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 $img_file;
}
/**
* for each image add it to the image directory
*/
function do_process_images($stream, $force = false)
{
global $mvLocalImgLoc, $MVStreams, $wgDBname;
$dbr = wfGetDB(DB_SLAVE);
$dbw = wfGetDB(DB_MASTER);
// get all images for the current stream:
$sql = "SELECT * FROM `metavid`.`image_archive`\n\t\t\t\tWHERE `stream_fk`= {$stream->id}";
$image_res = $dbr->query($sql);
$img_count = $dbr->numRows($image_res);
print "Found " . $img_count . " images for stream " . $stream->name . "\n";
// grab from metavid and copy to local directory structure:
$i = $j = 0;
$mv_stream_id = $MVStreams[$stream->name]->getStreamId();
// if force we can clear out existing images:
if ($force) {
print "force update flag (remove all existing images)\n";
$local_img_dir = MV_StreamImage::getLocalImageDir($mv_stream_id);
$res = $dbr->query("SELECT * FROM `{$wgDBname}`.`mv_stream_images` WHERE `stream_id`={$mv_stream_id}");
while ($row = $dbr->fetchObject($res)) {
$local_img_file = $local_img_dir . '/' . $row->time . '*.jpg';
shell_exec('rm -f ' . $local_img_file);
}
// remove db entries:
$dbw->query("DELETE FROM `{$wgDBname}`.`mv_stream_images` WHERE `stream_id`={$mv_stream_id}");
}
while ($row = $dbr->fetchObject($image_res)) {
// if(isset($row->
$relative_time = $row->time - $stream->adj_start_time;
// status updates:
if ($i == 10) {
print "On image {$j} of {$img_count} time: " . seconds2npt($relative_time) . " {$metavid_img_url}\n";
$i = 0;
}
$j++;
$i++;
// get streamImage obj:
$local_img_dir = MV_StreamImage::getLocalImageDir($mv_stream_id);
$metavid_img_url = 'http://metavid.org/image_media/' . $row->id . '.jpg';
$local_img_file = $local_img_dir . '/' . $relative_time . '.jpg';
// check if the image already exist in the new table
$sql = "SELECT * FROM `{$wgDBname}`.`mv_stream_images` " . "WHERE `stream_id`={$mv_stream_id} " . "AND `time`={$relative_time}";
$img_check = $dbr->query($sql);
$doInsert = true;
if ($dbr->numRows($img_check) != 0) {
// make sure its there and matches what it should be:
if (is_file($local_img_file)) {
$row = $dbr->fetchObject($img_check);
// print "file $local_img_file skiped, stream_id:" . $mv_stream_id . " time: " . seconds2npt($relative_time) . "\n";
continue;
} else {
// grab but don't insert:
$doInsert = false;
}
}
if ($doInsert) {
// insert:
$dbw->insert('mv_stream_images', array('stream_id' => $MVStreams[$stream->name]->getStreamId(), 'time' => $relative_time));
$img_id = $dbw->insertId();
// $grab = exec('cd ' . $img_path . '; wget ' . $im_url);
}
if (is_file($local_img_file)) {
echo "skipped {$local_img_file} \n";
continue;
}
// print "run copy: $metavid_img_url, $local_img_file \n";
if (!copy($metavid_img_url, $local_img_file)) {
echo "failed to copy {$metavid_img_url} to {$local_img_file}...\n";
} else {
// all good don't report anything'
// print "all good\n";
}
}
}
