Add streaming support w/ audio to Android IP Webcam integration (#126009)

* Add streaming support w/ audio to Android IP Webcam integration

* ruff reformat

* Fix ruff

* Break long comments and strings

* Add camera test

* Fix docstring

* Remove dead code

* Call library function to get URL

* Simplify

---------

Co-authored-by: Shay Levy <levyshay1@gmail.com>
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
Co-authored-by: Erik Montnemery <erik@montnemery.com>

homeassistant/components/android_ip_webcam/camera.py

@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+from homeassistant.components.camera import CameraEntityFeature
 from homeassistant.components.mjpeg import MjpegCamera, filter_urllib3_logging
 from homeassistant.const import (
     CONF_HOST,
@@ -31,6 +32,7 @@ class IPWebcamCamera(MjpegCamera):
     """Representation of a IP Webcam camera."""
 
     _attr_has_entity_name = True
+    _attr_supported_features = CameraEntityFeature.STREAM
 
     def __init__(self, coordinator: AndroidIPCamDataUpdateCoordinator) -> None:
         """Initialize the camera."""
@@ -46,3 +48,17 @@ class IPWebcamCamera(MjpegCamera):
             identifiers={(DOMAIN, coordinator.config_entry.entry_id)},
             name=coordinator.config_entry.data[CONF_HOST],
         )
+        self._coordinator = coordinator
+
+    async def stream_source(self) -> str:
+        """Get the stream source for the Android IP camera."""
+        return self._coordinator.cam.get_rtsp_url(
+            video_codec="h264",  # most compatible & recommended
+            # while "opus" is compatible with more devices,
+            # HA's stream integration requires AAC or MP3,
+            # and IP webcam doesn't provide MP3 audio.
+            # aac is supported on select devices >= android 4.1.
+            # The stream will be quiet on devices that don't support aac,
+            # but it won't fail.
+            audio_codec="aac",
+        )