Question about embedding alpha channel video in PDF

I've been reading a bunch about the multimedia aspects of Acrobat and adding video and flash content. Does anyone know if you can have video with transparent background inside of a PDF document? Are there any special tricks involved with this?
Thanks.
Jeff

never mind, figured it out. Had to keep the object tag there otherwise the video floated to the bottom of the page

Similar Messages

Exporting SpeedGrade Project with Embedded Alpha Channel

Hello! I am currently writing with a problem I can't seem to find a solution for in SpeedGrade. My problem is that I imported footage with embedded alpha channel enabling me to chroma-key out a green screen. I would like to export this file now with the alpha channel still embeded to be delivered to Premiere. Is this possible?
Your help is greatly appreciated!
Philip

Thanks Fran,
I'm using uncopressed QT, animation.
I did the color correction on a grading track and I think that's what killed the alpha, because when I selected the track with the footage the alpha was being read properly. So what I did instead is I saved a .look file and imported it in After Effects, I rendered from there.
Can you have the grading track read the alpha from the original footage or if not can you copy the attributes from one track to another, as if I was moving all the grading from the grading track to the footage tiself instead of having to do it again from scratch?
Thanks again,
David.

Alpha Channel Video Preloader

We are creating a project that includes a number of alpha channel videos of the course narrator and other characters. Playback works well however, before each video plays, there is a brief "loading" message and then the video pops onto the screen and plays.
I understand the need for the pre-loader, however, I am hoping there is a way to add a "poster frame" to avoid the jarring impact of a person suddenly appearing over a realistic background. A little too much like a magic trick.
We would like to try a poster frame similar to the commonly used "Flash Media Playback" player provided by adobe for flash video on websites found here http://www.adobe.com/products/flashmediaplayback/index.html
Flash media playback allow the use of a jpg file that loads immediately before the video buffers.
Alternatively, are there any other "tricks" to make it appear that the video is present on the screen before it begins to play?
Appreciate any ideas on this.
Thanks
Jeff

Probably because you're not actually encoding "nothing" when creating transparency. An alpha channel is an additional 8-bit grayscale channel, and it probably can't or isn't compressed as much as the RGB channels, or else the transparency would not be clean. The only way to decrease the file size is to lower the total bitrate, which will subsequently have an impact on the quality of the "visible" video.

Captivate and Alpha channel video insertion black background

I have been trying in vain to insert a green screen video into a Captivate presentation. I used Serif MovieMaker5 to export the video as a ".mov" with the chroma key as a transparency. It works great if I want to overlay the .mov format file over another video in other SW platforms, but when I run it through the "Adobe Media Encoder" (AME), the background ends up black. Importing it into Captivate just ends up with a black box containing the subject of the video on top of the slide.
I think I've tried every setting in the AME with no luck.
I've seen this problem elswhere on Adobe forums, but I haven't seen a solution. Why the black background after encoding with the AME, and is there a setting I have missed? Do I need to start from a different format...say .AVI, but the output doesn't give me an option for a transparent or alpha output. The problem seens to be with the AME, but I don't know for sure.
Any ideas? I'm using Captivate 5 and the Serif, MovieMaker 5 editing SW. The output seems to work everywhere in the ".mov" format, but not when converted to .f4v by the AME

I actually solved the problem by trying to use the Adobe Media Encoder (AME) on CS3. CS3 only codes in ".flv." It worked fine! I also noticed in CS3 that there was a check box for including an "alpha channel." I could not find one in AME CS5, but there was an "exclude Alpha" box. So I looked, and I see that the AME CS5 was exporting the file as ".f4V." For some reason, my installation defaults to .f4v, and it never occured to me to change to a ".FLV" output. When I did, a box to "include Alpha" appeared, and the video works just fine.
One of the issues was that the format was listed as "FLV/F4V" on the "Source" screen. I just assumed that, since FLV was first, that would be the default output. I never looked at the suffix of the converted file. Shame on me! I was also surprised that the default was F4V, since FLV is more common, and F4V is supposed to be an improved version.
CP GURU Wrote: I don't know "Serif MoveMaker", but isn't it possible to export to FLV / F4V directly instead of .mov? I normally use Adobe Premier or Adobe After Effects and here I can export an FLV/F4V with an alpha channel that works well in Captivate.
Unfortunately, the Serif MovieMaker SW does not output to "Flash." It's one of the better of the "inexpensive" video editing SW offerings. Since I am only making short training courses, quality isn't a big concern. The big thing is that it be easy, and have chroma key capabilities. It is, and does, and I'm happy with it. I would love to have "Adobe After Effects" (AAE), but the cost can't be justified. I am seriously thinking about a cloud subscription, but the eLearning suite is not included, and I'd rather spend my limited budget on upgrading to eLearning CS6.
Thanks for everyones help!!!!!!!!!!
Bob

Alpha channel videos problem on AIR 3.8 beta Android

Hi, I've found a strange behavior on the beta 3.8 SDK. When I load and play a FLV video with alpha channel it becomes completely black, but if I re-load it, it shows well. This does not happen on applications created with the release, 3.7 version of the SDK.

I think I am encountering the same issue with Air 3.8. Although I am not using the alpha channel and the video is a quicktime (.mov),
the video appears black (I can hear the audio playing).
I cannot switch back to 3.7 because that gave a error uploading the apk to the new google play console because of signing issues,
the upload issues were fixed in 3.8.

Alpha channel video makes for a larger-than-target bitrate flv

I'm looking for some information regarding the final bitrate of alpha channel encoded video. We are producing transparent flvs. When targeting a number, say 200kbps, in Adobe Media Encoder, the final encoded flvs has a bitrate of sometimes as high as 350kbps or 400kbps. And that's just the video.
When I encode without the alpha channel with final flv video bitrate is basically exactly what I targeted.
I'm assuming GSpot and MediaInfo to look at the final flvs.
Why doesn't Media Encoder produce and flv at the target bitrate? Why the higher bitrate? Is there a way to set the final target for an flv? Is there better software?
Thanks,

Since the lounge is for non-technical discussions, you need to start at
http://forums.adobe.com/community/premiere and select the forum for the product you are using
I will GUESS you are using some flavor of Premiere Pro, so that is most likely where you should post

Question about embedded video clips

Hello all,
I'm importing embedded video clips for the first time today
and have run into what I'm sure is commonly understood by everyone
else here. The video clip takes up as many frames as the video, but
if I add frames after that, the clip starts to loop.
What I want is for the clip to play once then remain
displayed with the last frame visible to the end of the scene
timeline. I'm guessing I need to place a script on the clip or
something similar to keep it from looping? Thank you for any
direction on this.
Best regards,
Scott

just place it in a Graphic symbol (which is an option in the
import wizard) or create a new graphic
symbol and drag the video icon from library to it - place
instance of Graphic symbol on stage -
select it and tell it to Play Once in Properties.
Chris Georgenes / mudbubble.com / keyframer.com / Adobe
Community Expert
worldly1 wrote:
> Hello all,
>
> I'm importing embedded video clips for the first time
today and have run into
> what I'm sure is commonly understood by everyone else
here. The video clip
> takes up as many frames as the video, but if I add
frames after that, the clip
> starts to loop.
>
> What I want is for the clip to play once then remain
displayed with the last
> frame visible to the end of the scene timeline. I'm
guessing I need to place a
> script on the clip or something similar to keep it from
looping? Thank you for
> any direction on this.
>
> Best regards,
>
> Scott
>

Question about CPU usage for video playback

I've asked a related question already on the Safari forum, but would like some clarification, please.
The speed of this iMac is 400 MHZ and whenever I go to YouTube or almost any other site that requires video I see that the CPU usage can peak way up at 80% or more. I have Flash 9 installed which has a minimum of 500 MHZ, so I get pretty choppy video, but that's not the issue here. I can live with that. I keep any other applications closed. I'm often running a small fan over the top of the iMac to help vent the buildup of heat. I can monitor the temperature at the Hard Drive and I suppose that gives me an idea, of sorts, about general temperature conditions inside.
The answer I got was that this kind of CPU usage could be detrimental to the processor as it builds up excessive heat and to keep this kind of video to a minimum.
My question is can anyone roughly suggest what a maximum time on YouTube, for example, would be, 2 minutes, 5 minutes, is 10 minutes too long? I have plenty of RAM at 768. Some guidelines?
Thanks.

Hey WZZZ,
Thanks for the star and kind words.
I'm the de facto Mac guy at my kids' school and we have around 25 iMac Slot Loaders working there. You can imagine they get abused quite a bit. There are 10 running Garage Band in the Music Department. That puts a tremendous strain on the CPU and I'm actually surprised that they run it so well. My son had a 600 iMac running GarageBand, he was complaining that it was getting jumpy and when I looked at it he was running 10 unlocked tracks simultaneously! So now he has an eMac G4 800 and that of course runs a lot better.
So to sum up, with all the abuse of those machines in terms of the CPUs the problems I have with them have nothing to do with that. The problems have more to do with parts of the OS that they toss, headphone jacks abused, CDs jammed in the slots, and the like.
A couple of other related things. I've got Hardware Monitor, demo, installed and I think it reported it could only find the hard drive sensor, if I'm not mistaken - nothing else on this Mac with a sensor. Is that right?
I see references to CPU sensors on 400 iMacs but on the 400 I have here for repair Temperature Monitor reports no sensors. Perhaps there were different versions of the 400.
But very good to hear that the fan is a good idea for CRT related things. Should I keep the fan running-mostly for that hard core CRT stuff- even if the computer is sleeping and the room temp. is only around 62-64 F.? (We need to put on warm clothes to sit in front of this thing now, but worth it to keep this old machine happy).
On the one I did the fan pushed the airflow in the direction of the passive flow of the iMac - in at the bottom and out the grill by the handle.
One more question, more out of curiosity than anything else: If I move this small clip-on fan close to the case - right now it's about 3 feet away and the image is stable - the screen begins to flicker and flutter quite a lot. My theory is that that's happening not necessarily because of electro-magnetic interference from the fan motor, but rather, because the back of the tube is getting cooled unevenly. What do you think?
Well the classic failures that I see in the iMac are in this order:
1) Dielectric breakdown of the flyback transformers internal insulation. This is heat/age related and a common problem with CRTs in general.
2) Breakdown of high voltage electolytic capacitors and regular high voltage capacitors on the neck board and PAV supply.
3) Solder problems with the flyback itself. This is diagnosed by the upside down boot technique.
I used to repair these problems but now it's easier for me to swap the Firewire boards into working 350s. I've got 12 of those in the basement currently.
Richard

Question about transfering pictures and videos to my iPad

I just found out that I am getting an iPad as a birthday present, which is cool and all but I never ever even thought about owning one, the main reason is because I already own a pretty good laptopp with a good enough hard drive and the reasn why I love this is because when I go on vacation or whatever, I can take my Samsung camcorder which records in 1080p (mp4 files) and has a pretty decent 60gb hard drive but recording in HD requires a lot of space so whenever I run out of space in the cam corder, I just unload all the videos to my laptop in my hotel room and start again from sracth, that way I can come back home with 80 to 90gb worth of high definition vacation footage.
Now that I am geting an iPad, I want to use it as a laptopp replacement, it fits every category perfectly except the one I just mentioned, which leads me to my question.
If I purchase the usb adapter to transfer pictures and videos to the ipad, will this recognize my samsung camcorder? I dont remember the model as I dont have it here but it records in HD and the format is .mp4 so I don't see why I shouldnt.
the iPad I am getting is most likely the 64gb version, which is still pretty low on HD space compared to a regular laptop but if I take an empty ipad (no music and very few movies) to my vacation, I guess I still have a good 50gb or so to dump all my videos from my cammera and unless I am on a long vacation, I shouldnt have any trouble about running out of space but all of this would be moot if my iPad wont even recognize my camcorder in the first place. I don't even care if the iPad wont play the 1080p files properly (does it?) all I care about is if the ipad can at least store them until I get back home and transfer them to a real computer, thanks!

I'm not saying NO your iPad won't work with your camera, but you are clearly going to run out of storage space quickly, so it hardly matters.
I would try to convince you that you should think of your iPad as something to consume and share your media with, not store it. Keep using your laptop. BUT as you go through your photos and videos each night during vacation, throw the best ones onto your iPad to show your friends and family the next day. You can even set it up to down convert the videos for transfer to the iPad without losing the original 1080p files.
If the iPad DOES work with your camera (probably just photos), then you could do a quick transfer of selected photos and use the iPad to review them in the field (instead of your camera's screen). But I'd clear them off pretty regularly and just do proper transfers to the ipad of just the best stuff.
But anyway, everyone gets to use technology however they want. I don't think the iPad sounds right for what you want to do, but that's your call - why not give it a try.
(ever considered using mobile me or another cloud solution to store your photos. You can password protect them, upload from your iPad, and retrieve from your iPad (with mobile me and some other choices).

Newbie question about 10 bit Uncompressed Video

Hi guys
Am I correct in understanding that Uncompressed formats are only for digitizing analog video?
Like, with DV or HDV or HD 1080p/ P2 etc.. I would never need to use any Uncompressed codecs.. is that right??
Basically my question is: when would I use one of these Uncompressed codecs?
Thanks!

Animation for interchange between platforms is no compression, and with alpha if millions+ is chosen. Basically these files would be exported from 10 bit files at our shop. Image sequences would be generated the same way unless they were going out to a grading station or VFX in which case they would be 16bit tiff or DPX files.
The main reason for not passing 10 bit video is gamma interpretation between platforms.
we have had success with AJA 10 bit uncompressed being passed to PC shops with them using the AJA codec on their systems. Most of these transfers are aftereffects based projects, captured via Kona3 in FCP automatic ducked to AE and passed with media and project. They come back the same way in an AE project. we can then control which layers go where depending on their use and workstation.

Question about downloading and accessing video in FC Express. HELP!

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Thank You.. I guess my last question is this.. I have one firewire port.. If the external drive is attached to that I dont have a free firewire port to download the video onto that drive.. Unless I can download via USB..

Basic questions about AirPort and channels

I have a VERY limited knowledge about networks. Please keep answers simple.
My setup is very basic. My computer is connected to the internet via AirPort through my wireless gateway (router).
When I pull down the AirPort menu from the toolbar it lists 3 network names plus Other. My network name is checked. Why are 2 others listed on my computer? They aren't listed in my AirPort Network System Preferences under Preferred Networks so I can't delete them.
I downloaded iStumbler to try to get more information. It lists all 3 names plus one more that comes on and off. My signal is over 100% and all the others are around 50%.
Also, three (including mine) are using channel 6 and one is using channel 1. Should I change my channel? Everyone always mentions 1, 6, and 11. Could I use 4 or 5? Are some channels stronger than others?
Thanks.

"...Why are 2 others listed on my computer?"
You have neighbors with wireless networks and you are getting a signal from them.
"They aren't listed in my AirPort Network System Preferences under Preferred Networks so I can't delete them."
You can't delete them because they are your neighbors signals.
"should I change my channel?"
I would switch to channel 9.

Question about BT Freeview channels

I am trying to set up my BT Vision box with a TV that's from India which does not have a scart socket. Hence I bought a scart to AV converter cable so that I could use my TV. Now the setup is complete, however nothing seems to work. Below is what happens:
When I use the BT vision remote control (black remote and black vision box) it does not seem to affect my TV at all, meaning my TV does not respond to the remote signals.
When I first turned on the TV and Vision box I never got to see the BT welcome screen or instructions screen to scan thru the free view channels.
I can see 4 channels when the vision box is disconnected and aeriel cable is directly connected to the TV
Is that a must to have an aerial or antena to watch free view channels with BT Vision?
I am totally confused. Please guide me thru.
Thanks,
L

LSHETTYL wrote:
Is that a must to have an aerial or antena to watch free view channels with BT Vision?
I am totally confused. Please guide me thru.
Thanks,
L
Yes you MUST have the box connected to an aerial in order to receive freeview.
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Equium L20-198: Question about BIOS and s-video out

I seem to be having two problems with this and that is when I put the bios password on above it on the screen is rubbish, scrammble symbols. Also it is supposd to come with s-video out but there is a black plastic in place its place

Hello
I know definitely that S-Video port is not available on every Equium L20 model. Please check the notebook specification although I think that your model should have S-Video port. Please contact your local dealer and talk with them about this.
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Question about taking Images from video in FCP

I just recently upgraded from pinnacle to FCP 7 and am loving it. My question is when I try to take a still Image from video using Quick Time Conversion, the image comes out blurry or with bars around the edges of people. At first I thought It was because I was trying to capture a moving Image, but then I tried it with someone standing still and I ran into the same problem.
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Question about embedding alpha channel video in PDF

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