add example client-publish-aac

README.md

@@ -55,7 +55,8 @@ Features:
 * [client-read-pause](examples/client-read-pause/main.go)
 * [client-read-h264](examples/client-read-h264/main.go)
 * [client-read-save-to-disk](examples/client-read-save-to-disk/main.go)
-* [client-publish](examples/client-publish/main.go)
+* [client-publish-h264](examples/client-publish-h264/main.go)
+* [client-publish-aac](examples/client-publish-aac/main.go)
 * [client-publish-options](examples/client-publish-options/main.go)
 * [client-publish-pause](examples/client-publish-pause/main.go)
 * [server](examples/server/main.go)

examples/client-publish-aac/main.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+	"net"
+
+	"github.com/aler9/gortsplib"
+)
+
+// This example shows how to
+// 1. generate RTP/AAC packets with Gstreamer
+// 2. connect to a RTSP server, announce an AAC track
+// 3. route the packets from Gstreamer to the server
+
+func main() {
+	// open a listener to receive RTP/AAC packets
+	pc, err := net.ListenPacket("udp", "localhost:9000")
+	if err != nil {
+		panic(err)
+	}
+	defer pc.Close()
+
+	fmt.Println("Waiting for a RTP/AAC stream on UDP port 9000 - you can send one with Gstreamer:\n" +
+		"gst-launch-1.0 audiotestsrc freq=300 ! audioconvert ! audioresample ! audio/x-raw,rate=48000" +
+		" ! avenc_aac bitrate=128000" +
+		" ! rtpmp4gpay ! udpsink host=127.0.0.1 port=9000")
+
+	// wait for first packet
+	buf := make([]byte, 2048)
+	_, _, err = pc.ReadFrom(buf)
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println("stream connected")
+
+	// create an AAC track
+	track, err := gortsplib.NewTrackAAC(96, &gortsplib.TrackConfigAAC{Type: 2, SampleRate: 48000, ChannelCount: 2})
+	if err != nil {
+		panic(err)
+	}
+
+	// connect to the server and start publishing the track
+	conn, err := gortsplib.DialPublish("rtsp://localhost:8554/mystream",
+		gortsplib.Tracks{track})
+	if err != nil {
+		panic(err)
+	}
+	defer conn.Close()
+
+	buf = make([]byte, 2048)
+	for {
+		// read RTP packets from the source
+		n, _, err := pc.ReadFrom(buf)
+		if err != nil {
+			panic(err)
+		}
+
+		// write RTP packets
+		err = conn.WriteFrame(0, gortsplib.StreamTypeRTP, buf[:n])
+		if err != nil {
+			panic(err)
+		}
+	}
+}

examples/client-publish-h264/main.go

@@ -9,21 +9,22 @@ import (
 )
 
 // This example shows how to
-// 1. generate RTP/H264 frames from a file with Gstreamer
+// 1. generate RTP/H264 packets with Gstreamer
 // 2. connect to a RTSP server, announce an H264 track
-// 3. write the frames to the server
+// 3. route the packets from Gstreamer to the server
 
 func main() {
-	// open a listener to receive RTP/H264 frames
+	// open a listener to receive RTP/H264 packets
 	pc, err := net.ListenPacket("udp", "localhost:9000")
 	if err != nil {
 		panic(err)
 	}
 	defer pc.Close()
 
-	fmt.Println("Waiting for a rtp/h264 stream on port 9000 - you can send one with gstreamer:\n" +
+	fmt.Println("Waiting for a RTP/h264 stream on UDP port 9000 - you can send one with Gstreamer:\n" +
-		"gst-launch-1.0 filesrc location=video.mp4 ! qtdemux ! video/x-h264" +
+		"gst-launch-1.0 videotestsrc ! video/x-raw,width=1920,height=1080" +
-		" ! h264parse config-interval=1 ! rtph264pay ! udpsink host=127.0.0.1 port=9000")
+		" ! x264enc speed-preset=veryfast tune=zerolatency bitrate=600000" +
+		" ! rtph264pay ! udpsink host=127.0.0.1 port=9000")
 
 	// get SPS and PPS
 	decoder := rtph264.NewDecoder()