# Latest **URL:** https://community.wowza.com/latest.md?page=102 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 103 --- ## [How to create an thumbnail image from video file (mp4)](https://community.wowza.com/t/how-to-create-an-thumbnail-image-from-video-file-mp4/53660)
**Author:** [@Arian\_Eghtessadi](https://community.wowza.com/u/Arian_Eghtessadi)\ **Replies:** 1\ **Last updated:** [July 16, 2019, 9:09pm UTC](https://community.wowza.com/t/how-to-create-an-thumbnail-image-from-video-file-mp4/53660 "2019-07-16T21:09:48Z")
For Livestreaming there is the HTTPProviderGenerateThumbnail class. What about VOD? How can I create a thumbnail image there? --- ## [VOD HLS Buffering and cupertinoChunkDurationTarget](https://community.wowza.com/t/vod-hls-buffering-and-cupertinochunkdurationtarget/53653)
**Author:** [@Michael\_Doble](https://community.wowza.com/u/Michael_Doble)\ **Replies:** 4\ **Last updated:** [July 16, 2019, 1:16pm UTC](https://community.wowza.com/t/vod-hls-buffering-and-cupertinochunkdurationtarget/53653 "2019-07-16T13:16:12Z")
I’ve got a 15 second video that has a keyframe interval of 2. I’ve set my cupertinoChunkDurationTarget setting to 6000. The video takes a hot second to load (using Clappr for playback) and when it does, the video gets to… --- ## [I want to prevent the wowza server from starting automatically when the Linux server restarts.](https://community.wowza.com/t/i-want-to-prevent-the-wowza-server-from-starting-automatically-when-the-linux-server-restarts/53632)
**Author:** [@sunny\_park](https://community.wowza.com/u/sunny_park)\ **Replies:** 3\ **Last updated:** [July 15, 2019, 8:13pm UTC](https://community.wowza.com/t/i-want-to-prevent-the-wowza-server-from-starting-automatically-when-the-linux-server-restarts/53632 "2019-07-15T20:13:42Z")
I want to prevent the wowza server from starting automatically when the Linux server restarts. When I install the wowza streaming engine server, it asks if wowza should be started automatically when the server is restar… --- ## [Issue with Integrating Gocoder Sdk with android and Ios with Ultra low Latency target streams,](https://community.wowza.com/t/issue-with-integrating-gocoder-sdk-with-android-and-ios-with-ultra-low-latency-target-streams/53650)
**Author:** [@Shailesh\_Ranmale](https://community.wowza.com/u/Shailesh_Ranmale)\ **Replies:** 1\ **Last updated:** [July 15, 2019, 8:05pm UTC](https://community.wowza.com/t/issue-with-integrating-gocoder-sdk-with-android-and-ios-with-ultra-low-latency-target-streams/53650 "2019-07-15T20:05:31Z")
Hello Team, We are stuck with android as well as iOS implementation with Gocoder sdk. We are trying to play back an Ultra low latency stream. We are doing everything as per the documentation (https://www.wowza.com/doc… --- ## [How can I stream my video (video, audio, metadata) with RTSP?](https://community.wowza.com/t/how-can-i-stream-my-video-video-audio-metadata-with-rtsp/53643)
**Author:** [@hdd\_sdd](https://community.wowza.com/u/hdd_sdd)\ **Replies:** 1\ **Last updated:** [July 15, 2019, 3:38pm UTC](https://community.wowza.com/t/how-can-i-stream-my-video-video-audio-metadata-with-rtsp/53643 "2019-07-15T15:38:08Z")
Hi, I’d like to know how can I stream my video (video, audio, metadata) with RTSP? In my video (mpegts), there are video, audio and metadata content. I want to stream all content with RTSP. I want to stream like thi… --- ## [Is there any way to switch multiple streams on server side?](https://community.wowza.com/t/is-there-any-way-to-switch-multiple-streams-on-server-side/53645)
**Author:** [@Luke\_Stanley](https://community.wowza.com/u/Luke_Stanley)\ **Replies:** 1\ **Last updated:** [July 15, 2019, 3:34pm UTC](https://community.wowza.com/t/is-there-any-way-to-switch-multiple-streams-on-server-side/53645 "2019-07-15T15:34:23Z")
Hello! I’m working on live streaming project and it has to provide multiple(up to 3) streams per a game and they can be switched in main view. Currently I’m loading every streams when the administrator change the strea… --- ## [Wowza Player can't play rtmp](https://community.wowza.com/t/wowza-player-cant-play-rtmp/53646)
**Author:** [@yi\_Zhang](https://community.wowza.com/u/yi_Zhang)\ **Replies:** 1\ **Last updated:** [July 12, 2019, 7:39pm UTC](https://community.wowza.com/t/wowza-player-cant-play-rtmp/53646 "2019-07-12T19:39:05Z")
WowzaPlayer play rtmp sourceURL --- ## [GPU accelerated transrating in VMware environment?](https://community.wowza.com/t/gpu-accelerated-transrating-in-vmware-environment/53598)
**Author:** [@DFN\_VC](https://community.wowza.com/u/DFN_VC)\ **Replies:** 5\ **Last updated:** [July 12, 2019, 7:36pm UTC](https://community.wowza.com/t/gpu-accelerated-transrating-in-vmware-environment/53598 "2019-07-12T19:36:29Z")
We are running a Wowza server inside a VMware Vsphere (6.7) at a Dell blade M640 installation. For transrating you are supporting GPU acceleration. Will Wowza support a PGU card pluged into that blade? Card is a dxg-p… --- ## [UDP streams lagging after transcoding](https://community.wowza.com/t/udp-streams-lagging-after-transcoding/53648)
**Author:** [@Aleksandar\_Stojcevsk](https://community.wowza.com/u/Aleksandar_Stojcevsk)\ **Replies:** 1\ **Last updated:** [July 12, 2019, 7:04pm UTC](https://community.wowza.com/t/udp-streams-lagging-after-transcoding/53648 "2019-07-12T19:04:06Z")
Hi, I have 20 smooth incoming UDP streams. I use transcoder with 3 bitrates (720p, 480p and 240p) My configuration is: -Ubuntu Server 18.04 NVIDIA Quadro K5000 Intel® Core™ i7-8700K CPU @ 3.70GHz RAM 16GB A… --- ## [WSE Module Development - When deploying new modules, old modules seem to stay in memory?](https://community.wowza.com/t/wse-module-development-when-deploying-new-modules-old-modules-seem-to-stay-in-memory/53652)
**Author:** [@Rich\_Sokol](https://community.wowza.com/u/Rich_Sokol)\ **Replies:** 1\ **Last updated:** [July 12, 2019, 7:01pm UTC](https://community.wowza.com/t/wse-module-development-when-deploying-new-modules-old-modules-seem-to-stay-in-memory/53652 "2019-07-12T19:01:12Z")
We are devloping custom modules for our WSE deployment on CentOS7, it seems as though simply restarting the services via the WSE Manager does not release the old version of the module? Is there a command that can be exec… --- ## [QuickSync on Xeon (Windows)](https://community.wowza.com/t/quicksync-on-xeon-windows/53592)
**Author:** [@David\_Wilkins](https://community.wowza.com/u/David_Wilkins)\ **Replies:** 4\ **Last updated:** [July 11, 2019, 4:50pm UTC](https://community.wowza.com/t/quicksync-on-xeon-windows/53592 "2019-07-11T16:50:11Z")
Hi, we have Wowza on a Xeon E5-2670, and have been trying the transcoder using QuickSync. I’m encountering a few issues: Periodically the framerate drops for a few seconds, and then recovers. Sometimes this is accompa… --- ## [Why not have fullscreen API for JavaScript ??](https://community.wowza.com/t/why-not-have-fullscreen-api-for-javascript/49473)
**Author:** [@Jehun\_Koa1](https://community.wowza.com/u/Jehun_Koa1)\ **Replies:** 1\ **Last updated:** [July 11, 2019, 9:12am UTC](https://community.wowza.com/t/why-not-have-fullscreen-api-for-javascript/49473 "2019-07-11T09:12:48Z")
Why not have fullscreen API for JavaScript ?? every great players have many APIs… please… --- ## [eclipse not running](https://community.wowza.com/t/eclipse-not-running/53634)
**Author:** [@levente\_szabo](https://community.wowza.com/u/levente_szabo)\ **Replies:** 4\ **Last updated:** [July 11, 2019, 6:43am UTC](https://community.wowza.com/t/eclipse-not-running/53634 "2019-07-11T06:43:13Z")
After i install wowza ide(https://www.wowza.com/docs/how-to-extend-wowza-streaming-engine-using-the-wowza-ide#install-the-wowza-ide) eclipse didnt work. And i got this message in eclipse log : !SESSION 2019-07-10 10:56:… --- ## [The stream quality recorded from Android is low as compared to iOS ?](https://community.wowza.com/t/the-stream-quality-recorded-from-android-is-low-as-compared-to-ios/53597)
**Author:** [@Frederick\_Ackroyd](https://community.wowza.com/u/Frederick_Ackroyd)\ **Replies:** 11\ **Last updated:** [July 10, 2019, 10:11pm UTC](https://community.wowza.com/t/the-stream-quality-recorded-from-android-is-low-as-compared-to-ios/53597 "2019-07-10T22:11:49Z")
The stream quality recorded from Android is low as compared to iOS but frame size is the same on both sides 640x480. Can you please explain the reason why stream quality is low on the android side. Is there any issue in … --- ## [SRT always return status error when publishing by GoCoder](https://community.wowza.com/t/srt-always-return-status-error-when-publishing-by-gocoder/53612)
**Author:** [@chi\_nk2](https://community.wowza.com/u/chi_nk2)\ **Replies:** 7\ **Last updated:** [July 10, 2019, 5:15pm UTC](https://community.wowza.com/t/srt-always-return-status-error-when-publishing-by-gocoder/53612 "2019-07-10T17:15:08Z")
When I publish stream by GoCoder Android I config Gocoder info is: Host: wowza server ip Port: 1935 Application: live Streamname: myStream I config SRT like bellow Stream Target: myStreamSRT Source Stream Name: m… --- ## [Audio Problem in Video recording using MP4Writer in iOS.](https://community.wowza.com/t/audio-problem-in-video-recording-using-mp4writer-in-ios/53601)
**Author:** [@Frederick\_Ackroyd](https://community.wowza.com/u/Frederick_Ackroyd)\ **Replies:** 4\ **Last updated:** [July 10, 2019, 1:20pm UTC](https://community.wowza.com/t/audio-problem-in-video-recording-using-mp4writer-in-ios/53601 "2019-07-10T13:20:13Z")
Hi Support, I am facing an issue when video is recorded using MP4Writer in iOS. When we play saved stream on android player its audio is muted but same stream is playing fine on iOS with no audio issue. I shared a samp… --- ## [Where is the file location of transcoded video fragments from the incoming video stream?](https://community.wowza.com/t/where-is-the-file-location-of-transcoded-video-fragments-from-the-incoming-video-stream/53609)
**Author:** [@Oscar\_WONG](https://community.wowza.com/u/Oscar_WONG)\ **Replies:** 2\ **Last updated:** [July 10, 2019, 10:41am UTC](https://community.wowza.com/t/where-is-the-file-location-of-transcoded-video-fragments-from-the-incoming-video-stream/53609 "2019-07-10T10:41:21Z")
Where is the file location of transcoded video fragments from the incoming video stream? I would like to check the size of those video fragments in my Win10 during the live stream. (I need to compare the size of transco… --- ## [Streaming Cloud vs Streaming Engine](https://community.wowza.com/t/streaming-cloud-vs-streaming-engine/53629)
**Author:** [@Manny\_Lewis](https://community.wowza.com/u/Manny_Lewis)\ **Replies:** 2\ **Last updated:** [July 10, 2019, 12:34am UTC](https://community.wowza.com/t/streaming-cloud-vs-streaming-engine/53629 "2019-07-10T00:34:48Z")
I am documenting a 10K with a drone and will be using a RTMP stream to send the footage to the finish line. Would it make sense to use the Streaming Cloud with the 30 second latency or try bringing a laptop and using th… --- ## [Adaptive Bitrate Streaming: What it is and Why it Matters](https://community.wowza.com/t/adaptive-bitrate-streaming-what-it-is-and-why-it-matters/53631)
**Author:** [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\ **Replies:** 0\ **Last updated:** [July 9, 2019, 11:58pm UTC](https://community.wowza.com/t/adaptive-bitrate-streaming-what-it-is-and-why-it-matters/53631 "2019-07-09T23:58:07Z")
To connect with users — no matter where they are — you need adaptive bitrate streaming. That way, you can deliver high-quality streams to users with outstanding bandwidth and processing power, while also accommodating t… --- ## [Can you use a USB webcam instead of the phones built in cameras](https://community.wowza.com/t/can-you-use-a-usb-webcam-instead-of-the-phones-built-in-cameras/48280)
**Author:** [@Kellen\_Garrett](https://community.wowza.com/u/Kellen_Garrett)\ **Replies:** 4\ **Last updated:** [July 9, 2019, 10:07pm UTC](https://community.wowza.com/t/can-you-use-a-usb-webcam-instead-of-the-phones-built-in-cameras/48280 "2019-07-09T22:07:39Z")
Missing title. Missing body. --- ## [how to make 2 tracks stay in the same group on DASH?](https://community.wowza.com/t/how-to-make-2-tracks-stay-in-the-same-group-on-dash/53623)
**Author:** [@Oscar\_WONG](https://community.wowza.com/u/Oscar_WONG)\ **Replies:** 3\ **Last updated:** [July 9, 2019, 5:35pm UTC](https://community.wowza.com/t/how-to-make-2-tracks-stay-in-the-same-group-on-dash/53623 "2019-07-09T17:35:43Z")
manifes.txt \<- mpd file by DASH playback URL May I ask for your help, please? I am using my created Transcoder presets to encode a 720p and a 240p video to stream out to audience mobile. However, those videos formats ar… --- ## [Application.xml does not exist](https://community.wowza.com/t/application-xml-does-not-exist/53621)
**Author:** [@Eli\_Richey](https://community.wowza.com/u/Eli_Richey)\ **Replies:** 17\ **Last updated:** [July 9, 2019, 5:21pm UTC](https://community.wowza.com/t/application-xml-does-not-exist/53621 "2019-07-09T17:21:43Z")
I’ve been working on a streaming app. After starting my Wowza Streaming Engine server, I get the following error in xCode console: An error occurred when trying to connect to host. So I looked in the server logs and fou… --- ## [Will the standard GoCoder app from the App & Play stores now support SRT?](https://community.wowza.com/t/will-the-standard-gocoder-app-from-the-app-play-stores-now-support-srt/53110)
**Author:** [@Michael\_Williams](https://community.wowza.com/u/Michael_Williams)\ **Replies:** 4\ **Last updated:** [July 9, 2019, 4:40pm UTC](https://community.wowza.com/t/will-the-standard-gocoder-app-from-the-app-play-stores-now-support-srt/53110 "2019-07-09T16:40:16Z")
Will the standard GoCoder app from the App & Play stores now support SRT? --- ## [playback security - Include client Ip in hash generation -want to exclude last digit](https://community.wowza.com/t/playback-security-include-client-ip-in-hash-generation-want-to-exclude-last-digit/53628)
**Author:** [@Silencer](https://community.wowza.com/u/Silencer)\ **Replies:** 0\ **Last updated:** [July 9, 2019, 12:41pm UTC](https://community.wowza.com/t/playback-security-include-client-ip-in-hash-generation-want-to-exclude-last-digit/53628 "2019-07-09T12:41:35Z")
Hi, I use wowza secure token v2 + include client ip in hash generation. Seem work well but some of our mobile internet user said they have a error and stream didn’t load. I check the log and their last ip digit mismat… --- ## [Wowza serving mpeg-dash manifest.mpd behind an apache proxy](https://community.wowza.com/t/wowza-serving-mpeg-dash-manifest-mpd-behind-an-apache-proxy/53619)
**Author:** [@charles\_mackay](https://community.wowza.com/u/charles_mackay)\ **Replies:** 2\ **Last updated:** [July 9, 2019, 7:42am UTC](https://community.wowza.com/t/wowza-serving-mpeg-dash-manifest-mpd-behind-an-apache-proxy/53619 "2019-07-09T07:42:33Z")
I have a very simple situation that i am struggling to solve. I have one server hosting both apache and wowza streaming engine. Apache is listening to port 443 and serving web content. I have wowza serving secure strea… --- ## [Is there any "few-to-many WebRTC broadcast" example available?](https://community.wowza.com/t/is-there-any-few-to-many-webrtc-broadcast-example-available/53615)
**Author:** [@Danish\_Nadaf](https://community.wowza.com/u/Danish_Nadaf)\ **Replies:** 2\ **Last updated:** [July 9, 2019, 6:01am UTC](https://community.wowza.com/t/is-there-any-few-to-many-webrtc-broadcast-example-available/53615 "2019-07-09T06:01:12Z")
I have been reading about WebRTC video feature of wowza and its use cases for around couple of weeks now. I also did successful setup using wowza streaming engine (for WebRTC) with this link - https://www.wowza.com/docs/… --- ## [specify schemeIdUri on mpd file for auto switching](https://community.wowza.com/t/specify-schemeiduri-on-mpd-file-for-auto-switching/53625)
**Author:** [@Oscar\_WONG](https://community.wowza.com/u/Oscar_WONG)\ **Replies:** 2\ **Last updated:** [July 9, 2019, 12:30am UTC](https://community.wowza.com/t/specify-schemeiduri-on-mpd-file-for-auto-switching/53625 "2019-07-09T00:30:50Z")
Since the AdaptationSet are separated on mpd file, the player cannot switch them if they are not in the same group. Instead, how could I specify the “urn:mpeg adaptation-set-switching:2016” property on mpd file to speci… --- ## [hello, my license key is expired, why?](https://community.wowza.com/t/hello-my-license-key-is-expired-why/53617)
**Author:** [@jin\_hjun](https://community.wowza.com/u/jin_hjun)\ **Replies:** 1\ **Last updated:** [July 8, 2019, 11:22pm UTC](https://community.wowza.com/t/hello-my-license-key-is-expired-why/53617 "2019-07-08T23:22:31Z")
my stream license key is expired. it because of i didn’t put in my payment account. now i did it, but i still can’t use my license key… can you try check about it? --- ## [Wowza Player and Intranet (No internet access)](https://community.wowza.com/t/wowza-player-and-intranet-no-internet-access/53042)
**Author:** [@Chris\_Ditty](https://community.wowza.com/u/Chris_Ditty)\ **Replies:** 6\ **Last updated:** [July 5, 2019, 5:46pm UTC](https://community.wowza.com/t/wowza-player-and-intranet-no-internet-access/53042 "2019-07-05T17:46:50Z")
We are looking at Wowza Server and the player for our users. The server will have internet access but the players won’t. Is there any issue for the player to not have internet access? Is it required? --- ## [Unable to Run Wowza GoCoder with React Native](https://community.wowza.com/t/unable-to-run-wowza-gocoder-with-react-native/53509)
**Author:** [@Yehan\_Pemarathne](https://community.wowza.com/u/Yehan_Pemarathne)\ **Replies:** 2\ **Last updated:** [July 5, 2019, 5:42pm UTC](https://community.wowza.com/t/unable-to-run-wowza-gocoder-with-react-native/53509 "2019-07-05T17:42:37Z")
I’m following the information at: https://www.npmjs.com/package/react-native-wowza-gocoder I could integrate the SDK finally, figuring out some integration issues. But when I run it on Android (did not run it on iOS ye… [Previous page](https://community.wowza.com/latest.md?page=101) [Next page](https://community.wowza.com/latest.md?page=103)