# Wowza Streaming Engine **URL:** https://community.wowza.com/c/wowza-streaming-engine/8.md?page=264 [Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md) **Page:** 265 --- ## [Wowza Server 3.6.2 and RTSP Black Screen problem](https://community.wowza.com/t/wowza-server-3-6-2-and-rtsp-black-screen-problem/41687)
**Author:** [@alexey\_kremnev](https://community.wowza.com/u/alexey_kremnev)\ **Replies:** 5\ **Last updated:** [December 11, 2013, 12:23am UTC](https://community.wowza.com/t/wowza-server-3-6-2-and-rtsp-black-screen-problem/41687 "2013-12-11T00:23:24Z")
Good afternoon. I had a problem in using WowzaServer 3.6.2. I installed Wowza Trial on your Windows Server 2008, I set up a video broadcast rtsp stream with my video camera. Then plugged in instead of the old DVR new, 16… --- ## [Chunklist.m3u8 on version 3.1.2](https://community.wowza.com/t/chunklist-m3u8-on-version-3-1-2/38357)
**Author:** [@Myumyu\_Takoyaki](https://community.wowza.com/u/Myumyu_Takoyaki)\ **Replies:** 9\ **Last updated:** [December 10, 2013, 7:32pm UTC](https://community.wowza.com/t/chunklist-m3u8-on-version-3-1-2/38357 "2013-12-10T19:32:00Z")
Hi, We upgraded our wowza server to version 3.1.2, and now when using Cupertino streaming it returns a chunklist.m3u8 not playlist.m3u8. I don’t know if this is suppose to make any difference, but the videos are not pl… --- ## [DoS Attack (UDP Flood)](https://community.wowza.com/t/dos-attack-udp-flood/40474)
**Author:** [@Gordan\_Grgurina](https://community.wowza.com/u/Gordan_Grgurina)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 11:09am UTC](https://community.wowza.com/t/dos-attack-udp-flood/40474 "2013-12-10T11:09:46Z")
Hi, I’m experiencing a problem. Streaming is not always available. It 10 minutes works, and 10 minutes not. I suspected the network card since it has a known problem with the version of Ubuntu that I use. So I changed t… --- ## [Livestream playback issue with android when transcoding !!](https://community.wowza.com/t/livestream-playback-issue-with-android-when-transcoding/41667)
**Author:** [@shahzaib\_cb](https://community.wowza.com/u/shahzaib_cb)\ **Replies:** 5\ **Last updated:** [December 10, 2013, 5:44am UTC](https://community.wowza.com/t/livestream-playback-issue-with-android-when-transcoding/41667 "2013-12-10T05:44:42Z")
Hello, We’re decoding livestreaming into different bitrates i.e 360,160p using wowza transcoder addon (ngrp) to playback livestream in IOS and android devices. The decoding is only to AAC(44100Hz) for audio as video i… --- ## [How to encode RCA out to IP with WOWZA](https://community.wowza.com/t/how-to-encode-rca-out-to-ip-with-wowza/41678)
**Author:** [@Andre\_Brudeur](https://community.wowza.com/u/Andre_Brudeur)\ **Replies:** 3\ **Last updated:** [December 7, 2013, 9:51pm UTC](https://community.wowza.com/t/how-to-encode-rca-out-to-ip-with-wowza/41678 "2013-12-07T21:51:34Z")
Good day everyone. I tried and tried googling how to do this and the closest i got was Wowza but i am still not sure how to do it. If I have a device with RCA out, how do I stream it compressed to H.264 with wowza? --- ## [Config aliasmap.stream.txt for edge transcode](https://community.wowza.com/t/config-aliasmap-stream-txt-for-edge-transcode/40819)
**Author:** [@andy\_choode](https://community.wowza.com/u/andy_choode)\ **Replies:** 12\ **Last updated:** [December 7, 2013, 2:36pm UTC](https://community.wowza.com/t/config-aliasmap-stream-txt-for-edge-transcode/40819 "2013-12-07T14:36:14Z")
Firstly, I always set the following config to approach the re-streaming. in edge server - aliasmap.stream.txt origin1/\*=wowz://\[origin1 ip\]/${Application.Name}/${AppInstance.Name}/${Stream.Name.Part2} in edge server -… --- ## [UDP Unicast ---\> (UDP Multicast, RTSP Live Streaming)](https://community.wowza.com/t/udp-unicast-udp-multicast-rtsp-live-streaming/41675)
**Author:** [@konukko\_chetta](https://community.wowza.com/u/konukko_chetta)\ **Replies:** 1\ **Last updated:** [December 6, 2013, 11:51pm UTC](https://community.wowza.com/t/udp-unicast-udp-multicast-rtsp-live-streaming/41675 "2013-12-06T23:51:54Z")
Hello Folks, Newbie here. I am working on a problem where the Media Server is receiving UDP video in the MPEG4-TS format. I would like the server to multicast it as well as Live Stream it. The live streaming part is eas… --- ## [Is server down automatically for some reasons?](https://community.wowza.com/t/is-server-down-automatically-for-some-reasons/41644)
**Author:** [@Zafarbek\_Ibrohimov](https://community.wowza.com/u/Zafarbek_Ibrohimov)\ **Replies:** 7\ **Last updated:** [December 6, 2013, 10:57pm UTC](https://community.wowza.com/t/is-server-down-automatically-for-some-reasons/41644 "2013-12-06T22:57:54Z")
Hi, Our app has a live chat feature. For that purposes, we have used Flashcoms running on Wowza Media Server on Amazon EC2. The application is LIVE and has couple thousand users everyday. Our dev team has been reporte… --- ## [Video chat in android](https://community.wowza.com/t/video-chat-in-android/41600)
**Author:** [@Kameswari\_Elindra](https://community.wowza.com/u/Kameswari_Elindra)\ **Replies:** 11\ **Last updated:** [December 6, 2013, 1:48pm UTC](https://community.wowza.com/t/video-chat-in-android/41600 "2013-12-06T13:48:13Z")
Hi, Can anyone help me on how to implement video chat in android mobile apps with Wowza server? No idea on where to start and how to proceed. Many thanks in advance. Regards, Kameswari --- ## [Increase number of .TS chunks downloaded](https://community.wowza.com/t/increase-number-of-ts-chunks-downloaded/41028)
**Author:** [@Tim\_Kelly](https://community.wowza.com/u/Tim_Kelly)\ **Replies:** 4\ **Last updated:** [December 6, 2013, 12:10pm UTC](https://community.wowza.com/t/increase-number-of-ts-chunks-downloaded/41028 "2013-12-06T12:10:58Z")
Hi Wowza, Love your product and your support. I am live streaming HTTP via Cloudfront, with JW 6. I’m finding it all works really well. However, I am getting inconsistent network performance with Amazon (heading to the… --- ## [iOS HTTP streaming playback failure](https://community.wowza.com/t/ios-http-streaming-playback-failure/40085)
**Author:** [@Maxim\_Grossu](https://community.wowza.com/u/Maxim_Grossu)\ **Replies:** 4\ **Last updated:** [December 5, 2013, 4:08pm UTC](https://community.wowza.com/t/ios-http-streaming-playback-failure/40085 "2013-12-05T16:08:43Z")
I have created an UDP to HTTP video re-stream that has the video layer encoded in H.264 MPEG 4 and audio encoded in Mpeg AAC 48000 128 kbps. When I try to play this stream in iOS, there’s only audio and no video. VLC p… --- ## [How does Wowza determine the frame rate and bit rate of a RTSP stream?](https://community.wowza.com/t/how-does-wowza-determine-the-frame-rate-and-bit-rate-of-a-rtsp-stream/41642)
**Author:** [@snip3rboy\_nyc](https://community.wowza.com/u/snip3rboy_nyc)\ **Replies:** 3\ **Last updated:** [December 5, 2013, 9:34am UTC](https://community.wowza.com/t/how-does-wowza-determine-the-frame-rate-and-bit-rate-of-a-rtsp-stream/41642 "2013-12-05T09:34:26Z")
Wowza rookie here :slight\_smile: and I tried to look for this info in the forum threads… I have the following setup: source (RTSP h.264) \> Wowza \> VLC client If I have the source adjust the bit rate/frame rate midstre… --- ## [HLS key rotation is wrong](https://community.wowza.com/t/hls-key-rotation-is-wrong/41586)
**Author:** [@joh\_sun](https://community.wowza.com/u/joh_sun)\ **Replies:** 3\ **Last updated:** [December 4, 2013, 2:32pm UTC](https://community.wowza.com/t/hls-key-rotation-is-wrong/41586 "2013-12-04T14:32:30Z")
Hi, I used the onHTTPCupertinoEncryptionKeyVODChunk to encypt the HLS Vod, when I add the key rotation feature: encInfo.setEncMethod(CupertinoEncInfo.METHOD\_AES\_128); if( ( chunkId ) \>= 4 ) { encInfo.setEncUrl(“http:… --- ## [Disable HLS streaming](https://community.wowza.com/t/disable-hls-streaming/41632)
**Author:** [@mAI\_aNH](https://community.wowza.com/u/mAI_aNH)\ **Replies:** 10\ **Last updated:** [December 3, 2013, 8:03pm UTC](https://community.wowza.com/t/disable-hls-streaming/41632 "2013-12-03T20:03:04Z")
I use RTMPE in PC not use HLS in mobile. But another server get my HLS streaming link . I want to save my bandwidth . Example : My RTMPE link : rtmpe://mydomian.com:1935/media4/mystream Another server change my rtmpe … --- ## [Gstreamer and Decklink video but no audio](https://community.wowza.com/t/gstreamer-and-decklink-video-but-no-audio/41665)
**Author:** [@Kevin\_Lindgren](https://community.wowza.com/u/Kevin_Lindgren)\ **Replies:** 0\ **Last updated:** [December 2, 2013, 3:40pm UTC](https://community.wowza.com/t/gstreamer-and-decklink-video-but-no-audio/41665 "2013-12-02T15:40:27Z")
Hello, I am currently trying to take the SDI source from a Black Magic Decklink card and send it to WOWZA for streaming, and eventually transcoding once I get the streaming working. I am using Gstreamer and Decklinksrc … --- ## [Live streaming stuck on smooth player, works fine on HLS player (iPad)](https://community.wowza.com/t/live-streaming-stuck-on-smooth-player-works-fine-on-hls-player-ipad/34179)
**Author:** [@Alex\_Knurenko](https://community.wowza.com/u/Alex_Knurenko)\ **Replies:** 1\ **Last updated:** [December 2, 2013, 11:56am UTC](https://community.wowza.com/t/live-streaming-stuck-on-smooth-player-works-fine-on-hls-player-ipad/34179 "2013-12-02T11:56:23Z")
Hi, I have a live application on my server, which also doubles as HTTP caching origin. I stream to the app 2 streams from FMLE, and, for some reason, rtmp, hls streams work fine, while smmoth stream gets stuck after the… --- ## [Live stream taking 10-20 seconds to load for the first time.](https://community.wowza.com/t/live-stream-taking-10-20-seconds-to-load-for-the-first-time/41662)
**Author:** [@Michal\_Krmencik](https://community.wowza.com/u/Michal_Krmencik)\ **Replies:** 2\ **Last updated:** [December 2, 2013, 10:58am UTC](https://community.wowza.com/t/live-stream-taking-10-20-seconds-to-load-for-the-first-time/41662 "2013-12-02T10:58:46Z")
Encoder \> Edge (wowza) \> Browser using HLS and RTSP URLs Works perfectly on pc/mac and apple devices. Only on Android devices the live stream takes 15 seconds to load. Once it’s playing, the stream runs fine. Cr… --- ## [HTTPStreamerAdapterCupertinoStreamer.onPlaylist: Stream not found](https://community.wowza.com/t/httpstreameradaptercupertinostreamer-onplaylist-stream-not-found/41610)
**Author:** [@David\_Howard](https://community.wowza.com/u/David_Howard)\ **Replies:** 4\ **Last updated:** [December 2, 2013, 10:17am UTC](https://community.wowza.com/t/httpstreameradaptercupertinostreamer-onplaylist-stream-not-found/41610 "2013-12-02T10:17:40Z")
Hi there I’ve spent more time with wowza this last week then my wife. She’s pissed. Anyway, I think I finally got stuff working - she’ll be happy now. I’ve kept on having issues with watching live video on an i-phone and… --- ## [live streaming from android sdp problem...](https://community.wowza.com/t/live-streaming-from-android-sdp-problem/41648)
**Author:** [@Mauro\_Sacco](https://community.wowza.com/u/Mauro_Sacco)\ **Replies:** 1\ **Last updated:** [December 2, 2013, 8:33am UTC](https://community.wowza.com/t/live-streaming-from-android-sdp-problem/41648 "2013-12-02T08:33:55Z")
Good evening, I’m new to Wowza, Streaming and related questions. I’m trying to write an Android application to streaming live video from device’s camera to Wowza. I have read lot tutorials and how-to from your site an… --- ## [Transcoding Solution For Legacy MJPEG Cameras](https://community.wowza.com/t/transcoding-solution-for-legacy-mjpeg-cameras/35681)
**Author:** [@Steve\_McFarlin](https://community.wowza.com/u/Steve_McFarlin)\ **Replies:** 4\ **Last updated:** [December 1, 2013, 2:50pm UTC](https://community.wowza.com/t/transcoding-solution-for-legacy-mjpeg-cameras/35681 "2013-12-01T14:50:44Z")
See the last post for the final solution. The solution in this post has some issues. However, it can still be used after hacking ffmpeg.c. I thought I would share my solution for streaming legacy MJPEG network cameras t… --- ## [Http Live Streaming issues at lower frame rates](https://community.wowza.com/t/http-live-streaming-issues-at-lower-frame-rates/41620)
**Author:** [@Manu\_Martin](https://community.wowza.com/u/Manu_Martin)\ **Replies:** 2\ **Last updated:** [November 29, 2013, 4:49pm UTC](https://community.wowza.com/t/http-live-streaming-issues-at-lower-frame-rates/41620 "2013-11-29T16:49:27Z")
Hi, I have been trying to get the lowest possible latency for http live stream into iPad. The delay is now around 5 sec for the streams with a frame rate 8 and above. I have set the key frame rate to be 1 in all cases. … --- ## [Question about : SendBufferSize / ReceiveBufferSize](https://community.wowza.com/t/question-about-sendbuffersize-receivebuffersize/41631)
**Author:** [@mAI\_aNH](https://community.wowza.com/u/mAI_aNH)\ **Replies:** 7\ **Last updated:** [November 28, 2013, 7:00pm UTC](https://community.wowza.com/t/question-about-sendbuffersize-receivebuffersize/41631 "2013-11-28T19:00:53Z")
Hi . My website is movie website (my server use FTTH 1GB), How can i set SendBufferSize / ReceiveBufferSize to client watch movie HD (Resolution:1280\* 720 ,Bit Rate:1499 kbps ,Frame Rate:24) fastest . If client use Adsl… --- ## [Prevent users from downloading RTMP video through internet download manager.](https://community.wowza.com/t/prevent-users-from-downloading-rtmp-video-through-internet-download-manager/41626)
**Author:** [@mAI\_aNH](https://community.wowza.com/u/mAI_aNH)\ **Replies:** 6\ **Last updated:** [November 28, 2013, 6:59pm UTC](https://community.wowza.com/t/prevent-users-from-downloading-rtmp-video-through-internet-download-manager/41626 "2013-11-28T18:59:05Z")
Hi, I’m using Wowza RTMP and JWPlayer 6.7 to play video/mp4 on my website but when i click on Play button of Jwplayer IDM download button appears and users can download my video . Can i prevent users from downloading RT… --- ## [QuickSync not working on Ubuntu 13.04](https://community.wowza.com/t/quicksync-not-working-on-ubuntu-13-04/41557)
**Author:** [@Kien\_Nguyen\_Huu](https://community.wowza.com/u/Kien_Nguyen_Huu)\ **Replies:** 13\ **Last updated:** [November 28, 2013, 4:42pm UTC](https://community.wowza.com/t/quicksync-not-working-on-ubuntu-13-04/41557 "2013-11-28T16:42:41Z")
Hi, I have a machine using intell core i7 4770, and i have installed Ubuntu 13.04, and graphics driver. when i run vainfo, i have : libva info: VA-API version 0.34.0 libva info: va\_getDriverName() returns 0 libva in… --- ## [How to split the video streaming screen to display different content](https://community.wowza.com/t/how-to-split-the-video-streaming-screen-to-display-different-content/41449)
**Author:** [@Amit\_Pednekar](https://community.wowza.com/u/Amit_Pednekar)\ **Replies:** 1\ **Last updated:** [November 28, 2013, 2:35pm UTC](https://community.wowza.com/t/how-to-split-the-video-streaming-screen-to-display-different-content/41449 "2013-11-28T14:35:37Z")
Hi, I am using wowza to stream classroom lectures online I am using jwplayer to view the live stream. Is it possible for me to stream powerpoint presentation into split screen i.e half screen would display the classroom… --- ## [HLS Live Stream player emulators?](https://community.wowza.com/t/hls-live-stream-player-emulators/40186)
**Author:** [@Gary\_Sirois](https://community.wowza.com/u/Gary_Sirois)\ **Replies:** 2\ **Last updated:** [November 27, 2013, 11:00am UTC](https://community.wowza.com/t/hls-live-stream-player-emulators/40186 "2013-11-27T11:00:52Z")
Hi all, just curious if anyone has ever used a HLS Live stream player emulator to emulate multiple HLS player live camera requests to a Wowza Server? We would like this to be smart enough to parse the playlist file and m… --- ## [Proper HTML5 Hotlink Protection](https://community.wowza.com/t/proper-html5-hotlink-protection/41552)
**Author:** [@Stephen\_N\_a](https://community.wowza.com/u/Stephen_N_a)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 4:17pm UTC](https://community.wowza.com/t/proper-html5-hotlink-protection/41552 "2013-11-26T16:17:20Z")
Hello There, I’ve googled to the end of the earth to find the right solution for this without leading to confusion and its to do with security and hotlinking. We have been plagued with people hotlinking without even a m… --- ## [How authentication function of DRM works ?](https://community.wowza.com/t/how-authentication-function-of-drm-works/40941)
**Author:** [@Manh\_Hung\_Nguyen](https://community.wowza.com/u/Manh_Hung_Nguyen)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 1:06pm UTC](https://community.wowza.com/t/how-authentication-function-of-drm-works/40941 "2013-11-26T13:06:16Z")
Hi everybody, I 'm a wowza newbie. I read some articles about DRM, but it just say about DRM encryption. What about DRM authentication? May I use a CA server for Wowza DRM authentication? Thank all. --- ## [High Cpu usage AMD Opteron Dual CPU Server.](https://community.wowza.com/t/high-cpu-usage-amd-opteron-dual-cpu-server/33828)
**Author:** [@ceyhun\_ceyhun](https://community.wowza.com/u/ceyhun_ceyhun)\ **Replies:** 1\ **Last updated:** [November 26, 2013, 10:11am UTC](https://community.wowza.com/t/high-cpu-usage-amd-opteron-dual-cpu-server/33828 "2013-11-26T10:11:14Z")
Hi I am first time run wowza in AMD platform. But i see performance problem. Server Config : Windows 2008 R2 SP1 64 Bit. 2 X AMD Opteron 6276 Cpu @ 2.30 Ghz. 32 GB Ram 4\*1 gbps Teammed Network connection total 4 gb… --- ## [is this multicast or unicast?](https://community.wowza.com/t/is-this-multicast-or-unicast/41637)
**Author:** [@haserdene\_batmunkh](https://community.wowza.com/u/haserdene_batmunkh)\ **Replies:** 2\ **Last updated:** [November 26, 2013, 6:23am UTC](https://community.wowza.com/t/is-this-multicast-or-unicast/41637 "2013-11-26T06:23:47Z")
i hired someone to convert multicast streams from lan into unicast so that i can see the streams from a remote location using the internet. the stream is really choppy and i was given this address: http://XXX.XXX.XXX.XX… [Previous page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=263) [Next page](https://community.wowza.com/c/wowza-streaming-engine/8.md?page=265)