# Wowza Developer Dojo **URL:** https://community.wowza.com/c/wowza-developer-dojo/10.md?page=25 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 26 --- ## [Simple user authentication demo with Wrench](https://community.wowza.com/t/simple-user-authentication-demo-with-wrench/42719)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 1\ **Last updated:** [February 14, 2015, 9:28pm UTC](https://community.wowza.com/t/simple-user-authentication-demo-with-wrench/42719 "2015-02-14T21:28:05Z")
Hi, I have this product called Wrench which generally addresses numerous system integration cases between Wowza and the surrounding system, let that be an online streaming site with paid events/minutes, or simply stream… --- ## [Update app settings by URL queries](https://community.wowza.com/t/update-app-settings-by-url-queries/44446)
**Author:** [@Simon\_Wieland](https://community.wowza.com/u/Simon_Wieland)\ **Replies:** 1\ **Last updated:** [February 11, 2015, 9:30am UTC](https://community.wowza.com/t/update-app-settings-by-url-queries/44446 "2015-02-11T09:30:20Z")
Is there a way to update app settings (such as publisher IP addresses) by HTTP requests similar to the live stream recorder (https://www.wowza.com/docs/how-to-record-live-streams-httplivestreamrecord)? --- ## [Failing to Load Class from HTTPprovider Jar](https://community.wowza.com/t/failing-to-load-class-from-httpprovider-jar/44666)
**Author:** [@Grayson\_Udstrand](https://community.wowza.com/u/Grayson_Udstrand)\ **Replies:** 3\ **Last updated:** [February 4, 2015, 9:49am UTC](https://community.wowza.com/t/failing-to-load-class-from-httpprovider-jar/44666 "2015-02-04T09:49:46Z")
I am trying to write a simple HelloWorld HTTPprovider (part of a project to enable communication between Wowza and my J2EE application, but that’s another post). I am able to write and build a simple HTTPprovider using a… --- ## [Generating thumbnails programmatically](https://community.wowza.com/t/generating-thumbnails-programmatically/44177)
**Author:** [@Diogo\_Moraes](https://community.wowza.com/u/Diogo_Moraes)\ **Replies:** 6\ **Last updated:** [January 29, 2015, 3:48pm UTC](https://community.wowza.com/t/generating-thumbnails-programmatically/44177 "2015-01-29T15:48:29Z")
Hello everyone. I am having a strange problem with the server-side code posted on this link:How to get thumbnail images from Wowza Transcoder with an HTTP Provider . I have a Transcoder Add-on license, and a commercial… --- ## [HTTPProvider works from Eclipse, not from .JAR](https://community.wowza.com/t/httpprovider-works-from-eclipse-not-from-jar/44594)
**Author:** [@Michael\_Anderson](https://community.wowza.com/u/Michael_Anderson)\ **Replies:** 3\ **Last updated:** [January 27, 2015, 7:13pm UTC](https://community.wowza.com/t/httpprovider-works-from-eclipse-not-from-jar/44594 "2015-01-27T19:13:31Z")
I’m trying to install my first HTTPProvider module for Wowza. Currently, if I run the code from Eclipse, everything works perfectly, but nothing works as soon as I close out of Eclipse - the application just hangs when I… --- ## [Reasons For ModuleTranscoderTimedSnapshot Interval Restrictions](https://community.wowza.com/t/reasons-for-moduletranscodertimedsnapshot-interval-restrictions/35067)
**Author:** [@ImAStreamer](https://community.wowza.com/u/ImAStreamer)\ **Replies:** 4\ **Last updated:** [January 27, 2015, 8:12am UTC](https://community.wowza.com/t/reasons-for-moduletranscodertimedsnapshot-interval-restrictions/35067 "2015-01-27T08:12:06Z")
I’m working with the ModuleTranscoderTimedSnapshot and I notice that the parameter for the interval is set to a minimum of 1 second. The source of the module enforces this restriction. I’m guessing this restriction is in… --- ## [is there a way to get alias name in onHTTPSessionCreate ?](https://community.wowza.com/t/is-there-a-way-to-get-alias-name-in-onhttpsessioncreate/37161)
**Author:** [@Alex\_Pokotilo](https://community.wowza.com/u/Alex_Pokotilo)\ **Replies:** 0\ **Last updated:** [January 21, 2015, 1:25pm UTC](https://community.wowza.com/t/is-there-a-way-to-get-alias-name-in-onhttpsessioncreate/37161 "2015-01-21T13:25:23Z")
when client setup Wowza Alias Module and viewers start watching using aliases I still have original stream name when I call httpSession.getStreamName() in onHTTPSessionCreate. But is there a way to find what was stream n… --- ## [Can you give me Source Code of LiveDVRStreaming player?](https://community.wowza.com/t/can-you-give-me-source-code-of-livedvrstreaming-player/44097)
**Author:** [@qizhao\_lee](https://community.wowza.com/u/qizhao_lee)\ **Replies:** 6\ **Last updated:** [January 11, 2015, 4:25pm UTC](https://community.wowza.com/t/can-you-give-me-source-code-of-livedvrstreaming-player/44097 "2015-01-11T16:25:42Z")
I need to use nDvr module,but player of samples is not source code. --- ## [Stream Name Alias](https://community.wowza.com/t/stream-name-alias/38523)
**Author:** [@Ted\_Tucker](https://community.wowza.com/u/Ted_Tucker)\ **Replies:** 1\ **Last updated:** [January 7, 2015, 11:33pm UTC](https://community.wowza.com/t/stream-name-alias/38523 "2015-01-07T23:33:14Z")
I am trying to use the Stream Name Alias module to do the following. I start a stream in application “live” called “stream1” then I would like clients to be able to call that stream via: rtmp://our-server.com/live/stre… --- ## [How to determine if a recording has completed processing with the rest api](https://community.wowza.com/t/how-to-determine-if-a-recording-has-completed-processing-with-the-rest-api/43954)
**Author:** [@Paul\_Jewell](https://community.wowza.com/u/Paul_Jewell)\ **Replies:** 4\ **Last updated:** [January 7, 2015, 2:03pm UTC](https://community.wowza.com/t/how-to-determine-if-a-recording-has-completed-processing-with-the-rest-api/43954 "2015-01-07T14:03:23Z")
Good morning, I am a developer and part of the website I am working on involves using wowza to record live streams. I have been communicating the basic api requests to start and stop the recordings with the REST API and… --- ## [Clamp - Dynamic stream captions on live streams](https://community.wowza.com/t/clamp-dynamic-stream-captions-on-live-streams/42724)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 0\ **Last updated:** [January 6, 2015, 11:20pm UTC](https://community.wowza.com/t/clamp-dynamic-stream-captions-on-live-streams/42724 "2015-01-06T23:20:10Z")
Hi, I am pleased to announce the initial release of Clamp, the latest tool in my streamtoolbox.com. Clamp is based on Transcoder AddOn and currently capable of keeping an eye on a single text file and process any new i… --- ## [Tracking which bitrate quality a player is consuming (adaptive bitrate)](https://community.wowza.com/t/tracking-which-bitrate-quality-a-player-is-consuming-adaptive-bitrate/43648)
**Author:** [@Gaurav\_Mishra1](https://community.wowza.com/u/Gaurav_Mishra1)\ **Replies:** 12\ **Last updated:** [January 5, 2015, 6:13pm UTC](https://community.wowza.com/t/tracking-which-bitrate-quality-a-player-is-consuming-adaptive-bitrate/43648 "2015-01-05T18:13:34Z")
Hi All, I want to keep track of which bitrate stream a particular client is consuming throughout a live session. i want to register following information for a live session t=0 connection from userid=123 — quality =1 … --- ## [How to get total bytes transferred by stream?](https://community.wowza.com/t/how-to-get-total-bytes-transferred-by-stream/39539)
**Author:** [@Ivan\_lappo](https://community.wowza.com/u/Ivan_lappo)\ **Replies:** 3\ **Last updated:** [January 2, 2015, 2:45pm UTC](https://community.wowza.com/t/how-to-get-total-bytes-transferred-by-stream/39539 "2015-01-02T14:45:59Z")
I need to collect statistics of usage and total bytes send and received by server. I suppose, in MediaEventListener.onStop() should be some way, to get total bytes transferred by stream. --- ## [Wowza and NewTek Use Cases](https://community.wowza.com/t/wowza-and-newtek-use-cases/43263)
**Author:** [@Alyssa\_Montoya](https://community.wowza.com/u/Alyssa_Montoya)\ **Replies:** 4\ **Last updated:** [December 29, 2014, 1:50am UTC](https://community.wowza.com/t/wowza-and-newtek-use-cases/43263 "2014-12-29T01:50:58Z")
Are you using Wowza and NewTek’s TriCaster? We want to hear about it! Let us know what you are streaming, how long you have been using Wowza and NewTek together and any other interesting details. We love to hear about … --- ## [Missing values in log fields in stats log](https://community.wowza.com/t/missing-values-in-log-fields-in-stats-log/35699)
**Author:** [@Shoo\_Kyuk\_Wei](https://community.wowza.com/u/Shoo_Kyuk_Wei)\ **Replies:** 3\ **Last updated:** [December 23, 2014, 5:49pm UTC](https://community.wowza.com/t/missing-values-in-log-fields-in-stats-log/35699 "2014-12-23T17:49:01Z")
Hi guys, I notice that some of the fields(x-severity, x-category, x-event) is missing from the stats log(wowzamediaserver\_stats.log). x-app x-severity x-category x-event date time c-client-id c-ip … --- ## [Video Chat and Streaming Service Tutorial](https://community.wowza.com/t/video-chat-and-streaming-service-tutorial/42717)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 1\ **Last updated:** [December 22, 2014, 12:20am UTC](https://community.wowza.com/t/video-chat-and-streaming-service-tutorial/42717 "2014-12-22T00:20:13Z")
Hello, I wrote an article on how to set up a theoretical video chat / streaming service like website using Wowza Streaming Engine and Wrench. The article gives you the vague idea about how to achieve this using this mod… --- ## [How to implement the callback when a rtsp recorder source is coming?](https://community.wowza.com/t/how-to-implement-the-callback-when-a-rtsp-recorder-source-is-coming/44480)
**Author:** [@Licaksm\_alsdkj](https://community.wowza.com/u/Licaksm_alsdkj)\ **Replies:** 1\ **Last updated:** [December 20, 2014, 12:21am UTC](https://community.wowza.com/t/how-to-implement-the-callback-when-a-rtsp-recorder-source-is-coming/44480 "2014-12-20T00:21:57Z")
I want to let my wowza server to call an http api or run some codes in a callback when a live source is incoming. --- ## [reset stream in wowza](https://community.wowza.com/t/reset-stream-in-wowza/40562)
**Author:** [@Alexey\_Tsessarskiy](https://community.wowza.com/u/Alexey_Tsessarskiy)\ **Replies:** 1\ **Last updated:** [December 19, 2014, 12:38am UTC](https://community.wowza.com/t/reset-stream-in-wowza/40562 "2014-12-19T00:38:49Z")
How to reset a stream from java API? Similiar to the action that happens when you click on “reset stream” in Incoming streams in Wowza streaming engine manager. Thank you! --- ## [how to get live stream with aplication name and stream name?](https://community.wowza.com/t/how-to-get-live-stream-with-aplication-name-and-stream-name/44096)
**Author:** [@qizhao\_lee](https://community.wowza.com/u/qizhao_lee)\ **Replies:** 3\ **Last updated:** [December 17, 2014, 12:34pm UTC](https://community.wowza.com/t/how-to-get-live-stream-with-aplication-name-and-stream-name/44096 "2014-12-17T12:34:33Z")
public void onHTTPRequest(IVHost vhost, IHTTPRequest req, IHTTPResponse resp) { String app = “live”; String streamName = “test1.stream”;//test.stream is active if (params.containsKey(“app”)) app = params.get(“app”).g… --- ## [Can't find standart java methods](https://community.wowza.com/t/cant-find-standart-java-methods/38653)
**Author:** [@Leonid\_Sob](https://community.wowza.com/u/Leonid_Sob)\ **Replies:** 2\ **Last updated:** [December 11, 2014, 8:09pm UTC](https://community.wowza.com/t/cant-find-standart-java-methods/38653 "2014-12-11T20:09:13Z")
Hello! After update from Wowza Media Server 3.0.6 to Wowza Streaming Engine 4.1.1 my own server-side Module is broken The error occurs in the lines: import java.util.ArrayList; import java.util.HashMap; it does not s… --- ## [Custom security module](https://community.wowza.com/t/custom-security-module/44305)
**Author:** [@lee\_rayner](https://community.wowza.com/u/lee_rayner)\ **Replies:** 1\ **Last updated:** [December 10, 2014, 3:46pm UTC](https://community.wowza.com/t/custom-security-module/44305 "2014-12-10T15:46:55Z")
I’m looking to migrate an existing system from helix to wowza. The existing system has a security module where the Helix rtmp server makes a HTTPS POST to our server to get an ACCEPT / DENY response on a video by video b… --- ## [PushPublish server side API](https://community.wowza.com/t/pushpublish-server-side-api/40561)
**Author:** [@Alexey\_Tsessarskiy](https://community.wowza.com/u/Alexey_Tsessarskiy)\ **Replies:** 2\ **Last updated:** [December 5, 2014, 7:06pm UTC](https://community.wowza.com/t/pushpublish-server-side-api/40561 "2014-12-05T19:06:58Z")
Hi! Do you have an example of push publish using server side API? mediacaster feed, RTP and RTMP pushpublish to outside Many thanks, Alex. --- ## [Uploading images from an HTTP Provider client to the Wowza Server](https://community.wowza.com/t/uploading-images-from-an-http-provider-client-to-the-wowza-server/44220)
**Author:** [@Phenelo\_Goblet](https://community.wowza.com/u/Phenelo_Goblet)\ **Replies:** 2\ **Last updated:** [December 1, 2014, 2:05am UTC](https://community.wowza.com/t/uploading-images-from-an-http-provider-client-to-the-wowza-server/44220 "2014-12-01T02:05:29Z")
Any suggestions or tips how to upload images from an HTTP Provider client to the Wowza Server? I also want to display the uploaded image to the client. Should I setup another Web Server for the images? If setting a Web… --- ## [Overriding publish and releaseStream](https://community.wowza.com/t/overriding-publish-and-releasestream/40559)
**Author:** [@Alexey\_Tsessarskiy](https://community.wowza.com/u/Alexey_Tsessarskiy)\ **Replies:** 4\ **Last updated:** [November 25, 2014, 3:18pm UTC](https://community.wowza.com/t/overriding-publish-and-releasestream/40559 "2014-11-25T15:18:16Z")
Hi! We need to control publishing using some custom logic, for example public void publish(IClient client, RequestFunction function, AMFDataList params) { if(this.someCustomLogic()) invokePrevious(client, function, par… --- ## [Is there a way to tell Wowza to execute a program after a file write is complete?](https://community.wowza.com/t/is-there-a-way-to-tell-wowza-to-execute-a-program-after-a-file-write-is-complete/44259)
**Author:** [@Lenny\_Sibaja](https://community.wowza.com/u/Lenny_Sibaja)\ **Replies:** 5\ **Last updated:** [November 17, 2014, 2:08pm UTC](https://community.wowza.com/t/is-there-a-way-to-tell-wowza-to-execute-a-program-after-a-file-write-is-complete/44259 "2014-11-17T14:08:27Z")
Hi, I want to upload a video file to my S3 input bucket –as soon as a Wowza file write is complete- so the Amazon Elastic Transcoder can transcode the file. Is there a way to tell Wowza to execute a program after a fil… --- ## [Number of Connections](https://community.wowza.com/t/number-of-connections/43078)
**Author:** [@Guilherme\_Nozawa](https://community.wowza.com/u/Guilherme_Nozawa)\ **Replies:** 3\ **Last updated:** [November 17, 2014, 1:58pm UTC](https://community.wowza.com/t/number-of-connections/43078 "2014-11-17T13:58:03Z")
Hey Everyone, I would like to know if there is some method in the Wowza API that returns the number of connections in a specified stream. I searched in API and only found getClientCountTotal and getClientCount but this … --- ## [Storing extra information about stream clients](https://community.wowza.com/t/storing-extra-information-about-stream-clients/42699)
**Author:** [@system](https://community.wowza.com/u/system)\ **Replies:** 1\ **Last updated:** [November 17, 2014, 7:24am UTC](https://community.wowza.com/t/storing-extra-information-about-stream-clients/42699 "2014-11-17T07:24:12Z")
Hi! I wrote a small article on something I found quite useful when developing custom modules for Wowza… It is about attaching arbitrary meta-information to your stream’s clients that you can use later for pretty much an… --- ## [how to use writeAppConfig ?](https://community.wowza.com/t/how-to-use-writeappconfig/44094)
**Author:** [@qizhao\_lee](https://community.wowza.com/u/qizhao_lee)\ **Replies:** 2\ **Last updated:** [November 16, 2014, 1:44am UTC](https://community.wowza.com/t/how-to-use-writeappconfig/44094 "2014-11-16T01:44:32Z")
I want set node to “live” in Application.xml file, I use code: IApplication app = vhost.getApplication(appName); app.writeAppConfig(“AppType”, “live”); The file Application.xml content is deleted ,only “live”。 \ **Author:** [@qizhao\_lee](https://community.wowza.com/u/qizhao_lee)\ **Replies:** 1\ **Last updated:** [November 13, 2014, 10:23pm UTC](https://community.wowza.com/t/how-to-authentication-with-password-and-username/44093 "2014-11-13T22:23:08Z") I know function doHTTPAuthentication(vhost, req, resp) can auto Authentication,but I don’t know How to Authentication with password and username in myself login box . I want to Authentication when I login in my website. … --- ## [How to invoke an external URL to notify events like onPlay, onDescribe, onTearDown.](https://community.wowza.com/t/how-to-invoke-an-external-url-to-notify-events-like-onplay-ondescribe-onteardown/41102)
**Author:** [@Gollapudi\_Sridhar](https://community.wowza.com/u/Gollapudi_Sridhar)\ **Replies:** 3\ **Last updated:** [November 13, 2014, 12:08am UTC](https://community.wowza.com/t/how-to-invoke-an-external-url-to-notify-events-like-onplay-ondescribe-onteardown/41102 "2014-11-13T00:08:03Z")
Hi, How can i invoke an external URL (over http to notify the events) during various events like onPlay, onPause, onTearDown(), onDescribe, onAnounce() etc. Please share me a module code snippet. Thanks in Advance. [Previous page](https://community.wowza.com/c/wowza-developer-dojo/10.md?page=24) [Next page](https://community.wowza.com/c/wowza-developer-dojo/10.md?page=26)