From a101387b26fc1c6afbf0c3b8c57147041725808e Mon Sep 17 00:00:00 2001
From: Alexey Khit <alexey.khit@gmail.com>
Date: Sat, 2 Sep 2023 06:31:34 +0300
Subject: [PATCH] Add debug logger

---
 pkg/debug/debug.go | 58 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 pkg/debug/debug.go

diff --git a/pkg/debug/debug.go b/pkg/debug/debug.go
new file mode 100644
index 00000000..918cddfb
--- /dev/null
+++ b/pkg/debug/debug.go
@@ -0,0 +1,58 @@
+package debug
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/pion/rtp"
+)
+
+func Logger(include func(packet *rtp.Packet) bool) func(packet *rtp.Packet) {
+	var lastTime = time.Now()
+	var lastTS uint32
+
+	var secCnt int
+	var secSize int
+	var secTS uint32
+	var secTime time.Time
+
+	return func(packet *rtp.Packet) {
+		if include != nil && !include(packet) {
+			return
+		}
+
+		now := time.Now()
+
+		fmt.Printf(
+			"%s: size:%6d, ts:%10d, type:%2d, ssrc:%d, seq:%5d, mark:%t, dts:%4d, dtime:%3d\n",
+			now.Format("15:04:05.000"),
+			len(packet.Payload), packet.Timestamp, packet.PayloadType, packet.SSRC, packet.SequenceNumber, packet.Marker,
+			packet.Timestamp-lastTS, now.Sub(lastTime).Milliseconds(),
+		)
+
+		lastTS = packet.Timestamp
+		lastTime = now
+
+		if secTS == 0 {
+			secTS = lastTS
+			secTime = now
+			return
+		}
+
+		if dt := now.Sub(secTime); dt > time.Second {
+			fmt.Printf(
+				"%s: size:%6d, cnt:%d, dts: %d, dtime:%d\n",
+				now.Format("15:04:05.000"),
+				secSize, secCnt, lastTS-secTS, dt.Milliseconds(),
+			)
+
+			secCnt = 0
+			secSize = 0
+			secTS = lastTS
+			secTime = now
+		}
+
+		secCnt++
+		secSize += len(packet.Payload)
+	}
+}