From 54721ad7b17dfbb4e12fe50095b6cc966434eedc Mon Sep 17 00:00:00 2001
From: Ryan Heise <ryan@ryanheise.com>
Date: Wed, 29 Apr 2020 23:33:17 +1000
Subject: [PATCH] Workaround to supply file extension to ExoPlayer

---
 .../com/ryanheise/just_audio/AudioPlayer.java     | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/android/src/main/java/com/ryanheise/just_audio/AudioPlayer.java b/android/src/main/java/com/ryanheise/just_audio/AudioPlayer.java
index f5f4a2f..c7a9fa1 100644
--- a/android/src/main/java/com/ryanheise/just_audio/AudioPlayer.java
+++ b/android/src/main/java/com/ryanheise/just_audio/AudioPlayer.java
@@ -371,9 +371,10 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Met
 		);
 		DataSource.Factory dataSourceFactory = new DefaultDataSourceFactory(context, httpDataSourceFactory);
 		Uri uri = Uri.parse(url);
-		if (uri.getPath().toLowerCase().endsWith(".mpd")) {
+		String extension = getLowerCaseExtension(uri);
+		if (extension.equals("mpd")) {
 			mediaSource = new DashMediaSource.Factory(dataSourceFactory).createMediaSource(uri);
-		} else if (uri.getPath().toLowerCase().endsWith(".m3u8")) {
+		} else if (extension.equals("m3u8")) {
 			mediaSource = new HlsMediaSource.Factory(dataSourceFactory).createMediaSource(uri);
 		} else {
 			mediaSource = new ProgressiveMediaSource.Factory(dataSourceFactory).createMediaSource(uri);
@@ -381,6 +382,16 @@ public class AudioPlayer implements MethodCallHandler, Player.EventListener, Met
 		player.prepare(mediaSource);
 	}
 
+	private String getLowerCaseExtension(Uri uri) {
+		// Until ExoPlayer provides automatic detection of media source types, we
+		// rely on the file extension. When this is absent, as a temporary
+		// workaround we allow the app to supply a fake extension in the URL
+		// fragment. e.g.  https://somewhere.com/somestream?x=etc#.m3u8
+		String fragment = uri.getFragment();
+		String filename = fragment != null && fragment.contains(".") ? fragment : uri.getPath();
+		return filename.replaceAll("^.*\\.", "").toLowerCase();
+	}
+
 	public void setClip(final Long start, final Long end, final Result result) {
 		if (state == PlaybackState.none) {
 			throw new IllegalStateException("Cannot call setClip from none state");