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Commit 59a2c254 authored by Michele Berionne's avatar Michele Berionne
Browse files

Add metrics for audio codec during voice calls 

Expand existing Telephony metrics to include information on the codec
used during voice calls, including also all renegotiation of the audio
codec during a voice call.

Bug: 119871674
Test: Verified dumping metrics after several calls on CS and IMS
Change-Id: I8e763fdb5428d983fec20bb1f0d9dafbbdf6ad4f
parent 161a5586

proto/src/telephony.proto

+53 −0
Original line number Diff line number Diff line
@@ -1082,6 +1082,9 @@ message TelephonyCallSession { 


      // System time overwritten by NITZ (Network time)

      NITZ_TIME = 21;



      // Change of audio codec

      AUDIO_CODEC = 22;

    }



    enum RilRequest {
@@ -1174,6 +1177,53 @@ message TelephonyCallSession { 
      CALL_DISCONNECTING = 9;

    }



    // Audio codecs

    enum AudioCodec {



      // Unknown codec

      AUDIO_CODEC_UNKNOWN = 0;



      AUDIO_CODEC_AMR = 1;



      AUDIO_CODEC_AMR_WB = 2;



      AUDIO_CODEC_QCELP13K = 3;



      AUDIO_CODEC_EVRC = 4;



      AUDIO_CODEC_EVRC_B = 5;



      AUDIO_CODEC_EVRC_WB = 6;



      AUDIO_CODEC_EVRC_NW = 7;



      AUDIO_CODEC_GSM_EFR = 8;



      AUDIO_CODEC_GSM_FR = 9;



      AUDIO_CODEC_GSM_HR = 10;



      AUDIO_CODEC_G711U = 11;



      AUDIO_CODEC_G723 = 12;



      AUDIO_CODEC_G711A = 13;



      AUDIO_CODEC_G722 = 14;



      AUDIO_CODEC_G711AB = 15;



      AUDIO_CODEC_G729 = 16;



      AUDIO_CODEC_EVS_NB = 17;



      AUDIO_CODEC_EVS_WB = 18;



      AUDIO_CODEC_EVS_SWB = 19;



      AUDIO_CODEC_EVS_FB = 20;

    }



    // The information about a voice call

    message RilCall {
@@ -1281,6 +1331,9 @@ message TelephonyCallSession { 


    // NITZ time in milliseconds

    optional int64 nitz_timestamp_millis = 21;



    // Audio codec at the beginning of the session or when changed

    optional AudioCodec audio_codec = 22;

  }



  // Time when call has started, in minutes since epoch,

src/java/com/android/internal/telephony/GsmCdmaConnection.java

+12 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ import android.text.TextUtils; 


import com.android.internal.telephony.cdma.CdmaCallWaitingNotification;

import com.android.internal.telephony.cdma.CdmaSubscriptionSourceManager;

import com.android.internal.telephony.metrics.TelephonyMetrics;

import com.android.internal.telephony.uicc.IccCardApplicationStatus.AppState;

import com.android.internal.telephony.uicc.UiccCardApplication;
@@ -77,6 +78,11 @@ public class GsmCdmaConnection extends Connection { 
    // The cached delay to be used between DTMF tones fetched from carrier config.

    private int mDtmfToneDelay = 0;



    // Store the current audio codec

    private int mAudioCodec = DriverCall.AUDIO_QUALITY_UNSPECIFIED;



    private TelephonyMetrics mMetrics = TelephonyMetrics.getInstance();



    //***** Event Constants

    static final int EVENT_DTMF_DONE = 1;

    static final int EVENT_PAUSE_DONE = 2;
@@ -661,6 +667,12 @@ public class GsmCdmaConnection extends Connection { 
            changed = true;

        }



        // Metrics for audio codec

        if (dc.audioQuality != mAudioCodec) {

            mAudioCodec = dc.audioQuality;

            mMetrics.writeAudioCodecGsmCdma(mOwner.getPhone().getPhoneId(), dc.audioQuality);

        }



        // A null cnapName should be the same as ""

        if (TextUtils.isEmpty(dc.name)) {

            if (!TextUtils.isEmpty(mCnapName)) {

src/java/com/android/internal/telephony/imsphone/ImsPhoneConnection.java

+12 −0
Original line number Diff line number Diff line
@@ -46,6 +46,7 @@ import com.android.internal.telephony.Connection; 
import com.android.internal.telephony.Phone;

import com.android.internal.telephony.PhoneConstants;

import com.android.internal.telephony.UUSInfo;

import com.android.internal.telephony.metrics.TelephonyMetrics;



import java.util.Objects;
@@ -64,6 +65,7 @@ public class ImsPhoneConnection extends Connection implements 
    private ImsPhoneCall mParent;

    private ImsCall mImsCall;

    private Bundle mExtras = new Bundle();

    private TelephonyMetrics mMetrics = TelephonyMetrics.getInstance();



    private boolean mDisconnected;
@@ -123,6 +125,9 @@ public class ImsPhoneConnection extends Connection implements 
     */

    private boolean mIsLocalVideoCapable = true;



    // Store the current audio codec

    private int mAudioCodec = ImsStreamMediaProfile.AUDIO_QUALITY_NONE;



    //***** Event Constants

    private static final int EVENT_DTMF_DONE = 1;

    private static final int EVENT_PAUSE_DONE = 2;
@@ -964,6 +969,13 @@ public class ImsPhoneConnection extends Connection implements 
                }

            }



            // Metrics for audio codec

            if (localCallProfile != null

                    && localCallProfile.mMediaProfile.mAudioQuality != mAudioCodec) {

                mAudioCodec = localCallProfile.mMediaProfile.mAudioQuality;

                mMetrics.writeAudioCodecIms(mOwner.mPhone.getPhoneId(), imsCall.getCallSession());

            }



            int newAudioQuality =

                    getAudioQualityFromCallProfile(localCallProfile, remoteCallProfile);

            if (getAudioQuality() != newAudioQuality) {

src/java/com/android/internal/telephony/metrics/CallSessionEventBuilder.java

+6 −0
Original line number Diff line number Diff line
@@ -130,4 +130,10 @@ public class CallSessionEventBuilder { 
        mEvent.calls = rilCalls;

        return this;

    }



    /** Set the audio codec. */

    public CallSessionEventBuilder setAudioCodec(int audioCodec) {

        mEvent.audioCodec = audioCodec;

        return this;

    }

}

src/java/com/android/internal/telephony/metrics/TelephonyMetrics.java

+138 −0
Original line number Diff line number Diff line
@@ -46,8 +46,10 @@ import android.telephony.TelephonyHistogram; 
import android.telephony.TelephonyManager;

import android.telephony.data.DataCallResponse;

import android.telephony.data.DataService;

import android.telephony.ims.ImsCallProfile;

import android.telephony.ims.ImsCallSession;

import android.telephony.ims.ImsReasonInfo;

import android.telephony.ims.ImsStreamMediaProfile;

import android.telephony.ims.feature.MmTelFeature;

import android.telephony.ims.stub.ImsRegistrationImplBase;

import android.telephony.ims.stub.ImsSmsImplBase;
@@ -55,6 +57,7 @@ import android.text.TextUtils; 
import android.util.Base64;

import android.util.SparseArray;



import com.android.internal.telephony.DriverCall;

import com.android.internal.telephony.GsmCdmaConnection;

import com.android.internal.telephony.PhoneConstants;

import com.android.internal.telephony.RIL;
@@ -299,6 +302,8 @@ public class TelephonyMetrics { 
                return "PHONE_STATE_CHANGED";

            case TelephonyCallSession.Event.Type.NITZ_TIME:

                return "NITZ_TIME";

            case TelephonyCallSession.Event.Type.AUDIO_CODEC:

                return "AUDIO_CODEC";

            default:

                return Integer.toString(event);

        }
@@ -388,6 +393,9 @@ public class TelephonyMetrics { 
                                + " isMultiparty = " + call.isMultiparty);

                    }

                    pw.decreaseIndent();

                } else if (event.type == TelephonyCallSession.Event.Type.AUDIO_CODEC) {

                    pw.println(callSessionEventToString(event.type)

                            + "(" + event.audioCodec + ")");

                } else {

                    pw.println(callSessionEventToString(event.type));

                }
@@ -1943,6 +1951,136 @@ public class TelephonyMetrics { 
        addTelephonyEvent(event);

    }



    /**

     * Convert IMS audio codec into proto defined value

     *

     * @param c IMS codec value

     * @return Codec value defined in call session proto

     */

    private int convertImsCodec(int c) {

        switch (c) {

            case ImsStreamMediaProfile.AUDIO_QUALITY_AMR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_AMR;

            case ImsStreamMediaProfile.AUDIO_QUALITY_AMR_WB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_AMR_WB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_QCELP13K:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_QCELP13K;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVRC:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVRC_B:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_B;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVRC_WB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_WB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVRC_NW:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_NW;

            case ImsStreamMediaProfile.AUDIO_QUALITY_GSM_EFR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_EFR;

            case ImsStreamMediaProfile.AUDIO_QUALITY_GSM_FR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_FR;

            case ImsStreamMediaProfile.AUDIO_QUALITY_GSM_HR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_HR;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G711U:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G711U;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G723:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G723;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G711A:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G711A;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G722:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G722;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G711AB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G711AB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_G729:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_G729;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVS_NB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVS_NB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVS_WB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVS_WB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVS_SWB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVS_SWB;

            case ImsStreamMediaProfile.AUDIO_QUALITY_EVS_FB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVS_FB;

            default:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_UNKNOWN;

        }

    }



    /**

     * Convert GSM/CDMA audio codec into proto defined value

     *

     * @param c GSM/CDMA codec value

     * @return Codec value defined in call session proto

     */

    private int convertGsmCdmaCodec(int c) {

        switch (c) {

            case DriverCall.AUDIO_QUALITY_AMR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_AMR;

            case DriverCall.AUDIO_QUALITY_AMR_WB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_AMR_WB;

            case DriverCall.AUDIO_QUALITY_GSM_EFR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_EFR;

            case DriverCall.AUDIO_QUALITY_GSM_FR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_FR;

            case DriverCall.AUDIO_QUALITY_GSM_HR:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_GSM_HR;

            case DriverCall.AUDIO_QUALITY_EVRC:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC;

            case DriverCall.AUDIO_QUALITY_EVRC_B:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_B;

            case DriverCall.AUDIO_QUALITY_EVRC_WB:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_WB;

            case DriverCall.AUDIO_QUALITY_EVRC_NW:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_EVRC_NW;

            default:

                return TelephonyCallSession.Event.AudioCodec.AUDIO_CODEC_UNKNOWN;

        }

    }



    /**

     * Write audio codec event

     *

     * @param phoneId Phone id

     * @param session IMS call session

     */

    public void writeAudioCodecIms(int phoneId, ImsCallSession session) {

        InProgressCallSession callSession = mInProgressCallSessions.get(phoneId);

        if (callSession == null) {

            Rlog.e(TAG, "Call session is missing");

            return;

        }



        ImsCallProfile localCallProfile = session.getLocalCallProfile();

        if (localCallProfile != null) {

            int codec = convertImsCodec(localCallProfile.mMediaProfile.mAudioQuality);

            callSession.addEvent(new CallSessionEventBuilder(

                    TelephonyCallSession.Event.Type.AUDIO_CODEC)

                    .setCallIndex(getCallId(session))

                    .setAudioCodec(codec));



            if (VDBG) Rlog.v(TAG, "Logged Audio Codec event. Value: " + codec);

        }

    }



    /**

     * Write audio codec event

     *

     * @param phoneId Phone id

     * @param audioQuality Audio quality value

     */

    public void writeAudioCodecGsmCdma(int phoneId, int audioQuality) {

        InProgressCallSession callSession = mInProgressCallSessions.get(phoneId);

        if (callSession == null) {

            Rlog.e(TAG, "Call session is missing");

            return;

        }



        int codec = convertGsmCdmaCodec(audioQuality);

        callSession.addEvent(new CallSessionEventBuilder(

                TelephonyCallSession.Event.Type.AUDIO_CODEC)

                .setAudioCodec(codec));



        if (VDBG) Rlog.v(TAG, "Logged Audio Codec event. Value: " + codec);

    }



    //TODO: Expand the proto in the future

    public void writeOnImsCallProgressing(int phoneId, ImsCallSession session) {}

    public void writeOnImsCallStarted(int phoneId, ImsCallSession session) {}