Fixing linting issues

pkg/flexfec/encoder_interceptor.go

@@ -16,7 +16,7 @@ type FecInterceptor struct {
 	minNumMediaPackets uint32
 }
 
-// Option can be used to set initial options on Fec encoder interceptors.
+// FecOption can be used to set initial options on Fec encoder interceptors.
 type FecOption func(d *FecInterceptor) error
 
 // FecInterceptorFactory creates new FecInterceptors.
@@ -64,9 +64,9 @@ func (r *FecInterceptor) BindLocalStream(info *interceptor.StreamInfo, writer in
 			fecPackets = r.flexFecEncoder.EncodeFec(r.packetBuffer, 2)
 
 			for _, fecPacket := range fecPackets {
-				result, err := writer.Write(&fecPacket.Header, fecPacket.Payload, attributes)
+				fecResult, fecErr := writer.Write(&fecPacket.Header, fecPacket.Payload, attributes)
 
-				if err != nil && result == 0 {
+				if fecErr != nil && fecResult == 0 {
 					break
 				}
 			}

pkg/flexfec/flexfec_coverage.go

@@ -145,6 +145,8 @@ func (p *ProtectionCoverage) ExtractMask3(fecPacketIndex uint32) uint64 {
 	return mask3
 }
 
+// ExtractMask3 returns the third section of the bitmask as defined by the FEC header.
+// https://datatracker.ietf.org/doc/html/draft-ietf-payload-flexible-fec-scheme-03#section-4.2
 func (p *ProtectionCoverage) ExtractMask3_03(fecPacketIndex uint32) uint64 {
 	mask := p.packetMasks[fecPacketIndex]
 	// We remove the first 46 bits

pkg/flexfec/flexfec_encoder.go

@@ -25,7 +25,7 @@ type FlexEncoder interface {
 	EncodeFec(mediaPackets []rtp.Packet, numFecPackets uint32) []rtp.Packet
 }
 
-// FlexEncoder implements the Fec encoding mechanism for the "Flex" variant of FlexFec.
+// FlexEncoder20 implements the Fec encoding mechanism for the "Flex" variant of FlexFec.
 type FlexEncoder20 struct {
 	fecBaseSn   uint16
 	payloadType uint8