Convert /newpipe/util/StreamTypeUtil to kotlin

Author: Yevhen Babiichuk (DustDFG)

app/src/main/java/org/schabi/newpipe/util/StreamTypeUtil.java

@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import org.schabi.newpipe.extractor.stream.StreamType
+
+/**
+ * Utility class for [StreamType].
+ */
+object StreamTypeUtil {
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.AUDIO_STREAM],
+     * [StreamType.AUDIO_LIVE_STREAM] or [StreamType.POST_LIVE_AUDIO_STREAM]
+     */
+    @JvmStatic
+    fun isAudio(streamType: StreamType): Boolean {
+        return streamType == StreamType.AUDIO_STREAM ||
+            streamType == StreamType.AUDIO_LIVE_STREAM ||
+            streamType == StreamType.POST_LIVE_AUDIO_STREAM
+    }
+
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.VIDEO_STREAM],
+     * [StreamType.LIVE_STREAM] or [StreamType.POST_LIVE_STREAM]
+     */
+    @JvmStatic
+    fun isVideo(streamType: StreamType): Boolean {
+        return streamType == StreamType.VIDEO_STREAM ||
+            streamType == StreamType.LIVE_STREAM ||
+            streamType == StreamType.POST_LIVE_STREAM
+    }
+
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.LIVE_STREAM] or
+     * [StreamType.AUDIO_LIVE_STREAM]
+     */
+    @JvmStatic
+    fun isLiveStream(streamType: StreamType): Boolean {
+        return streamType == StreamType.LIVE_STREAM ||
+            streamType == StreamType.AUDIO_LIVE_STREAM
+    }
+}