move format processors into dedicated folder

internal/formatprocessor/processor.go

@@ -0,0 +1,48 @@
+// Package formatprocessor contains code to cleanup and normalize streams.
+package formatprocessor
+
+import (
+	"time"
+
+	"github.com/pion/rtp"
+
+	"github.com/aler9/gortsplib/v2/pkg/format"
+)
+
+// Data is the elementary data unit routed across the server.
+type Data interface {
+	GetRTPPackets() []*rtp.Packet
+	GetNTP() time.Time
+}
+
+// Processor allows to cleanup and normalize streams.
+type Processor interface {
+	// cleanups and normalizes a data unit.
+	Process(Data, bool) error
+}
+
+// New allocates a Processor.
+func New(forma format.Format, generateRTPPackets bool) (Processor, error) {
+	switch forma := forma.(type) {
+	case *format.H264:
+		return newH264(forma, generateRTPPackets)
+
+	case *format.H265:
+		return newH265(forma, generateRTPPackets)
+
+	case *format.VP8:
+		return newVP8(forma, generateRTPPackets)
+
+	case *format.VP9:
+		return newVP9(forma, generateRTPPackets)
+
+	case *format.MPEG4Audio:
+		return newMPEG4Audio(forma, generateRTPPackets)
+
+	case *format.Opus:
+		return newOpus(forma, generateRTPPackets)
+
+	default:
+		return newGeneric(forma, generateRTPPackets)
+	}
+}