IObject.c revision ccdf07b17f23b4c040dd3f62478d0965eba804e3
161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* 261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Copyright (C) 2010 The Android Open Source Project 361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * you may not use this file except in compliance with the License. 661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * You may obtain a copy of the License at 761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * 1061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * Unless required by applicable law or agreed to in writing, software 1161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 1261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * See the License for the specific language governing permissions and 1461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten * limitations under the License. 1561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten */ 1661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten/* Object implementation */ 1861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#include "sles_allinclusive.h" 2061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 2161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IObject_Realize(SLObjectItf self, SLboolean async) 2261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 2361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 2461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const ClassTable *class__ = this->mClass; 253d146e0a31f5ee2a7d9807c4e99994084fdd3283Jean-Michel Trivi AsyncHook realize = class__->mRealize; 263a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten SLresult result; 273a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten slObjectCallback callback = NULL; 283a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten void *context = NULL; 293a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten SLuint32 state = 0; 3061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 3161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (SL_OBJECT_STATE_UNREALIZED != this->mState) { 3261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 3361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } else { 343a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // FIXME The realize hook and callback should be asynchronous if requested 35ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME For asynchronous, mark operation pending to prevent duplication 363a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten result = NULL != realize ? (*realize)(this, async) : SL_RESULT_SUCCESS; 3761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (SL_RESULT_SUCCESS == result) 3861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mState = SL_OBJECT_STATE_REALIZED; 393a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // Make a copy of these, so we can call the callback with mutex unlocked 403a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten if (async) { 413a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten callback = this->mCallback; 423a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten context = this->mContext; 433a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten state = this->mState; 443a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten } 4561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 4661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 473a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten if (NULL != callback) 483a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten (*callback)(self, context, SL_OBJECT_EVENT_ASYNC_TERMINATION, result, state, NULL); 4961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return result; 5061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 5161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 5261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IObject_Resume(SLObjectItf self, SLboolean async) 5361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 5461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 5561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const ClassTable *class__ = this->mClass; 563a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten StatusHook resume = class__->mResume; 573a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten SLresult result; 583a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten slObjectCallback callback = NULL; 593a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten void *context = NULL; 603a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten SLuint32 state = 0; 6161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 6261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (SL_OBJECT_STATE_SUSPENDED != this->mState) { 6361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 6461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } else { 653a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // FIXME The resume hook and callback should be asynchronous if requested 66ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME For asynchronous, mark operation pending to prevent duplication 673a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten result = NULL != resume ? (*resume)(this) : SL_RESULT_SUCCESS; 6861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (SL_RESULT_SUCCESS == result) 6961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mState = SL_OBJECT_STATE_REALIZED; 703a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // Make a copy of these, so we can call the callback with mutex unlocked 713a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten if (async) { 723a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten callback = this->mCallback; 733a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten context = this->mContext; 743a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten state = this->mState; 753a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten } 7661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 7761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 783a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten if (NULL != callback) 793a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten (*callback)(self, context, SL_OBJECT_EVENT_ASYNC_TERMINATION, result, state, NULL); 8061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return result; 8161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 8261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 8361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IObject_GetState(SLObjectItf self, SLuint32 *pState) 8461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 8561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pState) 8661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 8761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 883a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // Note that the state is immediately obsolete, so a peek lock is safe 893a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten object_lock_peek(this); 9061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 state = this->mState; 913a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten object_unlock_peek(this); 9261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pState = state; 9361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 9461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 9561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 963a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IObject_GetInterface(SLObjectItf self, const SLInterfaceID iid, void *pInterface) 9761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 9861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pInterface) 9961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 10061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLresult result; 10161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten void *interface = NULL; 10261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == iid) 10361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_PARAMETER_INVALID; 10461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten else { 10561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 10661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const ClassTable *class__ = this->mClass; 10761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten int MPH, index; 10861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if ((0 > (MPH = IID_to_MPH(iid))) || 10961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten (0 > (index = class__->mMPH_to_index[MPH]))) 11061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_FEATURE_UNSUPPORTED; 11161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten else { 11261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten unsigned mask = 1 << index; 11361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_shared(this); 11461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (SL_OBJECT_STATE_REALIZED != this->mState) 11561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_PRECONDITIONS_VIOLATED; 11661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten else if (!(this->mExposedMask & mask)) 11761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_FEATURE_UNSUPPORTED; 11861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten else { 11961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // FIXME Should note that interface has been gotten, 12061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // so as to detect use of ill-gotten interfaces; be sure 12161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // to change the lock to exclusive if that is done 12261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten interface = (char *) this + class__->mInterfaces[index].mOffset; 12361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten result = SL_RESULT_SUCCESS; 12461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 12561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_shared(this); 12661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 12761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 12861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *(void **)pInterface = interface; 12961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 13061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 13161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 13261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IObject_RegisterCallback(SLObjectItf self, 13361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten slObjectCallback callback, void *pContext) 13461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 13561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 13661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 13761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mCallback = callback; 13861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mContext = pContext; 13961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 14061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 14161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 14261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 14361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic void IObject_AbortAsyncOperation(SLObjectItf self) 14461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 14561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // FIXME Asynchronous operations are not yet implemented 14661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 14761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 14861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic void IObject_Destroy(SLObjectItf self) 14961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 150ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME Check for dependencies, e.g. destroying an output mix with attached players, 151ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // destroying an engine with extant objects, etc. 1523a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kasten // FIXME The abort should be atomic w.r.t. destroy, so another async can't be started in window 153ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME Destroy may need to be made asynchronous to permit safe cleanup of resources 154ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME For asynchronous, mark operation pending to prevent duplication 15561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_AbortAsyncOperation(self); 15661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 15761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const ClassTable *class__ = this->mClass; 15861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten VoidHook destroy = class__->mDestroy; 15961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const struct iid_vtable *x = class__->mInterfaces; 160ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // const, no lock needed 161ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten IEngine *thisEngine = this->mEngine; 162ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten unsigned i = this->mInstanceID; 163ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten assert(0 < i && i <= INSTANCE_MAX); 164ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten --i; 165ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // remove object from exposure to sync thread 166ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten interface_lock_exclusive(thisEngine); 167ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten assert(0 < thisEngine->mInstanceCount); 168ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten --thisEngine->mInstanceCount; 169ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten assert(0 != thisEngine->mInstanceMask); 170ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten thisEngine->mInstanceMask &= ~(1 << i); 171ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten assert(thisEngine->mInstances[i] == this); 172ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten thisEngine->mInstances[i] = NULL; 173ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten interface_unlock_exclusive(thisEngine); 17461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 17561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // Call the deinitializer for each currently exposed interface, 17661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // whether it is implicit, explicit, optional, or dynamically added. 17761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten unsigned exposedMask = this->mExposedMask; 17861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten for ( ; exposedMask; exposedMask >>= 1, ++x) { 17961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (exposedMask & 1) { 18061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten VoidHook deinit = MPH_init_table[x->mMPH].mDeinit; 18161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL != deinit) 18261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten (*deinit)((char *) this + x->mOffset); 18361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 18461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 18561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL != destroy) 18661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten (*destroy)(this); 18761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // redundant: this->mState = SL_OBJECT_STATE_UNREALIZED; 18861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 18961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#ifndef NDEBUG 19061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten memset(this, 0x55, class__->mSize); 19161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten#endif 19261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten free(this); 19361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 19461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 1953a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IObject_SetPriority(SLObjectItf self, SLint32 priority, SLboolean preemptable) 19661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 19761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 19861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 19961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mPriority = priority; 20061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mPreemptable = preemptable; 20161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 20261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 20361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 20461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 2053a413f1863daa026ed2b9fc9eac01e1341116cdbGlenn Kastenstatic SLresult IObject_GetPriority(SLObjectItf self, SLint32 *pPriority, SLboolean *pPreemptable) 20661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 20761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pPriority || NULL == pPreemptable) 20861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 20961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 21061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_shared(this); 21161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLint32 priority = this->mPriority; 21261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLboolean preemptable = this->mPreemptable; 21361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_shared(this); 21461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pPriority = priority; 21561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten *pPreemptable = preemptable; 21661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 21761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 21861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 21961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic SLresult IObject_SetLossOfControlInterfaces(SLObjectItf self, 22061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLint16 numInterfaces, SLInterfaceID *pInterfaceIDs, SLboolean enabled) 22161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 22261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (0 < numInterfaces) { 22361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLuint32 i; 22461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == pInterfaceIDs) 22561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 22661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 22761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten const ClassTable *class__ = this->mClass; 22861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten unsigned lossOfControlMask = 0; 22961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten // FIXME The cast is due to a typo in the spec 23061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten for (i = 0; i < (SLuint32) numInterfaces; ++i) { 23161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten SLInterfaceID iid = pInterfaceIDs[i]; 23261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (NULL == iid) 23361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_PARAMETER_INVALID; 23461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten int MPH, index; 23561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (0 <= (MPH = IID_to_MPH(iid)) && 23661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten (0 <= (index = class__->mMPH_to_index[MPH]))) 23761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten lossOfControlMask |= (1 << index); 23861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 23961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_lock_exclusive(this); 24061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten if (enabled) 24161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mLossOfControlMask |= lossOfControlMask; 24261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten else 24361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mLossOfControlMask &= ~lossOfControlMask; 24461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten object_unlock_exclusive(this); 24561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten } 24661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten return SL_RESULT_SUCCESS; 24761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 24861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 24961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenstatic const struct SLObjectItf_ IObject_Itf = { 25061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_Realize, 25161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_Resume, 25261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_GetState, 25361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_GetInterface, 25461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_RegisterCallback, 25561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_AbortAsyncOperation, 25661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_Destroy, 25761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_SetPriority, 25861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_GetPriority, 25961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject_SetLossOfControlInterfaces, 26061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten}; 26161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten 26261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kastenvoid IObject_init(void *self) 26361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten{ 26461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten IObject *this = (IObject *) self; 26561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mItf = &IObject_Itf; 2660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // initialized in construct: 2670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mClass 268ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // mInstanceID 2690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mExposedMask 2700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mLossOfControlMask 271ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // mEngine 27261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mState = SL_OBJECT_STATE_UNREALIZED; 27361ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mCallback = NULL; 27461ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mContext = NULL; 27561ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mPriority = 0; 27661ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten this->mPreemptable = SL_BOOLEAN_FALSE; 27761ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten int ok; 27861ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten ok = pthread_mutex_init(&this->mMutex, (const pthread_mutexattr_t *) NULL); 27961ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten assert(0 == ok); 28061ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten ok = pthread_cond_init(&this->mCond, (const pthread_condattr_t *) NULL); 28161ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten assert(0 == ok); 28261ac0ade16f84d877dfd8d0e984eb203d4a2901dGlenn Kasten} 283