mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
93 lines
2.9 KiB
Python
93 lines
2.9 KiB
Python
"""Support for Cameras with FFmpeg as decoder."""
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from __future__ import annotations
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from haffmpeg.camera import CameraMjpeg
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from haffmpeg.tools import IMAGE_JPEG
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import voluptuous as vol
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from homeassistant.components.camera import PLATFORM_SCHEMA, SUPPORT_STREAM, Camera
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from homeassistant.const import CONF_NAME
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from . import CONF_EXTRA_ARGUMENTS, CONF_INPUT, DATA_FFMPEG, async_get_image
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DEFAULT_NAME = "FFmpeg"
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DEFAULT_ARGUMENTS = "-pred 1"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_INPUT): cv.string,
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vol.Optional(CONF_EXTRA_ARGUMENTS, default=DEFAULT_ARGUMENTS): cv.string,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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}
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)
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async def async_setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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async_add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up a FFmpeg camera."""
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async_add_entities([FFmpegCamera(hass, config)])
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class FFmpegCamera(Camera):
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"""An implementation of an FFmpeg camera."""
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def __init__(self, hass, config):
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"""Initialize a FFmpeg camera."""
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super().__init__()
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self._manager = hass.data[DATA_FFMPEG]
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self._name = config.get(CONF_NAME)
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self._input = config.get(CONF_INPUT)
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self._extra_arguments = config.get(CONF_EXTRA_ARGUMENTS)
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@property
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def supported_features(self):
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"""Return supported features."""
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return SUPPORT_STREAM
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async def stream_source(self):
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"""Return the stream source."""
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return self._input.split(" ")[-1]
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async def async_camera_image(
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self, width: int | None = None, height: int | None = None
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) -> bytes | None:
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"""Return a still image response from the camera."""
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return await async_get_image(
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self.hass,
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self._input,
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output_format=IMAGE_JPEG,
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extra_cmd=self._extra_arguments,
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)
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async def handle_async_mjpeg_stream(self, request):
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"""Generate an HTTP MJPEG stream from the camera."""
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stream = CameraMjpeg(self._manager.binary)
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await stream.open_camera(self._input, extra_cmd=self._extra_arguments)
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try:
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stream_reader = await stream.get_reader()
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return await async_aiohttp_proxy_stream(
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self.hass,
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request,
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stream_reader,
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self._manager.ffmpeg_stream_content_type,
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)
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finally:
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await stream.close()
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@property
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def name(self):
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"""Return the name of this camera."""
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return self._name
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