mirror of
https://github.com/godotengine/godot.git
synced 2024-11-27 09:16:35 +08:00
276 lines
8.4 KiB
C++
276 lines
8.4 KiB
C++
/*************************************************************************/
|
|
/* audio_driver_opensl.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
#include "audio_driver_opensl.h"
|
|
|
|
#include <string.h>
|
|
|
|
#define MAX_NUMBER_INTERFACES 3
|
|
#define MAX_NUMBER_OUTPUT_DEVICES 6
|
|
|
|
/* Structure for passing information to callback function */
|
|
|
|
void AudioDriverOpenSL::_buffer_callback(
|
|
SLAndroidSimpleBufferQueueItf queueItf
|
|
/* SLuint32 eventFlags,
|
|
const void * pBuffer,
|
|
SLuint32 bufferSize,
|
|
SLuint32 dataUsed*/) {
|
|
|
|
bool mix = true;
|
|
|
|
if (pause) {
|
|
mix = false;
|
|
} else if (mutex) {
|
|
mix = mutex->try_lock() == OK;
|
|
}
|
|
|
|
if (mix) {
|
|
audio_server_process(buffer_size, mixdown_buffer);
|
|
} else {
|
|
|
|
int32_t *src_buff = mixdown_buffer;
|
|
for (int i = 0; i < buffer_size * 2; i++) {
|
|
src_buff[i] = 0;
|
|
}
|
|
}
|
|
|
|
if (mutex && mix)
|
|
mutex->unlock();
|
|
|
|
const int32_t *src_buff = mixdown_buffer;
|
|
|
|
int16_t *ptr = (int16_t *)buffers[last_free];
|
|
last_free = (last_free + 1) % BUFFER_COUNT;
|
|
|
|
for (int i = 0; i < buffer_size * 2; i++) {
|
|
|
|
ptr[i] = src_buff[i] >> 16;
|
|
}
|
|
|
|
(*queueItf)->Enqueue(queueItf, ptr, 4 * buffer_size);
|
|
}
|
|
|
|
void AudioDriverOpenSL::_buffer_callbacks(
|
|
SLAndroidSimpleBufferQueueItf queueItf,
|
|
void *pContext) {
|
|
|
|
AudioDriverOpenSL *ad = (AudioDriverOpenSL *)pContext;
|
|
|
|
//ad->_buffer_callback(queueItf,eventFlags,pBuffer,bufferSize,dataUsed);
|
|
ad->_buffer_callback(queueItf);
|
|
}
|
|
|
|
AudioDriverOpenSL *AudioDriverOpenSL::s_ad = NULL;
|
|
|
|
const char *AudioDriverOpenSL::get_name() const {
|
|
|
|
return "Android";
|
|
}
|
|
|
|
Error AudioDriverOpenSL::init() {
|
|
|
|
SLresult
|
|
res;
|
|
SLEngineOption EngineOption[] = {
|
|
(SLuint32)SL_ENGINEOPTION_THREADSAFE,
|
|
(SLuint32)SL_BOOLEAN_TRUE
|
|
|
|
};
|
|
res = slCreateEngine(&sl, 1, EngineOption, 0, NULL, NULL);
|
|
if (res != SL_RESULT_SUCCESS) {
|
|
|
|
ERR_EXPLAIN("Could not Initialize OpenSL");
|
|
ERR_FAIL_V(ERR_INVALID_PARAMETER);
|
|
}
|
|
res = (*sl)->Realize(sl, SL_BOOLEAN_FALSE);
|
|
if (res != SL_RESULT_SUCCESS) {
|
|
|
|
ERR_EXPLAIN("Could not Realize OpenSL");
|
|
ERR_FAIL_V(ERR_INVALID_PARAMETER);
|
|
}
|
|
|
|
print_line("OpenSL Init OK!");
|
|
|
|
return OK;
|
|
}
|
|
|
|
void AudioDriverOpenSL::start() {
|
|
|
|
mutex = Mutex::create();
|
|
active = false;
|
|
|
|
SLint32 numOutputs = 0;
|
|
SLuint32 deviceID = 0;
|
|
SLresult res;
|
|
|
|
buffer_size = 1024;
|
|
|
|
for (int i = 0; i < BUFFER_COUNT; i++) {
|
|
|
|
buffers[i] = memnew_arr(int16_t, buffer_size * 2);
|
|
memset(buffers[i], 0, buffer_size * 4);
|
|
}
|
|
|
|
mixdown_buffer = memnew_arr(int32_t, buffer_size * 2);
|
|
|
|
/* Callback context for the buffer queue callback function */
|
|
|
|
/* Get the SL Engine Interface which is implicit */
|
|
res = (*sl)->GetInterface(sl, SL_IID_ENGINE, (void *)&EngineItf);
|
|
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
/* Initialize arrays required[] and iidArray[] */
|
|
SLboolean required[MAX_NUMBER_INTERFACES];
|
|
SLInterfaceID iidArray[MAX_NUMBER_INTERFACES];
|
|
|
|
{
|
|
const SLInterfaceID ids[1] = { SL_IID_ENVIRONMENTALREVERB };
|
|
const SLboolean req[1] = { SL_BOOLEAN_FALSE };
|
|
res = (*EngineItf)->CreateOutputMix(EngineItf, &OutputMix, 0, ids, req);
|
|
}
|
|
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
// Realizing the Output Mix object in synchronous mode.
|
|
res = (*OutputMix)->Realize(OutputMix, SL_BOOLEAN_FALSE);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
|
|
SLDataLocator_AndroidSimpleBufferQueue loc_bufq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, BUFFER_COUNT };
|
|
//bufferQueue.locatorType = SL_DATALOCATOR_BUFFERQUEUE;
|
|
//bufferQueue.numBuffers = BUFFER_COUNT; /* Four buffers in our buffer queue */
|
|
/* Setup the format of the content in the buffer queue */
|
|
pcm.formatType = SL_DATAFORMAT_PCM;
|
|
pcm.numChannels = 2;
|
|
pcm.samplesPerSec = SL_SAMPLINGRATE_44_1;
|
|
pcm.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
|
|
pcm.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
|
|
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
|
|
#ifdef BIG_ENDIAN_ENABLED
|
|
pcm.endianness = SL_BYTEORDER_BIGENDIAN;
|
|
#else
|
|
pcm.endianness = SL_BYTEORDER_LITTLEENDIAN;
|
|
#endif
|
|
audioSource.pFormat = (void *)&pcm;
|
|
audioSource.pLocator = (void *)&loc_bufq;
|
|
|
|
/* Setup the data sink structure */
|
|
locator_outputmix.locatorType = SL_DATALOCATOR_OUTPUTMIX;
|
|
locator_outputmix.outputMix = OutputMix;
|
|
audioSink.pLocator = (void *)&locator_outputmix;
|
|
audioSink.pFormat = NULL;
|
|
/* Initialize the context for Buffer queue callbacks */
|
|
//cntxt.pDataBase = (void*)&pcmData;
|
|
//cntxt.pData = cntxt.pDataBase;
|
|
//cntxt.size = sizeof(pcmData);
|
|
/* Set arrays required[] and iidArray[] for SEEK interface
|
|
(PlayItf is implicit) */
|
|
required[0] = SL_BOOLEAN_TRUE;
|
|
iidArray[0] = SL_IID_BUFFERQUEUE;
|
|
/* Create the music player */
|
|
|
|
{
|
|
const SLInterfaceID ids[2] = { SL_IID_BUFFERQUEUE, SL_IID_EFFECTSEND };
|
|
const SLboolean req[2] = { SL_BOOLEAN_TRUE, SL_BOOLEAN_TRUE };
|
|
|
|
res = (*EngineItf)->CreateAudioPlayer(EngineItf, &player, &audioSource, &audioSink, 1, ids, req);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
}
|
|
/* Realizing the player in synchronous mode. */
|
|
res = (*player)->Realize(player, SL_BOOLEAN_FALSE);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
/* Get seek and play interfaces */
|
|
res = (*player)->GetInterface(player, SL_IID_PLAY, (void *)&playItf);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
res = (*player)->GetInterface(player, SL_IID_BUFFERQUEUE,
|
|
(void *)&bufferQueueItf);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
/* Setup to receive buffer queue event callbacks */
|
|
res = (*bufferQueueItf)->RegisterCallback(bufferQueueItf, _buffer_callbacks, this);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
|
|
last_free = 0;
|
|
|
|
//fill up buffers
|
|
for (int i = 0; i < BUFFER_COUNT; i++) {
|
|
/* Enqueue a few buffers to get the ball rolling */
|
|
res = (*bufferQueueItf)->Enqueue(bufferQueueItf, buffers[i], 4 * buffer_size); /* Size given in */
|
|
}
|
|
|
|
res = (*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PLAYING);
|
|
ERR_FAIL_COND(res != SL_RESULT_SUCCESS);
|
|
|
|
active = true;
|
|
}
|
|
|
|
int AudioDriverOpenSL::get_mix_rate() const {
|
|
|
|
return 44100;
|
|
}
|
|
|
|
AudioDriver::SpeakerMode AudioDriverOpenSL::get_speaker_mode() const {
|
|
|
|
return SPEAKER_MODE_STEREO;
|
|
}
|
|
|
|
void AudioDriverOpenSL::lock() {
|
|
|
|
if (active && mutex)
|
|
mutex->lock();
|
|
}
|
|
|
|
void AudioDriverOpenSL::unlock() {
|
|
|
|
if (active && mutex)
|
|
mutex->unlock();
|
|
}
|
|
|
|
void AudioDriverOpenSL::finish() {
|
|
|
|
(*sl)->Destroy(sl);
|
|
}
|
|
|
|
void AudioDriverOpenSL::set_pause(bool p_pause) {
|
|
|
|
pause = p_pause;
|
|
|
|
if (active) {
|
|
if (pause) {
|
|
(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PAUSED);
|
|
} else {
|
|
(*playItf)->SetPlayState(playItf, SL_PLAYSTATE_PLAYING);
|
|
}
|
|
}
|
|
}
|
|
|
|
AudioDriverOpenSL::AudioDriverOpenSL() {
|
|
s_ad = this;
|
|
mutex = Mutex::create(); //NULL;
|
|
pause = false;
|
|
}
|