For #3176: GB28181: Error and logging for HEVC. v5.0.95 (#3276)

1. Parse video codec from PSM packet.
2. Return error and logging if HEVC packet.
3. Ignore invalid AVC NALUs, drop AVC AUD and SEI.
4. Disconnect TCP connection if HEVC.

trunk/src/kernel/srs_kernel_ts.hpp

@@ -131,6 +131,7 @@ enum SrsTsStream
     // ITU-T Rec. H.222.0 | ISO/IEC 13818-1 Reserved
     // 0x15-0x7F
     SrsTsStreamVideoH264 = 0x1b,
+    SrsTsStreamVideoHEVC = 0x24,
     // User Private
     // 0x80-0xFF
     SrsTsStreamAudioAC3 = 0x81,