mirror of https://github.com/dcoredump/dexed.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
623 lines
24 KiB
623 lines
24 KiB
11 years ago
|
/*
|
||
|
|
==============================================================================
|
||
|
|
|
||
|
|
This file is part of the JUCE library.
|
||
|
|
Copyright (c) 2013 - Raw Material Software Ltd.
|
||
|
|
|
||
|
|
Permission is granted to use this software under the terms of either:
|
||
|
|
a) the GPL v2 (or any later version)
|
||
|
|
b) the Affero GPL v3
|
||
|
|
|
||
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
||
|
|
|
||
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
||
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
||
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
||
|
|
|
||
|
|
------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
||
|
|
available: visit www.juce.com for more information.
|
||
|
|
|
||
|
|
==============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
const char* const openSLTypeName = "Android OpenSL";
|
||
|
|
|
||
|
|
bool isOpenSLAvailable()
|
||
|
|
{
|
||
|
|
DynamicLibrary library;
|
||
|
|
return library.open ("libOpenSLES.so");
|
||
|
|
}
|
||
|
|
|
||
|
|
const unsigned short openSLRates[] = { 8000, 16000, 32000, 44100, 48000 };
|
||
|
|
const unsigned short openSLBufferSizes[] = { 256, 512, 768, 1024, 1280, 1600 }; // must all be multiples of the block size
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
class OpenSLAudioIODevice : public AudioIODevice,
|
||
|
|
public Thread
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
OpenSLAudioIODevice (const String& deviceName)
|
||
|
|
: AudioIODevice (deviceName, openSLTypeName),
|
||
|
|
Thread ("OpenSL"),
|
||
|
|
callback (nullptr), sampleRate (0), deviceOpen (false),
|
||
|
|
inputBuffer (2, 2), outputBuffer (2, 2)
|
||
|
|
{
|
||
|
|
// OpenSL has piss-poor support for determining latency, so the only way I can find to
|
||
|
|
// get a number for this is by asking the AudioTrack/AudioRecord classes..
|
||
|
|
AndroidAudioIODevice javaDevice (String::empty);
|
||
|
|
|
||
|
|
// this is a total guess about how to calculate the latency, but seems to vaguely agree
|
||
|
|
// with the devices I've tested.. YMMV
|
||
|
|
inputLatency = ((javaDevice.minBufferSizeIn * 2) / 3);
|
||
|
|
outputLatency = ((javaDevice.minBufferSizeOut * 2) / 3);
|
||
|
|
|
||
|
|
const int longestLatency = jmax (inputLatency, outputLatency);
|
||
|
|
const int totalLatency = inputLatency + outputLatency;
|
||
|
|
inputLatency = ((longestLatency * inputLatency) / totalLatency) & ~15;
|
||
|
|
outputLatency = ((longestLatency * outputLatency) / totalLatency) & ~15;
|
||
|
|
}
|
||
|
|
|
||
|
|
~OpenSLAudioIODevice()
|
||
|
|
{
|
||
|
|
close();
|
||
|
|
}
|
||
|
|
|
||
|
|
bool openedOk() const { return engine.outputMixObject != nullptr; }
|
||
|
|
|
||
|
|
StringArray getOutputChannelNames()
|
||
|
|
{
|
||
|
|
StringArray s;
|
||
|
|
s.add ("Left");
|
||
|
|
s.add ("Right");
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
StringArray getInputChannelNames()
|
||
|
|
{
|
||
|
|
StringArray s;
|
||
|
|
s.add ("Audio Input");
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
int getNumSampleRates() { return numElementsInArray (openSLRates); }
|
||
|
|
|
||
|
|
double getSampleRate (int index)
|
||
|
|
{
|
||
|
|
jassert (index >= 0 && index < getNumSampleRates());
|
||
|
|
return (int) openSLRates [index];
|
||
|
|
}
|
||
|
|
|
||
|
|
int getDefaultBufferSize() { return 1024; }
|
||
|
|
int getNumBufferSizesAvailable() { return numElementsInArray (openSLBufferSizes); }
|
||
|
|
|
||
|
|
int getBufferSizeSamples (int index)
|
||
|
|
{
|
||
|
|
jassert (index >= 0 && index < getNumBufferSizesAvailable());
|
||
|
|
return (int) openSLBufferSizes [index];
|
||
|
|
}
|
||
|
|
|
||
|
|
String open (const BigInteger& inputChannels,
|
||
|
|
const BigInteger& outputChannels,
|
||
|
|
double requestedSampleRate,
|
||
|
|
int bufferSize)
|
||
|
|
{
|
||
|
|
close();
|
||
|
|
|
||
|
|
lastError = String::empty;
|
||
|
|
sampleRate = (int) requestedSampleRate;
|
||
|
|
|
||
|
|
int preferredBufferSize = (bufferSize <= 0) ? getDefaultBufferSize() : bufferSize;
|
||
|
|
|
||
|
|
activeOutputChans = outputChannels;
|
||
|
|
activeOutputChans.setRange (2, activeOutputChans.getHighestBit(), false);
|
||
|
|
numOutputChannels = activeOutputChans.countNumberOfSetBits();
|
||
|
|
|
||
|
|
activeInputChans = inputChannels;
|
||
|
|
activeInputChans.setRange (1, activeInputChans.getHighestBit(), false);
|
||
|
|
numInputChannels = activeInputChans.countNumberOfSetBits();
|
||
|
|
|
||
|
|
actualBufferSize = preferredBufferSize;
|
||
|
|
|
||
|
|
inputBuffer.setSize (jmax (1, numInputChannels), actualBufferSize);
|
||
|
|
outputBuffer.setSize (jmax (1, numOutputChannels), actualBufferSize);
|
||
|
|
outputBuffer.clear();
|
||
|
|
|
||
|
|
recorder = engine.createRecorder (numInputChannels, sampleRate);
|
||
|
|
player = engine.createPlayer (numOutputChannels, sampleRate);
|
||
|
|
|
||
|
|
startThread (8);
|
||
|
|
|
||
|
|
deviceOpen = true;
|
||
|
|
return lastError;
|
||
|
|
}
|
||
|
|
|
||
|
|
void close()
|
||
|
|
{
|
||
|
|
stop();
|
||
|
|
stopThread (6000);
|
||
|
|
deviceOpen = false;
|
||
|
|
recorder = nullptr;
|
||
|
|
player = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
int getOutputLatencyInSamples() { return outputLatency; }
|
||
|
|
int getInputLatencyInSamples() { return inputLatency; }
|
||
|
|
bool isOpen() { return deviceOpen; }
|
||
|
|
int getCurrentBufferSizeSamples() { return actualBufferSize; }
|
||
|
|
int getCurrentBitDepth() { return 16; }
|
||
|
|
double getCurrentSampleRate() { return sampleRate; }
|
||
|
|
BigInteger getActiveOutputChannels() const { return activeOutputChans; }
|
||
|
|
BigInteger getActiveInputChannels() const { return activeInputChans; }
|
||
|
|
String getLastError() { return lastError; }
|
||
|
|
bool isPlaying() { return callback != nullptr; }
|
||
|
|
|
||
|
|
void start (AudioIODeviceCallback* newCallback)
|
||
|
|
{
|
||
|
|
stop();
|
||
|
|
|
||
|
|
if (deviceOpen && callback != newCallback)
|
||
|
|
{
|
||
|
|
if (newCallback != nullptr)
|
||
|
|
newCallback->audioDeviceAboutToStart (this);
|
||
|
|
|
||
|
|
setCallback (newCallback);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void stop()
|
||
|
|
{
|
||
|
|
if (AudioIODeviceCallback* const oldCallback = setCallback (nullptr))
|
||
|
|
oldCallback->audioDeviceStopped();
|
||
|
|
}
|
||
|
|
|
||
|
|
void run() override
|
||
|
|
{
|
||
|
|
if (recorder != nullptr) recorder->start();
|
||
|
|
if (player != nullptr) player->start();
|
||
|
|
|
||
|
|
while (! threadShouldExit())
|
||
|
|
{
|
||
|
|
if (player != nullptr) player->writeBuffer (outputBuffer, *this);
|
||
|
|
if (recorder != nullptr) recorder->readNextBlock (inputBuffer, *this);
|
||
|
|
|
||
|
|
const ScopedLock sl (callbackLock);
|
||
|
|
|
||
|
|
if (callback != nullptr)
|
||
|
|
{
|
||
|
|
callback->audioDeviceIOCallback (numInputChannels > 0 ? (const float**) inputBuffer.getArrayOfChannels() : nullptr,
|
||
|
|
numInputChannels,
|
||
|
|
numOutputChannels > 0 ? outputBuffer.getArrayOfChannels() : nullptr,
|
||
|
|
numOutputChannels,
|
||
|
|
actualBufferSize);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
outputBuffer.clear();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
//==================================================================================================
|
||
|
|
CriticalSection callbackLock;
|
||
|
|
AudioIODeviceCallback* callback;
|
||
|
|
int actualBufferSize, sampleRate;
|
||
|
|
int inputLatency, outputLatency;
|
||
|
|
bool deviceOpen;
|
||
|
|
String lastError;
|
||
|
|
BigInteger activeOutputChans, activeInputChans;
|
||
|
|
int numInputChannels, numOutputChannels;
|
||
|
|
AudioSampleBuffer inputBuffer, outputBuffer;
|
||
|
|
struct Player;
|
||
|
|
struct Recorder;
|
||
|
|
|
||
|
|
AudioIODeviceCallback* setCallback (AudioIODeviceCallback* const newCallback)
|
||
|
|
{
|
||
|
|
const ScopedLock sl (callbackLock);
|
||
|
|
AudioIODeviceCallback* const oldCallback = callback;
|
||
|
|
callback = newCallback;
|
||
|
|
return oldCallback;
|
||
|
|
}
|
||
|
|
|
||
|
|
//==================================================================================================
|
||
|
|
struct Engine
|
||
|
|
{
|
||
|
|
Engine()
|
||
|
|
: engineObject (nullptr), engineInterface (nullptr), outputMixObject (nullptr)
|
||
|
|
{
|
||
|
|
if (library.open ("libOpenSLES.so"))
|
||
|
|
{
|
||
|
|
typedef SLresult (*CreateEngineFunc) (SLObjectItf*, SLuint32, const SLEngineOption*, SLuint32, const SLInterfaceID*, const SLboolean*);
|
||
|
|
|
||
|
|
if (CreateEngineFunc createEngine = (CreateEngineFunc) library.getFunction ("slCreateEngine"))
|
||
|
|
{
|
||
|
|
check (createEngine (&engineObject, 0, nullptr, 0, nullptr, nullptr));
|
||
|
|
|
||
|
|
SLInterfaceID* SL_IID_ENGINE = (SLInterfaceID*) library.getFunction ("SL_IID_ENGINE");
|
||
|
|
SL_IID_ANDROIDSIMPLEBUFFERQUEUE = (SLInterfaceID*) library.getFunction ("SL_IID_ANDROIDSIMPLEBUFFERQUEUE");
|
||
|
|
SL_IID_PLAY = (SLInterfaceID*) library.getFunction ("SL_IID_PLAY");
|
||
|
|
SL_IID_RECORD = (SLInterfaceID*) library.getFunction ("SL_IID_RECORD");
|
||
|
|
|
||
|
|
check ((*engineObject)->Realize (engineObject, SL_BOOLEAN_FALSE));
|
||
|
|
check ((*engineObject)->GetInterface (engineObject, *SL_IID_ENGINE, &engineInterface));
|
||
|
|
|
||
|
|
check ((*engineInterface)->CreateOutputMix (engineInterface, &outputMixObject, 0, nullptr, nullptr));
|
||
|
|
check ((*outputMixObject)->Realize (outputMixObject, SL_BOOLEAN_FALSE));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
~Engine()
|
||
|
|
{
|
||
|
|
if (outputMixObject != nullptr) (*outputMixObject)->Destroy (outputMixObject);
|
||
|
|
if (engineObject != nullptr) (*engineObject)->Destroy (engineObject);
|
||
|
|
}
|
||
|
|
|
||
|
|
Player* createPlayer (const int numChannels, const int sampleRate)
|
||
|
|
{
|
||
|
|
if (numChannels <= 0)
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
ScopedPointer<Player> player (new Player (numChannels, sampleRate, *this));
|
||
|
|
return player->openedOk() ? player.release() : nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
Recorder* createRecorder (const int numChannels, const int sampleRate)
|
||
|
|
{
|
||
|
|
if (numChannels <= 0)
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
ScopedPointer<Recorder> recorder (new Recorder (numChannels, sampleRate, *this));
|
||
|
|
return recorder->openedOk() ? recorder.release() : nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
SLObjectItf engineObject;
|
||
|
|
SLEngineItf engineInterface;
|
||
|
|
SLObjectItf outputMixObject;
|
||
|
|
|
||
|
|
SLInterfaceID* SL_IID_ANDROIDSIMPLEBUFFERQUEUE;
|
||
|
|
SLInterfaceID* SL_IID_PLAY;
|
||
|
|
SLInterfaceID* SL_IID_RECORD;
|
||
|
|
|
||
|
|
private:
|
||
|
|
DynamicLibrary library;
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Engine)
|
||
|
|
};
|
||
|
|
|
||
|
|
//==================================================================================================
|
||
|
|
struct BufferList
|
||
|
|
{
|
||
|
|
BufferList (const int numChannels_)
|
||
|
|
: numChannels (numChannels_), bufferSpace (numChannels_ * numSamples * numBuffers), nextBlock (0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
int16* waitForFreeBuffer (Thread& threadToCheck)
|
||
|
|
{
|
||
|
|
while (numBlocksOut.get() == numBuffers)
|
||
|
|
{
|
||
|
|
dataArrived.wait (1);
|
||
|
|
|
||
|
|
if (threadToCheck.threadShouldExit())
|
||
|
|
return nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return getNextBuffer();
|
||
|
|
}
|
||
|
|
|
||
|
|
int16* getNextBuffer()
|
||
|
|
{
|
||
|
|
if (++nextBlock == numBuffers)
|
||
|
|
nextBlock = 0;
|
||
|
|
|
||
|
|
return bufferSpace + nextBlock * numChannels * numSamples;
|
||
|
|
}
|
||
|
|
|
||
|
|
void bufferReturned() { --numBlocksOut; dataArrived.signal(); }
|
||
|
|
void bufferSent() { ++numBlocksOut; dataArrived.signal(); }
|
||
|
|
|
||
|
|
int getBufferSizeBytes() const { return numChannels * numSamples * sizeof (int16); }
|
||
|
|
|
||
|
|
const int numChannels;
|
||
|
|
enum { numSamples = 256, numBuffers = 16 };
|
||
|
|
|
||
|
|
private:
|
||
|
|
HeapBlock<int16> bufferSpace;
|
||
|
|
int nextBlock;
|
||
|
|
Atomic<int> numBlocksOut;
|
||
|
|
WaitableEvent dataArrived;
|
||
|
|
};
|
||
|
|
|
||
|
|
//==================================================================================================
|
||
|
|
struct Player
|
||
|
|
{
|
||
|
|
Player (int numChannels, int sampleRate, Engine& engine)
|
||
|
|
: playerObject (nullptr), playerPlay (nullptr), playerBufferQueue (nullptr),
|
||
|
|
bufferList (numChannels)
|
||
|
|
{
|
||
|
|
jassert (numChannels == 2);
|
||
|
|
|
||
|
|
SLDataFormat_PCM pcmFormat =
|
||
|
|
{
|
||
|
|
SL_DATAFORMAT_PCM,
|
||
|
|
numChannels,
|
||
|
|
sampleRate * 1000, // (sample rate units are millihertz)
|
||
|
|
SL_PCMSAMPLEFORMAT_FIXED_16,
|
||
|
|
SL_PCMSAMPLEFORMAT_FIXED_16,
|
||
|
|
SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT,
|
||
|
|
SL_BYTEORDER_LITTLEENDIAN
|
||
|
|
};
|
||
|
|
|
||
|
|
SLDataLocator_AndroidSimpleBufferQueue bufferQueue = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, bufferList.numBuffers };
|
||
|
|
SLDataSource audioSrc = { &bufferQueue, &pcmFormat };
|
||
|
|
|
||
|
|
SLDataLocator_OutputMix outputMix = { SL_DATALOCATOR_OUTPUTMIX, engine.outputMixObject };
|
||
|
|
SLDataSink audioSink = { &outputMix, nullptr };
|
||
|
|
|
||
|
|
// (SL_IID_BUFFERQUEUE is not guaranteed to remain future-proof, so use SL_IID_ANDROIDSIMPLEBUFFERQUEUE)
|
||
|
|
const SLInterfaceID interfaceIDs[] = { *engine.SL_IID_ANDROIDSIMPLEBUFFERQUEUE };
|
||
|
|
const SLboolean flags[] = { SL_BOOLEAN_TRUE };
|
||
|
|
|
||
|
|
check ((*engine.engineInterface)->CreateAudioPlayer (engine.engineInterface, &playerObject, &audioSrc, &audioSink,
|
||
|
|
1, interfaceIDs, flags));
|
||
|
|
|
||
|
|
check ((*playerObject)->Realize (playerObject, SL_BOOLEAN_FALSE));
|
||
|
|
check ((*playerObject)->GetInterface (playerObject, *engine.SL_IID_PLAY, &playerPlay));
|
||
|
|
check ((*playerObject)->GetInterface (playerObject, *engine.SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &playerBufferQueue));
|
||
|
|
check ((*playerBufferQueue)->RegisterCallback (playerBufferQueue, staticCallback, this));
|
||
|
|
}
|
||
|
|
|
||
|
|
~Player()
|
||
|
|
{
|
||
|
|
if (playerPlay != nullptr)
|
||
|
|
check ((*playerPlay)->SetPlayState (playerPlay, SL_PLAYSTATE_STOPPED));
|
||
|
|
|
||
|
|
if (playerBufferQueue != nullptr)
|
||
|
|
check ((*playerBufferQueue)->Clear (playerBufferQueue));
|
||
|
|
|
||
|
|
if (playerObject != nullptr)
|
||
|
|
(*playerObject)->Destroy (playerObject);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool openedOk() const noexcept { return playerBufferQueue != nullptr; }
|
||
|
|
|
||
|
|
void start()
|
||
|
|
{
|
||
|
|
jassert (openedOk());
|
||
|
|
check ((*playerPlay)->SetPlayState (playerPlay, SL_PLAYSTATE_PLAYING));
|
||
|
|
}
|
||
|
|
|
||
|
|
void writeBuffer (const AudioSampleBuffer& buffer, Thread& thread)
|
||
|
|
{
|
||
|
|
jassert (buffer.getNumChannels() == bufferList.numChannels);
|
||
|
|
jassert (buffer.getNumSamples() < bufferList.numSamples * bufferList.numBuffers);
|
||
|
|
|
||
|
|
int offset = 0;
|
||
|
|
int numSamples = buffer.getNumSamples();
|
||
|
|
|
||
|
|
while (numSamples > 0)
|
||
|
|
{
|
||
|
|
int16* const destBuffer = bufferList.waitForFreeBuffer (thread);
|
||
|
|
|
||
|
|
if (destBuffer == nullptr)
|
||
|
|
break;
|
||
|
|
|
||
|
|
for (int i = 0; i < bufferList.numChannels; ++i)
|
||
|
|
{
|
||
|
|
typedef AudioData::Pointer <AudioData::Int16, AudioData::LittleEndian, AudioData::Interleaved, AudioData::NonConst> DstSampleType;
|
||
|
|
typedef AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::Const> SrcSampleType;
|
||
|
|
|
||
|
|
DstSampleType dstData (destBuffer + i, bufferList.numChannels);
|
||
|
|
SrcSampleType srcData (buffer.getSampleData (i, offset));
|
||
|
|
dstData.convertSamples (srcData, bufferList.numSamples);
|
||
|
|
}
|
||
|
|
|
||
|
|
check ((*playerBufferQueue)->Enqueue (playerBufferQueue, destBuffer, bufferList.getBufferSizeBytes()));
|
||
|
|
bufferList.bufferSent();
|
||
|
|
|
||
|
|
numSamples -= bufferList.numSamples;
|
||
|
|
offset += bufferList.numSamples;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
SLObjectItf playerObject;
|
||
|
|
SLPlayItf playerPlay;
|
||
|
|
SLAndroidSimpleBufferQueueItf playerBufferQueue;
|
||
|
|
|
||
|
|
BufferList bufferList;
|
||
|
|
|
||
|
|
static void staticCallback (SLAndroidSimpleBufferQueueItf queue, void* context)
|
||
|
|
{
|
||
|
|
jassert (queue == static_cast <Player*> (context)->playerBufferQueue); (void) queue;
|
||
|
|
static_cast <Player*> (context)->bufferList.bufferReturned();
|
||
|
|
}
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Player)
|
||
|
|
};
|
||
|
|
|
||
|
|
//==================================================================================================
|
||
|
|
struct Recorder
|
||
|
|
{
|
||
|
|
Recorder (int numChannels, int sampleRate, Engine& engine)
|
||
|
|
: recorderObject (nullptr), recorderRecord (nullptr), recorderBufferQueue (nullptr),
|
||
|
|
bufferList (numChannels)
|
||
|
|
{
|
||
|
|
jassert (numChannels == 1); // STEREO doesn't always work!!
|
||
|
|
|
||
|
|
SLDataFormat_PCM pcmFormat =
|
||
|
|
{
|
||
|
|
SL_DATAFORMAT_PCM,
|
||
|
|
numChannels,
|
||
|
|
sampleRate * 1000, // (sample rate units are millihertz)
|
||
|
|
SL_PCMSAMPLEFORMAT_FIXED_16,
|
||
|
|
SL_PCMSAMPLEFORMAT_FIXED_16,
|
||
|
|
(numChannels == 1) ? SL_SPEAKER_FRONT_CENTER : (SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT),
|
||
|
|
SL_BYTEORDER_LITTLEENDIAN
|
||
|
|
};
|
||
|
|
|
||
|
|
SLDataLocator_IODevice ioDevice = { SL_DATALOCATOR_IODEVICE, SL_IODEVICE_AUDIOINPUT, SL_DEFAULTDEVICEID_AUDIOINPUT, nullptr };
|
||
|
|
SLDataSource audioSrc = { &ioDevice, nullptr };
|
||
|
|
|
||
|
|
SLDataLocator_AndroidSimpleBufferQueue bufferQueue = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, bufferList.numBuffers };
|
||
|
|
SLDataSink audioSink = { &bufferQueue, &pcmFormat };
|
||
|
|
|
||
|
|
const SLInterfaceID interfaceIDs[] = { *engine.SL_IID_ANDROIDSIMPLEBUFFERQUEUE };
|
||
|
|
const SLboolean flags[] = { SL_BOOLEAN_TRUE };
|
||
|
|
|
||
|
|
if (check ((*engine.engineInterface)->CreateAudioRecorder (engine.engineInterface, &recorderObject, &audioSrc,
|
||
|
|
&audioSink, 1, interfaceIDs, flags)))
|
||
|
|
{
|
||
|
|
if (check ((*recorderObject)->Realize (recorderObject, SL_BOOLEAN_FALSE)))
|
||
|
|
{
|
||
|
|
check ((*recorderObject)->GetInterface (recorderObject, *engine.SL_IID_RECORD, &recorderRecord));
|
||
|
|
check ((*recorderObject)->GetInterface (recorderObject, *engine.SL_IID_ANDROIDSIMPLEBUFFERQUEUE, &recorderBufferQueue));
|
||
|
|
check ((*recorderBufferQueue)->RegisterCallback (recorderBufferQueue, staticCallback, this));
|
||
|
|
check ((*recorderRecord)->SetRecordState (recorderRecord, SL_RECORDSTATE_STOPPED));
|
||
|
|
|
||
|
|
for (int i = bufferList.numBuffers; --i >= 0;)
|
||
|
|
{
|
||
|
|
int16* const buffer = bufferList.getNextBuffer();
|
||
|
|
jassert (buffer != nullptr);
|
||
|
|
enqueueBuffer (buffer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
~Recorder()
|
||
|
|
{
|
||
|
|
if (recorderRecord != nullptr)
|
||
|
|
check ((*recorderRecord)->SetRecordState (recorderRecord, SL_RECORDSTATE_STOPPED));
|
||
|
|
|
||
|
|
if (recorderBufferQueue != nullptr)
|
||
|
|
check ((*recorderBufferQueue)->Clear (recorderBufferQueue));
|
||
|
|
|
||
|
|
if (recorderObject != nullptr)
|
||
|
|
(*recorderObject)->Destroy (recorderObject);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool openedOk() const noexcept { return recorderBufferQueue != nullptr; }
|
||
|
|
|
||
|
|
void start()
|
||
|
|
{
|
||
|
|
jassert (openedOk());
|
||
|
|
check ((*recorderRecord)->SetRecordState (recorderRecord, SL_RECORDSTATE_RECORDING));
|
||
|
|
}
|
||
|
|
|
||
|
|
void readNextBlock (AudioSampleBuffer& buffer, Thread& thread)
|
||
|
|
{
|
||
|
|
jassert (buffer.getNumChannels() == bufferList.numChannels);
|
||
|
|
jassert (buffer.getNumSamples() < bufferList.numSamples * bufferList.numBuffers);
|
||
|
|
jassert ((buffer.getNumSamples() % bufferList.numSamples) == 0);
|
||
|
|
|
||
|
|
int offset = 0;
|
||
|
|
int numSamples = buffer.getNumSamples();
|
||
|
|
|
||
|
|
while (numSamples > 0)
|
||
|
|
{
|
||
|
|
int16* const srcBuffer = bufferList.waitForFreeBuffer (thread);
|
||
|
|
|
||
|
|
if (srcBuffer == nullptr)
|
||
|
|
break;
|
||
|
|
|
||
|
|
for (int i = 0; i < bufferList.numChannels; ++i)
|
||
|
|
{
|
||
|
|
typedef AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::NonConst> DstSampleType;
|
||
|
|
typedef AudioData::Pointer <AudioData::Int16, AudioData::LittleEndian, AudioData::Interleaved, AudioData::Const> SrcSampleType;
|
||
|
|
|
||
|
|
DstSampleType dstData (buffer.getSampleData (i, offset));
|
||
|
|
SrcSampleType srcData (srcBuffer + i, bufferList.numChannels);
|
||
|
|
dstData.convertSamples (srcData, bufferList.numSamples);
|
||
|
|
}
|
||
|
|
|
||
|
|
enqueueBuffer (srcBuffer);
|
||
|
|
|
||
|
|
numSamples -= bufferList.numSamples;
|
||
|
|
offset += bufferList.numSamples;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
SLObjectItf recorderObject;
|
||
|
|
SLRecordItf recorderRecord;
|
||
|
|
SLAndroidSimpleBufferQueueItf recorderBufferQueue;
|
||
|
|
|
||
|
|
BufferList bufferList;
|
||
|
|
|
||
|
|
void enqueueBuffer (int16* buffer)
|
||
|
|
{
|
||
|
|
check ((*recorderBufferQueue)->Enqueue (recorderBufferQueue, buffer, bufferList.getBufferSizeBytes()));
|
||
|
|
bufferList.bufferSent();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void staticCallback (SLAndroidSimpleBufferQueueItf queue, void* context)
|
||
|
|
{
|
||
|
|
jassert (queue == static_cast <Recorder*> (context)->recorderBufferQueue); (void) queue;
|
||
|
|
static_cast <Recorder*> (context)->bufferList.bufferReturned();
|
||
|
|
}
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Recorder)
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
Engine engine;
|
||
|
|
|
||
|
|
ScopedPointer<Player> player;
|
||
|
|
ScopedPointer<Recorder> recorder;
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
static bool check (const SLresult result)
|
||
|
|
{
|
||
|
|
jassert (result == SL_RESULT_SUCCESS);
|
||
|
|
return result == SL_RESULT_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OpenSLAudioIODevice)
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
class OpenSLAudioDeviceType : public AudioIODeviceType
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
OpenSLAudioDeviceType() : AudioIODeviceType (openSLTypeName) {}
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
void scanForDevices() {}
|
||
|
|
StringArray getDeviceNames (bool wantInputNames) const { return StringArray (openSLTypeName); }
|
||
|
|
int getDefaultDeviceIndex (bool forInput) const { return 0; }
|
||
|
|
int getIndexOfDevice (AudioIODevice* device, bool asInput) const { return device != nullptr ? 0 : -1; }
|
||
|
|
bool hasSeparateInputsAndOutputs() const { return false; }
|
||
|
|
|
||
|
|
AudioIODevice* createDevice (const String& outputDeviceName,
|
||
|
|
const String& inputDeviceName)
|
||
|
|
{
|
||
|
|
ScopedPointer<OpenSLAudioIODevice> dev;
|
||
|
|
|
||
|
|
if (outputDeviceName.isNotEmpty() || inputDeviceName.isNotEmpty())
|
||
|
|
{
|
||
|
|
dev = new OpenSLAudioIODevice (outputDeviceName.isNotEmpty() ? outputDeviceName
|
||
|
|
: inputDeviceName);
|
||
|
|
if (! dev->openedOk())
|
||
|
|
dev = nullptr;
|
||
|
|
}
|
||
|
|
|
||
|
|
return dev.release();
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OpenSLAudioDeviceType)
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//==============================================================================
|
||
|
|
AudioIODeviceType* AudioIODeviceType::createAudioIODeviceType_OpenSLES()
|
||
|
|
{
|
||
|
|
return isOpenSLAvailable() ? new OpenSLAudioDeviceType() : nullptr;
|
||
|
|
}
|