Questions tagged [ffmpeg]
Media tool with support for multiple codecs, filters, and containers. Include your actual command and the complete console output when asking questions involving FFmpeg tools. An easy way to do this is by adding `-report` to your command and pasting the contents of the logfile generated. For help with CLI use only of ff* binaries - ffmpeg, ffprobe, ffplay. For help with API usage, post on Stack Overflow.
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Concatenating audio with image for video in ffmpeg causes infinite video
I'm attempting to concatenate 2 audio files, with a 5 second silence between them. This will also have a still image for the video.
I'm following the example of the same thing here How can I add ...
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To make 'trim' and 'atrim' work synchronously
The following command trims a video using the trim video filter:
ffmpeg -y -i input.mp4 -vf "trim='00\:00\:05':'00\:00\:10',setpts=PTS-STARTPTS" output.mp4
But if the video also contains ...
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ffmpeg not rendering all characters
am trying to burn captions on a video using below ass file
[Script Info]
; // 此字幕由爱幕生成
Synch Point:1
ScriptType:v4.00+
Collisions:Normal
[V4+ Styles]
Format: Name, Fontname, Fontsize, PrimaryColour, ...
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Adding custom tags to AVI video file
I use software that accepts another AVI file, but not mine. I converted my file to have similar properties, and currently, there is not much difference between the files, I think the only thing I have ...
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Green screen on RTSP stream from USB camera using mediamtx (ffmpeg)
I need to cast a stream from a USB camera via RTSP as stable as possible (at any moment i need to be able to get a static picture on a remote host, reflecting the real state of affairs in front of the ...
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Can you give some advice to young noob [closed]
For a student who has just learned c++ and ffmpeg for a year and a half, looking for audio and video development work that can be written on the resume, do you have any good project recommendations?
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How many instances of FFmpeg commands can I run in parallel?
I tired running 8 commands in parallel to fully utilize the CPU and speed up Video conversions, something like this:
ffmpeg -i input.mp4 -t 60 -f mp4 /mnt/a.mp4 > /dev/null 2>&1 &
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How much and what data is lost in ffmpeg transcoding? [closed]
I'm a ffmpeg noob, I don't know much about it except for a basic idea about encoding/decoding and a few videos I watched over youtube about it's usage. I also don't have a big background in digital ...
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Add custom time to video frames using ffmpeg
I am using ffmpeg to encode raw pixels data (bgr32) into a video file.
Pixels data is being sent from java application to ffmpeg stdin pipe.
I am looking for a way to add a timestamp overlay to each ...
CommunityBot
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FFmpeg: To trim a video using 'trim' and specify time using HH:MM:SS format
FFmpeg 7.0.1. I want to understand whether it is possible to trim a video using trim and to specify start and end time using the HH:MM:SS format instead of just seconds.
That is, the following command ...
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How to change output to timestamps for ffmpeg freezedtect?
ffmpeg -i demo.mp4 -vf "freezedetect=n=-60dB:d=5" -map 0:v:0 -f null -
Will output:
lavfi.freezedetect.freeze_start: 324.266667
lavfi.freezedetect.freeze_duration: 5.066667
lavfi....
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Ffmpeg drawtext on top of scaled video regardless of image size
I am making a video from single image using ffmpeg and draw text on top of the video.
How can I drawtext that will overlay on top of the scaled video size instead of the image scale?
Right now when ...
CommunityBot
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FFmpeg -ss option and keyframes
I would like to clarify that I understand how to use -ss, -t, -to, stream copy, and the difference between stream copying and reencoding/transcoding.
What I don't understand, is how the seeking/...
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Best settings to compress a 4K 60fps ProRes 422HQ video to ~50GB HEVC using FFmpeg? [closed]
I recently upscaled a 1080p 60fps 90-minute video to 4K using Topaz. The output was set to ProRes 422HQ, resulting in a file size of 1.2TB. Naturally, I don’t want to keep the file this large and aim ...
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Ffmpeg image parameter for YouTube
Is there any image png command equivalent to parameter below?
ffmpeg -loop 1 -framerate 2 -i input.png -i audio.m4a -c:v libx264 -preset medium -tune stillimage -crf 18 -c:a copy -shortest -pix_fmt ...
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