コード例 #1
0
status_t WifiDisplaySource::sendM16(int32_t sessionID) {
    AString request = "GET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    CHECK_EQ(sessionID, mClientSessionID);
    request.append(
            AStringPrintf("Session: %d\r\n", mClientInfo.mPlaybackSessionID));
    request.append("\r\n");  // Empty body

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM16Response);

    ++mNextCSeq;

    scheduleKeepAlive(sessionID);

    return OK;
}
コード例 #2
0
status_t WifiDisplaySource::onSetParameterRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession == NULL) {
        sendErrorResponse(sessionID, "454 Session Not Found", cseq);
        return ERROR_MALFORMED;
    }

    if (strstr(data->getContent(), "wfd_idr_request\r\n")) {
        playbackSession->requestIDRFrame();
    }

    playbackSession->updateLiveness();

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);
    response.append("\r\n");

    status_t err = mNetSession->sendRequest(sessionID, response.c_str());
    return err;
}
コード例 #3
0
status_t WifiDisplaySource::sendM3(int32_t sessionID) {
    AString body =
        "wfd_content_protection\r\n"
        "wfd_video_formats\r\n"
        "wfd_audio_codecs\r\n"
        "wfd_client_rtp_ports\r\n";

    AString request = "GET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    request.append("Content-Type: text/parameters\r\n");
    request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
    request.append("\r\n");
    request.append(body);

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM3Response);

    ++mNextCSeq;

    return OK;
}
コード例 #4
0
status_t WifiDisplaySource::onOptionsRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession != NULL) {
        playbackSession->updateLiveness();
    }

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq);

    response.append(
            "Public: org.wfa.wfd1.0, SETUP, TEARDOWN, PLAY, PAUSE, "
            "GET_PARAMETER, SET_PARAMETER\r\n");

    response.append("\r\n");

    status_t err = mNetSession->sendRequest(sessionID, response.c_str());

    if (err == OK) {
        err = sendM3(sessionID);
    }

    return err;
}
コード例 #5
0
status_t WifiDisplaySource::onTeardownRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    ALOGI("Received TEARDOWN request.");

    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession == NULL) {
        sendErrorResponse(sessionID, "454 Session Not Found", cseq);
        return ERROR_MALFORMED;
    }

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);
    response.append("Connection: close\r\n");
    response.append("\r\n");

    mNetSession->sendRequest(sessionID, response.c_str());

    if (mState == AWAITING_CLIENT_TEARDOWN) {
        CHECK(mStopReplyID != NULL);
        finishStop();
    } else {
        mClient->onDisplayError(IRemoteDisplayClient::kDisplayErrorUnknown);
    }

    return OK;
}
コード例 #6
0
status_t WifiDisplaySource::sendM4(int32_t sessionID) {
    CHECK_EQ(sessionID, mClientSessionID);

    AString body;

    if (mSinkSupportsVideo) {
        body.append("wfd_video_formats: ");

        VideoFormats chosenVideoFormat;
        chosenVideoFormat.disableAll();
        chosenVideoFormat.setNativeResolution(
                mChosenVideoResolutionType, mChosenVideoResolutionIndex);
        chosenVideoFormat.setProfileLevel(
                mChosenVideoResolutionType, mChosenVideoResolutionIndex,
                mChosenVideoProfile, mChosenVideoLevel);

        body.append(chosenVideoFormat.getFormatSpec(true /* forM4Message */));
        body.append("\r\n");
    }

    if (mSinkSupportsAudio) {
        body.append(
                AStringPrintf("wfd_audio_codecs: %s\r\n",
                             (mUsingPCMAudio
                                ? "LPCM 00000002 00" // 2 ch PCM 48kHz
                                : "AAC 00000001 00")));  // 2 ch AAC 48kHz
    }

    body.append(
            AStringPrintf(
                "wfd_presentation_URL: rtsp://%s/wfd1.0/streamid=0 none\r\n",
                mClientInfo.mLocalIP.c_str()));

    body.append(
            AStringPrintf(
                "wfd_client_rtp_ports: %s\r\n", mWfdClientRtpPorts.c_str()));

    AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    request.append("Content-Type: text/parameters\r\n");
    request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
    request.append("\r\n");
    request.append(body);

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM4Response);

    ++mNextCSeq;

    return OK;
}
コード例 #7
0
status_t WifiDisplaySource::onPlayRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession == NULL) {
        sendErrorResponse(sessionID, "454 Session Not Found", cseq);
        return ERROR_MALFORMED;
    }

    if (mState != AWAITING_CLIENT_PLAY
     && mState != PAUSED_TO_PLAYING
     && mState != PAUSED) {
        ALOGW("Received PLAY request but we're in state %d", mState);

        sendErrorResponse(
                sessionID, "455 Method Not Valid in This State", cseq);

        return INVALID_OPERATION;
    }

    ALOGI("Received PLAY request.");
    if (mPlaybackSessionEstablished) {
        finishPlay();
    } else {
        ALOGI("deferring PLAY request until session established.");
    }

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);
    response.append("Range: npt=now-\r\n");
    response.append("\r\n");

    status_t err = mNetSession->sendRequest(sessionID, response.c_str());

    if (err != OK) {
        return err;
    }

    if (mState == PAUSED_TO_PLAYING || mPlaybackSessionEstablished) {
        mState = PLAYING;
        return OK;
    }

    CHECK_EQ(mState, AWAITING_CLIENT_PLAY);
    mState = ABOUT_TO_PLAY;

    return OK;
}
コード例 #8
0
void WifiDisplaySource::sendErrorResponse(
        int32_t sessionID,
        const char *errorDetail,
        int32_t cseq) {
    AString response;
    response.append("RTSP/1.0 ");
    response.append(errorDetail);
    response.append("\r\n");

    AppendCommonResponse(&response, cseq);

    response.append("\r\n");

    mNetSession->sendRequest(sessionID, response.c_str());
}
コード例 #9
0
status_t WifiDisplaySource::sendTrigger(
        int32_t sessionID, TriggerType triggerType) {
    AString body = "wfd_trigger_method: ";
    switch (triggerType) {
        case TRIGGER_SETUP:
            body.append("SETUP");
            break;
        case TRIGGER_TEARDOWN:
            ALOGI("Sending TEARDOWN trigger.");
            body.append("TEARDOWN");
            break;
        case TRIGGER_PAUSE:
            body.append("PAUSE");
            break;
        case TRIGGER_PLAY:
            body.append("PLAY");
            break;
        default:
            TRESPASS();
    }

    body.append("\r\n");

    AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    request.append("Content-Type: text/parameters\r\n");
    request.append(AStringPrintf("Content-Length: %d\r\n", body.size()));
    request.append("\r\n");
    request.append(body);

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM5Response);

    ++mNextCSeq;

    return OK;
}
コード例 #10
0
status_t WifiDisplaySource::onPlayRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession == NULL) {
        sendErrorResponse(sessionID, "454 Session Not Found", cseq);
        return ERROR_MALFORMED;
    }

    ALOGI("Received PLAY request.");

    status_t err = playbackSession->play();
    CHECK_EQ(err, (status_t)OK);

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);
    response.append("Range: npt=now-\r\n");
    response.append("\r\n");

    err = mNetSession->sendRequest(sessionID, response.c_str());

    if (err != OK) {
        return err;
    }

    if (mState == PAUSED_TO_PLAYING) {
        mState = PLAYING;
        return OK;
    }

    playbackSession->finishPlay();

    CHECK_EQ(mState, AWAITING_CLIENT_PLAY);
    mState = ABOUT_TO_PLAY;

    return OK;
}
コード例 #11
0
status_t WifiDisplaySource::sendM1(int32_t sessionID) {
    AString request = "OPTIONS * RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    request.append(
            "Require: org.wfa.wfd1.0\r\n"
            "\r\n");

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM1Response);

    ++mNextCSeq;

    return OK;
}
コード例 #12
0
status_t WifiDisplaySource::onPauseRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    int32_t playbackSessionID;
    sp<PlaybackSession> playbackSession =
        findPlaybackSession(data, &playbackSessionID);

    if (playbackSession == NULL) {
        sendErrorResponse(sessionID, "454 Session Not Found", cseq);
        return ERROR_MALFORMED;
    }

    ALOGI("Received PAUSE request.");

    if (mState != PLAYING_TO_PAUSED && mState != PLAYING) {
        return INVALID_OPERATION;
    }

    status_t err = playbackSession->pause();
    CHECK_EQ(err, (status_t)OK);

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);
    response.append("\r\n");

    err = mNetSession->sendRequest(sessionID, response.c_str());

    if (err != OK) {
        return err;
    }

    mState = PAUSED;

    return err;
}
コード例 #13
0
status_t WifiDisplaySource::onSetupRequest(
        int32_t sessionID,
        int32_t cseq,
        const sp<ParsedMessage> &data) {
    CHECK_EQ(sessionID, mClientSessionID);
    if (mClientInfo.mPlaybackSessionID != -1) {
        // We only support a single playback session per client.
        // This is due to the reversed keep-alive design in the wfd specs...
        sendErrorResponse(sessionID, "400 Bad Request", cseq);
        return ERROR_MALFORMED;
    }

    AString transport;
    if (!data->findString("transport", &transport)) {
        sendErrorResponse(sessionID, "400 Bad Request", cseq);
        return ERROR_MALFORMED;
    }

    RTPSender::TransportMode rtpMode = RTPSender::TRANSPORT_UDP;

    int clientRtp, clientRtcp;
    if (transport.startsWith("RTP/AVP/TCP;")) {
        AString interleaved;
        if (ParsedMessage::GetAttribute(
                    transport.c_str(), "interleaved", &interleaved)
                && sscanf(interleaved.c_str(), "%d-%d",
                          &clientRtp, &clientRtcp) == 2) {
            rtpMode = RTPSender::TRANSPORT_TCP_INTERLEAVED;
        } else {
            bool badRequest = false;

            AString clientPort;
            if (!ParsedMessage::GetAttribute(
                        transport.c_str(), "client_port", &clientPort)) {
                badRequest = true;
            } else if (sscanf(clientPort.c_str(), "%d-%d",
                              &clientRtp, &clientRtcp) == 2) {
            } else if (sscanf(clientPort.c_str(), "%d", &clientRtp) == 1) {
                // No RTCP.
                clientRtcp = -1;
            } else {
                badRequest = true;
            }

            if (badRequest) {
                sendErrorResponse(sessionID, "400 Bad Request", cseq);
                return ERROR_MALFORMED;
            }

            rtpMode = RTPSender::TRANSPORT_TCP;
        }
    } else if (transport.startsWith("RTP/AVP;unicast;")
            || transport.startsWith("RTP/AVP/UDP;unicast;")) {
        bool badRequest = false;

        AString clientPort;
        if (!ParsedMessage::GetAttribute(
                    transport.c_str(), "client_port", &clientPort)) {
            badRequest = true;
        } else if (sscanf(clientPort.c_str(), "%d-%d",
                          &clientRtp, &clientRtcp) == 2) {
        } else if (sscanf(clientPort.c_str(), "%d", &clientRtp) == 1) {
            // No RTCP.
            clientRtcp = -1;
        } else {
            badRequest = true;
        }

        if (badRequest) {
            sendErrorResponse(sessionID, "400 Bad Request", cseq);
            return ERROR_MALFORMED;
        }
#if 1
    // The older LG dongles doesn't specify client_port=xxx apparently.
    } else if (transport == "RTP/AVP/UDP;unicast") {
        clientRtp = 19000;
        clientRtcp = -1;
#endif
    } else {
        sendErrorResponse(sessionID, "461 Unsupported Transport", cseq);
        return ERROR_UNSUPPORTED;
    }

    int32_t playbackSessionID = makeUniquePlaybackSessionID();

    sp<AMessage> notify = new AMessage(kWhatPlaybackSessionNotify, this);
    notify->setInt32("playbackSessionID", playbackSessionID);
    notify->setInt32("sessionID", sessionID);

    sp<PlaybackSession> playbackSession =
        new PlaybackSession(
                mOpPackageName, mNetSession, notify, mInterfaceAddr, mHDCP, mMediaPath.c_str());

    looper()->registerHandler(playbackSession);

    AString uri;
    data->getRequestField(1, &uri);

    if (strncasecmp("rtsp://", uri.c_str(), 7)) {
        sendErrorResponse(sessionID, "400 Bad Request", cseq);
        return ERROR_MALFORMED;
    }

    if (!(uri.startsWith("rtsp://") && uri.endsWith("/wfd1.0/streamid=0"))) {
        sendErrorResponse(sessionID, "404 Not found", cseq);
        return ERROR_MALFORMED;
    }

    RTPSender::TransportMode rtcpMode = RTPSender::TRANSPORT_UDP;
    if (clientRtcp < 0) {
        rtcpMode = RTPSender::TRANSPORT_NONE;
    }

    status_t err = playbackSession->init(
            mClientInfo.mRemoteIP.c_str(),
            clientRtp,
            rtpMode,
            clientRtcp,
            rtcpMode,
            mSinkSupportsAudio,
            mUsingPCMAudio,
            mSinkSupportsVideo,
            mChosenVideoResolutionType,
            mChosenVideoResolutionIndex,
            mChosenVideoProfile,
            mChosenVideoLevel);

    if (err != OK) {
        looper()->unregisterHandler(playbackSession->id());
        playbackSession.clear();
    }

    switch (err) {
        case OK:
            break;
        case -ENOENT:
            sendErrorResponse(sessionID, "404 Not Found", cseq);
            return err;
        default:
            sendErrorResponse(sessionID, "403 Forbidden", cseq);
            return err;
    }

    mClientInfo.mPlaybackSessionID = playbackSessionID;
    mClientInfo.mPlaybackSession = playbackSession;

    AString response = "RTSP/1.0 200 OK\r\n";
    AppendCommonResponse(&response, cseq, playbackSessionID);

    if (rtpMode == RTPSender::TRANSPORT_TCP_INTERLEAVED) {
        response.append(
                AStringPrintf(
                    "Transport: RTP/AVP/TCP;interleaved=%d-%d;",
                    clientRtp, clientRtcp));
    } else {
        int32_t serverRtp = playbackSession->getRTPPort();

        AString transportString = "UDP";
        if (rtpMode == RTPSender::TRANSPORT_TCP) {
            transportString = "TCP";
        }

        if (clientRtcp >= 0) {
            response.append(
                    AStringPrintf(
                        "Transport: RTP/AVP/%s;unicast;client_port=%d-%d;"
                        "server_port=%d-%d\r\n",
                        transportString.c_str(),
                        clientRtp, clientRtcp, serverRtp, serverRtp + 1));
        } else {
            response.append(
                    AStringPrintf(
                        "Transport: RTP/AVP/%s;unicast;client_port=%d;"
                        "server_port=%d\r\n",
                        transportString.c_str(),
                        clientRtp, serverRtp));
        }
    }

    response.append("\r\n");

    err = mNetSession->sendRequest(sessionID, response.c_str());

    if (err != OK) {
        return err;
    }

    mState = AWAITING_CLIENT_PLAY;

    scheduleReaper();
    scheduleKeepAlive(sessionID);

    return OK;
}
コード例 #14
0
status_t WifiDisplaySource::sendM4(int32_t sessionID) {
    // wfd_video_formats:
    // 1 byte "native"
    // 1 byte "preferred-display-mode-supported" 0 or 1
    // one or more avc codec structures
    //   1 byte profile
    //   1 byte level
    //   4 byte CEA mask
    //   4 byte VESA mask
    //   4 byte HH mask
    //   1 byte latency
    //   2 byte min-slice-slice
    //   2 byte slice-enc-params
    //   1 byte framerate-control-support
    //   max-hres (none or 2 byte)
    //   max-vres (none or 2 byte)

    CHECK_EQ(sessionID, mClientSessionID);

    AString transportString = "UDP";

    char val[PROPERTY_VALUE_MAX];
    if (property_get("media.wfd.enable-tcp", val, NULL)
            && (!strcasecmp("true", val) || !strcmp("1", val))) {
        ALOGI("Using TCP transport.");
        transportString = "TCP";
    }

    // For 720p60:
    //   use "30 00 02 02 00000040 00000000 00000000 00 0000 0000 00 none none\r\n"
    // For 720p30:
    //   use "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
    // For 720p24:
    //   use "78 00 02 02 00008000 00000000 00000000 00 0000 0000 00 none none\r\n"
    // For 1080p30:
    //   use "38 00 02 02 00000080 00000000 00000000 00 0000 0000 00 none none\r\n"
    AString body = StringPrintf(
        "wfd_video_formats: "
#if defined(USE_1080P)
        "38 00 02 02 00000080 00000000 00000000 00 0000 0000 00 none none\r\n"
#elif defined(USE_480P)
        "08 00 02 02 00000010 00000000 00000000 00 0000 0000 00 none none\r\n"
#else //if defined(USE_720P) default
        "28 00 02 02 00000020 00000000 00000000 00 0000 0000 00 none none\r\n"
#endif
        "wfd_audio_codecs: %s\r\n"
        "wfd_presentation_URL: rtsp://%s/wfd1.0/streamid=0 none\r\n"
        "wfd_client_rtp_ports: RTP/AVP/%s;unicast %d 0 mode=play\r\n",
        (mUsingPCMAudio
            ? "LPCM 00000002 00" // 2 ch PCM 48kHz
            : "AAC 00000001 00"),  // 2 ch AAC 48kHz
        mClientInfo.mLocalIP.c_str(), transportString.c_str(), mChosenRTPPort);

    AString request = "SET_PARAMETER rtsp://localhost/wfd1.0 RTSP/1.0\r\n";
    AppendCommonResponse(&request, mNextCSeq);

    request.append("Content-Type: text/parameters\r\n");
    request.append(StringPrintf("Content-Length: %d\r\n", body.size()));
    request.append("\r\n");
    request.append(body);

    status_t err =
        mNetSession->sendRequest(sessionID, request.c_str(), request.size());

    if (err != OK) {
        return err;
    }

    registerResponseHandler(
            sessionID, mNextCSeq, &WifiDisplaySource::onReceiveM4Response);

    ++mNextCSeq;

    return OK;
}