Media Server :: Switching Bitrate Of Live Content?
Sep 14, 2010
is it possible to receive live stream at bitrate lower than that which video is being recorded with? How to accomplish that? I know that play2 from NetStream class allows to switch between recorded videos at different bitrates, but what about live content? I cannot simply set bandwidth to lower using FMS because i need to be sure that framerate won't be affected, and there are also other simultaneous streams playing .
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Jun 23, 2010
I have FMIS 3.5.I've installed it with pretty much all the default values.I haven't changed any of the settings in either the LIVE or the VOD applications.Dynamic Bitrate Switching is working well for VOD, but not working at all for LIVE streams.Doing a regular bandwidth detection on both the LIVE and the VOD applications give similar, high bandwidth results. However, the LIVE application NetStreamInfo.maxBytesPerSecond is showing a very low bandwidth capability of around maxBytesPerSecond = 19016, where as for the VOD its achieving around 637110.I can play a single LIVE stream of a high quality smoothly without any error.
I don't know if this is relevent but I'm getting some error messages occassionally in the log of the live application saying : Dropping application (live/_definst_) message. Clients not allowed to broadcast message.These messages aren't consistent, and don't coincide with trying to use bitrate switching.I have tried downloading the Adobe sample StreamSwitching. fla and it won't play the LIVE streams at all.Using the opensource Longtail Video player it just always defaults to the lowest stream.Here is an example: http:[url]....
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Mar 20, 2011
I am running a website similar to Ustream and Justin and i am using Linux dedicated server, that have FMS 3.5 Installed. On My site registered broadcasters can stream their live video.
I want to know how can i limit the broadcasters so that they cannot broadcast a live video more then 512bitrate in their encoder.
currently any broadcaster can broadcast a live channel at any bitrate he wants and that is consuming too much of my server's bandwidth.
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Jan 3, 2010
I would like to know if there is a solution available that allows me to plug 2 HDV cameras into a laptop and live switch between the 2 cameras while uploading the live stream via adobe flash media live encoder to the adobe streaming server? the scenario is I want to offer live streaming of corporate seminars that I normally shoot with 2 cameras.
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Jul 30, 2010
So far , I only found tutorials on control these attributes while publishing the stream
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Jul 20, 2010
I am passing to the source property of a VideoDisplay component a DynamicStreamingVideoSource object with 3 different dynamic live stream items, described by this XML, for your consideration:
src="rtmp://88.87.56.214:1935/live/fashiontv_tmo_h.stream" bitrate="19200"
src="rtmp://88.87.56.214:1935/live/fashiontv_tmo_m.stream" bitrate="9000"
src="rtmp://88.87.56.214:1935/live/fashiontv_tmo_l.stream" bitrate="3600"
But the player then runs the stream with the lowest bitrate, out of those 3. Wasn't it supposed to go for the stream with the highest bitrate, that is viewable by the end-user? All 3 streams have been individually tested and they are all viewable.
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Mar 4, 2008
I read a blog article http:(url......)talking about switching between different bit rate video streams of the same video content on fly.But I can not find such ability in RTMP's specification.I am wondering if such function has to be implemented by users with ActionScript?
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Feb 24, 2010
I am having troubles finding a way to switch videos during a live stream. For example, broadcasting a show and switching to a commercial and then back to the live feed.
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Dec 6, 2011
We purchased Flash Media Streaming Server Interactive edition in order to have the security featuers of not allowing unauthorized connections streaming live content to the server. Is there a document with procedures that details how to make this happen, the allowedHTMLdomains.txt does not work when you place in IP ranges that you do not want connecting. I need some help just to figure out a way to keep someoen from connecting to the server and not streaming live content. Has anyone configured this in Linux because the documentation is mainly for Windows. Any help/advice would be great since this seems to be a common problem for anyone who runs Linux.
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Jan 4, 2010
I have a requirement of publishing static content like video files mentioned in a playlist to be published to a live stream. It is like creating a TV station with pre-recorded content but with live stream. It will great if anyone let me know is it possible with FMS?
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Mar 17, 2010
this may be really dumb question, but I haven't figured it out. Is it possible to stream to ustream with lets say 300 bitrate and record 1000 bitrate video to computer
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Oct 9, 2010
we are using RTMP with Flowplayer with dynamic bitrate switching and I'm a bit confused on the bitrate (kbps) that is called out in the code in order to configure the bandwidth check. I presume that this is the target bitrate if encoding using ABR or constant. How about for the rest of us that are using CRF? My understanding is that CRF is the way to go now for H264 (don't want to hijack the thread to a CRF vs ABR discussion). If we are using CRF, can we guess on the target bitrate that is called out in the bwcheck plugin?
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Feb 25, 2010
We are successfully using Captivate 4 to create SWF files leveraging a Flash Streaming Media Server hosted on a CDN.My question is, does anyone know how to leverage the dynamic streaming / adaptive bitrate feature in FMS 3.5 with a Captivate file? I have spent an entire day searching all over Adobe forums and am surprised to see this is not documented ANYWHERE and given Captivate REQUIRES FMS to stream, it would be incredibly poor design if it cannot leverage the best feature FMS has to offer!
We publish to Flash Player 10, and while FP 10 IS compatible with dynamic streaming, my challenge is Captivate only allows one URI path and one stream name.To deliver dynamic streaming you have to have several files with different encode rates availalbe. But if Captivate only allows one stream name,how do you point it to a stream that finds all the alternative files? I've explored this with 3 different CDNs and they don't know how to do it(Limelight, CDNetworks and Internap)
The reason I'm so interested is we are delivering a Moodle hosted eLearning course to users around the globe with VERY different internet speeds.We've followed all the best practices in encoding and this is the next step in making our course accessble to ALL users.For those interested,our files are mostly less than 10 MB, though some are as much as 50 MB, all encoded at 500 kbps.
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Sep 22, 2011
I want to deliver HD Video in different bitrate based on enduser's bandwidth.Also enduser should able to change the bit rate like 200p, 700p, 1500p.
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Dec 19, 2011
I'm using the Niagara 4100 streaming appliance to encode a live multiple bitrate streams for an event. The problem is the Niagara encoder doesn't allow me to attach an event name to the stream url like - 'streamevent%i?adbe-live-event=liveevent', instead it only allows 'streamevent%i'. So in the end I get three seperate events with a stream for each event.
Like so:
Example:
/Events/streamevent1/MNMMNNMxxxxx.stream
/Events/streamevent2/MNMMNNMxxxxx.stream
/Events/streamevent3/MNMMNNMxxxxx.stream
AND
/Streams/streamevent1/files
/Streams/streamevent2/files
/Streams/streamevent3/files
Is it possible to make it work this way without using the 'adbe-live-event' parameter using the .f4m manifest file?
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Aug 23, 2010
I have Flash Media Streaming Server 3.5 (not Interactive) running on RHEL5.5 x86_64 Linux.All is working well, however how do I prevent unauthorized access to connecting to the live stream and streaming content?How can I setup the server to require a user and password to stream live media to the server?I am new to this product and I have been reading some documentation but I have not found a clear cut answer on how to force a username and password to connect to the server to stream live content only.I am using the Adobe FMS Apache install, what files need changing?[code]I want to lock down a person from connecting to the server on the public internet and starting a live stream?Can this be done with a user name and password?
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Feb 3, 2010
I'm running Flash Media Streaming Server and have only been serving VOD up until now. I had my network administrator open up port 1935 to the outside world during the setup process and now I can't remember if that was actually required for streaming VOD to clients. Most documentation I've read says that this port should be open, but I seem to recall reading something at one point that suggested it wasn't necessary.
I've just started messing around with publishing live streams using Flash Media Live Encoder to the Flash Media Streaming Server. I have that working without issue but was surprised to find that no authentication is required before a client running the live encoder can publish a stream to the Flash Media Streaming Server. An authentication module is available however it only works with Flash Media Interactive Server and Flash Media Development Server.
If I leave port 1935 open to the outside world, there would be nothing to stop anybody anywhere from streaming video via my server. Anyone else running a default install of Flash Media Streaming Server and with port 1935 open to the outside should see that this is true of their setup as well. I'm wondering if I can safely close port 1935 without limiting the functionality of the server or if there's some way I can require authentication prior to publishing a live stream even though I'm not on the four-and-a-half-times-more-expensive edition of the product.
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Aug 31, 2010
I am working on streaming programs through "Adobe flash Media Live encoder" in my website.The steps that i done for streaming is
* Installed Adobe flash media live encoder
* In the FMS URL entered as " rtmp://myserver ip/live "
* In stream given as "livestream"
* when i click connect the follwing error is displaying " Invalid primary FMSURL "
The website i am going to implement is [url]... which is done using PHP. Is there anything i have to do in coding to connect the media server.
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Jul 19, 2011
when i try to live stream with FMS! I can stream video with Flash media live encoder to the server but when i create the player to recieve the livestream from server,i can not recieve the live stream,can anyone give me a step by step tutorial of how to do it?
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Sep 6, 2010
I understand how clients use bandwidth detection etc to dynamically switch streams via client calls with ns.play2( ... ), but I was wondering if it's possible to only ever use 1 initial ns.play( ... ) call on the client side, but let FMS server side logic that I write dictate which client sees what content. For example, I have 3 clients connected to my FMS server, all watching a live stream. I then decide I want clientA to see 'recordedMovieA.flv', clientB to continue seeing the live stream, and clientC to watch 'recordedMovieB.flv'.
[Code]...
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Oct 26, 2011
I have a FMS 4.5 with (License) and is set up and running fine, now I want to stream Live to the IOS Devices but no luck. I have a web page for test purpose with the video src tags to: URL... and in the server I have a livestream.m3u8 pointing to the same URL..., Now the Encoder have the AAC plugin and all the presets like it shut but when I go to see it in my IPad 2 this is how it looks.
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Jun 11, 2010
I m a begginer with FMS. I have a licenced version of FMS and I want to stream a live video from the Localhost or another machine with camera. And then then I should broadcast it to many clients. I don't know how to begin
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Nov 14, 2011
I'm new to Adobe Flash and I'm just trying out the Flashe Media Server 4.5 to stream live video on a local machine. I'm using a FLME 3.2 to capture the video from my digital camera, which works fine, and I can connect to the server with no worries as well. But I have issues streaming the content in the Sample Video Player that comes with the server.
[Code]....
I've also tried playing some sample videos on it. it even refuses to play those. What could be the problem??
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Sep 9, 2011
So recently I have found issues with switching when playing playlists in a player we are developing. So to trouble shoot I built a simple application with buttons to manually switch. The first video in the stream switches just fine. When the player gets to to the second video in the the stream, switch does does not work either with or with out oldStreamName defined in the NetStreamPlayOptions. What happens is the the stream ends prematurely, a few seconds to a few minutes after the the button to switch is clicked. If I just let it pIay with out switching it plays out the whole stream as intended. I can't find any reason for this not to work, so I am wondering if there is an issue with the server.
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Feb 15, 2011
I am developing Video Chat over Ip (including audio and text too). But I am unable to get the proper startup material for my desktop application.
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Apr 28, 2010
One server - is streaming server with Flash Media Interactive Server 3.5that host the application with asc files in FMS application directory.Second server - is the IIS web server that host thehtml,aspx,swf etc.. files.So basically i heve swf file on one server that have to connect to live streaming via rtmp on different server with different ip address.I did not find any clear explanation on this crossdomain rmtp issue.ys only HTTP can use crossdomain.xml policy filebut not rmtp.So what policy security procedure need to be done in order to enableswf file hosted on one server to connect and show rmtp live cam broadcasting from another server?
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May 16, 2011
I'm trying to setup a server-side playlist for playing back mp3 files, though I stumble into a weird FMS behaviour. I'm using latest FMS 4.0.2 Here is how I try to publish the stream (Server-side ActionScript):
[CODE]....
On the client side, I try to play it using NetStream.play("boo"). Though, the sound quality I get is really weird. The sound goes slower and faster and stops for a split of a second. It may play properly for a couple of seconds, but that's all. Sounds like a decoder problem to me, or a bitrate conversion problem. When I play the stream with NetStream.play("mp3:rhcp") the playback goes smoothly. I've tried several mp3 files with different bitrates, but they all have the same problem.
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Jun 3, 2009
This is a bump and additional thought. The leap to my 1500k file happens when initial bandwidth detection happens as bandwidth is high. Then the computer can not handle playback of a 1500k file. Is there a way to force the player to actually start playing the 300k stream before making any step up to a higher stream?[URL].. Bitrate of currently playing stream is displayed in big numbers on the page. To see the problem you will need an older laptop or computer which would have trouble playing back a a high bitrate video stream.
the stream is dynamically switching through the DynamicStreamItem list of the same file at different bitrates. It works but the switching seems to take way too long. When the default file at 300k loads, the bandwidth test happens and the 1500k file loads. Then on a slow CPU machine the file switches back down as it sees frames are being dropped. This switching is happening way too slowly, it takes a good 45 seconds to switch its way down through the various files from 1500k to 300k again on an old powerPC laptop which can only play successfully at that rate.
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Mar 11, 2010
I was just curious as to whether or not it is possible to broadcast a live stream and then be able to push in, let's say for familiarity, a commercial? I have tried to find some information on the Flash Dev Net area, however, I don't think it leans towards what I am aiming for.
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Jun 22, 2010
I developed an simple video player based on the osmf with a dynamic streaming.It works fine with the examples from Akamai, but if i take my Live-Streams the first stream loads but as soon as stream should switch to a higher bandwidth i get the error:ERROR : error ID=15 message=Playback failed detail=Failed to play (stream ID: 1).Has anyone an idea what i do wrong? Or what might be wrong with the videos or streaming?
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