Ffmpeg User Defined Video Editing Tutorial
Today we’re combining video contents from …
- yesterday’s Ffmpeg Helps iPhone Video to YouTube Tutorial … with …
- our newly created public interface to ffmpeg with the “soon to be DNS version of rjmprogramming.com.au … but not yet” AlmaLinux Apache/PHP/MySql web server install we talked about at Ffmpeg Install and Public Face Tutorial … and …
- IP address redirecting, as needed, ifconfig (via PHP shell_exec and $_SERVER[‘SERVER_ADDR’]) based logic …
<?php
$whereplace=shell_exec("ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'");
if (strpos(($whereplace . ' ' . $_SERVER['SERVER_ADDR']), '65.254.92.213') !== false) {
$sv='/usr/bin/ffmpeg';
header('Location: https://65.254.95.247/PHP/tmp_ffmpeg.php'); //$smallpath='https://65.254.95.247/PHP/'; //header('Location: https://65.254.95.247/PHP/tmp_ffmpeg.php');
exit; //exit;
}
?>
… we talked about at AlmaLinux Landing Page WordPress Content Update Solution Tutorial … as well as … - user definable form navigation … using …
- optional dropdown ideas incorporating ideas from Sepia Video via ffmpeg Primer Tutorial … and using …
- temporary storage places to place output video … and making use of …
- soft links regarding URLs we talked about at Linux Web Server Soft Link URL Tutorial (saving us having to use ‘data:video/mp4;base64,’ . base64_encode(file_get_contents(trim($endout))) style PHP interventions (which were testing friendships))
… to start down this road towards public facing ffmpeg video editing around here (which we have been hankering for for several years now).
In this first draft of Your Own Ffmpeg Video Changes (via command line ffmpeg) we’re really buttoning down (via not allowing the forward slash character in amongst the user defined ffmpeg command innards) what happens regarding …
- output video file source location … and …
- input video file source …
… but who knows what the future holds?!
Previous relevant Ffmpeg Helps iPhone Video to YouTube Tutorial is shown below.
Ffmpeg Helps iPhone Video to YouTube Tutorial
Today we recorded a video looking out from Govetts Leap, Blackheath, here in the Blue Mountains. We captured it via the Camera app on an iPhone via its Video option.
Nineteen seconds long, to share to this MacBook Air we needed AirDrop, the size of it precluding us from using the Photo app’s Mail sharing option.
And that’s where we wanted to use the great ffmpeg in an optimal way to create a video that we could upload to YouTube. In this, we arrived at this excellent link getting us to try …
ffmpeg -i govetts_leap.MOV -c:v libx264 -preset slow -crf 18 -vf scale=out_color_matrix=bt709 -color_primaries bt709 -color_trc bt709 -colorspace bt709 -c:a aac -ar 48000 -ac 2 -b:a 320k -profile:v high -level 4.0 -bf 2 -coder 1 -pix_fmt yuv420p -b:v 10M -threads 4 -cpu-used 0 -r 30 -g 15 -movflags +faststart govetts_leap.mp4
… with success. Checking with this other excellent link, thanks, we were comforted that they would have recommended an output mp4 file format as well, it seems …
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