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https://github.com/FWGS/xash3d-fwgs
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engine: android: restore OpenSL ES audio
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309
engine/platform/android/snd_opensles.c
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309
engine/platform/android/snd_opensles.c
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/*
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Copyright (C) 2015 SiPlus, Chasseur de bots
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common.h"
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#if XASH_SOUND == SOUND_OPENSLES
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#include <SLES/OpenSLES.h>
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#include "pthread.h"
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#include "sound.h"
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extern convar_t *s_primary;
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extern dma_t dma;
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static SLObjectItf snddma_android_engine = NULL;
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static SLObjectItf snddma_android_outputMix = NULL;
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static SLObjectItf snddma_android_player = NULL;
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static SLBufferQueueItf snddma_android_bufferQueue;
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static SLPlayItf snddma_android_play;
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static pthread_mutex_t snddma_android_mutex = PTHREAD_MUTEX_INITIALIZER;
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static int snddma_android_pos;
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static int snddma_android_size;
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static const SLInterfaceID *pSL_IID_ENGINE;
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static const SLInterfaceID *pSL_IID_BUFFERQUEUE;
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static const SLInterfaceID *pSL_IID_PLAY;
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static SLresult SLAPIENTRY (*pslCreateEngine)(
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SLObjectItf *pEngine,
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SLuint32 numOptions,
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const SLEngineOption *pEngineOptions,
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SLuint32 numInterfaces,
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const SLInterfaceID *pInterfaceIds,
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const SLboolean * pInterfaceRequired
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);
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void S_Activate( qboolean active )
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{
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if( !dma.initialized )
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return;
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if( active )
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{
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memset( dma.buffer, 0, snddma_android_size * 2 );
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(*snddma_android_bufferQueue)->Enqueue( snddma_android_bufferQueue, dma.buffer, snddma_android_size );
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(*snddma_android_play)->SetPlayState( snddma_android_play, SL_PLAYSTATE_PLAYING );
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}
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else
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{
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//if( s_globalfocus->integer )
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//return;
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(*snddma_android_play)->SetPlayState( snddma_android_play, SL_PLAYSTATE_STOPPED );
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(*snddma_android_bufferQueue)->Clear( snddma_android_bufferQueue );
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}
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}
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static void SNDDMA_Android_Callback( SLBufferQueueItf bq, void *context )
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{
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uint8_t *buffer2;
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pthread_mutex_lock( &snddma_android_mutex );
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buffer2 = ( uint8_t * )dma.buffer + snddma_android_size;
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(*bq)->Enqueue( bq, buffer2, snddma_android_size );
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memcpy( buffer2, dma.buffer, snddma_android_size );
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memset( dma.buffer, 0, snddma_android_size );
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snddma_android_pos += dma.samples;
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pthread_mutex_unlock( &snddma_android_mutex );
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}
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static const char *SNDDMA_Android_Init( void )
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{
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SLresult result;
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SLEngineItf engine;
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int freq;
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SLDataLocator_BufferQueue sourceLocator;
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SLDataFormat_PCM sourceFormat;
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SLDataSource source;
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SLDataLocator_OutputMix sinkLocator;
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SLDataSink sink;
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SLInterfaceID interfaceID;
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SLboolean interfaceRequired;
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int samples;
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void *handle = dlopen( "libOpenSLES.so", RTLD_LAZY );
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if( !handle )
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return "dlopen for libOpenSLES.so";
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pslCreateEngine = dlsym( handle, "slCreateEngine" );
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if( !pslCreateEngine )
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return "resolve slCreateEngine";
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pSL_IID_ENGINE = dlsym( handle, "SL_IID_ENGINE" );
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if( !pSL_IID_ENGINE )
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return "resolve SL_IID_ENGINE";
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pSL_IID_PLAY = dlsym( handle, "SL_IID_PLAY" );
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if( !pSL_IID_PLAY )
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return "resolve SL_IID_PLAY";
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pSL_IID_BUFFERQUEUE = dlsym( handle, "SL_IID_BUFFERQUEUE" );
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if( !pSL_IID_BUFFERQUEUE )
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return "resolve SL_IID_BUFFERQUEUE";
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result = pslCreateEngine( &snddma_android_engine, 0, NULL, 0, NULL, NULL );
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if( result != SL_RESULT_SUCCESS ) return "slCreateEngine";
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result = (*snddma_android_engine)->Realize( snddma_android_engine, SL_BOOLEAN_FALSE );
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if( result != SL_RESULT_SUCCESS ) return "engine->Realize";
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result = (*snddma_android_engine)->GetInterface( snddma_android_engine, *pSL_IID_ENGINE, &engine );
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if( result != SL_RESULT_SUCCESS ) return "engine->GetInterface(ENGINE)";
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result = (*engine)->CreateOutputMix( engine, &snddma_android_outputMix, 0, NULL, NULL );
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if( result != SL_RESULT_SUCCESS ) return "engine->CreateOutputMix";
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result = (*snddma_android_outputMix)->Realize( snddma_android_outputMix, SL_BOOLEAN_FALSE );
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if( result != SL_RESULT_SUCCESS ) return "outputMix->Realize";
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freq = SOUND_DMA_SPEED;
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sourceLocator.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
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sourceLocator.numBuffers = 2;
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sourceFormat.formatType = SL_DATAFORMAT_PCM;
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sourceFormat.numChannels = 2; // always stereo, because engine supports only stereo
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sourceFormat.samplesPerSec = freq * 1000;
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sourceFormat.bitsPerSample = 16; // always 16 bit audio
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sourceFormat.containerSize = sourceFormat.bitsPerSample;
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sourceFormat.channelMask = SL_SPEAKER_FRONT_LEFT|SL_SPEAKER_FRONT_RIGHT;
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sourceFormat.endianness = SL_BYTEORDER_LITTLEENDIAN;
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source.pLocator = &sourceLocator;
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source.pFormat = &sourceFormat;
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sinkLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
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sinkLocator.outputMix = snddma_android_outputMix;
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sink.pLocator = &sinkLocator;
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sink.pFormat = NULL;
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interfaceID = *pSL_IID_BUFFERQUEUE;
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interfaceRequired = SL_BOOLEAN_TRUE;
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result = (*engine)->CreateAudioPlayer( engine, &snddma_android_player, &source, &sink, 1, &interfaceID, &interfaceRequired );
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if( result != SL_RESULT_SUCCESS ) return "engine->CreateAudioPlayer";
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result = (*snddma_android_player)->Realize( snddma_android_player, SL_BOOLEAN_FALSE );
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if( result != SL_RESULT_SUCCESS ) return "player->Realize";
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result = (*snddma_android_player)->GetInterface( snddma_android_player, *pSL_IID_BUFFERQUEUE, &snddma_android_bufferQueue );
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if( result != SL_RESULT_SUCCESS ) return "player->GetInterface(BUFFERQUEUE)";
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result = (*snddma_android_player)->GetInterface( snddma_android_player, *pSL_IID_PLAY, &snddma_android_play );
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if( result != SL_RESULT_SUCCESS ) return "player->GetInterface(PLAY)";
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result = (*snddma_android_bufferQueue)->RegisterCallback( snddma_android_bufferQueue, SNDDMA_Android_Callback, NULL );
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if( result != SL_RESULT_SUCCESS ) return "bufferQueue->RegisterCallback";
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samples = s_samplecount->value;
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if( !samples )
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samples = 4096;
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dma.format.channels = sourceFormat.numChannels;
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dma.samples = samples * sourceFormat.numChannels;
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dma.format.speed = freq;
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snddma_android_size = dma.samples * ( sourceFormat.bitsPerSample >> 3 );
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dma.buffer = Z_Malloc( snddma_android_size * 2 );
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dma.samplepos = 0;
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// dma.sampleframes = dma.samples / dma.format.channels;
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dma.format.width = 2;
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if( !dma.buffer ) return "malloc";
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//snddma_android_mutex = trap_Mutex_Create();
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snddma_android_pos = 0;
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dma.initialized = true;
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S_Activate( true );
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return NULL;
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}
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qboolean SNDDMA_Init( void *hwnd)
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{
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const char *initError;
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Msg( "OpenSL ES audio device initializing...\n" );
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initError = SNDDMA_Android_Init();
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if( initError )
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{
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Msg( S_ERROR "SNDDMA_Init: %s failed.\n", initError );
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SNDDMA_Shutdown();
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return false;
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}
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Msg( "OpenSL ES audio initialized.\n" );
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return true;
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}
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int SNDDMA_GetDMAPos( void )
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{
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return snddma_android_pos;
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}
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void SNDDMA_Shutdown( void )
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{
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Msg( "Closing OpenSL ES audio device...\n" );
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if( snddma_android_player )
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{
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(*snddma_android_player)->Destroy( snddma_android_player );
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snddma_android_player = NULL;
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}
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if( snddma_android_outputMix )
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{
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(*snddma_android_outputMix)->Destroy( snddma_android_outputMix );
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snddma_android_outputMix = NULL;
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}
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if( snddma_android_engine )
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{
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(*snddma_android_engine)->Destroy( snddma_android_engine );
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snddma_android_engine = NULL;
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}
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if( dma.buffer )
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{
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Z_Free( dma.buffer );
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dma.buffer = NULL;
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}
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//if( snddma_android_mutex )
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//trap_Mutex_Destroy( &snddma_android_mutex );
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Msg( "OpenSL ES audio device shut down.\n" );
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}
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void SNDDMA_Submit( void )
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{
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pthread_mutex_unlock( &snddma_android_mutex );
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}
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void SNDDMA_BeginPainting( void )
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{
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pthread_mutex_lock( &snddma_android_mutex );
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}
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/*
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==============
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SNDDMA_GetSoundtime
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update global soundtime
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===============
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*/
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int SNDDMA_GetSoundtime( void )
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{
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static int buffers, oldsamplepos;
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int samplepos, fullsamples;
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fullsamples = dma.samples / 2;
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// it is possible to miscount buffers
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// if it has wrapped twice between
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// calls to S_Update. Oh well.
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samplepos = SNDDMA_GetDMAPos();
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if( samplepos < oldsamplepos )
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{
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buffers++; // buffer wrapped
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if( paintedtime > 0x40000000 )
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{
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// time to chop things off to avoid 32 bit limits
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buffers = 0;
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paintedtime = fullsamples;
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S_StopAllSounds( true );
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}
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}
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oldsamplepos = samplepos;
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return (buffers * fullsamples + samplepos / 2);
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}
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void S_PrintDeviceName( void )
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{
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Msg( "Audio: OpenSL\n" );
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}
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#endif
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