async def start_stream(self, session_info, stream_config):
"""Start a new stream with the given configuration."""
_LOGGER.debug(
"[%s] Starting stream with the following parameters: %s",
session_info["id"],
stream_config,
)
input_source = await self._async_get_stream_source()
if not input_source:
_LOGGER.error("Camera has no stream source")
return False
if "-i " not in input_source:
input_source = "-i " + input_source
video_profile = ""
if self.config[CONF_VIDEO_CODEC] != "copy":
video_profile = (
"-profile:v " + VIDEO_PROFILE_NAMES[int.from_bytes(
stream_config["v_profile_id"], byteorder="big")] + " ")
audio_application = ""
if self.config[CONF_AUDIO_CODEC] == "libopus":
audio_application = "-application lowdelay "
output_vars = stream_config.copy()
output_vars.update({
"v_profile": video_profile,
"v_bufsize": stream_config["v_max_bitrate"] * 4,
"v_map": self.config[CONF_VIDEO_MAP],
"v_pkt_size": self.config[CONF_VIDEO_PACKET_SIZE],
"v_codec": self.config[CONF_VIDEO_CODEC],
"a_bufsize": stream_config["a_max_bitrate"] * 4,
"a_map": self.config[CONF_AUDIO_MAP],
"a_pkt_size": self.config[CONF_AUDIO_PACKET_SIZE],
"a_encoder": self.config[CONF_AUDIO_CODEC],
"a_application": audio_application,
})
output = VIDEO_OUTPUT.format(**output_vars)
if self.config[CONF_SUPPORT_AUDIO]:
output = output + " " + AUDIO_OUTPUT.format(**output_vars)
_LOGGER.debug("FFmpeg output settings: %s", output)
stream = HAFFmpeg(self._ffmpeg.binary)
opened = await stream.open(cmd=[],
input_source=input_source,
output=output,
stdout_pipe=False)
if not opened:
_LOGGER.error("Failed to open ffmpeg stream")
return False
_LOGGER.info(
"[%s] Started stream process - PID %d",
session_info["id"],
stream.process.pid,
)
session_info["stream"] = stream
session_info[FFMPEG_PID] = stream.process.pid
async def watch_session(_):
await self._async_ffmpeg_watch(session_info["id"])
session_info[FFMPEG_WATCHER] = async_track_time_interval(
self.hass,
watch_session,
FFMPEG_WATCH_INTERVAL,
)
return await self._async_ffmpeg_watch(session_info["id"])
"v_bufsize": stream_config["v_max_bitrate"] * 4,
"v_map": self.config[CONF_VIDEO_MAP],
"v_pkt_size": self.config[CONF_VIDEO_PACKET_SIZE],
"v_codec": self.config[CONF_VIDEO_CODEC],
"a_bufsize": stream_config["a_max_bitrate"] * 4,
"a_map": self.config[CONF_AUDIO_MAP],
"a_pkt_size": self.config[CONF_AUDIO_PACKET_SIZE],
"a_encoder": self.config[CONF_AUDIO_CODEC],
"a_application": audio_application,
}
)
output = VIDEO_OUTPUT.format(**output_vars)
if self.config[CONF_SUPPORT_AUDIO]:
output = output + " " + AUDIO_OUTPUT.format(**output_vars)
_LOGGER.debug("FFmpeg output settings: %s", output)
stream = HAFFmpeg(self._ffmpeg.binary)
opened = await stream.open(
cmd=[],
input_source=input_source,
output=output,
extra_cmd="-hide_banner -nostats",
stderr_pipe=True,
stdout_pipe=False,
)
if not opened:
_LOGGER.error("Failed to open ffmpeg stream")
return False
_LOGGER.info(
"[%s] Started stream process - PID %d",
session_info["id"],
