Add two-way talk support for tp-link ipc camera (#1995)

* add tplink multitrans support

* 已经能成功播放音频了

* 初步能通讯了

* finish

* add tplink multitrans support

* 已经能成功播放音频了

* 初步能通讯了

* cleanup

* clean up

* Code refactoring for #1995

---------

Co-authored-by: Your Name <you@example.com>
Co-authored-by: Alex X <alexey.khit@gmail.com>

main.go

@@ -27,6 +27,7 @@ import (
 	"github.com/AlexxIT/go2rtc/internal/mjpeg"
 	"github.com/AlexxIT/go2rtc/internal/mp4"
 	"github.com/AlexxIT/go2rtc/internal/mpegts"
+	"github.com/AlexxIT/go2rtc/internal/multitrans"
 	"github.com/AlexxIT/go2rtc/internal/nest"
 	"github.com/AlexxIT/go2rtc/internal/ngrok"
 	"github.com/AlexxIT/go2rtc/internal/onvif"
@@ -95,6 +96,7 @@ func main() {
 		{"isapi", isapi.Init},
 		{"ivideon", ivideon.Init},
 		{"mpegts", mpegts.Init},
+		{"multitrans", multitrans.Init},
 		{"nest", nest.Init},
 		{"ring", ring.Init},
 		{"roborock", roborock.Init},