vlc play stream successful，but in this program it failed.

[7288Fzq]

the console output is like this:
`2023/10/23 21:04:13 [Recovery] 2023/10/23 - 21:04:13 panic recovered:
runtime error: index out of range [0] with length 0
/home/tony/Downloads/go1.21.3.linux-amd64/go/src/runtime/panic.go:114 (0x438b7b)
goPanicIndex: panic(boundsError{x: int64(x), signed: true, y: y, code: boundsIndex})
/home/tony/go/pkg/mod/github.com/deepch/vdk@v0.0.20/codec/h264parser/parser.go:668 (0xa1d865)
CodecData.SPS: return self.RecordInfo.SPS[0]
/home/tony/RTSPtoWebRTC/config.go:186 (0xa1d5f8)
(*ConfigST).coGe: if codecVideo.SPS() != nil && codecVideo.PPS() != nil && len(codecVideo.SPS()) > 0 && len(codecVideo.PPS()) > 0 {
/home/tony/RTSPtoWebRTC/http.go:74 (0xa1ebfa)
HTTPAPIServerStreamCodec: codecs := Config.coGe(c.Param("uuid"))
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 (0x9f754a)
(*Context).Next: c.handlersc.index
/home/tony/RTSPtoWebRTC/http.go:170 (0xa223b9)
serveHTTP.CORSMiddleware.func1: c.Next()
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 (0xa043b9)
(*Context).Next: c.handlersc.index
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/recovery.go:102 (0xa043a7)
CustomRecoveryWithWriter.func1: c.Next()
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 (0xa0355d)
(*Context).Next: c.handlersc.index
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/logger.go:240 (0xa0352c)
LoggerWithConfig.func1: c.Next()
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/context.go:174 (0xa0263a)
(*Context).Next: c.handlersc.index
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/gin.go:620 (0xa022cd)
(*Engine).handleHTTPRequest: c.Next()
/home/tony/go/pkg/mod/github.com/gin-gonic/gin@v1.9.0/gin.go:576 (0xa01dfc)
(*Engine).ServeHTTP: engine.handleHTTPRequest(c)
/home/tony/Downloads/go1.21.3.linux-amd64/go/src/net/http/server.go:2938 (0x6e29cd)
serverHandler.ServeHTTP: handler.ServeHTTP(rw, req)
/home/tony/Downloads/go1.21.3.linux-amd64/go/src/net/http/server.go:2009 (0x6de8b3)
(*conn).serve: serverHandler{c.server}.ServeHTTP(w, w.req)
/home/tony/Downloads/go1.21.3.linux-amd64/go/src/runtime/asm_amd64.s:1650 (0x46d6c0)
goexit: BYTE $0x90 // NOP

[GIN] 2023/10/23 - 21:04:13 | 500 | 632.757µs | 127.0.0.1 | GET "/stream/codec/demo3"
`

[7288Fzq]

O[2023-10-23T23:47:15+08:00] Server CORE start func=main module=main
INFO[2023-10-23T23:47:15+08:00] Server RTSP start call=Start func=RTSPServer module=rtsp_server
INFO[2023-10-23T23:47:15+08:00] Server HTTP start call=Start func=RTSPServer module=http_server
INFO[2023-10-23T23:47:15+08:00] Server start success a wait signals func=main module=main
DEBU[2023-10-23T23:48:01+08:00] Saving configuration to config.json func=NewStreamCore module=config
INFO[2023-10-23T23:48:01+08:00] Run stream call=Run channel=0 func=StreamServerRunStreamDo module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d
INFO[2023-10-23T23:48:01+08:00] Success connection RTSP call=Start channel=0 func=StreamServerRunStream module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d
ERRO[2023-10-23T23:48:08+08:00] stream not found call=HLSMuxerM3U8 channel=0 func=HTTPAPIServerStreamHLSLLM3U8 module=http_hlsll stream=85a28e2d-3691-439a-b576-07da2eb5f58d
ERRO[2023-10-23T23:48:10+08:00] stream channel codec not ready, possible stream offline call=StreamCodecs channel=0 func=HTTPAPIServerStreamMSE module=http_mse stream=85a28e2d-3691-439a-b576-07da2eb5f58d
ERRO[2023-10-23T23:48:10+08:00] call=Close channel=0 func=HTTPAPIServerStreamMSE module=http_mse stream=85a28e2d-3691-439a-b576-07da2eb5f58d
INFO[2023-10-23T23:48:10+08:00] Client Full Exit
ERRO[2023-10-23T23:48:10+08:00] stream channel codec not ready, possible stream offline call=StreamCodecs channel=0 func=HTTPAPIServerStreamWebRTC module=http_webrtc stream=85a28e2d-3691-439a-b576-07da2eb5f58d
ERRO[2023-10-23T23:48:21+08:00] Stream error restart stream stream no video call=Restart
INFO[2023-10-23T23:48:23+08:00] Run stream call=Run channel=0 func=StreamServerRunStreamDo module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d
INFO[2023-10-23T23:48:23+08:00] Success connection RTSP call=Start channel=0 func=StreamServerRunStream module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d
ERRO[2023-10-23T23:48:43+08:00] Stream error restart stream stream no video call=Restart
INFO[2023-10-23T23:48:45+08:00] Run stream call=Run channel=0 func=StreamServerRunStreamDo module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d
INFO[2023-10-23T23:48:45+08:00] Success connection RTSP call=Start channel=0 func=StreamServerRunStream module=core stream=85a28e2d-3691-439a-b576-07da2eb5f58d