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-rw-r--r--src/plugins/opensles/qopenslesengine.cpp369
1 files changed, 0 insertions, 369 deletions
diff --git a/src/plugins/opensles/qopenslesengine.cpp b/src/plugins/opensles/qopenslesengine.cpp
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index 36025dcfd..000000000
--- a/src/plugins/opensles/qopenslesengine.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qopenslesengine.h"
-
-#include "qopenslesaudioinput.h"
-#include <qdebug.h>
-
-#ifdef ANDROID
-#include <SLES/OpenSLES_Android.h>
-#include <QtCore/private/qjnihelpers_p.h>
-#include <QtCore/private/qjni_p.h>
-#endif
-
-#define MINIMUM_PERIOD_TIME_MS 5
-#define DEFAULT_PERIOD_TIME_MS 50
-
-#define CheckError(message) if (result != SL_RESULT_SUCCESS) { qWarning(message); return; }
-
-Q_GLOBAL_STATIC(QOpenSLESEngine, openslesEngine);
-
-QOpenSLESEngine::QOpenSLESEngine()
- : m_engineObject(0)
- , m_engine(0)
- , m_checkedInputFormats(false)
-{
- SLresult result;
-
- result = slCreateEngine(&m_engineObject, 0, 0, 0, 0, 0);
- CheckError("Failed to create engine");
-
- result = (*m_engineObject)->Realize(m_engineObject, SL_BOOLEAN_FALSE);
- CheckError("Failed to realize engine");
-
- result = (*m_engineObject)->GetInterface(m_engineObject, SL_IID_ENGINE, &m_engine);
- CheckError("Failed to get engine interface");
-}
-
-QOpenSLESEngine::~QOpenSLESEngine()
-{
- if (m_engineObject)
- (*m_engineObject)->Destroy(m_engineObject);
-}
-
-QOpenSLESEngine *QOpenSLESEngine::instance()
-{
- return openslesEngine();
-}
-
-SLDataFormat_PCM QOpenSLESEngine::audioFormatToSLFormatPCM(const QAudioFormat &format)
-{
- SLDataFormat_PCM format_pcm;
- format_pcm.formatType = SL_DATAFORMAT_PCM;
- format_pcm.numChannels = format.channelCount();
- format_pcm.samplesPerSec = format.sampleRate() * 1000;
- format_pcm.bitsPerSample = format.sampleSize();
- format_pcm.containerSize = format.sampleSize();
- format_pcm.channelMask = (format.channelCount() == 1 ?
- SL_SPEAKER_FRONT_CENTER :
- SL_SPEAKER_FRONT_LEFT | SL_SPEAKER_FRONT_RIGHT);
- format_pcm.endianness = (format.byteOrder() == QAudioFormat::LittleEndian ?
- SL_BYTEORDER_LITTLEENDIAN :
- SL_BYTEORDER_BIGENDIAN);
- return format_pcm;
-
-}
-
-QByteArray QOpenSLESEngine::defaultDevice(QAudio::Mode mode) const
-{
- const auto &devices = availableDevices(mode);
- return !devices.isEmpty() ? devices.first() : QByteArray();
-}
-
-QList<QByteArray> QOpenSLESEngine::availableDevices(QAudio::Mode mode) const
-{
- QList<QByteArray> devices;
- if (mode == QAudio::AudioInput) {
-#ifdef ANDROID
- devices << QT_ANDROID_PRESET_MIC
- << QT_ANDROID_PRESET_CAMCORDER
- << QT_ANDROID_PRESET_VOICE_RECOGNITION
- << QT_ANDROID_PRESET_VOICE_COMMUNICATION;
-#else
- devices << "default";
-#endif
- } else {
- devices << "default";
- }
- return devices;
-}
-
-QList<int> QOpenSLESEngine::supportedChannelCounts(QAudio::Mode mode) const
-{
- if (mode == QAudio::AudioInput) {
- if (!m_checkedInputFormats)
- const_cast<QOpenSLESEngine *>(this)->checkSupportedInputFormats();
- return m_supportedInputChannelCounts;
- } else {
- return QList<int>() << 1 << 2;
- }
-}
-
-QList<int> QOpenSLESEngine::supportedSampleRates(QAudio::Mode mode) const
-{
- if (mode == QAudio::AudioInput) {
- if (!m_checkedInputFormats)
- const_cast<QOpenSLESEngine *>(this)->checkSupportedInputFormats();
- return m_supportedInputSampleRates;
- } else {
- return QList<int>() << 8000 << 11025 << 12000 << 16000 << 22050
- << 24000 << 32000 << 44100 << 48000;
- }
-}
-
-int QOpenSLESEngine::getOutputValue(QOpenSLESEngine::OutputValue type, int defaultValue)
-{
-#if defined(Q_OS_ANDROID)
- static int sampleRate = 0;
- static int framesPerBuffer = 0;
- static const int sdkVersion = QtAndroidPrivate::androidSdkVersion();
-
- if (sdkVersion < 17) // getProperty() was added in API level 17...
- return defaultValue;
-
- if (type == FramesPerBuffer && framesPerBuffer != 0)
- return framesPerBuffer;
-
- if (type == SampleRate && sampleRate != 0)
- return sampleRate;
-
- QJNIObjectPrivate ctx(QtAndroidPrivate::activity());
- if (!ctx.isValid())
- return defaultValue;
-
-
- QJNIObjectPrivate audioServiceString = ctx.getStaticObjectField("android/content/Context",
- "AUDIO_SERVICE",
- "Ljava/lang/String;");
- QJNIObjectPrivate am = ctx.callObjectMethod("getSystemService",
- "(Ljava/lang/String;)Ljava/lang/Object;",
- audioServiceString.object());
- if (!am.isValid())
- return defaultValue;
-
- QJNIObjectPrivate sampleRateField = QJNIObjectPrivate::getStaticObjectField("android/media/AudioManager",
- "PROPERTY_OUTPUT_SAMPLE_RATE",
- "Ljava/lang/String;");
- QJNIObjectPrivate framesPerBufferField = QJNIObjectPrivate::getStaticObjectField("android/media/AudioManager",
- "PROPERTY_OUTPUT_FRAMES_PER_BUFFER",
- "Ljava/lang/String;");
-
- QJNIObjectPrivate sampleRateString = am.callObjectMethod("getProperty",
- "(Ljava/lang/String;)Ljava/lang/String;",
- sampleRateField.object());
- QJNIObjectPrivate framesPerBufferString = am.callObjectMethod("getProperty",
- "(Ljava/lang/String;)Ljava/lang/String;",
- framesPerBufferField.object());
-
- if (!sampleRateString.isValid() || !framesPerBufferString.isValid())
- return defaultValue;
-
- framesPerBuffer = framesPerBufferString.toString().toInt();
- sampleRate = sampleRateString.toString().toInt();
-
- if (type == FramesPerBuffer)
- return framesPerBuffer;
-
- if (type == SampleRate)
- return sampleRate;
-
-#endif // Q_OS_ANDROID
-
- return defaultValue;
-}
-
-int QOpenSLESEngine::getDefaultBufferSize(const QAudioFormat &format)
-{
-#if defined(Q_OS_ANDROID)
- if (!format.isValid())
- return 0;
-
- const int channelConfig = [&format]() -> int
- {
- if (format.channelCount() == 1)
- return 4; /* MONO */
- else if (format.channelCount() == 2)
- return 12; /* STEREO */
- else if (format.channelCount() > 2)
- return 1052; /* SURROUND */
- else
- return 1; /* DEFAULT */
- }();
-
- const int audioFormat = [&format]() -> int
- {
- if (format.sampleType() == QAudioFormat::Float && QtAndroidPrivate::androidSdkVersion() >= 21)
- return 4; /* PCM_FLOAT */
- else if (format.sampleSize() == 8)
- return 3; /* PCM_8BIT */
- else if (format.sampleSize() == 16)
- return 2; /* PCM_16BIT*/
- else
- return 1; /* DEFAULT */
- }();
-
- const int sampleRate = format.sampleRate();
- const int minBufferSize = QJNIObjectPrivate::callStaticMethod<jint>("android/media/AudioTrack",
- "getMinBufferSize",
- "(III)I",
- sampleRate,
- channelConfig,
- audioFormat);
- return minBufferSize > 0 ? minBufferSize : format.bytesForDuration(DEFAULT_PERIOD_TIME_MS);
-#else
- return format.bytesForDuration(DEFAULT_PERIOD_TIME_MS);
-#endif // Q_OS_ANDROID
-}
-
-int QOpenSLESEngine::getLowLatencyBufferSize(const QAudioFormat &format)
-{
- return format.bytesForFrames(QOpenSLESEngine::getOutputValue(QOpenSLESEngine::FramesPerBuffer,
- format.framesForDuration(MINIMUM_PERIOD_TIME_MS)));
-}
-
-bool QOpenSLESEngine::supportsLowLatency()
-{
-#if defined(Q_OS_ANDROID)
- static int isSupported = -1;
-
- if (isSupported != -1)
- return (isSupported == 1);
-
- QJNIObjectPrivate ctx(QtAndroidPrivate::activity());
- if (!ctx.isValid())
- return false;
-
- QJNIObjectPrivate pm = ctx.callObjectMethod("getPackageManager", "()Landroid/content/pm/PackageManager;");
- if (!pm.isValid())
- return false;
-
- QJNIObjectPrivate audioFeatureField = QJNIObjectPrivate::getStaticObjectField("android/content/pm/PackageManager",
- "FEATURE_AUDIO_LOW_LATENCY",
- "Ljava/lang/String;");
- if (!audioFeatureField.isValid())
- return false;
-
- isSupported = pm.callMethod<jboolean>("hasSystemFeature",
- "(Ljava/lang/String;)Z",
- audioFeatureField.object());
- return (isSupported == 1);
-#else
- return true;
-#endif // Q_OS_ANDROID
-}
-
-bool QOpenSLESEngine::printDebugInfo()
-{
- return qEnvironmentVariableIsSet("QT_OPENSL_INFO");
-}
-
-void QOpenSLESEngine::checkSupportedInputFormats()
-{
- m_supportedInputChannelCounts = QList<int>() << 1;
- m_supportedInputSampleRates.clear();
-
- SLDataFormat_PCM defaultFormat;
- defaultFormat.formatType = SL_DATAFORMAT_PCM;
- defaultFormat.numChannels = 1;
- defaultFormat.samplesPerSec = SL_SAMPLINGRATE_44_1;
- defaultFormat.bitsPerSample = SL_PCMSAMPLEFORMAT_FIXED_16;
- defaultFormat.containerSize = SL_PCMSAMPLEFORMAT_FIXED_16;
- defaultFormat.channelMask = SL_SPEAKER_FRONT_CENTER;
- defaultFormat.endianness = SL_BYTEORDER_LITTLEENDIAN;
-
- const SLuint32 rates[9] = { SL_SAMPLINGRATE_8,
- SL_SAMPLINGRATE_11_025,
- SL_SAMPLINGRATE_12,
- SL_SAMPLINGRATE_16,
- SL_SAMPLINGRATE_22_05,
- SL_SAMPLINGRATE_24,
- SL_SAMPLINGRATE_32,
- SL_SAMPLINGRATE_44_1,
- SL_SAMPLINGRATE_48 };
-
-
- // Test sampling rates
- for (int i = 0 ; i < 9; ++i) {
- SLDataFormat_PCM format = defaultFormat;
- format.samplesPerSec = rates[i];
-
- if (inputFormatIsSupported(format))
- m_supportedInputSampleRates.append(rates[i] / 1000);
-
- }
-
- // Test if stereo is supported
- {
- SLDataFormat_PCM format = defaultFormat;
- format.numChannels = 2;
- format.channelMask = 0;
- if (inputFormatIsSupported(format))
- m_supportedInputChannelCounts.append(2);
- }
-
- m_checkedInputFormats = true;
-}
-
-bool QOpenSLESEngine::inputFormatIsSupported(SLDataFormat_PCM format)
-{
- SLresult result;
- SLObjectItf recorder = 0;
- SLDataLocator_IODevice loc_dev = { SL_DATALOCATOR_IODEVICE, SL_IODEVICE_AUDIOINPUT,
- SL_DEFAULTDEVICEID_AUDIOINPUT, NULL };
- SLDataSource audioSrc = { &loc_dev, NULL };
-
-#ifdef ANDROID
- SLDataLocator_AndroidSimpleBufferQueue loc_bq = { SL_DATALOCATOR_ANDROIDSIMPLEBUFFERQUEUE, 1 };
-#else
- SLDataLocator_BufferQueue loc_bq = { SL_DATALOCATOR_BUFFERQUEUE, 1 };
-#endif
- SLDataSink audioSnk = { &loc_bq, &format };
-
- result = (*m_engine)->CreateAudioRecorder(m_engine, &recorder, &audioSrc, &audioSnk, 0, 0, 0);
- if (result == SL_RESULT_SUCCESS)
- result = (*recorder)->Realize(recorder, false);
-
- if (result == SL_RESULT_SUCCESS) {
- (*recorder)->Destroy(recorder);
- return true;
- }
-
- return false;
-}
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