# Wowza Developer Dojo

**URL:** https://community.wowza.com/c/wowza-developer-dojo/10.md?page=10

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

**Page:** 11

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## [smil and log4](https://community.wowza.com/t/smil-and-log4/51072)

<div class="topic-metadata">

**Author:** [@Dav\_Gomes](https://community.wowza.com/u/Dav_Gomes)\
**Replies:** 3\
**Last updated:** [April 30, 2018, 2:17pm UTC](https://community.wowza.com/t/smil-and-log4/51072 "2018-04-30T14:17:03Z")

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Hello, I wanted to differentiate between xxx\_480p and xxx\_780p flows, in the file stats we logs just the information xxx.smil, I would like to know the debit, between each stream I hop you undertand Best regards

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## [Add live stream or VOD programatically](https://community.wowza.com/t/add-live-stream-or-vod-programatically/43190)

<div class="topic-metadata">

**Author:** [@Dnyanesh\_Gate](https://community.wowza.com/u/Dnyanesh_Gate)\
**Replies:** 2\
**Last updated:** [April 28, 2018, 12:21pm UTC](https://community.wowza.com/t/add-live-stream-or-vod-programatically/43190 "2018-04-28T12:21:23Z")

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I am using wowza streaming engine to re-stream files and live stream. But I did this maually using web UI. How can I do this programatically? Is there any SDK provided by wowza? Can I use wowza as a library? If yes, how …

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## [how to connect streaming to a queue system like Kafka or Kinesis to process in real time](https://community.wowza.com/t/how-to-connect-streaming-to-a-queue-system-like-kafka-or-kinesis-to-process-in-real-time/50543)

<div class="topic-metadata">

**Author:** [@Luis\_Molina\_Martinez](https://community.wowza.com/u/Luis_Molina_Martinez)\
**Replies:** 2\
**Last updated:** [April 25, 2018, 6:13am UTC](https://community.wowza.com/t/how-to-connect-streaming-to-a-queue-system-like-kafka-or-kinesis-to-process-in-real-time/50543 "2018-04-25T06:13:38Z")

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Hi, I want to use Wowza server to collect video from different sources and analyze it with Big data tools like Spark Streaming and AWS Kinesis do you have worked with wowza and Big Data, any use case? any documentation?

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## [How to upload recorded audio to google cloud platform?](https://community.wowza.com/t/how-to-upload-recorded-audio-to-google-cloud-platform/51167)

<div class="topic-metadata">

**Author:** [@Sanjana\_Mane](https://community.wowza.com/u/Sanjana_Mane)\
**Replies:** 0\
**Last updated:** [April 20, 2018, 9:06am UTC](https://community.wowza.com/t/how-to-upload-recorded-audio-to-google-cloud-platform/51167 "2018-04-20T09:06:37Z")

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I found https://www.wowza.com/docs/how-to-upload-recorded-media-to-an-amazon-s3-bucket-modules3upload to upload recorded media to amazon s3 bucket but I want to modify it to upload to google cloud storage bucket. How can…

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## [URL to player\_logo\_image](https://community.wowza.com/t/url-to-player-logo-image/51138)

<div class="topic-metadata">

**Author:** [@And\_Har](https://community.wowza.com/u/And_Har)\
**Replies:** 1\
**Last updated:** [April 19, 2018, 1:50pm UTC](https://community.wowza.com/t/url-to-player-logo-image/51138 "2018-04-19T13:50:24Z")

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I’m creating a stream with the Rest API and it works fine. Until I try to set a player\_logo\_image, then it gives a 422 error about validation and “Can’t upload image…” I try both to link to an uploaded image: “player\_l…

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## [Use REST API with password](https://community.wowza.com/t/use-rest-api-with-password/49598)

<div class="topic-metadata">

**Author:** [@Robert\_Hole](https://community.wowza.com/u/Robert_Hole)\
**Replies:** 5\
**Last updated:** [April 19, 2018, 10:27am UTC](https://community.wowza.com/t/use-rest-api-with-password/49598 "2018-04-19T10:27:17Z")

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I’m using REST api to perform some actions from my application. In order to use the api it’s necessary to “Locate the property and specify none”, but I’m interested in the use of the password for access to the wowza man…

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## [Metadata from a live Shoutcast stream](https://community.wowza.com/t/metadata-from-a-live-shoutcast-stream/450)

<div class="topic-metadata">

**Author:** [@system](https://community.wowza.com/u/system)\
**Replies:** 12\
**Last updated:** [April 15, 2018, 8:01pm UTC](https://community.wowza.com/t/metadata-from-a-live-shoutcast-stream/450 "2018-04-15T20:01:58Z")

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I currently have a 24/7 live Shoutcast feed I’m passing to Wowza to go to Flash, iPhone, and Android. Is it possible for a module of mine to be notified when the metadata changes? It seems that the IMediaStreamActionNoti…

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## [How do i montage several live streams into one?](https://community.wowza.com/t/how-do-i-montage-several-live-streams-into-one/51078)

<div class="topic-metadata">

**Author:** [@Aleksandr\_Novikov](https://community.wowza.com/u/Aleksandr_Novikov)\
**Replies:** 1\
**Last updated:** [April 13, 2018, 2:13am UTC](https://community.wowza.com/t/how-do-i-montage-several-live-streams-into-one/51078 "2018-04-13T02:13:25Z")

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Hi! Is there any intro on the API programming (will be probably Java) i need to achieve following: several streams are ingested (through WebRTC from a web page, these will be a screen sharing stream from desktop and sev…

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## [How to use ModuleStreamControl using JAVA player](https://community.wowza.com/t/how-to-use-modulestreamcontrol-using-java-player/51112)

<div class="topic-metadata">

**Author:** [@Sachin\_Gupta1](https://community.wowza.com/u/Sachin_Gupta1)\
**Replies:** 1\
**Last updated:** [April 13, 2018, 2:10am UTC](https://community.wowza.com/t/how-to-use-modulestreamcontrol-using-java-player/51112 "2018-04-13T02:10:05Z")

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Hello I have followed following tutorial to create dynamic playlist on the fly: https://www.wowza.com/docs/how-to-control-stream-class-streams-dynamically-modulestreamcontrol But since it provides its support only for …

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## [shoutcast song](https://community.wowza.com/t/shoutcast-song/51051)

<div class="topic-metadata">

**Author:** [@ceyhun\_ceyhun](https://community.wowza.com/u/ceyhun_ceyhun)\
**Replies:** 2\
**Last updated:** [April 3, 2018, 10:46pm UTC](https://community.wowza.com/t/shoutcast-song/51051 "2018-04-03T22:46:08Z")

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Hi i need to inject shoutcast song name information to metadata of hls radio stream (dynamicly) How can i do that, or which module can i use ?

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## [How to Enable nDVR with REST API or JAVA](https://community.wowza.com/t/how-to-enable-ndvr-with-rest-api-or-java/51036)

<div class="topic-metadata">

**Author:** [@ESTEP\_COMPANY](https://community.wowza.com/u/ESTEP_COMPANY)\
**Replies:** 1\
**Last updated:** [April 2, 2018, 9:27pm UTC](https://community.wowza.com/t/how-to-enable-ndvr-with-rest-api-or-java/51036 "2018-04-02T21:27:55Z")

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Hi, I’m trying to enable/disable nDVR with REST Api like as follows; REST Api returns success but nDVR is not enabled or disabled. I dont know where have I made mistakes. Anyone can help me please? http://localhost:80…

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## [invoke(onHTTPSessionCreate): java.lang.reflect.InvocationTargetException|](https://community.wowza.com/t/invoke-onhttpsessioncreate-java-lang-reflect-invocationtargetexception/38026)

<div class="topic-metadata">

**Author:** [@Alexey\_Zaberezhniy](https://community.wowza.com/u/Alexey_Zaberezhniy)\
**Replies:** 4\
**Last updated:** [March 27, 2018, 12:49pm UTC](https://community.wowza.com/t/invoke-onhttpsessioncreate-java-lang-reflect-invocationtargetexception/38026 "2018-03-27T12:49:54Z")

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Hi I write custom module for restrict access for http sessions In log i have many errors like this invoke(onHTTPSessionCreate): java.lang.reflect.InvocationTargetException| at sun.reflect.GeneratedMethodAccessor8.invo…

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## [how get vod file list ?](https://community.wowza.com/t/how-get-vod-file-list/51035)

<div class="topic-metadata">

**Author:** [@KyuBeom\_Han](https://community.wowza.com/u/KyuBeom_Han)\
**Replies:** 0\
**Last updated:** [March 27, 2018, 9:25am UTC](https://community.wowza.com/t/how-get-vod-file-list/51035 "2018-03-27T09:25:29Z")

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Importing ndvr list was successful. However, the actual stored vod file and list are different … T.T I want to import saved VOD List using REST API. What should I do?

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## [Trying to add dynamic overlays using REST API , but not reflecting changes in live Stream.](https://community.wowza.com/t/trying-to-add-dynamic-overlays-using-rest-api-but-not-reflecting-changes-in-live-stream/51016)

<div class="topic-metadata">

**Author:** [@Varun\_Sermal](https://community.wowza.com/u/Varun_Sermal)\
**Replies:** 0\
**Last updated:** [March 25, 2018, 5:02pm UTC](https://community.wowza.com/t/trying-to-add-dynamic-overlays-using-rest-api-but-not-reflecting-changes-in-live-stream/51016 "2018-03-25T17:02:17Z")

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I am trying to create dynamic overlays on a live Stream. I am unable to find any tutorial. I tried to use REST API but that doesn’t reflect changes in runtime. I went through OverlaysExample Java code but I have no clues…

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## [Trying to create dynamic overlays using JAVA and Angukar-js](https://community.wowza.com/t/trying-to-create-dynamic-overlays-using-java-and-angukar-js/51017)

<div class="topic-metadata">

**Author:** [@Varun\_Sermal](https://community.wowza.com/u/Varun_Sermal)\
**Replies:** 0\
**Last updated:** [March 25, 2018, 5:02pm UTC](https://community.wowza.com/t/trying-to-create-dynamic-overlays-using-java-and-angukar-js/51017 "2018-03-25T17:02:15Z")

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I am trying to create dynamic overlays on a live Stream. I am unable to find any tutorial. I tried to use REST API but that doesn’t reflect changes in runtime. I went through OverlaysExample Java code but I have no clues…

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## [I hope add notifier for connected RTMP live stream from GoCoder](https://community.wowza.com/t/i-hope-add-notifier-for-connected-rtmp-live-stream-from-gocoder/50992)

<div class="topic-metadata">

**Author:** [@Daehee\_Won](https://community.wowza.com/u/Daehee_Won)\
**Replies:** 0\
**Last updated:** [March 22, 2018, 4:57pm UTC](https://community.wowza.com/t/i-hope-add-notifier-for-connected-rtmp-live-stream-from-gocoder/50992 "2018-03-22T16:57:52Z")

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Hi. I was installed wowza streaming engine(developer license) inside docker container. And wrote java code exactly same with this page https://www.wowza.com/docs/how-to-use-imediastreamactionnotify3-interface-to-listen…

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## [Unable to make XHR call in wowza streaming engine](https://community.wowza.com/t/unable-to-make-xhr-call-in-wowza-streaming-engine/50991)

<div class="topic-metadata">

**Author:** [@ajit\_soman](https://community.wowza.com/u/ajit_soman)\
**Replies:** 0\
**Last updated:** [March 22, 2018, 4:57pm UTC](https://community.wowza.com/t/unable-to-make-xhr-call-in-wowza-streaming-engine/50991 "2018-03-22T16:57:43Z")

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My goal is to add facebook stream target in wowza application via node js application. I have got facebook ENC-XXXX token and destination Id using this I am making a http call to wowza application from my node js applica…

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## [Can't update Trancoder configuration via RESTful API](https://community.wowza.com/t/cant-update-trancoder-configuration-via-restful-api/50934)

<div class="topic-metadata">

**Author:** [@Leo\_Chun](https://community.wowza.com/u/Leo_Chun)\
**Replies:** 2\
**Last updated:** [March 21, 2018, 7:35am UTC](https://community.wowza.com/t/cant-update-trancoder-configuration-via-restful-api/50934 "2018-03-21T07:35:25Z")

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I’ve used this api follow to documentation which is updating configuration of Transcoder on some application. I want to change my options through the REST-API then it should be changed on my dashboard as like below: Tr…

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## [REST API doc error: Can't read from server.](https://community.wowza.com/t/rest-api-doc-error-cant-read-from-server/46786)

<div class="topic-metadata">

**Author:** [@Trung\_Vo](https://community.wowza.com/u/Trung_Vo)\
**Replies:** 8\
**Last updated:** [March 16, 2018, 7:34pm UTC](https://community.wowza.com/t/rest-api-doc-error-cant-read-from-server/46786 "2018-03-16T19:34:58Z")

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I install as below tutorial: https://www.wowza.com/docs/how-to-access-documentation-for-wowza-streaming-engine-rest-api I extract and open index.html in folder RESTAPIDocumentationWebpage, it shows: Can’t read from se…

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## [stop publishing live stream server side](https://community.wowza.com/t/stop-publishing-live-stream-server-side/50386)

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**Author:** [@Gabriel\_Troisgros](https://community.wowza.com/u/Gabriel_Troisgros)\
**Replies:** 4\
**Last updated:** [March 16, 2018, 6:38am UTC](https://community.wowza.com/t/stop-publishing-live-stream-server-side/50386 "2018-03-16T06:38:20Z")

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still having issues with the rest api…im trying to stop publishing server side a live stream. if i make a call like: http://xxx.xxx.com:8087/v2/servers/\_defaultServer\_/vhosts/\_defaultVHost\_/applications/wcs/instances/1…

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## [Can I edit application properties using the REST API?](https://community.wowza.com/t/can-i-edit-application-properties-using-the-rest-api/42733)

<div class="topic-metadata">

**Author:** [@system](https://community.wowza.com/u/system)\
**Replies:** 5\
**Last updated:** [March 15, 2018, 2:04am UTC](https://community.wowza.com/t/can-i-edit-application-properties-using-the-rest-api/42733 "2018-03-15T02:04:44Z")

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Hi, I’d like to alter some application properties that are in the section of the Application.xml using the REST API. Is that possible? Thanks!

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## [Module class not found or could not be loaded](https://community.wowza.com/t/module-class-not-found-or-could-not-be-loaded/47547)

<div class="topic-metadata">

**Author:** [@You-Ze\_Lee](https://community.wowza.com/u/You-Ze_Lee)\
**Replies:** 3\
**Last updated:** [March 15, 2018, 12:50am UTC](https://community.wowza.com/t/module-class-not-found-or-could-not-be-loaded/47547 "2018-03-15T00:50:55Z")

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I have try wowza module, but i have one question. That is why I can’t use my custom module. I have already add .jar to lib folder and add the config to the \[Wowza\]/conf/\[Application\]/Application.xml file. And I have be…

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## [How can i publish a stream to an other application?](https://community.wowza.com/t/how-can-i-publish-a-stream-to-an-other-application/50812)

<div class="topic-metadata">

**Author:** [@Jens\_Kruppa](https://community.wowza.com/u/Jens_Kruppa)\
**Replies:** 1\
**Last updated:** [February 25, 2018, 4:36pm UTC](https://community.wowza.com/t/how-can-i-publish-a-stream-to-an-other-application/50812 "2018-02-25T16:36:49Z")

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I want to publish a stream from my application ‘test’ to an other application ‘copytest’. I tried the following code, i could play the stream from ‘copytest’, but it was no video and no audio. IVHost vhost =…

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## [Live End Restart Wowza Player JS](https://community.wowza.com/t/live-end-restart-wowza-player-js/50688)

<div class="topic-metadata">

**Author:** [@Francis\_AZZARELLO](https://community.wowza.com/u/Francis_AZZARELLO)\
**Replies:** 0\
**Last updated:** [February 2, 2018, 4:27pm UTC](https://community.wowza.com/t/live-end-restart-wowza-player-js/50688 "2018-02-02T16:27:30Z")

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How to show the play/retry button after the end of live ? if live is online -\> offline -\> online, impossible to play the second part without refreshing the page Thank you

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## [Disable DVR access for http client](https://community.wowza.com/t/disable-dvr-access-for-http-client/50681)

<div class="topic-metadata">

**Author:** [@Michak\_Kasak](https://community.wowza.com/u/Michak_Kasak)\
**Replies:** 0\
**Last updated:** [February 2, 2018, 5:12am UTC](https://community.wowza.com/t/disable-dvr-access-for-http-client/50681 "2018-02-02T05:12:21Z")

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Hi, How can i disable access to DVR for http client with using java api. I was looking for something in the documentation ( API ) but it seems to me that there is nothing here that could help

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## [Player Not Working on Safari and Android Device](https://community.wowza.com/t/player-not-working-on-safari-and-android-device/50656)

<div class="topic-metadata">

**Author:** [@Media\_Ela](https://community.wowza.com/u/Media_Ela)\
**Replies:** 1\
**Last updated:** [January 27, 2018, 4:54pm UTC](https://community.wowza.com/t/player-not-working-on-safari-and-android-device/50656 "2018-01-27T16:54:12Z")

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Hi everyone, I’m using wowza for the radio site. I have a big problem with wowza js player. My integration is here; \<div id="playerElement" style="width:640px; height:100px; padding:0; display: none;"\>\</div\> \<script t…

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## [Wowza Server HLS playlist manipulation](https://community.wowza.com/t/wowza-server-hls-playlist-manipulation/50657)

<div class="topic-metadata">

**Author:** [@Iulian\_Ionescu](https://community.wowza.com/u/Iulian_Ionescu)\
**Replies:** 0\
**Last updated:** [January 27, 2018, 12:15pm UTC](https://community.wowza.com/t/wowza-server-hls-playlist-manipulation/50657 "2018-01-27T12:15:25Z")

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Hello, I began by reasearching the API and documentation in order to figure out a way to do the following two things: Add a custom header to an HLS chunklist that will contain all the information needed by the player…

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## [How to connect  to another wowza or ams instance](https://community.wowza.com/t/how-to-connect-to-another-wowza-or-ams-instance/50640)

<div class="topic-metadata">

**Author:** [@dmi\_imm](https://community.wowza.com/u/dmi_imm)\
**Replies:** 0\
**Last updated:** [January 23, 2018, 2:03pm UTC](https://community.wowza.com/t/how-to-connect-to-another-wowza-or-ams-instance/50640 "2018-01-23T14:03:40Z")

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We need to connect to AMS server from wowza HTTProvider, as a client. How can we do that? We need to do ‘call’,‘onDisconnect’ and etc methods

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## [Generating thumbnails for live streams](https://community.wowza.com/t/generating-thumbnails-for-live-streams/35235)

<div class="topic-metadata">

**Author:** [@Ahmed\_Ahmed](https://community.wowza.com/u/Ahmed_Ahmed)\
**Replies:** 2\
**Last updated:** [January 22, 2018, 6:04pm UTC](https://community.wowza.com/t/generating-thumbnails-for-live-streams/35235 "2018-01-22T18:04:26Z")

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Hello, I want wowza to generate thumbnails for live streams that are happening now, and recorded videos. Is that possible , I’m using Wowza 2.2.3. Thanks

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## [MultiTrackVOD module with dash](https://community.wowza.com/t/multitrackvod-module-with-dash/50606)

<div class="topic-metadata">

**Author:** [@valerio\_mod](https://community.wowza.com/u/valerio_mod)\
**Replies:** 0\
**Last updated:** [January 18, 2018, 6:08pm UTC](https://community.wowza.com/t/multitrackvod-module-with-dash/50606 "2018-01-18T18:08:26Z")

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Hi, i’m using the DASH protocol to stream a file that combines more than one video track using this url: …/vod/definst/mp4:TTS001/1080/combined.mp4/manifest\_mpm4sav\_mvtime.mpd i istalled the modile ModuleMultiTrackVOD…

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