IEngine.c revision ccdf07b17f23b4c040dd3f62478d0965eba804e3
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 this->mDeviceID = deviceID; 370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = &this->mObject.mItf; 380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 41daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kastenstatic SLresult IEngine_CreateVibraDevice(SLEngineItf self, SLObjectItf *pDevice, SLuint32 deviceID, 42daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pDevice || SL_DEFAULTDEVICEID_VIBRA != deviceID) 450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = NULL; 470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 48979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCVibraDevice_class = objectIDtoClass(SL_OBJECTID_VIBRADEVICE); 49979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCVibraDevice_class, numInterfaces, 500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 53daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CVibraDevice *this = (CVibraDevice *) construct(pCVibraDevice_class, exposedMask, self); 540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mDeviceID = deviceID; 570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pDevice = &this->mObject.mItf; 580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 610b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateAudioPlayer(SLEngineItf self, SLObjectItf *pPlayer, 620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 630b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten fprintf(stderr, "entering IEngine_CreateAudioPlayer()\n"); 660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pPlayer) 680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = NULL; 700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 71979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCAudioPlayer_class = objectIDtoClass(SL_OBJECTID_AUDIOPLAYER); 72979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCAudioPlayer_class, numInterfaces, 730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 76daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 77acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // Construct our new AudioPlayer instance 78acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten CAudioPlayer *this = (CAudioPlayer *) construct(pCAudioPlayer_class, exposedMask, self); 79acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (NULL == this) { 80acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 81acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten } 82acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 83daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // Check the source and sink parameters against generic constraints, 84daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // and make a local copy of all parameters in case other application threads 85daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // change memory concurrently. 86daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 87acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSource(pAudioSrc, &this->mDataSource); 88daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 89acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 90daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 91acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = checkDataSink(pAudioSnk, &this->mDataSink); 92acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) 93acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 94daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 95acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten fprintf(stderr, "\t after checkDataSource()/Sink()\n"); 96daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 970b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // check the audio source and sink parameters against platform support 98daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_ANDROID 100acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = sles_to_android_checkAudioPlayerSourceSink(this); 101daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 102acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1030b167267bda99b68346045ccab14e810121d5de4Glenn Kasten fprintf(stderr, "\t after sles_to_android_checkAudioPlayerSourceSink()\n"); 1040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 105acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 1060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_SNDFILE 107acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SndFile_checkAudioPlayerSourceSink(this); 108daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 109acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 1110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 1120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_OUTPUTMIXEXT 113acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = IOutputMixExt_checkAudioPlayerSourceSink(this); 114daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 115acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 116daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten#endif 1170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 118daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // Allocate memory for buffer queue 119acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //if (0 != this->mBufferQueue.mNumBuffers) { 1200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // inline allocation of circular mArray, up to a typical max 121acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (BUFFER_HEADER_TYPICAL >= this->mBufferQueue.mNumBuffers) { 1220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mArray = this->mBufferQueue.mTypical; 1230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } else { 1240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // FIXME integer overflow possible during multiplication 1250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mArray = (struct BufferHeader *) 126acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten malloc((this->mBufferQueue.mNumBuffers + 1) * sizeof(struct BufferHeader)); 1270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this->mBufferQueue.mArray) { 128acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SL_RESULT_MEMORY_FAILURE; 129acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mFront = this->mBufferQueue.mArray; 1330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mRear = this->mBufferQueue.mArray; 134acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //} 1350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 136acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // used to store the data source of our audio player 137acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten this->mDynamicSource.mDataSource = &this->mDataSource.u.mSource; 138daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 139daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // platform-specific initialization 140daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_ANDROID 142acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten sles_to_android_audioPlayerCreate(this); 1430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 144daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new audio player object 1460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 1470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 148acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 149acd88797a1d3b8225bab888d29036e245f275be5Glenn Kastenabort: 150ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten (*this->mObject.mItf->Destroy)(&this->mObject.mItf); 151acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return result; 1520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 1530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 154ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenstatic SLresult IEngine_CreateAudioRecorder(SLEngineItf self, SLObjectItf *pRecorder, 155ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 156ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 1570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 1580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pRecorder) 1590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 1600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pRecorder = NULL; 1610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 162979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCAudioRecorder_class = objectIDtoClass(SL_OBJECTID_AUDIORECORDER); 163979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCAudioRecorder_class, numInterfaces, 1640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 1650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 1660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 167acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 168ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // Construct our new AudioRecorder instance 169ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten CAudioRecorder *this = (CAudioRecorder *) construct(pCAudioRecorder_class, exposedMask, self); 170ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten if (NULL == this) 171ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 172ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 173ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // Check the source and sink parameters, and make a local copy of all parameters. 174ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 175ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten result = checkDataSource(pAudioSrc, &this->mDataSource); 176acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) 177ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten goto abort; 178acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 179ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten result = checkDataSink(pAudioSnk, &this->mDataSink); 180ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten if (SL_RESULT_SUCCESS != result) 181ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten goto abort; 182ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 183ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME This section is not yet fully implemented 184acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 185ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // return the new audio recorder object 186ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten *pRecorder = &this->mObject.mItf; 1870b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 188ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 189ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenabort: 190ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten (*this->mObject.mItf->Destroy)(&this->mObject.mItf); 191ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten return result; 1920b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 1930b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 1940b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateMidiPlayer(SLEngineItf self, SLObjectItf *pPlayer, 1950b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSource *pMIDISrc, SLDataSource *pBankSrc, SLDataSink *pAudioOutput, 1960b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSink *pVibra, SLDataSink *pLEDArray, SLuint32 numInterfaces, 1970b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 1980b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 1990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pPlayer) 2000b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2010b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = NULL; 2020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 203979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMidiPlayer_class = objectIDtoClass(SL_OBJECTID_MIDIPLAYER); 204979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMidiPlayer_class, numInterfaces, 2050b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMIDISrc || NULL == pAudioOutput) 2090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 210daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CMidiPlayer *this = (CMidiPlayer *) construct(pCMidiPlayer_class, exposedMask, self); 2110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new MIDI player object 2140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 2150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2180b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateListener(SLEngineItf self, SLObjectItf *pListener, 2190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pListener) 2230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pListener = NULL; 2250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 226979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCListener_class = objectIDtoClass(SL_OBJECTID_LISTENER); 227979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCListener_class, numInterfaces, 2280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2340b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_Create3DGroup(SLEngineItf self, SLObjectItf *pGroup, 2350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pGroup) 2390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pGroup = NULL; 2410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 242979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pC3DGroup_class = objectIDtoClass(SL_OBJECTID_3DGROUP); 243979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pC3DGroup_class, numInterfaces, 2440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2500b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateOutputMix(SLEngineItf self, SLObjectItf *pMix, 2510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMix) 2550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = NULL; 2570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 258979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCOutputMix_class = objectIDtoClass(SL_OBJECTID_OUTPUTMIX); 259979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCOutputMix_class, numInterfaces, 2600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 263daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten COutputMix *this = (COutputMix *) construct(pCOutputMix_class, exposedMask, self); 2640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = &this->mObject.mItf; 2670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2700b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateMetadataExtractor(SLEngineItf self, 2710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLObjectItf *pMetadataExtractor, SLDataSource *pDataSource, 2720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMetadataExtractor) 2760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = NULL; 2780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 279979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMetadataExtractor_class = objectIDtoClass(SL_OBJECTID_METADATAEXTRACTOR); 280979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMetadataExtractor_class, numInterfaces, 2810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2820b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten CMetadataExtractor *this = (CMetadataExtractor *) 285979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten construct(pCMetadataExtractor_class, exposedMask, self); 2860b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2870b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2880b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = &this->mObject.mItf; 2890b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2900b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2910b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2920b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateExtensionObject(SLEngineItf self, 2930b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLObjectItf *pObject, void *pParameters, SLuint32 objectID, 2940b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2950b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2960b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2970b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pObject) 2980b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pObject = NULL; 3000b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3010b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3030b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QueryNumSupportedInterfaces(SLEngineItf self, 3040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 *pNumSupportedInterfaces) 3050b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumSupportedInterfaces) 3070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumSupportedInterfaces = class__->mInterfaceCount; 3120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3150b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedInterfaces(SLEngineItf self, 3160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 index, SLInterfaceID *pInterfaceId) 3170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pInterfaceId) 3190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (index >= class__->mInterfaceCount) 3240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pInterfaceId = &SL_IID_array[class__->mInterfaces[index].mMPH]; 3260b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 329ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenstatic SLresult IEngine_QueryNumSupportedExtensions(SLEngineItf self, SLuint32 *pNumExtensions) 3300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumExtensions) 3320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumExtensions = 0; 3340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3370b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedExtension(SLEngineItf self, 3380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 index, SLchar *pExtensionName, SLint16 *pNameLength) 3390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // any index >= 0 will be >= number of supported extensions 3410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3440b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_IsExtensionSupported(SLEngineItf self, 3450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLchar *pExtensionName, SLboolean *pSupported) 3460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pExtensionName || NULL == pSupported) 3480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pSupported = SL_BOOLEAN_FALSE; 3500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3530b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic const struct SLEngineItf_ IEngine_Itf = { 3540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateLEDDevice, 3550b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateVibraDevice, 3560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioPlayer, 3570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioRecorder, 3580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMidiPlayer, 3590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateListener, 3600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_Create3DGroup, 3610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateOutputMix, 3620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMetadataExtractor, 3630b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateExtensionObject, 3640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedInterfaces, 3650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedInterfaces, 3660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedExtensions, 3670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedExtension, 3680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_IsExtensionSupported 3690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3710b167267bda99b68346045ccab14e810121d5de4Glenn Kastenvoid IEngine_init(void *self) 3720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine *this = (IEngine *) self; 3740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mItf = &IEngine_Itf; 3750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mLossOfControlGlobal is initialized in CreateEngine 376ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten this->mInstanceCount = 1; // ourself 377ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten this->mInstanceMask = 0; 3780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned i; 3790b167267bda99b68346045ccab14e810121d5de4Glenn Kasten for (i = 0; i < INSTANCE_MAX; ++i) 3800b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mInstances[i] = NULL; 3810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 382