add "error" log level

internal/core/core.go

@@ -87,7 +87,7 @@ func New(args []string) (*Core, bool) {
 
 	err = p.createResources(true)
 	if err != nil {
-		p.Log(logger.Info, "ERR: %s", err)
+		p.Log(logger.Error, "%s", err)
 		p.closeResources(nil, false)
 		return nil, false
 	}
@@ -95,7 +95,7 @@ func New(args []string) (*Core, bool) {
 	if p.confFound {
 		p.confWatcher, err = confwatcher.New(p.confPath)
 		if err != nil {
-			p.Log(logger.Info, "ERR: %s", err)
+			p.Log(logger.Error, "%s", err)
 			p.closeResources(nil, false)
 			return nil, false
 		}
@@ -144,13 +144,13 @@ outer:
 
 			newConf, _, err := conf.Load(p.confPath)
 			if err != nil {
-				p.Log(logger.Info, "ERR: %s", err)
+				p.Log(logger.Error, "%s", err)
 				break outer
 			}
 
 			err = p.reloadConf(newConf, false)
 			if err != nil {
-				p.Log(logger.Info, "ERR: %s", err)
+				p.Log(logger.Error, "%s", err)
 				break outer
 			}
 
@@ -159,7 +159,7 @@ outer:
 
 			err := p.reloadConf(newConf, true)
 			if err != nil {
-				p.Log(logger.Info, "ERR: %s", err)
+				p.Log(logger.Error, "%s", err)
 				break outer
 			}
 

internal/core/hls_muxer.go

@@ -3,6 +3,7 @@ package core
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -195,7 +196,6 @@ func (r *hlsMuxer) PathName() string {
 
 func (r *hlsMuxer) run() {
 	defer r.wg.Done()
-	defer r.log(logger.Info, "destroyed")
 
 	innerCtx, innerCtxCancel := context.WithCancel(context.Background())
 	innerReady := make(chan struct{})
@@ -206,36 +206,34 @@ func (r *hlsMuxer) run() {
 
 	isReady := false
 
-outer:
-	for {
-		select {
-		case <-r.ctx.Done():
-			innerCtxCancel()
-			<-innerErr
-			break outer
+	err := func() error {
+		for {
+			select {
+			case <-r.ctx.Done():
+				innerCtxCancel()
+				<-innerErr
+				return errors.New("terminated")
 
-		case req := <-r.request:
-			if isReady {
-				req.Res <- r.handleRequest(req)
-			} else {
-				r.requests = append(r.requests, req)
-			}
+			case req := <-r.request:
+				if isReady {
+					req.Res <- r.handleRequest(req)
+				} else {
+					r.requests = append(r.requests, req)
+				}
 
-		case <-innerReady:
-			isReady = true
-			for _, req := range r.requests {
-				req.Res <- r.handleRequest(req)
-			}
-			r.requests = nil
+			case <-innerReady:
+				isReady = true
+				for _, req := range r.requests {
+					req.Res <- r.handleRequest(req)
+				}
+				r.requests = nil
 
-		case err := <-innerErr:
-			innerCtxCancel()
-			if err != nil {
-				r.log(logger.Info, "ERR: %s", err)
+			case err := <-innerErr:
+				innerCtxCancel()
+				return err
 			}
-			break outer
 		}
-	}
+	}()
 
 	r.ctxCancel()
 
@@ -244,6 +242,8 @@ outer:
 	}
 
 	r.parent.OnMuxerClose(r)
+
+	r.log(logger.Info, "destroyed (%v)", err)
 }
 
 func (r *hlsMuxer) runInner(innerCtx context.Context, innerReady chan struct{}) error {

internal/core/rtmp_conn.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io"
 	"net"
 	"net/url"
 	"strings"
@@ -144,44 +143,45 @@ func (c *rtmpConn) safeState() gortsplib.ServerSessionState {
 
 func (c *rtmpConn) run() {
 	defer c.wg.Done()
-	defer c.log(logger.Info, "closed")
 
-	if c.runOnConnect != "" {
-		c.log(logger.Info, "runOnConnect command started")
-		_, port, _ := net.SplitHostPort(c.rtspAddress)
-		onConnectCmd := externalcmd.New(c.runOnConnect, c.runOnConnectRestart, externalcmd.Environment{
-			Path: "",
-			Port: port,
-		})
+	err := func() error {
+		if c.runOnConnect != "" {
+			c.log(logger.Info, "runOnConnect command started")
+			_, port, _ := net.SplitHostPort(c.rtspAddress)
+			onConnectCmd := externalcmd.New(c.runOnConnect, c.runOnConnectRestart, externalcmd.Environment{
+				Path: "",
+				Port: port,
+			})
 
-		defer func() {
-			onConnectCmd.Close()
-			c.log(logger.Info, "runOnConnect command stopped")
-		}()
-	}
-
-	ctx, cancel := context.WithCancel(c.ctx)
-	runErr := make(chan error)
-	go func() {
-		runErr <- c.runInner(ctx)
-	}()
-
-	select {
-	case err := <-runErr:
-		cancel()
-
-		if err != io.EOF {
-			c.log(logger.Info, "ERR: %s", err)
+			defer func() {
+				onConnectCmd.Close()
+				c.log(logger.Info, "runOnConnect command stopped")
+			}()
 		}
 
-	case <-c.ctx.Done():
-		cancel()
-		<-runErr
-	}
+		ctx, cancel := context.WithCancel(c.ctx)
+		runErr := make(chan error)
+		go func() {
+			runErr <- c.runInner(ctx)
+		}()
+
+		select {
+		case err := <-runErr:
+			cancel()
+			return err
+
+		case <-c.ctx.Done():
+			cancel()
+			<-runErr
+			return errors.New("terminated")
+		}
+	}()
 
 	c.ctxCancel()
 
 	c.parent.OnConnClose(c)
+
+	c.log(logger.Info, "closed (%v)", err)
 }
 
 func (c *rtmpConn) runInner(ctx context.Context) error {
@@ -505,7 +505,7 @@ func (c *rtmpConn) runPublish(ctx context.Context) error {
 		switch pkt.Type {
 		case av.H264:
 			if videoTrack == nil {
-				return fmt.Errorf("ERR: received an H264 frame, but track is not set up")
+				return fmt.Errorf("received an H264 frame, but track is not set up")
 			}
 
 			nalus, err := h264.DecodeAVCC(pkt.Data)
@@ -532,7 +532,7 @@ func (c *rtmpConn) runPublish(ctx context.Context) error {
 
 			pkts, err := h264Encoder.Encode(outNALUs, pkt.Time+pkt.CTime)
 			if err != nil {
-				return fmt.Errorf("ERR while encoding H264: %v", err)
+				return fmt.Errorf("error while encoding H264: %v", err)
 			}
 
 			bytss := make([][]byte, len(pkts))
@@ -550,12 +550,12 @@ func (c *rtmpConn) runPublish(ctx context.Context) error {
 
 		case av.AAC:
 			if audioTrack == nil {
-				return fmt.Errorf("ERR: received an AAC frame, but track is not set up")
+				return fmt.Errorf("received an AAC frame, but track is not set up")
 			}
 
 			pkts, err := aacEncoder.Encode([][]byte{pkt.Data}, pkt.Time+pkt.CTime)
 			if err != nil {
-				return fmt.Errorf("ERR while encoding AAC: %v", err)
+				return fmt.Errorf("error while encoding AAC: %v", err)
 			}
 
 			bytss := make([][]byte, len(pkts))

internal/core/rtmp_source.go

@@ -181,7 +181,7 @@ func (s *rtmpSource) runInner() bool {
 						switch pkt.Type {
 						case av.H264:
 							if videoTrack == nil {
-								return fmt.Errorf("ERR: received an H264 frame, but track is not set up")
+								return fmt.Errorf("received an H264 frame, but track is not set up")
 							}
 
 							nalus, err := h264.DecodeAVCC(pkt.Data)
@@ -203,7 +203,7 @@ func (s *rtmpSource) runInner() bool {
 
 							pkts, err := h264Encoder.Encode(outNALUs, pkt.Time+pkt.CTime)
 							if err != nil {
-								return fmt.Errorf("ERR while encoding H264: %v", err)
+								return fmt.Errorf("error while encoding H264: %v", err)
 							}
 
 							bytss := make([][]byte, len(pkts))
@@ -221,12 +221,12 @@ func (s *rtmpSource) runInner() bool {
 
 						case av.AAC:
 							if audioTrack == nil {
-								return fmt.Errorf("ERR: received an AAC frame, but track is not set up")
+								return fmt.Errorf("received an AAC frame, but track is not set up")
 							}
 
 							pkts, err := aacEncoder.Encode([][]byte{pkt.Data}, pkt.Time+pkt.CTime)
 							if err != nil {
-								return fmt.Errorf("ERR while encoding AAC: %v", err)
+								return fmt.Errorf("error while encoding AAC: %v", err)
 							}
 
 							bytss := make([][]byte, len(pkts))

internal/logger/logger.go

@@ -19,6 +19,7 @@ const (
 	Debug Level = iota + 1
 	Info
 	Warn
+	Error
 )
 
 // Destination is a log destination.
@@ -137,25 +138,33 @@ func writeLevel(buf *bytes.Buffer, level Level, doColor bool) {
 	switch level {
 	case Debug:
 		if doColor {
-			buf.WriteString(color.RenderString(color.Debug.Code(), "D "))
+			buf.WriteString(color.RenderString(color.Debug.Code(), "D"))
 		} else {
-			buf.WriteString("D ")
+			buf.WriteString("D")
 		}
 
 	case Info:
 		if doColor {
-			buf.WriteString(color.RenderString(color.Green.Code(), "I "))
+			buf.WriteString(color.RenderString(color.Green.Code(), "I"))
 		} else {
-			buf.WriteString("I ")
+			buf.WriteString("I")
 		}
 
 	case Warn:
 		if doColor {
-			buf.WriteString(color.RenderString(color.Warn.Code(), "W "))
+			buf.WriteString(color.RenderString(color.Warn.Code(), "W"))
 		} else {
-			buf.WriteString("W ")
+			buf.WriteString("W")
+		}
+
+	case Error:
+		if doColor {
+			buf.WriteString(color.RenderString(color.Error.Code(), "E"))
+		} else {
+			buf.WriteString("E")
 		}
 	}
+	buf.WriteByte(' ')
 }
 
 func writeContent(buf *bytes.Buffer, format string, args []interface{}) {