# Wowza Streaming Engine **URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=102 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 103 --- ## [Restrict domains to play my broadcast if they have my rtmp address](https://community.wowza.com/t/restrict-domains-to-play-my-broadcast-if-they-have-my-rtmp-address/50692)
**Author:** [@Gennadii\_Zakladnyi](https://community.wowza.com/u/Gennadii_Zakladnyi)\ **Replies:** 1\ **Last updated:** [February 4, 2018, 5:01pm UTC](https://community.wowza.com/t/restrict-domains-to-play-my-broadcast-if-they-have-my-rtmp-address/50692 "2018-02-04T17:01:26Z")
hi I have problems with some domains which plays my broadcasting on there web pages So i need to have white list to allow to show my stream I am not coder and for me difficult to do it myself Maybe your team can sugg… --- ## [I'd like to re-stream images captured with action cam to wowza server via gocoder sdk on android](https://community.wowza.com/t/id-like-to-re-stream-images-captured-with-action-cam-to-wowza-server-via-gocoder-sdk-on-android/50690)
**Author:** [@jin\_sin](https://community.wowza.com/u/jin_sin)\ **Replies:** 0\ **Last updated:** [February 3, 2018, 5:52pm UTC](https://community.wowza.com/t/id-like-to-re-stream-images-captured-with-action-cam-to-wowza-server-via-gocoder-sdk-on-android/50690 "2018-02-03T17:52:15Z")
I’d like to get video data with surfaceView and playView on goCoder sdk. I tried several methods, but failed to solve. May I get a solution or sample for this? --- ## [Module class not found or could not be loaded warning in wowza 3.1.2?](https://community.wowza.com/t/module-class-not-found-or-could-not-be-loaded-warning-in-wowza-3-1-2/38550)
**Author:** [@steffina\_divya](https://community.wowza.com/u/steffina_divya)\ **Replies:** 14\ **Last updated:** [February 1, 2018, 9:32pm UTC](https://community.wowza.com/t/module-class-not-found-or-could-not-be-loaded-warning-in-wowza-3-1-2/38550 "2018-02-01T21:32:25Z")
Hi, I have the following error in wowza(3.1.2) log always when i try to publish my live stream: loadModFunctions\[avchat/definst\]: Module class not found or could not be loaded. Check \[install-dir\]/conf/avchat/Applicati… --- ## [Monitor WebRTC Feed From The Bro](https://community.wowza.com/t/monitor-webrtc-feed-from-the-bro/50678)
**Author:** [@Tim\_McClure](https://community.wowza.com/u/Tim_McClure)\ **Replies:** 1\ **Last updated:** [January 31, 2018, 8:53pm UTC](https://community.wowza.com/t/monitor-webrtc-feed-from-the-bro/50678 "2018-01-31T20:53:13Z")
This there a way either through the webrtc protocol or the wowza API know if a stream is coming into a Chrome browser. We are using webrtc to stream from cameras connected to Wowza. We have 2 scenarios: The video is s… --- ## [option cupertinoAllowCaching ignored in current wowza version](https://community.wowza.com/t/option-cupertinoallowcaching-ignored-in-current-wowza-version/50674)
**Author:** [@Alex\_Pokotilo](https://community.wowza.com/u/Alex_Pokotilo)\ **Replies:** 0\ **Last updated:** [January 31, 2018, 3:07am UTC](https://community.wowza.com/t/option-cupertinoallowcaching-ignored-in-current-wowza-version/50674 "2018-01-31T03:07:38Z")
Am I right that https://www.wowza.com/docs/how-to-control-apple-hls-client-caching-ext-x-allow-cache is obsoleted and wowza will not add #EXT-X-ALLOW-CACHE to chunklist in any case ? --- ## [WebRTC Play Example](https://community.wowza.com/t/webrtc-play-example/50667)
**Author:** [@Alessandro\_Moriconi](https://community.wowza.com/u/Alessandro_Moriconi)\ **Replies:** 1\ **Last updated:** [January 30, 2018, 5:04pm UTC](https://community.wowza.com/t/webrtc-play-example/50667 "2018-01-30T17:04:27Z")
I have successfully configured Wowza with WebRTC preview, but I have a problem. If I open example page on Google Chrome on the same machine where wowza lives, streaming start successfully and video is viewed in browser. … --- ## [HLS stream, error when trying to switch streams too fast from player](https://community.wowza.com/t/hls-stream-error-when-trying-to-switch-streams-too-fast-from-player/48896)
**Author:** [@Frederic\_Brandt](https://community.wowza.com/u/Frederic_Brandt)\ **Replies:** 3\ **Last updated:** [January 30, 2018, 4:00pm UTC](https://community.wowza.com/t/hls-stream-error-when-trying-to-switch-streams-too-fast-from-player/48896 "2018-01-30T16:00:27Z")
Hi, I’m trying to achieve making a player where you can switch live HLS sources quickly (using videogular to be accurate). If I switch sources slowly, like waiting for 5-6 seconds, everything works. But, when trying to … --- ## [Wowza Player prevent Delay](https://community.wowza.com/t/wowza-player-prevent-delay/50672)
**Author:** [@Robin\_Trompetter](https://community.wowza.com/u/Robin_Trompetter)\ **Replies:** 0\ **Last updated:** [January 30, 2018, 1:03pm UTC](https://community.wowza.com/t/wowza-player-prevent-delay/50672 "2018-01-30T13:03:12Z")
Hi, I implemented the Wowza Player successfully. The stream works but the delay is huge. The delay goes currently can go up to 20seconds. I am streaming using the Wowza SDK from my android device, currently the app us… --- ## [LiveMediaStreamReceiver.doWatchdog NullPointerException after sessionClosed](https://community.wowza.com/t/livemediastreamreceiver-dowatchdog-nullpointerexception-after-sessionclosed/33619)
**Author:** [@Karel\_Boek](https://community.wowza.com/u/Karel_Boek)\ **Replies:** 3\ **Last updated:** [January 30, 2018, 9:32am UTC](https://community.wowza.com/t/livemediastreamreceiver-dowatchdog-nullpointerexception-after-sessionclosed/33619 "2018-01-30T09:32:58Z")
Wowza 3.6.4; in a 3-tier configuration: An origin server with an incoming RTMP stream An edge server A CDN Server #2 pulls the stream from #1 using a custom module and MediaCaster, then uses Push Publishing t… --- ## [streaming at 6 mega bitrate](https://community.wowza.com/t/streaming-at-6-mega-bitrate/50668)
**Author:** [@Paul\_Santos](https://community.wowza.com/u/Paul_Santos)\ **Replies:** 0\ **Last updated:** [January 29, 2018, 7:09pm UTC](https://community.wowza.com/t/streaming-at-6-mega-bitrate/50668 "2018-01-29T19:09:39Z")
is it possible to stream to a few viewers at 6 mega bitrate? the server is a 1 giga bps port with loads of RAM and cpus. at 2 mega the stream starts to buffer, how to improve the streaming? Thanks --- ## [FFMPEG command not working in wowza module when running on Ubuntu.](https://community.wowza.com/t/ffmpeg-command-not-working-in-wowza-module-when-running-on-ubuntu/50664)
**Author:** [@atulesh\_more](https://community.wowza.com/u/atulesh_more)\ **Replies:** 3\ **Last updated:** [January 29, 2018, 4:50pm UTC](https://community.wowza.com/t/ffmpeg-command-not-working-in-wowza-module-when-running-on-ubuntu/50664 "2018-01-29T16:50:32Z")
Hi Please check this ffmpeg code snippet ( at bottom). This is simple function snapOperation() and this function supposed to take snaps from live stream. The problem is ffmpeg command is not working on my Ubuntu 16 box. … --- ## [How to enable zoom option in camera](https://community.wowza.com/t/how-to-enable-zoom-option-in-camera/50178)
**Author:** [@arvind\_medala](https://community.wowza.com/u/arvind_medala)\ **Replies:** 6\ **Last updated:** [January 29, 2018, 4:19pm UTC](https://community.wowza.com/t/how-to-enable-zoom-option-in-camera/50178 "2018-01-29T16:19:45Z")
Missing title. Missing body. --- ## [Wowza Streaming Engine service 4.7.3 fails to start](https://community.wowza.com/t/wowza-streaming-engine-service-4-7-3-fails-to-start/50647)
**Author:** [@Daniel\_Tailby](https://community.wowza.com/u/Daniel_Tailby)\ **Replies:** 2\ **Last updated:** [January 29, 2018, 9:10am UTC](https://community.wowza.com/t/wowza-streaming-engine-service-4-7-3-fails-to-start/50647 "2018-01-29T09:10:06Z")
Since upgrading the AMI to use 4.7.3 of Wowza Streaming Engine I am unable to launch the Engine service. On deploy the engine fails to start, and when I try to launch the standalone mode I receive the following error: … --- ## [using RTSP from wifi connected camera with libstreaming](https://community.wowza.com/t/using-rtsp-from-wifi-connected-camera-with-libstreaming/50642)
**Author:** [@kang\_yoonsuk1](https://community.wowza.com/u/kang_yoonsuk1)\ **Replies:** 2\ **Last updated:** [January 29, 2018, 8:49am UTC](https://community.wowza.com/t/using-rtsp-from-wifi-connected-camera-with-libstreaming/50642 "2018-01-29T08:49:41Z")
Hi, I am a newbie of using libstreaming. I am wondering if there is a way to use the libstreaming to pull streaming from established rtsp (internal ip) and use it with libstreaming to send it to WOWZA server. So, here … --- ## [How to rename or rewrite the media playlist name](https://community.wowza.com/t/how-to-rename-or-rewrite-the-media-playlist-name/50485)
**Author:** [@Yuya\_Urakawa](https://community.wowza.com/u/Yuya_Urakawa)\ **Replies:** 1\ **Last updated:** [January 29, 2018, 2:18am UTC](https://community.wowza.com/t/how-to-rename-or-rewrite-the-media-playlist-name/50485 "2018-01-29T02:18:37Z")
The media playlist name is “{StreamName}/chunklist.m3u8” by default. Is there a way I can rename or rewrite to “{StreamName}.mp4.m3u8”. --- ## [Start docker in a Wowza container](https://community.wowza.com/t/start-docker-in-a-wowza-container/50578)
**Author:** [@Bjorn\_Boyens](https://community.wowza.com/u/Bjorn_Boyens)\ **Replies:** 3\ **Last updated:** [January 28, 2018, 7:25pm UTC](https://community.wowza.com/t/start-docker-in-a-wowza-container/50578 "2018-01-28T19:25:15Z")
Hello together, I just came into the world of wowza and figure out that it’s not working as descripted here: https://www.wowza.com/docs/how-to-set-up-wowza-streaming-engine-using-docker I started with pulling the dock… --- ## [lagging with wowza stream engine](https://community.wowza.com/t/lagging-with-wowza-stream-engine/50659)
**Author:** [@elodie\_bangalla](https://community.wowza.com/u/elodie_bangalla)\ **Replies:** 1\ **Last updated:** [January 27, 2018, 10:29pm UTC](https://community.wowza.com/t/lagging-with-wowza-stream-engine/50659 "2018-01-27T22:29:31Z")
my problem is the stream start lagging when the traffic is high https://i.imgur.com/bp5yyl3.png https://i.imgur.com/5TWTUyT.png my configuration of vps are : RAM : 50GB Cpu : 10 cores 2.60 GHZ Network : 1GB/s as y… --- ## [Baseline 3.0 Not Playing Back in Chrome (WebRTC)](https://community.wowza.com/t/baseline-3-0-not-playing-back-in-chrome-webrtc/50661)
**Author:** [@john\_mcqueen](https://community.wowza.com/u/john_mcqueen)\ **Replies:** 0\ **Last updated:** [January 27, 2018, 8:37pm UTC](https://community.wowza.com/t/baseline-3-0-not-playing-back-in-chrome-webrtc/50661 "2018-01-27T20:37:39Z")
Google Chrome (Version 64) on Windows 10 encodes this H264 profile… Profile level id: 42F01E Baseline 3.0 This profile wont playback in Chrome on Windows 10 or Mac OS X. Chrome will playback other versions (baseline … --- ## [There is a way to invalidate the current license and to get another instead?-](https://community.wowza.com/t/there-is-a-way-to-invalidate-the-current-license-and-to-get-another-instead/50652)
**Author:** [@Retevision\_SAU](https://community.wowza.com/u/Retevision_SAU)\ **Replies:** 1\ **Last updated:** [January 27, 2018, 4:56pm UTC](https://community.wowza.com/t/there-is-a-way-to-invalidate-the-current-license-and-to-get-another-instead/50652 "2018-01-27T16:56:29Z")
I have used my wowza license for a project (installed in a hardware from a 3rd party) now that project has finished I would like to use this license for another project. But I want to be sure that will not be running mor… --- ## [Transcoding VP8 to H264 for WebRTC - Problem](https://community.wowza.com/t/transcoding-vp8-to-h264-for-webrtc-problem/50624)
**Author:** [@Cody\_Uptain2](https://community.wowza.com/u/Cody_Uptain2)\ **Replies:** 2\ **Last updated:** [January 26, 2018, 4:36pm UTC](https://community.wowza.com/t/transcoding-vp8-to-h264-for-webrtc-problem/50624 "2018-01-26T16:36:14Z")
I am encoding via WebRTC (VP8) and transcoding to H264 (for Safari). I also playback the stream via WebRTC. The transcoded stream will play via RTMP but not WebRTC (the original VP8 plays fine though). Here is the SDP v… --- ## [H264 Stream freezes IOS Safari](https://community.wowza.com/t/h264-stream-freezes-ios-safari/50651)
**Author:** [@john\_mcqueen](https://community.wowza.com/u/john_mcqueen)\ **Replies:** 1\ **Last updated:** [January 26, 2018, 1:49pm UTC](https://community.wowza.com/t/h264-stream-freezes-ios-safari/50651 "2018-01-26T13:49:41Z")
I am streaming h264 via webrtc (encoding and decoding) and it works fine on desktop safari but with the latest version of iOS the video freezes after about 20 seconds or so. Audio continues to play but video is frozen. W… --- ## [Wowza Streaming Engine service halted](https://community.wowza.com/t/wowza-streaming-engine-service-halted/50645)
**Author:** [@Mihai\_Postelnicu](https://community.wowza.com/u/Mihai_Postelnicu)\ **Replies:** 0\ **Last updated:** [January 25, 2018, 3:46pm UTC](https://community.wowza.com/t/wowza-streaming-engine-service-halted/50645 "2018-01-25T15:46:33Z")
From time to time Wowza Streaming Engine process seams to break or stop functioning correctly. I get this error when trying to log in and Wowza Streaming Engine Manager could not connect to the Wowza Streaming Engine ser… --- ## [Wowza Transcoding Hypothetical Benchmark](https://community.wowza.com/t/wowza-transcoding-hypothetical-benchmark/50610)
**Author:** [@Cady\_Maritz1](https://community.wowza.com/u/Cady_Maritz1)\ **Replies:** 3\ **Last updated:** [January 25, 2018, 5:13am UTC](https://community.wowza.com/t/wowza-transcoding-hypothetical-benchmark/50610 "2018-01-25T05:13:57Z")
Hi Guys I am investigating a transcoding solution and would like some educated input please. I am looking at buying a server with the following specifications: Chassis and board (dual 10gbit nics) 2x Xeon E5 2660 v4 … --- ## [RTMP stream with playback security](https://community.wowza.com/t/rtmp-stream-with-playback-security/49211)
**Author:** [@Abhi\_Singh](https://community.wowza.com/u/Abhi_Singh)\ **Replies:** 2\ **Last updated:** [January 24, 2018, 9:47am UTC](https://community.wowza.com/t/rtmp-stream-with-playback-security/49211 "2018-01-24T09:47:55Z")
I have Protect RTMP stream with playback security but not able to play in test player or in vlc player. kindly help me regarding the rtmp url to play the stream --- ## [WebRTC Degraded Video Quality](https://community.wowza.com/t/webrtc-degraded-video-quality/48406)
**Author:** [@Aaron\_Boushley](https://community.wowza.com/u/Aaron_Boushley)\ **Replies:** 4\ **Last updated:** [January 23, 2018, 11:20pm UTC](https://community.wowza.com/t/webrtc-degraded-video-quality/48406 "2018-01-23T23:20:17Z")
I’m having issues with the quality of the WebRTC stream that is sent to our browsers. In my setup Wowza is receiving a stream over SRTP and then making that stream available for users over WebRTC. The quality of the str… --- ## [​What is the username for the loadbalanceinfo](https://community.wowza.com/t/what-is-the-username-for-the-loadbalanceinfo/50633)
**Author:** [@Christian\_San\_Juan](https://community.wowza.com/u/Christian_San_Juan)\ **Replies:** 0\ **Last updated:** [January 23, 2018, 7:42am UTC](https://community.wowza.com/t/what-is-the-username-for-the-loadbalanceinfo/50633 "2018-01-23T07:42:21Z")
What is the username for the loadbalanceinfo when I try to open http://localhost:1935/loadbalancerInfo ? I tried using my Engine Manager password but it doesn’t work (admin.password). --- ## [WebRTC - Firefox ICE failed issue](https://community.wowza.com/t/webrtc-firefox-ice-failed-issue/50631)
**Author:** [@Cody\_Uptain2](https://community.wowza.com/u/Cody_Uptain2)\ **Replies:** 0\ **Last updated:** [January 22, 2018, 5:22pm UTC](https://community.wowza.com/t/webrtc-firefox-ice-failed-issue/50631 "2018-01-22T17:22:01Z")
I’m running the latest version of Wowza Streaming Engine on AWS. WebRTC is working fine except for in Firefox I receive the ICE failed error and don’t recieive audio or video. What could this be? I’ve seen others on her… --- ## [About Rtmp in .Net MVC](https://community.wowza.com/t/about-rtmp-in-net-mvc/50628)
**Author:** [@cihan\_kocaturk](https://community.wowza.com/u/cihan_kocaturk)\ **Replies:** 0\ **Last updated:** [January 22, 2018, 12:35pm UTC](https://community.wowza.com/t/about-rtmp-in-net-mvc/50628 "2018-01-22T12:35:29Z")
Hi everyone, I am new around here and since I am a junior developer I don’t know much about rest-Api. My question is about Rtmp. I need to create a publisher,get the publisher lists, and created rtmp information. I sea… --- ## [Can't use my SSL certifica to stream on a HTTPS page](https://community.wowza.com/t/cant-use-my-ssl-certifica-to-stream-on-a-https-page/50614)
**Author:** [@Maxim\_Stratan](https://community.wowza.com/u/Maxim_Stratan)\ **Replies:** 1\ **Last updated:** [January 21, 2018, 4:54pm UTC](https://community.wowza.com/t/cant-use-my-ssl-certifica-to-stream-on-a-https-page/50614 "2018-01-21T16:54:59Z")
I’am using wowza player to stream from my wowza streaming engine. I switched my website to https and now I need to conifgure wowza with an ssl encription to make the things work out. I’ve folowwed a tutorial and installe… --- ## [How to save stream to HDFS?](https://community.wowza.com/t/how-to-save-stream-to-hdfs/50618)
**Author:** [@Luis\_Molina\_Martinez](https://community.wowza.com/u/Luis_Molina_Martinez)\ **Replies:** 1\ **Last updated:** [January 21, 2018, 4:50pm UTC](https://community.wowza.com/t/how-to-save-stream-to-hdfs/50618 "2018-01-21T16:50:23Z")
Hi, anybody knows how to save the stream to HDFS? I mean, I want to save the video to hadoop file system. [Previous page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=101) [Next page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=103)