397 lines
11 KiB
C++
397 lines
11 KiB
C++
/*************************************************************************/
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/* audio_driver_opensl.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "audio_driver_opensl.h"
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#include <string.h>
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#define MAX_NUMBER_INTERFACES 3
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#define MAX_NUMBER_OUTPUT_DEVICES 6
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/* Structure for passing information to callback function */
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void AudioDriverOpenSL::_buffer_callback(
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SLAndroidSimpleBufferQueueItf queueItf
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/* SLuint32 eventFlags,
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const void * pBuffer,
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SLuint32 bufferSize,
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SLuint32 dataUsed*/) {
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bool mix = true;
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if (pause) {
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mix = false;
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} else if (mutex) {
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mix = mutex->try_lock() == OK;
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}
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if (mix) {
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audio_server_process(buffer_size, mixdown_buffer);
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} else {
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int32_t *src_buff = mixdown_buffer;
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for (int i = 0; i < buffer_size * 2; i++) {
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src_buff[i] = 0;
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}
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}
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if (mutex && mix)
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mutex->unlock();
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const int32_t *src_buff = mixdown_buffer;
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int16_t *ptr = (int16_t *)buffers[last_free];
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last_free = (last_free + 1) % BUFFER_COUNT;
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for (int i = 0; i < buffer_size * 2; i++) {
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ptr[i] = src_buff[i] >> 16;
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}
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(*queueItf)->Enqueue(queueItf, ptr, 4 * buffer_size);
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#if 0
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SLresult res;
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CallbackCntxt *pCntxt = (CallbackCntxt*)pContext;
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if(pCntxt->pData < (pCntxt->pDataBase + pCntxt->size))
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{
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res = (*queueItf)->Enqueue(queueItf, (void*) pCntxt->pData,
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2 * AUDIO_DATA_BUFFER_SIZE, SL_BOOLEAN_FALSE); /* Size given
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in bytes. */
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CheckErr(res);
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/* Increase data pointer by buffer size */
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pCntxt->pData += AUDIO_DATA_BUFFER_SIZE;
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}
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}
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#endif
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}
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void AudioDriverOpenSL::_buffer_callbacks(
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SLAndroidSimpleBufferQueueItf queueItf,
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/*SLuint32 eventFlags,
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const void * pBuffer,
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SLuint32 bufferSize,
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SLuint32 dataUsed,*/
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void *pContext) {
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AudioDriverOpenSL *ad = (AudioDriverOpenSL *)pContext;
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//ad->_buffer_callback(queueItf,eventFlags,pBuffer,bufferSize,dataUsed);
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ad->_buffer_callback(queueItf);
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}
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AudioDriverOpenSL *AudioDriverOpenSL::s_ad = NULL;
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const char *AudioDriverOpenSL::get_name() const {
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return "Android";
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}
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#if 0
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int AudioDriverOpenSL::thread_func(SceSize args, void *argp) {
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AudioDriverOpenSL* ad = s_ad;
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sceAudioOutput2Reserve(AUDIO_OUTPUT_SAMPLE);
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int half=0;
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while(!ad->exit_thread) {
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int16_t *ptr = &ad->outbuff[AUDIO_OUTPUT_SAMPLE*2*half];
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if (!ad->active) {
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for(int i=0;i<AUDIO_OUTPUT_SAMPLE*2;i++) {
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ptr[i]=0;
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}
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} else {
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//printf("samples: %i\n",AUDIO_OUTPUT_SAMPLE);
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ad->lock();
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ad->audio_server_process(AUDIO_OUTPUT_SAMPLE,ad->outbuff_32);
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ad->unlock();
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const int32_t* src_buff=ad->outbuff_32;
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for(int i=0;i<AUDIO_OUTPUT_SAMPLE*2;i++) {
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ptr[i]=src_buff[i]>>16;
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}
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}
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/* Output 16-bit PCM STEREO data that is in pcmBuf without changing the volume */
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sceAudioOutput2OutputBlocking(
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SCE_AUDIO_VOLUME_0dB*3, //0db at 0x8000, that's obvious
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ptr
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);
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if (half)
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half=0;
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else
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half=1;
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}
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sceAudioOutput2Release();
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sceKernelExitThread(SCE_KERNEL_EXIT_SUCCESS);
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ad->thread_exited=true;
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return SCE_KERNEL_EXIT_SUCCESS;
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}
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#endif
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Error AudioDriverOpenSL::init() {
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SLresult
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res;
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SLEngineOption EngineOption[] = {
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(SLuint32)SL_ENGINEOPTION_THREADSAFE,
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(SLuint32)SL_BOOLEAN_TRUE
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};
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res = slCreateEngine(&sl, 1, EngineOption, 0, NULL, NULL);
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if (res != SL_RESULT_SUCCESS) {
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ERR_EXPLAIN("Could not Initialize OpenSL");
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ERR_FAIL_V(ERR_INVALID_PARAMETER);
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}
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res = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
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if (res != SL_RESULT_SUCCESS) {
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ERR_EXPLAIN("Could not Realize OpenSL");
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ERR_FAIL_V(ERR_INVALID_PARAMETER);
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}
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print_line("OpenSL Init OK!");
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return OK;
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}
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void AudioDriverOpenSL::start() {
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mutex = Mutex::create();
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active = false;
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SLint32 numOutputs = 0;
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SLuint32 deviceID = 0;
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SLresult res;
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buffer_size = 1024;
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for (int i = 0; i < BUFFER_COUNT; i++) {
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buffers[i] = memnew_arr(int16_t, buffer_size * 2);
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memset(buffers[i], 0, buffer_size * 4);
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}
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mixdown_buffer = memnew_arr(int32_t, buffer_size * 2);
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/* Callback context for the buffer queue callback function */
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/* Get the SL Engine Interface which is implicit */
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res = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void *)&EngineItf);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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/* Initialize arrays required[] and iidArray[] */
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SLboolean required[MAX_NUMBER_INTERFACES];
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SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
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#if 0
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for (int i=0; i<MAX_NUMBER_INTERFACES; i++)
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{
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required[i] = SL_BOOLEAN_FALSE;
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iidArray[i] = SL_IID_NULL;
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}
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// Set arrays required[] and iidArray[] for VOLUME interface
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required[0] = SL_BOOLEAN_TRUE;
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iidArray[0] = SL_IID_VOLUME;
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// Create Output Mix object to be used by player
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res = (*EngineItf)->CreateOutputMix(EngineItf, &OutputMix, 1,
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iidArray, required);
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#else
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{
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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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res = (*EngineItf)->CreateOutputMix(EngineItf, &OutputMix, 0, ids, req);
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}
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#endif
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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// Realizing the Output Mix object in synchronous mode.
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res = (*OutputMix)->Realize(OutputMix, SL_BOOLEAN_FALSE);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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SLDataLocator_AndroidSimpleBufferQueue loc_bufq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, BUFFER_COUNT };
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//bufferQueue.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
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//bufferQueue.numBuffers = BUFFER_COUNT; /* Four buffers in our buffer queue */
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/* Setup the format of the content in the buffer queue */
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pcm.formatType = SL_DATAFORMAT_PCM;
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pcm.numChannels = 2;
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pcm.samplesPerSec = SL_SAMPLINGRATE_44_1;
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pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
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pcm.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
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pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
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#ifdef BIG_ENDIAN_ENABLED
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pcm.endianness = SL_BYTEORDER_BIGENDIAN;
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#else
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pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
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#endif
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audioSource.pFormat = (void *)&pcm;
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audioSource.pLocator = (void *)&loc_bufq;
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/* Setup the data sink structure */
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locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
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locator_outputmix.outputMix = OutputMix;
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audioSink.pLocator = (void *)&locator_outputmix;
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audioSink.pFormat = NULL;
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/* Initialize the context for Buffer queue callbacks */
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//cntxt.pDataBase = (void*)&pcmData;
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//cntxt.pData = cntxt.pDataBase;
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//cntxt.size = sizeof(pcmData);
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/* Set arrays required[] and iidArray[] for SEEK interface
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(PlayItf is implicit) */
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required[0] = SL_BOOLEAN_TRUE;
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iidArray[0] = SL_IID_BUFFERQUEUE;
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/* Create the music player */
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{
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const SLInterfaceID ids[2] = { SL_IID_BUFFERQUEUE, SL_IID_EFFECTSEND };
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const SLboolean req[2] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE };
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res = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink, 1, ids, req);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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}
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/* Realizing the player in synchronous mode. */
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res = (*player)->Realize(player, SL_BOOLEAN_FALSE);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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/* Get seek and play interfaces */
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res = (*player)->GetInterface(player, SL_IID_PLAY, (void *)&playItf);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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res = (*player)->GetInterface(player, SL_IID_BUFFERQUEUE,
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(void *)&bufferQueueItf);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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/* Setup to receive buffer queue event callbacks */
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res = (*bufferQueueItf)->RegisterCallback(bufferQueueItf, _buffer_callbacks, this);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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/* Before we start set volume to -3dB (-300mB) */
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#if 0
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res = (*OutputMix)->GetInterface(OutputMix, SL_IID_VOLUME,
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(void*)&volumeItf);
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ERR_FAIL_COND( res !=SL_RESULT_SUCCESS );
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/* Setup the data source structure for the buffer queue */
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res = (*volumeItf)->SetVolumeLevel(volumeItf, -300);
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ERR_FAIL_COND( res !=SL_RESULT_SUCCESS );
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#endif
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last_free = 0;
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#if 1
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//fill up buffers
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for (int i = 0; i < BUFFER_COUNT; i++) {
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/* Enqueue a few buffers to get the ball rolling */
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res = (*bufferQueueItf)->Enqueue(bufferQueueItf, buffers[i], 4 * buffer_size); /* Size given in */
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}
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#endif
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res = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PLAYING);
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ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
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#if 0
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res = (*bufferQueueItf)->GetState(bufferQueueItf, &state);
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ERR_FAIL_COND( res !=SL_RESULT_SUCCESS );
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while(state.count)
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{
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(*bufferQueueItf)->GetState(bufferQueueItf, &state);
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}
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/* Make sure player is stopped */
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res = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_STOPPED);
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CheckErr(res);
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/* Destroy the player */
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(*player)->Destroy(player);
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/* Destroy Output Mix object */
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(*OutputMix)->Destroy(OutputMix);
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#endif
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active = true;
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}
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int AudioDriverOpenSL::get_mix_rate() const {
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return 44100;
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}
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AudioDriver::SpeakerMode AudioDriverOpenSL::get_speaker_mode() const {
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return SPEAKER_MODE_STEREO;
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}
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void AudioDriverOpenSL::lock() {
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if (active && mutex)
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mutex->lock();
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}
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void AudioDriverOpenSL::unlock() {
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if (active && mutex)
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mutex->unlock();
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}
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void AudioDriverOpenSL::finish() {
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(*sl)->Destroy(sl);
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}
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void AudioDriverOpenSL::set_pause(bool p_pause) {
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pause = p_pause;
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if (active) {
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if (pause) {
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(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PAUSED);
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} else {
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(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PLAYING);
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}
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}
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}
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AudioDriverOpenSL::AudioDriverOpenSL() {
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s_ad = this;
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mutex = Mutex::create(); //NULL;
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pause = false;
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}
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