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Commit 6e8aec8d authored by Andreas Huber's avatar Andreas Huber
Browse files

Removed rtp timestamp patching hack in ANetworkSession, advertise 

differentiated service tags to help prioritize our traffic.

Change-Id: Ibe42df64da272f4bb6b978e46a4ea2efdadfcbc7
parent 80bf5cc2

media/libstagefright/wifi-display/ANetworkSession.cpp

+8 −18
Original line number Diff line number Diff line
@@ -451,24 +451,6 @@ status_t ANetworkSession::Session::writeMore() { 
            const Fragment &frag = *mOutFragments.begin();

            const sp<ABuffer> &datagram = frag.mBuffer;



            uint8_t *data = datagram->data();

            if (data[0] == 0x80 && (data[1] & 0x7f) == 33) {

                int64_t nowUs = ALooper::GetNowUs();



                uint32_t prevRtpTime = U32_AT(&data[4]);



                // 90kHz time scale

                uint32_t rtpTime = (nowUs * 9ll) / 100ll;

                int32_t diffTime = (int32_t)rtpTime - (int32_t)prevRtpTime;



                ALOGV("correcting rtpTime by %.0f ms", diffTime / 90.0);



                data[4] = rtpTime >> 24;

                data[5] = (rtpTime >> 16) & 0xff;

                data[6] = (rtpTime >> 8) & 0xff;

                data[7] = rtpTime & 0xff;

            }



            int n;

            do {

                n = send(mSocket, datagram->data(), datagram->size(), 0);
@@ -874,6 +856,14 @@ status_t ANetworkSession::createClientOrServer( 
            err = -errno;

            goto bail2;

        }



        int tos = 224;  // VOICE

        res = setsockopt(s, IPPROTO_IP, IP_TOS, &tos, sizeof(tos));



        if (res < 0) {

            err = -errno;

            goto bail2;

        }

    }



    err = MakeSocketNonBlocking(s);