feat: add secure on-demand HLS playback plugin

src/Exception/SessionLimitException.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugin\AzuraCastOnDemandHls\Exception;
+
+use RuntimeException;
+
+final class SessionLimitException extends RuntimeException
+{
+    public function __construct()
+    {
+        parent::__construct('Maximum concurrent playback sessions reached.');
+    }
+}

src/Exception/TranscodeBusyException.php

@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugin\AzuraCastOnDemandHls\Exception;
+
+final class TranscodeBusyException extends TranscodeException
+{
+}

src/Exception/TranscodeException.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Plugin\AzuraCastOnDemandHls\Exception;
+
+use RuntimeException;
+
+final class TranscodeException extends RuntimeException
+{
+}