Questions tagged [ffmpeg]
Only questions about programmatic use of the FFmpeg libraries, API, or tools are on topic. Questions about interactive use of the command line tool should be asked on Super User or Video Production. FFmpeg is a free, open source project that produces libraries and programs for handling multimedia data.
ffmpeg
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Discrepancy in Video Quality with FFmpeg Encoding on Different Laptops
I’m experiencing an issue where encoding the same video with identical FFmpeg commands on two different laptops results in different output quality. Here’s the command I’m using:
ffmpeg -hwaccel none -...
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Flutter: Saved Audio Not Accessible in Music Player Apps
I'm developing a Flutter app that generates MP3 audio files.
I can successfully save these files to the device storage. However, they're not showing up in any music player apps.
I'm using the ...
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ffmpeg - output includes combined video stream from inputs but also exact video streams from inputs [closed]
Hi I'm using ffmpeg to transcode some video files from prores or dv to h264/mov. Also I want to add a logo on it and make some other changes.
The command line I use is
ffmpeg -i input.mov -i logo.png -...
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FFmpeg "Non-monotonous DTS in output stream" error when processing video from Safari's MediaRecorder
I'm recording a video stream in Safari with MediaRecorder, then sending it to a remote server which then uses ffmpeg to reencode the video. When reencoding with FFmpeg, I get a lot of warnings and the ...
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Negative pts timestamps in RTSP packets using FFMPEG/C++ while remuxing H264 format into MPEG-TS
I am muxing an H264 stream from RTSP camera to a MPEG-TS container (no re-encoding, just putting the bytestream to a container). At some point I figured out how to deal with pts and dts fields in ...
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FFMPEG Imitation decoding artefacts
I'd like to figure out influence decoding artefacts on my computer vision algorithm so i have to mess up my .mp4 file. Are there methods do this for?
I hope reach effect like effect dropping frame ...
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Using Pipes for Stream Data in FFMPEG
I am trying to input stream and decrease the bitrate of the video without saving it anywhere so i am hoping to pass it as a stream and get the output as a stream and send it to digital ocean spaces to ...
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Problem error: [out#0/image2 @ 000001b2582c3b00] Output file does not contain any stream [closed]
i'm not any kind of developer or s.t, just a person want to download some anime video from some site to watch offline. I'm having some issue when using ffmpeg to download it.
Here's the code that i ...
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1
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golang ffprobe-ffmpeg command execution error
I want to get duration of hls. But when I run it gives me error:
exit status 1
Here's my Go code
func (i *ImageGenerationService) GenerateImages(movieID int) (models.FileResponse, error) {
if _, ...
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How to combine many m3u8 hls playlists into one using python
I have several videos of mp4 formats. I created HLS (playlists and segments) from them using this code
import ffmpeg
input_file_path = "D:/Projects/test2.mp4"
output_playlist = "'D:/...
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How do i make Ffmpeg work for subtitles in flutter?
Please help me out with this. i've been stuck on this for months. i'm trying to burn subtitles in a video. so im gonna show you the manual command i used.
String newCmd =
'-i /storage/...
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Adding a custom filter to FFmpeg
I am looking to configure and compile FFmpeg with custom filter.
custom filters are available on this git repository which is compiled with older ffmpeg version
https://github.com/numberwolf/FFmpeg-...
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imagemagick pipe to ffmpeg
I'm trying to write a batch file for a friend to make timelapse videos. I'm using avisynth, but she's even more clueless than I, so I tried to do most of the work with ffmpeg.
What I'd like to do is ...
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Does anyone know of any discord bot hosting that can use FFmpeg? [closed]
I am developing a discord bot that streams radio, and that is why it uses FFmpeg. The bot works well because it uses the FFmpeg installed on my PC, but as is obvious on a host it will not be able to ...
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adding overlay with ffmpeg is very slow
Am trying to append some PNGs on a video, I've used overlay filter for that, but it has increase processing time 10X !!! am not sure if am doing it wrong or this is expected,
async function ...
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