Questions tagged [mp4]
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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Gray screen issue after recovered video with ffmpeg
After recovered ".mp4" videos from mobile phone, some videos were corrupt. I used the FFMPEG method to fix the videos. Some CMD commands below;
First Code: recover_mp4.exe good.mp4 --analyze
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How much better is Thunderbolt external HDD for video editing?
For the two activities of
transferring 10GB-large mp4 (.mts) video files from external HDD
to laptop, and
editing these same files directly on the connected external HDD drive,
how much better/...
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SD cards are being replaced by what connectivity port for PC video editing?
Alot of the new gaming laptops and performance PCs no longer come with SD card readers. Most video camcorders and DSLRs store footage as mp4 video on SD cards though.
If SD card readers are no longer ...
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ffmpeg how to change audio tbn
I changed my video container with:
ffmpeg -hide_banner -y -i in.mkv -c copy -video_track_timescale 1k out.mp4
But video_track_timescale only changes video tbn, not audio tbn.
To check it:
ffprobe -...
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What are the apparently extra files on a DVD, and what gets lost when the VOB file is converted to MP4?
This is for curiosity only; I'm not trying to break copyright.
(I own the disc and there's a much better quality version available on YouTube).
I copy one file from the disc, convert it from .vob to ....
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Converting MTS to MP4 gives strange artefacts
I am converting video taken with various personal cameras in .MTS format to mp4 in order to reduce the file size. I am getting some strange artefacts and I wonder what simple mistake I am making?
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How to add subtitles choices to MP4
So I have a Mp4 file, and I want to add multiples subtitles choices to it that will stay forever. A bit like how YouTube, like there are the subtitles choices, and you select which one you want or ...
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why does video need to be in video container files? and why do those file need to be in multimedia container files?
this might be a tough question but i feel the need to ask
why does video need to be in video container files? and why do those file need to be in multimedia container files?
when people where first ...
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ffmpeg-converted video file won't play in Windows Media Player or Movies & TV
I am using ffmpeg-python to convert an hevc mkv file to an h264 mp4. This is the relevant code:
ffmpeg.input(video_file).output(out_name, vcodec='libx264', **{'pix_fmt': 'yuv420p'}).run()
Yet after ...
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Do mobile phones really record in these odd framerates?
I received several video files for editing that were recorded on a mobile phone. (Samsung G11, if it matters.)
When I brought the files into VEGAS (still using version 15.0 Platinum), it reports some ...
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Grey overlay when reading mp4 files in WMP
For a few days, when I play a mp4 video in Windows Media Player (WMP), there is something like a grey filter/overlay.
Thus, the whites are greyish and blacks lack depth. This problem is only ...
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Change default subtitle track in Dolby Vision mp4
I need change default subtitle track in dolby vision mp4 file.
I'm tried to remux via ffmpeg - but after that my tv tell me - the file not supported.
For example - on default track 3 i have forced ...
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"Non-monotonous DTS in output stream 0:0 This may result in incorrect timestamps in the output file." error
Adding all mp4 file in the directory with FFMPEG .
my usual command:
ffmpeg -f concat -safe 0 -i <(for f in ./*.mp4; do echo "file '$PWD/$f'"; done) -c copy output.mp4
This shows below ...
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Using FFMPEG to convert an MKV with multiple subtitles, audio tracks and chapters to a plain mp4
I have MKV files which contain multiple subtitle options, multiple audio options, and multiple chapters.
I'm wanting to convert to MP4. The MKV's are x265 with DD 5.1. I just want x264 MP4's with ...
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How to copy the file name to the video metadata title?
I have a bunch of video files, They have the correct file name but the title in the metadata is gibberish, I want to copy the file name & set it as the tile in the metadata.
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How to convert camrec to mp4 using ffmpeg?
I raise such problem but in the same post I raise the solution.
The first thing to know is that the .camrec format (from Camtasia) is a compressed file, so we must first decompress these files before ...
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Cryptic FFmpeg + Python error: "Cannot find a matching stream for unlabeled input pad 0 on filter Parsed_crop_1"
I want to use ffmpeg with Python in a Jupyter notebook to create a video from 2000 PNG image files generated by matplotlib. I'm on a Windows 7 machine.
The frames are very narrow and high, so I'd like ...
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How can I easily shrink over-large MP4s where high quality is not relevant?
I have some smartphone video that is absurdly large for what is low-quality casual video: 100MB per minute. What is the easiest way to compress this (on Mac) using command-line or GUI, given that I ...
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DVD similar menu for USB with mp4 movies that work on SmartTV with USB?
I have converted my old VHS-movies to MP4 and put them on a USB to be able to watch them on my smartTV which works well. However, I want a DVD-simular menu where I can have a description, and maybe a ...
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ffmpeg to output something video/mp4; codecs="avc1.42401f" can read
I have a webapp that plays a video through the MediaSource API. The codec is set to video/mp4; codecs="avc1.42401f" and I cannot change that.
I'm able to play the following file https://...
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Decode frames from mp4 file while new ones are encoded into a it
I wrote a video player (written in C++ and C#) that shows a live video stream and also encodes it into mp4 file at the same time. I want to also be able to playback (seek backward or forward) the ...
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Can I check if audio was removed from a mp4 video file?
I have a mp4 video file that has no sound.
I would like to check if its audio was edited/removed.
Can I somehow check this in the meta data?
Are there any other hints that the audio was removed?
The ...
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Trimming mp4 file with multiple audio tracks
Setup:
For recording gaming footage I use OBS together with Voice meeter to split my audio sources for later editing with DaVinci Resolve.
I use the "Replay" function of OBS that records the ...
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How can I transcode webcam MP4 footage to ProRes without losing lip-sync?
A client has recorded footage on a webcam and delivered it as MP4 files.
I am trying to transcode these files to ProRes 422 LT to work with them in Premiere. However, on doing so, the audio goes out ...
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How can we keep the subtitle track when converting from MKV to MP4 with ffmpeg?
I have an MKV with integrated subtitles as such:
I want to keep "English [Full] - [English]" when converting to MP4.
Currently I use this command:
ffmpeg -i myMovie.mkv -vcodec copy -acodec ...
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FFmpeg embed thumbnail Windows
I have seen commands like this online:
ffmpeg -i video.mp4 -i image.png -map 1 -map 0 -c copy \
-disposition:0 attached_pic out.mp4
However these command don't work as advertised with Windows ...
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How to open MP4 video with mp42 codec (hvcC) in Vegas Pro?
Apparently the video is with no content. Vegas pro detects the file but shows a black footage for 8 hours. Thanks in advance.
General
Complete name : C:\Docs\A09_20220424145630_007....
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Confused about Bitrate
I am recording demos using a screen recorder (Wondershare DemoCreator) which will be uploaded to a video streaming website.
The website has certain recommendations for video quality like,
Codec: H.264
...
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DaVinci Resolve 16 - Can you embed markers as chapters into the rendered metadata?
In DaVinci Resolve 16, I see that you can edit the Metadata and that will get embedded into the mp4 container. I also noticed that if an mp4 has embedded Chapters that Resolve doesn't recognize those ...
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MP4 file has incorrect length (duration) and plays back 5x slower than it should
I have five GoToMeeting (GTM) .mp4 recordings that I saved and downloaded from a five-day class I was teaching. Each recording represents each day's appx. 8 hour class duration. I am importing them ...
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Compressing video to specific size accurately
I'm using guide provided at this page to compress videos to specific size with ffmpeg. The sizes I'm aiming are relatively small (8mb wanted compared to 50mb original) and when I'm trying to compress ...
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MP4 Playback Compatibility Issues on files with Chapters
I'm trying to distribute an MP4 file with Chapters included, I'm fine if devices not supporting the chapters just ignore them, so long as the video still plays. I recently discovered some devices won'...
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How to edit my Playstation 5 4K gameplay?
Members. I'm facing a few issues while trying to edit 4K gameplay footage from my PS5. PS5 has two options to capture gameplay:
1080P (.mp4)
4K (.webm)
First, the captured 4K footage extension is ....
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How to play Video TS folder in VLC or convert it to MP4
I am trying to play a DVD by copying the contents (a Video TS and a Jacket_P folder) to my computer. I copied the Video_TS and Jacket_P folders from a DVD to my computer. The Video_TS folder has the ...
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How is this .mp4 file 596523 hours long?
I came across this joke mp4 file online. (Warning: direct download link to an 8 mb file.) Media players as well as ffmpeg both list the file as having a length of 596523:14:07.00 (!). My first guess ...
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Issue after importing video in Premiere
I imported some videos in Premiere Pro (MOV format, captured with iPhone), but after adding them to the timeline, they start to have issues, like video and sound not sync, and videos that repeat ...
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.EXE VIDEO CONVERT TO MP4
I have a video that extension is .exe. I try to open this file in Windows but I can't. I try to convert this file to mp4 but again return empty file. How can I open .exe video?
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Need to concatenate several MP4 from Garmin dashcam with telemetry
I have a Garmin 66W dashcam for my work (street mapping surveyor) which produces several 1min. MP4 videos of my journey (60 min. = 60 videos).
All these videos have telemetry data on it as metadata (...
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Fragmented MP4, speed up initial image (change fragmentation on-the-fly)
I need to remux a live stream from an RTSP container to framgented MP4.
Video stream is a h264 baseline one.
I can have a very good results with ffmpeg, however, I'm struggling with one key thing:
I ...
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How do I use the transitions in Davinci Resolve 17?
This program stands in stark contrast of the simple but effective Windows Movie Maker of old, Davinci is not as 'simple' and it seems like it very 'complex' at times. One of the things that I liked ...
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How to make DVR-generated MP4 easily playable in Windows?
I have a HAR324-8 DVR, and when I export a video clip, I get an MP4 that I cannot play with Windows Media Player 12, Chrome, or Edge browser. When I open the file with VLC Media Player 3.0.16, it will ...
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A 2 Gigabyte MP4 file on AWS S3 can be played on Browser instantly (no need to download the whole file before streaming), why? [closed]
I thought when streaming a mp4 file on a browser, the browser needs to download the whole MP4 file before playing, because the player needs to know metadata like video codec, audio codec, etc. and ...
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Combine mp4 video and a RTMP stream into 1 RTMP output stream via ffmpeg
I need a ffmpeg command to first feed a mp4 video into a RTMP output stream, then followed by a RTMP input subsequently; what should be the parameters to get it working?
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Is my MP4 file size too big?
I am working on a film, which I'm editing, and I rendered the one-hour long video to MP4, and the file size is 64,8 GB, and I think it's absurd, when google says the typical file size for MP4 is 700 ...
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Video Stream Loop FFMPEG for YouTube, what is missing here?
I am using FFMPEG for streaming 24/7 mp4 video on youtube.
The video is somewhere in 2 minutes, the stream starts but does not go on replay, what should I do?
I am using this code:
@echo off
d:
cd &...
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imported a movie now it has two audio tracks
ok, so i ripped a dvd with handbrake, converted it to an mp4, i import the mp4 to kdenlive and kdenlive is doing this thing where it's giving me two audio tracks, so at first i thought it was a right ...
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Lossless convert 3gp video to mp4 using ffmpeg
I'm trying to get lossless conversion of 3gp to mp4 using ffmpeg.
I tried
ffmpeg -i input.3gp -vcodec h264 -c:a aac output.mp4
I tried with "libx264" for the video codec, I tried just a ...
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545
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Converting m2ts to mp4 with ffmpeg I get empty date fields
I am trying to turn an m2ts to an mp4 and add geotagging metadata to it in the process.
I am using the following command
ffmpeg -i input.m2ts -movflags use_metadata_tags -map_metadata 0 -metadata ...
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same image MP4 and png color differences
I'm making a 3D animation but, parts of it need to be static. I can use png renders for that, but pang format have slightly another color than mp4's. Because of this, ther's a visible difference when ...
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Video format for instagram
I need convert to the .mp4 video with this requirements.
Container: MOV or MP4 (MPEG-4 Part 14), no edit lists, moov atom at the front of the file.
Video codec: HEVC or H264, progressive scan, closed ...
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