Adding file format network/rtpdump

network/rtpdump.ksy

@@ -0,0 +1,72 @@
+meta:
+  id: rtpdump
+  title: Rtpdump (rtptools)
+  file-extension:
+   - rtp
+   - rtpdump
+  license: Unlicense
+  endian: be
+  imports:
+    - /network/rtp_packet
+doc: |
+  rtpdump is a format used by rtptools to record and replay
+  rtp data from network capture.
+doc-ref: https://chromium.googlesource.com/external/webrtc/stable/talk/+/master/media/base/rtpdump.h
+seq:
+  - id: file_header
+    type: header_t
+  - id: packets
+    type: packet_t
+    repeat: eos
+types:
+  header_t:
+    seq:
+      - id: shebang
+        contents: '#!rtpplay1.0'
+      - id: space
+        contents: ' '
+      - id: ip
+        type: str
+        encoding: ascii
+        terminator: 0x2f # '/'
+      - id: port
+        type: str
+        encoding: ascii
+        terminator: 0x0a # '\n'
+      - id: start_sec
+        type: u4
+        doc: |
+          start of recording, the seconds part.
+      - id: start_usec
+        type: u4
+        doc: |
+          start of recording, the microseconds part.
+      - id: ip2
+        type: u4
+        doc: |
+          network source.
+      - id: port2
+        type: u2
+        doc: |
+          port.
+      - id: padding
+        type: u2
+        doc: |
+          2 bytes padding.
+  packet_t:
+    seq:
+      - id: length
+        type: u2
+        doc: |
+          packet length (including this header).
+      - id: len_body
+        type: u2
+        doc: |
+          payload length.
+      - id: packet_usec
+        type: u4
+        doc: |
+          timestamp of packet since the start.
+      - id: body
+        size: len_body
+        type: rtp_packet