?？低坑脖P錄像機C 開發(fā)接口PlayCtrl.dll播放控件

using?Syst?em;u?sing?Syste?m.Run?time.?Inter?opSer?vices?;usi?ngSy?stem.?Drawi?ng;?names?pace?HikPl?ayer?{?#re?gion?struc?t?pub?lics?truct?FRAM?E_INF?O?{??///?<summ?ary>??//?/畫面寬?，單位像素?。如果是音?頻數(shù)據(jù)則為?0??///??//?/lon?gnWi?dth;??//?/</s?ummar?y>??publ?icin?tnWi?dth;??//?/<su?mmary?>??///畫?面高。如果?是音頻數(shù)據(jù)?則為0??///???///l?ongn?Heigh?t;??///?</sum?mary>??p?ublic?int?nHeig?ht;??///?<sum?mary>??/?//時標?信息，單位?毫秒。??///???///l?ongn?Stamp?;??///<?/summ?ary>??pu?blic?intn?Stamp?;??///<?summa?ry>??///?數(shù)據(jù)類型?，T_AU?DIO16?，T_RG?B32，?T_YV1?2??///??//?/lon?gnTy?pe;??///?</su?mmary?>??publi?cint?nTyp?e;??///?<summ?ary>??//?/編碼時?產(chǎn)生的圖像?幀率。??///???///l?ongn?Frame?Rate;??/?//</?summa?ry>??pub?lici?ntnF?rameR?ate;?}??///?<summ?ary>?/?//ty?pedef?stru?ct{?/?//?lon?gnFi?lePos?;/?/文件位置?；?///??long?nFram?eNum;?//幀?序號；?/?//?lon?gnFr?ameTi?me;?//幀時標?（ms）;??///?}FRAM?E_POS?,*PFR?AME_P?OS;??///<?/summ?ary>?p?ublic?stru?ctPF?RAME_?POS?{??//?/<su?mmary?>??///出?錯的文件位?置??///??/?//lo?ngnF?ilePo?s;??///?</sum?mary>??p?ublic?int?nFile?Pos;??//?/<su?mmary?>??///出?錯后正常的?幀號??///???///l?ongn?Frame?Num;??//?/</s?ummar?y>??publ?icin?tnFr?ameNu?m;??///?<summ?ary>??//?/出錯后?正常的時間?（相對此文?件開始時間?）??///??/?//lo?ngnF?rameT?ime;??//?/</s?ummar?y>??publ?icin?tnFr?ameTi?me;??///?<sum?mary>??/?//出錯?時的幀號??/?//??///?long?nErr?orFra?meNum?;??///<?/summ?ary>??pu?blic?intn?Error?Frame?Num;??//?/<su?mmary?>??///出?錯的絕對時?間（設備錄?象文件有用?）??///??/?//SY?STEMT?IME*?pErro?rTime?;??///<?/summ?ary>??pu?blic?DateT?imep?Error?Time;??/?//<s?ummar?y>??///?出錯時丟失?的幀數(shù)??//?/??///?long?nErro?rLost?Frame?Num;??//?/</s?ummar?y>??publ?icin?tnEr?rorLo?stFra?meNum?;??///<?summa?ry>??///?出錯時?錯誤的數(shù)據(jù)?大小??///???///l?ongn?Error?Frame?Size;??/?//</?summa?ry>??pub?lici?ntnE?rrorF?rameS?ize;?}??publ?icst?ruct?FRAME?_TYPE??{??///<?summa?ry>??///?數(shù)據(jù)幀首?地址??///??/?//ch?ar*p?DataB?uf;??//?/</s?ummar?y>??publ?icby?te[]?pData?Buf;??//?/<su?mmary?>??///數(shù)?據(jù)幀的大小???///l?ongn?Size;???///<?/summ?ary>??pu?blic?intn?Size;??/?//<s?ummar?y>??///?數(shù)據(jù)幀的個?數(shù)??///??//?/lon?gnFr?ameNu?m;??//?/</s?ummar?y>??publ?icin?tnFr?ameNu?m;??///?<summ?ary>??//?/是否音?頻幀??///??/?//BO?OLbI?sAudi?o;??/?//</?summa?ry>??pub?licb?oolb?IsAud?io;??///?<sum?mary>??/?//保留??/?//??///?long?nRes?erved?;??///?</sum?mary>??p?ublic?int?nRese?rved;??}?#en?dregi?on?#r?egion?dele?gate??///<?summa?ry>?//?/voi?d(CA?LLBAC?K*De?cCBFu?n)(lo?ngnP?ort,c?har*?pBuf?,long?nSiz?e,FRA?ME_IN?FO*?pFram?eInfo?,lon?gnRe?serve?d1,lo?ngnR?eserv?ed2)?/?//?//?/注意：?關(guān)于回調(diào)函?數(shù)。因為v?b不支持多?線程，所以?當回調(diào)函數(shù)?是VB聲明?的函數(shù)時，?在vc的線?程中調(diào)用?/?//vb?的函數(shù)，會?有問題。詳?見：Mic?rosof?tKno?wledg?eBas?eArt?icle?-Q19?8607?“PRB:?Acce?ssVi?olati?onin?VB?/?//Ru?n-Tim?eUsi?ngAd?dress?Of”。??///?</sum?mary>??///<?param?name?="nPo?rt">播?放器通道號?</par?am>?//?/<pa?ramn?ame="?pBuf"?>解碼后的?音視頻數(shù)據(jù)?</par?am>?//?/<pa?ramn?ame="?nSize?">解碼后?的音視頻數(shù)?據(jù)pBuf?的長度</?param?>?///?<para?mnam?e="pF?rameI?nfo">?圖像和聲音?信息</p?aram>??///<?param?name?="nRe?serve?d1">保?留參數(shù)</?param?>?///?<para?mnam?e="nR?eserv?ed2">?保留參數(shù)<?/para?m>?pub?licd?elega?tevo?idDe?cCBFu?n(int?nPor?t,In?tPtr?pBuf,?int?nSize?,ref?FRAM?E_INF?OpFr?ameIn?fo,i?ntnR?eserv?ed1,?intn?Reser?ved2)?;?///?<sum?mary>??///v?oid(?CALLB?ACK*?Displ?ayCBF?un)(l?ongn?Port,?char?*pBu?f,lon?gnSi?ze,lo?ngnW?idth,?long?nHeig?ht,lo?ngnS?tamp,?long?nType?,long?nRec?eaved?));?/?//</?summa?ry>?//?/<pa?ramn?ame="?nPort?">通道號?</par?am>?//?/<pa?ramn?ame="?pBuf"?>返回圖像?數(shù)據(jù)</p?aram>??///<?param?name?="nSi?ze">返?回圖像數(shù)據(jù)?大小</p?aram>??///<?param?name?="nWi?dth">?畫面寬，單?位像素</?param?>?///?<para?mnam?e="nH?eight?">畫面高?</par?am>?//?/<pa?ramn?ame="?nStam?p">時標?信息，單位?毫秒</p?aram>??///<?param?name?="nTy?pe">數(shù)?據(jù)類型，?T_YV1?2，T_R?GB32，?T_UYV?Y</pa?ram>?/?//<p?aram?name=?"nRec?eaved?">保留<?/para?m>?pub?licd?elega?tevo?idDi?splay?CBFun?(int?nPort?,Int?Ptrp?Buf,?intn?Size,?int?nWidt?h,in?tnHe?ight,?int?nStam?p,in?tnTy?pe,i?ntnR?eceav?ed);??///<?summa?ry>?//?/voi?dCAL?LBACK?Sour?ceBuf?CallB?ack(l?ongn?Port,?DWORD?nBuf?Size,?DWOR?DdwU?ser,v?oid*p?Conte?xt)?/?//</?summa?ry>?//?/<pa?ramn?ame="?nPort?">播放器?通道號</?param?>?///?<para?mnam?e="nB?ufSiz?e">緩沖?區(qū)中剩余數(shù)?據(jù)</pa?ram>?/?//<p?aram?name=?"dwUs?er">用?戶數(shù)據(jù)</?param?>?///?<para?mnam?e="pC?ontex?t">保留?數(shù)據(jù)</p?aram>??publi?cdel?egate?void?Sour?ceBuf?CallB?ack(i?ntnP?ort,?ushor?tnBu?fSize?,ush?ortd?wUser?,Int?Ptrp?Conte?xt);??///<?summa?ry>?//?/voi?dFil?eRefD?one(D?WORD?nPort?,DWOR?DnUs?er)?/?//</?summa?ry>?//?/<pa?ramn?ame="?nPort?">播放器?通道號</?param?>?///?<para?mnam?e="nU?ser">?用戶數(shù)據(jù)<?/para?m>?pub?licd?elega?tevo?idFi?leRef?Done(?intn?Port,?usho?rtnU?ser);??///?<summ?ary>?/?//vo?idCA?LLBAC?KDra?wFun(?long?nPort?,HDC?hDc,L?ONGn?User)?；?///?</su?mmary?>?///?<para?mnam?e="nP?ort">?通道號</?param?>?///?<para?mnam?e="hD?c">hD?cOff?Scree?n表面設備?上下文，你?可以像操作?顯示窗口客?戶區(qū)DC那?樣操作它。?</par?am>?//?/<pa?ramn?ame="?nUser?">用戶數(shù)?據(jù)，就是上?面輸入的用?戶數(shù)據(jù)</?param?>?publ?icde?legat?evoi?dDra?wFun(?intn?Port,?IntP?trhD?c,in?tnUs?er);??///<?summa?ry>?//?/voi?d__s?tdcal?lVer?ify(l?ongn?Port,?FRAM?E_POS?*pF?ilePo?s,DW?ORDb?IsVid?eo,D?WORD?nUser?)?///?</sum?mary>??///<?param?name?="nPo?rt">通?道號</p?aram>??///<?param?name?="pFi?lePos?">文件位?置</pa?ram>?/?//<p?aram?name=?"bIsV?ideo"?>是否視頻?數(shù)據(jù)，1視?頻，0音頻?</par?am>?//?/<pa?ramn?ame="?nUser?">用戶數(shù)?據(jù)</pa?ram>?p?ublic?dele?gate?void?Verif?y(int?nPor?t,re?fPFR?AME_P?OSpF?ilePo?s,us?hort?bIsVi?deo,?ushor?tnUs?er);??///<?summa?ry>?//?/voi?d__s?tdcal?lAu?dio(l?ongn?Port,?char?*pA?udioB?uf,l?ongn?Size,?long?nSta?mp,l?ongn?Type,?long?nUse?r)?//?/</s?ummar?y>?///?<par?amna?me="n?Port"?>通道號<?/para?m>?///?<par?amna?me="p?Audio?Buf">?wave格?式音頻數(shù)據(jù)?</par?am>?//?/<pa?ramn?ame="?nSize?">音頻數(shù)?據(jù)長度</?param?>?///?<para?mnam?e="nS?tamp"?>時標(?ms)<?/para?m>?///?<par?amna?me="n?Type"?>音頻類型?T_AUD?IO16,?采樣率1?6khz，?單聲道，每?個采樣點1?6位表示?</par?am>?//?/<pa?ramn?ame="?nUser?">用戶自?定義數(shù)據(jù)<?/para?m>?pub?licd?elega?tevo?idAu?dio(i?ntnP?ort,?strin?gpAu?dioBu?f,in?tnSi?ze,i?ntnS?tamp,?int?nType?,int?nUse?r);?/?//<s?ummar?y>?///?void?(CAL?LBACK?*fun?EncCh?ange)?(long?nPor?t,lon?gnUs?er)?/?//</?summa?ry>?//?/<pa?ramn?ame="?nPort?">通道號?</par?am>?//?/<pa?ramn?ame="?nUser?">用戶自?定義數(shù)據(jù)<?/para?m>?pub?licd?elega?tevo?idEn?cChan?ge(in?tnPo?rt,i?ntnU?ser);??///?<summ?ary>?/?//vo?id(CA?LLBAC?K*fu?nGetO?rigna?lFram?e)(lo?ngnP?ort,F?RAME_?TYPE?*fram?eType?,lon?gnUs?er)?/?//</?summa?ry>?//?/<pa?ramn?ame="?nPort?">通道號?</par?am>?//?/<pa?ramn?ame="?frame?Type"?>有關(guān)數(shù)據(jù)?幀的信息<?/para?m>?///?<par?amna?me="n?User"?></pa?ram>?p?ublic?dele?gate?void?GetOr?ignal?Frame?(int?nPort?,ref?FRAM?E_TYP?Efra?meTyp?e,in?tnUs?er);??#end?regio?n?///?<sum?mary>??///播?放器?///?</su?mmary?>?publ?icse?aled?class?HikP?layer??{??#reg?ionC?onst?Membe?rVar?iable?s??#reg?ionS?ource?buff?er??//#?defin?eSOU?RCE_B?UF_MA?X??p?ublic?stat?icre?adonl?yuin?tSOU?RCE_B?UF_MA?X=1?024*?1000?00;??//#?defin?eSOU?RCE_B?UF_MI?N?1024*?50??publ?icst?atic?reado?nlyu?intS?OURCE?_BUF_?MIN=?1024?*50?;??#end?regio?n??#reg?ionf?rame?type??//?/<su?mmary?>??///音?頻數(shù)據(jù);采?樣率16k?hz，單聲?道，每個采?樣點16位?表示。??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tT_A?UDIO1?6=1?01;??pub?lics?tatic?read?only?intT?_AUDI?O8=?100;??/?//<s?ummar?y>??///?視頻數(shù)據(jù)，?uyvy格?式?！癠0?-Y0-V?0-Y1-?U2-Y2?-V2-Y?3….”，?第一個像素?位于圖像左?上角。??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntT_?UYVY?=1;??//?/<su?mmary?>??///視?頻數(shù)據(jù)，y?v12格式?。排列順序?“Y0-Y?1-……”?，“V0-?V1….”?，“U0-?U1-….?.”。??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntT_?YV12?=3;??//?/<su?mmary?>??///視?頻數(shù)據(jù)。每?個像素4個?字節(jié)，排列?方式與位圖?相似，“B?-G-R-?0……”?，第一個像?素位于圖像?左下角。??/?//</?summa?ry>??pub?lics?tatic?read?only?intT?_RGB3?2=7?;??#end?regio?n??#reg?ionS?tream?type???///<?summa?ry>??///?實時模式?，適合播放?網(wǎng)絡實時數(shù)?據(jù)，解碼器?會立刻解碼?。??///<?/summ?ary>??pu?blic?stati?crea?donly?int?STREA?ME_RE?ALTIM?E=0?;??///<?summa?ry>??///?文件模式?，適合用戶?把文件數(shù)據(jù)?用流方式輸?入。注意：?當Hik_?PlayM?4_Inp?utDat?a()返回?FALSE?時，用戶要?等一下重新?輸入。??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tSTR?EAME_?FILE?=1;??#?endre?gion??#?regio?nErr?orco?de??///?<sum?mary>??/?//沒有?錯誤??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_NOE?RROR?=0;?//?noer?ror??///?<sum?mary>??/?//輸入?參數(shù)非法??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntHI?K_PLA?YM4_P?ARA_O?VER=?1;?//i?nput?param?eter?isin?valid?;??///<?summa?ry>??///?調(diào)用順序?不對??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_ORD?ER_ER?ROR=?2;?//T?heor?dero?fthe?func?tion?tobe?call?edis?erro?r.??///?<summ?ary>??//?/多媒體?時鐘設置失?敗??///<?/summ?ary>??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_TIME?R_ERR?OR=?3;?//Cr?eate?multi?media?cloc?kfai?led;??//?/<su?mmary?>??///視?頻解碼失敗??/?//</?summa?ry>??pub?lics?tatic?read?only?intH?IK_PL?AYM4_?DEC_V?IDEO_?ERROR?=4;?/?/Deco?devi?deod?ataf?ailed?.??///<?summa?ry>??///?音頻解碼?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_DEC?_AUDI?O_ERR?OR=?5;?//De?code?audio?data?fail?ed.??///?<sum?mary>??/?//分配?內(nèi)存失敗??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntHI?K_PLA?YM4_A?LLOC_?MEMOR?Y_ERR?OR=?6;?//Al?locat?emem?oryf?ailed?.??///<?summa?ry>??///?文件操作?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_OPE?N_FIL?E_ERR?OR=?7;?//Op?enth?efil?efai?led.??//?/<su?mmary?>??///創(chuàng)?建線程事件?等失敗??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_CR?EATE_?OBJ_E?RROR?=8;?//?Creat?ethr?eado?reve?ntfa?iled??//?/<su?mmary?>??///創(chuàng)?建dire?ctDra?w失敗??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_CR?EATE_?DDRAW?_ERRO?R=9?;?//Cre?ateD?irect?Draw?objec?tfai?led.??//?/<su?mmary?>??///創(chuàng)?建后端緩存?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_CRE?ATE_O?FFSCR?EEN_E?RROR?=10;?/?/fail?edwh?encr?eatin?goff?-scre?ensu?rface?.??///<?summa?ry>??///?緩沖區(qū)滿?，輸入流失?敗??///<?/summ?ary>??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_BUF_?OVER?=11;?/?/buff?eris?over?flow??//?/<su?mmary?>??///創(chuàng)?建音頻設備?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_CRE?ATE_S?OUND_?ERROR?=12?;?//fai?ledw?henc?reati?ngau?diod?evice?.??/?//<s?ummar?y>??///?設置音量失?敗??///<?/summ?ary>??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_SET_?VOLUM?E_ERR?OR=?13;?//S?etvo?lume?faile?d??///<?summa?ry>??///?只能在播?放文件時才?能使用此接?口??///<?/summ?ary>??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_SUPP?ORT_F?ILE_O?NLY=?14;?//?Thef?uncti?onon?lysu?pport?play?file?.??///<?summa?ry>??///?只能在播?放流時才能?使用此接口??/?//</?summa?ry>??pub?lics?tatic?read?only?intH?IK_PL?AYM4_?SUPPO?RT_ST?REAM_?ONLY?=15;?/?/The?funct?iono?nlys?uppor?tpla?ystr?eam.??//?/<su?mmary?>??///系?統(tǒng)不支持，?解碼器只能?工作在Pe?ntium?3以上??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntHI?K_PLA?YM4_S?YS_NO?T_SUP?PORT?=16;?//Sys?temn?otsu?pport?.??///<?summa?ry>??///?沒有文件?頭??///<?/summ?ary>??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_FILE?HEADE?R_UNK?NOWN?=17;?/?/Nof?ileh?eader?.??///<?summa?ry>??///?解碼器和?編碼器版本?不對應??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_VE?RSION?_INCO?RRECT?=18?;?//The?vers?iono?fdec?oder?ande?ncode?ris?nota?dapte?d.??//?/<su?mmary?>??///初?始化解碼器?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PALYM?4_INI?T_DEC?ODER_?ERROR?=19?;?//Ini?tiali?zede?coder?fail?ed.??///?<sum?mary>??/?//文件?太短或碼流?無法識別??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntHI?K_PLA?YM4_C?HECK_?FILE_?ERROR?=20?;?//The?file?data?isu?nknow?n.??///?<summ?ary>??//?/初始化?多媒體時鐘?失敗??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?HIK_?PLAYM?4_INI?T_TIM?ER_ER?ROR=?21;?//?Initi?alize?mult?imedi?aclo?ckfa?iled.??/?//<s?ummar?y>??///?位拷貝失敗??/?//</?summa?ry>??pub?lics?tatic?read?only?intH?IK_PL?AYM4_?BLT_E?RROR?=22;?/?/Blt?faile?d.??///?<summ?ary>??//?/顯示o?verla?y失敗??///?</su?mmary?>??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_UP?DATE_?ERROR?=23?;?//Upd?atef?ailed?.??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_OP?EN_FI?LE_ER?ROR_M?ULTI?=24;?//o?penfi?leer?ror,?strea?mtype?ism?ulti??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_OPEN?_FILE?_ERRO?R_VID?EO=?25;/?/open?file?error?,str?eamty?peis?vide?o??publi?csta?ticr?eadon?lyin?tHIK?_PLAY?M4_JP?EG_CO?MPRES?S_ERR?OR=?26;?//JP?EGco?mpres?serr?or??publ?icst?atic?reado?nlyi?ntHI?K_PLA?YM4_E?XTRAC?T_NOT?_SUPP?ORT=?27;?//?Don't?supp?ortt?heve?rsion?oft?hisf?ile.??pu?blic?stati?crea?donly?int?HIK_P?LAYM4?_EXTR?ACT_D?ATA_E?RROR?=28;?/?/extr?actv?ideo?data?faile?d.??#en?dregi?on??#re?gion?Displ?aybu?ffers???///<?summa?ry>??///?播放緩沖?最大值??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntMA?X_DIS?_FRAM?ES=?50;??///?<sum?mary>??/?//播放?緩沖最小值???///<?/summ?ary>??pu?blic?stati?crea?donly?int?MIN_D?IS_FR?AMES?=6;??#?endre?gion??#?regio?nLoc?ateb?y??///?<summ?ary>??//?/幀號??//?/</s?ummar?y>??publ?icst?atic?reado?nlyi?ntBY?_FRAM?ENUM?=1;??//?/<su?mmary?>??///時?間??///<?/summ?ary>??pu?blic?stati?crea?donly?int?BY_FR?AMETI?ME=?2;??#en?dregi?on??#re?gion?Displ?ayty?pe??///?<sum?mary>??/?//正常?分辨率數(shù)據(jù)?送顯卡顯示?。??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?DISP?LAY_N?ORMAL?=1;??/?//<s?ummar?y>??///?1/4分辨?率數(shù)據(jù)送顯?卡顯示。??/?//</?summa?ry>??pub?lics?tatic?read?only?intD?ISPLA?Y_QUA?RTER?=2;??#?endre?gion??#?regio?nTim?erty?pe??///?<sum?mary>??/?//一個?進程中只能?使用16個?，定時比較?準，畫面流?暢。??///?Only?16ti?mers?fore?very?proce?ss.De?fault?TIME?R;??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?TIME?R_1=?1;??///?<sum?mary>??/?//使用?數(shù)目沒有限?制，定時沒?有TIME?R_1準。??/?//No?tlim?it;Bu?tthe?prec?ision?less?than?TIME?R_1;??/?//</?summa?ry>??pub?lics?tatic?read?only?intT?IMER_?2=2?;??#end?regio?n??#reg?ion緩?沖區(qū)類型?BUFFE?RTYP?E??///?<summ?ary>??//?/視頻數(shù)?據(jù)源緩沖區(qū)?，緩沖解碼?之前視頻數(shù)?據(jù)，只對流?模式有效，?單位byt?e。??///?</sum?mary>??p?ublic?stat?icre?adonl?yint?BUF_?VIDEO?_SRC?=1;??//?/<su?mmary?>??///音?頻數(shù)據(jù)源緩?沖區(qū)，緩沖?解碼之前音?頻數(shù)據(jù)，只?對流模式有?效,單位?byte。???///<?/summ?ary>??pu?blic?stati?crea?donly?int?BUF_A?UDIO_?SRC=?2;??///?<sum?mary>??/?//解碼?后視頻數(shù)據(jù)?緩沖區(qū)，單?位幀數(shù)。??/?//</?summa?ry>??pub?lics?tatic?read?only?intB?UF_VI?DEO_R?ENDER?=3;??/?//<s?ummar?y>??///?解碼后音頻?數(shù)據(jù)緩沖區(qū)?，單位幀數(shù)?，音頻40?ms數(shù)據(jù)定?為一幀。??/?//</?summa?ry>??pub?lics?tatic?read?only?intB?UF_AU?DIO_R?ENDER?=4;???#endr?egion???#endr?egion???publi?csta?ticr?eadon?lyui?ntWM?_USER?=0x?0400;??p?ublic?stat?icre?adonl?yuin?tWM_?FILE_?END=?WM_U?SER+?33;??pu?blic?stati?crea?donly?uint?WM_E?NC_CH?ANGE?=WM_?USER?+100?;??publi?csta?ticr?eadon?lyin?tWIN?VER=?0x04?00;??#r?egion?縮進??//?/初始化?Direc?tDraw?表面。在使?用vb,d?elphi?開發(fā)時請注?意，它們生?成的對話框?具有WS_?CLIPC?HILDR?EN??///?窗口風格，?必須去掉這?種風格，否?則顯示畫面?會被對話框?上的控件覆?蓋。注意：?1.1版以?上不需要調(diào)?用。??///??/?//1、?BOOL?Hik_?PlayM?4_Ini?tDDra?w(HWN?DhWn?d);??///?</su?mmary?>??///<?param?name?="hWn?d">hW?nd應用?程序主窗口?的句柄。<?/para?m>??///?<retu?rns><?/retu?rns>??[D?llImp?ort("?HikPl?ayM4.?dll")?]??publi?csta?tice?xtern?bool?Hik_?PlayM?4_Ini?tDDra?w(Int?Ptrh?Wnd);???///<?summa?ry>??///?釋放di?rectD?raw表面?；注意：1?.1版以上?不需要調(diào)用?。??///??//?/2、?BOOL?Hik_P?layM4?_Real?eseDD?raw()?;??///?</sum?mary>??/?//<r?eturn?s></r?eturn?s>??[Dll?Impor?t("Hi?kPlay?M4.dl?l")]??pu?blic?stati?cext?ernb?oolH?ik_Pl?ayM4_?Reale?seDDr?aw();???///<?summa?ry>??///?打開播放?文件??///??/?//3、?BOOL?Hik_?PlayM?4_Ope?nFile?(LONG?nPor?t,LPS?TRsF?ileNa?me);??/?//</?summa?ry>??///?<par?amna?me="n?Port"?></pa?ram>??//?/<pa?ramn?ame="?sFile?Name"?>文件名，?文件不能超?過4G或小?于4K</?param?>??///<?retur?ns></?retur?ns>??[Dl?lImpo?rt("H?ikPla?yM4.d?ll")]??p?ublic?stat?icex?tern?bool?Hik_P?layM4?_Open?File(?intn?Port,?stri?ngsF?ileNa?me);??/?//<s?ummar?y>??///?關(guān)閉播放文?件??///??//?/4、?BOOL?Hik_P?layM4?_Clos?eFile?(LONG?nPor?t);??//?/</s?ummar?y>??///?<para?mnam?e="nP?ort">?</par?am>??///?<ret?urns>?</ret?urns>??[?DllIm?port(?"HikP?layM4?.dll"?)]??publ?icst?atic?exter?nboo?lHik?_Play?M4_Cl?oseFi?le(in?tnPo?rt);??/?//<s?ummar?y>??///?播放開始，?播放視頻畫?面大小將根?據(jù)hWnd?窗口調(diào)整，?要全屏顯示?，只要把h?Wnd窗口?放大到全屏?。??///?如果?已經(jīng)播放，?只是改變當?前播放速度?為正常速度?。??///?輸?入?yún)?shù)：h?Wnd播?放視頻的窗?口句柄。??/?//??///?5、B?OOLH?ik_Pl?ayM4_?Play(?LONG?nPort?,HWN?DhWn?d);??//?/</s?ummar?y>??///?<para?mnam?e="nP?ort">?</par?am>??///?<par?amna?me="h?Wnd">?</par?am>??///?<ret?urns>?</ret?urns>??[?DllIm?port(?"HikP?layM4?.dll"?)]??publ?icst?atic?exter?nboo?lHik?_Play?M4_Pl?ay(in?tnPo?rt,I?ntPtr?hWnd?);??///?<sum?mary>??/?//播放?結(jié)束??///??/?//6、?BOOL?Hik_?PlayM?4_Sto?p(LON?GnPo?rt);??/?//</?summa?ry>??///?<par?amna?me="n?Port"?></pa?ram>??//?/<re?turns?></re?turns?>??[DllI?mport?("Hik?PlayM?4.dll?")]??pub?lics?tatic?exte?rnbo?olHi?k_Pla?yM4_S?top(i?ntnP?ort);???///<?summa?ry>??///?播放暫停?/恢復??///???///7?、BOO?LHik?_Play?M4_Pa?use(L?ONGn?Port,?DWORD?nPau?se);??/?//</?summa?ry>??///?<par?amna?me="n?Port"?></pa?ram>??//?/<pa?ramn?ame="?nPaus?e">TR?UE暫停，?否則恢復<?/para?m>??///?<retu?rns><?/retu?rns>??[D?llImp?ort("?HikPl?ayM4.?dll")?]??publi?csta?tice?xtern?bool?Hik_?PlayM?4_Pau?se(in?tnPo?rt,b?ooln?Pause?);??///?<sum?mary>??/?//快速?播放，每次?調(diào)用將使當?前播放速度?加快一倍，?最多調(diào)用4?次；要恢復?正常播放調(diào)?用??///H?ik_Pl?ayM4_?Play(?),從當前?位置開始正?常播放??///???///8?、BOO?LHik?_Play?M4_Fa?st(LO?NGnP?ort);???///<?/summ?ary>??//?/<pa?ramn?ame="?nPort?"></p?aram>??/?//<r?eturn?s></r?eturn?s>??[Dll?Impor?t("Hi?kPlay?M4.dl?l")]??pu?blic?stati?cext?ernb?oolH?ik_Pl?ayM4_?Fast(?intn?Port)?;??///?<summ?ary>??//?/慢速播?放，每次調(diào)?用將使當前?播放速度慢?一倍；最多?調(diào)用4次；?要恢復正常?播放調(diào)用H?ik_Pl?ayM4_?Play??//?/??///?9、BO?OLHi?k_Pla?yM4_S?low(L?ONGn?Port)?;??///?</sum?mary>??/?//<p?aram?name=?"nPor?t"></?param?>??///<?retur?ns></?retur?ns>??[Dl?lImpo?rt("H?ikPla?yM4.d?ll")]??p?ublic?stat?icex?tern?bool?Hik_P?layM4?_Slow?(int?nPort?);??///?<sum?mary>??/?//設置?文件播放指?針的相對位?置（百分比?）。??///???///1?0、BOO?LHik?_Play?M4_Se?tPlay?Pos(L?ONGn?Port,?float?fRel?ative?Pos);???///<?/summ?ary>??//?/<pa?ramn?ame="?nPort?"></p?aram>??/?//<p?aram?name=?"fRel?ative?Pos">?范圍0-1?00%?0-1之?間</pa?ram>??//?/<re?turns?></re?turns?>??[DllI?mport?("Hik?PlayM?4.dll?")]??pub?lics?tatic?exte?rnbo?olHi?k_Pla?yM4_S?etPla?yPos(?intn?Port,?floa?tfRe?lativ?ePos)?;??///?<summ?ary>??//?/獲得文?件播放指針?的相對位置??/?//??///?11、f?loat?Hik_P?layM4?_GetP?layPo?s(LON?GnPo?rt);??/?//</?summa?ry>??///?<par?amna?me="n?Port"?>范圍0-?100%<?/para?m>??///?<retu?rns><?/retu?rns>??[D?llImp?ort("?HikPl?ayM4.?dll")?]??publi?csta?tice?xtern?floa?tHik?_Play?M4_Ge?tPlay?Pos(i?ntnP?ort);???///<?summa?ry>??///?說明：設?置文件結(jié)束?時要發(fā)送的?消息；從2?.4版開始?，當文件播?放完時，解?碼線程將不?會自動結(jié)束?，需要??///?用戶做停?止工作：應?用程序在收?到這個消息?后要調(diào)用播?放結(jié)束函數(shù)?Hik_P?layM4?_Stop?(nPor?t)。??//?/??///?12、BO?OLHi?k_Pla?yM4_S?etFil?eEndM?sg(LO?NGnP?ort,H?WNDh?Wnd,U?INTn?Msg);???///<?/summ?ary>??//?/<pa?ramn?ame="?nPort?"></p?aram>??/?//<p?aram?name=?"hWnd?">消息發(fā)?送的窗口。?</pa?ram>??//?/<pa?ramn?ame="?nMsg"?>用戶自定?義的輸入的?消息；當播?放到文件結(jié)?束時用戶從?hWnd窗?口過程中收?到這個消息?。此消息函?數(shù)中的wP?aram參?數(shù)返回nP?ort的值?。</pa?ram>??//?/<re?turns?></re?turns?>??[DllI?mport?("Hik?PlayM?4.dll?")]??pub?lics?tatic?exte?rnbo?olHi?k_Pla?yM4_S?etFil?eEndM?sg(in?tnPo?rt,I?ntPtr?hWnd?,uin?tnMs?g);??//?/<su?mmary?>??///設?置音量；可?以在播放之?前設置，返?回值是FA?LSE，但?設置的值被?保存，并作?為啟動聲音?時的初始??//?/??///?13、BO?OLHi?k_Pla?yM4_S?etVol?ume(L?ONGn?Port,?WORD?nVolu?me);??/?//</?summa?ry>??///?<par?amna?me="n?Port"?></pa?ram>??//?/<pa?ramn?ame="?nVolu?me">n?Volum?e音量的?值，范圍0?-0XFF?FF</p?aram>??/?//<r?eturn?s></r?eturn?s>??[Dll?Impor?t("Hi?kPlay?M4.dl?l")]??pu?blic?stati?cext?ernb?oolH?ik_Pl?ayM4_?SetVo?lume(?intn?Port,?int?nVolu?me);??/?//<s?ummar?y>??///?打開聲音；?同一時刻只?能有一路聲?音。如果現(xiàn)?在已經(jīng)有聲?音打開，則?自動關(guān)閉原?來已經(jīng)打開?的聲音。??//?/?注意：默?認情況下聲?音是關(guān)閉的?！??///??/?//14?．BOOL?Hik?_Play?M4_Pl?aySou?nd(LO?NGnP?ort);???///<?/summ?ary>??//?/<pa?ramn?ame="?nPort?"></p?aram>??/?//<r?eturn?s></r?eturn?s>??[Dll?Impor?t("Hi?kPlay?M4.dl?l")]??pu?blic?stati?cext?ernb?oolH?ik_Pl?ayM4_?PlayS?ound(?intn?Port)?;??///?<summ?ary>??//?/關(guān)閉聲?音??///??//?/15．?BOOL?Hik_?PlayM?4_Sto?pSoun?d();??/?//</?summa?ry>??///?<ret?urns>?</ret?urns>??[?DllIm?port(?"HikP?layM4?.dll"?)]??publ?icst?atic?exter?nboo?lHik?_Play?M4_St?opSou?nd();???///<?summa?ry>??///?打開流接?口（類似打?開文件）??//?/??///?16．BO?OLH?ik_Pl?ayM4_?OpenS?tream?(LONG?nPor?t,PBY?TEpF?ileHe?adBuf?,DWOR?DnSi?ze,DW?ORDn?BufPo?olSiz?e);??//?/</s?ummar?y>??///?<para?mnam?e="nP?ort">?</par?am>??///?<par?amna?me="p?FileH?eadBu?f">用戶?從卡上得到?的文件頭數(shù)?據(jù)。</p?aram>??/?//<p?aram?name=?"nSiz?e">文件?頭長度。<?/para?m>??///?<para?mnam?e="nB?ufPoo?lSize?">設置播?放器中存放?數(shù)據(jù)流的緩?沖區(qū)大小。?范圍是SO?URCE_?BUF_M?IN~S?OURCE?_BUF_?MAX。?</par?am>??///?<ret?urns>?</ret?urns>??[?DllIm?port(?"HikP?layM4?.dll"?)]??publ?icst?atic?exter?nboo?lHik?_Play?M4_Op?enStr?eam(i?ntnP?ort,?IntPt?rpFi?leHea?dBuf,?usho?rtnS?ize,?ushor?tnBu?fPool?Size)?;??///?<sum?mary>??/?//輸入?從卡上得到?的流數(shù)據(jù)；?打開流之后?才能輸入數(shù)?據(jù)。??///??/?//17?．BOOL?Hik?_Play?M4_In?putDa?ta(LO?NGnP?ort,P?BYTE?pBuf,?DWORD?nSiz?e);??//?/</s?ummar?y>??///?<para?mnam?e="nP?ort">?</par?am>??///?<par?amna?me="p?Buf">?緩沖區(qū)地址?</par?am>??///?<par?amna?me="n?Size"?>緩沖區(qū)大?小</pa?ram>??//?/<re?turns?>TURE?,表示已經(jīng)?輸入數(shù)據(jù)。?FALSE?表示失敗?，數(shù)據(jù)沒有?輸入。</?retur?ns>??[Dl?lImpo?rt("H?ikPla?yM4.d?ll")]??p?ublic?stat?icex?tern?bool?Hik_P?layM4?_Inpu?tData?(int?nPort?,Int?Ptrp?Buf,?ushor?tnSi?ze);??/?//<s?ummar?y>??///?關(guān)閉數(shù)據(jù)流??/?//??///?18.B?OOL?Hik_P?layM4?_Clos?eStre?am(LO?NGnP?ort);???///<?/summ?ary>??//?/<pa?ramn?ame="?nPort?"></p?aram>??/?//<r?eturn?s></r?eturn?s>??[Dll?Impor?t("Hi?kPlay?M4.dl?l")]??pu?blic?stati?cext?ernb?oolH?ik_Pl?ayM4_?Close?Strea?m(int?nPor?t);??//?/<su?mmary?>??///測?試播放器需?要的一些系?統(tǒng)功能??//?/?注意：如果?顯卡支持上?面列出的顯?示功能，將?會大大降低?CPU利用?率。解碼后?的圖像是3?52*28?8（PAL?）??///?大小，?如果顯卡不?支持放大縮?小，則建議?顯示窗口也?使用352?*288。???///??//?/19．?int?Hik?_Play?M4_Ge?tCaps?();??//?/</s?ummar?y>??///?<retu?rns>??//?/1~8?位分別表示?以下信息（?位與是TR?UE表示支?持）：??//?/?SUPPO?RT_DD?RAW?支持DI?RECTD?RAW；如?果不支持，?則播放器不?能工作。??/?//?SUPP?ORT_B?LT??顯卡支?持BLT操?作；如果不?支持，則播?放器不能工?作。??///?S?UPPOR?T_BLT?FOURC?C顯?卡BLT支?持顏色轉(zhuǎn)換?；如果不支?持，播放器?會使用軟件?方式作RG?B轉(zhuǎn)換。??//?/?SUPPO?RT_BL?TSHRI?NKX顯?卡BLT支?持X軸縮小?；如果不支?持，系統(tǒng)使?用軟件方式?轉(zhuǎn)換。??///?S?UPPOR?T_BLT?SHRIN?KY?顯卡BLT?支持Y軸縮???；如果不?支持，系統(tǒng)?使用軟件方?式轉(zhuǎn)換。??/?//?SU