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-rw-r--r--openbsc/contrib/rtp/rtp_replay.st115
1 files changed, 68 insertions, 47 deletions
diff --git a/openbsc/contrib/rtp/rtp_replay.st b/openbsc/contrib/rtp/rtp_replay.st
index 929976783..7e73e93a3 100644
--- a/openbsc/contrib/rtp/rtp_replay.st
+++ b/openbsc/contrib/rtp/rtp_replay.st
@@ -4,53 +4,74 @@ Simple UDP replay from the state files
PackageLoader fileInPackage: #Sockets.
-Eval [
- | last_time last_image udp_send socket dest |
-
- last_time := nil.
- last_image := nil.
- file := FileStream open: 'rtp_ssrc13529910.240.240.1_to_10.240.240.50.state'.
-
- "Send the payload"
- dest := Sockets.SocketAddress byName: '127.0.0.1'.
- socket := Sockets.DatagramSocket new.
- udp_send := [:payload | | datagram |
- datagram := Sockets.Datagram data: payload contents address: dest port: 4000.
- socket nextPut: datagram
- ].
-
- [file atEnd] whileFalse: [
- | lineStream time data now_image |
- lineStream := file nextLine readStream.
-
- "Read the time, skip the blank, parse the data"
- time := Number readFrom: lineStream.
- lineStream skip: 1.
-
- data := WriteStream on: (ByteArray new: 30).
- [lineStream atEnd] whileFalse: [
- | hex |
- hex := lineStream next: 2.
- data nextPut: (Number readFrom: hex readStream radix: 16).
+Object subclass: RTPReplay [
+ | filename |
+ RTPReplay class >> on: aFile [
+ ^ self new
+ file: aFile; yourself
+ ]
+
+ file: aFile [
+ filename := aFile
+ ]
+
+ streamAudio: aHost port: aPort [
+ | file last_time last_image udp_send socket dest |
+
+ last_time := nil.
+ last_image := nil.
+ file := FileStream open: filename.
+
+ "Send the payload"
+ dest := Sockets.SocketAddress byName: aHost.
+ socket := Sockets.DatagramSocket new.
+ udp_send := [:payload | | datagram |
+ datagram := Sockets.Datagram data: payload contents address: dest port: aPort.
+ socket nextPut: datagram
].
- last_time isNil
- ifTrue: [
- "First time, send it right now"
- last_time := time.
- last_image := Time millisecondClockValue.
- udp_send value: data.
- ]
- ifFalse: [
- | wait_image new_image_time |
-
- "How long to wait?"
- wait_image := last_image + ((time - last_time) * 1000).
- [ wait_image > Time millisecondClockValue ] whileTrue: [].
-
- udp_send value: data.
- last_time := time.
- last_image := wait_image.
- ]
- ].
+ [file atEnd] whileFalse: [
+ | lineStream time data now_image |
+ lineStream := file nextLine readStream.
+
+ "Read the time, skip the blank, parse the data"
+ time := Number readFrom: lineStream.
+ lineStream skip: 1.
+
+ data := WriteStream on: (ByteArray new: 30).
+ [lineStream atEnd] whileFalse: [
+ | hex |
+ hex := lineStream next: 2.
+ data nextPut: (Number readFrom: hex readStream radix: 16).
+ ].
+
+ last_time isNil
+ ifTrue: [
+ "First time, send it right now"
+ last_time := time.
+ last_image := Time millisecondClockValue.
+ udp_send value: data.
+ ]
+ ifFalse: [
+ | wait_image new_image_time |
+
+ "How long to wait?"
+ wait_image := last_image + ((time - last_time) * 1000).
+ [ wait_image > Time millisecondClockValue ] whileTrue: [].
+
+ udp_send value: data.
+ last_time := time.
+ last_image := wait_image.
+ ]
+ ]
+ ]
+]
+
+Eval [
+ | replay |
+
+ replay := RTPReplay on: 'rtp_ssrc6976010.240.240.1_to_10.240.240.50.state'.
+
+ Transcript nextPutAll: 'Going to stream now'; nl.
+ replay streamAudio: '127.0.0.1' port: 4000.
]