# Wowza Streaming Engine

**URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=6

[Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md)

**Page:** 7

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## [QA: DRM with CMAF HLS](https://community.wowza.com/t/qa-drm-with-cmaf-hls/96924)

<div class="topic-metadata">

**Author:** [@Wendong\_Li](https://community.wowza.com/u/Wendong_Li)\
**Replies:** 0\
**Last updated:** [March 1, 2024, 3:47am UTC](https://community.wowza.com/t/qa-drm-with-cmaf-hls/96924 "2024-03-01T03:47:10Z")

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I’m a bit confused by the following statements from this doc: https://www.wowza.com/docs/about-cmaf-workflows-in-wowza-streaming-engine In addition, CMAF supports Common Encryption (CENC), which brings the encryption …

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## [Inconsistency in CMAF Configuration for Live Edge Applications in Wowza Streaming Engine](https://community.wowza.com/t/inconsistency-in-cmaf-configuration-for-live-edge-applications-in-wowza-streaming-engine/96922)

<div class="topic-metadata">

**Author:** [@Axel\_Gomez1](https://community.wowza.com/u/Axel_Gomez1)\
**Replies:** 0\
**Last updated:** [February 29, 2024, 8:10pm UTC](https://community.wowza.com/t/inconsistency-in-cmaf-configuration-for-live-edge-applications-in-wowza-streaming-engine/96922 "2024-02-29T20:10:32Z")

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I’ve encountered a potential bug in Wowza Streaming Engine version 4.8.26+4 (build 20231212155517) regarding the CMAF configuration for “Live Edge Applications.” When enabling CMAF through the Wowza Streaming Engine Man…

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## [Page not found: Stream Targets](https://community.wowza.com/t/page-not-found-stream-targets/94607)

<div class="topic-metadata">

**Author:** [@Fabrizio\_Ulisse](https://community.wowza.com/u/Fabrizio_Ulisse)\
**Replies:** 12\
**Last updated:** [February 22, 2024, 5:55pm UTC](https://community.wowza.com/t/page-not-found-stream-targets/94607 "2024-02-22T17:55:56Z")

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Hi, when clicking on Application \> live \> Stream Targets I get a 404 error Sorry there was an error getting to (applications/live/streamtargets/view.htm):

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## [SCTE-35 help information](https://community.wowza.com/t/scte-35-help-information/96876)

<div class="topic-metadata">

**Author:** [@LogicaHost\_Solucoes](https://community.wowza.com/u/LogicaHost_Solucoes)\
**Replies:** 2\
**Last updated:** [February 12, 2024, 7:20pm UTC](https://community.wowza.com/t/scte-35-help-information/96876 "2024-02-12T19:20:56Z")

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We have little information about SCTE-35, is there a ready-made plugin that I can use?

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## [Wowza high memory usage and stop working](https://community.wowza.com/t/wowza-high-memory-usage-and-stop-working/54527)

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**Author:** [@Hasan\_Hameed\_Alhusse](https://community.wowza.com/u/Hasan_Hameed_Alhusse)\
**Replies:** 9\
**Last updated:** [February 12, 2024, 6:22pm UTC](https://community.wowza.com/t/wowza-high-memory-usage-and-stop-working/54527 "2024-02-12T18:22:20Z")

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Hello, I have wowza 4.7.8 and Java Version 9.0.4 My JAVA setting is recommended: Java Heap Size Production level 10000 MB Java Garbage Collection Settings G1 (Garbage First) collector (recommended) -XX:+UseG1GC -XX…

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## [SNMP MIBs and Streams monitoring](https://community.wowza.com/t/snmp-mibs-and-streams-monitoring/96867)

<div class="topic-metadata">

**Author:** [@Federico\_Stango](https://community.wowza.com/u/Federico_Stango)\
**Replies:** 0\
**Last updated:** [February 7, 2024, 2:52pm UTC](https://community.wowza.com/t/snmp-mibs-and-streams-monitoring/96867 "2024-02-07T14:52:38Z")

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Hello guys, I am trying to integrate WowzaStreamingEngine into a monitoring tool and I assumed using SNMP would have been a working solution. I am, by the way, experiencing several issues and I am somehow stuck. Trying …

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## [Audio Streaming duration different Issue](https://community.wowza.com/t/audio-streaming-duration-different-issue/96859)

<div class="topic-metadata">

**Author:** [@b99d2353ab2497a8b1f0](https://community.wowza.com/u/b99d2353ab2497a8b1f0)\
**Replies:** 0\
**Last updated:** [February 5, 2024, 1:07am UTC](https://community.wowza.com/t/audio-streaming-duration-different-issue/96859 "2024-02-05T01:07:19Z")

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We are using Wowza Streaming Engine for previewing MP3 files. However, there is an approximately 3-second difference between the duration obtained from mediaInfo and the duration displayed after conversion, with the conv…

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## [Cmafstreamingpacketizer - dash stream is missing audio](https://community.wowza.com/t/cmafstreamingpacketizer-dash-stream-is-missing-audio/96836)

<div class="topic-metadata">

**Author:** [@c409e0d0af81f4a9b3e4](https://community.wowza.com/u/c409e0d0af81f4a9b3e4)\
**Replies:** 0\
**Last updated:** [January 26, 2024, 3:53pm UTC](https://community.wowza.com/t/cmafstreamingpacketizer-dash-stream-is-missing-audio/96836 "2024-01-26T15:53:27Z")

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Hi, I have configured a Wowza application to deliver HLS and DASH. My Applicaion.xml is below. I have a start-up stream pointing to this application. I can playout HLS and LL-HLS, the audio works fine, however dash man…

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## [Signe Sign on - wowza Streaming Engine](https://community.wowza.com/t/signe-sign-on-wowza-streaming-engine/96790)

<div class="topic-metadata">

**Author:** [@Goran\_Iliev](https://community.wowza.com/u/Goran_Iliev)\
**Replies:** 1\
**Last updated:** [January 26, 2024, 2:28am UTC](https://community.wowza.com/t/signe-sign-on-wowza-streaming-engine/96790 "2024-01-26T02:28:11Z")

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Is there a way to use Single Sign-On, when logging into Wowza Streaming Engine Manager? I would also like to know if it is possible to use 2FA. Thank you.

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## [REST API Issues](https://community.wowza.com/t/rest-api-issues/96818)

<div class="topic-metadata">

**Author:** [@Michael\_Doble](https://community.wowza.com/u/Michael_Doble)\
**Replies:** 2\
**Last updated:** [January 23, 2024, 2:03pm UTC](https://community.wowza.com/t/rest-api-issues/96818 "2024-01-23T14:03:42Z")

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I’m having issues with the REST API. Wowza Streaming Engine Manager shows 593 HLS connections for an application. However, when I try and get connection counts for individual streams within that application using the RES…

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## [Changing ip of WSE & Manager which runs on the same server](https://community.wowza.com/t/changing-ip-of-wse-manager-which-runs-on-the-same-server/96817)

<div class="topic-metadata">

**Author:** [@Goran\_Iliev](https://community.wowza.com/u/Goran_Iliev)\
**Replies:** 1\
**Last updated:** [January 19, 2024, 8:21pm UTC](https://community.wowza.com/t/changing-ip-of-wse-manager-which-runs-on-the-same-server/96817 "2024-01-19T20:21:52Z")

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I installed Wowza Stremaing Engine and Manager on the same phsical server. That server has the ip x.x.x.x. After completing the installation i want to put that serer in a differnet network with the ip y.y.y.y. Changing…

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## [IPWhiteListing: Access from a different IP possible even tho that IP is not in the IPWhiteList](https://community.wowza.com/t/ipwhitelisting-access-from-a-different-ip-possible-even-tho-that-ip-is-not-in-the-ipwhitelist/96811)

<div class="topic-metadata">

**Author:** [@Goran\_Iliev](https://community.wowza.com/u/Goran_Iliev)\
**Replies:** 1\
**Last updated:** [January 17, 2024, 12:23pm UTC](https://community.wowza.com/t/ipwhitelisting-access-from-a-different-ip-possible-even-tho-that-ip-is-not-in-the-ipwhitelist/96811 "2024-01-17T12:23:26Z")

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I set the ipwhitelist to the wowza streaming engine server ip, which is for example 192.168.2.2. If i try to connect to manager on the same system, i can connect to the GUI. That is good. But if I try to access the GUI…

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## [how to specify authentication parameters in url](https://community.wowza.com/t/how-to-specify-authentication-parameters-in-url/43308)

<div class="topic-metadata">

**Author:** [@choonfatt\_yong](https://community.wowza.com/u/choonfatt_yong)\
**Replies:** 3\
**Last updated:** [January 17, 2024, 12:16pm UTC](https://community.wowza.com/t/how-to-specify-authentication-parameters-in-url/43308 "2024-01-17T12:16:54Z")

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Hi all, How do we pecify the authentication parameters (username and password) for RTMP publishing in the url? The Wowza server is running on version 4.0.3.01. Thank you. Best Regards.

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## [\[OBS\] live streaming problem](https://community.wowza.com/t/obs-live-streaming-problem/41624)

<div class="topic-metadata">

**Author:** [@Alexander\_Ivanyuta](https://community.wowza.com/u/Alexander_Ivanyuta)\
**Replies:** 11\
**Last updated:** [January 10, 2024, 5:11am UTC](https://community.wowza.com/t/obs-live-streaming-problem/41624 "2024-01-10T05:11:54Z")

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When i start stream in obs i can see it in Incoming Streams in wowza, but test player tells me - “Source stream or file could not be found or access was denied”. As soon as i stop the stream, test players start to play v…

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## [Is it possible to accomplish speech recognition in live streaming using speech-to-text services from Google or Azure?](https://community.wowza.com/t/is-it-possible-to-accomplish-speech-recognition-in-live-streaming-using-speech-to-text-services-from-google-or-azure/96361)

<div class="topic-metadata">

**Author:** [@Spencer\_Lin2](https://community.wowza.com/u/Spencer_Lin2)\
**Replies:** 8\
**Last updated:** [January 9, 2024, 8:27pm UTC](https://community.wowza.com/t/is-it-possible-to-accomplish-speech-recognition-in-live-streaming-using-speech-to-text-services-from-google-or-azure/96361 "2024-01-09T20:27:59Z")

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Speech-to-text services from Google or Azure appears to support only from microphone and the file format as input stream. So,I’m curious about is there a way to acheive that?

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## [API SCTE-35 help](https://community.wowza.com/t/api-scte-35-help/96799)

<div class="topic-metadata">

**Author:** [@LogicaHost\_Solucoes](https://community.wowza.com/u/LogicaHost_Solucoes)\
**Replies:** 1\
**Last updated:** [January 9, 2024, 7:58pm UTC](https://community.wowza.com/t/api-scte-35-help/96799 "2024-01-09T19:58:16Z")

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Hello, I need help with SCTE-35, I need to place these markers. I had difficulties with the wowza documentation. Can anyone guide? I’m also willing to budget

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## [How to encrypt/secure secrets in properties](https://community.wowza.com/t/how-to-encrypt-secure-secrets-in-properties/96661)

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**Author:** [@Alok\_Kumar2](https://community.wowza.com/u/Alok_Kumar2)\
**Replies:** 1\
**Last updated:** [January 6, 2024, 4:32pm UTC](https://community.wowza.com/t/how-to-encrypt-secure-secrets-in-properties/96661 "2024-01-06T16:32:41Z")

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Hi, We extend Wowza using the JAVA API by creating custom modules. As you know, to read some inputs which are required for your business logic in the module, we create custom properties in the application.xml or VHost.x…

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## [Delay in Streaming](https://community.wowza.com/t/delay-in-streaming/96779)

<div class="topic-metadata">

**Author:** [@Dominic\_Chanderbhan2](https://community.wowza.com/u/Dominic_Chanderbhan2)\
**Replies:** 1\
**Last updated:** [January 6, 2024, 4:18pm UTC](https://community.wowza.com/t/delay-in-streaming/96779 "2024-01-06T16:18:32Z")

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“Hello Wowza community! :wave: I’m currently using Wowza Streaming Engine version 4.8.12.1 with CCTV cameras connected via RTSP links. I’m encountering issues with stream optimization and am looking for guidance on adjus…

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## [All HTTP2 requests dropped with GO\_AWAY frame being sent for connection message](https://community.wowza.com/t/all-http2-requests-dropped-with-go-away-frame-being-sent-for-connection-message/96773)

<div class="topic-metadata">

**Author:** [@Nguyen\_Ha](https://community.wowza.com/u/Nguyen_Ha)\
**Replies:** 0\
**Last updated:** [December 27, 2023, 8:36am UTC](https://community.wowza.com/t/all-http2-requests-dropped-with-go-away-frame-being-sent-for-connection-message/96773 "2023-12-27T08:36:32Z")

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Hi everyone, I’ve just played around with LL-HLS delivering with Wowza 4.8.26+4 following this post https://www.wowza.com/docs/deliver-apple-low-latency-hls-live-streams-using-wowza-streaming-engine , used couples of JS …

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## [nDVR PlaylistRequestDelegate has no effect](https://community.wowza.com/t/ndvr-playlistrequestdelegate-has-no-effect/96759)

<div class="topic-metadata">

**Author:** [@Jan\_RItonnale](https://community.wowza.com/u/Jan_RItonnale)\
**Replies:** 3\
**Last updated:** [December 20, 2023, 5:35pm UTC](https://community.wowza.com/t/ndvr-playlistrequestdelegate-has-no-effect/96759 "2023-12-20T17:35:29Z")

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Hi everybody, i would like to introduce a timeshif tot one of my streams. To check how and if that is possible, i have played around with the nDVR option and its PlaylistRequestDelegate option. However no matter what i…

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## [Recorded files get choppy playback](https://community.wowza.com/t/recorded-files-get-choppy-playback/96747)

<div class="topic-metadata">

**Author:** [@Nguyen\_Ha](https://community.wowza.com/u/Nguyen_Ha)\
**Replies:** 3\
**Last updated:** [December 17, 2023, 2:14pm UTC](https://community.wowza.com/t/recorded-files-get-choppy-playback/96747 "2023-12-17T14:14:15Z")

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Hello everyone, I’ve just installed the newest version 4.8.26+4 and tried to restream and record my IP cam stream (RTSP H265 / AAC). There is no sound in the HLS playback with VLC, codec info as below The recorded fi…

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## [Scaling / encoding](https://community.wowza.com/t/scaling-encoding/96457)

<div class="topic-metadata">

**Author:** [@Nicolas\_Vanhaute2](https://community.wowza.com/u/Nicolas_Vanhaute2)\
**Replies:** 2\
**Last updated:** [December 15, 2023, 10:44am UTC](https://community.wowza.com/t/scaling-encoding/96457 "2023-12-15T10:44:43Z")

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hi I would like to know how communtity does to scale wse ? I mean on my side I transcode in 4 lower resolution so that eats cpu/gpu so in the end I can manage only few incoming streams (less than 20). Maybe in doing tr…

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## [Wowza Streaming Engine on Apple Silicon](https://community.wowza.com/t/wowza-streaming-engine-on-apple-silicon/96717)

<div class="topic-metadata">

**Author:** [@Jonathan\_Stockley](https://community.wowza.com/u/Jonathan_Stockley)\
**Replies:** 0\
**Last updated:** [December 8, 2023, 8:12pm UTC](https://community.wowza.com/t/wowza-streaming-engine-on-apple-silicon/96717 "2023-12-08T20:12:52Z")

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Hi, We have been running WSE in production on Apple Mac minis since 2011 and it has worked really well for us. I have been testing with WSE 4.8.24 on a new Mac mini using Apple Silicon M2 and Rosetta 2. It is running …

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## [Help with starting and stopping Streaming Engine Service through http or https?](https://community.wowza.com/t/help-with-starting-and-stopping-streaming-engine-service-through-http-or-https/96698)

<div class="topic-metadata">

**Author:** [@Jim\_Lucas](https://community.wowza.com/u/Jim_Lucas)\
**Replies:** 0\
**Last updated:** [December 4, 2023, 7:45pm UTC](https://community.wowza.com/t/help-with-starting-and-stopping-streaming-engine-service-through-http-or-https/96698 "2023-12-04T19:45:39Z")

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Does anyone know if it possible to start Wowza Streaming Engine 4.8.25+2 service in Windows server from a http or https request? Possibly Put command?

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## [Hash generation using SecureToken version 2](https://community.wowza.com/t/hash-generation-using-securetoken-version-2/44011)

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**Author:** [@Regulus\_Paredes](https://community.wowza.com/u/Regulus_Paredes)\
**Replies:** 14\
**Last updated:** [December 2, 2023, 10:20am UTC](https://community.wowza.com/t/hash-generation-using-securetoken-version-2/44011 "2023-12-02T10:20:28Z")

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Hi to all, I just want to ask how to generate the securetoken hash on the https://www.wowza.com/docs/how-to-protect-streaming-using-securetoken-in-wowza-streaming-engine documentation (How to protect streaming using Sec…

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## [Wowza Streaming engine / rest api supports multiple outputs in multiple time intervals?](https://community.wowza.com/t/wowza-streaming-engine-rest-api-supports-multiple-outputs-in-multiple-time-intervals/96687)

<div class="topic-metadata">

**Author:** [@ae6c565f9ae67a1f163a](https://community.wowza.com/u/ae6c565f9ae67a1f163a)\
**Replies:** 0\
**Last updated:** [December 1, 2023, 12:45pm UTC](https://community.wowza.com/t/wowza-streaming-engine-rest-api-supports-multiple-outputs-in-multiple-time-intervals/96687 "2023-12-01T12:45:43Z")

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Hey, does wowza streaming engine supports multiple outputs in multiple timezones, can we create on the fly a new output from the same stream? Assuming that we start the stream and have a output at the time X, we wanted …

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## [onTextData to CEA-708 captions for Japanese char support](https://community.wowza.com/t/ontextdata-to-cea-708-captions-for-japanese-char-support/96564)

<div class="topic-metadata">

**Author:** [@Daniel\_Rossi1](https://community.wowza.com/u/Daniel_Rossi1)\
**Replies:** 3\
**Last updated:** [November 27, 2023, 9:25pm UTC](https://community.wowza.com/t/ontextdata-to-cea-708-captions-for-japanese-char-support/96564 "2023-11-27T21:25:10Z")

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There is a problem getting Japanese characters displaying in CEA-608 captions. Is there a way to convert CEA-608 to CEA-708 from onTextData to support japanese characters., Injecting these don’t display correctly. 初めての …

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## [MPEGH DASH streams have wrong aspect ratio for some formats (par and sar values are not as expected)](https://community.wowza.com/t/mpegh-dash-streams-have-wrong-aspect-ratio-for-some-formats-par-and-sar-values-are-not-as-expected/96672)

<div class="topic-metadata">

**Author:** [@Nicolas\_Bouget](https://community.wowza.com/u/Nicolas_Bouget)\
**Replies:** 0\
**Last updated:** [November 27, 2023, 5:17pm UTC](https://community.wowza.com/t/mpegh-dash-streams-have-wrong-aspect-ratio-for-some-formats-par-and-sar-values-are-not-as-expected/96672 "2023-11-27T17:17:08Z")

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Hello, We are integrated with Wowza 4.8.23+2 to produce streamable DASH streams from MP4 sources and recently we encountered an MP4 file that was not showing as expected. The video is expected to show with aspect ratio…

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## [Enabled wowza transcode how to implement in jw player](https://community.wowza.com/t/enabled-wowza-transcode-how-to-implement-in-jw-player/96663)

<div class="topic-metadata">

**Author:** [@47ebbb3c2c152b19baaa](https://community.wowza.com/u/47ebbb3c2c152b19baaa)\
**Replies:** 0\
**Last updated:** [November 22, 2023, 6:07pm UTC](https://community.wowza.com/t/enabled-wowza-transcode-how-to-implement-in-jw-player/96663 "2023-11-22T18:07:27Z")

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I set up wowza transcoding as per this information Transcoding Your Adaptive Bitrate Live Stream youtube .com/watch?v=E4YvKAFbmQc Now I have a jw palyer implemented in my application, so How can I use that further to …

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## [How can I keep the display of embedded live CEA-608 captions centered (vs left justified) in a YouTube stream target?](https://community.wowza.com/t/how-can-i-keep-the-display-of-embedded-live-cea-608-captions-centered-vs-left-justified-in-a-youtube-stream-target/96649)

<div class="topic-metadata">

**Author:** [@Bill\_Clark](https://community.wowza.com/u/Bill_Clark)\
**Replies:** 1\
**Last updated:** [November 20, 2023, 3:34pm UTC](https://community.wowza.com/t/how-can-i-keep-the-display-of-embedded-live-cea-608-captions-centered-vs-left-justified-in-a-youtube-stream-target/96649 "2023-11-20T15:34:20Z")

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Issue: In youtube, most of the live captions are centered at the bottom of the player, but some are left justified. It occurs more often with shorter caption segments, but that is not true of all of the left justified …

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