rtmp: remove unsafe and C imports from amf.go

unsafe importing functions moved to rtmp.go.

rtmp/amf.go

@@ -33,16 +33,10 @@ LICENSE
 */
 package rtmp
 
-/*
-#include <stdlib.h>
-*/
-import "C"
-
 import (
 	"encoding/binary"
 	"log"
 	"math"
-	"unsafe"
 )
 
 var (
@@ -55,43 +49,6 @@ const (
 	AMF3_INTEGER_MIN = -268435456
 )
 
-func pp2b(b, e *byte) []byte {
-	if b == nil {
-		return nil
-	}
-	base := unsafe.Pointer(b)
-	len := uintptr(unsafe.Pointer(e)) - uintptr(base)
-	return (*[_Gi]byte)(base)[:len]
-}
-
-func pl2b(b *byte, l int) []byte {
-	if b == nil {
-		return nil
-	}
-	base := unsafe.Pointer(b)
-	return (*[_Gi]byte)(base)[:l]
-}
-
-func b2pp(buf []byte) (b, e *byte) {
-	if buf == nil {
-		return nil, nil
-	}
-	if len(buf) == 0 {
-		b = *(**byte)(unsafe.Pointer(&buf))
-		return b, b
-	}
-	b = &buf[0]
-	e = (*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(b)) + uintptr(len(buf))))
-	return b, e
-}
-
-func bAddr(buf []byte) *byte {
-	if len(buf) == 0 {
-		return nil
-	}
-	return &buf[0]
-}
-
 // unsigned short AMF_DecodeInt16(const char* data);
 // amf.c +41
 func C_AMF_DecodeInt16(data []byte) uint16 {

rtmp/rtmp.go

@@ -62,6 +62,43 @@ import (
 
 const _Gi = 1 << 30
 
+func pp2b(b, e *byte) []byte {
+	if b == nil {
+		return nil
+	}
+	base := unsafe.Pointer(b)
+	len := uintptr(unsafe.Pointer(e)) - uintptr(base)
+	return (*[_Gi]byte)(base)[:len]
+}
+
+func pl2b(b *byte, l int) []byte {
+	if b == nil {
+		return nil
+	}
+	base := unsafe.Pointer(b)
+	return (*[_Gi]byte)(base)[:l]
+}
+
+func b2pp(buf []byte) (b, e *byte) {
+	if buf == nil {
+		return nil, nil
+	}
+	if len(buf) == 0 {
+		b = *(**byte)(unsafe.Pointer(&buf))
+		return b, b
+	}
+	b = &buf[0]
+	e = (*byte)(unsafe.Pointer(uintptr(unsafe.Pointer(b)) + uintptr(len(buf))))
+	return b, e
+}
+
+func bAddr(buf []byte) *byte {
+	if len(buf) == 0 {
+		return nil
+	}
+	return &buf[0]
+}
+
 const (
 	minDataSize = 11
 	debugMode   = false