A digital multimedia container format most commonly used to store video and audio, but which can also be used to store other data such as subtitles and still images.

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1answer
11 views

How to optimize h.264 to play it on every possible device

I coding videos in MP4 for my windows phone, but now I want to be sure that this videos will be played on every mobile device possible, so question is: What the best unified settings for H.264 codec I ...
0
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0answers
15 views

Ripped by Avidemux AAC-audio from MP4 is not recognized

I'm ripping audio with AviDemux (Audio -> Save audio). Setting is to copy as is. Original codec is AAC. Video is downloaded from YouTube as MP4 and playing very well. But when AAC is saved alone it ...
1
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1answer
152 views

Removing MP4 encoding information

Is it possible to remove certain information form a MP4 file? Specifically things like tagging and encoding dates, Writing library and application, Encoding settings... No client needs to know when I ...
1
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1answer
15 views

How can I generate a color-correct h264/MP4 from a DPX sequence using ffmpeg?

We are converting a sequence of DPX files into an MP4. When the artist uses Adobe Media Encoder CC to generate the video, the colors match the original DPX. When we use ffmpeg, the video has a reddish ...
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0answers
35 views

Is hitfilm 2 ultimate free and open source video editing software [closed]

I've download hitfilm 3 express and hitfilm 4 pro and after spending 4 days editing and adding effects to my film I wanted to export it and there was no option to export it to my computer except ...
2
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1answer
104 views

How can I avoid Quicktime Vulnerability with h.264 encoded MP4 files?

I posted this earlier on SuperUser, but realized that this is likely the more appropriate forum for my question. We have several thousand very large MP4 files that have been encoded over the past ...
0
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1answer
30 views

Can I reproduce video in 1440×1080 12M MP4 on a Full HD TV?

I am interesting in shooting some amatorial videos (family) with a digital camera. At the moment my camera support AVCHD and MP4. I found AVCHD less compatible and more time consuming to process so ...
0
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1answer
27 views

Best encoding to fit 10hours of 1080p in 30gb?

I will be running a 10hour loop on a 1080p screen with only 30gb of storage. The loop will be created from a variety of 1080p .mp4s that will need to be compressed. (for example, one video is 12mins ...
0
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1answer
38 views

How to create MPEG-DASH variants at resolutions where one dimension is not a whole number in pixels?

I've created a bunch of variants and a DASH manifest for Sintel, which more or less works, but does not pass validation. The issue is when I want to scale a video to a specific width, but the height ...
0
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1answer
26 views

Batch encode to X265 on the Mac

I need to encode thousands of MP4 H264 (mostly) files in a folder hierarchy to H265. Unfortunately Handbrake that I'd normally use have dismal support for batch processing of hierarchies. The ...
0
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1answer
33 views

Unable to play a specific mp4 file in VLC player in Ubuntu 16.04

I have this mp4 file in Ubuntu which I am not able to play in VLC (VLC media player 2.2.2 Weatherwax). VLC gives the following error in terminal mp4 demux error: cannot create chunks index This ...
0
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2answers
16 views

AviSynth mp4 Not Supported

(Total beginner) Trying to process an MP4 file using an AviSynth script, as follows: DirectShowSource(inputFile, fps=25, convertfps=true, logfile=logFile) Error message: "DirectShowSource: couldn'...
2
votes
1answer
88 views

Avid Media Composer Not Importing MP4s

I just installed Avid Media Composer 8.4.1, and am trying to edit some screen captured MP4s H.264 format I recorded with OBS. However, when I try to import,transcode or link to file the video layer ...
0
votes
2answers
47 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 ...
8
votes
1answer
2k views

Copying h.264 video from TS into MP4 changes frame rate and time

I have large MPEG-TS file that I am converting to MP4 using the below command. If I seek to the same time in the video in both the MP4 and the TS file, the MP4 will be a few frames behind the TS ...
0
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0answers
37 views

Audio from MP4 (PS4 capture) Keeps Messing Up when Imported into Premiere Pro

I have tried to import some video captures from a PS4 into Premiere Pro, but everytime I do it, there are silent sections in the audio. It has happened to a few different files. I have cleared all ...
0
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0answers
21 views

Quicktime and Adobe Premier “Can't Open .mp4” files

I'm getting a "Can't Open .mp4" error message when trying to open or upload files off of an SD card. Some of the files are fine, others are not. You can see the ones that are bad do not show a ...
7
votes
3answers
3k views

I changed the .mp4 extension of my video to .mpg and it still opens and plays fine (in VLC and in Windows Media Player). Why is this so?

I'm uploading a file to an external system that accepts only mpg or mpeg extension files. I had a mp4 file so I changed the mp4 extension to mpg and I was able to upload the file into the system. ...
0
votes
1answer
57 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 ...
1
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1answer
7k views

Using GoPro Studio to edit non-GoPro videos

I'm trying to use GoPro Studio to create a video that includes GoPro video as well as HD video from an iPhone. GoPro Studio was not able to deal with the .MOV file from the iPhone (the audio was ...
1
vote
3answers
47 views

Best way to trim and save an existing mp4

If I have an existing MP4/H264 video file and I need to trim the start and end, Then save it as an MP4 again, Are there any recommendations on export settings?
4
votes
1answer
41 views

Converting WMV to MP4

I just joined this community and hope my question is acceptable since it is quite "noob" like. I have a .wmv video file that is 1280x720 and causes windows media player to abort after excessive ...
1
vote
1answer
66 views

Issues looping a stream with FFMpeg

I'm trying to overlay a video on top of an image. The problem that I'm facing is that the video duration that I want is longer than my input video's duration. To solve this issue, I try to generate a ...
1
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1answer
48 views

App to rotate .mp4 video for Windows or Android

I have an .mp4 format video filmed in portrait format, when currently played on any landscape format device the people appear sideways. I would like a sipmle app for either Windows™ or Android OS to ...
2
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2answers
2k views

How to extract MOOV atom/metadata from MP4 file?

Can one "dump"/extract the MOOV atom from an MP4 file? If so, how? Hoping for an obscure FFMPEG command. I need to be able to process/play a stream without searching for the MOOV atom over and over ...
0
votes
1answer
90 views

Convert mkv to mp4 (or webM) with the output file viewable in the process

I'm trying to find a way to convert a MKV file into MP4 and actually already start to view it, while it's still converting. The output file would be viewed via Chrome or Firefox and I would like to ...
0
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0answers
20 views

Compressing a large MP4 file that is on 2.30mins long

I have been sent a video that is only 2.30 mins long. But is a whopping 168mb, unfortunetely this has to be embedded into an app - so I need it as small as possible. I need to get the file size down ...
0
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2answers
80 views

Canon Vixia HF R600 - MP4 vs AVCHD

I just bought a Canon Vixia HF R600. It's giving me the option to save files as AVCHD or MP4. I will be importing them to my PC and editing them in Adobe Premiere CC. I'd heard that AVCHD has a ...
0
votes
1answer
19 views

Why is a screencast produced by Quicktime (.mov) is much smaller than the converted MP4 file?

I recently recorded numerous screencasts using Quicktime. The .mov files produced by Quicktime are 2876x1748. To goal was to upload the files to YouTube and so I wanted to convert to the ...
0
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0answers
17 views

saving after effects as mp4 problems

So.. I'm kinda very much a first timer using after effects, a first timer here too, finished a 7 mins long video for an assignment due in two days from now that will decide whether I will pass, but ...
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1answer
73 views

Unedit, remove all edits Video [closed]

How do I remove all edits from my video and view the original footage? I have tried and looked up everything I have gotten closest with after effect and Adobe Media converter.
1
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1answer
63 views

inserting video clip into another video but keep original audio

I need to replace video in a larger mp4 file with a smaller mp4 clip - but leaving the original (larger clip) audio intact. So for example I might want the first 2 seconds of SmallClip.mp4 to replace ...
2
votes
0answers
28 views

ffmpeg h264 crashes IE intermittently

First for moderators, this is relevant because I have incorporated ffmpeg in a program to render videos needed for a web-app. My problem is that the videos I render randomly crash IE 11. Other ...
0
votes
3answers
772 views

Is it possible to create a continuously looping video?

Is is possible to create a continuously looping video? Maybe by editing the container it's in so that it restarts automatically? I have a demonstration video that is playing on a TV in the lobby of ...
22
votes
3answers
22k views

Repeat/loop Input Video with ffmpeg?

I just want to loop a mp4 video with ffmpeg and keep the current settings and codec. For example if input.mp4 is 0:10 long, and I would want to loop it 4 times so output.mp4 is 0:40 long, how could I ...
0
votes
0answers
60 views

Trying to play 2 audio tracks at the same time in MPC-HC

Trying to record some footage, but I have two audio tracks - One track is audio from my PC, and the other track is from my microphone. MPC-HC only lets me play one track at the same time. Any ...
0
votes
1answer
106 views

How can I insert a censor bar into a mp4 movie?

I have a feature film in mp4 format. There is one scene where I just want to place a black censor box to conceal one part of the screen, no more than 7 seconds. I'm a beginner, so my concern is that ...
7
votes
3answers
1k views

Do video formats support colour profiles?

Recently, I was reading a wiki, dedicated to one popular cartoon show and stumbled upon an interesting problem: From left to right: frames from the US iTunes, Australian iTunes and US iTunes version ...
0
votes
1answer
464 views

How to encode video to profile high using ffmpeg?

This is my first post here. I am in a situation where my original file is of profile High and transcoding profile is High10. I am suspecting that this is the cause my video is not getting played in ...
0
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0answers
29 views

MP4 Creation for fast startup

I have transport stream source and recorded this with following ffmpeg command line. ffmpeg -y -fflags +igndts -i udp://127.0.0.1:22500 -map 0 -fflags +igndts -codec copy -bsf:a aac_adtstoasc -...
2
votes
1answer
97 views

Does the MP4 HTML5 compatible video type allow for mono audio?

I'm doing some rendering in Vegas Pro and notice that if I select MainConcept (which gives me an HTML5 compatible MP4) the audio tab only has options for the bit rate and the sample rate. Before ...
0
votes
1answer
42 views

Is there a way to split a mp4 into 2 mp4, one is metadata.mp4 and another is mediadata.mp4

When media data is stored in the end of the mp4 file(it always be there),it is very difficult to extend or delete metadata infos,because metadata will use absolutely offset of this mp4 file to locate ...
1
vote
2answers
8k views

How to fix Sony Vegas 12.0 blank screen render?

I've got video recorded from my phone and I use Vegas to edit them, when I play the video back in VLC player the video orientation is ok, but when I import into Sony Vegas and it asks if I want to set ...
5
votes
2answers
5k views

How to convert an MTS file without loosing quality?

I have shot some videos on a Panasonic v720 camcorder. The videos are huge. I used the internal feature of the camcorder to convert to MP4 and the quality was reduced very much. What is the best ...
3
votes
1answer
382 views

Mp4 Video Container and the Codecs use with it

I have started to learn about mp4 file format, and I just learned that mp4 is nothing but just a container that defines the structure of the video file, and that it has different codecs inside it for ...
1
vote
1answer
1k views

How can I ensure that DaVinci Resolve will detect and/or load my .mp4 / .avi files?

New user of DaVinci Resolve, explain-like-I'm-five. =) Have installed and followed instructions for setting up Resolve 12 on my Windows 7 16gb ram computers with GeForce 760 gpu. Initially, Resolve ...
4
votes
2answers
4k views

Adobe Premiere saves m4v instead of mp4

I have problems with my Premiere Pro. It is first time this has happened, and I cannot understand why. I am creating a timelapse from my images. When I want to export media, I choose format H.264 (...
2
votes
4answers
4k views

Canon C100 mk1 AVCHD vs MP4

I recently bought a Canon C100 mk1 after lots of comparing, specs etc. Now I have a question which I cannot really find a final answer for on the interweb. The Canon C100 can record in either AVCHD ...
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1answer
212 views

Shooting .mp4 with the CANON EOS 600D

Please help. I need to know if I can shoot videos with my CANON EOS 600D in mp4 format. I don't want to go full HD .mov. I just want the camera to record small .mp4 videos - in order for me to load ...
0
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0answers
477 views

Need to convert an MP4 to an SCR

I need to convert an MP4 video (or any file format that I can export in Adobe Media Encoder, really) to an SCR file for a Windows screensaver. I'd really prefer not to convert it to MP4, then to FLV, ...