mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-26 11:48:55 +01:00
395 lines
14 KiB
C++
Vendored
395 lines
14 KiB
C++
Vendored
/* Copyright 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <cassert>
|
|
#include <android/log.h>
|
|
|
|
|
|
#include <SLES/OpenSLES.h>
|
|
#include <SLES/OpenSLES_Android.h>
|
|
#include "oboe_oboe_AudioStream_android.h"
|
|
#include "oboe_common_AudioClock_android.h"
|
|
|
|
#include "oboe_common_OboeDebug_android.h"
|
|
#include "oboe_oboe_AudioStreamBuilder_android.h"
|
|
#include "oboe_opensles_AudioStreamOpenSLES_android.h"
|
|
#include "oboe_opensles_OpenSLESUtilities_android.h"
|
|
|
|
using namespace oboe;
|
|
|
|
AudioStreamOpenSLES::AudioStreamOpenSLES(const AudioStreamBuilder &builder)
|
|
: AudioStreamBuffered(builder) {
|
|
// OpenSL ES does not support device IDs. So overwrite value from builder.
|
|
mDeviceId = kUnspecified;
|
|
// OpenSL ES does not support session IDs. So overwrite value from builder.
|
|
mSessionId = SessionId::None;
|
|
}
|
|
|
|
static constexpr int32_t kHighLatencyBufferSizeMillis = 20; // typical Android period
|
|
static constexpr SLuint32 kAudioChannelCountMax = 30; // TODO Why 30?
|
|
static constexpr SLuint32 SL_ANDROID_UNKNOWN_CHANNELMASK = 0; // Matches name used internally.
|
|
|
|
SLuint32 AudioStreamOpenSLES::channelCountToChannelMaskDefault(int channelCount) const {
|
|
if (channelCount > kAudioChannelCountMax) {
|
|
return SL_ANDROID_UNKNOWN_CHANNELMASK;
|
|
}
|
|
|
|
SLuint32 bitfield = (1 << channelCount) - 1;
|
|
|
|
// Check for OS at run-time.
|
|
if(getSdkVersion() >= __ANDROID_API_N__) {
|
|
return SL_ANDROID_MAKE_INDEXED_CHANNEL_MASK(bitfield);
|
|
}
|
|
|
|
// Indexed channels masks were added in N.
|
|
// For before N, the best we can do is use a positional channel mask.
|
|
return bitfield;
|
|
}
|
|
|
|
static bool s_isLittleEndian() {
|
|
static uint32_t value = 1;
|
|
return (*reinterpret_cast<uint8_t *>(&value) == 1); // Does address point to LSB?
|
|
}
|
|
|
|
SLuint32 AudioStreamOpenSLES::getDefaultByteOrder() {
|
|
return s_isLittleEndian() ? SL_BYTEORDER_LITTLEENDIAN : SL_BYTEORDER_BIGENDIAN;
|
|
}
|
|
|
|
Result AudioStreamOpenSLES::open() {
|
|
|
|
LOGI("AudioStreamOpenSLES::open() chans=%d, rate=%d", mChannelCount, mSampleRate);
|
|
|
|
SLresult result = EngineOpenSLES::getInstance().open();
|
|
if (SL_RESULT_SUCCESS != result) {
|
|
return Result::ErrorInternal;
|
|
}
|
|
|
|
Result oboeResult = AudioStreamBuffered::open();
|
|
if (oboeResult != Result::OK) {
|
|
return oboeResult;
|
|
}
|
|
// Convert to defaults if UNSPECIFIED
|
|
if (mSampleRate == kUnspecified) {
|
|
mSampleRate = DefaultStreamValues::SampleRate;
|
|
}
|
|
if (mChannelCount == kUnspecified) {
|
|
mChannelCount = DefaultStreamValues::ChannelCount;
|
|
}
|
|
|
|
mSharingMode = SharingMode::Shared;
|
|
|
|
return Result::OK;
|
|
}
|
|
|
|
Result AudioStreamOpenSLES::configureBufferSizes(int32_t sampleRate) {
|
|
LOGD("AudioStreamOpenSLES:%s(%d) initial mFramesPerBurst = %d, mFramesPerCallback = %d",
|
|
__func__, sampleRate, mFramesPerBurst, mFramesPerCallback);
|
|
// Decide frames per burst based on hints from caller.
|
|
if (mFramesPerCallback != kUnspecified) {
|
|
// Requested framesPerCallback must be honored.
|
|
mFramesPerBurst = mFramesPerCallback;
|
|
} else {
|
|
mFramesPerBurst = DefaultStreamValues::FramesPerBurst;
|
|
|
|
// Calculate the size of a fixed duration high latency buffer based on sample rate.
|
|
int32_t framesPerHighLatencyBuffer =
|
|
(kHighLatencyBufferSizeMillis * sampleRate) / kMillisPerSecond;
|
|
|
|
// For high latency streams, use a larger buffer size.
|
|
// Performance Mode support was added in N_MR1 (7.1)
|
|
if (getSdkVersion() >= __ANDROID_API_N_MR1__
|
|
&& mPerformanceMode != PerformanceMode::LowLatency
|
|
&& mFramesPerBurst < framesPerHighLatencyBuffer) {
|
|
// Find a multiple of framesPerBurst >= framesPerHighLatencyBuffer.
|
|
int32_t numBursts = (framesPerHighLatencyBuffer + mFramesPerBurst - 1) / mFramesPerBurst;
|
|
mFramesPerBurst *= numBursts;
|
|
LOGD("AudioStreamOpenSLES:%s() NOT low latency, set mFramesPerBurst = %d",
|
|
__func__, mFramesPerBurst);
|
|
}
|
|
mFramesPerCallback = mFramesPerBurst;
|
|
}
|
|
LOGD("AudioStreamOpenSLES:%s(%d) final mFramesPerBurst = %d, mFramesPerCallback = %d",
|
|
__func__, sampleRate, mFramesPerBurst, mFramesPerCallback);
|
|
|
|
mBytesPerCallback = mFramesPerCallback * getBytesPerFrame();
|
|
if (mBytesPerCallback <= 0) {
|
|
LOGE("AudioStreamOpenSLES::open() bytesPerCallback < 0 = %d, bad format?",
|
|
mBytesPerCallback);
|
|
return Result::ErrorInvalidFormat; // causing bytesPerFrame == 0
|
|
}
|
|
|
|
mCallbackBuffer = std::make_unique<uint8_t[]>(mBytesPerCallback);
|
|
|
|
if (!usingFIFO()) {
|
|
mBufferCapacityInFrames = mFramesPerBurst * kBufferQueueLength;
|
|
// Check for overflow.
|
|
if (mBufferCapacityInFrames <= 0) {
|
|
mBufferCapacityInFrames = 0;
|
|
LOGE("AudioStreamOpenSLES::open() numeric overflow because mFramesPerBurst = %d",
|
|
mFramesPerBurst);
|
|
return Result::ErrorOutOfRange;
|
|
}
|
|
mBufferSizeInFrames = mBufferCapacityInFrames;
|
|
}
|
|
|
|
return Result::OK;
|
|
}
|
|
|
|
SLuint32 AudioStreamOpenSLES::convertPerformanceMode(PerformanceMode oboeMode) const {
|
|
SLuint32 openslMode = SL_ANDROID_PERFORMANCE_NONE;
|
|
switch(oboeMode) {
|
|
case PerformanceMode::None:
|
|
openslMode = SL_ANDROID_PERFORMANCE_NONE;
|
|
break;
|
|
case PerformanceMode::LowLatency:
|
|
openslMode = (getSessionId() == SessionId::None) ? SL_ANDROID_PERFORMANCE_LATENCY : SL_ANDROID_PERFORMANCE_LATENCY_EFFECTS;
|
|
break;
|
|
case PerformanceMode::PowerSaving:
|
|
openslMode = SL_ANDROID_PERFORMANCE_POWER_SAVING;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return openslMode;
|
|
}
|
|
|
|
PerformanceMode AudioStreamOpenSLES::convertPerformanceMode(SLuint32 openslMode) const {
|
|
PerformanceMode oboeMode = PerformanceMode::None;
|
|
switch(openslMode) {
|
|
case SL_ANDROID_PERFORMANCE_NONE:
|
|
oboeMode = PerformanceMode::None;
|
|
break;
|
|
case SL_ANDROID_PERFORMANCE_LATENCY:
|
|
case SL_ANDROID_PERFORMANCE_LATENCY_EFFECTS:
|
|
oboeMode = PerformanceMode::LowLatency;
|
|
break;
|
|
case SL_ANDROID_PERFORMANCE_POWER_SAVING:
|
|
oboeMode = PerformanceMode::PowerSaving;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return oboeMode;
|
|
}
|
|
|
|
void AudioStreamOpenSLES::logUnsupportedAttributes() {
|
|
// Log unsupported attributes
|
|
// only report if changed from the default
|
|
|
|
// Device ID
|
|
if (mDeviceId != kUnspecified) {
|
|
LOGW("Device ID [AudioStreamBuilder::setDeviceId()] "
|
|
"is not supported on OpenSLES streams.");
|
|
}
|
|
// Sharing Mode
|
|
if (mSharingMode != SharingMode::Shared) {
|
|
LOGW("SharingMode [AudioStreamBuilder::setSharingMode()] "
|
|
"is not supported on OpenSLES streams.");
|
|
}
|
|
// Performance Mode
|
|
int sdkVersion = getSdkVersion();
|
|
if (mPerformanceMode != PerformanceMode::None && sdkVersion < __ANDROID_API_N_MR1__) {
|
|
LOGW("PerformanceMode [AudioStreamBuilder::setPerformanceMode()] "
|
|
"is not supported on OpenSLES streams running on pre-Android N-MR1 versions.");
|
|
}
|
|
// Content Type
|
|
if (mContentType != ContentType::Music) {
|
|
LOGW("ContentType [AudioStreamBuilder::setContentType()] "
|
|
"is not supported on OpenSLES streams.");
|
|
}
|
|
|
|
// Session Id
|
|
if (mSessionId != SessionId::None) {
|
|
LOGW("SessionId [AudioStreamBuilder::setSessionId()] "
|
|
"is not supported on OpenSLES streams.");
|
|
}
|
|
}
|
|
|
|
SLresult AudioStreamOpenSLES::configurePerformanceMode(SLAndroidConfigurationItf configItf) {
|
|
|
|
if (configItf == nullptr) {
|
|
LOGW("%s() called with NULL configuration", __func__);
|
|
mPerformanceMode = PerformanceMode::None;
|
|
return SL_RESULT_INTERNAL_ERROR;
|
|
}
|
|
if (getSdkVersion() < __ANDROID_API_N_MR1__) {
|
|
LOGW("%s() not supported until N_MR1", __func__);
|
|
mPerformanceMode = PerformanceMode::None;
|
|
return SL_RESULT_SUCCESS;
|
|
}
|
|
|
|
SLresult result = SL_RESULT_SUCCESS;
|
|
SLuint32 performanceMode = convertPerformanceMode(getPerformanceMode());
|
|
result = (*configItf)->SetConfiguration(configItf, SL_ANDROID_KEY_PERFORMANCE_MODE,
|
|
&performanceMode, sizeof(performanceMode));
|
|
if (SL_RESULT_SUCCESS != result) {
|
|
LOGW("SetConfiguration(PERFORMANCE_MODE, SL %u) returned %s",
|
|
performanceMode, getSLErrStr(result));
|
|
mPerformanceMode = PerformanceMode::None;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
SLresult AudioStreamOpenSLES::updateStreamParameters(SLAndroidConfigurationItf configItf) {
|
|
SLresult result = SL_RESULT_SUCCESS;
|
|
if(getSdkVersion() >= __ANDROID_API_N_MR1__ && configItf != nullptr) {
|
|
SLuint32 performanceMode = 0;
|
|
SLuint32 performanceModeSize = sizeof(performanceMode);
|
|
result = (*configItf)->GetConfiguration(configItf, SL_ANDROID_KEY_PERFORMANCE_MODE,
|
|
&performanceModeSize, &performanceMode);
|
|
// A bug in GetConfiguration() before P caused a wrong result code to be returned.
|
|
if (getSdkVersion() <= __ANDROID_API_O_MR1__) {
|
|
result = SL_RESULT_SUCCESS; // Ignore actual result before P.
|
|
}
|
|
|
|
if (SL_RESULT_SUCCESS != result) {
|
|
LOGW("GetConfiguration(SL_ANDROID_KEY_PERFORMANCE_MODE) returned %d", result);
|
|
mPerformanceMode = PerformanceMode::None; // If we can't query it then assume None.
|
|
} else {
|
|
mPerformanceMode = convertPerformanceMode(performanceMode); // convert SL to Oboe mode
|
|
}
|
|
} else {
|
|
mPerformanceMode = PerformanceMode::None; // If we can't query it then assume None.
|
|
}
|
|
return result;
|
|
}
|
|
|
|
// This is called under mLock.
|
|
Result AudioStreamOpenSLES::close_l() {
|
|
if (mState == StreamState::Closed) {
|
|
return Result::ErrorClosed;
|
|
}
|
|
|
|
AudioStreamBuffered::close();
|
|
|
|
onBeforeDestroy();
|
|
|
|
if (mObjectInterface != nullptr) {
|
|
(*mObjectInterface)->Destroy(mObjectInterface);
|
|
mObjectInterface = nullptr;
|
|
}
|
|
|
|
onAfterDestroy();
|
|
|
|
mSimpleBufferQueueInterface = nullptr;
|
|
EngineOpenSLES::getInstance().close();
|
|
|
|
setState(StreamState::Closed);
|
|
return Result::OK;
|
|
}
|
|
|
|
SLresult AudioStreamOpenSLES::enqueueCallbackBuffer(SLAndroidSimpleBufferQueueItf bq) {
|
|
return (*bq)->Enqueue(bq, mCallbackBuffer.get(), mBytesPerCallback);
|
|
}
|
|
|
|
int32_t AudioStreamOpenSLES::getBufferDepth(SLAndroidSimpleBufferQueueItf bq) {
|
|
SLAndroidSimpleBufferQueueState queueState;
|
|
SLresult result = (*bq)->GetState(bq, &queueState);
|
|
return (result == SL_RESULT_SUCCESS) ? queueState.count : -1;
|
|
}
|
|
|
|
void AudioStreamOpenSLES::processBufferCallback(SLAndroidSimpleBufferQueueItf bq) {
|
|
bool stopStream = false;
|
|
// Ask the app callback to process the buffer.
|
|
DataCallbackResult result = fireDataCallback(mCallbackBuffer.get(), mFramesPerCallback);
|
|
if (result == DataCallbackResult::Continue) {
|
|
// Pass the buffer to OpenSLES.
|
|
SLresult enqueueResult = enqueueCallbackBuffer(bq);
|
|
if (enqueueResult != SL_RESULT_SUCCESS) {
|
|
LOGE("%s() returned %d", __func__, enqueueResult);
|
|
stopStream = true;
|
|
}
|
|
// Update Oboe client position with frames handled by the callback.
|
|
if (getDirection() == Direction::Input) {
|
|
mFramesRead += mFramesPerCallback;
|
|
} else {
|
|
mFramesWritten += mFramesPerCallback;
|
|
}
|
|
} else if (result == DataCallbackResult::Stop) {
|
|
LOGD("Oboe callback returned Stop");
|
|
stopStream = true;
|
|
} else {
|
|
LOGW("Oboe callback returned unexpected value = %d", result);
|
|
stopStream = true;
|
|
}
|
|
if (stopStream) {
|
|
requestStop();
|
|
}
|
|
}
|
|
|
|
// This callback handler is called every time a buffer has been processed by OpenSL ES.
|
|
static void bqCallbackGlue(SLAndroidSimpleBufferQueueItf bq, void *context) {
|
|
(reinterpret_cast<AudioStreamOpenSLES *>(context))->processBufferCallback(bq);
|
|
}
|
|
|
|
SLresult AudioStreamOpenSLES::registerBufferQueueCallback() {
|
|
// The BufferQueue
|
|
SLresult result = (*mObjectInterface)->GetInterface(mObjectInterface, SL_IID_ANDROIDSIMPLEBUFFERQUEUE,
|
|
&mSimpleBufferQueueInterface);
|
|
if (SL_RESULT_SUCCESS != result) {
|
|
LOGE("get buffer queue interface:%p result:%s",
|
|
mSimpleBufferQueueInterface,
|
|
getSLErrStr(result));
|
|
} else {
|
|
// Register the BufferQueue callback
|
|
result = (*mSimpleBufferQueueInterface)->RegisterCallback(mSimpleBufferQueueInterface,
|
|
bqCallbackGlue, this);
|
|
if (SL_RESULT_SUCCESS != result) {
|
|
LOGE("RegisterCallback result:%s", getSLErrStr(result));
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int64_t AudioStreamOpenSLES::getFramesProcessedByServer() {
|
|
updateServiceFrameCounter();
|
|
int64_t millis64 = mPositionMillis.get();
|
|
int64_t framesProcessed = millis64 * getSampleRate() / kMillisPerSecond;
|
|
return framesProcessed;
|
|
}
|
|
|
|
Result AudioStreamOpenSLES::waitForStateChange(StreamState currentState,
|
|
StreamState *nextState,
|
|
int64_t timeoutNanoseconds) {
|
|
Result oboeResult = Result::ErrorTimeout;
|
|
int64_t sleepTimeNanos = 20 * kNanosPerMillisecond; // arbitrary
|
|
int64_t timeLeftNanos = timeoutNanoseconds;
|
|
|
|
while (true) {
|
|
const StreamState state = getState(); // this does not require a lock
|
|
if (nextState != nullptr) {
|
|
*nextState = state;
|
|
}
|
|
if (currentState != state) { // state changed?
|
|
oboeResult = Result::OK;
|
|
break;
|
|
}
|
|
|
|
// Did we timeout or did user ask for non-blocking?
|
|
if (timeLeftNanos <= 0) {
|
|
break;
|
|
}
|
|
|
|
if (sleepTimeNanos > timeLeftNanos){
|
|
sleepTimeNanos = timeLeftNanos;
|
|
}
|
|
AudioClock::sleepForNanos(sleepTimeNanos);
|
|
timeLeftNanos -= sleepTimeNanos;
|
|
}
|
|
|
|
return oboeResult;
|
|
}
|