/**
*
* 从gridfs直接输出到客户端
*/
public function output()
{
/*
* Mongo方式
$grid=$this->getGridFS();
$cursor = $grid->chunks->find(array('files_id' => $id))->sort(array('n' => 1));
foreach($cursor as $chunk) {
echo $chunk['data']->bin;
}
*/
//$bin = fastdfs_storage_download_file_to_buff($this->fs_group_name, $this->fs_filename);
$bin = NDCS::download_file_to_buff($this->fs_group_name, $this->fs_filename);
if (strlen($bin) > 0) {
Core::header('Content-Type: ' . $this->mime);
Core::header('Content-Length: ' . strlen($bin));
echo $bin;
Core::quit();
} else {
GridFS::fdfs_error($this->fs_group_name, $this->fs_filename);
}
}
public function output($offset = 0, $length = 0)
{
// $fdfs = new \FastDFS();
//创建一个临时文件
$tmp_file = Core::tempname();
//从fastdfs下载到本地
// $fdfs->storage_download_file_to_file($this->fs_group_name, $this->fs_filename, $tmp_file);
//$fdfs_result = fastdfs_storage_download_file_to_file($this->fs_group_name, $this->fs_filename, $tmp_file, $offset, $length);
$fdfs_result = NDCS::download_file_to_file($this->fs_group_name, $this->fs_filename, $tmp_file, $offset, $length);
if (!$fdfs_result) {
GridFS::fdfs_error($this->fs_group_name, $this->fs_filename);
}
$fh = fopen($tmp_file, "rb");
if ($fh) {
//流输出
while (!feof($fh)) {
echo fread($fh, 4096);
@ob_flush();
@flush();
}
fclose($fh);
//删除临时文件
@unlink($tmp_file);
} else {
Core::fault(554);
}
// $fdfs->tracker_close_all_connections();
Core::quit();
}
/**
* 同源文件格式转换
* 已经转换过直接读取转换的文件；
* 未转换实时转换并保存
* @param array('mp3','m4r','mp4', 'gif') $type
*/
public function output_convert($type)
{
//加入随机数到文件名避免线程冲突
$orifile = Core::tempname(str_replace("'", "", rand(1, 100000) . '_' . $this->fid . '_' . $this->getFilename()));
$convertfile = Core::tempname(str_replace("'", "", rand(1, 100000) . '_' . $this->fid . '_' . $this->getFilename()) . '.' . $type);
if ($newfile = $this->getByFiletype($type)) {
$newfile->output();
} else {
$fileSource = new FileSource();
$fileSource->setFilename($this->mime, $this->size, $this->md5);
if (!$fileSource->ifExist()) {
Core::fault(404);
}
//$fdfs_result = fastdfs_storage_download_file_to_file($fileSource->fs_group_name, $fileSource->fs_filename, $orifile);
$fdfs_result = NDCS::download_file_to_file($fileSource->fs_group_name, $fileSource->fs_filename, $orifile);
if (!$fdfs_result) {
GridFS::fdfs_error($fileSource->fs_group_name, $fileSource->fs_filename);
}
if ($type == 'mp3') {
$cmd = Core::config('ffmpeg_binary') . ' -i \'' . $orifile . '\' -ar 20050 \'' . $convertfile . '\'';
} elseif ($type == 'm4r') {
$cmd = Core::config('ffmpeg_binary') . ' -i \'' . $orifile . '\' -ab 128000 -f mp4 -acodec libfaac \'' . $convertfile . '\'';
} elseif ($type == 'mp4') {
$cmd = Core::config('ffmpeg_binary') . ' -y -i \'' . $orifile . '\' -b 384k -vcodec libx264 -flags +loop+mv4 -cmp 256 -partitions +parti4x4+parti8x8+partp4x4+partp8x8 -subq 6 -trellis 0 -refs 5 -bf 0 -flags2 +mixed_refs -coder 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -qmin 10 -qmax 51 -qdiff 4 -acodec libfaac -ac 1 -ar 16000 -r 13 -ab 32000 \'' . $convertfile . '\'';
// $logit = true;
}
if ($type == 'gif') {
list($done, $code) = $this->_convert_gif($orifile, $convertfile);
} else {
$done = Core::cmdRun($cmd, $code);
}
// if ($logit){
// \MongoLogger::instance()->log('mp4_convert_debug',$done,array('fid'=>$this->fid,'code'=>$code,'md5'=>@md5_file($convertfile)));
// }
if ($code) {
Core::header('x-apiperf-cvtr:' . json_encode($done));
Core::fault(500);
}
$filesize = filesize($convertfile);
if ($filesize > 1) {
if ($newfile = $this->putByFiletype($type, $convertfile)) {
//$newfile->output();
} else {
Core::header('x-apiperf-puterr:1');
}
} else {
Core::header('x-apiperf-cvtr:' . json_encode($convertfile));
Core::fault(500);
}
Core::header("Content-Type: " . $newfile->mime . "; charset=UTF-8");
Core::header('Cache-Control: public');
//若去掉则ie无法弹出下载框
//以附件下载显示的文件名
Core::header_disposition($convertfile);
Core::header_range($filesize, $start, $end, $length);
Core::readfile($convertfile, $start, $length);
Core::quit();
}
}