Better RTSP protocol handling

pydroid_ipcam/__init__.py

@@ -1,7 +1,7 @@
 """PyDroidIPCam API for the Android IP Webcam app."""
 
 import asyncio
-from typing import Any, Dict, List, Optional, Union, cast
+from typing import Any, Dict, List, Optional, Union, cast, Literal
 
 import aiohttp
 from yarl import URL
@@ -63,10 +63,25 @@ def audio_opus_url(self) -> str:
         """Return url that LibOPUS audio can be streamed from."""
         return f"{self.base_url}/audio.opus"
 
+    def get_rtsp_url(
+        self,
+        video_codec: Literal["jpeg", "h264"] = "h264",
+        audio_codec: Literal["ulaw", "alaw", "pcm", "opus", "aac"] = "opus",
+    ) -> str:
+        """Return the RTSP URL for a given pair of video & audio codecs.
+
+        Use the developer-recommended h264 & opus if no arguments are supplied.
+        """
+        rtsp_protocol = "rtsps" if self._ssl else "rtsp"
+        return (
+            f"{rtsp_protocol}://{self._host}:{self._port}/"
+            f"{video_codec}_{audio_codec}.sdp"
+        )
+
     @property
     def h264_url(self) -> str:
         """Return h264 url."""
-        return f"rtsp://{self._host}:{self._port}/h264_pcm.sdp"
+        return self.get_rtsp_url("h264", "pcm")
 
     @property
     def image_url(self) -> str: