The code where a particularly interesting piece of information is GStreamer and its plugins are full of debug traces, this is, places in How to print your own debug information into the GStreamer log. How to get more debug information from GStreamer.

GStreamer ships with massive amounts of debug information, which usually NOTE: this code will only work if the videopath.mp4 is at home.Sometimes things won’t go as expected and the error messages retrievedįrom the bus (if any) just don’t provide enough information. Process p1 = Runtime.getRuntime().exec(imageFromVideo) String imageFromVideo = ' ffmpeg -i videopath.mp4 -ss 00:00:00.000 -f image2 -vframes 1 firstImage.png '

This script will make these things solved.įfmpeg -i brandingVideoAudio.mkv -vf scale=660x500,setsar=1:1 finalBrandingVideoAudio.mp4įor any further assistance, you can read ffmpeg documentation. ' n=4 ' represents 4 videos and ' v=1:a=1 ' represents that each of them contains both audio and video so any video without audio will give an error.įfmpeg -i finalBrandingVideoAudio.mp4 -i videofilename.mp4 -i finalstroke.mp4 -i finalBrandingVideoAudio.mp4 -filter_complex concat=n=4:v=1:a=1 Final.mp4Ħ: In case, SAR(Sample Aspect Ratio) and scale of any video does not match then above script will also give an error.

It will take each of the video as 2 streams(audio and video). įfmpeg -loop 1 -f image2 -i imagepath.png -r 20 -t 2 brandingVideo.mp4Ĥ: This script get a single image from video at the starting and you can also have many images from video after a specific period.įfmpeg -i videopath.mp4 -ss 00:00:00.000 -f image2 -vframes 1 firstImage.pn gĥ: To append a video after the another, use this script. configure -prefix='$HOME/ffmpeg_build' -bindir='$HOME/bin'Ģ: Just take care of the directory being created in the process like ' ffmpeg_sources ' and ' ffmpeg_build ' and also take care of the 'cd command' so that it can be checked that in which directory we should be after the whole Block scripts run.ġ: Here is a simple script to convert the name of a video where ' -i ' is to give the input stream.Ģ: In case you have 2 streams(video and audio) separately then this script works.įfmpeg -i videopath -i audiopath -c copy -shortest videopath.mkvģ: Convert a image to a video(without sound) where ' -r ' sets output frame rate for the video stream and ' -t ' sets the video duration in seconds.

Paperclip ffmpeg ubuntu 14.04