rtmp: remove unused fields

reported by honnef.co/go/tools/cmd/unused

rtmp_headers.go:145:2: field sb_ssl is unused (U1000)
rtmp_headers.go:167:2: field subscribepath is unused (U1000)
rtmp_headers.go:168:2: field usherToken is unused (U1000)
rtmp_headers.go:170:2: field pubUser is unused (U1000)
rtmp_headers.go:171:2: field pubPasswd is unused (U1000)
rtmp_headers.go:173:2: field edepth is unused (U1000)
rtmp_headers.go:175:2: field stopTime is unused (U1000)
rtmp_headers.go:180:2: field pFlags is unused (U1000)
rtmp_headers.go:189:2: field bufpos is unused (U1000)
rtmp_headers.go:190:2: field buflen is unused (U1000)
rtmp_headers.go:191:2: field timestamp is unused (U1000)
rtmp_headers.go:195:2: field initialFrameType is unused (U1000)
rtmp_headers.go:197:2: field metaHeader is unused (U1000)
rtmp_headers.go:198:2: field initialFrame is unused (U1000)
rtmp_headers.go:199:2: field nMetaHeaderSize is unused (U1000)
rtmp_headers.go:200:2: field nInitialFrameSize is unused (U1000)
rtmp_headers.go:223:2: field m_mediaStamp is unused (U1000)
rtmp_headers.go:224:2: field m_pauseStamp is unused (U1000)
rtmp_headers.go:245:2: field m_polling is unused (U1000)
rtmp_headers.go:248:2: field m_clientID is unused (U1000)

rtmp/rtmp_headers.go

@@ -142,7 +142,6 @@ type C_RTMPSockBuf struct {
 	sb_start    *byte
 	sb_buf      [RTMP_BUFFER_CACHE_SIZE]byte // port const
 	sb_timedout int32
-	sb_ssl      uintptr
 }
 
 // RTMPPacket_IsReady(a)
@@ -154,50 +153,35 @@ func C_RTMPPacket_IsReady(p *C_RTMPPacket) bool {
 // typedef struct RTMP_LNK
 // rtmp.h +144
 type C_RTMP_LNK struct {
-	hostname      string
-	sockshost     string
-	playpath0     string
-	playpath      string
-	tcUrl         string
-	swfUrl        string
-	pageUrl       string
-	app           string
-	auth          string
-	flashVer      string
-	subscribepath string
-	usherToken    string
-	token         string
-	pubUser       string
-	pubPasswd     string
-	extras        C_AMFObject
-	edepth        int32
-	seekTime      int32
-	stopTime      int32
-	lFlags        int32
-	swfAge        int32
-	protocol      int32
-	timeout       int32
-	pFlags        int32
-	socksport     uint16
-	port          uint16
+	hostname  string
+	sockshost string
+	playpath0 string
+	playpath  string
+	tcUrl     string
+	swfUrl    string
+	pageUrl   string
+	app       string
+	auth      string
+	flashVer  string
+	token     string
+	extras    C_AMFObject
+	seekTime  int32
+	lFlags    int32
+	swfAge    int32
+	protocol  int32
+	timeout   int32
+	socksport uint16
+	port      uint16
 }
 
 // typedef struct RTMP_READ
 // rtmp.h +200
 type C_RTMP_READ struct {
 	buf                     *byte
-	bufpos                  *byte
-	buflen                  uint
-	timestamp               uint32
 	dataType                uint8
 	flags                   uint8
 	status                  int8
-	initialFrameType        uint8
 	nResumeTS               uint32
-	metaHeader              *byte
-	initialFrame            *byte
-	nMetaHeaderSize         uint32
-	nInitialFrameSize       uint32
 	nIgnoredFrameCounter    uint32
 	nIgnoredFlvFrameCounter uint32
 }
@@ -220,8 +204,6 @@ type C_RTMP struct {
 	m_nBufferMS            int32
 	m_stream_id            int32
 	m_mediaChannel         int32
-	m_mediaStamp           uint32
-	m_pauseStamp           uint32
 	m_pausing              int32
 	m_nServerBW            int32
 	m_nClientBW            int32
@@ -242,10 +224,8 @@ type C_RTMP struct {
 	m_fEncoding            float64
 	m_fDuration            float64
 	m_msgCounter           int32
-	m_polling              int32
 	m_resplen              int32
 	m_unackd               int32
-	m_clientID             string
 	m_read                 C_RTMP_READ
 	m_write                C_RTMPPacket
 	m_sb                   C_RTMPSockBuf