139 lines
4.7 KiB
Python
139 lines
4.7 KiB
Python
import logging
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from typing import List
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from ..liquidsoap.client import LiquidsoapClient
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from ..timeout import ls_timeout
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logger = logging.getLogger(__name__)
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def create_liquidsoap_annotation(media):
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# We need liq_start_next value in the annotate. That is the value that controls overlap duration of crossfade.
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filename = media["dst"]
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annotation = (
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'annotate:media_id="%s",liq_start_next="0",liq_fade_in="%s",'
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+ 'liq_fade_out="%s",liq_cue_in="%s",liq_cue_out="%s",'
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+ 'schedule_table_id="%s",replay_gain="%s dB"'
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) % (
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media["id"],
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float(media["fade_in"]) / 1000,
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float(media["fade_out"]) / 1000,
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float(media["cue_in"]),
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float(media["cue_out"]),
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media["row_id"],
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media["replay_gain"],
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)
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# Override the the artist/title that Liquidsoap extracts from a file's metadata
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# with the metadata we get from Airtime. (You can modify metadata in Airtime's library,
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# which doesn't get saved back to the file.)
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if "metadata" in media:
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if "artist_name" in media["metadata"]:
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artist_name = media["metadata"]["artist_name"]
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if isinstance(artist_name, str):
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annotation += ',artist="%s"' % (artist_name.replace('"', '\\"'))
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if "track_title" in media["metadata"]:
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track_title = media["metadata"]["track_title"]
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if isinstance(track_title, str):
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annotation += ',title="%s"' % (track_title.replace('"', '\\"'))
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annotation += ":" + filename
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return annotation
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class TelnetLiquidsoap:
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def __init__(
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self,
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liq_client: LiquidsoapClient,
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queues: List[str],
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):
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self.liq_client = liq_client
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self.queues = queues
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self.current_prebuffering_stream_id = None
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@ls_timeout
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def queue_clear_all(self):
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try:
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self.liq_client.queues_remove(*self.queues)
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def queue_remove(self, queue_id):
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try:
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self.liq_client.queues_remove(queue_id)
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def queue_push(self, queue_id, media_item):
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try:
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annotation = create_liquidsoap_annotation(media_item)
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self.liq_client.queue_push(queue_id, annotation, media_item["show_name"])
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def stop_web_stream_buffer(self):
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try:
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self.liq_client.web_stream_stop_buffer()
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def stop_web_stream_output(self):
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try:
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self.liq_client.web_stream_stop()
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def start_web_stream(self, media_item):
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try:
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self.liq_client.web_stream_start()
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self.current_prebuffering_stream_id = None
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def start_web_stream_buffer(self, media_item):
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try:
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self.liq_client.web_stream_start_buffer(
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media_item["row_id"],
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media_item["uri"],
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)
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self.current_prebuffering_stream_id = media_item["row_id"]
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def get_current_stream_id(self):
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try:
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return self.liq_client.web_stream_get_id()
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def disconnect_source(self, sourcename):
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if sourcename not in ("master_dj", "live_dj"):
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raise ValueError(f"invalid source name: {sourcename}")
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try:
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logger.debug("Disconnecting source: %s", sourcename)
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self.liq_client.source_disconnect(sourcename)
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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@ls_timeout
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def switch_source(self, sourcename, status):
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if sourcename not in ("master_dj", "live_dj", "scheduled_play"):
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raise ValueError(f"invalid source name: {sourcename}")
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try:
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logger.debug('Switching source: %s to "%s" status', sourcename, status)
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self.liq_client.source_switch_status(sourcename, status == "on")
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except (ConnectionError, TimeoutError) as exception:
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logger.exception(exception)
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