Top "Ffmpeg" questions

Using ffmpeg to change framerate

I am trying to convert a video clip (MP4, yuv420p) from 30 fps to 24 fps. The number of frames is …

ffmpeg

How to recompile with -fPIC

I was trying to reinstall my ffmpeg, following this guide, on my ARM Ubuntu machine. Unfortunately, when I compile a …

c++ gcc compilation ffmpeg fpic

How to extract 1 screenshot for a video with ffmpeg at a given time?

There are many tutorials and stuff showing how to extract multiple screenshots from a video using ffmpeg. You set -r …

video ffmpeg

What steps are needed to stream RTSP from FFmpeg?

What steps are needed to stream RTSP from FFmpeg? Streaming UDP is not a problem, but as I want to …

ffmpeg video-streaming rtsp

How to extract duration time from ffmpeg output?

To get a lot of information about a media file one can do ffmpeg -i <filename> where it …

linux bash ffmpeg

ffmpeg: Combine/merge multiple mp4 videos not working, output only contains the first video

Here is the command I am using to combine multiple videos: ffmpeg -i 75_540_38HQ2.mp4 -i 76_70_20.mp4 -i 76_173_80.mp4 -i 81_186_35.…

ffmpeg

How to add transparent watermark in center of a video with ffmpeg?

I am currently using these commands: Top left corner ffmpeg –i inputvideo.avi -vf "movie=watermarklogo.png [watermark]; [in][watermark] …

video ffmpeg watermark

Unknown encoder 'libx264'

I installed ffmpeg 0.8.9 on ubuntu11 by ./configure --enable-gpl --enable-nonfree --enable-pthreads --enable-libfaac --enable-libmp3lame --enable-libx264 When I run it ffmpeg -y …

ubuntu ffmpeg x264 avconv

Can ffmpeg convert audio to raw PCM? If so, how?

I'm currently using ffmpeg to convert FLV/Speex to WAV/pcm_s16le, successfully. However, I now need the output …

ffmpeg flv pcm

Is /usr/local/lib searched for shared libraries?

Is /usr/local/lib searched for shared libraries ? I have this error: [Leo@chessman ~]$ whereis ffmpeg ffmpeg: /usr/local/bin/…

linux linker ffmpeg shared-libraries