engine: android: restore OpenSL ES audio

6 years ago · 621cdba53c
1 changed files with 309 additions and 0 deletions
--- a/engine/platform/android/snd_opensles.c
+++ b/engine/platform/android/snd_opensles.c
@ -0,0 +1,309 @@
				@@ -0,0 +1,309 @@
+/*
+Copyright (C) 2015 SiPlus, Chasseur de bots
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include "common.h"
+#if XASH_SOUND == SOUND_OPENSLES
+#include <SLES/OpenSLES.h>
+#include "pthread.h"
+#include "sound.h"
+
+extern convar_t		*s_primary;
+extern dma_t			dma;
+
+static SLObjectItf snddma_android_engine = NULL;
+static SLObjectItf snddma_android_outputMix = NULL;
+static SLObjectItf snddma_android_player = NULL;
+static SLBufferQueueItf snddma_android_bufferQueue;
+static SLPlayItf snddma_android_play;
+
+static pthread_mutex_t snddma_android_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+static int snddma_android_pos;
+static int snddma_android_size;
+
+static const SLInterfaceID *pSL_IID_ENGINE;
+static const SLInterfaceID *pSL_IID_BUFFERQUEUE;
+static const SLInterfaceID *pSL_IID_PLAY;
+static SLresult SLAPIENTRY (*pslCreateEngine)(
+		SLObjectItf             *pEngine,
+		SLuint32                numOptions,
+		const SLEngineOption    *pEngineOptions,
+		SLuint32                numInterfaces,
+		const SLInterfaceID     *pInterfaceIds,
+		const SLboolean         * pInterfaceRequired
+);
+
+void S_Activate( qboolean active )
+{
+	if( !dma.initialized )
+		return;
+
+	if( active )
+	{
+		memset( dma.buffer, 0, snddma_android_size * 2 );
+		(*snddma_android_bufferQueue)->Enqueue( snddma_android_bufferQueue, dma.buffer, snddma_android_size );
+		(*snddma_android_play)->SetPlayState( snddma_android_play, SL_PLAYSTATE_PLAYING );
+	}
+	else
+	{
+		//if( s_globalfocus->integer )
+			//return;
+		(*snddma_android_play)->SetPlayState( snddma_android_play, SL_PLAYSTATE_STOPPED );
+		(*snddma_android_bufferQueue)->Clear( snddma_android_bufferQueue );
+	}
+}
+
+static void SNDDMA_Android_Callback( SLBufferQueueItf bq, void *context )
+{
+	uint8_t *buffer2;
+
+	pthread_mutex_lock( &snddma_android_mutex );
+
+	buffer2 = ( uint8_t * )dma.buffer + snddma_android_size;
+	(*bq)->Enqueue( bq, buffer2, snddma_android_size );
+	memcpy( buffer2, dma.buffer, snddma_android_size );
+	memset( dma.buffer, 0, snddma_android_size );
+	snddma_android_pos += dma.samples;
+
+	pthread_mutex_unlock( &snddma_android_mutex );
+}
+
+static const char *SNDDMA_Android_Init( void )
+{
+	SLresult result;
+
+	SLEngineItf engine;
+
+	int freq;
+
+	SLDataLocator_BufferQueue sourceLocator;
+	SLDataFormat_PCM sourceFormat;
+	SLDataSource source;
+
+	SLDataLocator_OutputMix sinkLocator;
+	SLDataSink sink;
+
+	SLInterfaceID interfaceID;
+	SLboolean interfaceRequired;
+
+	int samples;
+	void *handle = dlopen( "libOpenSLES.so", RTLD_LAZY );
+
+	if( !handle )
+		return "dlopen for libOpenSLES.so";
+
+	pslCreateEngine = dlsym( handle, "slCreateEngine" );
+
+	if( !pslCreateEngine )
+		return "resolve slCreateEngine";
+
+	pSL_IID_ENGINE = dlsym( handle, "SL_IID_ENGINE" );
+
+	if( !pSL_IID_ENGINE )
+		return "resolve SL_IID_ENGINE";
+
+	pSL_IID_PLAY = dlsym( handle, "SL_IID_PLAY" );
+
+	if( !pSL_IID_PLAY )
+		return "resolve SL_IID_PLAY";
+
+	pSL_IID_BUFFERQUEUE = dlsym( handle, "SL_IID_BUFFERQUEUE" );
+
+	if( !pSL_IID_BUFFERQUEUE )
+		return "resolve SL_IID_BUFFERQUEUE";
+
+
+	result = pslCreateEngine( &snddma_android_engine, 0, NULL, 0, NULL, NULL );
+	if( result != SL_RESULT_SUCCESS ) return "slCreateEngine";
+	result = (*snddma_android_engine)->Realize( snddma_android_engine, SL_BOOLEAN_FALSE );
+	if( result != SL_RESULT_SUCCESS ) return "engine->Realize";
+	result = (*snddma_android_engine)->GetInterface( snddma_android_engine, *pSL_IID_ENGINE, &engine );
+	if( result != SL_RESULT_SUCCESS ) return "engine->GetInterface(ENGINE)";
+
+	result = (*engine)->CreateOutputMix( engine, &snddma_android_outputMix, 0, NULL, NULL );
+	if( result != SL_RESULT_SUCCESS ) return "engine->CreateOutputMix";
+	result = (*snddma_android_outputMix)->Realize( snddma_android_outputMix, SL_BOOLEAN_FALSE );
+	if( result != SL_RESULT_SUCCESS ) return "outputMix->Realize";
+
+	freq = SOUND_DMA_SPEED;
+	sourceLocator.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
+	sourceLocator.numBuffers = 2;
+	sourceFormat.formatType = SL_DATAFORMAT_PCM;
+	sourceFormat.numChannels = 2; // always stereo, because engine supports only stereo
+	sourceFormat.samplesPerSec = freq * 1000;
+	sourceFormat.bitsPerSample = 16; // always 16 bit audio
+	sourceFormat.containerSize = sourceFormat.bitsPerSample;
+	sourceFormat.channelMask = SL_SPEAKER_FRONT_LEFT|SL_SPEAKER_FRONT_RIGHT;
+	sourceFormat.endianness = SL_BYTEORDER_LITTLEENDIAN;
+	source.pLocator = &sourceLocator;
+	source.pFormat = &sourceFormat;
+
+	sinkLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
+	sinkLocator.outputMix = snddma_android_outputMix;
+	sink.pLocator = &sinkLocator;
+	sink.pFormat = NULL;
+
+	interfaceID = *pSL_IID_BUFFERQUEUE;
+	interfaceRequired = SL_BOOLEAN_TRUE;
+
+	result = (*engine)->CreateAudioPlayer( engine, &snddma_android_player, &source, &sink, 1, &interfaceID, &interfaceRequired );
+	if( result != SL_RESULT_SUCCESS ) return "engine->CreateAudioPlayer";
+	result = (*snddma_android_player)->Realize( snddma_android_player, SL_BOOLEAN_FALSE );
+	if( result != SL_RESULT_SUCCESS ) return "player->Realize";
+	result = (*snddma_android_player)->GetInterface( snddma_android_player, *pSL_IID_BUFFERQUEUE, &snddma_android_bufferQueue );
+	if( result != SL_RESULT_SUCCESS ) return "player->GetInterface(BUFFERQUEUE)";
+	result = (*snddma_android_player)->GetInterface( snddma_android_player, *pSL_IID_PLAY, &snddma_android_play );
+	if( result != SL_RESULT_SUCCESS ) return "player->GetInterface(PLAY)";
+	result = (*snddma_android_bufferQueue)->RegisterCallback( snddma_android_bufferQueue, SNDDMA_Android_Callback, NULL );
+	if( result != SL_RESULT_SUCCESS ) return "bufferQueue->RegisterCallback";
+
+	samples = s_samplecount->value;
+	if( !samples )
+		samples = 4096;
+
+	dma.format.channels = sourceFormat.numChannels;
+	dma.samples = samples * sourceFormat.numChannels;
+	dma.format.speed = freq;
+	snddma_android_size = dma.samples * ( sourceFormat.bitsPerSample >> 3 );
+	dma.buffer = Z_Malloc( snddma_android_size * 2 );
+	dma.samplepos = 0;
+	// dma.sampleframes = dma.samples / dma.format.channels;
+	dma.format.width = 2;
+	if( !dma.buffer ) return "malloc";
+
+	//snddma_android_mutex = trap_Mutex_Create();
+
+	snddma_android_pos = 0;
+	dma.initialized = true;
+
+	S_Activate( true );
+
+	return NULL;
+}
+
+qboolean SNDDMA_Init( void *hwnd)
+{
+	const char *initError;
+
+	Msg( "OpenSL ES audio device initializing...\n" );
+
+	initError = SNDDMA_Android_Init();
+	if( initError )
+	{
+		Msg( S_ERROR "SNDDMA_Init: %s failed.\n", initError );
+		SNDDMA_Shutdown();
+		return false;
+	}
+
+	Msg( "OpenSL ES audio initialized.\n" );
+
+	return true;
+}
+
+int SNDDMA_GetDMAPos( void )
+{
+	return snddma_android_pos;
+}
+
+void SNDDMA_Shutdown( void )
+{
+	Msg( "Closing OpenSL ES audio device...\n" );
+
+	if( snddma_android_player )
+	{
+		(*snddma_android_player)->Destroy( snddma_android_player );
+		snddma_android_player = NULL;
+	}
+	if( snddma_android_outputMix )
+	{
+		(*snddma_android_outputMix)->Destroy( snddma_android_outputMix );
+		snddma_android_outputMix = NULL;
+	}
+	if( snddma_android_engine )
+	{
+		(*snddma_android_engine)->Destroy( snddma_android_engine );
+		snddma_android_engine = NULL;
+	}
+
+	if( dma.buffer )
+	{
+		Z_Free( dma.buffer );
+		dma.buffer = NULL;
+	}
+
+	//if( snddma_android_mutex )
+		//trap_Mutex_Destroy( &snddma_android_mutex );
+
+	Msg( "OpenSL ES audio device shut down.\n" );
+}
+
+void SNDDMA_Submit( void )
+{
+	pthread_mutex_unlock( &snddma_android_mutex );
+}
+
+void SNDDMA_BeginPainting( void )
+{
+	pthread_mutex_lock( &snddma_android_mutex );
+}
+
+
+/*
+==============
+SNDDMA_GetSoundtime
+
+update global soundtime
+===============
+*/
+int SNDDMA_GetSoundtime( void )
+{
+	static int	buffers, oldsamplepos;
+	int		samplepos, fullsamples;
+
+	fullsamples = dma.samples / 2;
+
+	// it is possible to miscount buffers
+	// if it has wrapped twice between
+	// calls to S_Update.  Oh well.
+	samplepos = SNDDMA_GetDMAPos();
+
+	if( samplepos < oldsamplepos )
+	{
+		buffers++; // buffer wrapped
+
+		if( paintedtime > 0x40000000 )
+		{
+			// time to chop things off to avoid 32 bit limits
+			buffers = 0;
+			paintedtime = fullsamples;
+			S_StopAllSounds( true );
+		}
+	}
+
+	oldsamplepos = samplepos;
+
+	return (buffers * fullsamples + samplepos / 2);
+}
+
+void S_PrintDeviceName( void )
+{
+	Msg( "Audio: OpenSL\n" );
+}
+#endif