import gi
gi.require_version('Gst', '1.0')
from gi.repository import Gst, GLib

# Initialize GStreamer
Gst.init(None)

# Define the pipeline
pipeline = Gst.parse_launch(
    "v4l2src device=/dev/video0 ! "
    "video/x-raw, format=GRAY16_LE, width=358, height=288, framerate=30/1 ! "
    "videoconvert ! "
    "x264enc bitrate=500 speed-preset=ultrafast tune=zerolatency ! "
    "tee name=t "
    "t. ! queue ! "
    "hlsdemux ! "
    "hlssink playlist-root=http://example.com/live location=/var/www/html/live/segment%05d.ts playlist-location=/var/www/html/live/playlist.m3u8 "
    "t. ! queue ! "
    "filesink location=/path/to/save/output.h264"
)

# Start playing
pipeline.set_state(Gst.State.PLAYING)

# Wait until error or EOS
bus = pipeline.get_bus()

# Error handling
def on_message(bus, message, loop):
    mtype = message.type
    if mtype == Gst.MessageType.ERROR:
        err, debug = message.parse_error()
        print("Error: %s" % err, debug)
        loop.quit()
    elif mtype == Gst.MessageType.EOS:
        print("End of stream")
        loop.quit()

loop = GLib.MainLoop()
bus.add_signal_watch()
bus.connect("message", on_message, loop)

try:
    loop.run()
except KeyboardInterrupt:
    pass

# Free resources
pipeline.set_state(Gst.State.NULL)