-**This platform has been deprecated in favor of the "[OpenALPR image processing](/components/image_processing.openalpr_local/)" platform and will be removed in the future. Please use the "OpenALPR image processing" platform.** -
- -[OpenALPR](http://www.openalpr.com/) integration for Home Assistant allows you to process licences plates recorded with a camera. You can use them to open a garage door or trigger any other [automation](https://home-assistant.io/components/automation/). - --If you want use a video stream. You need setup the [ffmpeg](/components/ffmpeg) component. See also there for troubleshooting local ffmpeg installation. -
- -### {% linkable_title Local installation %} - -If you want process all data locally, you need version 2.3.1 or higher of the `alpr` commandline tool. - -If you don't find binaries for your distribution you can compile from source. Documention of how to build OpenALPR is found [here](https://github.com/openalpr/openalpr/wiki). - -On a Debian system you can use this `cmake` command to build only the command line tool: - -```bash -$ cmake -DWITH_TEST=FALSE -DWITH_BINDING_JAVA=FALSE --DWITH_BINDING_PYTHON=FALSE --DWITH_BINDING_GO=FALSE -DWITH_DAEMON=FALSE -DCMAKE_INSTALL_PREFIX:PATH=/usr .. -``` - -Verify your `alpr` installation with: - -``` -$ wget -O- -q http://plates.openalpr.com/h786poj.jpg | alpr - -``` - -### {% linkable_title Configuration Home Assistant %} - -```yaml -# Example configuration.yaml entry -openalpr: - engine: local - region: eu - confidence: 80.0 - entities: - - name: Camera garage 1 - interval: 5 - render: ffmpeg - input: INPUT_STREAM - extra_arguments: SOME OTHER FFMPEG STUFF - - name: Camera garage 2 - interval: 5 - render: image - input: https://camera_ip/still_image.jpg - username: admin - password: bla -``` - -Configuration variables: - -- **engine** (*Required*): `local` or `cloud` for processing -- **region** (*Required*): Country or region. List of supported [values](https://github.com/openalpr/openalpr/tree/master/runtime_data/config). -- **confidence** (*Optional*): The minimum of confidence in percent to process with Home Assistant. Defaults to 80. -- **entities** (*Required*): A list of device to add in Home Assistant. -- **name** (*Optional*): This parameter allows you to override the name of your OpenALPR entity. -- **interval** (*Optional*): Time in seconds to poll a picture. If the interval is 0 It don't poll and it only process data with `openalpr.scan` service. Default is 2 seconds. -- **render** (*Optional*): How is Home Assistant to get a picture from. It support `ffmpeg` for video streams and `image` for a still image. Default is with `ffmpeg`. -- **input** (*Required*): The source from getting pictures. With `ffmpeg` it could by all supported input. Image only support an URL. -- **extra_arguments** (*Optional*): Only available with `ffmpeg`. -- **username** (*Optional*): Only available with image for HTTP authentification. -- **password** (*Optional*): Only available with image for HTTP authentification. - -### {% linkable_title Configuration Home Assistant local processing %} - -```yaml -# Example configuration.yaml entry -openalpr: - engine: local - region: eu - alpr_binary: /usr/bin/alpr - entities: -... -``` -Configuration variables: - -- **alpr_binary** (*Optional*): Default `alpr`. The command line tool `alpr` from OpenALPR software for local processing. - -### {% linkable_title Configuration Home Assistant cloud processing %} - -```yaml -# Example configuration.yaml entry -openalpr: - engine: cloud - region: eu - api_key: SK_AAABBBBCCCEEEE - entities: -... -``` - -Configuration variables: - -- **api_key** (*Required*): You need an API key from [OpenALPR Cloud](https://cloud.openalpr.com/). - -#### {% linkable_title Service %} - -- `openalpr.scan`: Scan immediately a picture from input. -- `openalpr.restart`: Restart a ffmpeg process - -#### {% linkable_title Events %} - -```yaml -# Example configuration.yaml automation entry -automation: -- alias: Open garage door - trigger: - platform: event - event_type: openalpr.found - event_data: - entity_id: openalpr.camera_garage_1 - plate: BE2183423 -... -``` - -This event is trigger after OpenALPR found a new licence plate.