function procRequestTime($stream_id, $req_time)
{
global $mvStreamImageTable, $mvShellOggFrameGrab, $mvImageGranularityRate;
if (!$req_time) {
$req_time = '0';
}
if (count(explode(":", $req_time)) == 3) {
$req_time = ntp2seconds($req_time);
} else {
if (!is_numeric($req_time) && $req_time >= 0) {
throw "error in req time format";
}
}
//query the image db to find the closest to req time (while still being in front)
$dbr =& wfGetDB(DB_READ);
//if($req_time<$mvImageGranularityRate)$req_time = $mvImageGranularityRate;
$select = " `id`, `time`, `time`-'{$req_time}' as distance ";
$cond = " `stream_id`={$stream_id} \n\t\t\t\tAND (`time`-'{$req_time}')>=0 \n\t\t\t\tAND (`time`-'{$req_time}')<= {$mvImageGranularityRate}";
$opt['ORDER BY'] = ' `distance` ASC ';
$opt['LIMIT'] = 1;
$res = $dbr->select($mvStreamImageTable, $select, $cond, 'MV_StreamImage::procRequestTime', $opt);
//print $dbr->lastQuery();
//die;
if ($dbr->numRows($res) == 0) {
//could do a request to generate image for video here:
if (MV_StreamImage::genLocalStreamImage($stream_id, $req_time, '320x240')) {
//we just generated the current request time return it as valid:
return $req_time;
} else {
return false;
}
} else {
$img_row = $dbr->fetchObject($res);
$req_time = $img_row->time;
}
return $req_time;
}
function get_adjust_disp($titleKey = 'new', $mvd_id = 'new', $disp_buttons = true)
{
global $mvgScriptPath;
//
$out = '';
//some good old fashioned variable overloading:
if ($mvd_id == 'new' || $mvd_id == 'seq') {
global $mvDefaultClipLength;
//$out.='start context: ' .$this->start_context . '<br />';
//$out.='end context: ' .$this->end_context . '<br />';
$start_time = isset($this->start_context) ? $this->start_context : seconds2ntp(0);
$end_time = isset($this->end_context) ? seconds2ntp(ntp2seconds($this->start_context) + $mvDefaultClipLength) : seconds2ntp($mvDefaultClipLength);
//$mvd_type = '';
} else {
$mvTitle = new MV_Title($titleKey);
if (!$mvTitle->validRequestTitle()) {
return wfMsg('mvMVDFormat');
}
$start_time = $mvTitle->getStartTime();
$end_time = $mvTitle->getEndTime();
//$mvd_type = $mvTitle->getMvdTypeKey();
}
/*
* @@todo move some of this to CSS
*/
$out .= '
<span id="mv_adjust_msg_' . $mvd_id . '"></span>
<table style="background:transparent;position:relative" width="94%" border="0"><tr><td width="40">
<span id="track_time_start_' . $mvd_id . '" style="font-size:small">0:00:00</span>
</td><td>' . '<div id="container_track_' . $mvd_id . '" style="width:100%; height: 5px; background-color: rgb(170, 170, 170); border:1px solid black; position: relative">';
//add some overlays to make the track look like it ends/starts at 0+-7px
$out .= '<div style="position:absolute;left:0px;width:7px;height: 5px;background-color: white;border-right:1px solid black;"></div>' . '<div style="position:absolute;right:0px;width:7px;height: 5px;background-color: white;border-left:1px solid black;"></div>';
//the reszie div structure:
$out .= '<div id="resize_' . $mvd_id . '" style="height: 20px; position: absolute;">
<div id="handle1_' . $mvd_id . '" style="background:no-repeat url(\'' . $mvgScriptPath . '/skins/images/slider_handle_green.gif\')"; class="ui-resizable-w ui-resizable-handle"></div>
<div id="handle2_' . $mvd_id . '" style="background:no-repeat url(\'' . $mvgScriptPath . '/skins/images/slider_handle_red.gif\')"; class="ui-resizable-e ui-resizable-handle"></div>
<div id="dragSpan_' . $mvd_id . '" class="ui-dragSpan"></div>
</div>
</div>' . '</td><td width="50">
<span id="track_time_end_' . $mvd_id . '" style="font-size:small">0:00:00</span>
</td></tr></table>
<br />';
//output a dummy form
/*$out.='<form class="mv_css_form" id="mvd_adj_form_'.$mvd_id.'" method="GET" action="" ' .
'onSubmit="mv_adjust_submit(\''.$mvd_id.'\');return false;">';*/
$out .= '<span style="float:left;"><label class="mv_css_form" for="mv_start_hr_' . $mvd_id . '"><i>' . wfMsg('mv_start_desc') . ':</i></label> ' . '<input class="mv_adj_hr" size="8" maxlength="8" value="' . $start_time . '" id="mv_start_hr_' . $mvd_id . '" name="mv_start_hr_' . $mvd_id . '">' . '</span>';
$out .= '<span style="float:left;"><label class="mv_css_form" for="mv_end_hr_' . $mvd_id . '"><i>' . wfMsg('mv_end_desc') . ':</i></label> ' . '<input class="mv_adj_hr" size="8" maxlength="8" value="' . $end_time . '" id="mv_end_hr_' . $mvd_id . '" name="mv_end_hr_' . $mvd_id . '">' . '</span>';
//output page text (if not "new")
//if($mvd_id!='new')
// $out.=$this->get_fd_mvd_request( $titleKey, $mvd_id);
/*$out.='<table width="100%">'.
'<tr><td>'.wfMsg('mv_start_desc').'</td>'.
'<td><input name="mv_start_hr_'.$mvd_id.'" type="text" value=""></td>'.
'</tr><tr>'.
'<input type="text" value=""><br />
*/
//clear any floats:
$out .= '<div style="clear:both"></div>';
//not used now that adjust is integrated with edit:
/*if($disp_buttons){
$out.='<input style="font-weight:bold;" type="submit" value="'.wfMsg('mv_adjust_submit').'"> ';
$out.='<input id="mv_adjust_preview_'.$mvd_id.'" type="button" value="'.wfMsg('mv_adjust_preview').'" onClick="mv_adjust_preview(\''.$mvd_id.'\')"> ';
$out.='<input type="hidden" id="mv_adjust_preview_stop_'.$mvd_id.'" value="'.wfMsg('mv_adjust_preview_stop').'">';
$out.= '<a href="javascript:mv_disp_mvd(\''.$titleKey. '\',\''.
$mvd_id.'\');return false;">' . wfMsgExt('cancel', array('parseinline')).'</a>';
}*/
//$out.='</form>';
return $out;
}
function parseTitle($title)
{
global $mvDefaultClipLength;
//the metavid namespace:
//stream:stream_name ||
//mvd:type:stream_name_date/start_time/end_time
$parts = split('/', $title);
if (!isset($parts[1])) {
$parts[1] = '';
}
//check for type:
$sub_parts = split(':', $parts[0]);
if (count($sub_parts) == 2) {
if ($sub_parts[0] == '' && $sub_parts[1] == '') {
$this->stream_name = null;
$this->type_marker = null;
$this->hasMVDType = false;
} else {
$this->stream_name = $sub_parts[1];
$this->type_marker = $sub_parts[0];
$this->hasMVDType = true;
}
} else {
if ($parts[0] == '') {
$this->stream_name = null;
} else {
//print_r($sub_parts);
//@@todo do look up of single part request
$this->stream_name = $sub_parts[0];
//$this->stream_name = null;
}
$this->hasMVDType = false;
}
//check if the type isTime or "type"
if (isset($parts[1])) {
if (mvIsNtpTime($parts[1])) {
$this->start_time = $parts[1];
if (isset($parts[2])) {
if (mvIsNtpTime($parts[2])) {
$this->end_time = $parts[2];
}
}
}
}
//(support null endtimes)
//if the endtime is unset set it to the default length after the start time:
//if(!isset($end_time)){
//$this->end_time = seconds2ntp(ntp2seconds($this->start_time) + $mvDefaultClipLength) ;
//}
//@@todo make sure start time is not negative & end time is not > duration
//validate the start time:
if (mvIsNtpTime($this->start_time) == false) {
$this->start_time = null;
}
//validate the end time:
if ($this->end_time != null) {
if (mvIsNtpTime($this->end_time) == false) {
$this->end_time = null;
}
//make sure the end time is > than the start time:
if (ntp2seconds($this->start_time) > ntp2seconds($this->end_time)) {
//@@TODO better error handling
$this->start_time = null;
$this->end_time = null;
}
}
}
function do_insert_stream_file($mvStream, $path, $quality_msg)
{
global $mvVideoArchivePaths;
$dbw = wfGetDB(DB_WRITE);
//get file duration from nfo file (if avaliable ):
$nfo_url = $path . '.nfo';
$nfo_txt = @file($nfo_url);
if ($nfo_txt) {
if (isset($nfo_txt[0])) {
list($na, $len) = explode('n:', $nfo_txt[0]);
$len = trim($len);
//trim leading zero
if ($len[0] == '0') {
$len = substr($len, 1);
}
//trim sub frame times:
if (strpos($len, '.') !== false) {
$len = substr($len, 0, strpos($len, '.'));
}
$dur = ntp2seconds($len);
} else {
echo "empty nfo file: {$nfo_url} \n";
$dur = 0;
}
} else {
echo "missing nfo file: {$nfo_url} \n";
$dur = 0;
}
$sql = "INSERT INTO `mv_stream_files` (`stream_id`, `file_desc_msg`, `path`, `duration`)" . " VALUES ('{$mvStream->id}', '{$quality_msg}', " . " '{$path}', {$dur} )";
$dbw->query($sql);
}
