Windows平台RTMP推送|轻量级RTSP服务录像模块如何支持中文路径？

/** 设置本地录像目录, 必须是英文目录，否则会失败*/    [DllImport(@"SmartPublisherSDK.dll")]
publicstaticexternUInt32NT_PB_SetRecorderDirectory(IntPtrhandle, [MarshalAs(UnmanagedType.LPStr)] Stringdir, IntPtrpReserve);

/** 设置本地录像目录, 支持中文目录, 需要设置宽字符，比如L"D:\\xxx\\gg"*/        [DllImport(@"SmartPublisherSDK.dll")]
publicstaticexternUInt32NT_PB_SetRecorderDirectoryW(IntPtrhandle, [MarshalAs(UnmanagedType.LPWStr)]Stringdir, IntPtrpReserve);

publicboolStartRecorder()
        {
if (is_empty_handle() ||is_recording())
returnfalse;
//string edit_rec_dir = "D:\\dntest";stringedit_rec_dir="D:\\推送端录像";
if (String.IsNullOrEmpty(edit_rec_dir))
            {
Console.WriteLine("请设置录像目录");
returnfalse;
            }
uintret=NTSmartPublisherSDK.NT_PB_SetRecorderDirectoryW(handle_, edit_rec_dir, IntPtr.Zero);
if (NTBaseCodeDefine.NT_ERC_OK!=ret)
            {
try_close_handle();
returnfalse;
            }
uintrec_max_file_size=512*1024;
NTSmartPublisherSDK.NT_PB_SetRecorderFileMaxSize(handle_, rec_max_file_size);
NT_PB_RecorderFileNameRulerrec_name_ruler=newNT_PB_RecorderFileNameRuler();
Stringrec_file_name_prefix_="transcode-rec";
rec_name_ruler.file_name_prefix_=rec_file_name_prefix_.ToString();
rec_name_ruler.append_date_=1;
rec_name_ruler.append_time_=1;
NTSmartPublisherSDK.NT_PB_SetRecorderFileNameRuler(handle_, refrec_name_ruler);
if (NTBaseCodeDefine.NT_ERC_OK!=NTSmartPublisherSDK.NT_PB_StartRecorder(handle_, IntPtr.Zero))
            {
try_close_handle();
returnfalse;
            }
shared_lock_.EnterWriteLock();
try            {
handle_reference_count_++;
is_recording_=true;
            }
finally            {
shared_lock_.ExitWriteLock();
            }
returntrue;
        }
publicUInt32PauseRecorder(boolis_pause)
        {
if (is_empty_handle() ||!is_recording())
returnNTBaseCodeDefine.NT_ERC_FAILED;
UInt32ret=NTBaseCodeDefine.NT_ERC_OK;
if (is_pause)
            {
ret=NTSmartPublisherSDK.NT_PB_PauseRecorder(handle_, 1);
if ((UInt32)NT.NTSmartPublisherDefine.NT_PB_E_ERROR_CODE.NT_ERC_PB_NEED_RETRY==ret)
                {
Console.WriteLine("暂停录像失败, 请重新尝试!");
returnret;
                }
elseif (NTBaseCodeDefine.NT_ERC_OK==ret)
                {
//btn_pause_rec.Text = "恢复录像";                }
            }
else            {
ret=NTSmartPublisherSDK.NT_PB_PauseRecorder(handle_, 0);
if ((UInt32)NT.NTSmartPublisherDefine.NT_PB_E_ERROR_CODE.NT_ERC_PB_NEED_RETRY==ret)
                {
Console.WriteLine("恢复录像失败, 请重新尝试!");
returnret;
                }
elseif (NTBaseCodeDefine.NT_ERC_OK==ret)
                {
//btn_pause_rec.Text = "暂停录像";                }
            }
returnret;
        }
publicvoidStopRecorder()
        {
if (is_empty_handle() ||!is_recording())
return;
shared_lock_.EnterWriteLock();
try            {
is_recording_=false;
handle_reference_count_--;
            }
finally            {
shared_lock_.ExitWriteLock();
            }
NTSmartPublisherSDK.NT_PB_StopRecorder(handle_);
try_close_handle();
        }

privatevoidPbEventCallBack(UInt32event_id,
Int64param1,
Int64param2,
UInt64param3,
UInt64param4,
            [MarshalAs(UnmanagedType.LPStr)] Stringparam5,
            [MarshalAs(UnmanagedType.LPStr)] Stringparam6,
IntPtrparam7)
        {
Stringevent_log="";
switch (event_id)
            {
                ......
case (uint)NTSmartPublisherDefine.NT_PB_E_EVENT_ID.NT_PB_E_EVENT_ID_RECORDER_START_NEW_FILE:
event_log=" start new recorder file";
byte[] utf8_bytes=Encoding.Default.GetBytes(param5);
byte[] default_bytes=Encoding.Convert(Encoding.UTF8, Encoding.Default, utf8_bytes);
Stringfile_name=Encoding.Default.GetString(default_bytes);
if (!String.IsNullOrEmpty(file_name))
                    {
event_log=event_log+" file name:"+file_name;
                    }
break;
case (uint)NTSmartPublisherDefine.NT_PB_E_EVENT_ID.NT_PB_E_EVENT_ID_ONE_RECORDER_FILE_FINISHED:
event_log=" finish recorder file";
byte[] finished_utf8_bytes=Encoding.Default.GetBytes(param5);
byte[] finished_default_bytes=Encoding.Convert(Encoding.UTF8, Encoding.Default, finished_utf8_bytes);
Stringfinished_file_name=Encoding.Default.GetString(finished_default_bytes);
if (!String.IsNullOrEmpty(finished_file_name))
                    {
event_log=event_log+" file name:"+finished_file_name;
                    }
break;
                .......
default:
break;
            }
EventGetPublisherEventMsg(event_log);
        }