# Wowza Streaming Engine **URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=95 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 96 --- ## [How to achieve Source Authentication Using certification for each source device?](https://community.wowza.com/t/how-to-achieve-source-authentication-using-certification-for-each-source-device/51292)
**Author:** [@vishal\_modi](https://community.wowza.com/u/vishal_modi)\ **Replies:** 0\ **Last updated:** [May 10, 2018, 5:01pm UTC](https://community.wowza.com/t/how-to-achieve-source-authentication-using-certification-for-each-source-device/51292 "2018-05-10T17:01:43Z")
I am looking for a solution which enables source authentication. Having N different devices, want to authenticate those devices individually? Having certificate , pub key ,private key for each devices. Is it possible … --- ## [Wowza Record Stop after time n](https://community.wowza.com/t/wowza-record-stop-after-time-n/51293)
**Author:** [@123456aB\_123456aB](https://community.wowza.com/u/123456aB_123456aB)\ **Replies:** 0\ **Last updated:** [May 10, 2018, 1:31pm UTC](https://community.wowza.com/t/wowza-record-stop-after-time-n/51293 "2018-05-10T13:31:32Z")
How can we recognize this function? For example, we have 3 vars where saving time in hours. Example: 3 hours in the first var. Ok It tells wowza that after starting wowza burns stop this line after 3 hours! Not break up!… --- ## [setup 2 incoming live stream on a single WOWZA server](https://community.wowza.com/t/setup-2-incoming-live-stream-on-a-single-wowza-server/51275)
**Author:** [@Edward\_Yuen](https://community.wowza.com/u/Edward_Yuen)\ **Replies:** 0\ **Last updated:** [May 9, 2018, 4:23pm UTC](https://community.wowza.com/t/setup-2-incoming-live-stream-on-a-single-wowza-server/51275 "2018-05-09T16:23:28Z")
We want to set up 2 incoming RTMP Live stream(2 IP RTMP source) on a single WOWZA server. And output multi-bitrate RTMP streams to clients. Would anyone got that procedure how to do it ? --- ## [Edge/origin VOD](https://community.wowza.com/t/edge-origin-vod/36767)
**Author:** [@German\_Milano](https://community.wowza.com/u/German_Milano)\ **Replies:** 2\ **Last updated:** [May 9, 2018, 8:56am UTC](https://community.wowza.com/t/edge-origin-vod/36767 "2018-05-09T08:56:55Z")
Hi, I want to know if it’s possible to set an edge/origin configuration for VOD, so the clients ask for the VOD files to the edge only. I’ve read somewhere in the forum about an add-on called Media Cache… is that what … --- ## [WebRTC duplicate streams](https://community.wowza.com/t/webrtc-duplicate-streams/51267)
**Author:** [@Brent\_Franks](https://community.wowza.com/u/Brent_Franks)\ **Replies:** 0\ **Last updated:** [May 7, 2018, 4:59pm UTC](https://community.wowza.com/t/webrtc-duplicate-streams/51267 "2018-05-07T16:59:01Z")
I am trying to publish audio stream using WebRTC. I assume that if I publish stream from any other source with the same name it should be rejected. And wowza somehow behaves like it. But, there is one can case where I am… --- ## [How to playback hls url in Android application](https://community.wowza.com/t/how-to-playback-hls-url-in-android-application/51265)
**Author:** [@kiran\_nanda](https://community.wowza.com/u/kiran_nanda)\ **Replies:** 0\ **Last updated:** [May 7, 2018, 7:17am UTC](https://community.wowza.com/t/how-to-playback-hls-url-in-android-application/51265 "2018-05-07T07:17:14Z")
I had tried to implement Wowza player to playback but I am getting error 48.Is there any another way to play video on my android application. --- ## ["enhanced" seekTarget and Caption Selection](https://community.wowza.com/t/enhanced-seektarget-and-caption-selection/51259)
**Author:** [@Ory\_Drilon1](https://community.wowza.com/u/Ory_Drilon1)\ **Replies:** 0\ **Last updated:** [May 7, 2018, 4:52am UTC](https://community.wowza.com/t/enhanced-seektarget-and-caption-selection/51259 "2018-05-07T04:52:01Z")
Our (very) old version of Wowza (pre 4.x) has a bug where setting seekTarget to “enhanced” interferes with the caption selection in files with multiple subtitle streams. After checking the public changelog since then, I… --- ## [PIP two live video streams](https://community.wowza.com/t/pip-two-live-video-streams/607)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 9\ **Last updated:** [May 5, 2018, 5:07pm UTC](https://community.wowza.com/t/pip-two-live-video-streams/607 "2018-05-05T17:07:35Z")
I hope this is not too off topic. I’m looking for ways to implement PIP (Picture-In-Picture) feature in a live streaming application. Let’s say I’ve two live streams, A & B. I think there’re two possible approaches: F… --- ## [Play facebook live stream with RTSP device](https://community.wowza.com/t/play-facebook-live-stream-with-rtsp-device/51257)
**Author:** [@Alexis\_Brehain](https://community.wowza.com/u/Alexis_Brehain)\ **Replies:** 0\ **Last updated:** [May 3, 2018, 3:36pm UTC](https://community.wowza.com/t/play-facebook-live-stream-with-rtsp-device/51257 "2018-05-03T15:36:13Z")
Hi, Could you convert a facebook live stream (I don’t know the protocol) to a RTSP stream I can play on my android device ? Thank you in advance Alexis --- ## [wowza + live + ffmpeg + hls player, how to create the playlist.m3u8?](https://community.wowza.com/t/wowza-live-ffmpeg-hls-player-how-to-create-the-playlist-m3u8/51251)
**Author:** [@Ziv\_Barber](https://community.wowza.com/u/Ziv_Barber)\ **Replies:** 0\ **Last updated:** [May 3, 2018, 3:36pm UTC](https://community.wowza.com/t/wowza-live-ffmpeg-hls-player-how-to-create-the-playlist-m3u8/51251 "2018-05-03T15:36:01Z")
I’m trying to setup a wowza live test server and then I can play hls from my mobile app. It do work without any problem for vod. I can play it in my app. I can also see the .m3p8 file if I enter this uri in the browser. … --- ## [How to play a stream in Wowza player in android?](https://community.wowza.com/t/how-to-play-a-stream-in-wowza-player-in-android/51205)
**Author:** [@sathya\_priya](https://community.wowza.com/u/sathya_priya)\ **Replies:** 2\ **Last updated:** [May 3, 2018, 3:35pm UTC](https://community.wowza.com/t/how-to-play-a-stream-in-wowza-player-in-android/51205 "2018-05-03T15:35:54Z")
Audio working fine but video not showing. it shows black and blank screen --- ## [ffmpeg transcode MP4 from WowzaStreamRecorder error](https://community.wowza.com/t/ffmpeg-transcode-mp4-from-wowzastreamrecorder-error/51250)
**Author:** [@Developer\_Bluefinix](https://community.wowza.com/u/Developer_Bluefinix)\ **Replies:** 0\ **Last updated:** [May 3, 2018, 3:35pm UTC](https://community.wowza.com/t/ffmpeg-transcode-mp4-from-wowzastreamrecorder-error/51250 "2018-05-03T15:35:47Z")
Hello My project need to store the recorded stream within Google Cloud Storage (1st bucket) and then transcode again to normalize them to the format we need (2nd bucket). The first path is fine. Recorded files is uploa… --- ## [Host address : the connection attempt was rejected !](https://community.wowza.com/t/host-address-the-connection-attempt-was-rejected/48645)
**Author:** [@yassine\_kharraz](https://community.wowza.com/u/yassine_kharraz)\ **Replies:** 6\ **Last updated:** [May 3, 2018, 3:35pm UTC](https://community.wowza.com/t/host-address-the-connection-attempt-was-rejected/48645 "2018-05-03T15:35:28Z")
Hi Wowza Team , I created an application on android using the Wowza SDK Android version . I am using the wowza streaming cloud. I got this host address : rtsp://a6b233.entrypoint.cloud.wowza.com/app-d2e1 (35.156.247.10… --- ## [License Swap Procedure (Wowza Streaming Engine)](https://community.wowza.com/t/license-swap-procedure-wowza-streaming-engine/51242)
**Author:** [@Erich\_Tesky](https://community.wowza.com/u/Erich_Tesky)\ **Replies:** 0\ **Last updated:** [May 3, 2018, 4:57am UTC](https://community.wowza.com/t/license-swap-procedure-wowza-streaming-engine/51242 "2018-05-03T04:57:11Z")
We are attempting to flesh out a new production server using a dev license. Is it possible to temporarily swap the license between the two servers during a service windows , and or do you have a procedure for this ?? --- ## [Ubuntu 18.04](https://community.wowza.com/t/ubuntu-18-04/51230)
**Author:** [@Egbert\_Williams](https://community.wowza.com/u/Egbert_Williams)\ **Replies:** 4\ **Last updated:** [May 2, 2018, 11:10pm UTC](https://community.wowza.com/t/ubuntu-18-04/51230 "2018-05-02T23:10:14Z")
Has anyone found issues with the wowza streaming engine after updating to Ubuntu 18.04 lts --- ## [max drop time overrun](https://community.wowza.com/t/max-drop-time-overrun/51245)
**Author:** [@Francesc\_Santanach](https://community.wowza.com/u/Francesc_Santanach)\ **Replies:** 1\ **Last updated:** [May 2, 2018, 9:28pm UTC](https://community.wowza.com/t/max-drop-time-overrun/51245 "2018-05-02T21:28:46Z")
Hi! we are using Flash application to record Streams and sometimes we get errors like “max drop time overrun” wowza RecordReceiver.commitDoTrim: skipKeyFrameIfNoAudio failed, max drop time overrun: dropTime:4892 skipKey… --- ## [Limitations for the Development license](https://community.wowza.com/t/limitations-for-the-development-license/51241)
**Author:** [@Erich\_Tesky](https://community.wowza.com/u/Erich_Tesky)\ **Replies:** 1\ **Last updated:** [May 2, 2018, 9:09pm UTC](https://community.wowza.com/t/limitations-for-the-development-license/51241 "2018-05-02T21:09:25Z")
We noticed that we are unable to set up multiple applications for transcoding under our development server. Is this a limitation on the development/trial license? --- ## [Remove wowza watermark from thumbnail](https://community.wowza.com/t/remove-wowza-watermark-from-thumbnail/48194)
**Author:** [@Fernando\_Macho](https://community.wowza.com/u/Fernando_Macho)\ **Replies:** 2\ **Last updated:** [May 1, 2018, 4:11pm UTC](https://community.wowza.com/t/remove-wowza-watermark-from-thumbnail/48194 "2018-05-01T16:11:15Z")
I am using this method (it doesn’t require the transcoder) to get thumbnails from a live stream: https://www.wowza.com/docs/how-to-generate-thumbnail-images-of-live-streams But the images containing a wowza watermark i… --- ## [Change IP address?](https://community.wowza.com/t/change-ip-address/35009)
**Author:** [@Brian\_T](https://community.wowza.com/u/Brian_T)\ **Replies:** 5\ **Last updated:** [April 30, 2018, 8:56pm UTC](https://community.wowza.com/t/change-ip-address/35009 "2018-04-30T20:56:49Z")
I installed Wowza Streaming Engine on my AWS instance, and I have Lamp running on it and serving a web site. I only have 1 ip assigned to the EC2 instance at this time. When I look in the WSE admin, the IP it shows is n… --- ## [WebRTC on local network](https://community.wowza.com/t/webrtc-on-local-network/51231)
**Author:** [@Mihai\_Postelnicu](https://community.wowza.com/u/Mihai_Postelnicu)\ **Replies:** 0\ **Last updated:** [April 30, 2018, 6:29pm UTC](https://community.wowza.com/t/webrtc-on-local-network/51231 "2018-04-30T18:29:00Z")
I have a local network that doesn’t need to connect to the Internet. I have Wowza installed on a local server and I want to access a RTSP stream through WebRTC from within the network. I have everything set up ok (the pl… --- ## [Native HLS content streaming for VOD](https://community.wowza.com/t/native-hls-content-streaming-for-vod/50289)
**Author:** [@Neels\_Bester](https://community.wowza.com/u/Neels_Bester)\ **Replies:** 2\ **Last updated:** [April 28, 2018, 6:22pm UTC](https://community.wowza.com/t/native-hls-content-streaming-for-vod/50289 "2018-04-28T18:22:53Z")
Good Day Just installed our first WOWZA streaming engine. Is it possible to use the streaming engine to stream native HLS content - we already have a library of HLS content. Each piece of content has its own manifest f… --- ## [Wowza WebRTC no video but everything else seams ok](https://community.wowza.com/t/wowza-webrtc-no-video-but-everything-else-seams-ok/51227)
**Author:** [@Mihai\_Postelnicu](https://community.wowza.com/u/Mihai_Postelnicu)\ **Replies:** 0\ **Last updated:** [April 27, 2018, 6:08pm UTC](https://community.wowza.com/t/wowza-webrtc-no-video-but-everything-else-seams-ok/51227 "2018-04-27T18:08:12Z")
Hi, I’ve installed the WebRTC plugin and set everything up to connect to my RTSP camera and all looks fine but no video. Check out the console output: webrtc.js:28 cookieWSURL: wss://MYKEY.streamlock.net:9443/webrtc-s… --- ## [No Audio MPEG-TS UDP to TRANSCODE](https://community.wowza.com/t/no-audio-mpeg-ts-udp-to-transcode/51215)
**Author:** [@Jorge\_Nolla](https://community.wowza.com/u/Jorge_Nolla)\ **Replies:** 1\ **Last updated:** [April 27, 2018, 6:03pm UTC](https://community.wowza.com/t/no-audio-mpeg-ts-udp-to-transcode/51215 "2018-04-27T18:03:18Z")
I’ve trying to read through the many suggestions on how to get audio to publish from a live RTP stream, but have yet to figure this out. I’m using stream file with udp IP address and port, and using standard settings on … --- ## [PlayBack Delays in Desktop Clients](https://community.wowza.com/t/playback-delays-in-desktop-clients/51223)
**Author:** [@Divinder\_Singh](https://community.wowza.com/u/Divinder_Singh)\ **Replies:** 0\ **Last updated:** [April 27, 2018, 4:55pm UTC](https://community.wowza.com/t/playback-delays-in-desktop-clients/51223 "2018-04-27T16:55:02Z")
We have setup a new Wowza server on EC2 that has zero traffic going through it at the moment. We have configured a simple VOD playback application that takes its content from S3. We have configured SecureToken and have d… --- ## [setup a slave standby wowza engine server](https://community.wowza.com/t/setup-a-slave-standby-wowza-engine-server/51200)
**Author:** [@STEMI\_TW](https://community.wowza.com/u/STEMI_TW)\ **Replies:** 1\ **Last updated:** [April 27, 2018, 10:46am UTC](https://community.wowza.com/t/setup-a-slave-standby-wowza-engine-server/51200 "2018-04-27T10:46:57Z")
I have a perpetual wowza engine license (for a single power server). Now I want to setup a sandby (slave) server in case I need to shutdown the main current one (master) for maintenance or unexpected crash. per this gui… --- ## [Fps changed after upgrade](https://community.wowza.com/t/fps-changed-after-upgrade/51220)
**Author:** [@MittMedia\_MittMedia](https://community.wowza.com/u/MittMedia_MittMedia)\ **Replies:** 0\ **Last updated:** [April 27, 2018, 6:23am UTC](https://community.wowza.com/t/fps-changed-after-upgrade/51220 "2018-04-27T06:23:52Z")
Hello We have several applications in which I use streamrecording. A couple of weeks ago we upgraded to 4.7.5. Before the upgrade the fps in our recordings whas constantly 25. After the upgrade the fps can differ, for … --- ## [Please help me with secure token](https://community.wowza.com/t/please-help-me-with-secure-token/51214)
**Author:** [@Andres\_Lopezvictori1](https://community.wowza.com/u/Andres_Lopezvictori1)\ **Replies:** 0\ **Last updated:** [April 26, 2018, 10:56pm UTC](https://community.wowza.com/t/please-help-me-with-secure-token/51214 "2018-04-26T22:56:26Z")
hi, the token link expired in some minutes, but in my website the streaming goes offline afthet that time, I think it’s ok that the token link expired, but the streaming should be online anyway right? why the streaming i… --- ## [Wowza video recording sometimes generates a video "Could not find codec parameters for stream 0"](https://community.wowza.com/t/wowza-video-recording-sometimes-generates-a-video-could-not-find-codec-parameters-for-stream-0/51213)
**Author:** [@Francesc\_Santanach](https://community.wowza.com/u/Francesc_Santanach)\ **Replies:** 0\ **Last updated:** [April 26, 2018, 3:57pm UTC](https://community.wowza.com/t/wowza-video-recording-sometimes-generates-a-video-could-not-find-codec-parameters-for-stream-0/51213 "2018-04-26T15:57:08Z")
Hi! we are using the Videochat application https://www.wowza.com/resources/3.6.0/examples/VideoChat/FlashRTMPPlayer/player.html The most videos are recorded well but sometimes we get this kind of errors \[mov,mp4,m4a,3… --- ## [VLCPlayer/Streaming Engine - Improving latency to near real-time](https://community.wowza.com/t/vlcplayer-streaming-engine-improving-latency-to-near-real-time/51182)
**Author:** [@George\_Willaman](https://community.wowza.com/u/George_Willaman)\ **Replies:** 1\ **Last updated:** [April 26, 2018, 1:26pm UTC](https://community.wowza.com/t/vlcplayer-streaming-engine-improving-latency-to-near-real-time/51182 "2018-04-26T13:26:33Z")
Hi, I am using OBS to stream to a RTMP server (Streaming Engine), and from there I am using VLC (Swift) for playback of the livestream on my iOS app. I am running iOS 10.3.1 on my phone but was noticing that the stream… --- ## [How to play wowza stream url raspberry pi with vlc or omxplayer](https://community.wowza.com/t/how-to-play-wowza-stream-url-raspberry-pi-with-vlc-or-omxplayer/51202)
**Author:** [@henk\_hooijenga](https://community.wowza.com/u/henk_hooijenga)\ **Replies:** 2\ **Last updated:** [April 26, 2018, 1:14pm UTC](https://community.wowza.com/t/how-to-play-wowza-stream-url-raspberry-pi-with-vlc-or-omxplayer/51202 "2018-04-26T13:14:59Z")
my stream is : http://rrr.sz.xlcdn.com/?account=bdl&file=Zeearend1&type=live&service=wowza&output=mp4 i can load the stream in GUI vlc. ( gives some errors when starting , but stream ok ) how to use this url with vlc … [Previous page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=94) [Next page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=96)