NOTE: This solution adds the subtitles to the video as a separate optional (and user-controlled) subtitle track. ffmpeg -i infile.mp4 -i infile.srt -c copy -c:s mov_text outfile.mp4 -vf subtitles=infile.srt will not work with -c copy The order of -c copy -c:s mov_text is important. You are telling FFmpeg: Video: copy, Audio: copy, Subtitle: copy Subtitle: … Read more
Well it’s all about time. FFMpeg uses in fact three different timestamps in different bases in order to work. tbn = the time base in AVStream that has come from the container tbc = the time base in AVCodecContext for the codec used for a particular stream tbr = tbr is guessed from the video … Read more
Here are the steps I went through in getting ffmpeg to work on Android: Build static libraries of ffmpeg for Android. This was achieved by building olvaffe’s ffmpeg android port (libffmpeg) using the Android Build System. Simply place the sources under /external and make away. You’ll need to extract bionic(libc) and zlib(libz) from the Android … Read more
EDIT 3: As of IOS 10, HLS will support fragmented mp4 files. The answer now, is to create fragmented mp4 assets, with a DASH and HLS manifest. > Pretend flash, iOS9 and below and IE 10 and below don’t exist. Everything below this line is out of date. Keeping it here for posterity. EDIT 2: … Read more
Replace audio ffmpeg -i video.mp4 -i audio.wav -map 0:v -map 1:a -c:v copy -shortest output.mp4 The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info. This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the … Read more
Use the -y option to automatically overwrite [docs]: ffmpeg -y -i input.flac output.mp3
Libav is dead Last commit was on 2019-08-21. Use FFmpeg. Confusing messages The messages mentioned in the question are rather misleading and understandably a source of confusion. The fork was basically a non-amicable result of conflicting personalities and development styles within the FFmpeg community. The real ffmpeg vs the fake one For a while both … Read more
For recent versions of Debian/Ubuntu (Debian 9+ or Ubuntu 16.04+) install the php-dev dependency package, which will automatically install the correct version of php{x}-dev for your distribution: sudo apt install php-dev Older versions of Debian/Ubuntu: For PHP 5, it’s in the php5-dev package. sudo apt-get install php5-dev For PHP 7.x (from rahilwazir comment): sudo apt-get … Read more
You could use this command: ffmpeg -i input.wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3 Explanation of the used arguments in this example: -i – input file -vn – Disable video, to make sure no video (including album cover image) is included if the source would be a video file -ar – Set the … Read more
The answer to the original question should not scale the video but instead fix the height not divisible by 2 error. This can be achieve using this filter: -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” Full command: ffmpeg -i frame_%05d.jpg -vcodec libx264 \ -vf “pad=ceil(iw/2)*2:ceil(ih/2)*2” -r 24 \ -y -an video.mp4 Basically, .h264 needs even dimensions so this filter will: … Read more