dino/xmpp-vala/src/module/xep/0167_jingle_rtp/payload_type.vala

114 lines
4.4 KiB
Vala

using Gee;
using Xmpp;
using Xmpp.Xep;
public class Xmpp.Xep.JingleRtp.PayloadType {
public const string NAME = "payload-type";
public uint8 id { get; set; }
public string? name { get; set; }
public uint8 channels { get; set; default = 1; }
public uint32 clockrate { get; set; }
public uint32 maxptime { get; set; }
public uint32 ptime { get; set; }
public Map<string, string> parameters = new HashMap<string, string>();
public Gee.List<RtcpFeedback> rtcp_fbs = new ArrayList<RtcpFeedback>();
public static PayloadType parse(StanzaNode node) {
PayloadType payloadType = new PayloadType();
payloadType.channels = (uint8) node.get_attribute_uint("channels", payloadType.channels);
payloadType.clockrate = node.get_attribute_uint("clockrate");
payloadType.id = (uint8) node.get_attribute_uint("id");
payloadType.maxptime = node.get_attribute_uint("maxptime");
payloadType.name = node.get_attribute("name");
payloadType.ptime = node.get_attribute_uint("ptime");
foreach (StanzaNode parameter in node.get_subnodes("parameter")) {
payloadType.parameters[parameter.get_attribute("name")] = parameter.get_attribute("value");
}
foreach (StanzaNode subnode in node.get_subnodes(RtcpFeedback.NAME, RtcpFeedback.NS_URI)) {
payloadType.rtcp_fbs.add(RtcpFeedback.parse(subnode));
}
return payloadType;
}
public StanzaNode to_xml() {
StanzaNode node = new StanzaNode.build(NAME, NS_URI)
.put_attribute("id", id.to_string());
if (channels != 1) node.put_attribute("channels", channels.to_string());
if (clockrate != 0) node.put_attribute("clockrate", clockrate.to_string());
if (maxptime != 0) node.put_attribute("maxptime", maxptime.to_string());
if (name != null) node.put_attribute("name", name);
if (ptime != 0) node.put_attribute("ptime", ptime.to_string());
foreach (string parameter in parameters.keys) {
node.put_node(new StanzaNode.build("parameter", NS_URI)
.put_attribute("name", parameter)
.put_attribute("value", parameters[parameter]));
}
foreach (RtcpFeedback rtcp_fb in rtcp_fbs) {
node.put_node(rtcp_fb.to_xml());
}
return node;
}
public PayloadType clone() {
PayloadType clone = new PayloadType();
clone.id = id;
clone.name = name;
clone.channels = channels;
clone.clockrate = clockrate;
clone.maxptime = maxptime;
clone.ptime = ptime;
clone.parameters.set_all(parameters);
clone.rtcp_fbs.add_all(rtcp_fbs);
return clone;
}
public static bool equals_func(PayloadType a, PayloadType b) {
bool simple = a.id == b.id &&
a.name == b.name &&
a.channels == b.channels &&
a.clockrate == b.clockrate &&
a.maxptime == b.maxptime &&
a.ptime == b.ptime &&
a.parameters.size == b.parameters.size &&
a.rtcp_fbs.size == b.rtcp_fbs.size;
if (!simple) return false;
foreach (string key in a.parameters.keys) {
if (!b.parameters.has_key(key)) return false;
if (a.parameters[key] != b.parameters[key]) return false;
}
foreach (RtcpFeedback fb in a.rtcp_fbs) {
if (!b.rtcp_fbs.any_match((it) => it.type_ == fb.type_ && it.subtype == fb.subtype)) return false;
}
return true;
}
public static uint hash_func(PayloadType payload_type) {
return payload_type.to_xml().to_string().hash();
}
}
public class Xmpp.Xep.JingleRtp.RtcpFeedback {
public const string NS_URI = "urn:xmpp:jingle:apps:rtp:rtcp-fb:0";
public const string NAME = "rtcp-fb";
public string type_ { get; private set; }
public string? subtype { get; private set; }
public RtcpFeedback(string type, string? subtype = null) {
this.type_ = type;
this.subtype = subtype;
}
public static RtcpFeedback parse(StanzaNode node) {
return new RtcpFeedback(node.get_attribute("type"), node.get_attribute("subtype"));
}
public StanzaNode to_xml() {
StanzaNode node = new StanzaNode.build(NAME, NS_URI)
.add_self_xmlns()
.put_attribute("type", type_);
if (subtype != null) node.put_attribute("subtype", subtype);
return node;
}
}