From fe5e16fdfab6e5f0a2ee31c65d857931885a8f47 Mon Sep 17 00:00:00 2001
From: sean tearney <sean@ispyconnect.com>
Date: Wed, 15 Sep 2021 12:03:03 +0800
Subject: [PATCH] NalUnit type has valid range 0-31

https://yumichan.net/video-processing/video-compression/introduction-to-h264-nal-unit/
---
 RtspClientSharp/MediaParsers/H264Parser.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/RtspClientSharp/MediaParsers/H264Parser.cs b/RtspClientSharp/MediaParsers/H264Parser.cs
index a217784..c90082e 100644
--- a/RtspClientSharp/MediaParsers/H264Parser.cs
+++ b/RtspClientSharp/MediaParsers/H264Parser.cs
@@ -120,7 +120,7 @@ private void ProcessNalUnit(ArraySegment<byte> byteSegment, bool hasStartMarker,
             int nalUnitType = byteSegment.Array[offset] & 0x1F;
             bool nri = ((byteSegment.Array[offset] >> 5) & 3) == 0;
 
-            if (!(nalUnitType > 0 && nalUnitType < 24))
+            if (!(nalUnitType > -1 && nalUnitType < 32))
                 throw new H264ParserException($"Invalid nal unit type: {nalUnitType}");
 
             if (nalUnitType == 7)
@@ -286,4 +286,4 @@ private static FrameType GetFrameType(int sliceType)
             return FrameType.Unknown;
         }
     }
-}
\ No newline at end of file
+}