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Diffstat (limited to 'voip/java/android/net/sip/SdpSessionDescription.java')
-rw-r--r--voip/java/android/net/sip/SdpSessionDescription.java428
1 files changed, 0 insertions, 428 deletions
diff --git a/voip/java/android/net/sip/SdpSessionDescription.java b/voip/java/android/net/sip/SdpSessionDescription.java
deleted file mode 100644
index f6ae837..0000000
--- a/voip/java/android/net/sip/SdpSessionDescription.java
+++ /dev/null
@@ -1,428 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.net.sip;
-
-import gov.nist.javax.sdp.SessionDescriptionImpl;
-import gov.nist.javax.sdp.fields.AttributeField;
-import gov.nist.javax.sdp.fields.ConnectionField;
-import gov.nist.javax.sdp.fields.MediaField;
-import gov.nist.javax.sdp.fields.OriginField;
-import gov.nist.javax.sdp.fields.ProtoVersionField;
-import gov.nist.javax.sdp.fields.SessionNameField;
-import gov.nist.javax.sdp.fields.TimeField;
-import gov.nist.javax.sdp.parser.SDPAnnounceParser;
-
-import android.util.Log;
-
-import java.text.ParseException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Vector;
-import javax.sdp.Connection;
-import javax.sdp.MediaDescription;
-import javax.sdp.SdpException;
-
-/**
- * A session description that follows SDP (Session Description Protocol).
- * Refer to <a href="http://tools.ietf.org/html/rfc4566">RFC 4566</a>.
- * @hide
- */
-public class SdpSessionDescription extends SessionDescription {
- private static final String TAG = "SDP";
- private static final String AUDIO = "audio";
- private static final String RTPMAP = "rtpmap";
- private static final String PTIME = "ptime";
- private static final String SENDONLY = "sendonly";
- private static final String RECVONLY = "recvonly";
- private static final String INACTIVE = "inactive";
-
- private SessionDescriptionImpl mSessionDescription;
-
- /**
- * The audio codec information parsed from "rtpmap".
- */
- public static class AudioCodec {
- public final int payloadType;
- public final String name;
- public final int sampleRate;
- public final int sampleCount;
-
- public AudioCodec(int payloadType, String name, int sampleRate,
- int sampleCount) {
- this.payloadType = payloadType;
- this.name = name;
- this.sampleRate = sampleRate;
- this.sampleCount = sampleCount;
- }
- }
-
- /**
- * The builder class used to create an {@link SdpSessionDescription} object.
- */
- public static class Builder {
- private SdpSessionDescription mSdp = new SdpSessionDescription();
- private SessionDescriptionImpl mSessionDescription;
-
- public Builder(String sessionName) throws SdpException {
- mSessionDescription = new SessionDescriptionImpl();
- mSdp.mSessionDescription = mSessionDescription;
- try {
- ProtoVersionField proto = new ProtoVersionField();
- proto.setVersion(0);
- mSessionDescription.addField(proto);
-
- TimeField time = new TimeField();
- time.setZero();
- mSessionDescription.addField(time);
-
- SessionNameField session = new SessionNameField();
- session.setValue(sessionName);
- mSessionDescription.addField(session);
- } catch (Exception e) {
- throwSdpException(e);
- }
- }
-
- public Builder setConnectionInfo(String networkType, String addressType,
- String addr) throws SdpException {
- try {
- ConnectionField connection = new ConnectionField();
- connection.setNetworkType(networkType);
- connection.setAddressType(addressType);
- connection.setAddress(addr);
- mSessionDescription.addField(connection);
- } catch (Exception e) {
- throwSdpException(e);
- }
- return this;
- }
-
- public Builder setOrigin(SipProfile user, long sessionId,
- long sessionVersion, String networkType, String addressType,
- String address) throws SdpException {
- try {
- OriginField origin = new OriginField();
- origin.setUsername(user.getUserName());
- origin.setSessionId(sessionId);
- origin.setSessionVersion(sessionVersion);
- origin.setAddressType(addressType);
- origin.setNetworkType(networkType);
- origin.setAddress(address);
- mSessionDescription.addField(origin);
- } catch (Exception e) {
- throwSdpException(e);
- }
- return this;
- }
-
- public Builder addMedia(String media, int port, int numPorts,
- String transport, Integer... types) throws SdpException {
- MediaField field = new MediaField();
- Vector<Integer> typeVector = new Vector<Integer>();
- Collections.addAll(typeVector, types);
- try {
- field.setMediaType(media);
- field.setMediaPort(port);
- field.setPortCount(numPorts);
- field.setProtocol(transport);
- field.setMediaFormats(typeVector);
- mSessionDescription.addField(field);
- } catch (Exception e) {
- throwSdpException(e);
- }
- return this;
- }
-
- public Builder addMediaAttribute(String type, String name, String value)
- throws SdpException {
- try {
- MediaDescription md = mSdp.getMediaDescription(type);
- if (md == null) {
- throw new SdpException("Should add media first!");
- }
- AttributeField attribute = new AttributeField();
- attribute.setName(name);
- attribute.setValueAllowNull(value);
- mSessionDescription.addField(attribute);
- } catch (Exception e) {
- throwSdpException(e);
- }
- return this;
- }
-
- public Builder addSessionAttribute(String name, String value)
- throws SdpException {
- try {
- AttributeField attribute = new AttributeField();
- attribute.setName(name);
- attribute.setValueAllowNull(value);
- mSessionDescription.addField(attribute);
- } catch (Exception e) {
- throwSdpException(e);
- }
- return this;
- }
-
- private void throwSdpException(Exception e) throws SdpException {
- if (e instanceof SdpException) {
- throw (SdpException) e;
- } else {
- throw new SdpException(e.toString(), e);
- }
- }
-
- public String build() {
- return mSdp.toString();
- }
- }
-
- private SdpSessionDescription() {
- }
-
- /**
- * Constructor.
- *
- * @param sdpString an SDP session description to parse
- */
- public SdpSessionDescription(String sdpString) throws SdpException {
- try {
- mSessionDescription = new SDPAnnounceParser(sdpString).parse();
- } catch (ParseException e) {
- throw new SdpException(e.toString(), e);
- }
- verify();
- }
-
- /**
- * Constructor.
- *
- * @param content a raw SDP session description to parse
- */
- public SdpSessionDescription(byte[] content) throws SdpException {
- this(new String(content));
- }
-
- private void verify() throws SdpException {
- // make sure the syntax is correct over the fields we're interested in
- Vector<MediaDescription> descriptions = (Vector<MediaDescription>)
- mSessionDescription.getMediaDescriptions(false);
- for (MediaDescription md : descriptions) {
- md.getMedia().getMediaPort();
- Connection connection = md.getConnection();
- if (connection != null) connection.getAddress();
- md.getMedia().getFormats();
- }
- Connection connection = mSessionDescription.getConnection();
- if (connection != null) connection.getAddress();
- }
-
- /**
- * Gets the connection address of the media.
- *
- * @param type the media type; e.g., "AUDIO"
- * @return the media connection address of the peer
- */
- public String getPeerMediaAddress(String type) {
- try {
- MediaDescription md = getMediaDescription(type);
- Connection connection = md.getConnection();
- if (connection == null) {
- connection = mSessionDescription.getConnection();
- }
- return ((connection == null) ? null : connection.getAddress());
- } catch (SdpException e) {
- // should not occur
- return null;
- }
- }
-
- /**
- * Gets the connection port number of the media.
- *
- * @param type the media type; e.g., "AUDIO"
- * @return the media connection port number of the peer
- */
- public int getPeerMediaPort(String type) {
- try {
- MediaDescription md = getMediaDescription(type);
- return md.getMedia().getMediaPort();
- } catch (SdpException e) {
- // should not occur
- return -1;
- }
- }
-
- private boolean containsAttribute(String type, String name) {
- if (name == null) return false;
- MediaDescription md = getMediaDescription(type);
- Vector<AttributeField> v = (Vector<AttributeField>)
- md.getAttributeFields();
- for (AttributeField field : v) {
- if (name.equals(field.getAttribute().getName())) return true;
- }
- return false;
- }
-
- /**
- * Checks if the media is "sendonly".
- *
- * @param type the media type; e.g., "AUDIO"
- * @return true if the media is "sendonly"
- */
- public boolean isSendOnly(String type) {
- boolean answer = containsAttribute(type, SENDONLY);
- Log.d(TAG, " sendonly? " + answer);
- return answer;
- }
-
- /**
- * Checks if the media is "recvonly".
- *
- * @param type the media type; e.g., "AUDIO"
- * @return true if the media is "recvonly"
- */
- public boolean isReceiveOnly(String type) {
- boolean answer = containsAttribute(type, RECVONLY);
- Log.d(TAG, " recvonly? " + answer);
- return answer;
- }
-
- /**
- * Checks if the media is in sending; i.e., not "recvonly" and not
- * "inactive".
- *
- * @param type the media type; e.g., "AUDIO"
- * @return true if the media is sending
- */
- public boolean isSending(String type) {
- boolean answer = !containsAttribute(type, RECVONLY)
- && !containsAttribute(type, INACTIVE);
-
- Log.d(TAG, " sending? " + answer);
- return answer;
- }
-
- /**
- * Checks if the media is in receiving; i.e., not "sendonly" and not
- * "inactive".
- *
- * @param type the media type; e.g., "AUDIO"
- * @return true if the media is receiving
- */
- public boolean isReceiving(String type) {
- boolean answer = !containsAttribute(type, SENDONLY)
- && !containsAttribute(type, INACTIVE);
- Log.d(TAG, " receiving? " + answer);
- return answer;
- }
-
- private AudioCodec parseAudioCodec(String rtpmap, int ptime) {
- String[] ss = rtpmap.split(" ");
- int payloadType = Integer.parseInt(ss[0]);
-
- ss = ss[1].split("/");
- String name = ss[0];
- int sampleRate = Integer.parseInt(ss[1]);
- int channelCount = 1;
- if (ss.length > 2) channelCount = Integer.parseInt(ss[2]);
- int sampleCount = sampleRate / (1000 / ptime) * channelCount;
- return new AudioCodec(payloadType, name, sampleRate, sampleCount);
- }
-
- /**
- * Gets the list of audio codecs in this session description.
- *
- * @return the list of audio codecs in this session description
- */
- public List<AudioCodec> getAudioCodecs() {
- MediaDescription md = getMediaDescription(AUDIO);
- if (md == null) return new ArrayList<AudioCodec>();
-
- // FIXME: what happens if ptime is missing
- int ptime = 20;
- try {
- String value = md.getAttribute(PTIME);
- if (value != null) ptime = Integer.parseInt(value);
- } catch (Throwable t) {
- Log.w(TAG, "getCodecs(): ignored: " + t);
- }
-
- List<AudioCodec> codecs = new ArrayList<AudioCodec>();
- Vector<AttributeField> v = (Vector<AttributeField>)
- md.getAttributeFields();
- for (AttributeField field : v) {
- try {
- if (RTPMAP.equals(field.getName())) {
- AudioCodec codec = parseAudioCodec(field.getValue(), ptime);
- if (codec != null) codecs.add(codec);
- }
- } catch (Throwable t) {
- Log.w(TAG, "getCodecs(): ignored: " + t);
- }
- }
- return codecs;
- }
-
- /**
- * Gets the media description of the specified type.
- *
- * @param type the media type; e.g., "AUDIO"
- * @return the media description of the specified type
- */
- public MediaDescription getMediaDescription(String type) {
- MediaDescription[] all = getMediaDescriptions();
- if ((all == null) || (all.length == 0)) return null;
- for (MediaDescription md : all) {
- String t = md.getMedia().getMedia();
- if (t.equalsIgnoreCase(type)) return md;
- }
- return null;
- }
-
- /**
- * Gets all the media descriptions in this session description.
- *
- * @return all the media descriptions in this session description
- */
- public MediaDescription[] getMediaDescriptions() {
- try {
- Vector<MediaDescription> descriptions = (Vector<MediaDescription>)
- mSessionDescription.getMediaDescriptions(false);
- MediaDescription[] all = new MediaDescription[descriptions.size()];
- return descriptions.toArray(all);
- } catch (SdpException e) {
- Log.e(TAG, "getMediaDescriptions", e);
- }
- return null;
- }
-
- @Override
- public String getType() {
- return "sdp";
- }
-
- @Override
- public byte[] getContent() {
- return mSessionDescription.toString().getBytes();
- }
-
- @Override
- public String toString() {
- return mSessionDescription.toString();
- }
-}
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