function getLocalImagePath($stream_id, $req_time, $req_size = null)
{
$img_dir = MV_StreamImage::getLocalImageDir($stream_id);
list($im_width, $im_height, $ext) = MV_StreamImage::getSizeType($req_size);
$base_img = $img_dir . '/' . $req_time . '.jpg';
//print "base img: $base_img \n";
if ($req_size == null) {
if (is_file($base_img)) {
return $base_img;
} else {
//Based on settings we may do an ffmpeg call here:
//@@FFMPEG call goes here:
//make the call to generate the image for that time:
return MV_StreamImage::genLocalStreamImage($stream_id, $req_time, $req_size);
}
} else {
$img_file = $img_dir . '/' . $req_time . '_' . $im_width . 'x' . $im_height . '.' . $ext;
//print "img with size: $img_file \n";
if (is_file($img_file)) {
//print "FOUND FILE: $img_file";
return $img_file;
} else {
if (!is_file($base_img)) {
//print "missing base img $base_img \n";
$img_file = MV_StreamImage::genLocalStreamImage($stream_id, $req_time, $req_size);
if (is_file($base_img)) {
//got file succesfull:
//continue:
} else {
return false;
}
}
//would be great to use mediaWIki's bitmap transform but not super easy to integrate...
//@@todo eventually we should integrate with oggHanlder...
//$thumb = Bitmap::doTransform($image)
if (!MV_StreamImage::doTransformImage($base_img, $img_file, $im_width, $im_height, $ext)) {
//print 'failed image transform\n';
return false;
}
return $img_file;
}
}
}
