function genLocalStreamImage($stream_id, $req_time, $req_size)
{
global $mvLocalVideoPath, $mvStreamImageTable;
//zsh edit
return false;
if (!$stream_id) {
return false;
}
if (!$req_time) {
$req_time = 0;
}
if (!$req_size) {
$req_size = '320x240';
}
list($im_width, $im_height, $ext) = MV_StreamImage::getSizeType($req_size);
if ($req_size == null) {
$s = '';
} else {
$s = '_' . $im_width . 'x' . $im_height;
}
$img_dir = MV_StreamImage::getLocalImageDir($stream_id);
$img_file = $img_dir . "/" . $req_time . $s . "." . $ext;
$streampath = $mvLocalVideoPath . MV_StreamImage::getLocalStreamPath($stream_id);
if (is_file($streampath)) {
//check if the ffmpeg extension is installed:
$extension = "ffmpeg";
$extension_soname = $extension . "." . PHP_SHLIB_SUFFIX;
$extension_fullname = PHP_EXTENSION_DIR . "/" . $extension_soname;
// load extension
if (!extension_loaded($extension)) {
if (!dl($extension_soname)) {
return false;
}
}
$mov = new ffmpeg_movie($streampath);
$fps = $mov->getFrameRate();
if ($req_time == 0) {
$ff_frame = $mov->getFrame(1);
} else {
$ff_frame = $mov->getFrame($req_time * $fps);
}
if ($ff_frame) {
$ff_frame->resize($im_width, $im_height);
$gd_image = $ff_frame->toGDImage();
if ($gd_image) {
if ($ext == 'png') {
imagepng($gd_image, $img_file);
imagedestroy($gd_image);
} else {
imagejpeg($gd_image, $img_file);
imagedestroy($gd_image);
}
}
}
if (is_file($img_file) && ($req_size == '320x240' || $req_size == '')) {
$insAry = array();
$insAry[stream_id] = $stream_id;
$insAry[time] = $req_time;
$db =& wfGetDB(DB_WRITE);
if ($db->insert($mvStreamImageTable, $insAry)) {
return $img_file;
} else {
//probably error out before we get here
return false;
}
}
}
return $img_file;
}
