mirror of
https://github.com/shadps4-emu/ext-SDL.git
synced 2024-11-24 10:39:51 +00:00
Initial Android OpenSL ES implementation, contributed by ANTA
This commit is contained in:
Sam Lantinga
parent
fb8cb95fbc
commit
7dc92a7669
@ -20,6 +20,7 @@ LOCAL_SRC_FILES := \
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$(wildcard $(LOCAL_PATH)/src/audio/*.c) \
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$(wildcard $(LOCAL_PATH)/src/audio/android/*.c) \
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$(wildcard $(LOCAL_PATH)/src/audio/dummy/*.c) \
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$(wildcard $(LOCAL_PATH)/src/audio/openslES/*.c) \
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$(LOCAL_PATH)/src/atomic/SDL_atomic.c.arm \
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$(LOCAL_PATH)/src/atomic/SDL_spinlock.c.arm \
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$(wildcard $(LOCAL_PATH)/src/core/android/*.c) \
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@ -69,7 +70,7 @@ LOCAL_CFLAGS += \
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LOCAL_CFLAGS += -Wno-unused-parameter -Wno-sign-compare
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LOCAL_LDLIBS := -ldl -lGLESv1_CM -lGLESv2 -llog -landroid
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LOCAL_LDLIBS := -ldl -lGLESv1_CM -lGLESv2 -lOpenSLES -llog -landroid
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ifeq ($(NDK_DEBUG),1)
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cmd-strip :=
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@ -130,6 +130,7 @@
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/* Enable various audio drivers */
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#define SDL_AUDIO_DRIVER_ANDROID 1
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#define SDL_AUDIO_DRIVER_OPENSLES 1
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#define SDL_AUDIO_DRIVER_DUMMY 1
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/* Enable various input drivers */
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@ -92,6 +92,9 @@ static const AudioBootStrap *const bootstrap[] = {
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#if SDL_AUDIO_DRIVER_ANDROID
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&ANDROIDAUDIO_bootstrap,
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#endif
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#if SDL_AUDIO_DRIVER_OPENSLES
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&openslES_bootstrap,
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#endif
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#if SDL_AUDIO_DRIVER_PSP
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&PSPAUDIO_bootstrap,
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#endif
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@ -205,6 +205,7 @@ extern AudioBootStrap DISKAUDIO_bootstrap;
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extern AudioBootStrap DUMMYAUDIO_bootstrap;
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extern AudioBootStrap FUSIONSOUND_bootstrap;
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extern AudioBootStrap ANDROIDAUDIO_bootstrap;
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extern AudioBootStrap openslES_bootstrap;
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extern AudioBootStrap PSPAUDIO_bootstrap;
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extern AudioBootStrap EMSCRIPTENAUDIO_bootstrap;
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573
src/audio/openslES/SDL_openslES.c
Normal file
573
src/audio/openslES/SDL_openslES.c
Normal file
@ -0,0 +1,573 @@
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/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "../../SDL_internal.h"
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#if SDL_AUDIO_DRIVER_OPENSLES
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#include "SDL_audio.h"
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#include "../SDL_audio_c.h"
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#include "SDL_openslES.h"
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// for native audio
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#include <SLES/OpenSLES.h>
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#include <SLES/OpenSLES_Android.h>
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#include <android/log.h>
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#define LOG_TAG "SDL_openslES"
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//#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
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//#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
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//#define LOGI(...) do {} while (0)
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//#define LOGE(...) do {} while (0)
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#define LOGI(...)
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#define LOGE(...)
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// engine interfaces
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static SLObjectItf engineObject = NULL;
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static SLEngineItf engineEngine;
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// output mix interfaces
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static SLObjectItf outputMixObject = NULL;
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//static SLEnvironmentalReverbItf outputMixEnvironmentalReverb = NULL;
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// aux effect on the output mix, used by the buffer queue player
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static const SLEnvironmentalReverbSettings reverbSettings =
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SL_I3DL2_ENVIRONMENT_PRESET_STONECORRIDOR;
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// buffer queue player interfaces
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static SLObjectItf bqPlayerObject = NULL;
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static SLPlayItf bqPlayerPlay;
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static SLAndroidSimpleBufferQueueItf bqPlayerBufferQueue;
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//static SLEffectSendItf bqPlayerEffectSend;
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static SLMuteSoloItf bqPlayerMuteSolo;
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static SLVolumeItf bqPlayerVolume;
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// recorder interfaces TODO
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static SLObjectItf recorderObject = NULL;
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static SLRecordItf recorderRecord;
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static SLAndroidSimpleBufferQueueItf recorderBufferQueue;
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// pointer and size of the next player buffer to enqueue, and number of remaining buffers
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static short *nextBuffer;
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static unsigned nextSize;
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static int nextCount;
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static const char *sldevaudiorecorderstr = "SLES Audio Recorder";
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static const char *sldevaudioplayerstr = "SLES Audio Player";
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#define SLES_DEV_AUDIO_RECORDER sldevaudiorecorderstr
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#define SLES_DEV_AUDIO_PLAYER sldevaudioplayerstr
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#define NUM_BUFFERS 2 /* -- Don't lower this! */
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static Uint8 *mixbuff = NULL;
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static int next_buffer = 0;
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static Uint8 *pmixbuff[NUM_BUFFERS];
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static SDL_sem *playsem = NULL, *recsem = NULL;
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//static SDL_AudioDevice* audioDevice = NULL;
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#if 0
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static void openslES_DetectDevices( int iscapture )
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{
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LOGI( "openSLES_DetectDevices()" );
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if ( iscapture )
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addfn( SLES_DEV_AUDIO_RECORDER );
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else
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addfn( SLES_DEV_AUDIO_PLAYER );
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return;
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}
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#endif
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static void openslES_DestroyEngine( void );
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static int openslES_CreateEngine( void )
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{
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SLresult result;
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LOGI( "openSLES_CreateEngine()" );
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// create engine
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result = slCreateEngine( &engineObject, 0, NULL, 0, NULL, NULL );
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if ( SL_RESULT_SUCCESS != result ) {
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LOGE( "slCreateEngine failed" );
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goto error;
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}
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LOGI( "slCreateEngine OK" );
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// realize the engine
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result = (*engineObject)->Realize( engineObject, SL_BOOLEAN_FALSE );
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if ( SL_RESULT_SUCCESS != result ) {
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LOGE( "RealizeEngine failed" );
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goto error;
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}
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LOGI( "RealizeEngine OK" );
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// get the engine interface, which is needed in order to create other objects
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result = (*engineObject)->GetInterface( engineObject, SL_IID_ENGINE, &engineEngine );
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if ( SL_RESULT_SUCCESS != result ) {
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LOGE( "EngineGetInterface failed" );
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goto error;
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}
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LOGI( "EngineGetInterface OK" );
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// create output mix, with environmental reverb specified as a non-required interface
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// const SLInterfaceID ids[1] = { SL_IID_ENVIRONMENTALREVERB };
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// const SLboolean req[1] = { SL_BOOLEAN_FALSE };
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const SLInterfaceID ids[1] = { SL_IID_VOLUME };
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const SLboolean req[1] = { SL_BOOLEAN_FALSE };
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result = (*engineEngine)->CreateOutputMix( engineEngine, &outputMixObject, 1, ids, req );
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if ( SL_RESULT_SUCCESS != result ) {
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LOGE( "CreateOutputMix failed" );
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goto error;
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}
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LOGI( "CreateOutputMix OK" );
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// realize the output mix
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result = (*outputMixObject)->Realize( outputMixObject, SL_BOOLEAN_FALSE );
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if ( SL_RESULT_SUCCESS != result ) {
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LOGE( "RealizeOutputMix failed" );
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goto error;
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}
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return 1;
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error:;
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openslES_DestroyEngine( );
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return 0;
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}
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static void openslES_DestroyPCMPlayer( void );
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static void openslES_DestroyPCMRecorder( void );
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static void openslES_DestroyEngine( void )
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{
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LOGI( "openslES_DestroyEngine()" );
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openslES_DestroyPCMPlayer( );
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openslES_DestroyPCMRecorder( );
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// destroy output mix object, and invalidate all associated interfaces
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if ( outputMixObject != NULL ) {
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(*outputMixObject)->Destroy( outputMixObject );
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outputMixObject = NULL;
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// outputMixEnvironmentalReverb = NULL;
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}
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// destroy engine object, and invalidate all associated interfaces
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if (engineObject != NULL) {
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(*engineObject)->Destroy( engineObject );
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engineObject = NULL;
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engineEngine = NULL;
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}
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return;
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}
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// this callback handler is called every time a buffer finishes playing
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static void bqPlayerCallback( SLAndroidSimpleBufferQueueItf bq, void *context )
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{
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static int t = 0;
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// assert(bq == bqPlayerBufferQueue);
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// assert(NULL == context);
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// for streaming playback, replace this test by logic to find and fill the next buffer
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#if 0
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if (--nextCount > 0 && NULL != nextBuffer && 0 != nextSize) {
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SLresult result;
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// enqueue another buffer
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result = (*bqPlayerBufferQueue)->Enqueue(bqPlayerBufferQueue, nextBuffer, nextSize);
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// the most likely other result is SL_RESULT_BUFFER_INSUFFICIENT,
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// which for this code example would indicate a programming error
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assert(SL_RESULT_SUCCESS == result);
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(void)result;
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}
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#endif
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LOGI( "SLES: Playback Callmeback %u", t++ );
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SDL_SemPost( playsem );
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return;
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}
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static int openslES_CreatePCMRecorder( _THIS )
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{
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LOGE( "openslES_CreatePCMRecorder not implimented yet!" );
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return SDL_SetError( "openslES_CreatePCMRecorder not implimented yet!" );
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}
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static void openslES_DestroyPCMRecorder( void )
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{
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return;
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}
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static int openslES_CreatePCMPlayer( _THIS )
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{
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SLDataFormat_PCM format_pcm;
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SDL_AudioFormat test_format;
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SLresult result;
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int i;
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/*
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test_format = SDL_FirstAudioFormat( this->spec.format );
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while ( test_format != 0 ) {
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if ( SDL_AUDIO_ISSIGNED(test_format) && SDL_AUDIO_ISINT(test_format ) ) break;
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test_format = SDL_NextAudioFormat( );
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}
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if ( test_format == 0 ) {
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// Didn't find a compatible format :(
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LOGI( "No compatible audio format!" );
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return SDL_SetError("No compatible audio format!");
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}
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this->spec.format = test_format;
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*/
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// Update the fragment size as size in bytes
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SDL_CalculateAudioSpec( &this->spec );
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LOGI( "Try to open %u hz %u bit chan %u %s samples %u",
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this->spec.freq, SDL_AUDIO_BITSIZE( this->spec.format ),
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this->spec.channels, (test_format&0x1000) ? "BE" : "LE", this->spec.samples
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);
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// configure audio source
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SLDataLocator_AndroidSimpleBufferQueue loc_bufq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 2 };
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// SLDataLocator_AndroidSimpleBufferQueue loc_bufq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, OPENSLES_BUFFERS };
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format_pcm.formatType = SL_DATAFORMAT_PCM;
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format_pcm.numChannels = this->spec.channels;
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format_pcm.samplesPerSec = this->spec.freq * 1000; /// kilo Hz to milli Hz
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format_pcm.bitsPerSample = SDL_AUDIO_BITSIZE( this->spec.format );
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format_pcm.containerSize = SDL_AUDIO_BITSIZE( this->spec.format );
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if ( SDL_AUDIO_ISBIGENDIAN( this->spec.format ) )
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format_pcm.endianness = SL_BYTEORDER_BIGENDIAN;
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else
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format_pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
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/*
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#define SL_SPEAKER_FRONT_LEFT ((SLuint32) 0x00000001)
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#define SL_SPEAKER_FRONT_RIGHT ((SLuint32) 0x00000002)
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#define SL_SPEAKER_FRONT_CENTER ((SLuint32) 0x00000004)
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#define SL_SPEAKER_LOW_FREQUENCY ((SLuint32) 0x00000008)
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#define SL_SPEAKER_BACK_LEFT ((SLuint32) 0x00000010)
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#define SL_SPEAKER_BACK_RIGHT ((SLuint32) 0x00000020)
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#define SL_SPEAKER_FRONT_LEFT_OF_CENTER ((SLuint32) 0x00000040)
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#define SL_SPEAKER_FRONT_RIGHT_OF_CENTER ((SLuint32) 0x00000080)
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#define SL_SPEAKER_BACK_CENTER ((SLuint32) 0x00000100)
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#define SL_SPEAKER_SIDE_LEFT ((SLuint32) 0x00000200)
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#define SL_SPEAKER_SIDE_RIGHT ((SLuint32) 0x00000400)
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#define SL_SPEAKER_TOP_CENTER ((SLuint32) 0x00000800)
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#define SL_SPEAKER_TOP_FRONT_LEFT ((SLuint32) 0x00001000)
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#define SL_SPEAKER_TOP_FRONT_CENTER ((SLuint32) 0x00002000)
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#define SL_SPEAKER_TOP_FRONT_RIGHT ((SLuint32) 0x00004000)
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#define SL_SPEAKER_TOP_BACK_LEFT ((SLuint32) 0x00008000)
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#define SL_SPEAKER_TOP_BACK_CENTER ((SLuint32) 0x00010000)
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#define SL_SPEAKER_TOP_BACK_RIGHT ((SLuint32) 0x00020000)
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*/
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|
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if ( this->spec.channels == 1 )
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format_pcm.channelMask = SL_SPEAKER_FRONT_CENTER;
|
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else if ( this->spec.channels == 2 )
|
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format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
|
||||
else if ( this->spec.channels == 3 )
|
||||
format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT | SL_SPEAKER_FRONT_CENTER;
|
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else if ( this->spec.channels == 4 )
|
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format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT |
|
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SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT;
|
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else
|
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format_pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT |
|
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SL_SPEAKER_BACK_LEFT | SL_SPEAKER_BACK_RIGHT |
|
||||
SL_SPEAKER_FRONT_CENTER;
|
||||
|
||||
SLDataSource audioSrc = { &loc_bufq, &format_pcm };
|
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|
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// configure audio sink
|
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SLDataLocator_OutputMix loc_outmix = { SL_DATALOCATOR_OUTPUTMIX, outputMixObject };
|
||||
SLDataSink audioSnk = { &loc_outmix, NULL };
|
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|
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// create audio player
|
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const SLInterfaceID ids[2] = {
|
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SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
|
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SL_IID_VOLUME
|
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};
|
||||
|
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const SLboolean req[2] = {
|
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SL_BOOLEAN_TRUE,
|
||||
SL_BOOLEAN_FALSE,
|
||||
};
|
||||
|
||||
result = (*engineEngine)->CreateAudioPlayer( engineEngine, &bqPlayerObject, &audioSrc, &audioSnk,
|
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2, ids, req );
|
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if ( SL_RESULT_SUCCESS != result ) {
|
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|
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LOGE( "CreateAudioPlayer failed" );
|
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goto failed;
|
||||
}
|
||||
|
||||
// realize the player
|
||||
result = (*bqPlayerObject)->Realize( bqPlayerObject, SL_BOOLEAN_FALSE );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "RealizeAudioPlayer failed" );
|
||||
goto failed;
|
||||
}
|
||||
|
||||
// get the play interface
|
||||
result = (*bqPlayerObject)->GetInterface( bqPlayerObject, SL_IID_PLAY, &bqPlayerPlay );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "SL_IID_PLAY interface get failed" );
|
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goto failed;
|
||||
}
|
||||
|
||||
// get the buffer queue interface
|
||||
result = (*bqPlayerObject)->GetInterface( bqPlayerObject, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &bqPlayerBufferQueue );
|
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if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "SL_IID_BUFFERQUEUE interface get failed" );
|
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goto failed;
|
||||
}
|
||||
|
||||
// register callback on the buffer queue
|
||||
result = (*bqPlayerBufferQueue)->RegisterCallback( bqPlayerBufferQueue, bqPlayerCallback, NULL );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "RegisterCallback failed" );
|
||||
goto failed;
|
||||
}
|
||||
|
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#if 0
|
||||
// get the effect send interface
|
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result = (*bqPlayerObject)->GetInterface( bqPlayerObject, SL_IID_EFFECTSEND, &bqPlayerEffectSend );
|
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if ( SL_RESULT_SUCCESS != result ) {
|
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|
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LOGE( "SL_IID_EFFECTSEND interface get failed" );
|
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goto failed;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if 0 // mute/solo is not supported for sources that are known to be mono, as this is
|
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// get the mute/solo interface
|
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result = (*bqPlayerObject)->GetInterface(bqPlayerObject, SL_IID_MUTESOLO, &bqPlayerMuteSolo);
|
||||
assert(SL_RESULT_SUCCESS == result);
|
||||
(void)result;
|
||||
#endif
|
||||
|
||||
// get the volume interface
|
||||
result = (*bqPlayerObject)->GetInterface( bqPlayerObject, SL_IID_VOLUME, &bqPlayerVolume );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "SL_IID_VOLUME interface get failed" );
|
||||
// goto failed;
|
||||
}
|
||||
|
||||
// set the player's state to playing
|
||||
result = (*bqPlayerPlay)->SetPlayState( bqPlayerPlay, SL_PLAYSTATE_PLAYING );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
|
||||
LOGE( "Play set state failed" );
|
||||
goto failed;
|
||||
}
|
||||
|
||||
/* Create the audio buffer semaphore */
|
||||
playsem = SDL_CreateSemaphore( NUM_BUFFERS - 1 );
|
||||
if ( !playsem ) {
|
||||
|
||||
LOGE( "cannot create Semaphore!" );
|
||||
goto failed;
|
||||
}
|
||||
|
||||
/* Create the sound buffers */
|
||||
mixbuff = (Uint8 *) SDL_malloc( NUM_BUFFERS * this->spec.size );
|
||||
if ( mixbuff == NULL) {
|
||||
|
||||
LOGE( "mixbuffer allocate - out of memory" );
|
||||
goto failed;
|
||||
}
|
||||
|
||||
for ( i = 0; i < NUM_BUFFERS; i ++ )
|
||||
pmixbuff[i] = mixbuff + i * this->spec.size;
|
||||
|
||||
return 0;
|
||||
|
||||
failed:;
|
||||
|
||||
openslES_DestroyPCMPlayer( );
|
||||
|
||||
return SDL_SetError( "Open device failed!" );
|
||||
}
|
||||
|
||||
static void openslES_DestroyPCMPlayer( void )
|
||||
{
|
||||
// destroy buffer queue audio player object, and invalidate all associated interfaces
|
||||
if ( bqPlayerObject != NULL ) {
|
||||
|
||||
(*bqPlayerObject)->Destroy( bqPlayerObject );
|
||||
|
||||
bqPlayerObject = NULL;
|
||||
bqPlayerPlay = NULL;
|
||||
bqPlayerBufferQueue = NULL;
|
||||
// bqPlayerEffectSend = NULL;
|
||||
bqPlayerMuteSolo = NULL;
|
||||
bqPlayerVolume = NULL;
|
||||
}
|
||||
|
||||
if ( playsem ) {
|
||||
|
||||
SDL_DestroySemaphore( playsem );
|
||||
playsem = NULL;
|
||||
}
|
||||
|
||||
if ( mixbuff )
|
||||
SDL_free( mixbuff );
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int openslES_OpenDevice( _THIS, void *handle, const char *devname, int iscapture )
|
||||
{
|
||||
if ( iscapture ) {
|
||||
LOGI( "openslES_OpenDevice( ) %s for capture", devname );
|
||||
return openslES_CreatePCMRecorder( this );
|
||||
}
|
||||
|
||||
LOGI( "openslES_OpenDevice( ) %s for playing", devname );
|
||||
|
||||
return openslES_CreatePCMPlayer( this );
|
||||
}
|
||||
|
||||
static void openslES_CloseDevice( _THIS )
|
||||
{
|
||||
if ( this->iscapture ) {
|
||||
LOGI( "openslES_CloseDevice( ) for capture" );
|
||||
return openslES_DestroyPCMRecorder( );
|
||||
}
|
||||
|
||||
LOGI( "openslES_CloseDevice( ) for playing" );
|
||||
openslES_DestroyPCMPlayer( );
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static void openslES_WaitDevice( _THIS )
|
||||
{
|
||||
LOGI( "openslES_WaitDevice( )" );
|
||||
|
||||
/* Wait for an audio chunk to finish */
|
||||
// WaitForSingleObject(this->hidden->audio_sem, INFINITE);
|
||||
SDL_SemWait( playsem );
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
/// n playn sem
|
||||
// getbuf 0 - 1
|
||||
// fill buff 0 - 1
|
||||
// play 0 - 0 1
|
||||
// wait 1 0 0
|
||||
// getbuf 1 0 0
|
||||
// fill buff 1 0 0
|
||||
// play 0 0 0
|
||||
// wait
|
||||
//
|
||||
// okay..
|
||||
|
||||
|
||||
static Uint8 *openslES_GetDeviceBuf( _THIS )
|
||||
{
|
||||
LOGI( "openslES_GetDeviceBuf( )" );
|
||||
|
||||
return pmixbuff[next_buffer];
|
||||
}
|
||||
|
||||
static void openslES_PlayDevice( _THIS )
|
||||
{
|
||||
SLresult result;
|
||||
|
||||
LOGI( "======openslES_PlayDevice( )======" );
|
||||
/* Queue it up */
|
||||
|
||||
result = (*bqPlayerBufferQueue)->Enqueue( bqPlayerBufferQueue, pmixbuff[next_buffer], this->spec.size );
|
||||
if ( SL_RESULT_SUCCESS != result ) {
|
||||
// just puk here
|
||||
// next !
|
||||
}
|
||||
|
||||
next_buffer ++;
|
||||
if ( next_buffer >= NUM_BUFFERS ) next_buffer = 0;
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static int openslES_Init( SDL_AudioDriverImpl * impl )
|
||||
{
|
||||
LOGI( "openslES_Init() called" );
|
||||
|
||||
if ( !openslES_CreateEngine() ) return 0;
|
||||
|
||||
LOGI( "openslES_Init() - set pointers" );
|
||||
|
||||
/* Set the function pointers */
|
||||
// impl->DetectDevices = openslES_DetectDevices;
|
||||
impl->OpenDevice = openslES_OpenDevice;
|
||||
impl->PlayDevice = openslES_PlayDevice;
|
||||
impl->GetDeviceBuf = openslES_GetDeviceBuf;
|
||||
impl->Deinitialize = openslES_DestroyEngine;
|
||||
impl->WaitDevice = openslES_WaitDevice;
|
||||
|
||||
/* and the capabilities */
|
||||
impl->HasCaptureSupport = 0; /* TODO */
|
||||
impl->OnlyHasDefaultOutputDevice = 1;
|
||||
// impl->OnlyHasDefaultInputDevice = 1;
|
||||
|
||||
LOGI( "openslES_Init() - succes" );
|
||||
|
||||
return 1; /* this audio target is available. */
|
||||
}
|
||||
|
||||
AudioBootStrap openslES_bootstrap = {
|
||||
"openslES", "opensl ES audio driver", openslES_Init, 0
|
||||
};
|
||||
|
||||
#endif /* SDL_AUDIO_DRIVER_OPENSLES */
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
42
src/audio/openslES/SDL_openslES.h
Normal file
42
src/audio/openslES/SDL_openslES.h
Normal file
@ -0,0 +1,42 @@
|
||||
/*
|
||||
Simple DirectMedia Layer
|
||||
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
|
||||
|
||||
This software is provided 'as-is', without any express or implied
|
||||
warranty. In no event will the authors be held liable for any damages
|
||||
arising from the use of this software.
|
||||
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it
|
||||
freely, subject to the following restrictions:
|
||||
|
||||
1. The origin of this software must not be misrepresented; you must not
|
||||
claim that you wrote the original software. If you use this software
|
||||
in a product, an acknowledgment in the product documentation would be
|
||||
appreciated but is not required.
|
||||
2. Altered source versions must be plainly marked as such, and must not be
|
||||
misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
#include "../../SDL_internal.h"
|
||||
|
||||
#ifndef _SDL_openslesaudio_h
|
||||
#define _SDL_openslesaudio_h
|
||||
|
||||
#include "../SDL_sysaudio.h"
|
||||
|
||||
/* Hidden "this" pointer for the audio functions */
|
||||
#define _THIS SDL_AudioDevice *this
|
||||
|
||||
struct SDL_PrivateAudioData
|
||||
{
|
||||
/* The file descriptor for the audio device */
|
||||
Uint8 *mixbuf;
|
||||
Uint32 mixlen;
|
||||
Uint32 write_delay;
|
||||
Uint32 initial_calls;
|
||||
};
|
||||
|
||||
#endif /* _SDL_openslesaudio_h */
|
||||
|
||||
/* vi: set ts=4 sw=4 expandtab: */
|
||||
Loading…
Reference in New Issue
Block a user