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Questions tagged [file-formats]

Refers to the "container" that that data is stored in and how that data is encoded.

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51 votes
3 answers
113k views

How to downsample 4k to 1080p using ffmpeg while maintaining the quality?

I have some 4K 3840x2160 footage in MP4 format that I need to bring down to 1080p. I tried running ffmpeg -i orig.mp4 -vf scale=1920:1080 smaller.mp4 but the result is very poor quality, with the ...
lara michaels's user avatar
19 votes
6 answers
15k views

Is there a video type for vector animation?

Is there a vector-based video type, preferably open-source, so that an animated clip could be produced using "rules" instead of pixel-compression? This would mean lossless resolution-independent ...
ispiro's user avatar
  • 731
15 votes
3 answers
20k views

Need help to fix a broken MP4 which lacks a MOOV atom

Please be forgiving to a video file format newbie, who has travelled far and wide all over the Web in search of a relatively simple question and hoped to get an answer (even a fairly complicated one ...
Gwyneth Llewelyn's user avatar
9 votes
3 answers
15k views

Corrupt MP4 [recording interrupted]

I was recording an MP4 file using PlaysTV, and my computer had a power fault half-way through the recording. I'm sure that the file contains valid data, it's just that no media player will recognize ...
username_unavailable's user avatar
9 votes
2 answers
605 views

How to make sense of video file formats?

In digital video, there are all these different kinds of files: m4v, mov, mkv, mts, mp4, mpeg, and a host of others, and I can't seem to find a clear answer as to what each is good for. (By contrast, ...
Hugh's user avatar
  • 193
9 votes
1 answer
2k views

What codecs/formats are appropriate for full motion video recording for youtube?

I'm recording video game footage via lossless methods, after which I need to compress them and upload them to youtube. I'm not sure which format and/or codecs are best for this. I've been ...
Ben Brocka's user avatar
9 votes
2 answers
2k views

What exactly is AVCHD?

Is it a codec? I don't think so; I believe it uses MPEG4/H.264 for video and AC3 for audio. Is it a container format? Doesn't seem to make a huge amount of sense; there are enough out there already ...
RomanSt's user avatar
  • 286
6 votes
1 answer
141 views

Motion capture and 3D model formats

I have a light background in CAD and modelling, and I want to use some virtual sets with motion capture. I'm trying to determine what program/platform my next 3D model should use if I want to work ...
MonkeyWidget's user avatar
5 votes
1 answer
334 views

Understanding containers and codecs

To my understanding, there is the container format (MP4, MOV, 3GP, AVI) and the codecs (Theora, VP8, H264, XVid, DivX). For what I understand, the container format and the codecs are independent and ...
Arnaud Denoyelle's user avatar
5 votes
5 answers
3k views

Is there a method (or tool) to convert video from a SWF container to another more portable format (e.g., H.264)

I have a client who has misplaced the original source video, only has an SWF, and would like to use it in a non-flash environment. Is there any way to do this? So far, I've tried ffmpeg but it's ...
bchang's user avatar
  • 151
4 votes
1 answer
52k views

Big difference in the video file size after the conversion (.mov to .mp4)

After converting from .mov into .mp4, a video file is greatly reduced in size (.mov - 75,2mb .mp4 - 11,9mb) - does this mean that the converted video degraded (loss of color information, or the ...
Rumata's user avatar
  • 165
4 votes
3 answers
10k views

What is the most basic standard raw video format?

What I mean by the question is, for audio we have the WAV file format which stores a representation of audio where each word stores the intensity of one sample of audio. In addition to this there is a ...
user17915's user avatar
  • 145
4 votes
1 answer
4k views

How are video and audio streams placed in 'container' files and what interrelations do they have?

So far I have been guessing my way through the types of audio/video streams and getting them mixed up with containers. For example, I have had a friend tell me that a video file which won't play on my ...
Bendy's user avatar
  • 153
4 votes
2 answers
4k views

why is a video file with .mts extension so huge?

I just recorded a 2 minute long video clip with my Sony camera. The output is an .MTS file, which is ~450 MB. What is the reason for that? Could you please recommend a (preferably free) app that I ...
user avatar
4 votes
1 answer
34k views

How to: Add Chapters, Sections, markers to video files to help direct access, skipping/ fast forwarding?

How to: Add Chapters, Sections, markers to video files to help direct access, skipping/ fast forwarding? PS: Asking for Non ISO video file formats that support these: MKV does for sure, I am ...
Alex S's user avatar
  • 169
4 votes
2 answers
5k views

converting to .MJP files

I would like to convert some short videos to .MJP format, and none of my preferred tools for video conversion can do this. Can anybody suggest free software that can achieve this? OSX preferred, but ...
Michael Stern's user avatar
4 votes
2 answers
102 views

Best format for audio track with a single/few images

What would be the best (e.g. most compact) format for a "video" that is actually an audio track with a single static image the whole time? (example) And if it was not one static image, but a slow ...
Baruch's user avatar
  • 143
3 votes
3 answers
441 views

Video Encoding - Wasting Space

I am facing a common issue that I cannot find a term to describe: I have a few low quality VHS rips that were encoded with a certain Apple ProRes codec (irrelevant in the context of this particular ...
obsidian's user avatar
3 votes
5 answers
717 views

Utility or method for joining MP4 files

I have two MP4 files that I generated with Camtasia Studio. I need to join them together post rendering with Camtasia (it can't be done during the Camtasia rendering process). Looking for a utility or ...
Jim McKeeth's user avatar
3 votes
2 answers
178 views

Adobe Premiere & Final Cut Pro project file standard?

Is there a standard for non-linear video project files? I want to create a slideshow of my life using jpg + mp3 files and want to be able to tweak it many years from now. My fear is that if I use ...
Sridhar Sarnobat's user avatar
3 votes
2 answers
29k views

poor quality export of still images from premiere

This is the actual source image to a video track in Premiere (a PNG): With no resizing whatsoever, and .flv output, this is a resultant frame from the exported video: How could I improve the output ...
Cel's user avatar
  • 185
3 votes
2 answers
395 views

What it means "a royalty free alternative" to video/audio (WebM format)

The WebM format says: WebM is an audiovisual media file format. It is primarily intended to offer a royalty-free alternative to use in the HTML5 video and the HTML5 audio elements. I am not too ...
Lance's user avatar
  • 93
3 votes
2 answers
147 views

Convert .WMV to .MOV

A client gave me a file in Windows Media Video format. I need to edit it in Final Cut Pro X. The problem is that Final Cut Pro X can't read it. Neither can Apple Compressor. It has a Quicktime logo, ...
Crowder's user avatar
  • 687
3 votes
1 answer
6k views

What ffmpeg/avconv format and container will Adobe Premiere Pro accept, out-of-box?

All of these converted, but Premiere Pro only loads the audio. I use Ctrl-I to import the videos, and they come up as waveforms, and can only be placed on audio tracks. These examples use avconv, ...
Brigand's user avatar
  • 527
3 votes
1 answer
1k views

Which different EDL types exist?

Edit decision lists are integrated in every pipeline nowadays. I've seen different types of it, but wikipedia only knows CMX 3600 EDL and a xml modification. Which other formats exist and what are ...
p2or's user avatar
  • 2,324
3 votes
2 answers
10k views

exporting .mov vr to multiple still frames

Ive got a quicktime VR in .mov format i need to strip the all still frames (in total there are 250) out of it and have them in as individual images, preferably pngs or jpegs. I was looking at using ...
sam's user avatar
  • 173
3 votes
2 answers
1k views

jvc recorder .ced file

I recorded some videos using a JVC recorder. Now I am trying to upload those videos to my PC, but the format it .ced. How do I play/convert this file to a different format on my pc?
user6752's user avatar
3 votes
3 answers
232 views

Video (or audio, too) format that stores multiple languages in the same file, but only the parts that are different?

DVDs or similar often offer different dubs of the same movie, TV show, etc. on one disk. Storing a whole different video track (and audio track, too) for a movie seems a bit wasteful, given that the ...
JesseTG's user avatar
  • 131
3 votes
1 answer
356 views

Video fails to play in QT browser plugin. Encoding problem?

I have a video that fails to play in the QuickTime plugin in Internet Explorer on Windows 7, but it plays fine in the standalone QuickTime player. I suspect that this may be an encoding problem, and I ...
Dustin Rasener's user avatar
3 votes
1 answer
560 views

`Format profile` property in MediaInfo

I got two media files: the first is an application window capture, the second is desktop cature. The only difference between them is that one has format profile section with value OpenDML in MediaInfo,...
rook's user avatar
  • 169
3 votes
1 answer
7k views

Can't import some .mov files into Adobe Premiere, it says "Codec missing or unavailable"

I am trying to import some .mov files into Adobe Premiere project, but I keep getting the following error message "Codec missing or unavailable", this only happen for certain .mov videos which have ...
major's user avatar
  • 131
3 votes
2 answers
3k views

How does MKV segment linking work?

I downloaded a file vid1 that is in C:\dir1\ which links to another file vid2 in a subdirectory C:\dir1\dir2\ and it works if I move that file to dir1 (so both files are in dir1). I figure that it'll ...
Jack's user avatar
  • 151
3 votes
1 answer
237 views

How can I see each frame of a mpeg transport stream under windows?

I am looking for a tool, preferably free, that will allow me to see and save each frame from MPEG-2 Transport Stream (video/mp2t).
sorin's user avatar
  • 173
3 votes
1 answer
618 views

What metadata can be stored in a .dv file?

I'd just like to know what information I can expect to extract from a dv file. A lot of file formats have provisions for embedded metadata of all sorts, so my question is what if any data could a .dv ...
Carl's user avatar
  • 155
2 votes
3 answers
3k views

Recreate basic AVCHD from MTS files

My dad has a Sony HXR-NX5E which writes its output to SDHC cards in AVCHD format. Wanting to back up his video and not understanding the AVCHD structure, I originally got him to copy the contents of ...
Paddy O'Loughlin's user avatar
2 votes
2 answers
5k views

Easily convert & archive a bunch of low res Video CD DAT files MPEG 1/2 to newer better format such as MKV or others?

Each file is around 350-650 MB. This is the media information from the Files: https://i.sstatic.net/kBcWf.png How could I better archive it? Easily convert & archive a bunch of low res ...
Alex S's user avatar
  • 169
2 votes
2 answers
3k views

Difference between 4K Edition and 4K Cineform

On this page I found this here: http://www.timescapes.org/products/ And I don't get it, because 4k Ediition is only 25gb and 4k cinema is 330gb. What is the difference if both are 4K (4096 x 2304) ?...
Derfder's user avatar
  • 211
2 votes
1 answer
3k views

What is the difference between VP9 and ​WebM?

The ffmpeg manual states that: libvpx-vp9 is the VP9 video encoder for ​WebM, an open, royalty-free media file format. What is the difference between the VP9 and WebM?
Adam Matan's user avatar
2 votes
2 answers
3k views

Change output using a .jsx script for After Effects CS6

I've made a script that will loop through a (.txt) interchanging elements of a certain composition. Within the script, I add each changed composition to the render queue and output it. How can I ...
cwiggo's user avatar
  • 123
2 votes
2 answers
924 views

Lossless color compression

I need to reduce the file size of an mp4 video. I don't need color information at all but pixel brightness resolution must be preserved. Videos consist of white background with a few (important) black ...
Stefan Popp's user avatar
2 votes
2 answers
25k views

What is the best universal video format / extension so that it can be viewed on iPad and PCs

So, someone asked me this question today, and I am very curious about the answer. This person wants to put up a video on a website, and wants it to be viewable on both the iPad and on PCs. They don't ...
Rolo's user avatar
  • 131
2 votes
1 answer
67 views

How to convert a 720° ".ts" video recorded with an AllieCam360?

I have an AllieCam camera to record 720 videos 360x2 lenses. The format it use is .ts and the program requires you to login online. Now the manufacturers drop the business and the web site is offline. ...
Moreliain's user avatar
2 votes
3 answers
324 views

Is there a video container which is able to handle segments of different video quality (or even size)?

Let's assume I have a video of 10 minutes length. And I want to reduce its size by having some parts in high bitrate, while other less important parts can be low bitrate. For this I'd cut the original ...
isync's user avatar
  • 174
2 votes
2 answers
291 views

What video formats should I support (as of 2014)?

I run a website that has offered downloadable instructional videos for 7 years. We have traditionally supported both mp4 and wmv formats. I would like to simplify my life by just offering one format ...
pixelearth's user avatar
2 votes
2 answers
7k views

Is it possible to store subtitle srt files in an m3u playlist file?

I have a folder that contains around 51 videos and another folder with their respective subtitles. I don't want to merge the folders into one folder so I was wondering if there's a way to store ...
Yahya KACEM's user avatar
2 votes
1 answer
56 views

Format to view on iOS and PS3?

I have Apple Compressor and have been trying to determine the correct format for my videos to allow them to play on both the iPad and my PlayStation 3 via a Media Server. Can anyone help me to ...
swatkins's user avatar
  • 123
2 votes
1 answer
4k views

WMV vs MP4 Streaming & Download

I work for a company that outputs videos in many formats. We currently stream movies in FLV format, offer downloads in a WMV and MP4 format. However in the interest of saving server space and ...
azz0r's user avatar
  • 123
2 votes
1 answer
214 views

Recover mangled VirtualBox-generated WebM video

When being called by the Indian "Microsoft" department I let them join in on my VirtualBox virtual machine, and started a video capture to catch any details on them. Doing so, VirtualBox creates ....
Carl Colijn's user avatar
2 votes
1 answer
83 views

How should I understand audio levels in FCP7 xml?

I'm a software developer working on an application which takes a Final Cut Pro 7 xml file as input, and reads the audio in that XML file (for reporting purposes). For any given <clipitem> ...
sbrattla's user avatar
  • 121
2 votes
1 answer
264 views

Ways to open a corrupted .avi?

I recorded some game footage using MSI afterburner and accidentally closed afterburner before stopping the recording and now I can't open the resulting file. MPC, VLC, Sony Vegas can't open it. MPC ...
aesca's user avatar
  • 23