CS4 - .mp4 Format Playback Problems
Hello! I'm capturing HD 1080i video from my Xbox with a Happague HD PVR capture card. I chose the most common format for recording, .mp4. When I playback the video in QuickTime or in the Premiere preview window (when the video is selected from the list of imported files, not in the timeline), the video is very choppy (dropped frames, pauses) while the audio is fine.
I am running Windows Vista Home Premium 64-bit. I noticed that while I play the video in QuickTime or Premiere, my CPU usage shoots up to nearly 100%, so obviously the files are putting a huge strain on my system. Regular .AVI and .WMV files don't do this.
Is there a some kind of codec or update to Premiere that I can download so that .mp4 files play normally? Once they render in the timeline, they play smoothly, but I'd hate to edit this long project while trying to do precise clipping with choppy video. My laptop is only a year old, so upgrading is unfortunately out of the question.
Is there a sequence preset that better supports this video type as well? Thanks!
Hi,
Regular .AVI and .WMV files don't do this.
You mean not HD ?
You might be taxing your computer hardware and isn't a premiere software problem as much as a "computer resource" problem...know what I mean ?
Rod
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Bridge CS4 - MP4 preview playback problem
In Bridge CS4 on Windows, the preview playback of MP4 files sometimes works and sometimes it does not. If not, Bridge shows only an icon in the preview pane and there is no preview start button.
I have sets of MP4 footage that work OK, but other sets can only partly be previewed. Another strange behavior of Bridge is that in some cases after changing the file's name, the program suddenly does not show the preview anymore.
Is there anyone else having the same problems?
ArmanRead this thread, especially post #19 and see if it solves your problem. http://forums.adobe.com/thread/652660?tstart=0
All MPEG files are not the same so just becasue one play does not mean they all play.
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MP4 Video playback problem - any idea how to make it work?
Mp4 video files are working when opened from local filesystem but now working when opened from the web
Here is example:
var video:Video = new Video();
addChild(video);
var nc:NetConnection = new NetConnection();
nc.connect(null);
var customClient:Object = new Object();
customClient.onMetaData = ns_onMetaData;
var ns:NetStream = new NetStream(nc);
ns.client = customClient;
ns.play("http://www.voyda.eu/projects/not_working2.mp4"); // here is actual a file so you can test it
ns.play(url);
video.attachNetStream(ns);
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Hello Apple and the iTunes Windows PC users community.
I am trying to sync films that I have converted from purchased DVD to mp4 format locally, not purchases from the online store. The mp4s all appear and play successfully in my iTunes application but will not sync across to the iPod film library folder.
For your information: I am using iTunes 11.1.3.8 on a Windows 7 64bit machine with 500GB hard disk and 8GB of Ram in the UK.
I have restored the iPod classic 160GB three times now to see if it was a hardware problem with no joy. Each time all the music restores properly as do the podcasts and all the items in TV programmes all appear to sync and work fine.
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I am technically savvy and have gone through the itunes and ipod settings but nothing appears to make a difference - This is the first time I have had to post here as I can usually solve the majority of the ipod anomilies but this one has me flummoxed.
Has the film encoding type changed in the newest itunes update? - Has this happened to anybody else and is it a hardware, software, or operating system problem.Having uninstalled the current version 11.1.3.8 and loaded and older version of iTunes 10.7.0.21 I can now categorically confirm that the newest update seems to be causing the problem as the films and TV Programmes are syncing perfectly on this older version.
If you are going to do this please dont forget to remove the ' iTunes Library.itl' file as this stops the older versions from running as I've just found out -
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This version fixes the problem: http://www.downloadhelper.net/install-beta.php?version=4.9.5a1
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CS4 jerky AVI playback, ImporterProcessServer?
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THANKSThank you, to both Jim and Harm for a great series of technical posts on this thread. Really fun to read and learn from!
A study on drive performance I did yesterday on my RAID 0 configuration may add a bit of thought to our discussion. I evaluated disk access times, and min/max read times. Plus did reading up about RAID controller cards.
First interesting discovery (at least for me) . . . as your video files get placed deeper on your drive, the access times increase significantly and data rates slow down. Reports I've read explain this, and it's the simple physics of a platter spinning at a constant RPM. The read/write head flys over the outer tracks of data much faster than the tracks near the center of the platter. Sure enough, my read performance graph looks like a dying patient as the test approaches the inner tracks. Not disastrous, but a good 30% drop in speed.
So first conclusion is that if the drive starts getting close to full, slowdowns can be significant. A separate plot of access time over position showed that near the end of the drive, access times also increased. Hard drives start by writing data to the outer edges of the platter, where the head flies fastest and data speeds are at their best. Data gets placed closer to the middle as you fill up the drive.
Next interesting discovery -- most PC people, like me, use motherboard-based RAID controllers. Not so good I found out. Those are all software-based, and use a fair amount of the CPU -- my CPU overhead was around 15%.
With my RAID drive test, I also observed substantial speed "pumping", up and down, which comes from the nature of relying on the motherboard CPU which can't stay focused on just drive access. My worst-case low points in the pumping got down to about 70 MB/s.
From the reasearch I've done, a PCI-e hardware-based RAID controller will eliminate the pumping and give you around a 20% to 30% speed increase with fairly steady read speeds. Since my average read rate was about 110 MB/s, I could see that go upwards to 140 MB/s with a hardware-based RAID card, and hold fairly steady performance speeds. Of course, if video files are fragmented, that'll slow things down somewhat.
I hadn't thought about the effect of multiple tracks of video jumping up the needed bandwith. A real good point. But I don't often go beyond 3 tracks of video. I sometimes do more complex overlays, but then, I will need to render those because my CPU is quickly overtaxed as Jim points out. And then with rendering, shouldn't the rendered segments be read out as a single video track? In other words, my workflow would probably rarely involve reading off of more than 3 video tracks, and I'd think Jim's observations are very applicable to me.
So it would seem that RAID 0 gives me quite a bit of performance cushion, even with some of the other system overhead that Harm mentions.
That might change if I went to the professional formats, working with video at 4:2:2, and began moving to less compressed formats. -
Nokia E63 Video Playback Problem
I have loads of videos on my Nokia E63, but I am not satisfied with their quality. Actually I have seen how mp4 quality works superb on cell phones, but the issue with me is that they are too laggy on my phone!
I put a video on my cell phone, it's in mp4 format and the resolution is 320x240. But as soon as I start playing the video, it works absolutely fine, until it's gone through 5-6 seconds of playback, when the lag starts and this gradually keeps on happening after every 5-secong play!
Later, I re-converted the PC video and chose the same mp4 format, but the resolution this time was 176x144(QCIF). I then play the video on my cell phone. There's absolutely no lag, but the quality is poor and the appearance is blurry!
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Help me out pleaseTry lower bitrates, eg. 750kbps video, 96kbps audio. You could also match framerate of source file if you haven't already. Some general info here: /discussions/board/message?board.id=imaging&thread.id=4961
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How to render animation to a MP4 format or something else?
Hello. I usually render my animation to uncompressed AVI because after it I have to render it again with different software for video motage. So there wasn't any problem. But today I have to render my animation directly from After Effects. So I can't render it to uncompressed AVI anymore. I try render to MP4 format but that doesn't exsist. Even after wathich that tutorial below, I don't have that option what we can see in this video:
So I try to do something else. And I found different format as QUICKTIME with H.264. But after render, I can't see my animation (I can see only voice, there is no video). What is strange because movies from Adobe Premiere rendered to H.264 codec work perectly! The same codec but if I render videos from After Effects I can't see it in Windows. But from Adobe Premeire I can. Strange!
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After Effects never did a good job of rendering to that format.
Instead of wasting development time trying to make AE better at it, the After Effects team chose to let the Adobe Media Encoder team work on encoding things and they would work on making After Effects perform better and have better features.
So, either render an intermediate file from AE and use that in the Adobe Media Encoder or send your AE comp directly to AME. Either way, you will use the Adobe Media Encoder to make an MP4. That's how I did it even when AE could make MP4's because AE wasn't good at making them. You can get better quality at smaller file sizes with AME. Go with it.
Here's the Adobe team's official word on it: using Adobe Media Encoder to create H.264, MPEG-2, and WMV videos from After Effects
They explain the proper workflow and they explain why they removed H.264 and WMV encoding from AE. -
Does the 1st generation IPod suffle play new MP4 format
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Playback problem - video playback stops; any suggestions?
I have distributed about 20 copies of a DVD I made using iMovie and iDVD v4.x - and about 5 of the discs are reported to freeze during playback. Because not all of the 20 discs have been viewed, it's possible the percentage of discs with playback problems may be even higher. No two discs are freezing at the same spot, or even in the same movie (there are 3 short movies on the disc).
I got no errors during burning, but I did not 'verify' each disc after burning, either. I did play back my 'master' disc on my home DVD player to make sure it was OK before using it to create a disk image - which I used to burn all the other discs.
Some of the discs I burned from the disk image using Toast Titanium 6.1.1, until I discovered Apple's Disk Utility was actually a little faster. No way to tell now if the 'bad' discs are all from the same burn software. Though both Toast and DU gave me an option to burn faster than the rated speed, I used the rated burn speed of 8x, and I did not do anything else on the Mac while burning the discs.
My first thought was bad media. I used both Memorex and Sony DVD-R media (Taiwan) - there is no easy way to for me to find out if all the 'bad' disks are one brand or the other - but hopefully these brands do not have a 20% rate of defective discs.
My second thought was format-player incompatibilities (-R vs +R), but replacement discs, using the same media on my end, solved the problem for most people (one person's replacement disc froze, but at a different spot than the first one).
My final guess - I wonder if the playback problems might have something to do with the stick on labels I used? These are a Memorex brand product called "CD&DVD" labels, but the fine print on the back says: "Warning: Using a Standard or Full-Face label on DVDs may result in the disc becoming unreadable."
Any solutions?
Quicksilver G4, 867 Mhz Mac OS X (10.4) Pioneer DVR-108 (not OEM), firmware 1.20, PatchBurn profileI just wanted to add my 2 cents. I haven't been on this forum for months. I've been happily making DVDs in batches of 10 -50 to distribute. I've been making them in my emac. Occassionally I'd get ones that wouldn't play in a client's player. The solution was to send a replacement. Usually that worked. Often I'd send a replacement that wouldn't play in one client's player but found that the disk would play in another client's player. The worst case was when the ist three DVDs I sent to one person wouldn't play, but the fourth did. But most of the time, the second one I'd send worked fine (All of these were made in the same batch from the same media (usually Fuji or Verbatim).
Recently I started getting lots more than usual complaints about problem DVDs. I checked out a bunch of them by actually playing them on both my computer, and a stand alone Cyberhome player. They were all made from a particular batch of Fuji media. Now I've previously burned hundreds of playable DVDs made from Fuji media, so I imagine it is just a fluke. (I hope) Some of them would play perfectly all the way to the last 5 minutes of an hour long presentation, and then start stuttering. Some begin stuttering in the middle. Several wouldn't even start up in my cyberhome player. Most of them would end up freezing at some point during the stuttering. The stuttering was never at the same exact place on any of the DVDs.
As an aside, I discovered something that I didn't know was possible. When a DVD froze in my cyberhome player at the menu stage, I'd push the eject button, remove the DVD, and the menu frame was still visible unchanged on the TV until I turned off the player or put another DVD in! I guess there must be some sort of cache in the player that stores the image. Very interesting. I've never seen that with a normally functioning DVD.
I also played each defective DVD in my computer to compare. One or two managed to play all of the way through on the computer, but most exhibited similar misbehavior on my emac. I'd say that, in general though, they all played a bit better on my computer.
Then it occured to me that there was another possible explanation. I was burning these from a disk image file that I had stored on an external HD. Whenever I needed a new batch of DVDs I would copy the disk image file back onto my emac from the external drive, and use disk utility to burn the disks. What if the disk image was corrupted? That might explain the problems.
Another thought that occured to me was the perhaps the process of burning a dozen or more DVDs in a row might cause a heat buildup in the burner and affect the burning in some way.
So I retrieved a good DVD made in an earlier batch of Fuji, made a new disk image of it, and left the image on the computer and didn't transfer it back to the external drive (on TDK media, because that's all I had sitting around), played the copy back on both my computer and Cyberhome player to make sure it worked perfectly. I then generated another dozen copies.
You may wonder how I had enough time to do all this. I'd just put a DVD in the player or my emac and listen to it while doing my ordinary office work. If I heard stuttering(it was my voice on the DVD) I'd instantly notice. I did this all day for a couple of days.
So anyway, I played 5 finished TDK disks all the way through today and they played perfectly. I guess the next test is to use the disk image of the same DVD from my external drive to see if i also get a good burn from it on the same TDK media and burner.
I did have time to do one other test though. I took a couple of DVDs that played well and put paper lables on them using the stomper system. They still played perfectly on both my computer and Cyberhome player. I'd speculate that paper lables are probably okay if they are applied perfectly, perfect centering, no air bubbles, good contact, and the disk stored in clean dry area. I've seen other peoples' CDs or DVDs with paper lables that had become wrinkled from exposure to high humidity and/or heat. I can imagine that they would tend to malfunction.
One client with a certain brand player actually took the "offending" DVD down to a AV store, and bought a replacement player that WOULD play it. I do think that it is interesting and useful to know that one brand player will play a particular particular DVD and another won't.
Since I make batches, I'm considering buying a couple more different brand DVD players, and then doing a bit of quality control - Trying out sample DVDs on all players before I mail out a batch to clients.
I hope that my observations might be useful for others.
emac 1ghz superdrive Mac OS X (10.3.9) -
Encoding and playback problem HD files
Hi all,
Currently, I'm using a new HD camcorder and have no problem with importing and playing these files is premiere cs4 pro. However, when I'm using six video track at the same time I experience some playback problems. After rendering, the video's play, but not smooth, they skip frames and playing a few frames back. In other words, it seems that the video playback stutters. The problem still excists when I encode the project to any file (mpeg2-blu ray, avi, etc). When using two video tracks (with two HD video) this problem is not present, even when these video's are in slowmotion. Installing the new update (4.2) did not solve the problem.
Specs of my system:
Quad core Q6600 @3.0GHz (overclocked)
8gb RAM
>200gb free disk space
windows 7, 64-bit
Does anyone have some suggestions to solve this problem? Thanks in advance.
Regards,
JeffreyHarm,
Sorry for not responing for a few days, but I runned the benchmark you'll send me. The main results (dee details attached file):
53,6, secs Total Benchmark Time
6,4, secs AVI Encoding Time
14,2, secs MPEG Elapsed Time
33, secs Rendering Time
Since the potential problem is my hard disk, inaddition, I runned HDtune (hopefully it will help pinpionting the problem):
disk1: avarage transfer rate: 94MB/s, acces time 13.8ms, burst rate 185MB/s
disk2: avarage transfer rate: 85MB/s, acces time 14ms, burst rate 157MB/s
disk3: avarage transfer rate: 73MB/s, acces time 13.9ms, burst rate 183MB/s
Analyzing these results, could the current hard disk configuration cause the problem I have, or is my system to slow anyway to edit AVCHD material?
If the hard disk configuration is the problem, could it be solved by applying your suggestion by removing all partitions? Since, I'm not looking forward of removing all partions(re-installing windows (dual boot win7 and vista), shifting a huge amount of data, etc), but if it would help I will do it.
Thanks inadvance,
Jeffrey -
Everyting was perfect earlier. Used to convert all my videos into iPhone mp4 format using Any Video Converter - then add it to my iPhone 3GS. But last few days, I cant add video files to iTunes. and the iTunes doesnt even specify the reason except for that "files are not supported"
Everything is fine.
-They are the right format
-Quicktime is updated
-I have tried simply dragging them into the 'movie' library
-I have tried going to file<add file to library
Nothing works, has anyone else had this problem and found a way around it?
Any and all help appreciated.In addition to Mike's suggestions, you only have 4GB of RAM and Mavericks does use more RAM than other versions. You may also want to look at the apps that startup on login and the possiblity of upgrading RAM.
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i just made a movie in iMovie and exported in MP4 format, now it won't open, error message says quicktime can't open the file ***? Anyone?
I have the same problem. I'm using Mavericks OS and latest iMovie. Both downloaded last week. I save the movie into File (as directed) and QuickTime
will not open. I'm then directed to a page of formats which are supposed to be supported on which is .mp4. Any tips? -
Importing MP4 format into Imovie
I have just purchase a New HD video camera which seems to record in MP4 format, which shows an error message when I try to import into Imovie (an error occurred during import) my previous camera recorded in avi format, which did not create a problem.
Will Imovie accept MP4 format or do I need to change some settings.
Thanks for anyhelpsorry, I'm a bit lost in your narration, so in my words, you like to:
• convert DVDs
• you need just a few selections of each DVD
• combine those clips to one movie, not as individual clips on one DVD
right?
1) you could speed-up that process dramatically, if you just want to 'select and combine' by avoiding any conversion (editing mp2 directly).. therefor, you have to learn other, very different (=less convenient) tools than iApps.
2) or, by using a diff. converter, namely Mpeg Streamclip, you can select and convert just the parts you need from DVD, illustrated advice on my site: http://karsten.schluter.googlepages.com/convertdvdstodvs
3) general advice: slow processing indicates a lack of disk-space on internal/'startup' drive.. keep 15-30Gigs free while doing any 'video work'
and, btw, welcome, Mactooth92, to the iMovie boards.. -
IDVD selectively won't recognize .mp4 format - how to burn for dvd player?
Hi -
I'm trying to burn a .mp4 movie for my gf's family so they can watch it on their TV instead of my tiny comp. After trying DiskUtility and iTunes (both to no avail, DU wouldn't even allow me to select a .mp4 format to burn on the DVD; iTunes burnt the movie, but it doesn't play on the DVD player ...). I thought I'd try iDVD, but it won't recognize the movie I'd like to burn - says the format is unrecognized. Tried with another movie, same format (.mp4) and it worked just fine.
I'm really at a loss - I didn't expect it would be so difficult to burn a DVD! Any assistance would be greatly appreciated.
Kind regards,
RaxAlright, my results correspond with Russ' hypothesis: both videos I tried are in the same format & at the same FPS, the only difference b/w them is the audio. The one that worked is Stereo (L R), the one that does not is the 5.1.
Unfortunately, I do not have Quick Time Pro, I just have QTP 10.1 that came w/ Lion (& an older version that I added b/c it allows playback speed control). Here, the export options are:
480p
720p
iPod touch & iPhone 3GS
iPad, iPhone 4 & Apple TV
Audio only
None of these were an obvious choice to me, any suggestions? I've heard something about "Toast", would this be an easier / better option?
Thank you for on-going help. Very much appreicated.
Kind regards,
Rax
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