Emulation, Progressive Download, FL 3.1

I am trying to wrap my head around how any device profile for Flash Lite 3.1 emulated in Device Central can play progressively downloaded video content which files size is greater then the combined dynamic and static heap values. For example I have 6MB's Static Heap, 16 MB's Dynamic Heap and I can successfully watch a 400 MB encode and still seek to the beginning and end of whats been downloaded.
I have not found anywhere in Device Central which allows you to disable your local disk which is important since most devices do not have one. If this is a feature would someone please point this out?
I have wiresharked the http requests and do not see any range-requests or byte-range returned so either Device Central emulation is not accurate or Adobe has figured out some other method for sending viewable partial data. I really want to know if I can expect the same behavior on a device or if this is an issue with emulation?

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What is the difference between SWF and F4V in the context of Streaming or progressive Download?

Hello everybody,
I am absolutely a beginner in working with Captivate and furthermore my technological know how is not that good.
So, I have problems to understand if the export formats SWF and F4V are both capable to be published in the Internet as streaming video and as progressive Download? Well so, I do not really understand the difference between streaming and progessive download either?
Furthermore I was asking myself if this issue depends on how I imported flash videos (there are these two options) in my Captivate project during the production phase?
I would be very thankful for some helping information!
Greetings,
Mareike the beginner

Welcome to our community
I'm not certain I fully understand the differences myself, but will toss out what I believe to be true about the formats. Hopefully, if I'm incorrect in my bellief, someone with more definitive knowledge will chime in.
It was explained to me a couple of years back and is my understanding that "streaming" only applies to a video based format such as F4V, FLV and it doesn't apply to SWF. With SWF, you may specify a preload value. So when the SWF transmits from the web server to the PC, a certain percentage has to be received before play begins. But that's not streaming. It's preloading.
For streaming to occur, the web server establishes a communication channel between the server and the destination PC. This channel is monitored to see what speed is in use. Only enough information is then transmitted to be comfortable at that speed. If the speed improves during the connection, the server serves data at a faster rate. If the connection degrades, the information transmitted is also scaled back so as to accommodate the lower speed.
With SWF, after it has all been downloaded, a savvy user is able to poke around in their temporary internet files and save the SWF for play later. With streaming, this isn't possible because as the stream is viewed, it evaporates from memory.
Seriously hoping others will chime in here to confirm or deny this.
Cheers... Rick
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FLV Progressive Download SeekNavCue

Hello! I have been working on this issue for a couple days
now and cannot seem to find the resolution. I have a flash movie
that includes three FLV files that are progressively downloaded. I
have no problems playing them, but when I get to a certain point in
one, I want to switch to the other, but start the second FLV at a
certain cue point. The test works when I play from my hard drive,
but Since the files are progressive download, they don't jump to
the correct cue point when viewed online. Any suggestions on what I
should try next? My code for the FLV switch is below:
This is on the first frame (checks to see if the root var is
set to 1, if not then it should jump to a specific point in the
FLV):
import mx.video.FLVPlayback;
var pam_vid:FLVPlayback;
if (_root.link == 1) {
pam_vid.play();
if (_root.link == 2) {
pam_vid.seekToNavCuePoint(repeatStory);
pam_vid.play();
This script is put on the last frame (detects when the video
file is done playing, then jumps to frame 1 and checks the root
var):
import mx.video.FLVPlayback;
stop();
var listenerObject:Object = new Object();
pam_back.addEventListener("cuePoint",listenerObject);
listenerObject.cuePoint = function(infoObject:Object):Void {
if(infoObject.info.name == "cue2"){
trace("cue2");
_root.link = 2;
gotoAndPlay(1);
thanks,
Christy

It's a snap with Flash 8 Pro. You just attach a skin to the
FLV with all the components (such as volume, mute, play, and pause)
and your good to go. Not sure how it works with earlier versions of
Flash.

Flash video Progressive Download Performance

I've rendered a series of Flash Video movies selecting the
HIGH Quality, Progressive Download settings.
Even with a cable modem connection speed of 8 Mbps, these
movies choke badly on playback.
http://www.reikoproductions.com/
I don't imagine the SWF publish settings have anything to do
with this, but I have them set to JPEG Quality 100, and the
Compress Movie checkbox is UNCHECKED.
I am presently rendering a set of movies at MEDIUM Quality
settings, but I'd like to know why these movies choke like this,
with this fast of a connection. I don't know much about the web
hosting server these are posted on, but could it be a slow server?
Something in the HTML code I've missed?
Thanks!

On Wed, 1 Oct 2008 13:50:39 +0000 (UTC), "MontyC"
<[email protected]> wrote:
>I would like to us a flash video in a web page, and don't
want to use
>streaming. If I use the Flash Video Encoder to make a
medium quality video that
>is about six minutes long, will progressive download work
okay, or is it too
>long to work without problems? If this is too long, what
would be a good
>maximum length to use?
This is an incorrect question. Length itself (duration) does
not
matter. Only bitrate does. Check your video bitrate and
evaluate your
channel bandwidth.
Progressive download has two big disadvantages against
streaming:
- it takes all available channel bandwidth regardless to the
video
bitrate. It may cause problems at the client side;
- it does not allow quick navidation across the video unless
it will
be completely downloaded to the user's computer.
If you'd like to avoid such problems and you have a
webhosting with
PHP (or like that), then you could try to use so called HTTP
Streaming, which resolves both of these issues without
special server
usage. You can find some information here:
http://home.openworldpresenter.com/flash/index.php?pid=43

Skip to a point in progressive download mp3 before downloaded

Is it possible these days to skip to a point within a progressive download mp3, before this point has preloaded, similar to what i'm seeing with video players such as youtube? in the past, i've used FMS to achieve this, was wondering how people achieved this without using a streaming server.

Actually i think my questions are answered here: http://flowplayer.org/plugins/streaming/pseudostreaming.html
It's talking about movies but i assume the same applies for mp3s. Thanks peoples!

Problems with infinite/jumping buffering using Strobe MP with progressive download MP4

Hello,
I am fighting with the Strobe Media Player and an MP4 video that it is supposed to load and play with progressive download.
The video is playing perfectly fine, except if it needs to buffer somewhere on the middle (the first "buffering" works correctly). If it happens, either it will stay buffering forever - but the buffer bar keeps filling up -, or after several seconds it will jump the video some seconds ahead, and start buffering again, repeating this until the end.
I have tried a lot of different scenarios, with different options on the buffer settings of Strobe, and different encodings on the video, without results.
The video can be seen here: http://www.webfuel.pt . It's currently encoded for 750 kb/s, using VBR 2 pass, web optimized.
I am testing using a bandwidth limiter (Service Capture), and limiting to around 200 kb/s. When the video reaches the buffer, the problem happens.
What can be the cause of the problem? A setting on Strobe? The video encoding? HTTP server configuration? A bug on Strobe?
By the way, just a fast question. For the current use case (the video you saw on the site, autoplaying), which bitrate would you consider acceptable? And considering the purpose is Web/Progressive downloaded is it recommended the use of VBR, or should I use CBR? Is there anything more relevant when encoding a video to be deployed on the web?
Thank you,
João Saleiro

We have solved the problem by creating our own video player and applying the technique described here:
http://stackoverflow.com/questions/1079935/actionscript-netstream-stutters-after-buffering
In another words, when the buffer gets empty, we pause the player, and we create an eventlistener that checks when the buffer is full to resume the playing. The result can be seen our site.
This is, IMHO a big problem in the Strobe Media Player that made us loose around 2 days researching, and can be easily solved with the above technique.

How to Load Progressive-Download Video just when I press Play?

I have set the Progressive-Download video instead of Streaming-Video (because my webserver provider "aruba.it" doesn't offer
streaming videos), in Flash CS4 Professional, and exported to Dreamweaver CS4.
I have also inserted the HTML code in Dreamweaver CS4 to enable FullScreen Playback of Flash .flv Videos.
Now I have a problem:
- When the webpage loads into Internet Explorer 7, it take much time to load all the videos at same time!
Thus I want this:
- I want that the videos start to load just when I press the Play button, individually, not at same time.
- I don't not want that start the load immediately when the webpage opens in IE7.
- I want that the videos start to load content in the same manner of YouTube videos, just when I press play.
How can I do?
What is the HTML code that I should insert into DreamweaverCS4?
I have seen this help page:
http://www.adobe.com/livedocs/flash/9.0/ActionScriptLangRefV3/fl/video/FLVPlayback.html#lo ad()
At Chapter "Public Methods" I have seen this "load" function:
"Begins loading the FLV file and provides a shortcut for setting the autoPlay property to false and setting the source, totalTime, and isLive properties, if given..."
Can be useful this function?
Horsepower0171.

Excuse me, I am a beginner user of FlashCS4.
OK!
StepByStep:
My site is http://www.cavallodario.it. Please see the third top section called "Sezione 3D">Maya>the last bottom video on the page is published as Streming video (I think)...
There, are all the videos.
I have understood that YouTube video is http streaming.
Instead, in FlashProCS4, I have seen a second Option after ImportVideo Menu (is Flash Media Server streaming?):
1) "Sul Computer" (on the Desktop, local); NOT CHECKED
2) "Già distribuito su un server Web, Flash Video Streaming Service o Flash Media Server"; CHECKED and selected the URL: http://www.cavallodario.it/filmati_Maya/flv/Wagon_01_PAL_Letterbox.flv
> Next > SkinBar with Fullscreen Button (called "SkinUnderPlayStopSeekFullVol.swf") > Next > End.
But I have a doubt if this is a streaming function:
-After published the webpage via FTP with Dreamweaver, in IE7 browser the loading progress bar appears immediately, and loads the video when the webpage appears, not when I press Play Button!
Why this?
How I can do to load the video just when I press the Play button?
- I have seen the "NetConnection / NetStream" classes in the FlashCS4 Help, but I am a confused beginner user and I don't want write an ActionScript code to build a custom navigation bar.
Please response me!
Thanks!
Horsepower.

No progressive download for H.264?

I was encoding a 6 minute video for web delivery in H.264 and it appeared that there is no provision for encoding for Fast Start or other setting to allow progressive download. The 6 minute video compressed in H.264 to about 30MB and was only downloadable off our web host as a full download. This required about 20-25 seconds on cable modem. Not a satisfactory result!
Does anyone know how to set for progressive download? I had the same experience when encoding into the variations in QuickTime.
This is crazy. If this is not currently possible, does anyone know if Adobe is taking steps to remedy? Is this remedied in CS4? I have heard reports of excessive crashing in Premiere CS4 so I have been reluctant to upgrade.
Regards.
Jeff

For a meaningful comparison, would you not have to view the same video,
encoded at the same bit rate for each format and in the same frame size and
frame rate?
I am not the expert here, but it seems to me that this condition would
have to be met to farily compare. Easily done of course if you provide your own
video for comparison, and that is exactly what I am trying to do. Can QT
Pro output an H.264 in MPEG-4 as well as QT wrappers?
I am going to experiment with both formats as well as Real Media and
Windows Media at similar settings. I do not have a program to simply encode
swf's without taking a few extra steps. It is cumbersome. To my knowledge,
flv's need to be embedded into a web page or otherwise incorporated into a swf
to be widely viewable. While I have a few players which can play flv's
directly, these are not as widespread as QuickTime or Real Player. Not sure,
but I think that Window's Media Player can play QuickTime files. I do not
try this too much so I am not positive.
Thanks for the help and best wishes. I will probably bite the bullet for
QT Pro in the next day or so. I think it is only around $30.
Jeff
In a message dated 7/23/2009 5:39:49 P.M. Eastern Daylight Time,
[email protected] writes:
Than H.264?! That has certainly never been my experience. My personal
computer stumbles on several H.264 files because it just ain't powerful
enough, but has never once failed to play a Flash video streamed from a web
site.
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Video playback – unable to use Progressive Download after update.

The most recent update to flash removed my ability to switch from streaming to progressive download. I've looking around in the settings for the program but can't seem to find any way to switch it back. Is there anything I can do?
I'm running Mac OSX Mavericks, if that helps.
Thank you!

I see no such option.
Safari 7 (Mavericks - Flash Player 11.9.900.170 - the latest):
Google Chrome 31 (Mt. Lion - Flash Player 11.9.900.152 - 1 build ago):
For the record, I don't recall ever having that option.
Safari 5 (Snow Leopard Server Flash Player verson 11.9.900.117 - 2 builds ago):
There HAS TO BE something else that was allowing the stream vs progressive switch.

AS2 - FLVPlayback progressive download video doesn't play until fully downloaded, and sometimes it d

I'm loading video content paths from an external XML file into the FLVPlayback component. The issue I'm having is that the progressive download action is so inconsistent, sometimes it plays the video right away as the video is playing, and sometimes it does not play the video at all until the entire video is completely loaded. I would like to have the video play right away as the video is downloaded. I'm banging my head against the wall on this one. Any ideas?
/*--- autoplay is checked in the components inspector ---*/
playback1.contentPath = getNodeValue(findNode(videos, "one"));

Anyone?

Flash Video Progressive Download

I would like to us a flash video in a web page, and don't
want to use streaming. If I use the Flash Video Encoder to make a
medium quality video that is about six minutes long, will
progressive download work okay, or is it too long to work without
problems? If this is too long, what would be a good maximum length
to use?

On Wed, 1 Oct 2008 13:50:39 +0000 (UTC), "MontyC"
<[email protected]> wrote:
>I would like to us a flash video in a web page, and don't
want to use
>streaming. If I use the Flash Video Encoder to make a
medium quality video that
>is about six minutes long, will progressive download work
okay, or is it too
>long to work without problems? If this is too long, what
would be a good
>maximum length to use?
This is an incorrect question. Length itself (duration) does
not
matter. Only bitrate does. Check your video bitrate and
evaluate your
channel bandwidth.
Progressive download has two big disadvantages against
streaming:
- it takes all available channel bandwidth regardless to the
video
bitrate. It may cause problems at the client side;
- it does not allow quick navidation across the video unless
it will
be completely downloaded to the user's computer.
If you'd like to avoid such problems and you have a
webhosting with
PHP (or like that), then you could try to use so called HTTP
Streaming, which resolves both of these issues without
special server
usage. You can find some information here:
http://home.openworldpresenter.com/flash/index.php?pid=43

Progressive download doesn't display

I'm attempting to add video to our site using flv files
created in Premiere Pro and creating the swf files in Flash. The
video is intended to popup in a new window. Everything works
wonderfully inside Flash and in my browser, but when I move it to
the server, it doesn't work. When the button is clicked, the popup
opens and the file name and address displays correctly, however,
the window remains white. When I right-click on the window, I can
see the Flash settings.
I verified with our web administrator that flv is a
registered file type. I read about Enabling the FLV MIME. Is that
the same thing as "registering flv"? Any ideas what else could be
my problem?
Thanks.

I figured out my problem by posted in the DW forums. All of
my paths were correct between the HTML, SWF's, FLV's, and the
JavaScript. So, for those of you experiencing the same thing:
End's up it was the MIME types on my host. The host computer
didn't know how to handle FLV files, just like sometimes on a local
desktop you have to sometimes associate certain file types with
certain programs. It has something to do with the HTML header. All
I had to do was go to my host settings through their website and
add the MIME FLV type.
Responding to the last post:
1. You actually want to save your video out from an AVI
straight to FLV, not mp4 if you are planning on having people view
it through a Flash player. Mp4's have some compression so you don't
want to add another compression on top of that once you change it
to FLV. You can even save an FLV file directly out of Premiere
rather than going the AVI to Sorenson Squeeze route. Better yet,
export an AVI from Premiere and open it Flash Video encoder (free
program). The quality will be determined by your encoding settings
in Premiere/SS/FVE.
2. Progressive download works for every Flash player that
supports FLV's (I forget what the first player was, 6 perhaps). The
only difference between 8 & 9 is that 9 also supports the new
compression codec On2 VP6, which lets you do alpha channels and
compresses a little better. Just use Sorenson codec and you'll
cover your bases.

How do I force progressive download?

I have an Adobe Media Server all set up and playing videos over RTMP.
Users on low bandwith settings experience buffering, on occasion. To combat this, I want to force users to download the entire video before they watch any of it.
Through my research, I've found that "Progressive download" is the way to go if I want to do this, though I haven't found how to enable or access this on the server.
How do I force progressive download?

I am in control of the client. I'm using the Strobe Media Playback, and alternatively, a simple flash client using netConnection and netStream.
How do I set it on the client? Is it a change of "rtmp://" to "http://", or do I have to change a flashvar setting or what?
And if I set progressive download on the client, would it be different than using HDS or HLS?
In my http.conf, what I changed is:
Under <Location /hls-vod>
HttpStreamingContentPath
from "../webroot/vod" to "../applications/recorder/streams/_definst_"
All of my videos are in that directory.

Progressive Download not Playing

I am stuck. I have done this lots of times, but for some
reason, my
progressive download flash video won't play on the server,
but plays find on
my local IIS development server.
http://palmettogolfclub.net/test/test.html
(ignore the blank 'images' --
just a test for the flash).
I have uploaded the swf, flv, /scripts directory&files
but still I still
cannot see it.
Any advice on troubleshooting?
Tami Burke
Honey House Web Designs

Oops, wrong URL...
http://hhwdsandbox.com/test/test.html

Progressive download and drag

Hi,
I'm having a problem with my Flash player and hope this is the correct forum for this query.
I am using a progressive download (no FMS available sadly) and when I try to skip forward (by dragging the seekbar handle) to a place in the video where the video has not downloaded, then it just starts to download from the beginning again.
For example, if I have a video of a 10 minute duration:
- The download begins and has happened between 0-5 minutes
- I drag the handle to 7 minutes
- The download begins again - but from 0minutes, not 7, even though the handle is at the 7 minute location.
Thanks.

Yes they are separate. Progressive download does not count as concurrent connections.

Emulation, Progressive Download, FL 3.1

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