gb28181 sdp 消息构造与解析
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@ -19,6 +19,24 @@
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</properties>
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<dependencies>
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<!-- Jackson -->
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-core</artifactId>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.dataformat</groupId>
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<artifactId>jackson-dataformat-xml</artifactId>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-annotations</artifactId>
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</dependency>
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<!-- Logging -->
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<dependency>
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<groupId>org.slf4j</groupId>
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@ -3,6 +3,7 @@ package cn.skcks.docking.gb28181.sdp;
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import cn.skcks.docking.gb28181.sdp.field.ssrc.SsrcField;
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import gov.nist.javax.sdp.SessionDescriptionImpl;
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import lombok.Getter;
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import lombok.RequiredArgsConstructor;
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import lombok.Setter;
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import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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@ -21,6 +22,12 @@ public class GB28181Description extends SessionDescriptionImpl implements Sessio
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super();
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}
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@SuppressWarnings("CopyConstructorMissesField")
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public GB28181Description(GB28181Description gb28181Description) throws SdpException {
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super(gb28181Description);
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ssrcField = gb28181Description.getSsrcField();
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}
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public GB28181Description(SessionDescription sessionDescription) throws SdpException {
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super(sessionDescription);
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}
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@ -1,18 +1,35 @@
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package cn.skcks.docking.gb28181.sdp;
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import cn.skcks.docking.gb28181.sdp.field.ssrc.SsrcField;
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import cn.skcks.docking.gb28181.sdp.media.MediaStreamMode;
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import com.fasterxml.jackson.annotation.JsonCreator;
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import com.fasterxml.jackson.annotation.JsonValue;
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import gov.nist.core.Separators;
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import gov.nist.javax.sdp.MediaDescriptionImpl;
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import gov.nist.javax.sdp.fields.AttributeField;
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import gov.nist.javax.sdp.fields.ConnectionField;
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import gov.nist.javax.sdp.fields.TimeField;
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import gov.nist.javax.sdp.fields.URIField;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.StringUtils;
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import java.util.HashMap;
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import java.util.Map;
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import javax.sdp.*;
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import java.util.*;
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@SuppressWarnings("unused")
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@Slf4j
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public class GB28181SDPBuilder {
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public final static String SEPARATOR = "_";
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public static String getStreamId(String prefix,String... ids){
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return StringUtils.joinWith(SEPARATOR, (Object[]) ArrayUtils.addFirst(ids,prefix));
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public static String getStreamId(String prefix, String... ids) {
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return StringUtils.joinWith(SEPARATOR, (Object[]) ArrayUtils.addFirst(ids, prefix));
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}
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public static final Map<String, String> RTPMAP = new HashMap<>() {{
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public static Map<String, String> RTPMAP = new HashMap<>() {{
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put("96", "PS/90000");
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put("126", "H264/90000");
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put("125", "H264S/90000");
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@ -20,8 +37,218 @@ public class GB28181SDPBuilder {
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put("98", "H264/90000");
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put("97", "MPEG4/90000");
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}};
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public static final Map<String, String> FMTP = new HashMap<>() {{
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public static Map<String, String> FMTP = new HashMap<>() {{
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put("126", "profile-level-id=42e01e");
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put("125", "profile-level-id=42e01e");
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}};
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@AllArgsConstructor
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@Getter
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public enum Protocol {
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RTP_AVP(SdpConstants.RTP_AVP),
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RTP_AVP_TCP(SdpConstants.RTP_AVP + "/" + "TCP"),
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// 个别会使用这种格式
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TCP_RTP_AVP("TCP" + "/" + SdpConstants.RTP_AVP);
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@JsonValue
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private final String protocol;
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@JsonCreator
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public static Protocol fromProtocol(String protocol) {
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for (Protocol a : values()) {
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if (a.getProtocol().equalsIgnoreCase(protocol)) {
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return a;
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}
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}
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return null;
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}
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@SneakyThrows
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public static Protocol fromProtocol(MediaDescription mediaDescription) {
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String protocol = mediaDescription.getMedia().getProtocol();
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for (Protocol a : values()) {
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if (a.getProtocol().equalsIgnoreCase(protocol)) {
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return a;
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}
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}
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return null;
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}
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}
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@AllArgsConstructor
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@Getter
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public enum Action {
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PLAY("Play"), PLAY_BACK("Playback"), DOWNLOAD("Download");
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@JsonValue
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private final String action;
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@JsonCreator
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public static Action fromCode(String action) {
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for (Action a : values()) {
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if (a.getAction().equalsIgnoreCase(action)) {
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return a;
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}
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}
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return null;
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}
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}
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@SuppressWarnings("Duplicates")
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@SneakyThrows
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public static GB28181Description build(Action action, String deviceId, String channelId,
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String netType, String rtpIp, int rtpPort, String ssrc,
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MediaStreamMode streamMode, TimeDescription timeDescription,
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boolean isRecv, Map<String,String> rtpMap, Map<String,String> fmtpMap) {
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log.debug("{} {} {} {} {} {} {} {} {}", action, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription);
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GB28181Description description = new GB28181Description();
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description.setSessionName(SdpFactory.getInstance().createSessionName(action.getAction()));
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Version version = SdpFactory.getInstance().createVersion(0);
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description.setVersion(version);
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Connection connectionField = SdpFactory.getInstance().createConnection(ConnectionField.IN, netType, rtpIp);
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description.setConnection(connectionField);
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MediaDescription mediaDescription;
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if(MediaStreamMode.UDP.equals(streamMode)){
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mediaDescription = SdpFactory.getInstance().createMediaDescription("video", rtpPort, 0, Protocol.RTP_AVP.getProtocol(), rtpMap.keySet().toArray(new String[0]));
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} else {
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mediaDescription = SdpFactory.getInstance().createMediaDescription("video", rtpPort, 0, Protocol.RTP_AVP_TCP.getProtocol(), rtpMap.keySet().toArray(new String[0]));
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}
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if (isRecv) {
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("recvonly", null));
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} else {
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("sendonly", null));
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}
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rtpMap.forEach((k, v) -> {
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if(fmtpMap != null){
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Optional.ofNullable(fmtpMap.get(k)).ifPresent((f) -> {
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute(SdpConstants.FMTP.toLowerCase(), StringUtils.joinWith(Separators.SP, k, f)));
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});
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}
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute(SdpConstants.RTPMAP, StringUtils.joinWith(Separators.SP, k, v)));
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});
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if (streamMode == MediaStreamMode.TCP_PASSIVE) {
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// TCP-PASSIVE
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("setup", "passive"));
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("connection", "new"));
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} else if (streamMode == MediaStreamMode.TCP_ACTIVE) {
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// TCP-ACTIVE
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("setup", "active"));
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mediaDescription.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute("connection", "new"));
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}
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description.setMediaDescriptions(new Vector<>() {{
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add(mediaDescription);
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}});
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description.setTimeDescriptions(new Vector<>() {{
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add(timeDescription);
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}});
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Origin origin = SdpFactory.getInstance().createOrigin(channelId, 0, 0, ConnectionField.IN, netType, rtpIp);
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description.setOrigin(origin);
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description.setSsrcField(new SsrcField(ssrc));
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return description;
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}
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public static class Receiver {
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@SneakyThrows
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public static GB28181Description build(Action action, String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode, TimeDescription timeDescription) {
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return GB28181SDPBuilder.build(action, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription, true, GB28181SDPBuilder.RTPMAP, GB28181SDPBuilder.FMTP);
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}
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@SneakyThrows
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public static GB28181Description play(String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode) {
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TimeDescription timeDescription = SdpFactory.getInstance().createTimeDescription();
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return build(Action.PLAY, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription);
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}
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@SneakyThrows
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public static GB28181Description playback(String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode, Date start, Date end) {
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TimeField timeField = new TimeField();
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timeField.setStartTime(start.toInstant().getEpochSecond());
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timeField.setStopTime(end.toInstant().getEpochSecond());
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TimeDescription timeDescription = SdpFactory.getInstance().createTimeDescription(timeField);
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GB28181Description description = build(Action.PLAY_BACK, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription);
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URIField uriField = new URIField();
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uriField.setURI(StringUtils.joinWith(":", channelId, "0"));
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description.setURI(uriField);
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return description;
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}
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@SneakyThrows
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public static GB28181Description download(String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode, Date start, Date end, Double downloadSpeed) {
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TimeField timeField = new TimeField();
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timeField.setStartTime(start.toInstant().getEpochSecond());
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timeField.setStopTime(end.toInstant().getEpochSecond());
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TimeDescription timeDescription = SdpFactory.getInstance().createTimeDescription(timeField);
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GB28181Description description = build(Action.DOWNLOAD, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription);
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MediaDescriptionImpl media = (MediaDescriptionImpl) description.getMediaDescriptions(false).get(0);
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media.setAttribute("downloadspeed", String.valueOf(downloadSpeed));
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URIField uriField = new URIField();
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uriField.setURI(StringUtils.joinWith(":", channelId, "0"));
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description.setURI(uriField);
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return description;
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}
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}
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public static class Sender {
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@SneakyThrows
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public static GB28181Description build(Action action, String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode, TimeDescription timeDescription, Map<String,String> rtpMap, Map<String,String> fmtpMap) {
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return GB28181SDPBuilder.build(action, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription, false, GB28181SDPBuilder.RTPMAP, GB28181SDPBuilder.FMTP);
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}
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@SneakyThrows
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public static GB28181Description build(Action action, String deviceId, String channelId, String netType, String rtpIp, int rtpPort, String ssrc, MediaStreamMode streamMode, TimeDescription timeDescription) {
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return build(action, deviceId, channelId, netType, rtpIp, rtpPort, ssrc, streamMode, timeDescription, GB28181SDPBuilder.RTPMAP, GB28181SDPBuilder.FMTP);
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}
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@SuppressWarnings({"unchecked","Duplicates"})
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@SneakyThrows
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public static GB28181Description build(GB28181Description receive, String rtpIp, int rtpPort, Map<String,String> rtpMap, Map<String,String> fmtpMap){
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GB28181Description description = new GB28181Description(receive);
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MediaDescriptionImpl media = (MediaDescriptionImpl) description.getMediaDescriptions(true).get(0);
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Vector<String> formats = media.getMedia().getMediaFormats(true);
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formats.clear();
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formats.addAll(rtpMap.keySet());
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Vector<String> attributes = media.getAttributes(true);
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attributes.clear();
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rtpMap.forEach((k, v) -> {
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if (fmtpMap != null) {
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Optional.ofNullable(fmtpMap.get(k)).ifPresent((f) -> {
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media.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute(SdpConstants.FMTP.toLowerCase(), StringUtils.joinWith(Separators.SP, k, f)));
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});
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}
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media.addAttribute((AttributeField) SdpFactory.getInstance().createAttribute(SdpConstants.RTPMAP, StringUtils.joinWith(Separators.SP, k, v)));
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});
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media.setAttribute("sendonly",null);
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Connection connection = description.getConnection();
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connection.setAddress(rtpIp);
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media.getMedia().setMediaPort(rtpPort);
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return description;
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}
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@SneakyThrows
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public static GB28181Description build(GB28181Description receive, String rtpIp, int rtpPort){
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GB28181Description description = new GB28181Description(receive);
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MediaDescriptionImpl media = (MediaDescriptionImpl) description.getMediaDescriptions(true).get(0);
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return build(description, rtpIp, rtpPort, GB28181SDPBuilder.RTPMAP, GB28181SDPBuilder.FMTP);
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}
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}
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}
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@ -0,0 +1,28 @@
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package cn.skcks.docking.gb28181.sdp.media;
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import com.fasterxml.jackson.annotation.JsonCreator;
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import com.fasterxml.jackson.annotation.JsonValue;
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import lombok.AllArgsConstructor;
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import lombok.Getter;
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@AllArgsConstructor
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@Getter
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public enum MediaStreamMode {
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UDP("UDP"),
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TCP_ACTIVE("TCP-ACTIVE"),
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TCP_PASSIVE("TCP-PASSIVE");
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@JsonValue
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private final String mode;
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@JsonCreator
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public static MediaStreamMode of(String mode) {
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for (MediaStreamMode m : values()) {
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if (m.getMode().equalsIgnoreCase(mode)) {
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return m;
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}
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}
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return null;
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}
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}
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@ -140,6 +140,11 @@ public class SipBuilder {
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return getHeaderFactory().createCallIdHeader(callId);
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}
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@SneakyThrows
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public static ExpiresHeader createExpiresHeader(int expires){
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return getHeaderFactory().createExpiresHeader(expires);
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}
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@SneakyThrows
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public static XGBVerHeader createXGBVerHeader(int m,int n){
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return new XGBVerHeaderImpl(m,n);
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@ -1,6 +1,7 @@
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package cn.skcks.docking.gb28181.sdp;
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import cn.skcks.docking.gb28181.sdp.field.ssrc.SsrcField;
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import cn.skcks.docking.gb28181.sdp.media.MediaStreamMode;
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import cn.skcks.docking.gb28181.sdp.parser.GB28181DescriptionParser;
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import gov.nist.javax.sdp.SessionDescriptionImpl;
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import gov.nist.javax.sdp.fields.TimeField;
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@ -8,8 +9,12 @@ import lombok.SneakyThrows;
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import lombok.extern.slf4j.Slf4j;
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import org.junit.jupiter.api.Test;
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import javax.sdp.Connection;
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import javax.sdp.SdpFactory;
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import javax.sdp.TimeDescription;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Vector;
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@Slf4j
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@ -25,7 +30,8 @@ public class SdpTest {
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gb28181Description.setTimeDescriptions(new Vector<>() {{
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add(timeDescription);
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}});
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gb28181Description.setSsrcField(new SsrcField(String.format("%s%04d", domain.substring(3, 8), 1)));
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String ssrc = String.format("%s%04d", domain.substring(3, 8), 1);
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gb28181Description.setSsrcField(new SsrcField(ssrc));
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log.info("gb28181 sdp \n{}", gb28181Description);
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GB28181DescriptionParser gb28181DescriptionParser = new GB28181DescriptionParser(gb28181Description.toString());
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@ -44,5 +50,24 @@ public class SdpTest {
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gb28181DescriptionParser = new GB28181DescriptionParser(gb28181Description.toString());
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parse = gb28181DescriptionParser.parse();
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log.info("从 SessionDescriptionImpl 转换为 gb28181 sdp 解析\n{}",parse);
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String deviceId = "00000000000000000002";
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String channelId = "00000000000000000002";
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String rtpNetType = Connection.IP4;
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String rtpIp = "10.10.10.200";
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int rtpPort = 5080;
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String sendRtpIp = "127.0.0.1";
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int sendRtpPort = 5080;
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GB28181Description play = GB28181SDPBuilder.Receiver.play(deviceId, channelId, rtpNetType, rtpIp, rtpPort, ssrc, MediaStreamMode.TCP_ACTIVE);
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log.info("sdp play 请求\n{}",play);
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final String psType = "96";
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Map<String,String> respRtpMap = new HashMap<>(){{
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put(psType, GB28181SDPBuilder.RTPMAP.get(psType));
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}};
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GB28181Description resp = GB28181SDPBuilder.Sender.build(play, sendRtpIp, sendRtpPort,respRtpMap,null);
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log.info("sdp 响应\n{}", resp);
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}
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}
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@ -52,10 +52,12 @@ public class SipTest {
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CallIdHeader callIdHeader = SipBuilder.createCallIdHeader(MessageFormat.format("{0}@{1}", "123456", localIp));
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List<ViaHeader> viaHeaders = SipBuilder.createViaHeaders(localIp, localPort, GB28181Constant.TransPort.TCP, "z9hG4bK" + "0000000001");
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MaxForwardsHeader maxForwardsHeader = SipBuilder.createMaxForwardsHeader(70);
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ExpiresHeader expiresHeader = SipBuilder.createExpiresHeader(3600);
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// 创建请求
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Request request = SipRequestBuilder.createRequest(remoteSipUri, method, callIdHeader, cSeqHeader, fromHeader, toHeader, viaHeaders, maxForwardsHeader);
|
||||
request.addHeader(contactHeader);
|
||||
request.addHeader(expiresHeader);
|
||||
|
||||
log.info("构造请求\n{}", request);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user