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00084 #ifndef __OPAL_VPBLID_H
00085 #define __OPAL_VPBLID_H
00086
00087 #ifdef P_USE_PRAGMA
00088 #pragma interface
00089 #endif
00090
00091 #include "openh323buildopts.h"
00092
00093 #if HAS_VPB
00094
00095 #include "lid.h"
00096
00097
00098 class VPBToneThread;
00099
00100
00103 class OpalVpbDevice : public OpalLineInterfaceDevice
00104 {
00105 PCLASSINFO(OpalVpbDevice, OpalLineInterfaceDevice);
00106
00107 public:
00110 OpalVpbDevice();
00111
00115 ~OpalVpbDevice() { Close(); }
00116
00119 virtual BOOL Open(
00120 const PString & device
00121 );
00122
00125 virtual BOOL Close();
00126
00129 virtual PString GetName() const;
00130
00133 virtual unsigned GetLineCount();
00134
00135
00140 virtual BOOL IsLineOffHook(
00141 unsigned line
00142 );
00143
00147 virtual BOOL SetLineOffHook(
00148 unsigned line,
00149 BOOL newState = TRUE
00150 );
00151
00152
00155 virtual BOOL IsLineRinging(
00156 unsigned line,
00157 DWORD * cadence = NULL
00158 );
00159
00163 virtual BOOL IsLineDisconnected(
00164 unsigned line,
00165 BOOL checkForWink = TRUE
00166 );
00167
00170 virtual OpalMediaFormat::List GetMediaFormats() const;
00171
00174 virtual BOOL SetReadFormat(
00175 unsigned line,
00176 const OpalMediaFormat & mediaFormat
00177 );
00178
00181 virtual BOOL SetWriteFormat(
00182 unsigned line,
00183 const OpalMediaFormat & mediaFormat
00184 );
00185
00188 virtual OpalMediaFormat GetReadFormat(
00189 unsigned line
00190 );
00191
00194 virtual OpalMediaFormat GetWriteFormat(
00195 unsigned line
00196 );
00197
00200 virtual BOOL StopReadCodec(
00201 unsigned line
00202 );
00203
00206 virtual BOOL StopWriteCodec(
00207 unsigned line
00208 );
00209
00214 virtual BOOL SetReadFrameSize(
00215 unsigned line,
00216 PINDEX frameSize
00217 );
00218
00223 virtual BOOL SetWriteFrameSize(
00224 unsigned line,
00225 PINDEX frameSize
00226 );
00227
00231 virtual PINDEX GetReadFrameSize(
00232 unsigned line
00233 );
00234
00238 virtual PINDEX GetWriteFrameSize(
00239 unsigned line
00240 );
00241
00244 virtual BOOL ReadFrame(
00245 unsigned line,
00246 void * buf,
00247 PINDEX & count
00248 );
00249
00252 virtual BOOL WriteFrame(
00253 unsigned line,
00254 const void * buf,
00255 PINDEX count,
00256 PINDEX & written
00257 );
00258
00259
00264 virtual BOOL SetRecordVolume(
00265 unsigned line,
00266 unsigned volume
00267 );
00268
00273 virtual BOOL SetPlayVolume(
00274 unsigned line,
00275 unsigned volume
00276 );
00277
00280 int GetOSHandle(
00281 unsigned line
00282 );
00283
00289 virtual char ReadDTMF(
00290 unsigned line
00291 );
00292
00296 virtual BOOL PlayDTMF(
00297 unsigned line,
00298 const char * digits,
00299 DWORD onTime = 90,
00300 DWORD offTime = 30
00301 );
00302
00303
00306 virtual unsigned IsToneDetected(
00307 unsigned line
00308 );
00309
00310 virtual BOOL PlayTone(
00311 unsigned line,
00312 CallProgressTones tone
00313 );
00314
00315 virtual BOOL StopTone(
00316 unsigned line
00317 );
00318
00319 virtual BOOL PlayAudio(
00320 unsigned line,
00321 const PString & filename
00322 );
00323
00324 virtual BOOL StopAudio(
00325 unsigned line
00326 );
00327
00328 protected:
00329 unsigned cardNumber;
00330 unsigned lineCount;
00331
00332 enum { MaxLineCount = 8 };
00333
00334 struct LineState {
00335 BOOL Open(unsigned cardNumber, unsigned lineNumber);
00336 BOOL SetLineOffHook(BOOL newState);
00337 BOOL IsLineRinging(DWORD *);
00338
00339 int handle;
00340 BOOL currentHookState;
00341 PINDEX readFormat, writeFormat;
00342 PINDEX readFrameSize, writeFrameSize;
00343 BOOL readIdle, writeIdle;
00344 PMutex DTMFmutex;
00345 BOOL DTMFplaying;
00346 VPBToneThread * myToneThread;
00347 } lineState[MaxLineCount];
00348 };
00349
00350 #endif // HAS_VPB
00351
00352 #endif // __OPAL_VPBLID_H
00353
00354