codeigniter教程之上传视频并使用ffmpeg转flv示例

$file = video_file;
$config[upload_path] = ./video_folder/;
$config[allowed_types] = mov|mpeg|mp3|avi;
$config[max_size] = 50000;
$config[max_width]   = ;
$config[max_height]   = ;

$this->upload->initialize($config);
$this->load->library(upload, $config);

if(!$this->upload->do_upload($file))
{
// If there is any error
$err_msgs .= Error in Uploading video .$this->upload->display_errors().<br />;
}
else
{
$data=array(upload_data => $this->upload->data());
$video_path = $data[upload_data][file_name];
  $directory_path = $data[upload_data][file_path];
$directory_path_full      = $data[upload_data][full_path];
$file_name = $data[upload_data][raw_name];

// ffmpeg command to convert video

exec("ffmpeg -i ".$directory_path_full." ".$directory_path.$file_name.".flv");

// $file_name is same file name that is being uploaded but you can give your custom video name after converting So use something like myfile.flv.

/// In the end update video name in DB
$array = array(
video => $file_name...flv,
);
$this->db->set($array);
$this->db->where(id,$id); // Table where you put video name
$query = $this->db->update(user_videos);
}