75 lines
2.0 KiB
Plaintext
75 lines
2.0 KiB
Plaintext
module RTP_CodecPort {
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/* Simple RTP Codec Port, translating between raw UDP primitives with
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* octetstring payload towards the IPL4asp provider, and RTP primitives
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* which carry the decoded abstract RTP data types as payload.
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*
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* (C) 2017 by Harald Welte <laforge@gnumonks.org>
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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import from IPL4asp_PortType all;
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import from IPL4asp_Types all;
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import from RTP_Types all;
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type record RTP_RecvFrom {
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ConnectionId connId,
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HostName remName,
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PortNumber remPort,
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HostName locName,
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PortNumber locPort,
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RTP_messages_union msg
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};
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template RTP_RecvFrom t_RTP_RecvFrom(template RTP_messages_union msg) := {
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connId := ?,
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remName := ?,
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remPort := ?,
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locName := ?,
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locPort := ?,
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msg := msg
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}
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type record RTP_Send {
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ConnectionId connId,
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RTP_messages_union msg
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}
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template RTP_Send t_RTP_Send(template ConnectionId connId, template RTP_messages_union msg) := {
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connId := connId,
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msg := msg
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}
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private function IPL4_to_RTP_RecvFrom(in ASP_RecvFrom pin, out RTP_RecvFrom pout) {
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pout.connId := pin.connId;
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pout.remName := pin.remName;
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pout.remPort := pin.remPort;
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pout.locName := pin.locName;
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pout.locPort := pin.locPort;
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pout.msg := f_RTP_dec(pin.msg)
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} with { extension "prototype(fast)" };
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private function RTP_to_IPL4_Send(in RTP_Send pin, out ASP_Send pout) {
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pout.connId := pin.connId;
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pout.proto := { udp := {} };
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pout.msg := f_RTP_enc(pin.msg);
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} with { extension "prototype(fast)" };
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type port RTP_CODEC_PT message {
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out RTP_Send;
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in RTP_RecvFrom,
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ASP_ConnId_ReadyToRelease,
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ASP_Event;
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} with { extension "user IPL4asp_PT
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out(RTP_Send -> ASP_Send:function(RTP_to_IPL4_Send))
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in(ASP_RecvFrom -> RTP_RecvFrom: function(IPL4_to_RTP_RecvFrom);
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ASP_ConnId_ReadyToRelease -> ASP_ConnId_ReadyToRelease: simple;
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ASP_Event -> ASP_Event: simple)"
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}
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}
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