core/homeassistant/components/vlc_telnet/media_player.py

288 lines
10 KiB
Python

"""Provide functionality to interact with the vlc telnet interface."""
from __future__ import annotations
from collections.abc import Awaitable, Callable, Coroutine
from functools import wraps
from typing import Any, Concatenate, Literal
from aiovlc.client import Client
from aiovlc.exceptions import AuthError, CommandError, ConnectError
from homeassistant.components import media_source
from homeassistant.components.media_player import (
BrowseMedia,
MediaPlayerEntity,
MediaPlayerEntityFeature,
MediaPlayerState,
MediaType,
async_process_play_media_url,
)
from homeassistant.config_entries import SOURCE_HASSIO, ConfigEntry
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant
from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
from homeassistant.helpers.entity_platform import AddEntitiesCallback
import homeassistant.util.dt as dt_util
from . import VlcConfigEntry
from .const import DEFAULT_NAME, DOMAIN, LOGGER
MAX_VOLUME = 500
def _get_str(data: dict, key: str) -> str | None:
"""Get a value from a dictionary and cast it to a string or None."""
if value := data.get(key):
return str(value)
return None
async def async_setup_entry(
hass: HomeAssistant, entry: VlcConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up the vlc platform."""
# CONF_NAME is only present in imported YAML.
name = entry.data.get(CONF_NAME) or DEFAULT_NAME
vlc = entry.runtime_data.vlc
available = entry.runtime_data.available
async_add_entities([VlcDevice(entry, vlc, name, available)], True)
def catch_vlc_errors[_VlcDeviceT: VlcDevice, **_P](
func: Callable[Concatenate[_VlcDeviceT, _P], Awaitable[None]],
) -> Callable[Concatenate[_VlcDeviceT, _P], Coroutine[Any, Any, None]]:
"""Catch VLC errors."""
@wraps(func)
async def wrapper(self: _VlcDeviceT, *args: _P.args, **kwargs: _P.kwargs) -> None:
"""Catch VLC errors and modify availability."""
try:
await func(self, *args, **kwargs)
except CommandError as err:
LOGGER.error("Command error: %s", err)
except ConnectError as err:
if self._attr_available:
LOGGER.error("Connection error: %s", err)
self._attr_available = False
return wrapper
class VlcDevice(MediaPlayerEntity):
"""Representation of a vlc player."""
_attr_has_entity_name = True
_attr_name = None
_attr_media_content_type = MediaType.MUSIC
_attr_supported_features = (
MediaPlayerEntityFeature.CLEAR_PLAYLIST
| MediaPlayerEntityFeature.NEXT_TRACK
| MediaPlayerEntityFeature.PAUSE
| MediaPlayerEntityFeature.PLAY
| MediaPlayerEntityFeature.PLAY_MEDIA
| MediaPlayerEntityFeature.PREVIOUS_TRACK
| MediaPlayerEntityFeature.SEEK
| MediaPlayerEntityFeature.SHUFFLE_SET
| MediaPlayerEntityFeature.STOP
| MediaPlayerEntityFeature.VOLUME_MUTE
| MediaPlayerEntityFeature.VOLUME_SET
| MediaPlayerEntityFeature.BROWSE_MEDIA
)
_volume_bkp = 0.0
volume_level: int
def __init__(
self, config_entry: ConfigEntry, vlc: Client, name: str, available: bool
) -> None:
"""Initialize the vlc device."""
self._config_entry = config_entry
self._vlc = vlc
self._attr_available = available
config_entry_id = config_entry.entry_id
self._attr_unique_id = config_entry_id
self._attr_device_info = DeviceInfo(
entry_type=DeviceEntryType.SERVICE,
identifiers={(DOMAIN, config_entry_id)},
manufacturer="VideoLAN",
name=name,
)
self._using_addon = config_entry.source == SOURCE_HASSIO
@catch_vlc_errors
async def async_update(self) -> None:
"""Get the latest details from the device."""
if not self.available:
try:
await self._vlc.connect()
except ConnectError as err:
LOGGER.debug("Connection error: %s", err)
return
try:
await self._vlc.login()
except AuthError:
LOGGER.debug("Failed to login to VLC")
self.hass.async_create_task(
self.hass.config_entries.async_reload(self._config_entry.entry_id)
)
return
self._attr_state = MediaPlayerState.IDLE
self._attr_available = True
LOGGER.debug("Connected to vlc host: %s", self._vlc.host)
status = await self._vlc.status()
LOGGER.debug("Status: %s", status)
self._attr_volume_level = status.audio_volume / MAX_VOLUME
state = status.state
if state == "playing":
self._attr_state = MediaPlayerState.PLAYING
elif state == "paused":
self._attr_state = MediaPlayerState.PAUSED
else:
self._attr_state = MediaPlayerState.IDLE
if self._attr_state != MediaPlayerState.IDLE:
self._attr_media_duration = (await self._vlc.get_length()).length
time_output = await self._vlc.get_time()
vlc_position = time_output.time
# Check if current position is stale.
if vlc_position != self.media_position:
self._attr_media_position_updated_at = dt_util.utcnow()
self._attr_media_position = vlc_position
info = await self._vlc.info()
data = info.data
LOGGER.debug("Info data: %s", data)
self._attr_media_album_name = _get_str(data.get("data", {}), "album")
self._attr_media_artist = _get_str(data.get("data", {}), "artist")
self._attr_media_title = _get_str(data.get("data", {}), "title")
now_playing = _get_str(data.get("data", {}), "now_playing")
# Many radio streams put artist/title/album in now_playing and title is the station name.
if now_playing:
if not self.media_artist:
self._attr_media_artist = self._attr_media_title
self._attr_media_title = now_playing
if self.media_title:
return
# Fall back to filename.
if data_info := data.get("data"):
media_title = _get_str(data_info, "filename")
# Strip out auth signatures if streaming local media
if media_title and (pos := media_title.find("?authSig=")) != -1:
self._attr_media_title = media_title[:pos]
else:
self._attr_media_title = media_title
@catch_vlc_errors
async def async_media_seek(self, position: float) -> None:
"""Seek the media to a specific location."""
await self._vlc.seek(round(position))
@catch_vlc_errors
async def async_mute_volume(self, mute: bool) -> None:
"""Mute the volume."""
assert self._attr_volume_level is not None
if mute:
self._volume_bkp = self._attr_volume_level
await self.async_set_volume_level(0)
else:
await self.async_set_volume_level(self._volume_bkp)
self._attr_is_volume_muted = mute
@catch_vlc_errors
async def async_set_volume_level(self, volume: float) -> None:
"""Set volume level, range 0..1."""
await self._vlc.set_volume(round(volume * MAX_VOLUME))
self._attr_volume_level = volume
if self.is_volume_muted and self.volume_level > 0:
# This can happen if we were muted and then see a volume_up.
self._attr_is_volume_muted = False
@catch_vlc_errors
async def async_media_play(self) -> None:
"""Send play command."""
status = await self._vlc.status()
if status.state == "paused":
# If already paused, play by toggling pause.
await self._vlc.pause()
else:
await self._vlc.play()
self._attr_state = MediaPlayerState.PLAYING
@catch_vlc_errors
async def async_media_pause(self) -> None:
"""Send pause command."""
status = await self._vlc.status()
if status.state != "paused":
# Make sure we're not already paused as pausing again will unpause.
await self._vlc.pause()
self._attr_state = MediaPlayerState.PAUSED
@catch_vlc_errors
async def async_media_stop(self) -> None:
"""Send stop command."""
await self._vlc.stop()
self._attr_state = MediaPlayerState.IDLE
@catch_vlc_errors
async def async_play_media(
self, media_type: MediaType | str, media_id: str, **kwargs: Any
) -> None:
"""Play media from a URL or file."""
# Handle media_source
if media_source.is_media_source_id(media_id):
sourced_media = await media_source.async_resolve_media(
self.hass, media_id, self.entity_id
)
media_id = sourced_media.url
# If media ID is a relative URL, we serve it from HA.
media_id = async_process_play_media_url(
self.hass, media_id, for_supervisor_network=self._using_addon
)
await self._vlc.add(media_id)
self._attr_state = MediaPlayerState.PLAYING
@catch_vlc_errors
async def async_media_previous_track(self) -> None:
"""Send previous track command."""
await self._vlc.prev()
@catch_vlc_errors
async def async_media_next_track(self) -> None:
"""Send next track command."""
await self._vlc.next()
@catch_vlc_errors
async def async_clear_playlist(self) -> None:
"""Clear players playlist."""
await self._vlc.clear()
@catch_vlc_errors
async def async_set_shuffle(self, shuffle: bool) -> None:
"""Enable/disable shuffle mode."""
shuffle_command: Literal["on", "off"] = "on" if shuffle else "off"
await self._vlc.random(shuffle_command)
async def async_browse_media(
self,
media_content_type: MediaType | str | None = None,
media_content_id: str | None = None,
) -> BrowseMedia:
"""Implement the websocket media browsing helper."""
return await media_source.async_browse_media(self.hass, media_content_id)