def start_video_stream(self):
server_caps = Util.get_server_config(self.host)
core_clock = Util.get_core_clock(self.host)
pipeline = self.get_pipeline()
self.coreStreamer = GSTInstance(pipeline, core_clock)
self.coreStreamer.pipeline.bus.add_signal_watch()
self.coreStreamer.pipeline.bus.connect("message::eos",self.on_eos)
self.coreStreamer.pipeline.bus.connect("message::error",self.on_eos)
def setup_core_listener(self):
NS_TO_MS = 1000000
offset = 0
server_caps = Util.get_server_config('127.0.0.1')
virt_cam_angles, virt_audio_mixes, virt_muxes = self.get_virtual_camera_angles(
)
virt_cam_angles = virt_cam_angles.format(
video_caps=server_caps['videocaps'])
pipelineText = """
tcpserversrc host=0.0.0.0 port={video_port} ! matroskademux name=d ! {decode} !
videoconvert ! videorate ! videoscale ! {video_caps} !
identity name=videosrc !
{server_custom_pipe} {virt_cam_angles} mainmux.
audiotestsrc ! audiorate !
{audio_caps} ! tee name=audiosrc ! queue ! mainmux.
{virt_audio_mixes}
{virt_muxes}
matroskamux name=mainmux !
queue max-size-time=4000000000 !
tcpclientsink host=127.0.0.1 port={core_port}
""".format(video_port=self.cam_config.get(self.cam_id, "video_port"),
video_caps=server_caps['videocaps'],
audio_caps=server_caps['audiocaps'],
core_port=self.cam_config.get(self.cam_id, "core_port"),
server_custom_pipe=self.cam_config.get(
self.cam_id, "server_custom_pipe").strip(),
virt_cam_angles=virt_cam_angles,
virt_audio_mixes=virt_audio_mixes,
virt_muxes=virt_muxes,
decode=self.cam_config.get(self.cam_id, "decode"))
print(pipelineText)
pipeline = Gst.parse_launch(pipelineText)
offset = int(self.cam_config.get(self.cam_id, "offset")) * NS_TO_MS
if offset:
print("Using offset: {offset}".format(offset=offset))
pipeline.get_by_name("videosrc").get_static_pad("src").set_offset(
offset)
core_clock = Util.get_core_clock("127.0.0.1")
self.coreStreamer = GSTInstance(pipeline, core_clock)
self.coreStreamer.pipeline.bus.add_signal_watch()
self.coreStreamer.pipeline.bus.connect("message::eos", self.on_eos)
self.coreStreamer.pipeline.bus.connect("message::error", self.on_eos)
