#ifndef _PLAY_H
#define _PLAY_H
#define PLAY_API __declspec(dllexport)
#define CALLMETHOD __stdcall
#define CALLBACK __stdcall
#ifdef __cplusplus
extern "C" {
#endif
#define FUNC_MAX_PORT 101 //最大播放通道数
//Wave coef range;
#define MIN_WAVE_COEF -100
#define MAX_WAVE_COEF 100
//Timer type
#define TIMER_1 1 //Only 16 timers for every process.Default TIMER;
#define TIMER_2 2 //Not limit;But the precision less than TIMER_1;
//缓冲类型
#define BUF_VIDEO_SRC 1 //视频源缓冲
#define BUF_AUDIO_SRC 2 //音频源缓冲
#define BUF_VIDEO_RENDER 3 //解码后视频数据缓冲
#define BUF_AUDIO_RENDER 4 //解码后音频数据缓冲
//错误类型
#define PLAY_NOERROR 0 //没有错误；
#define PLAY_PARA_OVER 1 //输入参数非法；
#define PLAY_ORDER_ERROR 2 //调用顺序不对；
#define PLAY_TIMER_ERROR 3 //多媒体时钟设置失败；
#define PLAY_DEC_VIDEO_ERROR 4 //视频解码失败；
#define PLAY_DEC_AUDIO_ERROR 5 //音频解码失败；
#define PLAY_ALLOC_MEMORY_ERROR 6 //分配内存失败；
#define PLAY_OPEN_FILE_ERROR 7 //文件操作失败；
#define PLAY_CREATE_OBJ_ERROR 8 //创建线程事件等失败；
#define PLAY_CREATE_DDRAW_ERROR 9 //创建directDraw失败；
#define PLAY_CREATE_OFFSCREEN_ERROR 10 //创建后端缓存失败；
#define PLAY_BUF_OVER 11 //缓冲区满，输入流失败；
#define PLAY_CREATE_SOUND_ERROR 12 //创建音频设备失败；
#define PLAY_SET_VOLUME_ERROR 13 //设置音量失败；
#define PLAY_SUPPORT_FILE_ONLY 14 //只能在播放文件时才能使用此接口；
#define PLAY_SUPPORT_STREAM_ONLY 15 //只能在播放流时才能使用此接口；
#define PLAY_SYS_NOT_SUPPORT 16 //系统不支持，解码器只能工作在Pentium 3以上；
#define PLAY_FILEHEADER_UNKNOWN 17 //没有文件头；
#define PLAY_VERSION_INCORRECT 18 //解码器和编码器版本不对应；
#define PLAY_INIT_DECODER_ERROR 19 //初始化解码器失败；
#define PLAY_CHECK_FILE_ERROR 20 //文件太短或码流无法识别；
#define PLAY_INIT_TIMER_ERROR 21 //初始化多媒体时钟失败；
#define PLAY_BLT_ERROR 22 //位拷贝失败；
#define PLAY_UPDATE_ERROR 23 //显示overlay失败；
//Max display regions.
#define MAX_DISPLAY_WND 4
//Display type
#define DISPLAY_NORMAL 1
#define DISPLAY_QUARTER 2
//Display buffers
#define MAX_DIS_FRAMES 50
#define MIN_DIS_FRAMES 6
//chenfeng20090512 -s
#define MAX_PLAYING_BUF_NUM (50)
#define MIN_PLAYING_BUF_NUM (1)
#define DEF_PLAYING_BUF_NUM (3)
//chenfeng20090512 -e
//Locate by
#define BY_FRAMENUM 1
#define BY_FRAMETIME 2
//Source buffer
#define SOURCE_BUF_MAX 1024*100000
#define SOURCE_BUF_MIN 1024*50
//Stream type
#define STREAME_REALTIME 0
#define STREAME_FILE 1
//frame type
#define T_AUDIO16 101
#define T_AUDIO8 100
#define T_CH2_AUDIO16 201 //双声道16位
#define T_CH2_AUDIO8 200 //双声道8位
#define T_UYVY 1
#define T_YV12 3
#define T_RGB32 7
//系统支持的功能，用于按位表示系统功能
#define SUPPORT_DDRAW 1 //支持DIRECTDRAW；如果不支持，则播放器不能工作。
#define SUPPORT_BLT 2 //显卡支持BLT操作；如果不支持，则播放器不能工作
#define SUPPORT_BLTFOURCC 4 //显卡BLT支持颜色转换；
#define SUPPORT_BLTSHRINKX 8 //显卡BLT支持X轴缩小；
#define SUPPORT_BLTSHRINKY 16 //显卡BLT支持Y轴缩小；
#define SUPPORT_BLTSTRETCHX 32 //显卡BLT支持X轴放大；
#define SUPPORT_BLTSTRETCHY 64 //显卡BLT支持Y轴放大；
#define SUPPORT_SSE 128 //CPU支持SSE指令,Intel Pentium3以上支持SSE指令；
#define SUPPORT_MMX 256 //CPU支持MMX指令集。
//Frame position
typedef struct{
long nFilePos;
long nFrameNum;
long nFrameTime;
long nErrorFrameNum;
SYSTEMTIME *pErrorTime;
long nErrorLostFrameNum;
long nErrorFrameSize;
}FRAME_POS,*PFRAME_POS;
//Frame Info
typedef struct{
long nWidth; //画面宽，单位像素。如果是音频数据则为0；
long nHeight; //画面高。如果是音频数据则为0；
long nStamp; //时标信息，单位毫秒。
long nType; //数据类型，T_AUDIO16，T_RGB32， T_YV12，详见宏定义说明。
long nFrameRate; //编码时产生的图像帧率。
}FRAME_INFO;
typedef struct
{
char *pDataBuf;
long nSize;
long nFrameNum;
BOOL bIsAudio;
long nReserved;
}FRAME_TYPE;
//字体类型，目前只支持这些
typedef enum
{
OSD_TXT_FONT_ARIAL = 1,
OSD_TXT_FONT_SERIF,
OSD_TXT_FONT_SANS,
OSD_TXT_FONT_SIMSUN = 101, // 中文字体，宋体
OSD_TXT_FONT_SIMHEI
} DEFAULT_OSD_TXT_FONT;
typedef enum
{
VIDEO_RENDER_DDRAW_OFFSCREEN,
VIDEO_RENDER_DDRAW_OVERLAY,
VIDEO_RENDER_GDI,
VIDEO_RENDER_D3D,
VIDEO_RENDER_OPENGL
} VIDEO_RENDER_MODE;
typedef struct
{
int pos_x; //相对位置(百分比)
int pos_y;
COLORREF color; //字体颜色
char text[256];
DEFAULT_OSD_TXT_FONT font_type;
int font_size; //以窗口的百分比来表示
HFONT out_ft[16]; //创建的字体对象
int isBold; //是否粗体
int isTransparent; //是否透明底色
COLORREF bkColor; //背景色
} OSD_INFO_TXT;
typedef void (CALLBACK* FPDrawFun)(long nPort, HDC hDc, long long nUser, unsigned long seq);//以下为对外接口，供用户作二次开发调用
//以下为对外接口，供用户作二次开发调用
//以下两个是可以不需要调用的接口
PLAY_API BOOL CALLMETHOD VN_PLAY_InitDDraw(HWND hWnd);
PLAY_API BOOL CALLMETHOD VN_PLAY_RealeseDDraw();
PLAY_API BOOL CALLMETHOD VN_PLAY_GetPort(LONG* nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_FreePort(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_OpenFile(LONG nPort,LPSTR sFileName);
PLAY_API BOOL CALLMETHOD VN_PLAY_CloseFile(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_OpenFileEx(LONG nPort,void *handle);
PLAY_API BOOL CALLMETHOD VN_PLAY_CloseFileEx(LONG nPort);
//nDisW用于指定缩放后的图像宽度
//nDisH用于指定缩放后的图像高度
//PLAY_API BOOL CALLMETHOD VN_PLAY_Play(LONG nPort, HWND hWnd, int noDisplay=0);
PLAY_API BOOL CALLMETHOD VN_PLAY_Play(LONG nPort, HWND hWnd, int noDisplay=0, int nDisW=0, int nDisH=0);
PLAY_API BOOL CALLMETHOD VN_PLAY_Stop(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_Pause(LONG nPort,DWORD nPause);
PLAY_API BOOL CALLMETHOD VN_PLAY_Fast(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_Slow(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_OneByOne(LONG nPort);//网络回放单帧
PLAY_API BOOL CALLMETHOD VN_PLAY_SetPlayPos(LONG nPort,float fRelativePos);
PLAY_API float CALLMETHOD VN_PLAY_GetPlayPos(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetFileEndMsg(LONG nPort,HWND hWnd,UINT nMsg);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetVolume(LONG nPort,WORD nVolume);
PLAY_API BOOL CALLMETHOD VN_PLAY_StopSound();
PLAY_API BOOL CALLMETHOD VN_PLAY_PlaySound(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_OpenStream(LONG nPort,PBYTE pFileHeadBuf,DWORD nSize,DWORD nBufPoolSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_InputData(LONG nPort,PBYTE pBuf,DWORD nSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_CloseStream(LONG nPort);
PLAY_API int CALLMETHOD VN_PLAY_GetCaps();
PLAY_API DWORD CALLMETHOD VN_PLAY_GetFileTime(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetPlayedTime(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetPlayedFrames(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_Back(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_BackOne(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDecCallBack(LONG nPort,void (CALLBACK* DecCBFun)(long nPort,char * pBuf, long nSize,FRAME_INFO * pFrameInfo, long nReserved1,long long nReserved2));
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDisplayCallBack(LONG nPort,void (CALLBACK* DisplayCBFun)(long nPort,char * pBuf,long nSize,long nWidth,long nHeight,long nStamp,long nType,long long nReserved), long long nUser = 0);
PLAY_API BOOL CALLMETHOD VN_PLAY_ConvertToBmpFile(char * pBuf,long nSize,long nWidth,long nHeight,long nType, char *sFileName);
PLAY_API BOOL CALLMETHOD VN_PLAY_ConvertToBmpFileEx(char * pBuf,long nSize,long nWidth,long nHeight,long nType,void *fp);
PLAY_API BOOL CALLMETHOD VN_PLAY_ConvertToJpgFile(char * pBuf,long nSize,long nWidth,long nHeight,long quality, char *fileName);
PLAY_API BOOL CALLMETHOD VN_PLAY_ConvertToJpgFileEx(char * pBuf,long nSize,long nWidth,long nHeight,long quality, void *fp);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetFileTotalFrames(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetCurrentFrameRate(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetCurrentBitRate(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetPlayedTimeEx(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetPlayedTimeEx(LONG nPort,DWORD nTime);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetCurrentFrameNum(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetStreamOpenMode(LONG nPort,DWORD nMode);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetFileHeadLength();
PLAY_API DWORD CALLMETHOD VN_PLAY_GetSdkVersion();
PLAY_API DWORD CALLMETHOD VN_PLAY_GetLastError(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_RefreshPlay(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetPictureSize(LONG nPort,LONG *pWidth,LONG *pHeight);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetPicQuality(LONG nPort,BOOL bHighQuality);
PLAY_API BOOL CALLMETHOD VN_PLAY_PlaySoundShare(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_StopSoundShare(LONG nPort);
PLAY_API LONG CALLMETHOD VN_PLAY_GetStreamOpenMode(LONG nPort);
PLAY_API LONG CALLMETHOD VN_PLAY_GetOverlayMode(LONG nPort);
PLAY_API COLORREF CALLMETHOD VN_PLAY_GetColorKey(LONG nPort);
PLAY_API WORD CALLMETHOD VN_PLAY_GetVolume(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetPictureQuality(LONG nPort,BOOL *bHighQuality);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetSourceBufferRemain(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_ResetSourceBuffer(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetSourceBufCallBack(LONG nPort, DWORD nThreShold, void (CALLBACK *SourceBuf__stdcall)(long nPort, DWORD nBufSize, long long dwUser, void *pResvered), long long dwUser, void *pReserved);
PLAY_API BOOL CALLMETHOD VN_PLAY_ResetSourceBufFlag(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDisplayBuf(LONG nPort,DWORD nNum);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetDisplayBuf(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_OneByOneBack(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetFileRefCallBack(LONG nPort, void (CALLBACK *pFileRefDone)(DWORD nPort,long long nUser), long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetCurrentFrameNum(LONG nPort,DWORD nFrameNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetKeyFramePos(LONG nPort,DWORD nValue, DWORD nType, PFRAME_POS pFramePos);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetNextKeyFramePos(LONG nPort,DWORD nValue, DWORD nType, PFRAME_POS pFramePos);
PLAY_API BOOL CALLMETHOD VN_PLAY_InitDDrawDevice();
PLAY_API void CALLMETHOD VN_PLAY_ReleaseDDrawDevice();
PLAY_API DWORD CALLMETHOD VN_PLAY_GetDDrawDeviceTotalNums();
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDDrawDevice(LONG nPort,DWORD nDeviceNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetDDrawDeviceInfo(DWORD nDeviceNum,LPSTR lpDriverDescription,DWORD nDespLen,LPSTR lpDriverName ,DWORD nNameLen,long *hhMonitor);
PLAY_API int CALLMETHOD VN_PLAY_GetCapsEx(DWORD nDDrawDeviceNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_ThrowBFrameNum(LONG nPort,DWORD nNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDisplayType(LONG nPort,LONG nType);
PLAY_API long CALLMETHOD VN_PLAY_GetDisplayType(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDecCBStream(LONG nPort,DWORD nStream);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDisplayRegion(LONG nPort,DWORD nRegionNum, RECT *pSrcRect, HWND hDestWnd, BOOL bEnable);
PLAY_API BOOL CALLMETHOD VN_PLAY_RefreshPlayEx(LONG nPort,DWORD nRegionNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDDrawDeviceEx(LONG nPort,DWORD nRegionNum,DWORD nDeviceNum);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetRefValue(LONG nPort,BYTE *pBuffer, DWORD *pSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetRefValue(LONG nPort,BYTE *pBuffer, DWORD nSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_OpenStreamEx(LONG nPort,PBYTE pFileHeadBuf,DWORD nSize,DWORD nBufPoolSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_CloseStreamEx(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_InputVideoData(LONG nPort,PBYTE pBuf,DWORD nSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_InputAudioData(LONG nPort,PBYTE pBuf,DWORD nSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_RigisterDrawFun(LONG nPort, FPDrawFun cb, long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_RigisterDrawFunEx(LONG nPort,void (CALLBACK* DrawFun)(long nPort,HDC hDc,HWND hWnd,int picW,int picH, long long nUser), long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetTimerType(LONG nPort,DWORD nTimerType,DWORD nReserved);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetTimerType(LONG nPort,DWORD *pTimerType,DWORD *pReserved);
PLAY_API BOOL CALLMETHOD VN_PLAY_ResetBuffer(LONG nPort,DWORD nBufType);
PLAY_API DWORD CALLMETHOD VN_PLAY_GetBufferValue(LONG nPort,DWORD nBufType);
PLAY_API BOOL CALLMETHOD VN_PLAY_AdjustWaveAudio(LONG nPort,LONG nCoefficient);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetVerifyCallBack(LONG nPort, DWORD nBeginTime, DWORD nEndTime, void (CALLBACK * funVerify)(long nPort, FRAME_POS * pFilePos, DWORD bIsVideo, long long nUser), long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetAudioCallBack(LONG nPort, void (CALLBACK * funAudio)(long nPort, char * pAudioBuf, long nSize, long nStamp, long nType, long long nUser), long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetEncTypeChangeCallBack(LONG nPort,void(CALLBACK *funEncChange)(long nPort, long long nUser),long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetColor(LONG nPort, DWORD nRegionNum, int nBrightness, int nContrast, int nSaturation, int nHue);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetColor(LONG nPort, DWORD nRegionNum, int *pBrightness, int *pContrast, int *pSaturation, int *pHue);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetEncChangeMsg(LONG nPort,HWND hWnd,UINT nMsg);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetMDRange(LONG nPort,RECT* rc,DWORD nVauleBegin,DWORD nValueEnd,DWORD nType);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetMDThreShold(LONG nPort, DWORD ThreShold) ;
PLAY_API DWORD CALLMETHOD VN_PLAY_GetMDPosition(LONG nPort, DWORD Direction, DWORD nFrame, DWORD* MDValue) ;
PLAY_API BOOL CALLMETHOD VN_PLAY_CatchPic(LONG nPort,char* sFileName) ;
PLAY_API BOOL CALLMETHOD VN_PLAY_CatchPicEx(LONG nPort,void* fp, int isJpeg) ;
PLAY_API BOOL CALLMETHOD VN_PLAY_SetFileEndCallBack(LONG nPort, void (CALLBACK *pFileEnd)(DWORD nPort, long long nUser), long long nUser);
//dataType 0 是原始码流， 1是AVI
PLAY_API BOOL CALLMETHOD VN_PLAY_StartDataRecord(LONG nPort, char *sFileName, int idataType=0);
PLAY_API BOOL CALLMETHOD VN_PLAY_StopDataRecord(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_StartDataRecordEx(LONG nPort, void *fp, int idataType=0);
//return 8, change avi to dav outside of this api.It is for mjpeg recording
PLAY_API BOOL CALLMETHOD VN_PLAY_StopDataRecordEx(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_AdjustFluency(LONG nPort, int level);
PLAY_API BOOL CALLMETHOD VN_PLAY_ChangeRate(LONG nPort, int rate);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDemuxCallBack(LONG nPort, void (CALLBACK* DecCBFun)(long nPort,char * pBuf, long nSize,void * pParam, long nReserved,long long nUser), long long nUser);
#define HIK_CMD_GetTime 1
#define HIK_CMD_GetFileRate 2
#define CMS_GetFileStartTime 5
#define CMS_GetFileEndTime 6
PLAY_API BOOL CALLMETHOD VN_PLAY_QueryInfo(LONG nPort , int cmdType, char* buf, int buflen, int* returnlen);
typedef void (WINAPI *pCallFunction)(LPBYTE pDataBuffer, DWORD DataLength, long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_OpenAudioRecord(pCallFunction pProc, long nBitsPerSample, long nSamplesPerSec, long nLength, long nReserved, long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_CloseAudioRecord();
//reserved 0 表I帧帧数据水印信息 1 表帧水印 2 表水印校验 3表智能分析帧
typedef int (__stdcall* GetWaterMarkInfoCallbackFunc)(char* buf, long key, long len, long reallen, long reserved, long long nUser); //水印信息获取函数
typedef int (__stdcall* GetInfoFrmCallbackFunc)(int nPort, char* buf,long len, long reserved, long long nUser, unsigned char *tmp, long lenTemp, unsigned long seq);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetWaterMarkCallBack(LONG nPort, GetWaterMarkInfoCallbackFunc pFunc, long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetInfoFrmCallBack(LONG nPort, GetInfoFrmCallbackFunc pFunc, long long nUser);
PLAY_API DWORD CALLMETHOD VN_PLAY_CreateFile(LPSTR sFileName);
PLAY_API BOOL CALLMETHOD VN_PLAY_DestroyFile(LONG nPort);
PLAY_API DWORD CALLMETHOD VN_PLAY_CreateStream(DWORD nBufPoolSize);
PLAY_API BOOL CALLMETHOD VN_PLAY_DestroyStream(LONG nPort);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetPlayingBufNum(LONG nPort, int iBufNum); //chenfeng20090513 -
#define PLAYPARAM_SETSVC 10
#define PLAYPARAM_SETSVACKEY 11
#define PLAYPARAM_SETSVACKEY2 12
#define PLAYPARAM_PASSWORDERRORCB 13
#define PLAYPARAM_EXTINFOCB 14
typedef struct _VN_SVC_PARAM
{
LONG type;
HWND hwnd;
}VN_SVC_PARAM;
typedef struct _VN_SVAC_KEY_PARAM
{
HWND hWnd;
UINT nMsg;
char key[1024];
}VN_SVAC_KEY_PARAM;
typedef struct _VN_SVAC_KEY2_PARAM
{
char key[1024];
}VN_SVAC_KEY2_PARAM;
typedef struct _VN_PASSWORDERRORCB_PARAM
{
void* pcb_passworderror;
void* pUser;
}VN_PASSWORDERRORCB_PARAM;
typedef struct _VN_EXTINFOCB_PARAM
{
void* pcb_extinfo;
void* pUser;
}VN_EXTINFOCB_PARAM;
PLAY_API BOOL CALLMETHOD VN_PLAY_SetParam(LONG nPort, LONG iType, VOID * pParam);
//type：
//0, 默认方式，有增强层显示增强层，没有则显示普通层
//1, 普通层叠加在增强层左上角
//2, 普通层和增加层单独显示，hwnd为增强层的显示窗口句柄
PLAY_API BOOL CALLMETHOD VN_PLAY_SetSvc(LONG nPort, LONG type, HWND hwnd);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDecCallBackEx(LONG nPort,void (CALLBACK* DecCBFun)(long nPort,char * pBuf, long nSize,FRAME_INFO * pFrameInfo, long nReserved, long long user), long long nUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetNeedDecodePasswordCallbackFun(long nPort, void(CALLBACK* pNeedDecodePasswordFun)(long nPort, long nErrorCode, void* pUser), void* pUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetDecodePassword(long nPort, char* sPassword);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetExtensionInfoCallbackFun(long nPort, void (CALLBACK* pExtensionInfoFun)(long nPort, LPCTSTR sExtensionInfo, void* pUser), void* pUser);
PLAY_API BOOL CALLMETHOD VN_PLAY_InputDataEx(LONG nPort, PBYTE pBuffer, DWORD offset, DWORD nSize);
PLAY_API VOID *CALLMETHOD VN_PLAY_GetFunAdress(char* funName);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetROI(LONG nPort, LONG type);
PLAY_API BOOL CALLMETHOD VN_PLAY_GetBytesPS(LONG nPort, LONG* TotalBytesPS, LONG* BlBytesPS);
PLAY_API BOOL CALLMETHOD VN_PLAY_SetVideoRenderMode(LONG nPort, VIDEO_RENDER_MODE mode, COLORREF color);
//设置osd叠加信息,必须在openstream后，play之前设置，否则无效
PLAY_API int CALLMETHOD VN_PLAY_SetOsdTex(LONG nPort, OSD_INFO_TXT * txt);
//删除osd叠加信息,nIndex是H264_PLAY_SetOsdTex的返回值
PLAY_API int CALLMETHOD VN_PLAY_DeleteOsdTex(LONG nPort, int nIndex);
#ifdef __cplusplus
}
#endif
#endif
看下这段代码
本文探讨了WinCE5环境下GetExitCodeProcess函数的返回值问题，指出其返回值可能并非传统的1，而是较大且不固定的数值。尽管GetLastError返回0，但获取到的退出代码却是正确的。文章还讨论了该现象是否意味着应信任LastError，并引用MSDN文档进行解释。
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