Smooth .mov - jerky .mp4-

Ok, this one puzzles me.
I have this nice and heavy 900MB lossless mov file.
It’s been exported from Screenflow at the best possible quality (lossless, 1280x720, 48kHz audio…)
It plays well on this mac.
Except on this machine I don’t have the sources anymore, so i’ll have to work with that.
I need to turn this into an mp4/h264 so it can be broadcasted (end file goes to a mooc)
Interesting thing i that, where the .mov file displays a really smooth screen recording, any attempt and settings tweaks I’ve made so far keep getting me jerky results. On my side, weight of the file isn’t an issue, so I put the levels up, reduced the in-between frames value, upped the bitrate.
No luck so far.
Would anyone be interested into checking this file and tell me if something can be done, and what would be the required settings to have an .mp4 as smooth as the original .mov ?
120MB zip, inside is a 400MB .mov file (removed, this one was exporting nicely…)
2A-FolioOverlays-Multimedia.mov.zip - Google Drive

Ok, some news on my side.
I checked the project file i sent you to discover that this particular project exported "smoothly enough". Then back to the first one I mentionned (900MB file) was still jerky. That's where I tried importing in premiere to reexport again, and read this in the project manager :
It seems I have an export problem… from Screenflow, which makes it hard to get a smooth export/conversion/transcoding, and only on the 0, 2A, 2B files…
So i'll share you the 2A-FolioOverlays-Multimedia.mov.zip - Google Drive let me know if you do better than what I got

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in it i see
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I want to play mov or mp4 by quicktime. In my laptop it play well but in my another computer the quality for video is very bad!
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Windows XP Pro SP2
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I upload the screen snapshot of this problem on my blog. Please look at the following url:
http://apolloxiao.blogspot.com/2009/11/bad-quality-when-play-mov-by-quicktime.ht ml
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You seem to be showing a dual monitor set-up? If so wouldn't the primary be on the right?

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Hi Ronan,
Great! it worked.
You can check the link below which highlights the optimization process.
http://blogs.adobe.com/aftereffects/2011/02/optimizing-for-performance-adobe-premiere-pro- and-after-effects.html
Regards,
Vinay

I can't import .mov and .mp4 videos into Lightroom 5? Why?

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BradRW wrote:
Is there a cause/fix for this?
I've no idea the cause, nor a proper fix.
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'Import Any Videos' script (free, by me):
robcole.com - MiscLrScripts
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Rob

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I have been given some h264 video files in .mkv format and am able to convert these to .mov by resaving them out to .mov from QuickTime Player 7.
I can change the file extension in Finder to .mp4 and they seem to then more or less behave as .mp4 files.
Are they actually .mp4, or QT doesn't care and just opens them anyway?
What is the best method of handling these files for widest usage on multiple devices?
I have read up as much as I can on the file formats but no-where does it say what OSX is actually doing when I change the extension.
Am I right in wanting them to be .mp4 files?
Peter

I didn't state the audio format(s) because it has rarely been an issue, if it fails it fails at the first hurdle. The container.
Non-AAC audio will likely fail to load/play if the MKV Extension is changed at the Finder Level. Using MPEG Streamclip to move the compressed data to a "real" MP4 file container will normally strip the audio from the final file. If you wish to retain the audio, use the QT 7 Pro "Movie to MPEG-4" option, use video passthrough, and transcode the audio to AAC.
Most of the .mkv files have aac audio, but not all. Chapters are irrelevant, never having found any nor thought them useful.
This is a user preference. I prefer to keep the original chapter markers for apps that use them rather than falling back on the defaulted markers added by some device players.
I am playing the files on several Macs, 2 PCs, an iPhone, iPod Touch, iPad 2 and possibly future Android devices. There are even 2 TVs which seem to be stuck with only reading avi.
Macs, iPhones, iPod Touch, and iPad will play H.264/AAC compressed data natively in MOV, MP4, or M4v file containers. PCs and Android playback will depend on the compatibility of the player app used on the device. Macs will play H.264 with any audio supported by your Mac codec component configuration in the MOV file container.
My main target however is a PS3, which has turned out to be the most flexible media device in the house but does object to some files for indeterminant reasons. I will need to do comprehensive testing to find exactly what it is it doesn't like. Mostly it is good, once you update the system.
Do not own a PS3 but believe it is supossed to be compatible iTunes and mobile device supported formats. Again, the file container of choice would depend on the content you wish to include in the file. If you want to include AC3 DD5.1 sourround soud audio, I would normally recommend the MV4 or MOV containers.
The secondary target is iTunes so that I can get the files onto my iPod Touch and iPhone. I'm sort of used to that level of Apple devices (and I presume AppleTV) "Just not working" unless it suits Apple. So I restrict my viewing to mp4 files of my own creation or mkv files so over the top in size that recompression does little to degrade them.
Again, the M4V file container with H.264/AAC with or without AC3 surround audio, alternative AAC audio, and/or chapters is usually the preferred norm. If you plan to use a "universal" file format, then the display dimensions, frame rate, profile, and level for encodes may depend on the specific devices involved. I.e., that is why I limit my files to 720p30 Main Profile Level 3.1 to High Profile Level 4.0 compression and rarely use even half (more commonly only about a quarter to a third) of the video data rates allowed with these settings.
XBMC and other Media Server software seem, like VLC to be pretty tolerant, and whilst I haven't yet built myself a Media Server, it is on my longer term To-Do list.
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The h264 should pass straight through in a simple QT resave? Same if it has AAC audio?
If the source MKV file is playback compatible with your system's current codec component configuration, then the QT 7 Pro or MPEG Streamclip "Save As..." option can copy the data in the MKV file directly to a new MOV file container without transcoding/recompressing any of the data. Unfortunately, the QT X player is a bit more iffy. Basically, Apple has combined the "Save, Export, and Save As..." options in to a single menu option. The result is that sometimes the app will recompress the data and at other times it may not—dependent on a numbe of variables.)
If the MKV file contains H.264 video and AAC audio, then the MPEG Streamclip "Save As..." option allows you to select either MOV or MP4 as the target file container. If the MKV file contains H.264 video but the audio is not AAC but is still export-compatible with the QT 7 Pro app, then you can use the QT 7 Pro "Movie to MPEG-4" Export option to pass the H.264 video unchanged to a new MP4 file container while simultaneously coverting the audio to AAC. Since you still have not stated what non-AAC formats are included in some of your MKV files, I cannot tell at this point if this is a viable workflow for you.
That covers most cases. I'm still not a 100% clear on tghe real differences between .mov and .mp4 containers and how much it really matters in the scheme of things. .mp4 seems to the go, does .mov cause a problem? If so how and how best to rectify that?
The containers are different. They have different internal identifiers, features, capabilities, and sometimes limitations. CDs, DVDs, and BDs are all different types of optical media but each has different capacities, ratings, and features that determine how they can be used, what kind of media can be recoded on it, and what kind of a device must be used for playback. MP4 containers are very limited. Thay can only conatain MPEG-4 (MPEG-4/H.264) video and MPEG-4 (AAC) audio. M4V file containers are less limited and may typically contain H.264 video, AAC and/or AC3 audio, and chapter tracks. MOV file containers are generic and can hold up to 99 tracks of audio, video, image, text, 'tween, sprite, etc. data that is compatible with the system on which it was created. As to MOV files causing a problem—yes and no, depending on how you use it. Put "muxed" MPEG-2 data in an MOV file in an MOV file container and it will play normally in the QT 7 player (with the QT MPEG-2 component installed)—i.e., no problem. But try to play the same file in the QT X player and it will tell you that you are missing a codec component—a definite problem since you tried to play playable content in a container the media player did not expect to contain that particular form of compression. As to fixing aproblem. I would be better able to answer that if I knoew what specific problem you were referring to here.
This is why I keep harping about knowing which player is to be used, what audio and video compression format is being used and what container is to be used. And we have not even gotten around to checking the H.264 settings. QT based players are standards conscious. Each Profile and level combination tells the player the max macroblock decoding rate, number of macroblocks allowed per frame, the maximum video data rate allowed, the highest useable resolution @ the highest frame rate, what features are supported by profile, etc. Unfortunately, some third-party venders sometimes hybridize these settings which can make the files unplayable in QT apps but they may still play on other players which do not check on or trap on the use of non-standard settings.
BTW I did a quick hunt around on h265 and can't see what Apple is doing. Giving it a miss like it did with Bluray?
Apple is not known for embracing such technology quickly—especially since they are still drafting and reviewing drafted standards. (I believe DivX released a draft version on the 15th of this month.) The current evolution of QT X will probably take another 5-7 years and Apple will have to design hardware capable of handling 4K and 8K if anyone is actually going to put it to use on future Mac systems. The development of mobile devices have, for the most part, only been supporting 1080p resolutions for a relatively short period and jumping to 8K would represent something of a quantum leap at the consumer level.

MOV to MP4

Hi, I have a lot of MP4 clips and I want to make one large MP4 file, I use Quicktime Pro to do this, what I do is drag and drop into Quicktime Pro all my MP4 files and then ''Save as'' to my desktop ''but'' the problem is that I get a .MOV file and I want .MP4 file. If I use the ''Export'' feature I have decrease audio and video quality and I should don't want this.
Another problems is that the .MOV file plays audio and video fine in Quicktime but if I try to play the file in VLC player the audio is playable only in the first clip, on the followin clips I heard nothing. If I took this .MOV file into windows and try to play into VLC, Power DVD, Nero showtime, etc, its happens the same.
Thanks in advance

The .mov and .mp4 are merely file extensions and both formats use audio and video codecs nearly identically.
One exception is "true" MPEG-4 that uses ISMA approved data rates.
Last is the creation tool that made the .mp4 file. Microsoft versions (do not follow industry standards and use proprietary codecs) will not "mix" properly with QuickTIme .mp4 files.
You do not want to combine these files and then export as this will degrade the quality.
If this "large" file will be used on a PC or Mac then QuickTime .mov extension is just fine.

Converting .mov to MP4

What is a good third party software that would help convert .mov to MP4 files? I have already downloaded freeware from MacX, but don't want to pay $30 for the full length download if I can't get their sampler to work.

In H.264 export settings go to the Multiplexer tab and switch from 3GPP to MP4. Your output file extention should change from .3gp to .mp4

Converting .fla to .mov to .mp4 for imbedding in Powerpoint

Hello,
I've been running into issues with the compression of my flash animations when imbedding them into powerpoint. The .mov files provide sharp playback, but after they are converted to mp4, the resolution drops. I need mp4 files so that the movies are compatible with both Mac and PC versions of powerpoint. I have changed the settings to increase the frames per second, and have the highest qualities selected when converting from .mov to .mp4 without luck.
Does anyone have any advice for this issue? Is there a better way to convert .fla to .mp4 for PC Powerpoint compatibility?
Thanks!

I happily landed on this question-item in my quest for for ways to generate MP4 from a FLA files...but now that I am here....:
I agree. I think this is a relevant question.
Kind regards,
Stephan

.mov to mp4 conversion problems

Whenever I try to convert a .mov video file to mp4, the audio comes out normal but the video plays back at half speed so there's no sync. What setting needs to be addressed?

this probably because you are output the codec as xvid. when you are using the video converter to convert mov to mp4, you can choose the output format that with the codec of H.264, that is, MPEG-4 H.264.

.Mov vs .MP4

I am using iMovie to edit some iPhone clips. While playing around with some clips I found that 2 clips of 50 mb each in .Mov format, when edited together on iMovie shrank to half that size and were output as .MP4. Does anyone know what is going on as this type of compression and size reduction has got to effect picture quality.

Aquatic999 wrote:
... When I compared the size of the original vs the spliced iMovie version I found that they are nearly half the original size.
Why not?
iMovie doesn't 'hand-thru' the data; any export setting (what was your choice?) compresses the material - in your case by 50% ... did it visually do any harm? If not - no prob, hm?
And again: mov or mp4 are just wrappers, no 'format', esp. no codec - that is INSIDE the mov. Or mp4 ...

Flip Cam MOV or MP4

Need a camera with MOV or MP4 capablitly.
No idea what those mean and would like some suggestions.

Hi lypaszek,
Sorry for the delay in responding to this. MOV and MP4 are common video formats, and almost any modern camera or camcorder will record in one of these formats. In addition it should be fairly easy to convert a recorded video to whatever format you need.
Thanks,
Allan|Senior Social Media Specialist | Best Buy® Corporate
Private Message

I needto convert the Quicktime movies to MP4

I don't understand the differences but my blue ray player won't play the Quicktime movies but it will play mp4 I need to know how to convert them. Thanks

I don't understand the differences but my blue ray player won't play the Quicktime movies but it will play mp4 I need to know how to convert them.
A QuickTime file is an MOV file container with any form of compatible data in it. This data can be anything from text or still images to Windows Media Video or MP3 music. On the other hand, MP4 is a file container specifically associated with MPEG-4 or H.264 compressed video and/or AAC compressed audio. If the source MOV file already contains MPEG-4/H.264/AAC data, then simply changing the file extension from MOV to MP4 may solve your problem and, if not, then you may simply need to copy the MPEG-4/H.264/AAC data from the MOV file container to an MP4 file container. In cases, where the source file does not already contain MPEG-4, H.264, and/or AAC compressed data, you would have to transcode/convert the original data to MPEG-4, H.264, and/or AAC compressed data and wrap it in the target MP4 file container. The QT 7 Pro player, MPEG Streamclip, VLC, HandBreak, and similar free or commercial utilities are commonly used to create MP4 files under Mac OS X v10.6 (Snow Leopard). Normally it is best to avoid transcoding data if possible since transcoding may degrade quality.

Smooth .mov - jerky .mp4-

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