Corrected writing with many cameras.

writer/cmd/main.go

@@ -3,17 +3,11 @@ package main
 import (
 	"flag"
 	"log"
-	"net/http"
-	_ "net/http/pprof"
 	"writer/internal/config"
 	"writer/internal/procRTSP"
 )
 
 func main() {
-	// Profile.
-	go func() {
-		log.Println(http.ListenAndServe("localhost:6060", nil))
-	}()
 
 	directory := flag.String("dir", "/home/psa/GoRepository", "directory")
 	flag.Parse()
@@ -35,6 +29,5 @@ func main() {
 			}
 		}()
 	}
-
 	select {}
 }

writer/internal/procRTSP/client.go

@@ -8,8 +8,6 @@ import (
 	"github.com/bluenviron/gortsplib/v4/pkg/base"
 	"github.com/bluenviron/gortsplib/v4/pkg/description"
 	"github.com/bluenviron/gortsplib/v4/pkg/format"
-	"github.com/bluenviron/gortsplib/v4/pkg/format/rtph264"
-	"github.com/bluenviron/gortsplib/v4/pkg/format/rtplpcm"
 	"github.com/pion/rtp"
 	_ "github.com/zaf/g711"
 	"log"
@@ -21,12 +19,6 @@ import (
 	"writer/pkg/converter"
 )
 
-var (
-	resolutions = []string{"1280x720"}
-	h264RTPDec  *rtph264.Decoder
-	g711RTPDec  *rtplpcm.Decoder
-)
-
 // StartWriter starts the program.
 func StartWriter(dir string, period int, URI string) error {
 	err := ProcRTSP(dir, period, URI)
@@ -45,9 +37,11 @@ func StartWriter(dir string, period int, URI string) error {
 }
 
 // ProcRTSP process RTSP protocol and writes H264 and PCM flows into TS container.
-func ProcRTSP(dir string, period int, URI string) error {
+func ProcRTSP(dir string, period int, link string) error {
+	resolutions := []string{"1280x720"}
+
 	// Return the last part of the URI after "/".
-	cuttedURI := config.CutURI(URI)
+	cuttedURI := config.CutURI(link)
 
 	// Create FileName structure
 	fn := config.CreateFileName(dir, resolutions, cuttedURI, period)
@@ -71,7 +65,7 @@ func ProcRTSP(dir string, period int, URI string) error {
 	}
 
 	// Parse URL.
-	u, err := base.ParseURL(URI)
+	u, err := base.ParseURL(link)
 	if err != nil {
 		return fmt.Errorf("parse URL error: %w", err)
 	}
@@ -86,37 +80,42 @@ func ProcRTSP(dir string, period int, URI string) error {
 	// Find available medias.
 	desc, _, err := c.Describe(u)
 	if err != nil || desc == nil {
-		return fmt.Errorf("medias not found: %w", err)
+		log.Printf("medias not found for camera [%s]: %v", link, err)
+		return nil
 	}
 
 	////////////////////////////////////////////////////////////////////////////////////////
 
 	// Find the H264 media and format.
+	//var run bool
 	h264Format, h264Media, err := media.CheckH264Format(desc)
+	if err != nil {
+		log.Printf("H264 format not found: %v", err)
+		//run = true
+	}
 
-	// Find the G711 media and format.
+	//// Find the G711 media and format.
-	g711Format, g711Media, err := media.CheckG711Format(desc)
+	//g711Format, g711Media, err := media.CheckG711Format(desc)
+	//if err != nil {
+	//	log.Printf("G711 format not found: %v", err)
+	//	run = true
+	//}
 
 	// Initialising variable for AAC.
 	// var mpeg4AudioFormat *format.MPEG4Audio
 
 	////////////////////////////////////////////////////////////////////////////////////////
-
 	// Create RTP -> H264 decoder.
-	if h264Format != nil {
+	h264RTPDec, err := h264Format.CreateDecoder()
-		h264RTPDec, err = h264Format.CreateDecoder()
+	if err != nil {
-		if err != nil {
+		log.Printf("create H264 decoder error: %v", err)
-			return fmt.Errorf("create H264 decoder error: %w", err)
-		}
 	}
 
 	// Create RTP -> H264 decoder.
-	if g711Format != nil {
+	//g711RTPDec, err := g711Format.CreateDecoder()
-		g711RTPDec, err = g711Format.CreateDecoder()
+	//if err != nil {
-		if err != nil {
+	//	log.Printf("create G711 decoder error: %v", err)
-			return fmt.Errorf("create G711 decoder error: %w", err)
+	//}
-		}
-	}
 
 	////////////////////////////////////////////////////////////////////////////////////////
 
@@ -127,7 +126,7 @@ func ProcRTSP(dir string, period int, URI string) error {
 	////////////////////////////////////////////////////////////////////////////////////////
 
 	// Setup MPEG-TS muxer.
-	currentMpegtsMuxer := &converter.MpegtsMuxer{
+	currentMpegtsMuxer := converter.MpegtsMuxer{
 		FileName:   fn.SetNumNTime(),
 		H264Format: h264Format,
 		// Mpeg4AudioFormat: mpeg4AudioFormat,
@@ -151,7 +150,7 @@ func ProcRTSP(dir string, period int, URI string) error {
 
 	// Called when a H264/RTP or G711/RTP packet arrives.
 	c.OnPacketRTPAny(func(medi *description.Media, forma format.Format, pkt *rtp.Packet) {
-		switch f := forma.(type) {
+		switch forma.(type) {
 		case *format.H264:
 			// Process H264 flow and return PTS and AU.
 			pts, au, err := media.ProcH264(&c, h264Media, h264RTPDec, pkt)
@@ -166,17 +165,17 @@ func ProcRTSP(dir string, period int, URI string) error {
 			}
 
 		case *format.G711:
-			// Process G711 flow and returns PTS and AU.
+			//// Process G711 flow and returns PTS and AU.
-			_, au, err := media.ProcG711(&c, g711Media, g711RTPDec, pkt)
+			//_, _, err := media.ProcG711(&c, g711Media, g711RTPDec, pkt)
-			if err != nil {
+			//if err != nil {
-				log.Printf("%s: process G711 error: %s\n", cuttedURI, err)
+			//	log.Printf("%s: process G711 error: %s\n", cuttedURI, err)
-			}
+			//}
 
-			// Convert G711 to AAC.
+			//// Convert G711 to AAC.
-			_, err = converter.ConvertG711ToAAC(au, f.MULaw) // take aacAu
+			//_, err = converter.ConvertG711ToAAC(au, f.MULaw) // take aacAu
-			if err != nil {
+			//if err != nil {
-				log.Printf("%s: converting G711 to AAC frame: %s\n", cuttedURI, err)
+			//	log.Printf("%s: converting G711 to AAC frame: %s\n", cuttedURI, err)
-			}
+			//}
 
 			/*
 				// Encode the access unit into MPEG-TS.
@@ -227,7 +226,6 @@ func ProcRTSP(dir string, period int, URI string) error {
 			//}
 		}
 	}
-
 	panic(c.Wait())
 }