.m2v file not playing in Quicktime Pro

I just purchased Quicktime Pro 7.6. I have a bunch of MPEG2 (.m2v) files that worked on my old iMac and am trying to get them to work on my new iMac. When I open the MPEG2 files using Quicktime, I get a "the file is not a movie file" error. Again, these are the same MPEG2 files that worked on my previous iMac. When I open the files using VLC, the video works fine, but it VLC doesn't play MPEG2s with audio, nor can it convert. Any idea why Quicktime Pro would not be working? I've tried the files with and without the .m2v extensions also.

There should be a second, audio file that is associated with the m2v. The m2v container does not have the audio. VLC probably can't find the audio track.
So in other words, you guys are saying that Quicktime Pro does not come with the MPEG-2 player component, and that will be another $20?
Unfortunately, that is correct. Another option is [ffmpegx|http://ffmpegx.com>. It is shareware and costs $15.
D.

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Some avi-files not playing on QuickTime Pro 7.0.4

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Thanks for your support!
iBook G4 1GhZ Mac OS X (10.4.4) 60GB, 640MB RAM, Bluetooth, Airport Express

Thanks for all your help guys. I guess I will remain with the VLC for playing AVI files that donnot play on the QT Player as the VLC plays almost any movie file. I came across an interesting article regarding the subject:
QuickTime: About Playing .AVI Files
Learn why an .AVI file may not play as expected in QuickTime Player.
AVI stands for Audio Video Interleave. The .AVI format is what is known as a container format. It specifies a way in which a file may contain audio and video data. It does not specify how that data is encoded. The encoding of audio and video data is specified in what are known as codecs. A codec (short for COmpressor/DECompressor) tells the computer how to decode the audio and video tracks that have been encoded within the .AVI file. QuickTime Player can use numerous codecs by default. You can also add additional codecs to extend QuickTime's features using plug-ins or third-party installations.
When QuickTime opens an .AVI file, it checks to see which codecs were used to encode the audio and video tracks within it. For example, an .AVI file may contain a video track encoded in the Cinepak codec and an audio track encoded with the ALaw 2:1 codec. If both the audio and the video were compressed using a codec that QuickTime can use, the file will play normally. If the audio or video or both were created using codecs that QuickTime cannot use, you may see a message like the following:
"QuickTime is missing the software needed to perform this operation. Unfortunately, it is not available on the QuickTime server"
or
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These messages are not an indication that anything is wrong with QuickTime Player.
Lists of audio and video codecs included with and supported by QuickTime are available from the QuickTime specifications page.
Using QuickTime Player, you may be able to determine which codec was used to compress an audio or video track:
QuickTime 6 and earlier
Open the file in QuickTime Player.
From the Movie menu, choose Get Movie Properties.
From the left pop-up menu in the Properties window, choose Sound Track or Video Track.
From the right pop-up menu, choose Format. The Format section shows the codec.
QuickTime 7
Open the file in QuickTime Player.
From the Window menu, choose Show Movie Info. The codec is listed next to Format.
If the .AVI file is encoded using a codec that is not included with QuickTime, you might be able to find and add that codec so QuickTime can play media encoded with it. Contact the party that publishes or distributes the codec to see if a QuickTime version is available. Many third-party QuickTime components are available on the QuickTime components page.
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.MOV files not playing in Quicktime or importing into iTunes

I have .MOV files that were taken on my iPhone, imported into iTunes and then put in a folder outside of iTunes. Now they will not play in Quicktime. iTunes will not import them. Help!!!

How can I tell that. I have several. I am also unable to view them in the finder window like I can other .m4v or .mov files.

M2v files not playing

I have some older m2v files that will will not show any video in DVDSP the audio plays. Do I need to convert these?

If they are proper m2v streams (not HD and not m2v with audio) they should work...are these m2vs with audio in them (transport streams?)
When you open them in QuickTime do you have sound and video tracks? Sounds like you may....but if they are transport/multiplexed streams you need to make the video part seperate

Why do certain .mpg files not play in Quicktime?

....and will these files play on a IPod Video? The files that this has happened to have had .mpg file extensions and the message I get is that it is not a file Quicktime can understand.

They may be mpeg-2, which sometimes has the .mpg extension. Try this freeware viewer: VLC
I am pretty sure mpeg-2 will not play on the iPod and for that matter I don't believe mpeg-1 will play on it either.
You can try converting mpegs to iPod with this freeware, although it does require the Apple mpeg2 component if the mpeg is mpeg2. Mpeg StreamClip

MP4 files not playing in Quicktime 7.3

Lately, I have been getting the following error when I try to play MP4 files in quicktime on my Mac:
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I have tried updating my Quicktime (I am running Leopard), and that did nothing.
Any ideas?

How can I tell that. I have several. I am also unable to view them in the finder window like I can other .m4v or .mov files.

How can I convert video in a WMA format to play in QuickTime Pro?

I have installed my QuickTime Pro, but cannot play any of my videos that I already have stored on my computer. They are all in the WMA format. Is there anyway I can convert these files to play in Quicktime Pro? I also cannot figure out how to download a video from my digital video camera into QuickTime Pro. Can you help me with this? Additionally, I cannot figure out how to download from my digital camera into QuickTime Pro. All of these functions I would like to do, are so I can take these videos & pictures and download them to my IPOD. HELP - thanks Mike Mirsch

Hi again Mirsch,
I have Mac OS X and I have Quicktime 7.1 Pro.
I know that you can record a movie by making a new movie recording. Use the fire-wire connection to do this and have you camera in playback or deck mode. This is probably not the best way to import video to your pc. I say this because it might not be a lossless ingest of video (depending on your quicktime preferences>recording settings.
Try saving your dv video onto your pc using a program like premier (i use iMovie and Final Cut Express).
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HT3775 I am downloading a Final Cut Pro x project directly to Quicktime. The movie will not play, stating Quicktime doesn't support the codec. I currently am using Quicktime 10.1 on my Mac OS X Lion

I am downloading a Final Cut Pro x project directly to Quicktime. The movie will not play stating Quicktime doesn't support the codec. I currently am using Quicktime 10.1 on my Mac OS X Lion

Wow. Okay...
I'll let the real veterans in this forum tackle your issues one after the other. But, I can tell you, all will be well.
My only comment would be re: your computer specs:
BJReis wrote:
. This may be due to somewhat older equipment:
GHz Intel Core Duo MacBook Pro with a 4GB memory computer with Ddr3 running OSX 10.8.4
To be completely honest, FCPX is a RAM hog. It just is. But, RAM is relatively cheap, and the pay-off is good.
4GB is right on the edge, IMHO. 16G is ideal.
I wish you luck, hang in there, and standby for more help.

AMR files will not play in QT Pro 7.6.6 or QT Player X

I cannot get AMR files to play in QT Pro 7.6.6 or QT Player X, or for that matter VLC or MPEG Streamclip. I have Perian and Flip4Mac installed, but this makes no difference.
System details:
OSX 10.7.5
MacBookPro4,1
Intel Core 2 Duo
2.6 GHz
All software up to date.
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How do you turn on the legacy codecs?
Use the Terminal app.
To check to see if the legacy audio codecs are already enabled, use the following command:
qtdefaults read LegacyAudioCodecsEnabled
All legacy audio codecs can be turned on using the following command line:
qtdefaults write LegacyAudioCodecsEnabled yes
to which your system should respond with the fillowing:
audio encoders have been enabled.
NOTES: This only affects the option to export legacy compression formats. All "compatible" codecs are supposed to be available for playback. For audio, a single command affects all legacy audio codecs while video legacy codecs must be enabled individually. To get a complete list of QT preference commands, simply enter the following:
qtdefaults
The above should be enough to get you started. Have fun and good luck!

Some videos not playing in Quicktime but WILL play on VLC Player

Hello,
All of a sudden, some of my video files will not play on Quicktime. OT reads the length of the movie but when I click play, all I get is a black screen and no sound even though the progress bar rolls per usual. When I open the videos in my VLC Player, the play just fine. This is not with all of my movies. Some movies play fine in Quicktime. Also, if this helps, Final Cut X will not recognize these movie files for import. Am using Quicktime 10.1.
Thoughts? Help? Anyone?
Thanks,
John

Jon Walker wrote:
The .dv videos that will NOT play:
I suspect you may have a number of problems here. The first is having elementary DV and PCM audio streams in a DV stream file container. (I.e. DV/DV audio and video stream data is normally stored in the DV file container while DV/PCM data is normally wrapped in the MOV file container.) The second problem is the fact that the DV video seems to be missing the aspect ratio "aware" information. As you can see from the playing file, the format line should read either
720 x 480 (640 x 480)
or
720 x 480 (853 x 480)
Based on this, I am wondering how old this file may be and/or how it was captured. (I.e., the playback problem may be due to file container not being compatible with the QT X player which, in fact, relies on an embedded aspect ratio parameter rather than the QT 7 embedded "Current Size" setting and is not expecting PCM audio to be contained in a DV stream file container.
These videos are older (almost 10 years old) and they were edited in iMovie HD.
In addition, there is a question (at least for me) as to whether the DV video streams are embedded sequentially or as alternative video tracks. (I.e., if you have QT 7 Pro installed, please post a copy of the "Properties" window.
Installed QT 7 and videos play fine. No issues. I don't have QT7 Pro.
Not sure if this will work, but if I had a copy of the non-playing file, the first thing I would try would be to open the file in MPEG Streamclip and re-save the data to a "real" MOV file container to see if it would then be playback compatible with the QT X player app.
Tried Streamclip and it will save as MOV but the size changes (from 640x480 to 720x480 and I get a stretched look. OT X will play it however. Tried to "export" using differrent formats but with mixed results. Sometimes I got sound but no video. I will continue to fiddle with settings but it doesn't seem like a reliable path to go down.
Could I be missing the codec component? Is there a way to check?
Not very likely if any files play have the same video compression format. Had the non-playing files been encoded with one of the HD DV codecs, then yes, that might have been a possibility whould could have been checked.
Would your answer be the same now that we know QT7 plays the videos without any issues?
Exported out to a .dv file. Format exact same as the working one above. Plays fine.
Of course. You exported the audio and video as a DV compressed data in DV stream file container. Thus, both the file format and compression format are now QT X compatible.
The container is a .dv. I did rename it to .mov at one point to see if that helped but got the same result.
Of course. Changing the file extension is like calling a cup of coffee a glass of coffee—i.e., the coffee is still in a cup. Basically, this only works if the data in the container is already compatible with the file container and the container is compatible with the player. For instance, H.264/AAC compressed data will play in either QT 7 or QT X players whether it is in an MOV, MP4, or M4V file container. On the other hand, "muxed" MPEG-2/AC3 data won't play in the QT X v10.2 player with a VOB file extension but will play if you change the extension to TS or MPG. On the other hand, the VOB or MPG file (with the QT MPEG-2 playback codec component installed) will play in both QT 7 (without audio) and MPEG Streamclip while the TS file won't open in the QT 7 player but plays fine with audio in MPEG Streamclip.
I THINK I understand! : )
I do have a DropBox folder.
If you also have an online DropBox account, then yes, that would be a good method for posting large files. You then only have to post or email the URL to the people you want to have access to the data.
True. One of the issues is that I want to re-edit some of these files which means I need to get them into FCP. I know there is a workaround, i.e. importing them into iMovie like I did and then spitting them out again so they will play but I feel like I am losing quality that way. Aren't I? This was before I started saving projects so I could always go back into them. Plus, I really want to preserve the original files for backup sake.
Jon, thanks again for taking your time with me. Really apprecite it.

Video Files Not Working in QuickTime

I'm trying to play an MPEG-4 file on QuickTime, but keep getting an error saying that the file has invalid data. Normally, I would think that the file is simply corrupt, but it plays on Windows Media Classic perfectly. Any suggestions?

Microsoft uses proprietary codecs and these file will not play in QuickTime Player.
Use WMP to view these MPEG-4 files.

HELP....AVCHD / MPEG files not playing correctly!

I have been trying to download video that was shot with the new Sony FS100 camera that I'm told are AVCHD or MPEG files to my older Adobe Premiere Pro 1.5 timeline, but they are not playing correctly. When I reverse the field dominance, the image plays better but the sound is strange (I was able to speed the sound to 450% and it worked better, but then the balance of the sound from the clip is lost somewhere.).
Any suggestions to make these files play and work correctly? I tried converting them to AVI files but that showed up completely black on the timeline! Anything I've tried either affects the video or audio negatively! I try either makes the image play or stutterThis was shot in regular SD format, NOT HD, so they should be able to play on a standard timeline. Can anyone suggest anything to help please? Much appreciated!

Thanks for your reply, I ran it through Media Info. Here are the results:
Container & general information:
MPEG-PS: 290 Mib 4min22s
1 Video stream: MPEG video
1 Audio stream: AC-3
First Video Stream:
8833 Kbps, 720*480 (4:3), at 29.970 fps, MPEG video (NTSC) (version 2) (Main@main) (Custom Matrix BVOP)
First Audio Stream:
256 Kpbs, 48.0 Khz, 16 bits, 2 channels, AC-3 (DVD-Video)
Please let me know where to go from here. Thanks so much!
Date: Fri, 11 Nov 2011 10:50:15 -0700
From: [email protected]
To: [email protected]
Subject: HELP....AVCHD / MPEG files not playing correctly!
    Re: HELP....AVCHD / MPEG files not playing correctly!
    created by Ann Bens in Premiere Pro CS4 & Earlier - View the full discussion
Welcome to the forum.A screendump of what these SD files exactly are would be very nice.Run them throught Media info.http://mediainfo.sourceforge.net/en
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I'm on OS X 10.6.8 and have a .mov file which plays on QuickTime 10.0 but with choppy video and the sound is out of sync???? File details are Video Codec: DNxHD (AVdn) Resolution 1920x1080 Audio Codec: PCM S24 BE (in24) Bitrate: 1536kb/s Solutions?

I'm on OS X 10.6.8 and have a .mov file which plays on QuickTime 10.0 but with choppy video and the sound is out of sync???? File details are Video Codec: DNxHD (AVdn) Resolution 1920x1080 Audio Codec: PCM S24 BE (in24) Bitrate: 1536kb/s. Any ideas?

Question: Is all the source footage shot in 16 bit audio or is some also shot in 12 bit?
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Using Lion, recent Movies with .mov extension will not play in Quicktime, but earlier ones taken with same camera (Kodak M530) will play fine.

Using Lion, recent Movies with .mov extension will not play in Quicktime, but earlier ones taken with same camera (Kodak M530) will play fine. I have got VLC which runs them fine but cannot get movies saved in iPhoto to play in VLC...and of course its a real bugger to copy moves from iPhoto to another folder; in fact if anyone can tell me how to do that I will accept defeat!

Hello Shad:
Have you downloaded and installed Flip4Mac?
http://www.microsoft.com/mac/otherproducts/otherproducts.aspx?pid=windowsmedia
Barry

Embedded QuickTime files not playing sound

I'm having trouble getting older, embedded QuickTime files to play properly. Many of them do play but without sound.
An example:
The embedded QuickTime files in questions 6 and 10 here...
http://www.linguistics.ucla.edu/people/schuh/lx001/Web_Quizzes/Quiz_07/07web.htm l
...do not play sound.
When viewing the files directly...
Example: http://www.linguistics.ucla.edu/people/schuh/lx001/Web_Quizzes/Quiz_07/07_Quiz_m edia/0706_split_brain_red.mov
...the sound plays properly.
I have done a bit of playing around on a few different machines and have found the following:
2009 MacBook Pro: video and sound play correctly in Safari and Firefox
OS X: 10.7.5
Safari: 6.1.6
Firefox: 36.0 with QuickTime Plugin ?
QuickTime 7: ?
QuickTime X:10.1
2009 Mac Mini: video and sound play correctly in Safari and Firefox
OS X: 10.8.5
Safari: 6.2.3
Firefox: 33.1 with QuickTime Plugin 7.7.1
Firefox: 36.0.1 with QuickTime Plugin 7.7.1
QuickTime 7: 7.6.6
QuickTime X: 10.2
2011 Mac Mini: video and sound play correctly in Safari and Firefox
OS X: 10.9.5
Safari: 7.1.3
Firefox: 31.0 with QuickTime Plugin 7.7.1
Firefox: 36.0.1. With QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.3
2011 iMac: no sound in videos, improper display of video with menu in both Safari and Firefox
OS X: 10.10.2
Safari: 8.0.3
Firefox: 36.0.1 with QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.4
2011 Mac Pro: no sound in videos, improper display of video with menu in both Safari and Firefox
OS X: 10.10.2
Safari: 8.0.3
Firefox: 36.0.1 with QuickTime Plugin 7.7.3
QuickTime 7: 7.6.6
QuickTime X: 10.4
Is this a Yosemite issue? Not being able to play older QuickTime 7 files properly? I'm not sure what else the issue could be since everything seems to work fine in 10.7, 10.8, and 10.9 (unfortunately, I have been unable to test this in 10.10 or 10.10.1). Maybe I'm overcomplicating a simple issue? Any help would be greatly appreciated.
Thanks!

Is this a Yosemite issue? Not being able to play older QuickTime 7 files properly? I'm not sure what else the issue could be since everything seems to work fine in 10.7, 10.8, and 10.9 (unfortunately, I have been unable to test this in 10.10 or 10.10.1). Maybe I'm overcomplicating a simple issue? Any help would be greatly appreciated.
Some very interesting observations which peaked my own curiosity due to on-again, off-again nature of the playback. I suspect this is either a "bug" or represents content handling changes that are currently in the process of "evolving." Not a web site programmer so I used iWeb to run some contrast-comparison tests on how audio was handled by the plug-in software when directly accessing the content by its URL and via the page embed strategies. My results mirrored yours in that:
1) All legacy codecs tested (A-Law, IMA, QDM2, QPV, and u-Law) in an MOV file container played correctly in the QT 7 player.
2) The same files all played correctly when content was accessed by the plug-in software directly using the URL reference.
3) None of the files containing legacy audio compression formats would play audio using the plug-in software using a web page embedding strategy.
4) An MP4 (H.264/AAC) version of you original clip played correctly in all instances.
5) Replacing your QDM2 audio track with an AAC audio track in the original MOV file allowed the file to play correctly in all instances.
Based on these observations, I suspect the problem is in the way the software is currently programmed to handle (or rather ignore) the embedded strategy content. However, as you indicated, it is probably time to update your files. Not only did the H.264/AAC version of your original file play in all instances, but it used less than 45% of the file space/bandwidth for the settings I employed as compared to your original "0706_split_brain_red.mov" original file.

.m2v file not playing in Quicktime Pro

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