ffprobe gathers information from multimedia streams and prints it in human- and machine-readable fashion.
ffprobe gathers information from multimedia streams and prints it in human- and machine-readable fashion.
Questions tagged [ffprobe]
446 questions
2
votes
2 answers
Program hangs while using ffprobe on file with teletext subtitles
Having a problem running ffprobe on an MKV file that contains teletext subtitles. Code is in a C# library and works fine for other MKV files.
Running the latest:
ffprobe -v
ffprobe version N-42347-g299387e Copyright (c) 2007-2012 the FFmpeg…
Jon
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2
votes
2 answers
How to mock an .mpg file for unit tests?
Ok. I have a class which runs this command:
ffmpeg_command = "ffprobe -v quiet -print_format json -show_format -show_streams %s" % self.absolute_path
Where self.absolute_path is a path to a movie, let's say .mpg file.
The file I am using for…
Richard Knop
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1
vote
1 answer
Trouble Executing ffprobe Binary in Node.js on Local Machine
I'm facing an issue executing the ffprobe binary within a Node.js script on my local machine. I have a Node.js script that uses the fluent-ffmpeg library to extract video metadata using ffprobe. While I can execute the ffprobe binary directly from…
dzul.stellar
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1
vote
1 answer
Difference between duration from mvhd box and ffprobe for mp4 file
I need to determine the duration of the video without relying on ffmpeg/ffprobe. To accomplish this, I created a program that searches for the mvhd box, reads its timescale and duration, and calculates the duration in seconds by dividing the…
Jiyeon Park
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1
vote
1 answer
How to gracefully terminate ffmpeg process alongside with ffprobe process?
I was able to terminate ffmpeg process gracefully when it's the only ongoing process. Now I also have ffprobe process alongside with ffmpeg process that tracks the progress of the ffmpeg process. It throws the following exception when I try to…
duruburak
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1
vote
1 answer
ffmpeg command exports flac with wrong 'length' metadata, works fine for mp3
I have some audio recorded in Audacity 3.2.3 that I have exported as an mp3 and a flac. Then I have this file split_by_silence.sh
Which has hardcoded input path values that take an input file, split it by detecting silence, and then finally run an…
Martin
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1
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FFmpeg concat demuxer and keyframes
I am trying to use to the concat protocol but I have troubles with keyframes
I use this ffprobe command to visualize the keyframes pts of my videos:
ffprobe -loglevel error -select_streams v:0 -show_entries packet=pts_time,flags -of…
Rems
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1
vote
0 answers
How do I get an InputStream out of a Mono?
Bear with my noobness, I am learning web-flux. I had this simple application that takes a video and extract the audio using FFprobe and FFmpeg, so I thought of redoing it reactively, but I am failing…
Einfari
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vote
1 answer
How to install and use ffmpeg in Laravel 9 with laradock?
I have been spending hours figuring out why I always get an error "Unable to load FFProbe" after installing the FFmpeg package.
1/ I read that I need to add the following line in the .env file
PHP_FPM_FFMPEG=true
2/ I restarted apache and run the…
Paul Godard
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1
vote
0 answers
FFmpeg throwing error during video render process using Remotion
I'm using a tool called Remotion, which allows you to create videos using javascript (node & react). I have the server-side rendering process working, unless I try to include an mp3. Per their docs, I have my audio imported like this:
import…
Vince
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1
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1 answer
ffmpeg: What is the best practice to keep a live connection/socket with a camera, and save time on ffprobe
Today... I used the following command: with subprocess.PIPE and subprocess.Popen in python 3:
ffmpeg -i udp://{address_of_camera} \
-vf select='if(eq(pict_type,I),st(1,t),gt(t,ld(1)))' setpts=N/FRAME_RATE/TB \
-f rawvideo -an -vframes…
Jeff Strongman
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1
vote
1 answer
How To Asynchronously Check Video File size During Transcoding Process In fluent-ffmpeg
Is there a way during the ffmpeg compression process to determine over various intervals the exact filesize that a video is at?
Such as a method to get current filesize during the process to use when comparing against the videos original…
twominds
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1
vote
1 answer
FFProbe XML XPath
I'm stuck trying to use XPath and pull the variables out of this XML provided by FFProbe.
/ffprobe/streams/codec_type
user3500099
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1
vote
3 answers
Difficulty with ffprobe in Python 3.10
I'm very new
So this getLength function will run fine in python 2.7 but I can't get it to work in 3.10. Was wondering if anyone could suggest what may need to be changed because I am at a loss. When I try to print the return there is nothing there.…
animelovah
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vote
2 answers
Get the size of ID3v2 tags for an audio file
ffmpeg is the defacto tool for getting audio information from a file/URL. But I am a bit stumped on how to get the size of the ID3v2 tags for the same.
Example of what information ffmpeg gives when we use ffprobe:
Input #0, mp3, from 'FILENAME':
…
checkmate101
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