IEngine.c revision d2a7f0d6883a6d3835642e7b282f05ed1c54fe63
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"); 10400d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten#else 10500d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten { 10600d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten // FIXME This is due to a bug where we init buffer queues in SndFile below, which is not always present 10700d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten SLuint32 locatorType = *(SLuint32 *) pAudioSrc->pLocator; 10800d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten if (locatorType == SL_DATALOCATOR_BUFFERQUEUE) 10900d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten this->mBufferQueue.mNumBuffers = ((SLDataLocator_BufferQueue *) pAudioSrc->pLocator)->numBuffers; 11000d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten } 1110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 112acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 1130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_SNDFILE 114acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SndFile_checkAudioPlayerSourceSink(this); 115daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 116acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1170b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 1180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 1190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_OUTPUTMIXEXT 120acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = IOutputMixExt_checkAudioPlayerSourceSink(this); 121daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten if (SL_RESULT_SUCCESS != result) 122acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 123daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten#endif 1240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 125daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // Allocate memory for buffer queue 126acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //if (0 != this->mBufferQueue.mNumBuffers) { 1270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // inline allocation of circular mArray, up to a typical max 128acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (BUFFER_HEADER_TYPICAL >= this->mBufferQueue.mNumBuffers) { 1290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mArray = this->mBufferQueue.mTypical; 1300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } else { 1310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // FIXME integer overflow possible during multiplication 132d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten this->mBufferQueue.mArray = (BufferHeader *) 133d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten malloc((this->mBufferQueue.mNumBuffers + 1) * sizeof(BufferHeader)); 1340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this->mBufferQueue.mArray) { 135acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten result = SL_RESULT_MEMORY_FAILURE; 136acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten goto abort; 1370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten } 1390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mFront = this->mBufferQueue.mArray; 1400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mBufferQueue.mRear = this->mBufferQueue.mArray; 141acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten //} 1420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 143acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten // used to store the data source of our audio player 144acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten this->mDynamicSource.mDataSource = &this->mDataSource.u.mSource; 145daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 146daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten // platform-specific initialization 147daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#ifdef USE_ANDROID 149acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten sles_to_android_audioPlayerCreate(this); 1500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten#endif 151daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten 1520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new audio player object 1530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 1540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 155acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 156acd88797a1d3b8225bab888d29036e245f275be5Glenn Kastenabort: 157ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten (*this->mObject.mItf->Destroy)(&this->mObject.mItf); 158acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten return result; 1590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 1600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 161ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenstatic SLresult IEngine_CreateAudioRecorder(SLEngineItf self, SLObjectItf *pRecorder, 162ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten SLDataSource *pAudioSrc, SLDataSink *pAudioSnk, SLuint32 numInterfaces, 163ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 1640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 1650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pRecorder) 1660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 1670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pRecorder = NULL; 1680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 169979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCAudioRecorder_class = objectIDtoClass(SL_OBJECTID_AUDIORECORDER); 170979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCAudioRecorder_class, numInterfaces, 1710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 1720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 1730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 174acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 175ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // Construct our new AudioRecorder instance 176ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten CAudioRecorder *this = (CAudioRecorder *) construct(pCAudioRecorder_class, exposedMask, self); 177ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten if (NULL == this) 178ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 179ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 180ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // Check the source and sink parameters, and make a local copy of all parameters. 181ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 182ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten result = checkDataSource(pAudioSrc, &this->mDataSource); 183acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten if (SL_RESULT_SUCCESS != result) 184ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten goto abort; 185acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 186ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten result = checkDataSink(pAudioSnk, &this->mDataSink); 187ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten if (SL_RESULT_SUCCESS != result) 188ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten goto abort; 189ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 190ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // FIXME This section is not yet fully implemented 191acd88797a1d3b8225bab888d29036e245f275be5Glenn Kasten 192ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten // return the new audio recorder object 193ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten *pRecorder = &this->mObject.mItf; 1940b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 195ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten 196ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenabort: 197ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten (*this->mObject.mItf->Destroy)(&this->mObject.mItf); 198ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten return result; 1990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2000b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2010b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateMidiPlayer(SLEngineItf self, SLObjectItf *pPlayer, 2020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSource *pMIDISrc, SLDataSource *pBankSrc, SLDataSink *pAudioOutput, 2030b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLDataSink *pVibra, SLDataSink *pLEDArray, SLuint32 numInterfaces, 2040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2050b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pPlayer) 2070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = NULL; 2090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 210979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMidiPlayer_class = objectIDtoClass(SL_OBJECTID_MIDIPLAYER); 211979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMidiPlayer_class, numInterfaces, 2120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMIDISrc || NULL == pAudioOutput) 2160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 217daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten CMidiPlayer *this = (CMidiPlayer *) construct(pCMidiPlayer_class, exposedMask, self); 2180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // return the new MIDI player object 2210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pPlayer = &this->mObject.mItf; 2220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 2250b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_CreateListener(SLEngineItf self, SLObjectItf *pListener, 226d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pListener) 2290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pListener = NULL; 2310b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 232979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCListener_class = objectIDtoClass(SL_OBJECTID_LISTENER); 233979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCListener_class, numInterfaces, 2340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2390b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 240d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IEngine_Create3DGroup(SLEngineItf self, SLObjectItf *pGroup, SLuint32 numInterfaces, 241d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pGroup) 2440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pGroup = NULL; 2460b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 247979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pC3DGroup_class = objectIDtoClass(SL_OBJECTID_3DGROUP); 248979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pC3DGroup_class, numInterfaces, 2490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 2530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 25500d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kastenstatic SLresult IEngine_CreateOutputMix(SLEngineItf self, SLObjectItf *pMix, SLuint32 numInterfaces, 25600d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMix) 2590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = NULL; 2610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 262979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCOutputMix_class = objectIDtoClass(SL_OBJECTID_OUTPUTMIX); 263979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCOutputMix_class, numInterfaces, 2640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 267daf661248ff6ea2e21799e5114c78b7c1d49630eGlenn Kasten COutputMix *this = (COutputMix *) construct(pCOutputMix_class, exposedMask, self); 2680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMix = &this->mObject.mItf; 2710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2730b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 274d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IEngine_CreateMetadataExtractor(SLEngineItf self, SLObjectItf *pMetadataExtractor, 275d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten SLDataSource *pDataSource, SLuint32 numInterfaces, const SLInterfaceID *pInterfaceIds, 2760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLboolean *pInterfaceRequired) 2770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2780b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pMetadataExtractor) 2790b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 2800b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = NULL; 2810b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned exposedMask; 282979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten const ClassTable *pCMetadataExtractor_class = objectIDtoClass(SL_OBJECTID_METADATAEXTRACTOR); 283979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten SLresult result = checkInterfaces(pCMetadataExtractor_class, numInterfaces, 2840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten pInterfaceIds, pInterfaceRequired, &exposedMask); 2850b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (SL_RESULT_SUCCESS != result) 2860b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return result; 2870b167267bda99b68346045ccab14e810121d5de4Glenn Kasten CMetadataExtractor *this = (CMetadataExtractor *) 288979a3f8743646af9999a89dff9e13b972b7efd87Glenn Kasten construct(pCMetadataExtractor_class, exposedMask, self); 2890b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == this) 2900b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_MEMORY_FAILURE; 2910b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pMetadataExtractor = &this->mObject.mItf; 2920b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 2930b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 2940b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 295d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kastenstatic SLresult IEngine_CreateExtensionObject(SLEngineItf self, SLObjectItf *pObject, 296d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten void *pParameters, SLuint32 objectID, SLuint32 numInterfaces, 297d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten const SLInterfaceID *pInterfaceIds, const SLboolean *pInterfaceRequired) 2980b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 2990b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pObject) 3000b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3010b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pObject = NULL; 3020b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3030b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3040b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3050b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QueryNumSupportedInterfaces(SLEngineItf self, 3060b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 *pNumSupportedInterfaces) 3070b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3080b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumSupportedInterfaces) 3090b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3100b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3110b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3120b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3130b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumSupportedInterfaces = class__->mInterfaceCount; 3140b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3150b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3160b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3170b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedInterfaces(SLEngineItf self, 3180b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 objectID, SLuint32 index, SLInterfaceID *pInterfaceId) 3190b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3200b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pInterfaceId) 3210b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3220b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const ClassTable *class__ = objectIDtoClass(objectID); 3230b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == class__) 3240b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_FEATURE_UNSUPPORTED; 3250b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (index >= class__->mInterfaceCount) 3260b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3270b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pInterfaceId = &SL_IID_array[class__->mInterfaces[index].mMPH]; 3280b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3290b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3300b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 331ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kastenstatic SLresult IEngine_QueryNumSupportedExtensions(SLEngineItf self, SLuint32 *pNumExtensions) 3320b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3330b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pNumExtensions) 3340b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3350b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pNumExtensions = 0; 3360b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3370b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3380b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3390b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_QuerySupportedExtension(SLEngineItf self, 3400b167267bda99b68346045ccab14e810121d5de4Glenn Kasten SLuint32 index, SLchar *pExtensionName, SLint16 *pNameLength) 3410b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3420b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // any index >= 0 will be >= number of supported extensions 3430b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3440b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3450b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3460b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic SLresult IEngine_IsExtensionSupported(SLEngineItf self, 3470b167267bda99b68346045ccab14e810121d5de4Glenn Kasten const SLchar *pExtensionName, SLboolean *pSupported) 3480b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3490b167267bda99b68346045ccab14e810121d5de4Glenn Kasten if (NULL == pExtensionName || NULL == pSupported) 3500b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_PARAMETER_INVALID; 3510b167267bda99b68346045ccab14e810121d5de4Glenn Kasten *pSupported = SL_BOOLEAN_FALSE; 3520b167267bda99b68346045ccab14e810121d5de4Glenn Kasten return SL_RESULT_SUCCESS; 3530b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 3540b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3550b167267bda99b68346045ccab14e810121d5de4Glenn Kastenstatic const struct SLEngineItf_ IEngine_Itf = { 3560b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateLEDDevice, 3570b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateVibraDevice, 3580b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioPlayer, 3590b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateAudioRecorder, 3600b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMidiPlayer, 3610b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateListener, 3620b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_Create3DGroup, 3630b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateOutputMix, 3640b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateMetadataExtractor, 3650b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_CreateExtensionObject, 3660b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedInterfaces, 3670b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedInterfaces, 3680b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QueryNumSupportedExtensions, 3690b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_QuerySupportedExtension, 3700b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine_IsExtensionSupported 3710b167267bda99b68346045ccab14e810121d5de4Glenn Kasten}; 3720b167267bda99b68346045ccab14e810121d5de4Glenn Kasten 3730b167267bda99b68346045ccab14e810121d5de4Glenn Kastenvoid IEngine_init(void *self) 3740b167267bda99b68346045ccab14e810121d5de4Glenn Kasten{ 3750b167267bda99b68346045ccab14e810121d5de4Glenn Kasten IEngine *this = (IEngine *) self; 3760b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mItf = &IEngine_Itf; 3770b167267bda99b68346045ccab14e810121d5de4Glenn Kasten // mLossOfControlGlobal is initialized in CreateEngine 37800d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten#ifdef USE_SDL 37900d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten this->mOutputMix = NULL; 38000d2d554e04ac369367c903dbf53b975355d1bcdGlenn Kasten#endif 381ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten this->mInstanceCount = 1; // ourself 382ccdf07b17f23b4c040dd3f62478d0965eba804e3Glenn Kasten this->mInstanceMask = 0; 3830b167267bda99b68346045ccab14e810121d5de4Glenn Kasten unsigned i; 3840b167267bda99b68346045ccab14e810121d5de4Glenn Kasten for (i = 0; i < INSTANCE_MAX; ++i) 3850b167267bda99b68346045ccab14e810121d5de4Glenn Kasten this->mInstances[i] = NULL; 386d2a7f0d6883a6d3835642e7b282f05ed1c54fe63Glenn Kasten this->mShutdown = SL_BOOLEAN_FALSE; 3870b167267bda99b68346045ccab14e810121d5de4Glenn Kasten} 388