Questions tagged [metadata]

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How can I remove ENCODE İNFORMATİON from mediainfo for H265 HEVC .mkv?

I want to know how I can remove encode settings from the mediainfo with mkvpropedit or ffmpeg? İn this post: Removing MP4 encoding information I found this command: ffmpeg -i INPUT -c copy -bitexact -...
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0answers
37 views

(ffmpeg - mpg to mpg) packet too large, ignoring buffer limits to mux it

I have a strange error message from ffmpeg when I just try to tagg and put a title on audio stream. These metadata concern a mpg file. First, here's my command : ffmpeg -i input.MPG -map 0:v:0 -map ...
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0answers
50 views

How to add metadata tags without altering video structure/format? FFmpeg

I'm modifying DASH-formatted segments, and my aim is to add extra information to the video segment using metadata tags. I'm using ffmpeg to record video from my webcam and store segments named like: ...
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2answers
34 views

Permanent metadata for videos

Is there any existing container (video format) in which the metadata is immutable? I am new to this topic and my use case is that once a video is recorded, I want to preserve the metadata (for ex ...
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0answers
16 views

Color profiles in videos

Does the AV-Kit of macOS use the color profiles that may be in the metadata of video files of some formats such as MP4? I am the manual author for GraphicConverter from lemkesoft and need to explain ...
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1answer
14 views

Phone Video + 3D tracking spatial data for compositing?

With all of the AR capabilities of actual phones, I wonder if there is any app to record video with all the spatial data of the camera which lets you export the virtual 3D camera directly from the ...
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0answers
167 views

ffmpeg dynamic filter values from piped input

I need to run an audio filter on a piped input using its own lufs value as a variable, without writing to disk. I previously bounced the piped input to processedaudio.wav and the command works as: ...
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0answers
13 views

Timecode different from software to another

I have noticed that a specific frame in my video has two different timecodes depending on the software I use: In Adobe premiere: 00:06:13:03 or frame 11193 In Blender : 00:06:13+18 or frame 11197 I ...
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0answers
67 views

PTS DTS indicator in PES frame

I'm trying to add timed metadata into TS files and to the best of my knowledge it is only possible if the PES frame has the PTS DTS indicator with the value 2, which means that only PTS is present. ...
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2answers
818 views

Injecting/embedding/adding/writing metadata to a .mp4 file so it's recognised as 360

I'm working on a library that injects/embeds/writes metadata into a .mp4 file to allow the video to be displayed correctly as a 360 video. The input file is a standard .mp4 file in the equirectangular ...
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457 views

Capture original timecode with ffmpeg from decklink

I am trying to capture tape content via a BlackMagic Decklink Quad 2, using ffmpeg. I believe the timecode is passed on through the Decklink because when capturing manually with MediaExpres the ...
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0answers
128 views

How can I export metadata from Premiere Pro

After I log my metadata (including the description and bin allocation) in Premiere Pro, I would like to export this to a table format (Excel or CSV). Is there a possibility to do this directly or via ...
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1answer
3k views

Removing Metadata Title in mp4 files

I was able to remove metadata titles in mkv files through mkvtoolnix with this code @echo off for /r %%g in (*.mkv) do ("D:\Programs\MKVToolsNix\mkvpropedit" "%%~g" --tags all:"" --delete title ) I ...
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163 views

Saving metadata per frame. What format to use?

I am building some software that does analysis of video. Each frame has metadata associated with it. We save the video so we can play it back later. We would like to be able to play it back with that ...
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1answer
433 views

How to make ffmpeg to generate NUMBER_OF_BYTES tag for every stream in file output?

Can ffmpeg count size of stream in bytes? I want to write NUMBER_OF_BYTES tag for every stream in file output on the fly. Like MKVToolNix does. Input #0, matroska,webm, from 'm:\S01E18.mkv': ...
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1answer
2k views

Do I really need to keep CPI file from AVCHD container?

CPI files accompany MTS files in AVCHD containers created by camcorders. Various posts on video forums suggest that CPI files should be archived together with MTS files, as they contain metadata ...
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1answer
437 views

FFMpeg set language as Unknown or unspecified in a QuickTime MOV

I have to transcode with FFMpeg some video with multiple audio where various audio track are not language related, just music and so on. I would like to assing as language something like Unspecified, ...
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1answer
37 views

Software for marking AND describing places in video

When editing sport videos one of the most tedious and time consuming parts is actually watching the footage and describing where, what and what is quality of the part of the video. For now I haven't ...
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4answers
20k views

How to prevent ffmpeg from dropping metadata?

When I am simply copying a.MOV (from my iPhone) to c.MOV, ffmpeg drops a lot of metadata, (including the time and location of the video). I tried -metadata, but ffmpeg still drops the information (...
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2answers
665 views

Mi Sphere 360, where is stored the gyro data?

I bought a Xiaomi Mijia MI SPHERE 360 Camera, it has an embedded gyroscope. The iOS app allows exporting stabilized movies combining the video and gyro data. The camera records .mp4 files of the ...
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1answer
62 views

Stripping metadata sometimes doubles video, the second half of (doubled) video is without sound

I use this command for stripping metadata: ffmpeg -i input.mp4 -map_metadata -1 -c copy output.mp4 Sometimes it works fine but occasionally the result is as +----------------+----------------+ | ...
2
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2answers
6k views

How do I find out about the shutter speed of frames in a video?

I shot a video at 24FPS, and I want to find out what the shutter speed of each frame was. Quicktime Player and VLC's Info panels don't give me this information. Neither does exiftool. Here's exiftool'...
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0answers
1k views

H264 Remove Encoding Settings - Error FFMPEG

" Removing MP4 encoding information " I have tried the formula of interpretation but I have compared it with such an error. " Unknown bitstream filter h264_changesps " What am I supposed to do?
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1answer
179 views

How to extract and modify data rate and time scale from OpenDML (AVI) file

I'm working on a Python script to bulk transcode video files. These files will have different framerates, and one of the goals is to get them all to the same framerate, by making some intelligent ...
2
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0answers
304 views

Importing marker data into premiere

Premiere has an option to export markers in .csv format but I cannot find an option to import .csv marker data. How do you do this?
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1answer
1k views

Error decoding timecode using ffprobe

I'm using ffprobe to get timecode from an mxf which has DF timecode but with a non DF frame rate. I'm getting the error Drop frame is only allowed with 30000/1001 or 60000/1001 FPS. I'm running ...
2
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1answer
2k views

How to cutting a video and keep all format and metadata

I want to cut long videos into several smaller parts without changing any format and metadata from the original video. I used these commands ffmpeg -i input -ss 00:00:05 -t 100 -c:a copy -c:v copy ...
4
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1answer
2k views

Video metadata: What is “Video delay” used for?

Recently, I'm forced to fiddle with a nasty little problem with videos that have some special metadata attributes, namely "delay" or "delay_relative_to_video". There's a software videoconferencing ...
2
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2answers
2k views

Why does AAC have two Sampling rates?

I am working on a project that reads the meta data of video files with MediaInfo and processes the results. While testing my code with some sample files I noticed that the audio track of a .mkv file ...
13
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1answer
12k views

ffmpeg: explicitly tag h.264 as bt.601, rather than leaving unspecified?

I want to tag video as explicitly bt.601, rather than "unspecified". I know players typically choose bt.601 as the default for videos less than 1280 pixels wide, but I want to make it explicit that ...