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
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votes
1 answer
How to get the offset of a video stream of a mp4 container with ffmpeg?
I can encode a video stream inside a mp4 container with a 1 second offset by running this command:
ffmpeg -i input.mp3 -itsoffset 1 -t 3 -i input.mp4 -c:v copy output.mp4
How can I get back a stream's offset with ffmpeg?
Using this command, I can…
Maxime Dupré
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2 answers
FFmpeg check channels of a 7.1 audio for silence
This is a follow-up question from my previous question asked here, where I needed to look for silence within a specific audio track. Here is the ffmpeg life-saver solution where helps to get some metadata:
ffmpeg -i file -map 0:a:1 -af astats -f…
Tina J
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1 answer
Determine if video stream is a live stream
Is there a way to use ffprobe or ffmpeg to determine if a given stream (for instance http://server/stream or rtmp://server/stream...) is an on-going live stream or is fixed stream (i.e. recorded in the path with no live updates)?
David
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what is bcount in network tuple received
I am trying to analyse network traffic received from fprobe. Sample tuples Im receiving are like this-
{
"bcount": 52,
"protocol": 6,
"Timestamp": "2017-11-15 12:07:20.049+0530",
"etime": 1048514968,
"daddr":…
Yogesh Jilhawar
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votes
2 answers
Run a Linux shell script using a file inserted by the user in Python
I am trying to run a ffprobe command using a pre-defined by the user input file in Python. And then I will use the generated file by this command to report some parameters in a more organized view. My code is:
import subprocess
import json
cmd =…
Georgi Stoyanov
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could use some help on ffprobe
I'm currently running the following command and it's giving me mostly what I need, but I would like to also have it include the file name.
for %%A IN (%VAR0%\*.wav) DO "C:\program files (x86)\ffmpeg\bin\ffprobe" -i "%%A" -show_entries…
Telkoboy
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Is there a way to get FFprobe to return codec_name from firs first video, audio, and subtitle stream in a video in a single call to FFprobe?
ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=noprint_wrappers=1:nokey=1 (filename)
is how to retrieve the codec_name of the first video stream in a file via FFprobe.
Replace v:0 with a:0 to get the first audio…
Chase Westlye
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votes
1 answer
Combining find -execdir with grep
I want to go through a bunch of files in various sub folders within a root directory quickly to get the video and audio format type.
I can get the information I need from a single file using:
ffprobe file.mp4 2>&1 >/dev/null | grep "Stream"
I can…
pasan
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votes
1 answer
ffprobe | ShowFrames | Packet Size | Divide | Add
I am running this statement in shell
for file in /path/to/files/*.mp4; do ffprobe -show_frames $file | grep "pkt_size" > ${file}.txt
done
It would be great if I could get this information too;
When I grep pkt_size row with numbers then I want…
Ben
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3 answers
What is the meaning of "return ret < 0"?
Functions can return a number, pointer, and most of the type you want, but what's the meaning of it?
return ret < 0;
(This code snippet is from the last line of the code, ffprobe.c.)
Kevin Dong
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2 answers
How to use the information from ffprobe to use with ffmpeg. Is there a shortcut to the syntax?
Want to batch convert a bunch of different video files from cli instead of Rolands old-and-slow-drag-and-drop-one-file-at-a-time-software. I have used ffprobe in OS X Terminal here. This shows us what the software did to the file and I want to do…
