76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
"""
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Support for Cameras with FFmpeg as decoder.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/camera.ffmpeg/
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"""
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import logging
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from contextlib import closing
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import voluptuous as vol
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from homeassistant.components.camera import Camera
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from homeassistant.components.camera.mjpeg import extract_image_from_mjpeg
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import homeassistant.helpers.config_validation as cv
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from homeassistant.const import CONF_NAME, CONF_PLATFORM
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REQUIREMENTS = ["ha-ffmpeg==0.4"]
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CONF_INPUT = 'input'
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CONF_FFMPEG_BIN = 'ffmpeg_bin'
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CONF_EXTRA_ARGUMENTS = 'extra_arguments'
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PLATFORM_SCHEMA = vol.Schema({
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vol.Required(CONF_PLATFORM): "ffmpeg",
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vol.Optional(CONF_NAME, default="FFmpeg"): cv.string,
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vol.Required(CONF_INPUT): cv.string,
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vol.Optional(CONF_FFMPEG_BIN, default="ffmpeg"): cv.string,
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vol.Optional(CONF_EXTRA_ARGUMENTS): cv.string,
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})
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_devices_callback, discovery_info=None):
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"""Setup a FFmpeg Camera."""
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add_devices_callback([FFmpegCamera(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, config):
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"""Initialize a FFmpeg camera."""
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super().__init__()
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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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self._ffmpeg_bin = config.get(CONF_FFMPEG_BIN)
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def _ffmpeg_stream(self):
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"""Return a FFmpeg process object."""
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from haffmpeg import CameraMjpeg
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ffmpeg = CameraMjpeg(self._ffmpeg_bin)
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ffmpeg.open_camera(self._input, extra_cmd=self._extra_arguments)
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return ffmpeg
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def camera_image(self):
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"""Return a still image response from the camera."""
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with closing(self._ffmpeg_stream()) as stream:
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return extract_image_from_mjpeg(stream)
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def mjpeg_stream(self, response):
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"""Generate an HTTP MJPEG stream from the camera."""
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stream = self._ffmpeg_stream()
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return response(
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stream,
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mimetype='multipart/x-mixed-replace;boundary=ffserver',
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direct_passthrough=True
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)
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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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