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Work on full-duplex support for OpenSL.

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This commit is contained in:
David Reid
2019-02-16 08:47:31 +10:00
parent fc9cee7697
commit 31329a65eb
1 changed files with 327 additions and 270 deletions
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mini_al.h
+327 -270
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@@ -2216,10 +2216,12 @@ MAL_ALIGNED_STRUCT(MAL_SIMD_ALIGNMENT) mal_device
/*SLPlayItf*/ mal_ptr pAudioPlayer;
/*SLObjectItf*/ mal_ptr pAudioRecorderObj;
/*SLRecordItf*/ mal_ptr pAudioRecorder;
/*SLAndroidSimpleBufferQueueItf*/ mal_ptr pBufferQueue;
mal_uint32 periodSizeInFrames;
mal_uint32 currentBufferIndex;
mal_uint8* pBuffer; // This is malloc()'d and is used for storing audio data. Typed as mal_uint8 for easy offsetting.
/*SLAndroidSimpleBufferQueueItf*/ mal_ptr pBufferQueuePlayback;
/*SLAndroidSimpleBufferQueueItf*/ mal_ptr pBufferQueueCapture;
mal_uint32 currentBufferIndexPlayback;
mal_uint32 currentBufferIndexCapture;
mal_uint8* pBufferPlayback; // This is malloc()'d and is used for storing audio data. Typed as mal_uint8 for easy offsetting.
mal_uint8* pBufferCapture;
} opensl;
#endif
#ifdef MAL_SUPPORT_WEBAUDIO
@@ -19939,21 +19941,14 @@ return_detailed_info:
#ifdef MAL_ANDROID
//void mal_buffer_queue_callback__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, SLuint32 eventFlags, const void* pBuffer, SLuint32 bufferSize, SLuint32 dataUsed, void* pContext)
void mal_buffer_queue_callback__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, void* pUserData)
//void mal_buffer_queue_callback_capture__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, SLuint32 eventFlags, const void* pBuffer, SLuint32 bufferSize, SLuint32 dataUsed, void* pContext)
void mal_buffer_queue_callback_capture__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, void* pUserData)
{
(void)pBufferQueue;
// For now, only supporting Android implementations of OpenSL|ES since that's the only one I've
// been able to test with and I currently depend on Android-specific extensions (simple buffer
// queues).
#ifndef MAL_ANDROID
return MAL_NO_BACKEND;
#endif
mal_device* pDevice = (mal_device*)pUserData;
mal_assert(pDevice != NULL);
(void)pBufferQueue;
// For now, don't do anything unless the buffer was fully processed. From what I can tell, it looks like
// OpenSL|ES 1.1 improves on buffer queues to the point that we could much more intelligently handle this,
// but unfortunately it looks like Android is only supporting OpenSL|ES 1.0.1 for now :(
@@ -19963,26 +19958,50 @@ void mal_buffer_queue_callback__opensl_android(SLAndroidSimpleBufferQueueItf pBu
return;
}
size_t periodSizeInBytes = pDevice->opensl.periodSizeInFrames * mal_get_bytes_per_frame(pDevice->internalFormat, pDevice->internalChannels);
mal_uint8* pBuffer = pDevice->opensl.pBuffer + (pDevice->opensl.currentBufferIndex * periodSizeInBytes);
size_t periodSizeInBytes = (pDevice->capture.internalBufferSizeInFrames / pDevice->capture.internalPeriods) * mal_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
mal_uint8* pBuffer = pDevice->opensl.pBufferCapture + (pDevice->opensl.currentBufferIndexCapture * periodSizeInBytes);
if (pDevice->type == mal_device_type_playback) {
mal_device__read_frames_from_client(pDevice, pDevice->opensl.periodSizeInFrames, pBuffer);
SLresult resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
if (pDevice->type == mal_device_type_duplex) {
/* TODO: Write data to the ring buffer. */
} else {
mal_device__send_frames_to_client(pDevice, pDevice->opensl.periodSizeInFrames, pBuffer);
SLresult resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
mal_device__send_frames_to_client(pDevice, (pDevice->capture.internalBufferSizeInFrames / pDevice->capture.internalPeriods), pBuffer);
}
pDevice->opensl.currentBufferIndex = (pDevice->opensl.currentBufferIndex + 1) % pDevice->periods;
SLresult resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
pDevice->opensl.currentBufferIndexCapture = (pDevice->opensl.currentBufferIndexCapture + 1) % pDevice->capture.internalPeriods;
}
void mal_buffer_queue_callback_playback__opensl_android(SLAndroidSimpleBufferQueueItf pBufferQueue, void* pUserData)
{
mal_device* pDevice = (mal_device*)pUserData;
mal_assert(pDevice != NULL);
(void)pBufferQueue;
/* Don't do anything if the device is not started. */
if (pDevice->state != MAL_STATE_STARTED) {
return;
}
size_t periodSizeInBytes = (pDevice->playback.internalBufferSizeInFrames / pDevice->playback.internalPeriods) * mal_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
mal_uint8* pBuffer = pDevice->opensl.pBufferPlayback + (pDevice->opensl.currentBufferIndexPlayback * periodSizeInBytes);
if (pDevice->type == mal_device_type_duplex) {
/* TOOD: Read from the ring buffer and fire the callback. */
} else {
mal_device__read_frames_from_client(pDevice, (pDevice->playback.internalBufferSizeInFrames / pDevice->playback.internalPeriods), pBuffer);
}
SLresult resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, pBuffer, periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
return;
}
pDevice->opensl.currentBufferIndexPlayback = (pDevice->opensl.currentBufferIndexPlayback + 1) % pDevice->playback.internalPeriods;
}
#endif
@@ -19995,21 +20014,118 @@ void mal_device_uninit__opensl(mal_device* pDevice)
return;
}
// Uninit device.
if (pDevice->type == mal_device_type_playback) {
if (pDevice->type == mal_device_type_capture || pDevice->type == mal_device_type_duplex) {
if (pDevice->opensl.pAudioRecorderObj) {
MAL_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->Destroy((SLObjectItf)pDevice->opensl.pAudioRecorderObj);
}
mal_free(pDevice->opensl.pBufferCapture);
}
if (pDevice->type == mal_device_type_playback || pDevice->type == mal_device_type_duplex) {
if (pDevice->opensl.pAudioPlayerObj) {
MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->Destroy((SLObjectItf)pDevice->opensl.pAudioPlayerObj);
}
if (pDevice->opensl.pOutputMixObj) {
MAL_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->Destroy((SLObjectItf)pDevice->opensl.pOutputMixObj);
}
mal_free(pDevice->opensl.pBufferPlayback);
}
}
#if defined(MAL_ANDROID) && __ANDROID_API__ >= 21
typedef SLAndroidDataFormat_PCM_EX mal_SLDataFormat_PCM;
#else
typedef SLDataFormat_PCM mal_SLDataFormat_PCM;
#endif
mal_result mal_SLDataFormat_PCM_init__opensl(mal_format format, mal_uint32 channels, mal_uint32 sampleRate, const mal_channel* channelMap, mal_SLDataFormat_PCM* pDataFormat)
{
#if defined(MAL_ANDROID) && __ANDROID_API__ >= 21
if (format == mal_format_f32) {
pDataFormat->formatType = SL_ANDROID_DATAFORMAT_PCM_EX;
pDataFormat->representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
} else {
if (pDevice->opensl.pAudioRecorderObj) {
MAL_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->Destroy((SLObjectItf)pDevice->opensl.pAudioRecorderObj);
pDataFormat->formatType = SL_DATAFORMAT_PCM;
}
#else
pDataFormat->formatType = SL_DATAFORMAT_PCM;
#endif
pDataFormat->numChannels = channels;
((SLDataFormat_PCM*)pDataFormat)->samplesPerSec = mal_round_to_standard_sample_rate__opensl(sampleRate * 1000); /* In millihertz. Annoyingly, the sample rate variable is named differently between SLAndroidDataFormat_PCM_EX and SLDataFormat_PCM */
pDataFormat->bitsPerSample = mal_get_bytes_per_sample(format)*8;
pDataFormat->channelMask = mal_channel_map_to_channel_mask__opensl(channelMap, channels);
pDataFormat->endianness = (mal_is_little_endian()) ? SL_BYTEORDER_LITTLEENDIAN : SL_BYTEORDER_BIGENDIAN;
/*
Android has a few restrictions on the format as documented here: https://developer.android.com/ndk/guides/audio/opensl-for-android.html
- Only mono and stereo is supported.
- Only u8 and s16 formats are supported.
- Maximum sample rate of 48000.
*/
#ifdef MAL_ANDROID
if (pDataFormat->numChannels > 2) {
pDataFormat->numChannels = 2;
}
#if __ANDROID_API__ >= 21
if (pDataFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
/* It's floating point. */
mal_assert(pDataFormat->representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
if (pDataFormat->bitsPerSample > 32) {
pDataFormat->bitsPerSample = 32;
}
} else {
if (pDataFormat->bitsPerSample > 16) {
pDataFormat->bitsPerSample = 16;
}
}
#else
if (pDataFormat->bitsPerSample > 16) {
pDataFormat->bitsPerSample = 16;
}
#endif
if (((SLDataFormat_PCM*)pDataFormat)->samplesPerSec > SL_SAMPLINGRATE_48) {
((SLDataFormat_PCM*)pDataFormat)->samplesPerSec = SL_SAMPLINGRATE_48;
}
#endif
pDataFormat->containerSize = pDataFormat->bitsPerSample; /* Always tightly packed for now. */
return MAL_SUCCESS;
}
mal_result mal_deconstruct_SLDataFormat_PCM__opensl(mal_SLDataFormat_PCM* pDataFormat, mal_format* pFormat, mal_uint32* pChannels, mal_uint32* pSampleRate, mal_channel* pChannelMap)
{
mal_bool32 isFloatingPoint = MAL_FALSE;
#if defined(MAL_ANDROID) && __ANDROID_API__ >= 21
if (pDataFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
mal_assert(pDataFormat->representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
isFloatingPoint = MAL_TRUE;
}
#endif
if (isFloatingPoint) {
if (pDataFormat->bitsPerSample == 32) {
*pFormat = mal_format_f32;
}
} else {
if (pDataFormat->bitsPerSample == 8) {
*pFormat = mal_format_u8;
} else if (pDataFormat->bitsPerSample == 16) {
*pFormat = mal_format_s16;
} else if (pDataFormat->bitsPerSample == 24) {
*pFormat = mal_format_s24;
} else if (pDataFormat->bitsPerSample == 32) {
*pFormat = mal_format_s32;
}
}
mal_free(pDevice->opensl.pBuffer);
*pChannels = pDataFormat->numChannels;
*pSampleRate = ((SLDataFormat_PCM*)pDataFormat)->samplesPerSec / 1000;
mal_channel_mask_to_channel_map__opensl(pDataFormat->channelMask, pDataFormat->numChannels, pChannelMap);
return MAL_SUCCESS;
}
mal_result mal_device_init__opensl(mal_context* pContext, const mal_device_config* pConfig, mal_device* pDevice)
@@ -20021,30 +20137,22 @@ mal_result mal_device_init__opensl(mal_context* pContext, const mal_device_confi
return MAL_INVALID_OPERATION;
}
// For now, only supporting Android implementations of OpenSL|ES since that's the only one I've
// been able to test with and I currently depend on Android-specific extensions (simple buffer
// queues).
/*
For now, only supporting Android implementations of OpenSL|ES since that's the only one I've
been able to test with and I currently depend on Android-specific extensions (simple buffer
queues).
*/
#ifndef MAL_ANDROID
return MAL_NO_BACKEND;
#endif
/* Full-duplex is not yet implemented. */
if (pConfig->deviceType == mal_device_type_duplex) {
return MAL_INVALID_ARGS;
}
/* No exclusive mode with OpenSL|ES. */
if (((pConfig->deviceType == mal_device_type_playback || pConfig->deviceType == mal_device_type_duplex) && pConfig->playback.shareMode == mal_share_mode_exclusive) ||
((pConfig->deviceType == mal_device_type_capture || pConfig->deviceType == mal_device_type_duplex) && pConfig->capture.shareMode == mal_share_mode_exclusive)) {
return MAL_SHARE_MODE_NOT_SUPPORTED;
}
// Use s32 as the internal format for when floating point is specified.
if (pConfig->format == mal_format_f32) {
pDevice->internalFormat = mal_format_s32;
}
// Now we can start initializing the device properly.
/* Now we can start initializing the device properly. */
mal_assert(pDevice != NULL);
mal_zero_object(&pDevice->opensl);
@@ -20052,162 +20160,36 @@ mal_result mal_device_init__opensl(mal_context* pContext, const mal_device_confi
queue.locatorType = SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE;
queue.numBuffers = pConfig->periods;
SLDataFormat_PCM* pFormat = NULL;
#if defined(MAL_ANDROID) && __ANDROID_API__ >= 21
SLAndroidDataFormat_PCM_EX pcmEx;
if (pDevice->format == mal_format_f32 /*|| pDevice->format == mal_format_f64*/) {
pcmEx.formatType = SL_ANDROID_DATAFORMAT_PCM_EX;
pcmEx.representation = SL_ANDROID_PCM_REPRESENTATION_FLOAT;
} else {
pcmEx.formatType = SL_DATAFORMAT_PCM;
}
pFormat = (SLDataFormat_PCM*)&pcmEx;
#else
SLDataFormat_PCM pcm;
pcm.formatType = SL_DATAFORMAT_PCM;
pFormat = &pcm;
#endif
if (pConfig->deviceType == mal_device_type_capture || pConfig->deviceType == mal_device_type_duplex) {
mal_SLDataFormat_PCM pcm;
mal_SLDataFormat_PCM_init__opensl(pConfig->capture.format, pConfig->capture.channels, pConfig->sampleRate, pConfig->capture.channelMap, &pcm);
pFormat->numChannels = pDevice->channels;
pFormat->samplesPerSec = mal_round_to_standard_sample_rate__opensl(pDevice->sampleRate * 1000); // In millihertz.
pFormat->bitsPerSample = mal_get_bytes_per_sample(pDevice->format)*8;
pFormat->containerSize = pFormat->bitsPerSample; // Always tightly packed for now.
pFormat->channelMask = mal_channel_map_to_channel_mask__opensl(pConfig->channelMap, pFormat->numChannels);
pFormat->endianness = (mal_is_little_endian()) ? SL_BYTEORDER_LITTLEENDIAN : SL_BYTEORDER_BIGENDIAN;
// Android has a few restrictions on the format as documented here: https://developer.android.com/ndk/guides/audio/opensl-for-android.html
// - Only mono and stereo is supported.
// - Only u8 and s16 formats are supported.
// - Maximum sample rate of 48000.
#ifdef MAL_ANDROID
if (pFormat->numChannels > 2) {
pFormat->numChannels = 2;
}
#if __ANDROID_API__ >= 21
if (pFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
// It's floating point.
mal_assert(pcmEx.representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
if (pFormat->bitsPerSample > 32) {
pFormat->bitsPerSample = 32;
}
} else {
if (pFormat->bitsPerSample > 16) {
pFormat->bitsPerSample = 16;
}
}
#else
if (pFormat->bitsPerSample > 16) {
pFormat->bitsPerSample = 16;
}
#endif
pFormat->containerSize = pFormat->bitsPerSample; // Always tightly packed for now.
if (pFormat->samplesPerSec > SL_SAMPLINGRATE_48) {
pFormat->samplesPerSec = SL_SAMPLINGRATE_48;
}
#endif
if (pConfig->deviceType == mal_device_type_playback) {
SLresult resultSL = (*g_malEngineSL)->CreateOutputMix(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pOutputMixObj, 0, NULL, NULL);
if (resultSL != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to create output mix.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->Realize((SLObjectItf)pDevice->opensl.pOutputMixObj, SL_BOOLEAN_FALSE)) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize output mix object.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->GetInterface((SLObjectItf)pDevice->opensl.pOutputMixObj, SL_IID_OUTPUTMIX, &pDevice->opensl.pOutputMix) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_OUTPUTMIX interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
// Set the output device.
if (pConfig->pDeviceID != NULL) {
SLuint32 deviceID_OpenSL = pConfig->pDeviceID->opensl;
MAL_OPENSL_OUTPUTMIX(pDevice->opensl.pOutputMix)->ReRoute((SLOutputMixItf)pDevice->opensl.pOutputMix, 1, &deviceID_OpenSL);
}
SLDataSource source;
source.pLocator = &queue;
source.pFormat = pFormat;
SLDataLocator_OutputMix outmixLocator;
outmixLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
outmixLocator.outputMix = (SLObjectItf)pDevice->opensl.pOutputMixObj;
SLDataSink sink;
sink.pLocator = &outmixLocator;
sink.pFormat = NULL;
const SLInterfaceID itfIDs1[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean itfIDsRequired1[] = {SL_BOOLEAN_TRUE};
resultSL = (*g_malEngineSL)->CreateAudioPlayer(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
if (resultSL == SL_RESULT_CONTENT_UNSUPPORTED) {
// Unsupported format. Fall back to something safer and try again. If this fails, just abort.
pFormat->formatType = SL_DATAFORMAT_PCM;
pFormat->numChannels = 2;
pFormat->samplesPerSec = SL_SAMPLINGRATE_16;
pFormat->bitsPerSample = 16;
pFormat->containerSize = pFormat->bitsPerSample; // Always tightly packed for now.
pFormat->channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
resultSL = (*g_malEngineSL)->CreateAudioPlayer(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
}
if (resultSL != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to create audio player.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->Realize((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_BOOLEAN_FALSE) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize audio player.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_IID_PLAY, &pDevice->opensl.pAudioPlayer) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_PLAY interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueue) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_ANDROIDSIMPLEBUFFERQUEUE interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, mal_buffer_queue_callback__opensl_android, pDevice) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to register buffer queue callback.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
} else {
SLDataLocator_IODevice locatorDevice;
locatorDevice.locatorType = SL_DATALOCATOR_IODEVICE;
locatorDevice.deviceType = SL_IODEVICE_AUDIOINPUT;
locatorDevice.deviceID = (pConfig->pDeviceID == NULL) ? SL_DEFAULTDEVICEID_AUDIOINPUT : pConfig->pDeviceID->opensl;
locatorDevice.device = NULL;
locatorDevice.deviceType = SL_IODEVICE_AUDIOINPUT;
locatorDevice.deviceID = (pConfig->capture.pDeviceID == NULL) ? SL_DEFAULTDEVICEID_AUDIOINPUT : pConfig->capture.pDeviceID->opensl;
locatorDevice.device = NULL;
SLDataSource source;
source.pLocator = &locatorDevice;
source.pFormat = NULL;
source.pFormat = NULL;
SLDataSink sink;
sink.pLocator = &queue;
sink.pFormat = pFormat;
sink.pFormat = (SLDataFormat_PCM*)&pcm;
const SLInterfaceID itfIDs1[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean itfIDsRequired1[] = {SL_BOOLEAN_TRUE};
SLresult resultSL = (*g_malEngineSL)->CreateAudioRecorder(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioRecorderObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
if (resultSL == SL_RESULT_CONTENT_UNSUPPORTED) {
// Unsupported format. Fall back to something safer and try again. If this fails, just abort.
pFormat->formatType = SL_DATAFORMAT_PCM;
pFormat->numChannels = 1;
pFormat->samplesPerSec = SL_SAMPLINGRATE_16;
pFormat->bitsPerSample = 16;
pFormat->containerSize = pFormat->bitsPerSample; // Always tightly packed for now.
pFormat->channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
/* Unsupported format. Fall back to something safer and try again. If this fails, just abort. */
pcm.formatType = SL_DATAFORMAT_PCM;
pcm.numChannels = 1;
((SLDataFormat_PCM*)&pcm)->samplesPerSec = SL_SAMPLINGRATE_16; /* The name of the sample rate variable is different between SLAndroidDataFormat_PCM_EX and SLDataFormat_PCM. */
pcm.bitsPerSample = 16;
pcm.containerSize = pcm.bitsPerSample; /* Always tightly packed for now. */
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
resultSL = (*g_malEngineSL)->CreateAudioRecorder(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioRecorderObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
}
@@ -20226,69 +20208,135 @@ mal_result mal_device_init__opensl(mal_context* pContext, const mal_device_confi
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_RECORD interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioRecorderObj, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueue) != SL_RESULT_SUCCESS) {
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioRecorderObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioRecorderObj, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueueCapture) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_ANDROIDSIMPLEBUFFERQUEUE interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, mal_buffer_queue_callback__opensl_android, pDevice) != SL_RESULT_SUCCESS) {
if (MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, mal_buffer_queue_callback_capture__opensl_android, pDevice) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to register buffer queue callback.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
}
/* The internal format is determined by the "pcm" object. */
mal_deconstruct_SLDataFormat_PCM__opensl(&pcm, &pDevice->capture.internalFormat, &pDevice->capture.internalChannels, &pDevice->capture.internalSampleRate, pDevice->capture.internalChannelMap);
// The internal format is determined by the pFormat object.
mal_bool32 isFloatingPoint = MAL_FALSE;
#if defined(MAL_ANDROID) && __ANDROID_API__ >= 21
if (pFormat->formatType == SL_ANDROID_DATAFORMAT_PCM_EX) {
mal_assert(pcmEx.representation == SL_ANDROID_PCM_REPRESENTATION_FLOAT);
isFloatingPoint = MAL_TRUE;
}
#endif
if (isFloatingPoint) {
if (pFormat->bitsPerSample == 32) {
pDevice->internalFormat = mal_format_f32;
/* Buffer. */
mal_uint32 bufferSizeInFrames = pConfig->bufferSizeInFrames;
if (bufferSizeInFrames == 0) {
bufferSizeInFrames = mal_calculate_buffer_size_in_frames_from_milliseconds(pConfig->bufferSizeInMilliseconds, pDevice->capture.internalSampleRate);
}
#if 0
if (pFormat->bitsPerSample == 64) {
pDevice->internalFormat = mal_format_f64;
pDevice->capture.internalPeriods = pConfig->periods;
pDevice->capture.internalBufferSizeInFrames = (bufferSizeInFrames / pDevice->capture.internalPeriods) * pDevice->capture.internalPeriods;
pDevice->opensl.currentBufferIndexCapture = 0;
size_t bufferSizeInBytes = pDevice->capture.internalBufferSizeInFrames * mal_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
pDevice->opensl.pBufferCapture = (mal_uint8*)mal_malloc(bufferSizeInBytes);
if (pDevice->opensl.pBufferCapture == NULL) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to allocate memory for data buffer.", MAL_OUT_OF_MEMORY);
}
#endif
} else {
if (pFormat->bitsPerSample == 8) {
pDevice->internalFormat = mal_format_u8;
} else if (pFormat->bitsPerSample == 16) {
pDevice->internalFormat = mal_format_s16;
} else if (pFormat->bitsPerSample == 24) {
pDevice->internalFormat = mal_format_s24;
} else if (pFormat->bitsPerSample == 32) {
pDevice->internalFormat = mal_format_s32;
MAL_ZERO_MEMORY(pDevice->opensl.pBufferCapture, bufferSizeInBytes);
}
if (pConfig->deviceType == mal_device_type_playback || pConfig->deviceType == mal_device_type_duplex) {
mal_SLDataFormat_PCM pcm;
mal_SLDataFormat_PCM_init__opensl(pConfig->playback.format, pConfig->playback.channels, pConfig->sampleRate, pConfig->playback.channelMap, &pcm);
SLresult resultSL = (*g_malEngineSL)->CreateOutputMix(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pOutputMixObj, 0, NULL, NULL);
if (resultSL != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to create output mix.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->Realize((SLObjectItf)pDevice->opensl.pOutputMixObj, SL_BOOLEAN_FALSE)) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize output mix object.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pOutputMixObj)->GetInterface((SLObjectItf)pDevice->opensl.pOutputMixObj, SL_IID_OUTPUTMIX, &pDevice->opensl.pOutputMix) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_OUTPUTMIX interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
/* Set the output device. */
if (pConfig->playback.pDeviceID != NULL) {
SLuint32 deviceID_OpenSL = pConfig->playback.pDeviceID->opensl;
MAL_OPENSL_OUTPUTMIX(pDevice->opensl.pOutputMix)->ReRoute((SLOutputMixItf)pDevice->opensl.pOutputMix, 1, &deviceID_OpenSL);
}
SLDataSource source;
source.pLocator = &queue;
source.pFormat = (SLDataFormat_PCM*)&pcm;
SLDataLocator_OutputMix outmixLocator;
outmixLocator.locatorType = SL_DATALOCATOR_OUTPUTMIX;
outmixLocator.outputMix = (SLObjectItf)pDevice->opensl.pOutputMixObj;
SLDataSink sink;
sink.pLocator = &outmixLocator;
sink.pFormat = NULL;
const SLInterfaceID itfIDs1[] = {SL_IID_ANDROIDSIMPLEBUFFERQUEUE};
const SLboolean itfIDsRequired1[] = {SL_BOOLEAN_TRUE};
resultSL = (*g_malEngineSL)->CreateAudioPlayer(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
if (resultSL == SL_RESULT_CONTENT_UNSUPPORTED) {
/* Unsupported format. Fall back to something safer and try again. If this fails, just abort. */
pcm.formatType = SL_DATAFORMAT_PCM;
pcm.numChannels = 2;
((SLDataFormat_PCM*)&pcm)->samplesPerSec = SL_SAMPLINGRATE_16;
pcm.bitsPerSample = 16;
pcm.containerSize = pcm.bitsPerSample; /* Always tightly packed for now. */
pcm.channelMask = SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT;
resultSL = (*g_malEngineSL)->CreateAudioPlayer(g_malEngineSL, (SLObjectItf*)&pDevice->opensl.pAudioPlayerObj, &source, &sink, 1, itfIDs1, itfIDsRequired1);
}
if (resultSL != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to create audio player.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->Realize((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_BOOLEAN_FALSE) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to realize audio player.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_IID_PLAY, &pDevice->opensl.pAudioPlayer) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_PLAY interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_OBJ(pDevice->opensl.pAudioPlayerObj)->GetInterface((SLObjectItf)pDevice->opensl.pAudioPlayerObj, SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &pDevice->opensl.pBufferQueuePlayback) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to retrieve SL_IID_ANDROIDSIMPLEBUFFERQUEUE interface.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
if (MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->RegisterCallback((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, mal_buffer_queue_callback_playback__opensl_android, pDevice) != SL_RESULT_SUCCESS) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to register buffer queue callback.", MAL_FAILED_TO_OPEN_BACKEND_DEVICE);
}
/* The internal format is determined by the "pcm" object. */
mal_deconstruct_SLDataFormat_PCM__opensl(&pcm, &pDevice->playback.internalFormat, &pDevice->playback.internalChannels, &pDevice->playback.internalSampleRate, pDevice->playback.internalChannelMap);
/* Buffer. */
mal_uint32 bufferSizeInFrames = pConfig->bufferSizeInFrames;
if (bufferSizeInFrames == 0) {
bufferSizeInFrames = mal_calculate_buffer_size_in_frames_from_milliseconds(pConfig->bufferSizeInMilliseconds, pDevice->playback.internalSampleRate);
}
pDevice->playback.internalPeriods = pConfig->periods;
pDevice->playback.internalBufferSizeInFrames = (bufferSizeInFrames / pDevice->playback.internalPeriods) * pDevice->playback.internalPeriods;
pDevice->opensl.currentBufferIndexPlayback = 0;
size_t bufferSizeInBytes = pDevice->playback.internalBufferSizeInFrames * mal_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
pDevice->opensl.pBufferPlayback = (mal_uint8*)mal_malloc(bufferSizeInBytes);
if (pDevice->opensl.pBufferPlayback == NULL) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to allocate memory for data buffer.", MAL_OUT_OF_MEMORY);
}
MAL_ZERO_MEMORY(pDevice->opensl.pBufferPlayback, bufferSizeInBytes);
}
pDevice->internalChannels = pFormat->numChannels;
pDevice->internalSampleRate = pFormat->samplesPerSec / 1000;
mal_channel_mask_to_channel_map__opensl(pFormat->channelMask, pDevice->internalChannels, pDevice->internalChannelMap);
// Try calculating an appropriate default buffer size.
if (pDevice->bufferSizeInFrames == 0) {
pDevice->bufferSizeInFrames = mal_calculate_buffer_size_in_frames_from_milliseconds(pDevice->bufferSizeInMilliseconds, pDevice->internalSampleRate);
}
pDevice->opensl.currentBufferIndex = 0;
pDevice->opensl.periodSizeInFrames = pDevice->bufferSizeInFrames / pConfig->periods;
pDevice->bufferSizeInFrames = pDevice->opensl.periodSizeInFrames * pConfig->periods;
size_t bufferSizeInBytes = pDevice->bufferSizeInFrames * pDevice->internalChannels * mal_get_bytes_per_sample(pDevice->internalFormat);
pDevice->opensl.pBuffer = (mal_uint8*)mal_malloc(bufferSizeInBytes);
if (pDevice->opensl.pBuffer == NULL) {
mal_device_uninit__opensl(pDevice);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to allocate memory for data buffer.", MAL_OUT_OF_MEMORY);
}
mal_zero_memory(pDevice->opensl.pBuffer, bufferSizeInBytes);
return MAL_SUCCESS;
}
@@ -20301,32 +20349,15 @@ mal_result mal_device_start__opensl(mal_device* pDevice)
return MAL_INVALID_OPERATION;
}
if (pDevice->type == mal_device_type_playback) {
SLresult resultSL = MAL_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_PLAYING);
if (resultSL != SL_RESULT_SUCCESS) {
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to start internal playback device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
}
// We need to enqueue a buffer for each period.
mal_device__read_frames_from_client(pDevice, pDevice->bufferSizeInFrames, pDevice->opensl.pBuffer);
size_t periodSizeInBytes = pDevice->opensl.periodSizeInFrames * pDevice->internalChannels * mal_get_bytes_per_sample(pDevice->internalFormat);
for (mal_uint32 iPeriod = 0; iPeriod < pDevice->periods; ++iPeriod) {
resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, pDevice->opensl.pBuffer + (periodSizeInBytes * iPeriod), periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
MAL_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_STOPPED);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to enqueue buffer for playback device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
}
}
} else {
if (pDevice->type == mal_device_type_capture || pDevice->type == mal_device_type_duplex) {
SLresult resultSL = MAL_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_RECORDING);
if (resultSL != SL_RESULT_SUCCESS) {
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to start internal capture device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
}
size_t periodSizeInBytes = pDevice->opensl.periodSizeInFrames * pDevice->internalChannels * mal_get_bytes_per_sample(pDevice->internalFormat);
for (mal_uint32 iPeriod = 0; iPeriod < pDevice->periods; ++iPeriod) {
resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue, pDevice->opensl.pBuffer + (periodSizeInBytes * iPeriod), periodSizeInBytes);
size_t periodSizeInBytes = (pDevice->capture.internalBufferSizeInFrames / pDevice->capture.internalPeriods) * mal_get_bytes_per_frame(pDevice->capture.internalFormat, pDevice->capture.internalChannels);
for (mal_uint32 iPeriod = 0; iPeriod < pDevice->capture.internalPeriods; ++iPeriod) {
resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture, pDevice->opensl.pBufferCapture + (periodSizeInBytes * iPeriod), periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
MAL_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_STOPPED);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to enqueue buffer for capture device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
@@ -20334,6 +20365,29 @@ mal_result mal_device_start__opensl(mal_device* pDevice)
}
}
if (pDevice->type == mal_device_type_playback || pDevice->type == mal_device_type_duplex) {
SLresult resultSL = MAL_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_PLAYING);
if (resultSL != SL_RESULT_SUCCESS) {
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to start internal playback device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
}
/* In playback mode (no duplex) we need to load some initial buffers. In duplex mode we need to enqueu silent buffers. */
if (pDevice->type == mal_device_type_duplex) {
MAL_ZERO_MEMORY(pDevice->opensl.pBufferPlayback, pDevice->playback.internalBufferSizeInFrames * mal_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels));
} else {
mal_device__read_frames_from_client(pDevice, pDevice->playback.internalBufferSizeInFrames, pDevice->opensl.pBufferPlayback);
}
size_t periodSizeInBytes = (pDevice->playback.internalBufferSizeInFrames / pDevice->playback.internalPeriods) * mal_get_bytes_per_frame(pDevice->playback.internalFormat, pDevice->playback.internalChannels);
for (mal_uint32 iPeriod = 0; iPeriod < pDevice->playback.internalPeriods; ++iPeriod) {
resultSL = MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Enqueue((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback, pDevice->opensl.pBufferPlayback + (periodSizeInBytes * iPeriod), periodSizeInBytes);
if (resultSL != SL_RESULT_SUCCESS) {
MAL_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_STOPPED);
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to enqueue buffer for playback device.", MAL_FAILED_TO_START_BACKEND_DEVICE);
}
}
}
return MAL_SUCCESS;
}
@@ -20348,22 +20402,25 @@ mal_result mal_device_stop__opensl(mal_device* pDevice)
/* TODO: Wait until all buffers have been processed. Hint: Maybe SLAndroidSimpleBufferQueue::GetState() could be used in a loop? */
if (pDevice->type == mal_device_type_playback) {
if (pDevice->type == mal_device_type_capture || pDevice->type == mal_device_type_duplex) {
SLresult resultSL = MAL_OPENSL_PLAY(pDevice->opensl.pAudioPlayer)->SetPlayState((SLPlayItf)pDevice->opensl.pAudioPlayer, SL_PLAYSTATE_STOPPED);
if (resultSL != SL_RESULT_SUCCESS) {
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to stop internal playback device.", MAL_FAILED_TO_STOP_BACKEND_DEVICE);
}
} else {
MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueueCapture)->Clear((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueueCapture);
}
if (pDevice->type == mal_device_type_playback || pDevice->type == mal_device_type_duplex) {
SLresult resultSL = MAL_OPENSL_RECORD(pDevice->opensl.pAudioRecorder)->SetRecordState((SLRecordItf)pDevice->opensl.pAudioRecorder, SL_RECORDSTATE_STOPPED);
if (resultSL != SL_RESULT_SUCCESS) {
return mal_post_error(pDevice, MAL_LOG_LEVEL_ERROR, "[OpenSL] Failed to stop internal capture device.", MAL_FAILED_TO_STOP_BACKEND_DEVICE);
}
MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueuePlayback)->Clear((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueuePlayback);
}
// Make sure any queued buffers are cleared.
MAL_OPENSL_BUFFERQUEUE(pDevice->opensl.pBufferQueue)->Clear((SLAndroidSimpleBufferQueueItf)pDevice->opensl.pBufferQueue);
// Make sure the client is aware that the device has stopped. There may be an OpenSL|ES callback for this, but I haven't found it.
/* Make sure the client is aware that the device has stopped. There may be an OpenSL|ES callback for this, but I haven't found it. */
mal_stop_proc onStop = pDevice->onStop;
if (onStop) {
onStop(pDevice);
@@ -20379,7 +20436,7 @@ mal_result mal_context_uninit__opensl(mal_context* pContext)
mal_assert(pContext->backend == mal_backend_opensl);
(void)pContext;
// Uninit global data.
/* Uninit global data. */
if (g_malOpenSLInitCounter > 0) {
if (mal_atomic_decrement_32(&g_malOpenSLInitCounter) == 0) {
(*g_malEngineObjectSL)->Destroy(g_malEngineObjectSL);
@@ -20394,7 +20451,7 @@ mal_result mal_context_init__opensl(mal_context* pContext)
mal_assert(pContext != NULL);
(void)pContext;
// Initialize global data first if applicable.
/* Initialize global data first if applicable. */
if (mal_atomic_increment_32(&g_malOpenSLInitCounter) == 1) {
SLresult resultSL = slCreateEngine(&g_malEngineObjectSL, 0, NULL, 0, NULL, NULL);
if (resultSL != SL_RESULT_SUCCESS) {
@@ -20425,7 +20482,7 @@ mal_result mal_context_init__opensl(mal_context* pContext)
return MAL_SUCCESS;
}
#endif // OpenSL|ES
#endif /* OpenSL|ES */
///////////////////////////////////////////////////////////////////////////////