videotimline

squashed 694 commits from http://gareus.org/gitweb/?p=ardour3.git

1 files changed, 113 insertions, 0 deletions

diff --git a/tools/videotimeline/vsrv.php b/tools/videotimeline/vsrv.php
new file mode 100644
index 0000000000..2a6830c1b0
--- /dev/null
+++ b/tools/videotimeline/vsrv.php
@@ -0,0 +1,113 @@
+<?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':
+			$mode='info';
+			break;
+		default:
+			break;
+	}
+}
+
+$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 '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') {
+	# 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.':-');