diff options
Diffstat (limited to 'voip/java/android/net/sip/SipAudioCallImpl.java')
| -rw-r--r-- | voip/java/android/net/sip/SipAudioCallImpl.java | 738 |
1 files changed, 0 insertions, 738 deletions
diff --git a/voip/java/android/net/sip/SipAudioCallImpl.java b/voip/java/android/net/sip/SipAudioCallImpl.java deleted file mode 100644 index 5eecc05..0000000 --- a/voip/java/android/net/sip/SipAudioCallImpl.java +++ /dev/null @@ -1,738 +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 android.content.Context; -import android.media.AudioManager; -import android.media.Ringtone; -import android.media.RingtoneManager; -import android.media.ToneGenerator; -import android.net.Uri; -import android.net.rtp.AudioCodec; -import android.net.rtp.AudioGroup; -import android.net.rtp.AudioStream; -import android.net.rtp.RtpStream; -import android.net.sip.SimpleSessionDescription.Media; -import android.net.wifi.WifiManager; -import android.os.Message; -import android.os.RemoteException; -import android.os.Vibrator; -import android.provider.Settings; -import android.util.Log; - -import java.io.IOException; -import java.net.InetAddress; -import java.net.UnknownHostException; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -/** - * Class that handles an audio call over SIP. - */ -/** @hide */ -public class SipAudioCallImpl extends SipSessionAdapter - implements SipAudioCall { - private static final String TAG = SipAudioCallImpl.class.getSimpleName(); - private static final boolean RELEASE_SOCKET = true; - private static final boolean DONT_RELEASE_SOCKET = false; - private static final int SESSION_TIMEOUT = 5; // in seconds - - private Context mContext; - private SipProfile mLocalProfile; - private SipAudioCall.Listener mListener; - private ISipSession mSipSession; - - private long mSessionId = System.currentTimeMillis(); - private String mPeerSd; - - private AudioStream mAudioStream; - private AudioGroup mAudioGroup; - - private boolean mInCall = false; - private boolean mMuted = false; - private boolean mHold = false; - - private boolean mRingbackToneEnabled = true; - private boolean mRingtoneEnabled = true; - private Ringtone mRingtone; - private ToneGenerator mRingbackTone; - - private SipProfile mPendingCallRequest; - - private int mErrorCode = SipErrorCode.NO_ERROR; - private String mErrorMessage; - - public SipAudioCallImpl(Context context, SipProfile localProfile) { - mContext = context; - mLocalProfile = localProfile; - } - - public void setListener(SipAudioCall.Listener listener) { - setListener(listener, false); - } - - public void setListener(SipAudioCall.Listener listener, - boolean callbackImmediately) { - mListener = listener; - try { - if ((listener == null) || !callbackImmediately) { - // do nothing - } else if (mErrorCode != SipErrorCode.NO_ERROR) { - listener.onError(this, mErrorCode, mErrorMessage); - } else if (mInCall) { - if (mHold) { - listener.onCallHeld(this); - } else { - listener.onCallEstablished(this); - } - } else { - int state = getState(); - switch (state) { - case SipSessionState.READY_TO_CALL: - listener.onReadyToCall(this); - break; - case SipSessionState.INCOMING_CALL: - listener.onRinging(this, getPeerProfile(mSipSession)); - break; - case SipSessionState.OUTGOING_CALL: - listener.onCalling(this); - break; - case SipSessionState.OUTGOING_CALL_RING_BACK: - listener.onRingingBack(this); - break; - } - } - } catch (Throwable t) { - Log.e(TAG, "setListener()", t); - } - } - - public synchronized boolean isInCall() { - return mInCall; - } - - public synchronized boolean isOnHold() { - return mHold; - } - - public void close() { - close(true); - } - - private synchronized void close(boolean closeRtp) { - if (closeRtp) stopCall(RELEASE_SOCKET); - stopRingbackTone(); - stopRinging(); - - mInCall = false; - mHold = false; - mSessionId = System.currentTimeMillis(); - mErrorCode = SipErrorCode.NO_ERROR; - mErrorMessage = null; - - if (mSipSession != null) { - try { - mSipSession.setListener(null); - } catch (RemoteException e) { - // don't care - } - mSipSession = null; - } - } - - public synchronized SipProfile getLocalProfile() { - return mLocalProfile; - } - - public synchronized SipProfile getPeerProfile() { - try { - return (mSipSession == null) ? null : mSipSession.getPeerProfile(); - } catch (RemoteException e) { - return null; - } - } - - public synchronized int getState() { - if (mSipSession == null) return SipSessionState.READY_TO_CALL; - try { - return mSipSession.getState(); - } catch (RemoteException e) { - return SipSessionState.REMOTE_ERROR; - } - } - - - public synchronized ISipSession getSipSession() { - return mSipSession; - } - - @Override - public void onCalling(ISipSession session) { - Log.d(TAG, "calling... " + session); - Listener listener = mListener; - if (listener != null) { - try { - listener.onCalling(this); - } catch (Throwable t) { - Log.e(TAG, "onCalling()", t); - } - } - } - - @Override - public void onRingingBack(ISipSession session) { - Log.d(TAG, "sip call ringing back: " + session); - if (!mInCall) startRingbackTone(); - Listener listener = mListener; - if (listener != null) { - try { - listener.onRingingBack(this); - } catch (Throwable t) { - Log.e(TAG, "onRingingBack()", t); - } - } - } - - @Override - public synchronized void onRinging(ISipSession session, - SipProfile peerProfile, String sessionDescription) { - try { - if ((mSipSession == null) || !mInCall - || !session.getCallId().equals(mSipSession.getCallId())) { - // should not happen - session.endCall(); - return; - } - - // session changing request - try { - String answer = createAnswer(sessionDescription).encode(); - mSipSession.answerCall(answer, SESSION_TIMEOUT); - } catch (Throwable e) { - Log.e(TAG, "onRinging()", e); - session.endCall(); - } - } catch (RemoteException e) { - Log.e(TAG, "onRinging()", e); - } - } - - @Override - public void onCallEstablished(ISipSession session, - String sessionDescription) { - stopRingbackTone(); - stopRinging(); - mPeerSd = sessionDescription; - Log.v(TAG, "onCallEstablished()" + mPeerSd); - - Listener listener = mListener; - if (listener != null) { - try { - if (mHold) { - listener.onCallHeld(this); - } else { - listener.onCallEstablished(this); - } - } catch (Throwable t) { - Log.e(TAG, "onCallEstablished()", t); - } - } - } - - @Override - public void onCallEnded(ISipSession session) { - Log.d(TAG, "sip call ended: " + session); - Listener listener = mListener; - if (listener != null) { - try { - listener.onCallEnded(this); - } catch (Throwable t) { - Log.e(TAG, "onCallEnded()", t); - } - } - close(); - } - - @Override - public void onCallBusy(ISipSession session) { - Log.d(TAG, "sip call busy: " + session); - Listener listener = mListener; - if (listener != null) { - try { - listener.onCallBusy(this); - } catch (Throwable t) { - Log.e(TAG, "onCallBusy()", t); - } - } - close(false); - } - - @Override - public void onCallChangeFailed(ISipSession session, int errorCode, - String message) { - Log.d(TAG, "sip call change failed: " + message); - mErrorCode = errorCode; - mErrorMessage = message; - Listener listener = mListener; - if (listener != null) { - try { - listener.onError(this, mErrorCode, message); - } catch (Throwable t) { - Log.e(TAG, "onCallBusy()", t); - } - } - } - - @Override - public void onError(ISipSession session, int errorCode, String message) { - Log.d(TAG, "sip session error: " + SipErrorCode.toString(errorCode) - + ": " + message); - mErrorCode = errorCode; - mErrorMessage = message; - Listener listener = mListener; - if (listener != null) { - try { - listener.onError(this, errorCode, message); - } catch (Throwable t) { - Log.e(TAG, "onError()", t); - } - } - synchronized (this) { - if ((errorCode == SipErrorCode.DATA_CONNECTION_LOST) - || !isInCall()) { - close(true); - } - } - } - - public synchronized void attachCall(ISipSession session, - String sessionDescription) throws SipException { - mSipSession = session; - mPeerSd = sessionDescription; - Log.v(TAG, "attachCall()" + mPeerSd); - try { - session.setListener(this); - if (getState() == SipSessionState.INCOMING_CALL) startRinging(); - } catch (Throwable e) { - Log.e(TAG, "attachCall()", e); - throwSipException(e); - } - } - - public synchronized void makeCall(SipProfile peerProfile, - SipManager sipManager, int timeout) throws SipException { - try { - mSipSession = sipManager.createSipSession(mLocalProfile, this); - if (mSipSession == null) { - throw new SipException( - "Failed to create SipSession; network available?"); - } - mAudioStream = new AudioStream(InetAddress.getByName(getLocalIp())); - mSipSession.makeCall(peerProfile, createOffer().encode(), timeout); - } catch (Throwable e) { - if (e instanceof SipException) { - throw (SipException) e; - } else { - throwSipException(e); - } - } - } - - public synchronized void endCall() throws SipException { - try { - stopRinging(); - stopCall(RELEASE_SOCKET); - mInCall = false; - - // perform the above local ops first and then network op - if (mSipSession != null) mSipSession.endCall(); - } catch (Throwable e) { - throwSipException(e); - } - } - - public synchronized void answerCall(int timeout) throws SipException { - try { - stopRinging(); - mAudioStream = new AudioStream(InetAddress.getByName(getLocalIp())); - mSipSession.answerCall(createAnswer(mPeerSd).encode(), timeout); - } catch (Throwable e) { - Log.e(TAG, "answerCall()", e); - throwSipException(e); - } - } - - public synchronized void holdCall(int timeout) throws SipException { - if (mHold) return; - try { - mSipSession.changeCall(createHoldOffer().encode(), timeout); - } catch (Throwable e) { - throwSipException(e); - } - mHold = true; - AudioGroup audioGroup = getAudioGroup(); - if (audioGroup != null) audioGroup.setMode(AudioGroup.MODE_ON_HOLD); - } - - public synchronized void continueCall(int timeout) throws SipException { - if (!mHold) return; - try { - mSipSession.changeCall(createContinueOffer().encode(), timeout); - } catch (Throwable e) { - throwSipException(e); - } - mHold = false; - AudioGroup audioGroup = getAudioGroup(); - if (audioGroup != null) audioGroup.setMode(AudioGroup.MODE_NORMAL); - } - - private SimpleSessionDescription createOffer() { - SimpleSessionDescription offer = - new SimpleSessionDescription(mSessionId, getLocalIp()); - AudioCodec[] codecs = AudioCodec.getCodecs(); - Media media = offer.newMedia( - "audio", mAudioStream.getLocalPort(), 1, "RTP/AVP"); - for (AudioCodec codec : AudioCodec.getCodecs()) { - media.setRtpPayload(codec.type, codec.rtpmap, codec.fmtp); - } - media.setRtpPayload(127, "telephone-event/8000", "0-15"); - return offer; - } - - private SimpleSessionDescription createAnswer(String offerSd) { - SimpleSessionDescription offer = - new SimpleSessionDescription(offerSd); - SimpleSessionDescription answer = - new SimpleSessionDescription(mSessionId, getLocalIp()); - AudioCodec codec = null; - for (Media media : offer.getMedia()) { - if ((codec == null) && (media.getPort() > 0) - && "audio".equals(media.getType()) - && "RTP/AVP".equals(media.getProtocol())) { - // Find the first audio codec we supported. - for (int type : media.getRtpPayloadTypes()) { - codec = AudioCodec.getCodec(type, media.getRtpmap(type), - media.getFmtp(type)); - if (codec != null) { - break; - } - } - if (codec != null) { - Media reply = answer.newMedia( - "audio", mAudioStream.getLocalPort(), 1, "RTP/AVP"); - reply.setRtpPayload(codec.type, codec.rtpmap, codec.fmtp); - - // Check if DTMF is supported in the same media. - for (int type : media.getRtpPayloadTypes()) { - String rtpmap = media.getRtpmap(type); - if ((type != codec.type) && (rtpmap != null) - && rtpmap.startsWith("telephone-event")) { - reply.setRtpPayload( - type, rtpmap, media.getFmtp(type)); - } - } - - // Handle recvonly and sendonly. - if (media.getAttribute("recvonly") != null) { - answer.setAttribute("sendonly", ""); - } else if(media.getAttribute("sendonly") != null) { - answer.setAttribute("recvonly", ""); - } else if(offer.getAttribute("recvonly") != null) { - answer.setAttribute("sendonly", ""); - } else if(offer.getAttribute("sendonly") != null) { - answer.setAttribute("recvonly", ""); - } - continue; - } - } - // Reject the media. - Media reply = answer.newMedia( - media.getType(), 0, 1, media.getProtocol()); - for (String format : media.getFormats()) { - reply.setFormat(format, null); - } - } - if (codec == null) { - throw new IllegalStateException("Reject SDP: no suitable codecs"); - } - return answer; - } - - private SimpleSessionDescription createHoldOffer() { - SimpleSessionDescription offer = createContinueOffer(); - offer.setAttribute("sendonly", ""); - return offer; - } - - private SimpleSessionDescription createContinueOffer() { - SimpleSessionDescription offer = - new SimpleSessionDescription(mSessionId, getLocalIp()); - Media media = offer.newMedia( - "audio", mAudioStream.getLocalPort(), 1, "RTP/AVP"); - AudioCodec codec = mAudioStream.getCodec(); - media.setRtpPayload(codec.type, codec.rtpmap, codec.fmtp); - int dtmfType = mAudioStream.getDtmfType(); - if (dtmfType != -1) { - media.setRtpPayload(dtmfType, "telephone-event/8000", "0-15"); - } - return offer; - } - - public synchronized void toggleMute() { - AudioGroup audioGroup = getAudioGroup(); - if (audioGroup != null) { - audioGroup.setMode( - mMuted ? AudioGroup.MODE_NORMAL : AudioGroup.MODE_MUTED); - mMuted = !mMuted; - } - } - - public synchronized boolean isMuted() { - return mMuted; - } - - public synchronized void setSpeakerMode(boolean speakerMode) { - ((AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE)) - .setSpeakerphoneOn(speakerMode); - } - - public void sendDtmf(int code) { - sendDtmf(code, null); - } - - public synchronized void sendDtmf(int code, Message result) { - AudioGroup audioGroup = getAudioGroup(); - if ((audioGroup != null) && (mSipSession != null) - && (SipSessionState.IN_CALL == getState())) { - Log.v(TAG, "send DTMF: " + code); - audioGroup.sendDtmf(code); - } - if (result != null) result.sendToTarget(); - } - - public synchronized AudioStream getAudioStream() { - return mAudioStream; - } - - public synchronized AudioGroup getAudioGroup() { - if (mAudioGroup != null) return mAudioGroup; - return ((mAudioStream == null) ? null : mAudioStream.getGroup()); - } - - public synchronized void setAudioGroup(AudioGroup group) { - if ((mAudioStream != null) && (mAudioStream.getGroup() != null)) { - mAudioStream.join(group); - } - mAudioGroup = group; - } - - public void startAudio() { - try { - startAudioInternal(); - } catch (UnknownHostException e) { - onError(mSipSession, SipErrorCode.PEER_NOT_REACHABLE, - e.getMessage()); - } catch (Throwable e) { - onError(mSipSession, SipErrorCode.CLIENT_ERROR, - e.getMessage()); - } - } - - private synchronized void startAudioInternal() throws UnknownHostException { - if (mPeerSd == null) { - Log.v(TAG, "startAudioInternal() mPeerSd = null"); - throw new IllegalStateException("mPeerSd = null"); - } - - stopCall(DONT_RELEASE_SOCKET); - mInCall = true; - - // Run exact the same logic in createAnswer() to setup mAudioStream. - SimpleSessionDescription offer = - new SimpleSessionDescription(mPeerSd); - AudioStream stream = mAudioStream; - AudioCodec codec = null; - for (Media media : offer.getMedia()) { - if ((codec == null) && (media.getPort() > 0) - && "audio".equals(media.getType()) - && "RTP/AVP".equals(media.getProtocol())) { - // Find the first audio codec we supported. - for (int type : media.getRtpPayloadTypes()) { - codec = AudioCodec.getCodec( - type, media.getRtpmap(type), media.getFmtp(type)); - if (codec != null) { - break; - } - } - - if (codec != null) { - // Associate with the remote host. - String address = media.getAddress(); - if (address == null) { - address = offer.getAddress(); - } - stream.associate(InetAddress.getByName(address), - media.getPort()); - - stream.setDtmfType(-1); - stream.setCodec(codec); - // Check if DTMF is supported in the same media. - for (int type : media.getRtpPayloadTypes()) { - String rtpmap = media.getRtpmap(type); - if ((type != codec.type) && (rtpmap != null) - && rtpmap.startsWith("telephone-event")) { - stream.setDtmfType(type); - } - } - - // Handle recvonly and sendonly. - if (mHold) { - stream.setMode(RtpStream.MODE_NORMAL); - } else if (media.getAttribute("recvonly") != null) { - stream.setMode(RtpStream.MODE_SEND_ONLY); - } else if(media.getAttribute("sendonly") != null) { - stream.setMode(RtpStream.MODE_RECEIVE_ONLY); - } else if(offer.getAttribute("recvonly") != null) { - stream.setMode(RtpStream.MODE_SEND_ONLY); - } else if(offer.getAttribute("sendonly") != null) { - stream.setMode(RtpStream.MODE_RECEIVE_ONLY); - } else { - stream.setMode(RtpStream.MODE_NORMAL); - } - break; - } - } - } - if (codec == null) { - throw new IllegalStateException("Reject SDP: no suitable codecs"); - } - - if (!mHold) { - /* The recorder volume will be very low if the device is in - * IN_CALL mode. Therefore, we have to set the mode to NORMAL - * in order to have the normal microphone level. - */ - ((AudioManager) mContext.getSystemService - (Context.AUDIO_SERVICE)) - .setMode(AudioManager.MODE_NORMAL); - } - - // AudioGroup logic: - AudioGroup audioGroup = getAudioGroup(); - if (mHold) { - if (audioGroup != null) { - audioGroup.setMode(AudioGroup.MODE_ON_HOLD); - } - // don't create an AudioGroup here; doing so will fail if - // there's another AudioGroup out there that's active - } else { - if (audioGroup == null) audioGroup = new AudioGroup(); - mAudioStream.join(audioGroup); - if (mMuted) { - audioGroup.setMode(AudioGroup.MODE_MUTED); - } else { - audioGroup.setMode(AudioGroup.MODE_NORMAL); - } - } - } - - private void stopCall(boolean releaseSocket) { - Log.d(TAG, "stop audiocall"); - if (mAudioStream != null) { - mAudioStream.join(null); - - if (releaseSocket) { - mAudioStream.release(); - mAudioStream = null; - } - } - } - - private String getLocalIp() { - try { - return mSipSession.getLocalIp(); - } catch (RemoteException e) { - throw new IllegalStateException(e); - } - } - - public synchronized void setRingbackToneEnabled(boolean enabled) { - mRingbackToneEnabled = enabled; - } - - public synchronized void setRingtoneEnabled(boolean enabled) { - mRingtoneEnabled = enabled; - } - - private void startRingbackTone() { - if (!mRingbackToneEnabled) return; - if (mRingbackTone == null) { - // The volume relative to other sounds in the stream - int toneVolume = 80; - mRingbackTone = new ToneGenerator( - AudioManager.STREAM_VOICE_CALL, toneVolume); - } - mRingbackTone.startTone(ToneGenerator.TONE_CDMA_LOW_PBX_L); - } - - private void stopRingbackTone() { - if (mRingbackTone != null) { - mRingbackTone.stopTone(); - mRingbackTone.release(); - mRingbackTone = null; - } - } - - private void startRinging() { - if (!mRingtoneEnabled) return; - ((Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE)) - .vibrate(new long[] {0, 1000, 1000}, 1); - AudioManager am = (AudioManager) - mContext.getSystemService(Context.AUDIO_SERVICE); - if (am.getStreamVolume(AudioManager.STREAM_RING) > 0) { - String ringtoneUri = - Settings.System.DEFAULT_RINGTONE_URI.toString(); - mRingtone = RingtoneManager.getRingtone(mContext, - Uri.parse(ringtoneUri)); - mRingtone.play(); - } - } - - private void stopRinging() { - ((Vibrator) mContext.getSystemService(Context.VIBRATOR_SERVICE)) - .cancel(); - if (mRingtone != null) mRingtone.stop(); - } - - private void throwSipException(Throwable throwable) throws SipException { - if (throwable instanceof SipException) { - throw (SipException) throwable; - } else { - throw new SipException("", throwable); - } - } - - private SipProfile getPeerProfile(ISipSession session) { - try { - return session.getPeerProfile(); - } catch (RemoteException e) { - return null; - } - } -} |