Off stage content killing frame rates

Hey,
I'm working on an iPhone game using AS3 and I've got it working pretty well on the iPhone 3G. I intend to compile it with AIR 2.7 (or 3.0 when it drops), but for testing purposes, I do everything on my 3G. Here's the problem, I get a solid consistant 24fps until one of my objects moves offscreen - even partially. If my "character" even goes a few pixels past the edge, frame rates drop tp 9-10 fps. I've had a few people already suggest not allowing anything to move offscreen, but that's not feasible. I've gone through my code to make sure there isn't a programmatic reason this happens, and I've created a seperate project specifically to test this - with no game logic, simply moving an image across the screen, frame rates bottom out once content goes over the screen edge. I've tried using masks, I've tried using scrollRect, I'm using cacheAsBitmap, and there is no scaling, only x,y translation. Any help or suggestions (except for telling me to switch to Obj-C, there has to be a better answer than that) would be greatly appreciated.

hummm... I know this shouldn't make a difference, but it might be worth trying: create a bitmap that is the same size as the stage, and manually render your sprites to it via BitmapData.draw(). Actually, this should make things a bit slower, logically: but hey, Flash has its own logic sometimes..
Tip to improve the fps: you can always render some or all your assets to a bitmapData that is half the size of the screen, but whose Bitmap container is inversely scaled by a factor of 2 (stage.quality shoud be set to StageQuality.MEDIUM to take advange of bilinear sampling in CPU mode -- In GPU mode, you'll get trilinear for free, I think). Also, make sure your Bitmaps have smoothing set to true. This will radicaly improve the fps, but make your assets a bit blurry.

Similar Messages

After using modify/contents some frames go out of stage dimension

Hello,
I have a question to all you animators out there.
I work in after effects and sometimes do some simple illustrations/animations in flash - where I usually switch the bg colour to gray
as not to see the stage rectangular as it's distracting to me. Then when I have my drawings and a few different frames done I go to
modify/ choose bg colour to white and check contents to frame all the content inside the document - then I want to export it to swf
so I can use it in after effects.
At this point all seems fine, all the frames are in place, however I noticed that frequently when I reopen my flash documet after having done this some frames are outside
the white stage box (usually later frames, the 1st is in place).
How do you deal with this?

Hi all,
Sorry for the slow response - as I'm sure you can understand, running lots of exports takes a few days and so it's taken me a while to test your suggestions properly.
The render completes using the media encoder without crashing (MPEG2 Blu-ray and H.264 Blue Ray both worked), however the picture quality has really blurred:
Original:
MPEG2 Blu-Ray
I also ran it in H.264 Blur-ray and this also appeared blurry. Apologies for lack of a screenshot, I deleted the export to conserve disk space.
This is very similar to the problems I had under File => Export => Movie, which went away after I tweeked the export settings to match as closely as possible the footage (however Premiere then crashed when I tried to export the entire movie rather than just a clip).
Working settings under File => Export which crashed Premiere but prevented the blurriness:
Export
Video and audio
Entire Sequence
Filetype
QuickTime
Video Settings
Compressor: H.264
Frame size: 1280h 720v (1.000)
Frame rate: 29.97 frames/second
Pixel Aspect Ratio: Square Pixels (1.0)
Fields: No Fields (Progressive Scan)
Audio Settings
Compressor: Uncompressed
Sample rate: 48000 samples/second
Channels: Stereo
Sample type: 16-bit
Settings under Adobe Media Encoder
Any thoughts what I'm doing wrong? This is starting to get really frustrating and I'm genuinely wondering if Premiere is suitable for what I'm trying to do. I've another project a month late in getting started because I want to get Premiere to export this so I know I'm not going to run into the same problems again - but I really don't know what else to try? Any ideas?

FCP giving off Frame rate to QT files

I dunno if anyone has ever come across this one but this is sure strange. K, I have been dealing with some 24p problems with cinema tools and it came to my attention from another person on here that, he told me to check my file by opening the captured file with quicktime and doing an info check and upon doing so we seen that the frame rate is said to be 29.95. Could be why cinema tools is acting a but strange not giving all the options wanted. So I decided to check other files and another 24p (2:3) was said to have a 28.51 frame rate. Although FCP reads it as 29.97, outside apps take the quicktime file and see it as is. So I even checked some ohers files that were shot in 30p and even they are buggered. Not all , but some. I just looked at a bunch of home videos that I have been bringing on with my 8mm and see some of the tapes and off a bit, I even have one clip saying 3.75 FPS, however, when playing the QT file, it plays fine and even the frame rate that shows when playing is 30 or so. So does anyone have an idea about this. I should say that all footage was captured with my camera connected to my FW400 port and saved usually to my internal drive. I did jsut do a test with saving to my external Lacie and same thing, just a bit off. NOW, interestingly enough, I was recommended a program for good logging and stuff and decided to try the trial version of it. Its called Live Capture Plus and I tried a bit of the 24p footage and opened it with QT and it says 29.97. Interesting, one thing different with this capture program is that it starts a new clip ever time break, much like iMovie which is a nice thing to have sometimes. So is it FCP or is it the fact that there is a time code malfunction during time breaks or what. I am open for anything hear. I have projects that need to get done and just want to make sure all is well. So please help, if you wish to ask in more detail, message or call me on ichat at littleharoldeh under AIM. Thanks guys
Nat

No, they are not timecode breaks. As I stated these are fully captured files that play fine, however, when open in QT and info the frame rate is an odd, 29.95, or 29.91. I really have no clue why this is happening. Doesn't seem to effect over all playing of files. But the one thing I shot at 24p (2:3), which final cut read as 29.97, QT as 29.95, that I brought into Cinema tools, when I select reverse Telecine, it doesn't give me all the options for stuff that it should. I made a post about this in the Cinema tools thread. Thanks for trying, but it ain't timecode breaks

Converting Frame-rates of HD Content

Hi all,
I am interested in changing HD 8-bit uncompressed 720p59.94 content to 720p50. I have managed to "fudge" a 720p50 sequence but now need to do the conversion of content frame-rates whilst maintaining playability and viewing quality.
Any Ideas?
I am using an Apple G5 MAC PRO with Quad Core Processor, 4GB RAM, AJA KONA 3 card with breakout box and XServe 7TB RAID Array running RAID 5 h/w and RAID 0 strippign across the 2 Banks.

FCP 6 adds the ability to put any format of video in any sequence setting, and if you're machine is up to it, play it back without rendering. Sort of like when you playback unrendered effects in a preview mode. FCP 5 wouldn't have allowed for this. You'd have to render to see it at all.
Jerry

Importing video Frame Rate Off???

I am importing video which was shot on a DVX 100 at 24p the image plays fine on my playback deck but when I Play the digitized footage in FC it appears to be in fast forward... Not sure if this is a Frame Rate Issue???

I don't understand. Did the captured clips playback fine in fcp last night? How did you digitize them? You need to either use the correct capture preset in fcp or modify an existing preset. If you're using another piece of software to capture, you gotta let us know this info.

IDVD rendering, frame rate and pixellation

I have a number of MPEG-4 movies which I handbraked from DVDs. As standalone files, these play in Quicktime player fluidly and clearly at real time - all looking fine. I've imported them into iMovie to edit bits of each which I didn't want: the iMovie preview still plays these looking good. Add transitions and chapters and save project.
I then make an iDVD project, drag the iMovie file (the one with the star) into it and it works fine, automatically displaying the correct chapters and in preview, it still looks fine. I leave it overnight to Burn DVD (which renders each movie file etc)., and the the DVD plays in my DVD player machine BUT each file is more pixellated than the original PLUS it seems to have dropped the number of frames per second. This means that although the audio and video are in synch and realtime, it looks slowed down.
My iDVD settings are for Best Performance. The project is 6GB and I used a double layer 8.5GB disc. Also set to PAL which is correct for the UK.
I have tried many methods to make this disc. Why are these movies compressed again? There doesn't seem a need to compress them. Why is the frame rate not maintained when there is plenty of room on disc to avoid compression?
All I want to do is make a viewable DVD of a collection of movies without this quality fall-off!
Is it just a simple matter of saving as disc image and burning at a slower rate (how do you do that anyway?). If so, what's the point of this software?
17 PowerBook G4 Mac OS X (10.4.2)
17 PowerBook G4 Mac OS X (10.4.2)

DVDs are heavily compressed MPEG-2 files.
If you rip a DVD using Handbrake, it will expand the MPEG-2 file into an uncompressed video file, then compress it on the fly to MPEG-4. Also, it will either retain the original 24 or 25 or 29.97 FPS frame rate, or will transcode to 25 FPS (PAL).
If you then import the MPEG-4 file into iDVD, it will take the MPEG-4 clip, uncompress it, then squeeze it back to MPEG-2, and because iDVD is intended for encoding DVDs of (especially) DV-25 material, it will transcode the frame rate to 25 FPS (PAL).
What you have done there is to take a file compressed with a lossy compression scheme, recompress it with an even lossier compression scheme, then recompress it a third time to the original compression scheme (but probably a different bit rate).
In digital video, compression artifacts (noise, blockiness, etc.) become visible with the initial compression stage. Even DV-25, which is compressed 5:1 with an adaptive sampling method, uses a 1-frame GOP (all I-frames) and is optimized for editing and post-processing, will show artifacts, especially "mosquito noise". Artifacting is worse in MPEG-2 and MPEG-4, especially as the GOP length gets longer, caused by prediction errors in trying to re-create data that isn't really there. If you take this compressed MPEG-2 image, re create it, then compress it again, you will add new artifacting to the already trashy looking picture. Very quickly your picture will degrade into something significantly worse than VHS as you add compression stages. By the time you do that third compression, going MPEG-2 to MPEG-4 and back to MPEG-2, you're lucky if you have a recognizable picture at all.
If you are hacking up a DVD and you want to maintain quality, then iDVD is not the proper tool to use. Ideally you should limit yourself to editing on the GOP borders (if you're lucky, every scene starts with an I-frame...) so that you can snag a chunk of the original MPEG-2 stream and drop it unaltered into your new project. You could then burn the un-re-re-recompressed DVD compliant MPEG-2 stream back to the disc with something like Toast or Sizzle.
--Dave Althoff, Jr.

How can I change to a higher frame rate than 12 FPS?

Just got a good deal on a 15 in MACBOOK Pro running Yosemite with the latest Quicktime and iMovie. Is the best frame rate I can get out of this HD camera 12fps? I can't find anywhere to change it in QT or in IMovie.
MacBook Pro with Retina display, OS X Yosemite (10.10.2)

studiojl wrote:...So as I understand it the camera will decide on FPS based off available light? ...
So you seem to correctly understand the information in the linked Use More Light! article.
studiojl wrote:... I don't like that at all...
Your emotion is irrelevant. It simply works the way Apple software is written. Perhaps some other computer system works different from Mac OS X and Apple camera apps?
If you intend to keep using Mac, you can take manual control of some camera parameters by using a third party add-on app such as iGlasses, Webcam Settings, or Sight Control.
studiojl wrote: ... what frame rate does it pick if I import one 30 FPS clip and one 60 FPS clip?
Whatever frame rate is set by the program of the software application you are using to record those clips.
You can determine that frame rate by making short test videos and watching it in QT Player.
The QT "Inspector" window will show you the frame rate for the clip.
Here's an example for a clip made in my low-light room:
Message was edited by: EZ Jim
Mac OSX 10.10.2

Msi GeForce 4 4200 frame rate locked at 60 with Windows 2000

Lost here..... I have an MSI Geforce 4 4200 120MB Video Card slotted on an Asus A7V motherboard - AMD Thunderbird 1Ghz processor with 640mb of ram.
There is a common problem with the Nvidia chip and Windows 2000 in regards to a lock frame rate at 60fps within games.
I've tried several programs to fix this i.e. "Refresh Lock", "Windows 2000/XP Nvidia Refresh rate lock", "PowerStrip 3.15" and "NVFresh Tool 1.0"
But nothing seems to work. I'm sure these program work with older Nvidia cards but not with GeForce 4.
Any Ideas? I even turned the Vsync off and on.
HELP!

p-fulla, I'm not to sure about your system and Windows XP but check out these tweeking sites.
GEFORCEZONE.COM
http://www.geforcezone.com/
and
TWEAKED.NET
http://www.tweak3d.net/
TECHTV.COM/SCREENSAVERS
http://www.techtv.com/screensavers/
(A little advice: If you can, dump XP and install a copy of Windows 2000 second edition. They both have the same KERNAL but I find that Win 2000 is much more compatible for now. I give XP 2 more years before it's the OS for all. I've reinstalled 6 systems with Windows 2000 because of compatibility problems.)

Slideshow in QT 7.1.3 in Windows: Frame Rate Fixed at 29.97

I have my sequentially numbered JPGS, Open Slide Show in File menu, highlight the first JPG, but then the Frame Rate is fixed at 29.97, no opportunity to set to 3 seconds per frame or 10 seconds a frame or anything except 29.97 per second.
I have uninstalled and reinstalled the program: no change. The program was downloaded recently from Apple and says that it is validating the install when the installer is run. Antivirus is switched off when the program is installed.

I thought this Windows version bug had been "squashed" in 7.0.4. Maybe not.
You should get two dialog windows when choosing "Image Sequence". If your files are properly sized and named sequentially you highlight just the first image file in the list and click OK. A second dialog window should then open that offers a "frame rate" for your import.
You say that it refuses to allow you to edit the frame rate at import? Bummer. A bug.
A simple workaround would be to accept any frame rate it offers and then open this new file. Select all (Control-A) and Copy (Control-C). This places your image sequence in your Clipboard.
Open any audio file and trim, or add to it, to fit the duration you need for your image sequence:
30 images at a duration of 3 seconds each would be 90 seconds of audio.
Select all of this newly trimmed audio and choose "Add to Selection & Scale" from the Edit menu. This will add your video track to the duration of the audio track.
Open the Movie Properties window and either "Extract" the video track or "Delete" the audio track and then Save As self-contained. mov file.
Maybe not what you wanted to hear.
Does the same issue occur under different user accounts? It may be something we could isolate.

How do I output the smoothest video when changing or mixing frame rates from the original footage?

I have been experimenting with various Media Encoder settings, and wondered if there was anything else I can try to get the smoothest video output possible, especially when changing frame rate and possibly resolution. For clarification, let me start from the beginning and explain what I'm doing and what I've tried so far. I'll try to be as brief as possible, but if I do go into too much detail, I apologize.
My original footage is AVCHD 1080p - 60fps. (my camera only does 60fps...specifically 59.94fps) We're not talking interlaced video here, I'm staying away from that. This is definitely full frame, progressive video at 60 frames (not fields) per second. My output will ultimately be for the web. I have been keeping my output codec (H.264) and bit-rate (VBR 2-pass, relatively high-bitrate) consistent, and have been trying numerous output options and even sequence settings to see what would yield the best results. I am using Premiere Pro CS5.5 along with Media Encoder. Here's what I've done and the results I've observed:
1. I created a sequence with 1080p - 59.94fps settings to match my original footage. I then output both 1080p and 720p versions at 59.94fps, and at 29.97fps. The 59.94fps output files looked absolutely great, as would be expected. Extremely smooth. The 29.97fps output files were generally smooth, but not near as smooth as the 59.94fps. This is expected since it's half the frame rate as my original footage. However, my question is this: What exactly is Media Encoder doing when "down converting" from 60p to 30p? From a technical stand point, is it dropping every other frame? I'm just curious to understand exactly what it does. I tried the Frame Blending option as well, and that only yielded a bit more blur to the images which wasn't desirable for any of the output files.
2. Just to see what would happen, I created a sequence with 1080p - 29.97 settings. I then output both 1080p and 720p versions at 29.97fps. The video was much more choppy in these cases, even with Frame Blending on. Now, I know not matching my sequence settings with my original media isn't ideal, but I again just want to understand why this yields less smooth video than the 29.97fps options above. Why does cutting the sequence settings frame rate in half from the original, then outputting the same frame rate as the sequence yield video that is not as smooth?
3. Next, I wanted to try mixing frame rates to see how Premiere and Media Encoder handled the footage and output files. Premiere handled it great, no issues there. However, I had some interesting things happen when I output the files. Here's what I did: I created a sequence with 1080p - 59.94fps to match my original footage. Then I took the same exact footage that was in my sequence, copied it in my project panel and interpreted it at both 23.976 and 29.97 fps, yielding slow motion video. The slow motion video looked great in Premiere, so I went ahead and just added it to my sequences, along with the original 59.94 footage. I also created separate sequences for the 29.97 and 23.976 footage respectively, each with matching sequence settings, then added a nested sequence to another original footage sequence (with 59.94fps sequence settings) to see which yielded the best results. Basically, I'm trying to output 59.94fps that match my original footage, but also throw in some slow motion footage at different framerates. I'll explain my results in a moment as they are a bit convoluted, however, here is my question: When mixing frame rates and trying to output the smoothest video, am I going about this the right way? I would assume you would use your sequence settings that match the original footage (which is what the majority of the footage will be), then bring in a nested sequence for the slow motion (as oppose to just dropping the slow motion video directly into my main sequence), and then output to the same frame rate of the majority of the footage, in this case 59.94fps. Is there a better workflow for this?
The results to #3 above were as follows. Initially, it looked like it didn't matter if I nested the slow motion sequence into my main sequence, or simply dropped the actual slow motion video into my original 59.94fps sequence. It seemed to produce smooth results either way. Frame Blending blurred the video a bit, but didn't seem to make much difference, and quite honestly I like the footage without Frame Blending in general. However, when I closed down Premiere, and opened the output files later (opening in Quicktime), the footage looked choppy. In fact, it would go from choppy to smooth and back, almost like it had an irregular cadence (don't know if I'm using "cadence" in the right context here). I would then open up Premiere again, import the output footage into my project panel, and play the footage in Premiere, and it would play back smooth again. Is this a Quicktime issue? I was playing 1080p 59.94fps files when this happened, so maybe it's just because it's a large file. Doesn't seem to have issues with the 720p files I created. But it sure threw me off with my testing because I then started second guessing the settings I was using. My iMac is the latest 2011 model with plenty of RAM, so I wouldn't think it's the computer. Thoughts?
4. Next, I noticed on ALL my output files (again, using the H.264 codec from Media Encoder) that the color of my video seemed to flatten quite a bit. It seems that the original footage has more contrast and saturation than the output files. I figured maybe this was just how it was, but when I re-imported the output files back into Premiere, they looked IDENTICAL to the original footage. And in Media Encoder's Source/Output windows, I don't see any difference there either. Is Quicktime again the culprit here, doing some odd things to the color of my videos?
5. Regarding Frame Blending, when is the best situation to enable this option in Media Encoder? I've read it is when mixing frame rates, but I honestly didn't see too much of a change except for a bit more blur, which I didn't care for.
6. Lastly, my conclusion is that 60fps yields the smoothest video, which is an obvious conclusion. However, I know that 60fps isn't the best or easiet frame rate for web delivery. It seems 30p is more the standard. Are there any integrated web players that would play 60fps? Can you get 60fps video on YouTube/Vimeo? If yes to any of these questions, can they do 720p and 1080p at 60fps?
Those are all my questions. I hope I am clear enough without being overly wordy and hopefully I didn't put too many questions into one post. Thanks in advance for any insight, I really appreciate it.

Did you ever figure out which output worked the best? I have the same original footage; trying to determine the best output settings to make a dvd for tv.
thanks!

Is this a bug?: copied movie clip has wrong frame rate and ruins the main movie's sync

Hello,
I am trying to copy a movieclip with a frame rate of 30 frames per second to a movie that has a frame rate of 30 frames per second. Both movies are actionscript 3 movies. When I do this, my copied movie clip's frame rate reverts to 12 frames per second and all my audio synched animation is trashed. Then when I change it back manually to 30 frames per second it makes my main movie's stage animation go crazy at full possible speed and the audio is all out of sync. I have not set export for sharing or action script on this movie clip. I've tried other movie clips that are 30 frames per second and it is all crazy!
Is this a bug? What can I do? I've got 100s of movie clips I need to make. I can't keep remaking them just because flash has a screw loose. I'll go crazy!
-theGibler

Oh sorry I goofed! My main time line is 12 fps! I can't belive I didn't see this before.

Low Frame rate with new Apple TV.

Hi,
I just watched a purchased TV show (Top Gear) on my new Apple TV, connected to a 42" flatscreen, and I am not impressed at all with the quality. Apart from the resolution, which we all now, the image is jittery, and the frame rate is so low that when somebody moves his arm you can wee it jump from one frame to another.
Looked at settings on my TV (Sony Bravia) to see if there is something there, but I don't see any setting that might affect this.
Anyone else has this experience?
Kind Regards,
Erwin

Same issue with a British movie I just tried to stream and I didn't think this would help, but it worked like a charm! Definitely the cinemotion. I didn't even know I had that setting. It's way to the left under picture in my Bravia onscreen menu. Just make sure that you turn it off for the correct input. Im more used to using the motion enhancer toggle under options, but that wasn't it.

How to change Flex Application frame rate at runtime

hello,
i have Flex application that need to change the Frame Rate at
runtime.
when i am changing it by using the slider component, here the
code:
private function onChangeSlider(e:Event):void
frameRate = sliderFR.value;
trace(frameRate);
<mx:HSlider id="sliderFR" x="452" y="765" width="378.2"
minimum="1" maximum="50" liveDragging="true" snapInterval="1"
value="25" change="onChangeSlider(event)"/>
the value is changed, but the frame rate is not changed.
when i insert the binding to the <Application> tag i
got error on this one, because i can't bind there items for the
application level.
how can i change the Flex frame rate at runtime?

i found the solution!
in Flex application you have frameRate properties that
doesn't work at runtime in the ActionScript code.
if you have a video that you want to change the speed of it,
you need to change the stage.frameRate (of all the Player itself).
and there is a catch here. if you will try to change it right after
the application will start (like in: creationComplete event) you
will have a runtime error.
what you need to do is, change the stage.frameRate value
after the all application is started from a button or other event
in the system.
this is working grate for fast/slow FLV playing
enjoy!

How to export a flash project with a changing frame rate to a video

I have a Flash project that is a series of roughly 1000 images. The result of the images is a simple animation, and there is music imported on a separate layer.
There are moments in the music that I wanted to line up with certain frame changes, and there are sections of the music that I wanted to match up with a faster (double-time) frame rate.
I used this code in several places in the a code layer:
stage.frameRate = x;
The result is exactly what I want in SWF -- the animation speeds up and slows down at the exact right moments to match up with the music track, but it seems like it's just not possible to export this variable frame rate project to a video file?
According to the accepted answer on this post: http://forums.adobe.com/message/4019538, it seems that:
The export function in Flash Pro doesn't transcribe *frames*, rather it plays the Flash animation and records it like a camcorder
If that's true, then I would think there is a way to record a variable frame rate project into a video -- does anybody know if this is possible?

That or Premiere would both get the job done. After Effects might be more desirable as it has a feature called Time Remapping (right-click on the video layer, Time->Enable Time Remapping). You can add keyframes to any point in a video and then drag them around to speed up or slow down the video. That'll allow for very precise tweaks.
Finally all I'd suggest is when you jump into your next project, make a quick dummy test project to see if the software you're using is easily capable of producing what you want. It'll solve the headache of completing the project only to land where you are now. Now you know Flash won't play nicely with scripts and Export Movie. If your desired end result was always a video I'd probably use video editing software to make the video. There's some free stuff out there if you really look, but no, it won't be as nice as After Effects or Premiere by any stretch. Although when you see how amazing After Effects is, you'll probably want to buy it .

Help with TIFF image sequence frame rate?

I'm working on an animation sequence, its a 24p project. Whenever I import an image sequence, Premiere automatically interprets this at 29.97 (though, per the help files, it should automatically interpret at the project frame rate, but it's not). In the project panel, I use interpret footage so that it interprets at 24p. However, when I bring this image sequence into the timeline it shows at the right duration, but the end of the sequence is cut off (essentially, premiere is still reading in at 30p, but gives it the duration of 24p).
CS4 is the first version I've had this problem with.. usually, I just bring in the image sequence and it's fine.
Any suggestions?
Thanks.

Hi, I have the same problem as my workflow is to import R3D into AE CC and render it into Tiff sequence. At first I had changed every setting to 24, and it rendered out choppy and clipped off a few frames in the end.
Now I have tried this
Once you import Tiff, right click> Interpret Footage > Main
Then you will see black box. In this column box, there is Frame Rate column, then tick Assume this frame rate: 24 frames per second.
You have to type in 24 yourself, then it works out fine.
My guess is that Tiff is sequence image, and it DOES NOT have frame rate. So you have to tell AE to assume the imported image sequence's frame rate. Otherwise it always assumes 30 by default.
Hope it works.
DDH111

Off stage content killing frame rates

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