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00035 #include "stdafx.h"
00036 #include "BasicSeekPassThrough.h"
00037
00038 BasicSeekPassThrough::BasicSeekPassThrough(IMediaSeeking* inDelegate)
00039
00040 {
00041 mSeekDelegate = inDelegate;
00042
00043
00044 mSeekingCap = 0;
00045 mSeekingCap = AM_SEEKING_CanSeekAbsolute |
00046 AM_SEEKING_CanSeekForwards |
00047 AM_SEEKING_CanSeekBackwards |
00048
00049 AM_SEEKING_CanGetStopPos |
00050 AM_SEEKING_CanGetDuration;
00051
00052
00053
00054
00055 }
00056
00057 BasicSeekPassThrough::BasicSeekPassThrough(void)
00058
00059 {
00060
00061 mSeekDelegate = NULL;
00062 mSeekingCap = AM_SEEKING_CanSeekAbsolute |
00063 AM_SEEKING_CanSeekForwards |
00064 AM_SEEKING_CanSeekBackwards |
00065
00066 AM_SEEKING_CanGetStopPos |
00067 AM_SEEKING_CanGetDuration;
00068
00069
00070
00071
00072
00073 }
00074
00075 bool BasicSeekPassThrough::ReleaseDelegate() {
00076 if (mSeekDelegate != NULL) {
00077 mSeekDelegate->Release();
00078 mSeekDelegate = NULL;
00079 }
00080 return true;
00081 }
00082
00083 bool BasicSeekPassThrough::SetDelegate(IMediaSeeking* inDelegate) {
00084 mSeekDelegate = inDelegate;
00085 return true;
00086 }
00087 BasicSeekPassThrough::~BasicSeekPassThrough(void)
00088 {
00089
00090 if (mSeekDelegate != NULL) {
00091 mSeekDelegate->Release();
00092 mSeekDelegate = NULL;
00093 }
00094
00095 }
00096
00097 STDMETHODIMP BasicSeekPassThrough::GetCapabilities(DWORD* inCapabilities) {
00098
00099
00100
00101
00102
00103
00104
00105
00106
00107
00108
00109
00110
00111
00112
00113
00114
00115 if (mSeekDelegate != NULL) {
00116
00117 return mSeekDelegate->GetCapabilities(inCapabilities);
00118 } else {
00119
00120
00121 return E_NOTIMPL;
00122 }
00123
00124 }
00125 STDMETHODIMP BasicSeekPassThrough::CheckCapabilities(DWORD* outCapabilities) {
00126
00127
00128
00129
00130
00131
00132
00133
00134
00135
00136
00137
00138
00139
00140 if (mSeekDelegate != NULL) {
00141
00142 return mSeekDelegate->CheckCapabilities(outCapabilities);
00143 } else {
00144
00145
00146 return E_NOTIMPL;
00147 }
00148
00149 }
00150 STDMETHODIMP BasicSeekPassThrough::IsFormatSupported(const GUID* inFormat) {
00151
00152
00153
00154
00155
00156
00157
00158
00159
00160
00161 if (mSeekDelegate != NULL) {
00162
00163 return mSeekDelegate->IsFormatSupported(inFormat);
00164 } else {
00165
00166
00167 return E_NOTIMPL;
00168 }
00169
00170 }
00171 STDMETHODIMP BasicSeekPassThrough::QueryPreferredFormat(GUID* outFormat) {
00172
00173
00174
00175
00176
00177
00178
00179 if (mSeekDelegate != NULL) {
00180
00181 return mSeekDelegate->QueryPreferredFormat(outFormat);
00182 } else {
00183
00184
00185 return E_NOTIMPL;
00186 }
00187
00188 }
00189 STDMETHODIMP BasicSeekPassThrough::SetTimeFormat(const GUID* inFormat) {
00190
00191 if (mSeekDelegate != NULL) {
00192
00193 return mSeekDelegate->SetTimeFormat(inFormat);
00194 } else {
00195
00196
00197 return E_NOTIMPL;
00198 }
00199 }
00200
00201 STDMETHODIMP BasicSeekPassThrough::GetTimeFormat( GUID *outFormat) {
00202 if (mSeekDelegate != NULL) {
00203
00204 return mSeekDelegate->GetTimeFormat(outFormat);
00205 } else {
00206
00207
00208 return E_NOTIMPL;
00209 }
00210 }
00211 STDMETHODIMP BasicSeekPassThrough::GetDuration(LONGLONG* outDuration) {
00212
00213 if (mSeekDelegate != NULL) {
00214
00215 return mSeekDelegate->GetDuration(outDuration);
00216 } else {
00217
00218
00219 return E_NOTIMPL;
00220 }
00221
00222 }
00223 STDMETHODIMP BasicSeekPassThrough::GetStopPosition(LONGLONG* inStop) {
00224 if (mSeekDelegate != NULL) {
00225
00226 return mSeekDelegate->GetStopPosition(inStop);
00227 } else {
00228
00229
00230 return E_NOTIMPL;
00231 }
00232
00233 }
00234 STDMETHODIMP BasicSeekPassThrough::GetCurrentPosition(LONGLONG* outCurrent) {
00235
00236
00237 if (mSeekDelegate != NULL) {
00238
00239 return mSeekDelegate->GetCurrentPosition(outCurrent);
00240 } else {
00241
00242
00243 return E_NOTIMPL;
00244 }
00245 }
00246 STDMETHODIMP BasicSeekPassThrough::ConvertTimeFormat(LONGLONG* outTarget, const GUID* inTargetFormat, LONGLONG inSource, const GUID* inSourceFormat) {
00247
00248 if (mSeekDelegate != NULL) {
00249
00250 return mSeekDelegate->ConvertTimeFormat(outTarget, inTargetFormat, inSource, inSourceFormat);
00251 } else {
00252
00253
00254 return E_NOTIMPL;
00255 }
00256 }
00257 STDMETHODIMP BasicSeekPassThrough::SetPositions(LONGLONG* inoutCurrent, DWORD inCurrentFlags, LONGLONG* inStop, DWORD inStopFlags) {
00258 if (mSeekDelegate != NULL) {
00259
00260 HRESULT locHR = mSeekDelegate->SetPositions(inoutCurrent, inCurrentFlags, inStop, inStopFlags);
00261 if (locHR == S_OK) {
00262
00263
00264
00265 }
00266 return locHR;
00267 } else {
00268
00269
00270 return E_NOTIMPL;
00271 }
00272
00273 }
00274 STDMETHODIMP BasicSeekPassThrough::GetPositions(LONGLONG* outCurrent, LONGLONG* outStop) {
00275 if (mSeekDelegate != NULL) {
00276
00277 return mSeekDelegate->GetPositions(outCurrent, outStop);
00278 } else {
00279
00280
00281 return E_NOTIMPL;
00282 }
00283
00284 }
00285 STDMETHODIMP BasicSeekPassThrough::GetAvailable(LONGLONG* outEarliest, LONGLONG* outLatest) {
00286 if (mSeekDelegate != NULL) {
00287
00288 return mSeekDelegate->GetAvailable(outEarliest, outLatest);
00289 } else {
00290
00291
00292 return E_NOTIMPL;
00293 }
00294 }
00295 STDMETHODIMP BasicSeekPassThrough::SetRate(double inRate) {
00296
00297 if (mSeekDelegate != NULL) {
00298
00299 return mSeekDelegate->SetRate(inRate);
00300 } else {
00301
00302
00303 return E_NOTIMPL;
00304 }
00305 }
00306 STDMETHODIMP BasicSeekPassThrough::GetRate(double* outRate) {
00307 if (mSeekDelegate != NULL) {
00308
00309 return mSeekDelegate->GetRate(outRate);
00310 } else {
00311
00312
00313 return E_NOTIMPL;
00314 }
00315 }
00316 STDMETHODIMP BasicSeekPassThrough::GetPreroll(LONGLONG* outPreroll) {
00317 if (mSeekDelegate != NULL) {
00318
00319 return mSeekDelegate->GetPreroll(outPreroll);
00320 } else {
00321
00322
00323 return E_NOTIMPL;
00324 }
00325 }
00326 STDMETHODIMP BasicSeekPassThrough::IsUsingTimeFormat(const GUID* inFormat) {
00327 if (mSeekDelegate != NULL) {
00328
00329 return mSeekDelegate->IsUsingTimeFormat(inFormat);
00330 } else {
00331
00332
00333 return E_NOTIMPL;
00334 }
00335 }
00336