# Latest

**URL:** https://community.wowza.com/latest.md?page=162

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

**Page:** 163

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## [Closed Captioning Comment](https://community.wowza.com/t/closed-captioning-comment/49948)

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**Author:** [@Stephen\_Trimble](https://community.wowza.com/u/Stephen_Trimble)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 4:00am UTC](https://community.wowza.com/t/closed-captioning-comment/49948 "2017-11-22T04:00:58Z")

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I use Wowza Streaming Cloud with Closed Captioning utilizing an RTMP encoder. At first, I had high difficulty in getting it to work reliably. I found that the best way to stream Closed Captioning to Wowza Streaming Cloud…

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## [Playback using the download link of recordings from Wowza Streaming Cloud live streams](https://community.wowza.com/t/playback-using-the-download-link-of-recordings-from-wowza-streaming-cloud-live-streams/50080)

<div class="topic-metadata">

**Author:** [@Charles\_Jabaley](https://community.wowza.com/u/Charles_Jabaley)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 3:55am UTC](https://community.wowza.com/t/playback-using-the-download-link-of-recordings-from-wowza-streaming-cloud-live-streams/50080 "2017-11-22T03:55:48Z")

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Hello, there is some support for making recordings of the live streams in Wowza Streaming Cloud which is great. What isn’t immediately clear from the documentation is if it is OK to distribute the provided download lin…

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## [Wowza Streaming Cloud REST API Key is not yet available after requesting for a long time ?](https://community.wowza.com/t/wowza-streaming-cloud-rest-api-key-is-not-yet-available-after-requesting-for-a-long-time/50116)

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**Author:** [@Mageswari\_Radhakrish](https://community.wowza.com/u/Mageswari_Radhakrish)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 3:48am UTC](https://community.wowza.com/t/wowza-streaming-cloud-rest-api-key-is-not-yet-available-after-requesting-for-a-long-time/50116 "2017-11-22T03:48:40Z")

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Wowza Streaming Cloud REST API Key is not yet available after requesting for a long time ?

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## [4K Video RTMP source to RTMP output](https://community.wowza.com/t/4k-video-rtmp-source-to-rtmp-output/50135)

<div class="topic-metadata">

**Author:** [@Colin](https://community.wowza.com/u/Colin)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 3:43am UTC](https://community.wowza.com/t/4k-video-rtmp-source-to-rtmp-output/50135 "2017-11-22T03:43:29Z")

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Hi, I am attempting to push a 4K camera feed encoded h.264 (RTMP) to Wowza cloud with the intention to transcode a passthrough and to receive an RTMP URL as the output to playback on a player I have built. When I set up …

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## [error messages when no streams running](https://community.wowza.com/t/error-messages-when-no-streams-running/50205)

<div class="topic-metadata">

**Author:** [@David\_Siegel](https://community.wowza.com/u/David_Siegel)\
**Replies:** 0\
**Last updated:** [November 22, 2017, 3:41am UTC](https://community.wowza.com/t/error-messages-when-no-streams-running/50205 "2017-11-22T03:41:30Z")

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I have no streams running - I stopped them all. Why is it that I have an endless stream of these sorts of error messages spewing out to my log files (and the load average on my server remains high)? amerAdapterCupertino…

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## [No token authentication applied](https://community.wowza.com/t/no-token-authentication-applied/50161)

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**Author:** [@jachol\_Ku](https://community.wowza.com/u/jachol_Ku)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 3:38am UTC](https://community.wowza.com/t/no-token-authentication-applied/50161 "2017-11-22T03:38:44Z")

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“Your authorization setup is being prepared. This may take a few minutes.” Same message on the 6th day… T.T No token authentication applied Is there any problem?..

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## [Get REST API access to get connection code (iOS GoCoder SDK to Wowza Cloud Streaming)](https://community.wowza.com/t/get-rest-api-access-to-get-connection-code-ios-gocoder-sdk-to-wowza-cloud-streaming/49648)

<div class="topic-metadata">

**Author:** [@Paolo\_Dobrowolny](https://community.wowza.com/u/Paolo_Dobrowolny)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 2:55am UTC](https://community.wowza.com/t/get-rest-api-access-to-get-connection-code-ios-gocoder-sdk-to-wowza-cloud-streaming/49648 "2017-11-22T02:55:40Z")

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I’m using the GoCoder SDK in iOS and I want to stream from my custom app to Wowza Cloud Streaming. I have the following questions: 1) Reading other answers it looks like I need to get the connection code using the Wowza…

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## [UnsatisfiedLinkError after importing goCoder aar library which contains some .so file](https://community.wowza.com/t/unsatisfiedlinkerror-after-importing-gocoder-aar-library-which-contains-some-so-file/49634)

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**Author:** [@yukimura\_maeda](https://community.wowza.com/u/yukimura_maeda)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 2:45am UTC](https://community.wowza.com/t/unsatisfiedlinkerror-after-importing-gocoder-aar-library-which-contains-some-so-file/49634 "2017-11-22T02:45:09Z")

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I tried to add some new feature to my app, so i imported goCoder aar library which contains a.so file. But after importing, my app crashed everytime because of java.lang.UnsatisfiedLinkError. All the native libs can’t b…

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## [Can I get a license key for the development environment?](https://community.wowza.com/t/can-i-get-a-license-key-for-the-development-environment/49588)

<div class="topic-metadata">

**Author:** [@Tadashi\_Wakayanagi](https://community.wowza.com/u/Tadashi_Wakayanagi)\
**Replies:** 3\
**Last updated:** [November 22, 2017, 2:37am UTC](https://community.wowza.com/t/can-i-get-a-license-key-for-the-development-environment/49588 "2017-11-22T02:37:35Z")

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In Android development, we use productFlavors to switch the application ID for each environment. For example Product: com.sample.myapp Staging: com.sample.myapp.stg Develop: com.sample.myapp.dev In this case, do we …

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## [How should I login to Streaming target(Facebook) in REST API ?](https://community.wowza.com/t/how-should-i-login-to-streaming-target-facebook-in-rest-api/50126)

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**Author:** [@Kumaravel\_Thirukamu](https://community.wowza.com/u/Kumaravel_Thirukamu)\
**Replies:** 1\
**Last updated:** [November 22, 2017, 2:28am UTC](https://community.wowza.com/t/how-should-i-login-to-streaming-target-facebook-in-rest-api/50126 "2017-11-22T02:28:31Z")

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Every time I select the target for streaming by logging in Wowza but I need to log in from REST API to select the target (Facebook) .Can you provide assistance

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## [​Restart application failed from enginemanager to Wowza Streaming Engine](https://community.wowza.com/t/restart-application-failed-from-enginemanager-to-wowza-streaming-engine/50085)

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**Author:** [@Richard\_Li](https://community.wowza.com/u/Richard_Li)\
**Replies:** 3\
**Last updated:** [November 22, 2017, 2:20am UTC](https://community.wowza.com/t/restart-application-failed-from-enginemanager-to-wowza-streaming-engine/50085 "2017-11-22T02:20:53Z")

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Restart application failed from enginemanager to Wowza Streaming Engine, can’t login Wowza Streaming Engine again, please help!

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## [REST API missing add to startup streams?!?](https://community.wowza.com/t/rest-api-missing-add-to-startup-streams/48836)

<div class="topic-metadata">

**Author:** [@Cai\_Black](https://community.wowza.com/u/Cai_Black)\
**Replies:** 5\
**Last updated:** [November 22, 2017, 2:14am UTC](https://community.wowza.com/t/rest-api-missing-add-to-startup-streams/48836 "2017-11-22T02:14:44Z")

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I have my web application performing all of the required tasks, except for adding a stream to the startup streams. I’m just missing that one part. It creates a pretty big burden on our support personnel to manually start…

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## [alat pemadam api](https://community.wowza.com/t/alat-pemadam-api/50201)

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**Author:** [@ria\_sonick](https://community.wowza.com/u/ria_sonick)\
**Replies:** 0\
**Last updated:** [November 22, 2017, 1:58am UTC](https://community.wowza.com/t/alat-pemadam-api/50201 "2017-11-22T01:58:57Z")

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SONICK PEMADAM API adalah salah satu perusahaan alat pemadam kebakaran dan memproduksi sudah berpengalaman lebih sejak tahun 2009 lamanya, dengan merk SONICK. sonick Kami juga menyediakan jasa alat pemadam kebakaran sega…

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## [Streaming Engine stream used as a multicast source](https://community.wowza.com/t/streaming-engine-stream-used-as-a-multicast-source/50196)

<div class="topic-metadata">

**Author:** [@Gary\_Powell](https://community.wowza.com/u/Gary_Powell)\
**Replies:** 2\
**Last updated:** [November 21, 2017, 9:42pm UTC](https://community.wowza.com/t/streaming-engine-stream-used-as-a-multicast-source/50196 "2017-11-21T21:42:09Z")

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I want to use Wowza Streaming Engine software to push a (RTP RTSP) stream to multicast enable network. Is that possible? The network is multicast enabled and uses a Windows Media Services 9 for this. Wowza SME will re…

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## [Transmuxing vs transcoding](https://community.wowza.com/t/transmuxing-vs-transcoding/50198)

<div class="topic-metadata">

**Author:** [@Gary\_Powell](https://community.wowza.com/u/Gary_Powell)\
**Replies:** 2\
**Last updated:** [November 21, 2017, 9:39pm UTC](https://community.wowza.com/t/transmuxing-vs-transcoding/50198 "2017-11-21T21:39:24Z")

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I have a question regarding transmuxing vs transcoding in regards to a live stream. I know I get transmuxing for live streams using the Wowza playing via HLS, my question would adding transcoding be an addition benefit, …

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## [Automatically start scheduled stream on server startup](https://community.wowza.com/t/automatically-start-scheduled-stream-on-server-startup/50200)

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**Author:** [@FERDINAND\_SISON](https://community.wowza.com/u/FERDINAND_SISON)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 7:46pm UTC](https://community.wowza.com/t/automatically-start-scheduled-stream-on-server-startup/50200 "2017-11-21T19:46:02Z")

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Hi, Im trying to follow this article but for some reason my stream is not starting up. Can someone post relevant working xml files that I can reference why mine is not starting. https://www.wowza.com/docs/how-to-schedu…

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## [Audio/Video synchronization issue on multicast frame drops in DASH (Chrome browser)](https://community.wowza.com/t/audio-video-synchronization-issue-on-multicast-frame-drops-in-dash-chrome-browser/50199)

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**Author:** [@Przemyslaw\_Sobala](https://community.wowza.com/u/Przemyslaw_Sobala)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 4:02pm UTC](https://community.wowza.com/t/audio-video-synchronization-issue-on-multicast-frame-drops-in-dash-chrome-browser/50199 "2017-11-21T16:02:14Z")

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Hello I’ve got a source multicast stream that’s being transcoded by Wowza Streaming Engine Transcoder and packaged into DASH stream. The source stream is configured like this: { uri : "udp://239.239.6.16:1234", mp…

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## [Record Live Streaming - High memory consumption](https://community.wowza.com/t/record-live-streaming-high-memory-consumption/50193)

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**Author:** [@Guilherme\_N](https://community.wowza.com/u/Guilherme_N)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 3:58pm UTC](https://community.wowza.com/t/record-live-streaming-high-memory-consumption/50193 "2017-11-21T15:58:18Z")

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Hey. I am trying to record live streams 24 x 7 using Wowza Streaming Engine but memory consumption only grows over time. We are recording only one camera (702 x 480 resolution; 1 MB bitrate; transmitting in H.264) and s…

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## [authenticateRTSP return false not close client connection](https://community.wowza.com/t/authenticatertsp-return-false-not-close-client-connection/50190)

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**Author:** [@nguyen\_Nguyen4](https://community.wowza.com/u/nguyen_Nguyen4)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 10:26am UTC](https://community.wowza.com/t/authenticatertsp-return-false-not-close-client-connection/50190 "2017-11-21T10:26:14Z")

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Hi there! I have implements IAuthenticateRTSP with method authenticateRTSP return false. But rtsp client do not close. public class RTSPAuth implements IAuthenticateRTSP { @Override public boolean authenticateRTSP(RT…

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## [Unable to restream from multiple sources, samples work](https://community.wowza.com/t/unable-to-restream-from-multiple-sources-samples-work/50185)

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**Author:** [@Nick\_Santos](https://community.wowza.com/u/Nick_Santos)\
**Replies:** 1\
**Last updated:** [November 21, 2017, 6:59am UTC](https://community.wowza.com/t/unable-to-restream-from-multiple-sources-samples-work/50185 "2017-11-21T06:59:48Z")

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Hi there, I have a new Wowza Streaming Engine installation that I’m trying to get set up to restream an Axis camera - the P5515. So far, here are the symptoms: First, Wowza seems unable to connect to the camera. I see …

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## [Is Wowza Player Builder available for AWS Marketplace License?](https://community.wowza.com/t/is-wowza-player-builder-available-for-aws-marketplace-license/50186)

<div class="topic-metadata">

**Author:** [@Yuma\_Sugimura](https://community.wowza.com/u/Yuma_Sugimura)\
**Replies:** 0\
**Last updated:** [November 21, 2017, 5:58am UTC](https://community.wowza.com/t/is-wowza-player-builder-available-for-aws-marketplace-license/50186 "2017-11-21T05:58:12Z")

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Hi, I am thinking of launching an EC2 Instance with Wowza Streaming Engine 4: Pro Edition (HVM) AMI from AWS Marketplace. https://aws.amazon.com/marketplace/pp/B012BW3WB Is Wowza Player Builder available in this case? …

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## [PHP Curl for Cloud REST API](https://community.wowza.com/t/php-curl-for-cloud-rest-api/49132)

<div class="topic-metadata">

**Author:** [@paul\_davies](https://community.wowza.com/u/paul_davies)\
**Replies:** 1\
**Last updated:** [November 20, 2017, 5:56pm UTC](https://community.wowza.com/t/php-curl-for-cloud-rest-api/49132 "2017-11-20T17:56:24Z")

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I am using PHP with Curl to consume the Cloud REST API and have managed to send the key & access key with the header but i am getting a “Invalid Api Key Error”.This is the correct API key and works fine within the Cloud …

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## [WebRTC Questions](https://community.wowza.com/t/webrtc-questions/50158)

<div class="topic-metadata">

**Author:** [@Cody\_Uptain1](https://community.wowza.com/u/Cody_Uptain1)\
**Replies:** 2\
**Last updated:** [November 20, 2017, 3:39pm UTC](https://community.wowza.com/t/webrtc-questions/50158 "2017-11-20T15:39:07Z")

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I have a website where "streamers’ push RTMP streams to Wowza and the viewers playback the streams via WebRTC. Does using WebRTC with Wowza limit the max amount of viewers as opposed to say RTMP? I know that with trad…

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## [No audio when using GoCoder (with WebRTC)](https://community.wowza.com/t/no-audio-when-using-gocoder-with-webrtc/50175)

<div class="topic-metadata">

**Author:** [@john\_mcqueen](https://community.wowza.com/u/john_mcqueen)\
**Replies:** 2\
**Last updated:** [November 20, 2017, 2:55pm UTC](https://community.wowza.com/t/no-audio-when-using-gocoder-with-webrtc/50175 "2017-11-20T14:55:32Z")

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When encoding with GoCoder my WebRTC stream has no audio. But RTMP playback does have audio. Audio works via WebRTC when encoding with OBS though. I have audio only transcoding setup to transcode AAC to Opus. What could…

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## [Do I need a STUN server with Wowza (WebRTC)?](https://community.wowza.com/t/do-i-need-a-stun-server-with-wowza-webrtc/50173)

<div class="topic-metadata">

**Author:** [@john\_mcqueen](https://community.wowza.com/u/john_mcqueen)\
**Replies:** 0\
**Last updated:** [November 20, 2017, 2:29am UTC](https://community.wowza.com/t/do-i-need-a-stun-server-with-wowza-webrtc/50173 "2017-11-20T02:29:08Z")

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Do I need to pass in STUN servers to the RTCPeerConnection object when using WebRTC with Wowza?

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## [empty captions when loading SMIL from S3](https://community.wowza.com/t/empty-captions-when-loading-smil-from-s3/46338)

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**Author:** [@Brian\_Laske](https://community.wowza.com/u/Brian_Laske)\
**Replies:** 2\
**Last updated:** [November 20, 2017, 2:27am UTC](https://community.wowza.com/t/empty-captions-when-loading-smil-from-s3/46338 "2017-11-20T02:27:25Z")

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I’m having trouble getting webvtt captions to work when streaming HLS from a vods3cf application. My SMIL file looks like this: \<smil\> \<head /\> \<body\> \<switch\> \<video src="mp4:video-hd.mp4" system-bitrate…

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## [About Critical Security Update Released](https://community.wowza.com/t/about-critical-security-update-released/49863)

<div class="topic-metadata">

**Author:** [@Stefano](https://community.wowza.com/u/Stefano)\
**Replies:** 3\
**Last updated:** [November 20, 2017, 1:29am UTC](https://community.wowza.com/t/about-critical-security-update-released/49863 "2017-11-20T01:29:28Z")

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Hi All, A question about this https://www.wowza.com/support/critical-update Following the instruction I stop the service using the command: sudo service WowzaStreamingEngineManager start Then I use the command: sudo…

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## [Not showing app](https://community.wowza.com/t/not-showing-app/50172)

<div class="topic-metadata">

**Author:** [@khushhal\_Latif](https://community.wowza.com/u/khushhal_Latif)\
**Replies:** 1\
**Last updated:** [November 19, 2017, 7:09pm UTC](https://community.wowza.com/t/not-showing-app/50172 "2017-11-19T19:09:28Z")

</div>

Missing title. Missing body.

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## [How to divide multiple audio track?](https://community.wowza.com/t/how-to-divide-multiple-audio-track/50162)

<div class="topic-metadata">

**Author:** [@Robert\_Muradyan](https://community.wowza.com/u/Robert_Muradyan)\
**Replies:** 1\
**Last updated:** [November 18, 2017, 8:05pm UTC](https://community.wowza.com/t/how-to-divide-multiple-audio-track/50162 "2017-11-18T20:05:16Z")

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Hello! I have an HD-SDI stream of TV channel with multiple audio tracks (languages) that come to Decklink capture card via SDI cable. Video and all of the audio tracks are determinded by the capture card. I need to creat…

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## [How can I config log4j for send wowza logs?](https://community.wowza.com/t/how-can-i-config-log4j-for-send-wowza-logs/50155)

<div class="topic-metadata">

**Author:** [@Mario\_Francia](https://community.wowza.com/u/Mario_Francia)\
**Replies:** 1\
**Last updated:** [November 18, 2017, 7:57pm UTC](https://community.wowza.com/t/how-can-i-config-log4j-for-send-wowza-logs/50155 "2017-11-18T19:57:59Z")

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Hi! I want to send the wowza logs to a remote server that has a logstash installed. For that, I want to use log4j but doesn´t work, this is my config: Access appender (UDP) - uncomment and add to rootCategory list on f…

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