Questions tagged [ffmpeg]
FFmpeg is a free software project that produces libraries and programs for handling multimedia data. The most notable parts of FFmpeg are libavcodec, an audio/video codec library used by several other projects, libavformat, an audio/video container mux and demux library, and the ffmpeg command line program for transcoding multimedia files.
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Convert video to 10 bit images
I have a video with these info:
Format : MKV
Codec : HEVC (h.265)
Bit depth : 10 bits
How can I get 10-bit frame grabs from it using ffmpeg?
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360 Degree Video Encoding for Playstation Media Player and PSVR
PlayStation 4's Media Player is very picky in terms of supported video formats, codecs, and resolutions. This becomes specifically difficult when converting high-quality virtual reality content for ...
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FFmpeg : How to replace video background color with transparency? (while capturing)
I want to capture a window and overlay it on another video.
This is my command:
ffmpeg -i MainVideo.avi
-f gdigrab -framerate 25 -video_size 300x200 -i title="MyWindow"
-filter_complex "[0]setpts=...
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Converting files to Avid-friendly DNxHD MXF
Please forgive the noob question, I'm new here. I've looked for an answer on this forum but not found one so far. I've also tried the BMXlib forum.
I'm trying to convert small video files that have ...
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How to create a x264 (mp4) video with the smallest size using ffmpeg that has just 1 image through entire video?
I'm creating narrated mp4 (x264+aac) videos for books. Each video has just the book's cover as the background.
I wonder what would be the most effective way to create such videos with ffmpeg?
I've ...
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how to get realtime output from ffmpeg
I am currently grabbing a live stream video with the following command:
ffmpeg -i https://urlToTheStream/playlist.m3u8 -f image2 -q:v 30 C:\pathToOutputFolder\%01d.bmp
video is running in 24 fps.
I ...
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Framerate Timelapse
I'm doing a time-lapse film project about a six-month period. Now I write a script to process the thousands of photos. I use ffmpeg. The paths to the photos are in the list.tmp file and i'm using the ...
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What options are there for cloud based FFMPEG processing?
Just like Imgix and Cloudinary are image editing as a service platforms, are there any online platforms that provide ffmpeg as a service so we can run ffmpeg commands on their server?
At the moment I'...
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How to automatically enrich a video stream with dynamic overlay (text, images, ...)
In my company, we are currently looking for a solution to enrich a given video stream (which is being broadcasted via RTMP) from a remote webcam with some dynamic information, such as current date/...
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Dash live streaming
after a lot of googling and after I've read tons of forums, I'm still not able to do a live stream using my cam to another device.
My system is made up by a server ( a windows laptop ), that capture ...
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FFMPEG not writing quicktime "COLR" atom
I am attempting to create Quicktime movs with the "DNXHD" codec with the following ffmpeg command (input part excluded):
-c:v dnxhd -b:v 175M -pix_fmt yuv422p10le test.mov
This works, and is ...
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ffmpeg: overlay rotated video with transparency
I'm new to ffmpeg (video encoding in general).
I have two videos one larger than the other. I want to rotate, resize and overlay the shorter video on the larger one at defined coordinates.
So far, I'...
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ffmpeg concatenation introduces video stutter but does not affect audio
I've gone through several different variants of this process and it always causes me problems. I've gotten it working sometimes but it doesn't seem to be consistent.
I have a video camera which ...
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Convert .WMV using FFmpeg
I'd like to use FFmpeg on the Mac Terminal command line to convert a .WMV file. I'm familiar with the syntax:
ffmpeg -i /path/OriginalMovieFile.wmv /path/NewMovieFile.???
However, my recent attempt ...
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Optimized Parameters of `FFMPEG` for Screen Recording
Windows has a great codec for screen recording called Windows Media Video Screen.
It generates artifacts free videos which are highly compressed (small size).
I was wondering, what would be the ...
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How to fix the difference between duration of ffmpeg input and output?
I am trying to generate a video from a bunch of png images and audio using the command:
/usr/bin/ffmpeg -y -framerate 30 -pattern_type glob -i 'images/*.png' -i audio.wav -c:v libx264 -b:v 0 -crf 18 -...
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moov atom not found
I downloaded this video using youtube-dl's HLS downloader. The video was being HLS streamed using AES-128. Even though I could view it perfectly fine when it was being streamed in the browser, VLC ...
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Getting FFMPEG to stream video+audio through RTMP
Can someone help me with this:
The video streams fine but I can't hear any audio. I just hear random click sounds. Please help:
ffmpeg -f video4linux2 -channel 1 -i /dev/video0 -f alsa -i plughw:2,0
...
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FFmpeg map_channel and video
I have a file that has the following format (note the number of tracks and channels within each track):
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a.mov':
Metadata:
major_brand : qt
...
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What's the difference between "visually lossless" and real lossless and what does this mean for future encodes?
In FFmpeg's H.264 Video Encoding Guide we are told:
Tip: If you're looking for an output that is roughly "visually lossless" but not technically lossless, use a -crf value of around 17 or 18 (you'...
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Can I use h.264 codec inside .mp4 container for my website
I would like to use h.264 as the codec inside .mp4 container for my user uploaded videos for my website. But I saw somewhere that h.264 is non free. I am unsure whether I can use this technology or ...
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ffmpeg: preserve timecode when converting mp4 to mov
I have .mp4 files created by a Sony A7s camera. They're using the XAVC S codec. I'm converting them to .mov using the command below. The original files have a timecode but that is not present in the ...
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Typical size of one hour long mp4 video
What is the typical size of a mp4 video, size 1280x720 encoded by ffmpeg libx264, and lasts for one hour? Currently my file is around 700Mb, is it too much?
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Is there any ffmpeg command for knowing max bit rate of a video?
I have an MP4 file input.mp4 which is encoded in libx264. By ffprobe command:
ffprobe -v error -show_streams input.mp4
I can know the bit rate of input.mp4, but it does not give the information of ...
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Do you have to build ffmpeg from source to use 10-bit codecs in Windows?
I'm trying to find somewhere I can download pre-built binaries of ffmpeg for Windows with 10-bit codec support. Apparently, from what I've read, ffmpeg has to be either 8-bit or 10-bit, and the ...
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How to identify i-frame from idr-frame in the ffprobe show frames output?
The ffprobe show frames output shows the following details:
[FRAME]
media_type=video
key_frame=1
pkt_pts=42
pkt_pts_time=0:00:00.042000
pkt_dts=42
pkt_dts_time=0:00:00.042000
pkt_duration=N/A
...
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Realtime time overlay with ffmpeg
I'm using the following ffmpeg command to create an H.264 encoded MPEG transport stream from a single png file with a text overlay.
ffmpeg -re -loop 1 -i smpte-color-bars-1080p.png -vf drawtext="...
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FFMPEG stop converting from TrueHD to PCM
I'm trying to convert a TrueHD 7.1 soundtrack to PCM format but ffmpeg give me an error and stopped. Here's the output of ffmpeg:
user:~$ ffmpeg -i source.thd -c:a pcm_s24le -ar 48000 output.wav ...
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ffmpeg concat error
I am trying to concatenate two video files using ffmpeg, and am receiving and error.
Two eliminate compatibility issues between the two videos, I am been concatenating the same video with itself, and ...
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Error while trying to set ffmpeg profile
Ok, I have a feeling this might be a silly question, but I can't see what I am doing wrong. This is my command:
ffmpeg -i input.mov -c:v libx264 -profile:v baseline output.mp4
and the error it ...
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ffmpeg overlay x expression with logical condition
I am trying to create a simple overlay graphic where the overlay moves and screen and changes speed according to time. So I tried a simple
ffmpeg -i input.mp4 -vcodec qtrle -i overlay.mov -...
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Infinite Video Loop in Ffmpeg?
Is there a way to infinitely loop a video in ffmpeg for a livestream? I've been looking around and can see it was possible to use "loop 1" but it appears that is no longer working.
This is what I'm ...
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How can encode video with images like these (overlay a video over a fixed image) with ffmpeg?
How can encode video with images like these help me ffmpeg ?
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ffmpeg bgr vs rgb and other similiar pixel formats
I was wondering about the difference between rgb and bgr pixel formats available in many codecs.
It reminds me in some way the Big Endian and Little Endian flavours of computer processors.
While I ...
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Faster deinterlacing with ffmpeg and yadif
We are using two-step encoding with ffmpeg to encode raw .mov files to multiple .mp4 encodings ready for streaming over the Internet. Some of the videos are interlaced and we are using yadif to ...
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FFMPEG - convert video to Black & White with threshold?
I'd like to convert videos to black and white but also specify the threshold of what to convert to black/white.
I'm currently using cv2 to do this successfully using the 2 lines below (first converts ...
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ffmpeg: how to ignore an EDIT LIST?
I've got a 10-minute long mp4 file which plays just fine with VLC. Apple Quicktime however plays only the first 6.5 seconds, stops and can't be convinced to jump past that.
Similarly, when I try ...
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Add multiple mp3 files to an mp4 file with ffmpeg
I would like to add multiple mp3 files to an mp4 file.
For adding a single mp3 to an mp4, I used this command with success:
"-i /path/to/mp4File -i /path/to/soundmp3File -codec copy -shortest path/to/...
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ffmpeg combine three videos side by side
I have three videos s1.mp4,s2.mp4 s3.mp4 and I need to combine three videos side by side I know use hstack but my three videos has different size?
I've found following commands.It works,but only ...
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How to optimize already-encoded videos of still images (e.g. presentation slides)?
I have a H264 video that is, for the most part, just a video of presentation slides.
It doesn't seem to me that it's as well-compressed as it could be.
Given that it's a video of presentation slides, ...
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Scaling videos of variable size to a fixed aspect ratio
I have 45 videos of varying aspect ratios and resolutions.
I need to scale all of them so that they fit neatly inside a 640x360 (16x9) container with the following specs:
16x9, 640x360, 1600kbps, H....
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How to get FFMPEG output the same quality as Vimeo?
I like Vimeo, but I rather host a player and video myself. So I was wondering if someone knows how to get the closest result to Vimeo quality, but from FFMPEG?
It seems that Vimeo uses 1280 pixels ...
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How to do mpeg/mpg to mov lossless conversion?
Does anyone know how to do lossless conversion from *.mpeg/mpg to mov?
I was asked to extract video from DVDs and do editings in FCPX, however FCPX cannot edit *.mpeg/mpg file natively, therefore I ...
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Using ffmpeg to cut out a scene by original timestamp
I have a recording (a simple, unprocessed TS from my satellite receiver, not encrypted) that has uneccessary stuff at the beginning and the ending. I want to cut out the main feature now with ffmpeg.
...
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What ffmpeg/avconv format and container will Adobe Premiere Pro accept, out-of-box?
All of these converted, but Premiere Pro only loads the audio. I use Ctrl-I to import the videos, and they come up as waveforms, and can only be placed on audio tracks.
These examples use avconv, ...
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How do I recover truncated AVI/DV video?
Short version: I believe I have truncated but otherwise valid AVI/DV files that won't play in any player I've tried (Adobe Premiere, MPC HC, VLC). I assume the stream data is intact but truncated, and ...
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why ffmpeg changes video stream from interlaced to progressive when it is set to copy the the stream
I have a large video file that I try to chop into smaller pieces. The command I use is
ffmpeg.exe -i VideoTape-2007_09_09_19-20_05.avi -vcodec copy -acodec copy -ss 00:00:00.000 -t 00:10:33.761 ...
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Is CABAC encoding lossy or lossless in ffmpeg?
I've been looking into how to compress a video using ffmpeg when I stumbled across CABAC encoding which I could specify by using the libx264 for the video codec and pairing it with the proper ...
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How to Monochrome, Haze video Effect in FFmpeg?
I have a lots of searching but i coudn't find the FFMPEG command for Monochrome effect and Haze Effect on video.
Orignal
Haze Effect
Monochrome Effect (This is not sepia effect)
Your help would be ...
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FFMPEG - How can I add black bars to top and bottom of my video?
I have about 100 videos. I would like to add a 30 pixel horizontal black bar to the top and bottom of each video without ruining the dimenions(so even if they go over the video). How can I achieve ...
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