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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How do you create an ffmpeg lossless image without re-encoding?
I'm using the command below but not sure if it’s really lossless and without re-encoding? Is there specific command to create lossless image and without re-encoding? I'm new to this.
ffmpeg -lavfi &...
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Apple 14+ is not playing this audio, used ffmpeg to increase volume in audio [migrated]
I recorded an audio using audacity, then increased its volume 10 times using ffmpeg. When I am sending this audio as attachment to my friends to test, then people with older i-phones are able to hear ...
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How can I delay a particular rectangular region in a video relative to the rest of it using FFMPEG or other software?
I am watching a video which is a power-point presentation but it also has a view of the speaker in the bottom left corner. Unfortunately, the powerpoint-view and the speaker-view are not synchronized. ...
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ffmpeg doesn't have access to qsv nor vulkan
I'm running gentoo, and I have media-libs/oneVPL-intel-gpu installed, and latest mesa drivers, and intel gmm, however, qsv refuses to transcode and gives me the following error everytime
ffmpeg -...
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Is there a way to use Intel QSV to have hwaccelerated tone mapping in ffmpeg?
Currently I am trying ffmpeg -hwaccel qsv -hwaccel_output_format qsv -i "Z://Movies/Luca/Luca.mkv" -vf 'hwdownload,format=p010,zscale=transfer=linear,tonemap=hable,zscale=transfer=bt709,...
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Why can ffmpeg cause a reboot?
Four times in a row, when I started a short simple ffmpeg command on my Ubuntu host, after about ten seconds it rebooted cleanly. Nothing appeared in /var/log/syslog. The fourth time, I ran it ...
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Avidemux loads vertical video in horizontal orientation
I have recorded a video while holding phone vertically. It opens vertically on phone, as well as on PC, in VLC. However, when I load it in Avidemux it rotates the video to horizontal aspect rate.
I ...
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Physical server requirements for ffmpeg process [closed]
I need estimate hardware configuration for a server with the following requirements:
Backend using Nest.js Frontend using Next.js Microservice using Flask The backend will utilize FFmpeg processes to ...
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How do I prevent an extended frame when suspending and resuming an ffmpeg process?
I have a c# application where I have control of an ffmpeg (https://www.ffmpeg.org/) process. I am using it to capture video and audio, either from desktop or webcam. I am using code similar to the ...
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What a correct playlist.m3u8 should contain, or should look like?
24/06/2024: [Presentation of the problem]
I had dowloaded some videos from the Internet, few years ago.
I obtained many files:
a series of files in .ts
a single file playlist.m3u8
In my example:
A ...
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ffmpeg convert container format without re-encoding
This works:
ffmpeg -i test.caf recoded.opus
ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers
built with Apple clang version 15.0.0 (clang-1500.0.40.1)
configuration: --prefix=/...
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How to solve a final pb when merging a series of .ts file with concat command of FFmpeg?
I had dowloaded some videos from the Internet, feaw years ago…
I obtained many files: a series of files in .ts
In my example: a series of 306 files named from segment1_4_av.ts to segment306_4_av.ts
A ...
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Drawtext error FFMPEG 7
I upgraded to ffmpeg 7 and now drawtext is no longer found. I already had --enable-libfreetype and was working fine with ffmpeg 6.
I tried to add --enable-libharfbuzz from Gyan's answer here
But then ...
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Newbie using it for the first time sadtalker error code questions （Unable to output [duplicate]
I'm a complete novice and I got an error the first time I used it.
I plan to use sadtalker to make audio videos. After uploading the video and picture materials, an error occurs after the progress bar ...
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sadtalker error code troubleshooting related questions [closed]
I plan to use sadtalker to make audio videos. After uploading the video and picture materials, an error occurs after the progress bar runs out. When asking chat gpt, I got the problem of wrong path ...
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To cut and download part of video from vk.com
I try to cut and download part of an online video from vk.com, using yt-dlp and ffmpeg, in one step.
I tried
ffmpeg $(yt-dlp -g 'https://vk.com/video302700968_456241462' | sed 's/^/-ss 05:00 -i /') -...
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Highlight video motion into to a single image
I have a fixed camera that captures the motion of a ball bouncing around. I would like to convert this into an "action shot" or simply a superimposed picture of all the balls.
It has to be ...
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How can I add background box to words in ASS subtitle format?
I want to add a background box to the word being spoken, I have tried different ASS subtitle tags but none seems to output my requirement. Which tags can be used to achieve that?
I was trying ...
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Highlight video motion into to a single image using Linux tools? [closed]
I have a fixed camera that captures the motion of a ball bouncing around. I would like to convert this into an "action shot" or simply a superimposed picture of all the balls.
It has to be ...
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ffmpeg video faded, poor black depth
When I capture streaming video with ffmpeg I notice that the overall picture is a bit faded, and most notably areas in the frame that are true black are not fully black compared with the original. Is ...
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Some mp4 files converted with ffmpeg are off by .01 frames/second, how can I fix this (without resampling)
I have several mp4 files with a frame rate of 119.88 frames/second, I need to convert these to 29.97 frames/second without resampling.
To do this, I ran
ffmpeg -itsscale 4 -i input.mp4 -c copy ...
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How much and what data is lost in ffmpeg transcoding?
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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Powershell script isn't splitting a video into multiple videos for each chapter
I made a script in pwsh to split video files into separate files for each chapter:
Get-ChildItem -Recurse -Include *.mp4, *.mkv, *.avi, *.mov, *.ts | ForEach-Object {
$ffmpegOutput = &...
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Why does crossfading audio files in ffmpeg produce just the last input?
I have two input files (track1.m3 and track2.opus) from which I want to extract four clips and crossfade them in sequence. I arrived at this command based on an answer from Gyan on Stack Overflow:
...
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Video width&height is horizontal but video frames are vertical. How to fix it with ffmpeg?
I have a video, that when checked with ffmpeg/ffprobe shows a horizontal aspect ratio.
ffprobe.exe my_video.mp4 -show_streams -of json
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'my_video.mp4':
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Removing a segment from the middle in ffmpeg
Say I want to remove the part between second 60 and the second 200:
file video
outpoint 60
file video
inpoint 200
then running the ffmpeg concat command:
ffmpeg -f concat -i input.txt -c copy output....
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FFmpeg: To trim a video using 'trim' and specifying time in HH:MM:SS format
The following command trims a video from 5s to 10s:
ffmpeg -y -i input.mp4 -vf trim=5:10,setpts=PTS-STARTPTS output.mp4
But if I try to specify start and end time using HH:MM:SS format, FFmpeg ...
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How to split an mp4 into smaller equally sized parts using ffmpeg
I have tried to split an mp4 file into smaller parts of equal time length like this ffmpeg -i ../data/2024-06-02_12-34-51.mp4 -c copy -map 0 -segment_time 00:00:05 -f segment v1_%03d.mp4. However, ...
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How can I remove every nth frame from raw video using ffmpeg?
I have many cine films that have been digitally converted. They have been converted as a 25 fps with 2 frames in every 23 duplicated. I need to remove the duplicated frames using a bitstream filter so ...
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watermark a certain part of an input video with FFmpeg, but output the whole video without triming the length
the original video is 2 hours long, so I don't want to render the whole video since it's time consuming,when I set the time like -ss to -t,the final file only output a portion of the original video, ...
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How to merge all mp3 files located in the same directory?
The command below used to work but stopped around ubuntu/kubuntu 20.04.
ls *.mp3 | sed -e "s/\(.*\)/file '\1'/" | ffmpeg -protocol_whitelist 'file,pipe' -f concat -i - -c copy output.mp3
...
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Trimming a video using FFmpeg leads to black screen
I try to figure out how to use FFmpeg to trim videos. I have created a 30 second .mov screen capture using Apple's QuickTime player, and then tried to trim it using three different ways:
Using -...
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Take Screenshot/snapshot from .ts file
I need to take a screenshot/snapshot from .ts files.
Currently using the command:
ffmpeg -ss 00:06:05.6710000 -i input.ts -frames:v 1 -q:v 1 output.jpeg
This works fine for .mp4 files, but for .ts ...
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Using ffmpeg, how can I split an incoming stream, one live web streaming, the other mp4 but in timed chunks?
I have a single mpeg-ts input stream, http://192.168.1.100/stream0, and I wish to do two things with this stream. One output is to be a hls multipart stream with m3u8 so apache can serve to local ...
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Ffmpeg webm YouTube settings command
Is there a .webm still image command in ffmpeg that is best compatible with YouTube I’m currently using:
ffmpeg -loop 1 -framerate 2 -i input.png -i audio.m4a -c:v libx264 -preset medium -tune ...
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ffmpeg does not exit when pipe is closed? [migrated]
If this has already been brought up, I apologize. This is part of a software tuner package I am writing as a POC. It is used by Plex Media Server. For the most part, it works with good picture quality ...
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ffmpeg - mpegts Multicast
I'm generating a multicast stream with this command:
ffmpeg -hwaccel_device 1 -format_code Hi50 -re -f decklink -i 'DeckLink Duo (1)' -pix_fmt yuv420p -c:v h264_nvenc -profile:v high -b:v 3500k -rc 2 -...
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FFmpeg is sometimes slow when cutting video from a network URL
I recently encountered some problems while using FFmpeg to cut videos. For certain videos, FFmpeg processes very slowly and sends multiple HTTP requests to file links. I suspect there's an issue with ...
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Looking for a better cutting command in FFmpeg
This is the original command, it removes the part between the start and end which will be specified in command:
ffmpeg -i input.ext -vf "select='not(between(t,start,end))', setpts=N/FRAME_RATE/TB&...
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av1_vaapi ffmpeg throws error on last frame of video
I've been using ffmpeg and vaapi to transcode video files, it has been working great except for one group of video which has been throwing the error
[vf#0:0 @ 0x5d37f5dd6dc0] Reconfiguring filter ...
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decreasing probesize on FFMPEG stops audio
I'm trying to setup an encode/decode pair across our corporate wan with the least amount of delay as possible.
So far I've been able to get the delay down using -probesize but we've found any value ...
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ffmpeg command to combine mp3 file and embedded album art image file metadata into a video
my below ffmpeg command works for combining 1 audio file with 1 image file into a video.
ffmpeg
-loop 1
-framerate 2 -i "C:\Users\marti\Videos\ig_sf_6.5.24_highlights\apple image.jpg"
-i ...
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Rescale videos and then pad them using vaapi and hwaccel with ffmpeg in amd, linux
This command, make videos to be padded first and then scale them afterwards. However, i want exactly the opposite, first to scale them and then to pad them. How I can do that?
rm a_*.mp4; for vids in *...
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Cutting a part from a video: Should '-ss' be before 'i' or after?
Let's say I need to remove everything but the second minute from a video.
I can do this, for example, in the following way:
ffmpeg -copyts -ss <start> -i input.mp4 -to <end> -c:v libx264 -...
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ffmpeg extraction with fixed color number
I need a hand in extracting images/frames from mpeg video with specified number of
colors, for example when I use identify verbose to see the number of colors
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How to create a compatible encoding for the Blackmagic Media Express application using ffmpeg
I'm using the Blackmagic Media Express application frequently but now I'm stuck trying to transcode files using ffmpeg that will be able to play in the BME app. It seems that the BME application is ...
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For some reason the -threads option for ffmpeg is being ignored
All I'm trying to do is restrict this process to a single core, assuming there won't be a reduction in quality beyond what I could expect while multi-threading, but for some reason it's still using ...
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2
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How to extract frames from a video using ffmpeg?
Basically I want to extract all frames from the video where the images will be resized to be 720p. All of this I know how to do. But for testing I want to extract every Nth frame. So every 30th image ...
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Ffmpeg: concatenate videos and keep framerate the same
I have the following command cobbled together so far:
ffmpeg -i input.mp4 -filter_complex "\
[0:v]trim=start=175.2:end=200.9,setpts=PTS-STARTPTS[v1]; \
[0:a]atrim=start=175.2:end=200.9,...
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Using x265-params with ffmpeg does not impact file size nor quality
I am using the following line in Python to compress videos into h265 (in Google Colab).
!ffmpeg -v error -nostats -hwaccel_output_format cuda -i "$input_folder/{filename}" -metadata comment=&...
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