# Wowza Streaming Engine **URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=199 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 200 --- ## [How to check if stream is available in the liverepeater edge](https://community.wowza.com/t/how-to-check-if-stream-is-available-in-the-liverepeater-edge/37397)
**Author:** [@Przemys\_322\_aw\_Sobal](https://community.wowza.com/u/Przemys_322_aw_Sobal)\ **Replies:** 2\ **Last updated:** [February 17, 2015, 5:09pm UTC](https://community.wowza.com/t/how-to-check-if-stream-is-available-in-the-liverepeater-edge/37397 "2015-02-17T17:09:48Z")
In liverepeater origin/edge scenario only origin knows if stream is available (is being published). Edge tries to reconnect continuously and player doesn’t get that error message (doesn’t receive any event). At least Fla… --- ## [Null pointer exception at com.wowza.wms.stream.MediaStreamMap.removeDvrRecorder](https://community.wowza.com/t/null-pointer-exception-at-com-wowza-wms-stream-mediastreammap-removedvrrecorder/42118)
**Author:** [@Ofer\_Herman](https://community.wowza.com/u/Ofer_Herman)\ **Replies:** 1\ **Last updated:** [February 17, 2015, 10:26am UTC](https://community.wowza.com/t/null-pointer-exception-at-com-wowza-wms-stream-mediastreammap-removedvrrecorder/42118 "2015-02-17T10:26:51Z")
Hi, we are running Wowza on 5 live streams and getting these exceptions after several hours, after that wowza starts to have high CPU and the streaming is stuck. comment server ERROR 500 - DvrPacketHandler.handlePacket… --- ## [Query for File Names?](https://community.wowza.com/t/query-for-file-names/44732)
**Author:** [@Bernie\_Hunt](https://community.wowza.com/u/Bernie_Hunt)\ **Replies:** 2\ **Last updated:** [February 17, 2015, 10:04am UTC](https://community.wowza.com/t/query-for-file-names/44732 "2015-02-17T10:04:39Z")
In a VOD application, is there a way for the client to query to Wowza Media Server to get a list of all files are available? Thanks --- ## [banned ???](https://community.wowza.com/t/banned/44779)
**Author:** [@viet\_pham](https://community.wowza.com/u/viet_pham)\ **Replies:** 2\ **Last updated:** [February 17, 2015, 8:12am UTC](https://community.wowza.com/t/banned/44779 "2015-02-17T08:12:44Z")
hello I posted a question regarding RAM usage reported in the wowza web manager and apparently I got banned :mad: … May be my post was considered as spam since I linked to two capture screens of the wowza web manager ?… --- ## [Multicast trouble - Possible bug](https://community.wowza.com/t/multicast-trouble-possible-bug/44778)
**Author:** [@DGIS\_HCDN](https://community.wowza.com/u/DGIS_HCDN)\ **Replies:** 1\ **Last updated:** [February 17, 2015, 8:07am UTC](https://community.wowza.com/t/multicast-trouble-possible-bug/44778 "2015-02-17T08:07:21Z")
We have been using Wowza 3.5.4 without problems. We recently updated to version 4.1.1 Wowza Streaming Engine build13180 and are experiencing a problem with multicast. We are using VLC as media player and the MRL is “rts… --- ## [RTP session create restriction!](https://community.wowza.com/t/rtp-session-create-restriction/44485)
**Author:** [@Ahsanul\_Kabir](https://community.wowza.com/u/Ahsanul_Kabir)\ **Replies:** 2\ **Last updated:** [February 16, 2015, 4:28pm UTC](https://community.wowza.com/t/rtp-session-create-restriction/44485 "2015-02-16T16:28:26Z")
we’ve a live Stream running in our wowza server. Now, if user access the stream from vlc player, We get the user agent information from wowza\_access log. and if user access the stream from browser, then the stream is pla… --- ## [Prepared HLS video files](https://community.wowza.com/t/prepared-hls-video-files/43489)
**Author:** [@Andrey\_Litvinov](https://community.wowza.com/u/Andrey_Litvinov)\ **Replies:** 1\ **Last updated:** [February 16, 2015, 11:33am UTC](https://community.wowza.com/t/prepared-hls-video-files/43489 "2015-02-16T11:33:54Z")
Hi everyone, Do you know is it possible to have preparated HLS video files? For example I have m3u8 playlist and chunk files. Is it possible to play it by VOD application? Or VOD applicaion just able create it self from… --- ## [Strange recording](https://community.wowza.com/t/strange-recording/34302)
**Author:** [@Marcel\_Rouwenhorst](https://community.wowza.com/u/Marcel_Rouwenhorst)\ **Replies:** 4\ **Last updated:** [February 16, 2015, 9:21am UTC](https://community.wowza.com/t/strange-recording/34302 "2015-02-16T09:21:03Z")
Hi Wowza, We use wowza to make recording of live video chats. I noticed one of the flv recordings has a jump of more then a hour in the timecode at 51 second. This probably messes up our ffmpeg conversion of this file I… --- ## [Starting the service](https://community.wowza.com/t/starting-the-service/44730)
**Author:** [@Bernie\_Hunt](https://community.wowza.com/u/Bernie_Hunt)\ **Replies:** 3\ **Last updated:** [February 16, 2015, 9:14am UTC](https://community.wowza.com/t/starting-the-service/44730 "2015-02-16T09:14:11Z")
I have found two different ways to start the engine in the documentation. cd /user/local/WowazaStreamingEngine/bin ./startup.sh and sudo service WowzaStreamingEngineManager start What is the difference between the… --- ## [Using Google credit to get Wowza licence](https://community.wowza.com/t/using-google-credit-to-get-wowza-licence/44777)
**Author:** [@TheRightDoctors\_com](https://community.wowza.com/u/TheRightDoctors_com)\ **Replies:** 1\ **Last updated:** [February 16, 2015, 8:18am UTC](https://community.wowza.com/t/using-google-credit-to-get-wowza-licence/44777 "2015-02-16T08:18:57Z")
Hello, We were tryng to install wowza in google cloud and it asked us to give the wowza licence key. Now, to get a licence key, can we use google credit for it?? Thank you --- ## [Wowza billings on Google Cloud](https://community.wowza.com/t/wowza-billings-on-google-cloud/44773)
**Author:** [@TheRightDoctors\_com](https://community.wowza.com/u/TheRightDoctors_com)\ **Replies:** 1\ **Last updated:** [February 16, 2015, 8:17am UTC](https://community.wowza.com/t/wowza-billings-on-google-cloud/44773 "2015-02-16T08:17:57Z")
Hello, We heard Wowza joined Google Cloud Platform with Google Compute Engine, So can Google credit be used for Wowza billings?? Thank you --- ## [HTML5 Live streaming](https://community.wowza.com/t/html5-live-streaming/43267)
**Author:** [@Grzegorz\_Balcewicz1](https://community.wowza.com/u/Grzegorz_Balcewicz1)\ **Replies:** 4\ **Last updated:** [February 16, 2015, 7:37am UTC](https://community.wowza.com/t/html5-live-streaming/43267 "2015-02-16T07:37:49Z")
Hello, I have to livestream video on mobile devices in HTML5 as well as on major desktop browsers. According to old topic: Streaming to HTML5 from wowza it seems that it was not possible. I have also get into statement … --- ## [Live streaming with HTML5](https://community.wowza.com/t/live-streaming-with-html5/503)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 6\ **Last updated:** [February 16, 2015, 2:53am UTC](https://community.wowza.com/t/live-streaming-with-html5/503 "2015-02-16T02:53:00Z")
Hello Community With Youtube moving to stop the support of flash (http://youtube-eng.blogspot.jp/2015/01/youtube-now-defaults-to-html5\_27.html) and the lack of clean HLS support in recent android version, I’m more and m… --- ## [dvrChunkDurationMinimum parameter ignored when using NVENC on WowzaStreamingEngine 4](https://community.wowza.com/t/dvrchunkdurationminimum-parameter-ignored-when-using-nvenc-on-wowzastreamingengine-4/38997)
**Author:** [@Ferdinand\_Hernandez](https://community.wowza.com/u/Ferdinand_Hernandez)\ **Replies:** 2\ **Last updated:** [February 13, 2015, 11:01pm UTC](https://community.wowza.com/t/dvrchunkdurationminimum-parameter-ignored-when-using-nvenc-on-wowzastreamingengine-4/38997 "2015-02-13T23:01:27Z")
Hi Guys, We are currently having an issue with dvrChunkDurationMinimum parameter in our Application.xml on WowzaStreamingEngine 4.1.0. It seems like when using NVENC transcoder this parameter is being ignored. We have s… --- ## [Two questions on Wowza (Bitrate and Stream Kill)](https://community.wowza.com/t/two-questions-on-wowza-bitrate-and-stream-kill/43245)
**Author:** [@Roman\_Mur](https://community.wowza.com/u/Roman_Mur)\ **Replies:** 3\ **Last updated:** [February 13, 2015, 3:31pm UTC](https://community.wowza.com/t/two-questions-on-wowza-bitrate-and-stream-kill/43245 "2015-02-13T15:31:42Z")
I have a site of personal online-broadcastings on the basis of the WOWZA server. The programmer wrote for me the module for WOWZA and was gone. Therefore I address to you. As to me to solve two problems: To global l… --- ## [Wowza Plus Pack - Unlimited Transcoder Channels not working?](https://community.wowza.com/t/wowza-plus-pack-unlimited-transcoder-channels-not-working/36150)
**Author:** [@Enrico\_Kern](https://community.wowza.com/u/Enrico_Kern)\ **Replies:** 3\ **Last updated:** [February 13, 2015, 12:12am UTC](https://community.wowza.com/t/wowza-plus-pack-unlimited-transcoder-channels-not-working/36150 "2015-02-13T00:12:20Z")
Hi, just asking. I purchased the 295 $ Plus Pack in December which offered unlimited transcoder channels. Is it normal to see 1 Transcoder Channel in the invoice anyway? I applied the Plus Pack license on a monthly lice… --- ## [Storage Directory on NAS](https://community.wowza.com/t/storage-directory-on-nas/44729)
**Author:** [@Patrick\_Sindlev](https://community.wowza.com/u/Patrick_Sindlev)\ **Replies:** 4\ **Last updated:** [February 12, 2015, 3:53pm UTC](https://community.wowza.com/t/storage-directory-on-nas/44729 "2015-02-12T15:53:06Z")
We are in the process of migrating from Wowza Media Server to Wowza Streaming Server. All our VOD content is on a NAS server. How do I configure the storage directory for an external share in the application configuratio… --- ## [Time and day information](https://community.wowza.com/t/time-and-day-information/43081)
**Author:** [@Guilherme\_Nozawa](https://community.wowza.com/u/Guilherme_Nozawa)\ **Replies:** 1\ **Last updated:** [February 12, 2015, 1:58pm UTC](https://community.wowza.com/t/time-and-day-information/43081 "2015-02-12T13:58:40Z")
Hey, I would like to know if using nDVR information as time and day are stored together with recordings. Can I capture a recording, for example, of day February 11th, 2015 from 17:00 to 17:30? Is this possible? Gratefu… --- ## [HLS session don't release](https://community.wowza.com/t/hls-session-dont-release/40969)
**Author:** [@Manh\_Hung\_Nguyen](https://community.wowza.com/u/Manh_Hung_Nguyen)\ **Replies:** 1\ **Last updated:** [February 12, 2015, 9:11am UTC](https://community.wowza.com/t/hls-session-dont-release/40969 "2015-02-12T09:11:23Z")
Hi Everyone, My Wowza Engine Server have a problem that HLS session don’t release gracefully. For my instance, sometime the HLS connection increases fastly, but the network bandwidth don’t increase respectively. Two p… --- ## [HLS Playback Start Time: RTSP vs MPEG-TS source stream](https://community.wowza.com/t/hls-playback-start-time-rtsp-vs-mpeg-ts-source-stream/44439)
**Author:** [@1111](https://community.wowza.com/u/1111)\ **Replies:** 2\ **Last updated:** [February 12, 2015, 7:31am UTC](https://community.wowza.com/t/hls-playback-start-time-rtsp-vs-mpeg-ts-source-stream/44439 "2015-02-12T07:31:39Z")
Hello, I’m using startMediaCasterStream() to dynamically connect to a set of streams that are then re-streamed with HLS. I’m noticing big playback start time differences between an RTSP and an MPEG-TS source: it takes … --- ## [Livestreaming lot of delay](https://community.wowza.com/t/livestreaming-lot-of-delay/44646)
**Author:** [@VALERI\_Nicolas](https://community.wowza.com/u/VALERI_Nicolas)\ **Replies:** 1\ **Last updated:** [February 11, 2015, 3:19pm UTC](https://community.wowza.com/t/livestreaming-lot-of-delay/44646 "2015-02-11T15:19:15Z")
Hello Everyone, It’s my first post on this forum. We have two servers with identical characteristics. MacOS 64bits on one and Debian 7 64bits on the other. Wowza configurations are identical. On the MacOS live opens… --- ## [Can I create dynamic & multiple stream url for one VOD content?](https://community.wowza.com/t/can-i-create-dynamic-multiple-stream-url-for-one-vod-content/44723)
**Author:** [@Jeong-Hoon\_Seo](https://community.wowza.com/u/Jeong-Hoon_Seo)\ **Replies:** 1\ **Last updated:** [February 11, 2015, 12:03pm UTC](https://community.wowza.com/t/can-i-create-dynamic-multiple-stream-url-for-one-vod-content/44723 "2015-02-11T12:03:48Z")
Hi. I want to create multiple stream url for one content(local file). And this url must be created(or remove) in run-time(WowzaStreamingEngine). Is it support? --- ## [Statistics live monitoring application](https://community.wowza.com/t/statistics-live-monitoring-application/44267)
**Author:** [@pork\_pork](https://community.wowza.com/u/pork_pork)\ **Replies:** 3\ **Last updated:** [February 11, 2015, 11:43am UTC](https://community.wowza.com/t/statistics-live-monitoring-application/44267 "2015-02-11T11:43:54Z")
Hi, :cool:! The total monitoring data connections, in bytes and bytes out my application are shown correctly, but the connections and network charts do not have data of min, max, average or actual. I have to do some co… --- ## [Degradation in transcoder quality after upgrading to 4.1.1](https://community.wowza.com/t/degradation-in-transcoder-quality-after-upgrading-to-4-1-1/42622)
**Author:** [@Anupam\_Shah](https://community.wowza.com/u/Anupam_Shah)\ **Replies:** 4\ **Last updated:** [February 11, 2015, 10:09am UTC](https://community.wowza.com/t/degradation-in-transcoder-quality-after-upgrading-to-4-1-1/42622 "2015-02-11T10:09:07Z")
Hello, We recently upgraded Wowza Streaming Engine to 4.1.1 from 4.0.4 and we are seeing degradation in video quality and blockiness in the video after upgrade. We have this setup where we are running Wowza on AWS ec2 … --- ## [Module to Stop RTSP Streaming when no Clients](https://community.wowza.com/t/module-to-stop-rtsp-streaming-when-no-clients/44682)
**Author:** [@Marco\_Canali](https://community.wowza.com/u/Marco_Canali)\ **Replies:** 1\ **Last updated:** [February 11, 2015, 9:25am UTC](https://community.wowza.com/t/module-to-stop-rtsp-streaming-when-no-clients/44682 "2015-02-11T09:25:38Z")
How can build a Module to stop the RTSP Streaming coming from a IP Camera when there are no clients ( Bytes Out: 0 @ 0.000 bits/s ) on the cam’s streaming ? If someone have an example ! Thanks in Advance ! --- ## [Multiple transcoding servers??](https://community.wowza.com/t/multiple-transcoding-servers/39412)
**Author:** [@Christian\_Olsson](https://community.wowza.com/u/Christian_Olsson)\ **Replies:** 3\ **Last updated:** [February 10, 2015, 9:22pm UTC](https://community.wowza.com/t/multiple-transcoding-servers/39412 "2015-02-10T21:22:45Z")
Currently we are only using one server and can handle about 4 simultaneous streams with a total of 3000 connections thus using 10Gb/s while transcoding all streams to 3 different qualities. Now i understand how live stre… --- ## [SecureToken 2 with MediaCache and RTMP protocol](https://community.wowza.com/t/securetoken-2-with-mediacache-and-rtmp-protocol/35742)
**Author:** [@Carlos\_Prata](https://community.wowza.com/u/Carlos_Prata)\ **Replies:** 1\ **Last updated:** [February 10, 2015, 6:27pm UTC](https://community.wowza.com/t/securetoken-2-with-mediacache-and-rtmp-protocol/35742 "2015-02-10T18:27:24Z")
I found a bug in SecureToken 2 when using the RTMPS protocol. RTMP works normally. I define string vod/mp4:sample.mp4?65a4f04573112610 and Wowza read string host.com/vod/mp4:sample.mp4?65a4f04573112610 calculating wrong… --- ## [Active stream but blank/empty video](https://community.wowza.com/t/active-stream-but-blank-empty-video/44712)
**Author:** [@Rohan\_Patel](https://community.wowza.com/u/Rohan_Patel)\ **Replies:** 1\ **Last updated:** [February 10, 2015, 6:01pm UTC](https://community.wowza.com/t/active-stream-but-blank-empty-video/44712 "2015-02-10T18:01:54Z")
Hi, I am getting an active incoming stream (Multicast) but when I try and record this stream or play this stream using test player it plays a blank video. However, under network connections (monitoring tab) I can see th… --- ## [How get statistics](https://community.wowza.com/t/how-get-statistics/44397)
**Author:** [@panagiotis\_georgas](https://community.wowza.com/u/panagiotis_georgas)\ **Replies:** 3\ **Last updated:** [February 10, 2015, 1:48pm UTC](https://community.wowza.com/t/how-get-statistics/44397 "2015-02-10T13:48:45Z")
Hello! I’m Panos and I am a web developer. My company owns a WOWZA media server with USB key license. They ask from me to provide them statistic information about how many users are watching each movie. Is there a WO… --- ## [Unable to preview RTSP stream in Wowza 4 Stream Manager](https://community.wowza.com/t/unable-to-preview-rtsp-stream-in-wowza-4-stream-manager/37362)
**Author:** [@Noah\_Watson](https://community.wowza.com/u/Noah_Watson)\ **Replies:** 4\ **Last updated:** [February 10, 2015, 11:23am UTC](https://community.wowza.com/t/unable-to-preview-rtsp-stream-in-wowza-4-stream-manager/37362 "2015-02-10T11:23:38Z")
I currently have around 50 namebrand (axis & sony) live IP cameras being ingested by RTSP into my Wowza 4 stream manager and they are properly pushing to my CDN. I am using the RTP Medicaster type. I recently attempted … [Previous page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=198) [Next page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=200)