136 lines
2.9 KiB
PHP
136 lines
2.9 KiB
PHP
<?php
|
|
$exe_ffmpeg='ffmpeg';
|
|
$exe_ffprobe='ffprobe';
|
|
$exe_imagemagick='convert';
|
|
$docroot='/'; # must be identical to ardour3->Edit->Preferences->Video->Docroot
|
|
|
|
$mode = '';
|
|
if (isset($_SERVER['PATH_INFO'])) {
|
|
switch($_SERVER['PATH_INFO']) {
|
|
case '/status/':
|
|
case '/status':
|
|
echo 'status: ok, online.';
|
|
exit;
|
|
break;
|
|
case '/info/':
|
|
case '/info':
|
|
$mode='info';
|
|
break;
|
|
case '/rc':
|
|
case '/rc/':
|
|
# TODO proper CSV encode (possible quotes in docroot)
|
|
# TODO support optional plain text version
|
|
echo '"'.$docroot.'",'.$_SERVER['SERVER_ADDR'].','.$_SERVER['SERVER_PORT'].',0,"/info /rc /status",""'."\n";
|
|
echo 'status: ok, online.';
|
|
exit;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
$infile='/tmp/test.avi';
|
|
$w=80; $h=60; $f=0;
|
|
$fr=0; $df=0;
|
|
$so=0; $ar=4.0/3.0;
|
|
$fmt='rgb';
|
|
|
|
if (isset($_REQUEST['format'])) {
|
|
switch ($_REQUEST['format']) {
|
|
case 'jpeg':
|
|
case 'jpg':
|
|
$fmt='jpeg';
|
|
break;
|
|
case 'png':
|
|
$fmt='png';
|
|
break;
|
|
case 'rgba':
|
|
$fmt='rgba';
|
|
break;
|
|
case 'bgra':
|
|
$fmt='bgra';
|
|
break;
|
|
case 'rgb':
|
|
$fmt='rgb';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (isset($_REQUEST['w']))
|
|
$w=intval(rawurldecode($_REQUEST['w']));
|
|
if (isset($_REQUEST['h']))
|
|
$h=intval(rawurldecode($_REQUEST['h']));
|
|
if (isset($_REQUEST['frame']))
|
|
$f=intval(rawurldecode($_REQUEST['frame']));
|
|
if (isset($_REQUEST['file']))
|
|
$infile=rawurldecode($_REQUEST['file']);
|
|
|
|
if (!is_readable($docroot.$infile)) {
|
|
header('HTTP/1.0 404 Not Found', true, 404);
|
|
exit;
|
|
}
|
|
|
|
$fn=escapeshellarg($docroot.$infile);
|
|
|
|
#$fr=`$exe_ffprobe $fn 2>&1 | awk '/Video:/{printf "%f\\n", $11}'`;
|
|
$nfo=shell_exec("$exe_ffprobe $fn 2>&1");
|
|
if (preg_match('@Video:.* ([0-9.]+) tbr,@m',$nfo, $m))
|
|
$fr=floatval($m[1]);
|
|
if ($fr<1) exit;
|
|
|
|
if (preg_match('@Duration: ([0-9:.]+),@m',$nfo, $m)) {
|
|
$d=preg_split('@[\.:]@',$m[1]);
|
|
$dr=0;
|
|
$dr+=intval($d[0])*3600;
|
|
$dr+=intval($d[1])*60;
|
|
$dr+=intval($d[2]);
|
|
$dr+=floatval($d[3]) / pow(10,strlen($d[3]));
|
|
$df=$fr*$dr;
|
|
}
|
|
if (preg_match('@start: ([0-9:.]+),@m',$nfo, $m)) {
|
|
$so=floatval($m[1]);
|
|
}
|
|
if (preg_match('@DAR ([0-9:]+)\]@m',$nfo, $m)) {
|
|
$d=explode(':',$m[1]);
|
|
$ar=floatval($d[0]/$d[1]);
|
|
}
|
|
else if (preg_match('@Video:.* ([0-9]+x[0-9]+),@m',$nfo, $m)) {
|
|
$d=explode('x',$m[1]);
|
|
$ar=floatval($d[0]/$d[1]);
|
|
}
|
|
|
|
if ($mode=='info') {
|
|
if (isset($_REQUEST['format'])) {
|
|
switch ($_REQUEST['format']) {
|
|
case 'csv':
|
|
# protocol, width, height, aspect, fps, fps, duration
|
|
echo "1,0,0,$ar,$fr,$df\n";
|
|
exit;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
# Protocol Version number
|
|
# FPS
|
|
# duration (in frames)
|
|
# start-offset (in seconds)
|
|
# aspect-ratio
|
|
echo "1\n$fr\n$df\n$so\n$ar\n";
|
|
exit;
|
|
}
|
|
|
|
if ($df<1 || $f>$df ) exit;
|
|
$st=floor(1000.0*$f/$fr)/1000.0;
|
|
|
|
$wh=escapeshellarg($w.'x'.$h);
|
|
$ss=escapeshellarg($st);
|
|
|
|
header('Content-Type: image/'.$fmt);
|
|
passthru($exe_ffmpeg.' -loglevel quiet'
|
|
.' -i '.$fn.' -s '.$wh.' -ss '.$ss.' -vframes 1 '
|
|
.'-f image2 -vcodec png - 2>/dev/null'
|
|
.'| '.$exe_imagemagick.' - '.$fmt.':-');
|