blob/master/test_gst_rtsp_server.py
"""
# Copyright (c) 2015 Tamaggo Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
import sys
import gi
gi.require_version("Gst", "1.0")
gi.require_version("GstRtspServer", "1.0")
from gi.repository import Gst
from gi.repository import GstRtspServer
from gi.repository import GLib
class VideoTestMediaFactory(GstRtspServer.RTSPMediaFactory):
"""
Create a GStreamer pipeline for a videotestsrc source.
The default videotestsrc uses the smpte test pattern. Other test patterns
may be specified when initialising the class.
"""
def __init__(self, pattern="smpte"):
GstRtspServer.RTSPMediaFactory.__init__(self)
self.pattern = pattern
def do_create_element(self, url):
s_src = f"videotestsrc pattern={self.pattern} ! video/x-raw,rate=30,width=640,height=480,format=I420"
s_h264 = "x264enc tune=zerolatency"
pipeline_str = f"( {s_src} ! queue max-size-buffers=1 name=q_enc ! {s_h264} ! rtph264pay name=pay0 pt=96 )"
if len(sys.argv) > 1:
pipeline_str = " ".join(sys.argv[1:])
print(pipeline_str)
return Gst.parse_launch(pipeline_str)
class GstServer:
"""
A GStreamer RTSP server streaming three different test patterns:
rtsp://127.0.0.1:8554/camera
rtsp://127.0.0.1:8554/ball
rtsp://127.0.0.1:8554/snow
"""
def __init__(self):
self.server = GstRtspServer.RTSPServer()
self.server.set_address("127.0.0.1")
self.server.set_service("8554")
media_factory1 = VideoTestMediaFactory()
media_factory1.set_shared(True)
media_factory2 = VideoTestMediaFactory("ball")
media_factory2.set_shared(True)
media_factory3 = VideoTestMediaFactory("snow")
media_factory3.set_shared(True)
mount_points = self.server.get_mount_points()
mount_points.add_factory("/camera", media_factory1)
mount_points.add_factory("/ball", media_factory2)
mount_points.add_factory("/snow", media_factory3)
self.server.attach(None)
def main():
Gst.init(None)
server = GstServer()
loop = GLib.MainLoop()
loop.run()
if __name__ == "__main__":
main()