IEngine.c revision acd88797a1d3b8225bab888d29036e245f275be5
10b167267bda99b68346045ccab14e810121d5de4Glenn Kasten/* 20b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * Copyright (C) 2010 The Android Open Source Project 30b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * 40b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * Licensed under the Apache License, Version 2.0 (the "License"); 50b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * you may not use this file except in compliance with the License. 60b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * You may obtain a copy of the License at 70b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * 80b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * http://www.apache.org/licenses/LICENSE-2.0 90b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * 100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * Unless required by applicable law or agreed to in writing, software 110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * distributed under the License is distributed on an "AS IS" BASIS, 120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * See the License for the specific language governing permissions and 140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten * limitations under the License. 150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten */ 160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten/* Engine implementation */ 180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 19979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten#include "sles_allinclusive.h" 20979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten 21daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kastenstatic SLresult IEngine_CreateLEDDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 22daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pDevice || SL_DEFAULTDEVICEID_LED != deviceID) 250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 260b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = NULL; 270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 28979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCLEDDevice_class = objectIDtoClass(SL_OBJECTID_LEDDEVICE); 29979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCLEDDevice_class, numInterfaces, 300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 33daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CLEDDevice *this = (CLEDDevice *) construct(pCLEDDevice_class, exposedMask, self); 340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLHSL *color = (SLHSL *) malloc(sizeof(SLHSL) * this->mLEDArray.mCount); 370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten assert(NULL != this->mLEDArray.mColor); 380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mLEDArray.mColor = color; 390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned i; 400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten for (i = 0; i < this->mLEDArray.mCount; ++i) { 410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // per specification 1.0.1 pg. 259: "Default color is undefined." 420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten color->hue = 0; 430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten color->saturation = 1000; 440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten color->lightness = 1000; 450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mDeviceID = deviceID; 470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = &this->mObject.mItf; 480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 51daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kastenstatic SLresult IEngine_CreateVibraDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 52daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pDevice || SL_DEFAULTDEVICEID_VIBRA != deviceID) 550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = NULL; 570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 58979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCVibraDevice_class = objectIDtoClass(SL_OBJECTID_VIBRADEVICE); 59979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCVibraDevice_class, numInterfaces, 600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 63daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CVibraDevice *this = (CVibraDevice *) construct(pCVibraDevice_class, exposedMask, self); 640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mDeviceID = deviceID; 670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = &this->mObject.mItf; 680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 710b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateAudioPlayer(SLEngineItf self, SLObjectItf *pPlayer, 720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten fprintf(stderr, "entering IEngine_CreateAudioPlayer()\n"); 760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pPlayer) 780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 790b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = NULL; 800b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 81979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCAudioPlayer_class = objectIDtoClass(SL_OBJECTID_AUDIOPLAYER); 82979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCAudioPlayer_class, numInterfaces, 830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 850b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 86daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 87acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // Construct our new AudioPlayer instance 88acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten CAudioPlayer *this = (CAudioPlayer *) construct(pCAudioPlayer_class, exposedMask, self); 89acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (NULL == this) { 90acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 91acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten } 92acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 93daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // Check the source and sink parameters against generic constraints, 94daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // and make a local copy of all parameters in case other application threads 95daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // change memory concurrently. 96daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 97acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSource(pAudioSrc, &this->mDataSource); 98daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 99acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 100daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 101acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSink(pAudioSnk, &this->mDataSink); 102acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) 103acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 104daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 105acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten fprintf(stderr, "\t after checkDataSource()/Sink()\n"); 106daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // check the audio source and sink parameters against platform support 108daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_ANDROID 110acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = sles_to_android_checkAudioPlayerSourceSink(this); 111daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 112acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten fprintf(stderr, "\t after sles_to_android_checkAudioPlayerSourceSink()\n"); 1140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 115acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 1160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_SNDFILE 117acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SndFile_checkAudioPlayerSourceSink(this); 118daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 119acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 1210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 1220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_OUTPUTMIXEXT 123acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = IOutputMixExt_checkAudioPlayerSourceSink(this); 124daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 125acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 126daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten#endif 1270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 128daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // Allocate memory for buffer queue 129acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //if (0 != this->mBufferQueue.mNumBuffers) { 1300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // inline allocation of circular mArray, up to a typical max 131acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (BUFFER_HEADER_TYPICAL >= this->mBufferQueue.mNumBuffers) { 1320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mArray = this->mBufferQueue.mTypical; 1330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } else { 1340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // FIXME integer overflow possible during multiplication 1350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mArray = (struct BufferHeader *) 136acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten malloc((this->mBufferQueue.mNumBuffers + 1) * sizeof(struct BufferHeader)); 1370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this->mBufferQueue.mArray) { 138acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SL_RESULT_MEMORY_FAILURE; 139acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mFront = this->mBufferQueue.mArray; 1430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mRear = this->mBufferQueue.mArray; 144acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //} 1450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 146acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // used to store the data source of our audio player 147acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten this->mDynamicSource.mDataSource = &this->mDataSource.u.mSource; 148daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 149daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // platform-specific initialization 150daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_ANDROID 152acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten sles_to_android_audioPlayerCreate(this); 1530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 154daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new audio player object 1560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 1570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 158acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 159acd88797a1d3b8225bab888d29036e245f275be5Glenn Kastenabort: 160acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten freeDataLocatorFormat(&this->mDataSource); 161acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten freeDataLocatorFormat(&this->mDataSink); 162acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if ((NULL != this->mBufferQueue.mArray) && 163acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten (this->mBufferQueue.mTypical != this->mBufferQueue.mArray)) { 164acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten free(this->mBufferQueue.mArray); 165acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten } 166acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten free(this); 167acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return result; 1680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 1690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 1700b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateAudioRecorder(SLEngineItf self, 1710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLObjectItf *pRecorder, SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, 1720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 1730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 1740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 1750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pRecorder) 1760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 1770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pRecorder = NULL; 1780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 179979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCAudioRecorder_class = objectIDtoClass(SL_OBJECTID_AUDIORECORDER); 180979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCAudioRecorder_class, numInterfaces, 1810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 1820b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 1830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 184acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 185acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // DataSource checks 186acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten DataLocatorFormat myDataSource; 187acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSource(pAudioSrc, &myDataSource); 188acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) 189acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return result; 190acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 191acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // DataSink checks 192acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten DataLocatorFormat myDataSink; 193acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSink(pAudioSnk, &myDataSink); 194acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) { 195acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten freeDataLocatorFormat(&myDataSink); 196acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return result; 197acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten } 198acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 1990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2000b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2010b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2020b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateMidiPlayer(SLEngineItf self, SLObjectItf *pPlayer, 2030b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSource *pMIDISrc, SLDataSource *pBankSrc, SLDataSink *pAudioOutput, 2040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSink *pVibra, SLDataSink *pLEDArray, SLuint32 numInterfaces, 2050b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pPlayer) 2080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = NULL; 2100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 211979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMidiPlayer_class = objectIDtoClass(SL_OBJECTID_MIDIPLAYER); 212979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMidiPlayer_class, numInterfaces, 2130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMIDISrc || NULL == pAudioOutput) 2170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 218daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CMidiPlayer *this = (CMidiPlayer *) construct(pCMidiPlayer_class, exposedMask, self); 2190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new MIDI player object 2220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 2230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2260b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateListener(SLEngineItf self, SLObjectItf *pListener, 2270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pListener) 2310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pListener = NULL; 2330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 234979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCListener_class = objectIDtoClass(SL_OBJECTID_LISTENER); 235979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCListener_class, numInterfaces, 2360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2420b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_Create3DGroup(SLEngineItf self, SLObjectItf *pGroup, 2430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pGroup) 2470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pGroup = NULL; 2490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 250979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pC3DGroup_class = objectIDtoClass(SL_OBJECTID_3DGROUP); 251979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pC3DGroup_class, numInterfaces, 2520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2580b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateOutputMix(SLEngineItf self, SLObjectItf *pMix, 2590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMix) 2630b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = NULL; 2650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 266979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCOutputMix_class = objectIDtoClass(SL_OBJECTID_OUTPUTMIX); 267979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCOutputMix_class, numInterfaces, 2680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 271daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten COutputMix *this = (COutputMix *) construct(pCOutputMix_class, exposedMask, self); 2720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = &this->mObject.mItf; 2750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2780b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateMetadataExtractor(SLEngineItf self, 2790b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLObjectItf *pMetadataExtractor, SLDataSource *pDataSource, 2800b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2820b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMetadataExtractor) 2840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2850b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = NULL; 2860b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 287979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMetadataExtractor_class = objectIDtoClass(SL_OBJECTID_METADATAEXTRACTOR); 288979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMetadataExtractor_class, numInterfaces, 2890b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2900b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2910b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2920b167267bda99b68346045ccab14e810121d5de4Glenn Kasten CMetadataExtractor *this = (CMetadataExtractor *) 293979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten construct(pCMetadataExtractor_class, exposedMask, self); 2940b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2950b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2960b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = &this->mObject.mItf; 2970b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2980b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3000b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateExtensionObject(SLEngineItf self, 3010b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLObjectItf *pObject, void *pParameters, SLuint32 objectID, 3020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 3030b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 3040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3050b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pObject) 3060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pObject = NULL; 3080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3110b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QueryNumSupportedInterfaces(SLEngineItf self, 3120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 *pNumSupportedInterfaces) 3130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumSupportedInterfaces) 3150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumSupportedInterfaces = class__->mInterfaceCount; 3200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3230b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedInterfaces(SLEngineItf self, 3240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 index, SLInterfaceID *pInterfaceId) 3250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3260b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pInterfaceId) 3270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (index >= class__->mInterfaceCount) 3320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pInterfaceId = &SL_IID_array[class__->mInterfaces[index].mMPH]; 3340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3370b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QueryNumSupportedExtensions(SLEngineItf self, 3380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 *pNumExtensions) 3390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumExtensions) 3410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumExtensions = 0; 3430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3460b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedExtension(SLEngineItf self, 3470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 index, SLchar *pExtensionName, SLint16 *pNameLength) 3480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // any index >= 0 will be >= number of supported extensions 3500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3530b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_IsExtensionSupported(SLEngineItf self, 3540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLchar *pExtensionName, SLboolean *pSupported) 3550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pExtensionName || NULL == pSupported) 3570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pSupported = SL_BOOLEAN_FALSE; 3590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3620b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic const struct SLEngineItf_ IEngine_Itf = { 3630b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateLEDDevice, 3640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateVibraDevice, 3650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioPlayer, 3660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioRecorder, 3670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMidiPlayer, 3680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateListener, 3690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_Create3DGroup, 3700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateOutputMix, 3710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMetadataExtractor, 3720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateExtensionObject, 3730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedInterfaces, 3740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedInterfaces, 3750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedExtensions, 3760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedExtension, 3770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_IsExtensionSupported 3780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3790b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3800b167267bda99b68346045ccab14e810121d5de4Glenn Kastenvoid IEngine_init(void *self) 3810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3820b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine *this = (IEngine *) self; 3830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mItf = &IEngine_Itf; 3840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mLossOfControlGlobal is initialized in CreateEngine 3850b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mInstanceCount = 0; 3860b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned i; 3870b167267bda99b68346045ccab14e810121d5de4Glenn Kasten for (i = 0; i < INSTANCE_MAX; ++i) 3880b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mInstances[i] = NULL; 3890b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 390