FFMPEG Image to video zoompan starting position
In creating mp4 slideshows out of images, I've taken some examples online for zoompan, but I still haven't quite grasped how to make them start from a certain location in an image. Here's the typical...
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View ArticleImage to video conversion with ffmpeg
I'm trying to make a video showing one image per second using ffmpeg with node-fluent-ffmpeg. I'm using this code as shown on the examples, but I can only get a 1 second video. How can I modify the...
View ArticleGet the list of I-Frames in a video using Python
I'm trying to get the list of indexes for all I-frames in a video in Python (and later save a portion of them as JPEG). Right now, I can traverse all frames using FFProbe in terminal, and see which one...
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Smooth scale animation in ffmpeg
How can I smooth the animations of scale?ffmpeg -i bg.mp4 -loop 1 -i blank.png -filter_complex...
View ArticleAndroid ffmpeg video cut
I´m trying to edit some videos in my Android app using FFmpeg, but I´m facing some problems when I tried to take just a part of the video.I´m using this ffmpeg compilation/lib...
View ArticleWhat is the difference between av_register_all() vs avcodec_register_all() in...
I am a beginner to ffmpeg and libavcodec in c programming on a linux machine. I want to know the difference between these API's.
View ArticleDetect frame with incorrect poc
When I try to decode packet (using this function avcodec_decode_video2) sometimes I get corrupt (gray) frame. This error is obtained because of the missed frames. ffmpeg shoes the following errors to...
View Articlehow encode xdcam.mxf and set for mediainfo flag "standard: component"
My goal is to encode an XdcamHD 50Mb .mxf, with ffmpeg or ffmbc or bmx, and get the following Mediainfo technical and tag dataFormat Settings, Matrix: CustomStandard: Componententer image description...
View ArticleModify video frames but keep their timestamp in python (maybe with ffmpeg?)
I have .ts videos with variable frame rate and I would like to modify the frames of the videos and keep the timestamps belonging to the frames. I am using python and experiencing with ffmpeg, but I am...
View ArticleI need to convert other video extensions to mp4 in java
First i found a library. It's ffmpeg. But i don't know how can i include my project. I really tried. Can someone show me how to do it?
View ArticleC - How to convert an audio file into raw audio samples using ffmpeg? [on hold]
I am following the ffmpeg c api documentation for encoding and decoding of media files. But I want to save the raw audio samples in my current working directory. I am using ubuntu 16+. How can I get...
View ArticleDuration of short ogg files (Telegram Voice messages) not correct when loaded...
I'm trying to read voice messages, sent by Telegram, using Python but for short voice clips (< 10 seconds), it doesn't work. It shortens the duration for some reason. It looks like it has something...
View ArticleModify video frames but keep their timestamp in python (skvideo? ffmpeg?)
I have .ts videos with variable frame rate and I would like to modify the frames of the videos and keep the timestamps belonging to the frames. I am using python and experiencing with ffmpeg, but I am...
View ArticleListes des utilisateurs
Bonjour, J'utilise Inscription3 pour nombreux de mes sites associatifs, et je dois dire que cela me rends un fier service ;) Je souhaite vous signaler un problème gênant sur mes sites (SPIP 3.2.1) et...
View ArticleParsing file-like object into create_ffmpeg_player in discord.py not working
The API documentation for create_ffmpeg_player says it allows passing file-like objects into create_ffmpeg_player as it will be passed to stdin. create_ffmpeg_player(filename, *, use_avconv=False,...
View ArticleFFmpeg: Invalid NAL unit size after Concat filter
I am trying to concatenate 3 videos using Concat filter. The videos are: Video1Duration: 00:00:05.34, start: 0.000000, bitrate: 45584 kb/s Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661),...
View Articleffmpeg with "-pattern_type glob" and variable in bash script
I'm trying to let ffmpeg make a video of all pictures in a directory using the -pattern_type glob switch and "/foo/bar/*.jpg". This works well, if I execute the command manually für just one directory....
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Perspective filter in ffmpeg - quality
I put a picture on the video using the perspective filter.Example https://yadi.sk/i/MXtWUArJ3TyWBmHow can I improve the quality? Codeffmpeg -y -i bg.mp4 -loop 1 -i image.jpg -filter_complex...
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AccessViolationException occurred in AForge.Video.FFMPEG.dll
I have a camera class, in this class I used a timer and in its tick event I am saving video using AForge.Net's VideoFileWriter in C++/Cli (x86, .net framework: v4.6). This is not supposed to happen, as...
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