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-rw-r--r--src/plugins/alsa/alsa.json3
-rw-r--r--src/plugins/alsa/alsa.pro23
-rw-r--r--src/plugins/alsa/qalsaaudiodeviceinfo.cpp430
-rw-r--r--src/plugins/alsa/qalsaaudiodeviceinfo.h120
-rw-r--r--src/plugins/alsa/qalsaaudioinput.cpp872
-rw-r--r--src/plugins/alsa/qalsaaudioinput.h185
-rw-r--r--src/plugins/alsa/qalsaaudiooutput.cpp813
-rw-r--r--src/plugins/alsa/qalsaaudiooutput.h164
-rw-r--r--src/plugins/alsa/qalsaplugin.cpp77
-rw-r--r--src/plugins/alsa/qalsaplugin.h68
10 files changed, 0 insertions, 2755 deletions
diff --git a/src/plugins/alsa/alsa.json b/src/plugins/alsa/alsa.json
deleted file mode 100644
index c2b22dfec..000000000
--- a/src/plugins/alsa/alsa.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
- "Keys": ["alsa"]
-}
diff --git a/src/plugins/alsa/alsa.pro b/src/plugins/alsa/alsa.pro
deleted file mode 100644
index 4012bb8f6..000000000
--- a/src/plugins/alsa/alsa.pro
+++ /dev/null
@@ -1,23 +0,0 @@
-TARGET = qtaudio_alsa
-QT += multimedia-private
-
-QMAKE_USE += alsa
-
-HEADERS += \
- qalsaplugin.h \
- qalsaaudiodeviceinfo.h \
- qalsaaudioinput.h \
- qalsaaudiooutput.h
-
-SOURCES += \
- qalsaplugin.cpp \
- qalsaaudiodeviceinfo.cpp \
- qalsaaudioinput.cpp \
- qalsaaudiooutput.cpp
-
-OTHER_FILES += \
- alsa.json
-
-PLUGIN_TYPE = audio
-PLUGIN_CLASS_NAME = QAlsaPlugin
-load(qt_plugin)
diff --git a/src/plugins/alsa/qalsaaudiodeviceinfo.cpp b/src/plugins/alsa/qalsaaudiodeviceinfo.cpp
deleted file mode 100644
index 5cfcb27e0..000000000
--- a/src/plugins/alsa/qalsaaudiodeviceinfo.cpp
+++ /dev/null
@@ -1,430 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// INTERNAL USE ONLY: Do NOT use for any other purpose.
-//
-
-#include "qalsaaudiodeviceinfo.h"
-
-#include <alsa/version.h>
-
-QT_BEGIN_NAMESPACE
-
-QAlsaAudioDeviceInfo::QAlsaAudioDeviceInfo(const QByteArray &dev, QAudio::Mode mode)
-{
- handle = 0;
-
- device = QLatin1String(dev);
- this->mode = mode;
-
- checkSurround();
-}
-
-QAlsaAudioDeviceInfo::~QAlsaAudioDeviceInfo()
-{
- close();
-}
-
-bool QAlsaAudioDeviceInfo::isFormatSupported(const QAudioFormat& format) const
-{
- return testSettings(format);
-}
-
-QAudioFormat QAlsaAudioDeviceInfo::preferredFormat() const
-{
- QAudioFormat nearest;
- if(mode == QAudio::AudioOutput) {
- nearest.setSampleRate(44100);
- nearest.setChannelCount(2);
- nearest.setByteOrder(QAudioFormat::LittleEndian);
- nearest.setSampleType(QAudioFormat::SignedInt);
- nearest.setSampleSize(16);
- nearest.setCodec(QLatin1String("audio/pcm"));
- } else {
- nearest.setSampleRate(8000);
- nearest.setChannelCount(1);
- nearest.setSampleType(QAudioFormat::UnSignedInt);
- nearest.setSampleSize(8);
- nearest.setCodec(QLatin1String("audio/pcm"));
- if(!testSettings(nearest)) {
- nearest.setChannelCount(2);
- nearest.setSampleSize(16);
- nearest.setSampleType(QAudioFormat::SignedInt);
- }
- }
- return nearest;
-}
-
-QString QAlsaAudioDeviceInfo::deviceName() const
-{
- return device;
-}
-
-QStringList QAlsaAudioDeviceInfo::supportedCodecs()
-{
- updateLists();
- return codecz;
-}
-
-QList<int> QAlsaAudioDeviceInfo::supportedSampleRates()
-{
- updateLists();
- return sampleRatez;
-}
-
-QList<int> QAlsaAudioDeviceInfo::supportedChannelCounts()
-{
- updateLists();
- return channelz;
-}
-
-QList<int> QAlsaAudioDeviceInfo::supportedSampleSizes()
-{
- updateLists();
- return sizez;
-}
-
-QList<QAudioFormat::Endian> QAlsaAudioDeviceInfo::supportedByteOrders()
-{
- updateLists();
- return byteOrderz;
-}
-
-QList<QAudioFormat::SampleType> QAlsaAudioDeviceInfo::supportedSampleTypes()
-{
- updateLists();
- return typez;
-}
-
-QByteArray QAlsaAudioDeviceInfo::defaultDevice(QAudio::Mode mode)
-{
- const auto &devices = availableDevices(mode);
- if (devices.size() == 0)
- return QByteArray();
-
- return devices.first();
-}
-
-bool QAlsaAudioDeviceInfo::open()
-{
- int err = 0;
- QString dev;
-
- if (!availableDevices(mode).contains(device.toLocal8Bit()))
- return false;
-
-#if SND_LIB_VERSION < 0x1000e // 1.0.14
- if (device.compare(QLatin1String("default")) != 0)
- dev = deviceFromCardName(device);
- else
-#endif
- dev = device;
-
- if(mode == QAudio::AudioOutput) {
- err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_PLAYBACK,0);
- } else {
- err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_CAPTURE,0);
- }
- if(err < 0) {
- handle = 0;
- return false;
- }
- return true;
-}
-
-void QAlsaAudioDeviceInfo::close()
-{
- if(handle)
- snd_pcm_close(handle);
- handle = 0;
-}
-
-bool QAlsaAudioDeviceInfo::testSettings(const QAudioFormat& format) const
-{
- // Set nearest to closest settings that do work.
- // See if what is in settings will work (return value).
- int err = -1;
- snd_pcm_t* pcmHandle;
- snd_pcm_hw_params_t *params;
- QString dev;
-
-#if SND_LIB_VERSION < 0x1000e // 1.0.14
- if (device.compare(QLatin1String("default")) != 0)
- dev = deviceFromCardName(device);
- else
-#endif
- dev = device;
-
- snd_pcm_stream_t stream = mode == QAudio::AudioOutput
- ? SND_PCM_STREAM_PLAYBACK : SND_PCM_STREAM_CAPTURE;
-
- if (snd_pcm_open(&pcmHandle, dev.toLocal8Bit().constData(), stream, 0) < 0)
- return false;
-
- snd_pcm_nonblock(pcmHandle, 0);
- snd_pcm_hw_params_alloca(&params);
- snd_pcm_hw_params_any(pcmHandle, params);
-
- // set the values!
- snd_pcm_hw_params_set_channels(pcmHandle, params, format.channelCount());
- snd_pcm_hw_params_set_rate(pcmHandle, params, format.sampleRate(), 0);
-
- snd_pcm_format_t pcmFormat = SND_PCM_FORMAT_UNKNOWN;
- switch (format.sampleSize()) {
- case 8:
- if (format.sampleType() == QAudioFormat::SignedInt)
- pcmFormat = SND_PCM_FORMAT_S8;
- else if (format.sampleType() == QAudioFormat::UnSignedInt)
- pcmFormat = SND_PCM_FORMAT_U8;
- break;
- case 16:
- if (format.sampleType() == QAudioFormat::SignedInt) {
- pcmFormat = format.byteOrder() == QAudioFormat::LittleEndian
- ? SND_PCM_FORMAT_S16_LE : SND_PCM_FORMAT_S16_BE;
- } else if (format.sampleType() == QAudioFormat::UnSignedInt) {
- pcmFormat = format.byteOrder() == QAudioFormat::LittleEndian
- ? SND_PCM_FORMAT_U16_LE : SND_PCM_FORMAT_U16_BE;
- }
- break;
- case 32:
- if (format.sampleType() == QAudioFormat::SignedInt) {
- pcmFormat = format.byteOrder() == QAudioFormat::LittleEndian
- ? SND_PCM_FORMAT_S32_LE : SND_PCM_FORMAT_S32_BE;
- } else if (format.sampleType() == QAudioFormat::UnSignedInt) {
- pcmFormat = format.byteOrder() == QAudioFormat::LittleEndian
- ? SND_PCM_FORMAT_U32_LE : SND_PCM_FORMAT_U32_BE;
- } else if (format.sampleType() == QAudioFormat::Float) {
- pcmFormat = format.byteOrder() == QAudioFormat::LittleEndian
- ? SND_PCM_FORMAT_FLOAT_LE : SND_PCM_FORMAT_FLOAT_BE;
- }
- }
-
- if (pcmFormat != SND_PCM_FORMAT_UNKNOWN)
- err = snd_pcm_hw_params_set_format(pcmHandle, params, pcmFormat);
-
- // For now, just accept only audio/pcm codec
- if (!format.codec().startsWith(QLatin1String("audio/pcm")))
- err = -1;
-
- if (err >= 0 && format.channelCount() != -1) {
- err = snd_pcm_hw_params_test_channels(pcmHandle, params, format.channelCount());
- if (err >= 0)
- err = snd_pcm_hw_params_set_channels(pcmHandle, params, format.channelCount());
- }
-
- if (err >= 0 && format.sampleRate() != -1) {
- err = snd_pcm_hw_params_test_rate(pcmHandle, params, format.sampleRate(), 0);
- if (err >= 0)
- err = snd_pcm_hw_params_set_rate(pcmHandle, params, format.sampleRate(), 0);
- }
-
- if (err >= 0 && pcmFormat != SND_PCM_FORMAT_UNKNOWN)
- err = snd_pcm_hw_params_set_format(pcmHandle, params, pcmFormat);
-
- if (err >= 0)
- err = snd_pcm_hw_params(pcmHandle, params);
-
- snd_pcm_close(pcmHandle);
-
- return (err == 0);
-}
-
-void QAlsaAudioDeviceInfo::updateLists()
-{
- // redo all lists based on current settings
- sampleRatez.clear();
- channelz.clear();
- sizez.clear();
- byteOrderz.clear();
- typez.clear();
- codecz.clear();
-
- if(!handle)
- open();
-
- if(!handle)
- return;
-
- for(int i=0; i<(int)MAX_SAMPLE_RATES; i++) {
- //if(snd_pcm_hw_params_test_rate(handle, params, SAMPLE_RATES[i], dir) == 0)
- sampleRatez.append(SAMPLE_RATES[i]);
- }
- channelz.append(1);
- channelz.append(2);
- if (surround40) channelz.append(4);
- if (surround51) channelz.append(6);
- if (surround71) channelz.append(8);
- sizez.append(8);
- sizez.append(16);
- sizez.append(32);
- byteOrderz.append(QAudioFormat::LittleEndian);
- byteOrderz.append(QAudioFormat::BigEndian);
- typez.append(QAudioFormat::SignedInt);
- typez.append(QAudioFormat::UnSignedInt);
- typez.append(QAudioFormat::Float);
- codecz.append(QLatin1String("audio/pcm"));
- close();
-}
-
-QList<QByteArray> QAlsaAudioDeviceInfo::availableDevices(QAudio::Mode mode)
-{
- QList<QByteArray> devices;
- bool hasDefault = false;
-
-#if SND_LIB_VERSION >= 0x1000e // 1.0.14
- QByteArray filter;
-
- // Create a list of all current audio devices that support mode
- void **hints, **n;
- char *name, *descr, *io;
-
- if(snd_device_name_hint(-1, "pcm", &hints) < 0) {
- qWarning() << "no alsa devices available";
- return devices;
- }
- n = hints;
-
- if(mode == QAudio::AudioInput) {
- filter = "Input";
- } else {
- filter = "Output";
- }
-
- while (*n != NULL) {
- name = snd_device_name_get_hint(*n, "NAME");
- if (name != 0 && qstrcmp(name, "null") != 0) {
- descr = snd_device_name_get_hint(*n, "DESC");
- io = snd_device_name_get_hint(*n, "IOID");
-
- if ((descr != NULL) && ((io == NULL) || (io == filter))) {
- devices.append(name);
- if (strcmp(name, "default") == 0)
- hasDefault = true;
- }
-
- free(descr);
- free(io);
- }
- free(name);
- ++n;
- }
- snd_device_name_free_hint(hints);
-#else
- int idx = 0;
- char* name;
-
- while(snd_card_get_name(idx,&name) == 0) {
- devices.append(name);
- if (strcmp(name, "default") == 0)
- hasDefault = true;
- idx++;
- }
-#endif
-
- if (!hasDefault && devices.size() > 0)
- devices.prepend("default");
-
- return devices;
-}
-
-void QAlsaAudioDeviceInfo::checkSurround()
-{
- surround40 = false;
- surround51 = false;
- surround71 = false;
-
- void **hints, **n;
- char *name, *descr, *io;
-
- if(snd_device_name_hint(-1, "pcm", &hints) < 0)
- return;
-
- n = hints;
-
- while (*n != NULL) {
- name = snd_device_name_get_hint(*n, "NAME");
- descr = snd_device_name_get_hint(*n, "DESC");
- io = snd_device_name_get_hint(*n, "IOID");
- if((name != NULL) && (descr != NULL)) {
- QString deviceName = QLatin1String(name);
- if (mode == QAudio::AudioOutput) {
- if(deviceName.contains(QLatin1String("surround40")))
- surround40 = true;
- if(deviceName.contains(QLatin1String("surround51")))
- surround51 = true;
- if(deviceName.contains(QLatin1String("surround71")))
- surround71 = true;
- }
- }
- if(name != NULL)
- free(name);
- if(descr != NULL)
- free(descr);
- if(io != NULL)
- free(io);
- ++n;
- }
- snd_device_name_free_hint(hints);
-}
-
-QString QAlsaAudioDeviceInfo::deviceFromCardName(const QString &card)
-{
- int idx = 0;
- char *name;
-
- QStringView shortName = QStringView{card}.mid(card.indexOf(QLatin1String("="), 0) + 1);
-
- while (snd_card_get_name(idx, &name) == 0) {
- if (shortName.compare(QLatin1String(name)) == 0)
- break;
- idx++;
- }
-
- return QString(QLatin1String("hw:%1,0")).arg(idx);
-}
-
-QT_END_NAMESPACE
diff --git a/src/plugins/alsa/qalsaaudiodeviceinfo.h b/src/plugins/alsa/qalsaaudiodeviceinfo.h
deleted file mode 100644
index cdf08bfab..000000000
--- a/src/plugins/alsa/qalsaaudiodeviceinfo.h
+++ /dev/null
@@ -1,120 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-
-#ifndef QALSAAUDIODEVICEINFO_H
-#define QALSAAUDIODEVICEINFO_H
-
-#include <alsa/asoundlib.h>
-
-#include <QtCore/qbytearray.h>
-#include <QtCore/qstringlist.h>
-#include <QtCore/qlist.h>
-#include <QtCore/qdebug.h>
-
-#include <QtMultimedia/qaudio.h>
-#include <QtMultimedia/qaudiodeviceinfo.h>
-#include <QtMultimedia/qaudiosystem.h>
-
-QT_BEGIN_NAMESPACE
-
-
-const unsigned int MAX_SAMPLE_RATES = 5;
-const unsigned int SAMPLE_RATES[] =
- { 8000, 11025, 22050, 44100, 48000 };
-
-class QAlsaAudioDeviceInfo : public QAbstractAudioDeviceInfo
-{
- Q_OBJECT
-public:
- QAlsaAudioDeviceInfo(const QByteArray &dev,QAudio::Mode mode);
- ~QAlsaAudioDeviceInfo();
-
- bool testSettings(const QAudioFormat& format) const;
- void updateLists();
- QAudioFormat preferredFormat() const override;
- bool isFormatSupported(const QAudioFormat& format) const override;
- QString deviceName() const override;
- QStringList supportedCodecs() override;
- QList<int> supportedSampleRates() override;
- QList<int> supportedChannelCounts() override;
- QList<int> supportedSampleSizes() override;
- QList<QAudioFormat::Endian> supportedByteOrders() override;
- QList<QAudioFormat::SampleType> supportedSampleTypes() override;
- static QByteArray defaultDevice(QAudio::Mode mode);
- static QList<QByteArray> availableDevices(QAudio::Mode);
- static QString deviceFromCardName(const QString &card);
-
-private:
- bool open();
- void close();
-
- void checkSurround();
- bool surround40;
- bool surround51;
- bool surround71;
-
- QString device;
- QAudio::Mode mode;
- QAudioFormat nearest;
- QList<int> sampleRatez;
- QList<int> channelz;
- QList<int> sizez;
- QList<QAudioFormat::Endian> byteOrderz;
- QStringList codecz;
- QList<QAudioFormat::SampleType> typez;
- snd_pcm_t* handle;
- snd_pcm_hw_params_t *params;
-};
-
-QT_END_NAMESPACE
-
-
-#endif // QALSAAUDIODEVICEINFO_H
diff --git a/src/plugins/alsa/qalsaaudioinput.cpp b/src/plugins/alsa/qalsaaudioinput.cpp
deleted file mode 100644
index bff23dfe1..000000000
--- a/src/plugins/alsa/qalsaaudioinput.cpp
+++ /dev/null
@@ -1,872 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// INTERNAL USE ONLY: Do NOT use for any other purpose.
-//
-
-#include <QtCore/qcoreapplication.h>
-#include <QtCore/qvarlengtharray.h>
-#include <QtMultimedia/private/qaudiohelpers_p.h>
-#include "qalsaaudioinput.h"
-#include "qalsaaudiodeviceinfo.h"
-
-QT_BEGIN_NAMESPACE
-
-//#define DEBUG_AUDIO 1
-
-QAlsaAudioInput::QAlsaAudioInput(const QByteArray &device)
-{
- bytesAvailable = 0;
- handle = 0;
- access = SND_PCM_ACCESS_RW_INTERLEAVED;
- pcmformat = SND_PCM_FORMAT_S16;
- buffer_size = 0;
- period_size = 0;
- buffer_time = 100000;
- period_time = 20000;
- totalTimeValue = 0;
- intervalTime = 1000;
- errorState = QAudio::NoError;
- deviceState = QAudio::StoppedState;
- audioSource = 0;
- pullMode = true;
- resuming = false;
-
- m_volume = 1.0f;
-
- m_device = device;
-
- timer = new QTimer(this);
- connect(timer,SIGNAL(timeout()),SLOT(userFeed()));
-}
-
-QAlsaAudioInput::~QAlsaAudioInput()
-{
- close();
- disconnect(timer, SIGNAL(timeout()));
- QCoreApplication::processEvents();
- delete timer;
-}
-
-void QAlsaAudioInput::setVolume(qreal vol)
-{
- m_volume = vol;
-}
-
-qreal QAlsaAudioInput::volume() const
-{
- return m_volume;
-}
-
-QAudio::Error QAlsaAudioInput::error() const
-{
- return errorState;
-}
-
-QAudio::State QAlsaAudioInput::state() const
-{
- return deviceState;
-}
-
-void QAlsaAudioInput::setFormat(const QAudioFormat& fmt)
-{
- if (deviceState == QAudio::StoppedState)
- settings = fmt;
-}
-
-QAudioFormat QAlsaAudioInput::format() const
-{
- return settings;
-}
-
-int QAlsaAudioInput::xrun_recovery(int err)
-{
- int count = 0;
- bool reset = false;
-
- // ESTRPIPE is not available in all OSes where ALSA is available
- int estrpipe = EIO;
-#ifdef ESTRPIPE
- estrpipe = ESTRPIPE;
-#endif
-
- if(err == -EPIPE) {
- errorState = QAudio::UnderrunError;
- err = snd_pcm_prepare(handle);
- if(err < 0)
- reset = true;
- else {
- bytesAvailable = checkBytesReady();
- if (bytesAvailable <= 0)
- reset = true;
- }
- } else if ((err == -estrpipe)||(err == -EIO)) {
- errorState = QAudio::IOError;
- while((err = snd_pcm_resume(handle)) == -EAGAIN){
- usleep(100);
- count++;
- if(count > 5) {
- reset = true;
- break;
- }
- }
- if(err < 0) {
- err = snd_pcm_prepare(handle);
- if(err < 0)
- reset = true;
- }
- }
- if(reset) {
- close();
- open();
- snd_pcm_prepare(handle);
- return 0;
- }
- return err;
-}
-
-int QAlsaAudioInput::setFormat()
-{
- snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
-
- if(settings.sampleSize() == 8) {
- format = SND_PCM_FORMAT_U8;
- } else if(settings.sampleSize() == 16) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_S16_LE;
- else
- format = SND_PCM_FORMAT_S16_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_U16_LE;
- else
- format = SND_PCM_FORMAT_U16_BE;
- }
- } else if(settings.sampleSize() == 24) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_S24_LE;
- else
- format = SND_PCM_FORMAT_S24_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_U24_LE;
- else
- format = SND_PCM_FORMAT_U24_BE;
- }
- } else if(settings.sampleSize() == 32) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_S32_LE;
- else
- format = SND_PCM_FORMAT_S32_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_U32_LE;
- else
- format = SND_PCM_FORMAT_U32_BE;
- } else if(settings.sampleType() == QAudioFormat::Float) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_FLOAT_LE;
- else
- format = SND_PCM_FORMAT_FLOAT_BE;
- }
- } else if(settings.sampleSize() == 64) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- format = SND_PCM_FORMAT_FLOAT64_LE;
- else
- format = SND_PCM_FORMAT_FLOAT64_BE;
- }
-
- return format != SND_PCM_FORMAT_UNKNOWN
- ? snd_pcm_hw_params_set_format( handle, hwparams, format)
- : -1;
-}
-
-void QAlsaAudioInput::start(QIODevice* device)
-{
- if(deviceState != QAudio::StoppedState)
- close();
-
- if(!pullMode && audioSource)
- delete audioSource;
-
- pullMode = true;
- audioSource = device;
-
- deviceState = QAudio::ActiveState;
-
- if( !open() )
- return;
-
- emit stateChanged(deviceState);
-}
-
-QIODevice* QAlsaAudioInput::start()
-{
- if(deviceState != QAudio::StoppedState)
- close();
-
- if(!pullMode && audioSource)
- delete audioSource;
-
- pullMode = false;
- audioSource = new AlsaInputPrivate(this);
- audioSource->open(QIODevice::ReadOnly | QIODevice::Unbuffered);
-
- deviceState = QAudio::IdleState;
-
- if( !open() )
- return 0;
-
- emit stateChanged(deviceState);
-
- return audioSource;
-}
-
-void QAlsaAudioInput::stop()
-{
- if(deviceState == QAudio::StoppedState)
- return;
-
- deviceState = QAudio::StoppedState;
-
- close();
- emit stateChanged(deviceState);
-}
-
-bool QAlsaAudioInput::open()
-{
-#ifdef DEBUG_AUDIO
- QTime now(QTime::currentTime());
- qDebug()<<now.second()<<"s "<<now.msec()<<"ms :open()";
-#endif
- clockStamp.restart();
- timeStamp.restart();
- elapsedTimeOffset = 0;
-
- int dir;
- int err = 0;
- int count=0;
- unsigned int sampleRate=settings.sampleRate();
-
- if (!settings.isValid()) {
- qWarning("QAudioInput: open error, invalid format.");
- } else if (settings.sampleRate() <= 0) {
- qWarning("QAudioInput: open error, invalid sample rate (%d).",
- settings.sampleRate());
- } else {
- err = -1;
- }
-
- if (err == 0) {
- errorState = QAudio::OpenError;
- deviceState = QAudio::StoppedState;
- emit errorChanged(errorState);
- return false;
- }
-
-
- if (!QAlsaAudioDeviceInfo::availableDevices(QAudio::AudioInput).contains(m_device))
- return false;
-
- QString dev;
-#if SND_LIB_VERSION < 0x1000e // 1.0.14
- if (m_device != "default")
- dev = QAlsaAudioDeviceInfo::deviceFromCardName(m_device);
- else
-#endif
- dev = m_device;
-
- // Step 1: try and open the device
- while((count < 5) && (err < 0)) {
- err=snd_pcm_open(&handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_CAPTURE,0);
- if(err < 0)
- count++;
- }
- if (( err < 0)||(handle == 0)) {
- errorState = QAudio::OpenError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- return false;
- }
- snd_pcm_nonblock( handle, 0 );
-
- // Step 2: Set the desired HW parameters.
- snd_pcm_hw_params_alloca( &hwparams );
-
- bool fatal = false;
- QString errMessage;
- unsigned int chunks = 8;
-
- err = snd_pcm_hw_params_any( handle, hwparams );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_any: err = %1").arg(err);
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_rate_resample( handle, hwparams, 1 );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_rate_resample: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_access( handle, hwparams, access );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_access: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = setFormat();
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_format: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channelCount() );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_channels: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_rate_near( handle, hwparams, &sampleRate, 0 );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_rate_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, &buffer_time, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_buffer_time_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_period_time_near(handle, hwparams, &period_time, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_period_time_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_periods_near(handle, hwparams, &chunks, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_periods_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params(handle, hwparams);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params: err = %1").arg(err);
- }
- }
- if( err < 0) {
- qWarning()<<errMessage;
- errorState = QAudio::OpenError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- return false;
- }
- snd_pcm_hw_params_get_buffer_size(hwparams,&buffer_frames);
- buffer_size = snd_pcm_frames_to_bytes(handle,buffer_frames);
- snd_pcm_hw_params_get_period_size(hwparams,&period_frames, &dir);
- period_size = snd_pcm_frames_to_bytes(handle,period_frames);
- snd_pcm_hw_params_get_buffer_time(hwparams,&buffer_time, &dir);
- snd_pcm_hw_params_get_period_time(hwparams,&period_time, &dir);
-
- // Step 3: Set the desired SW parameters.
- snd_pcm_sw_params_t *swparams;
- snd_pcm_sw_params_alloca(&swparams);
- snd_pcm_sw_params_current(handle, swparams);
- snd_pcm_sw_params_set_start_threshold(handle,swparams,period_frames);
- snd_pcm_sw_params_set_stop_threshold(handle,swparams,buffer_frames);
- snd_pcm_sw_params_set_avail_min(handle, swparams,period_frames);
- snd_pcm_sw_params(handle, swparams);
-
- // Step 4: Prepare audio
- ringBuffer.resize(buffer_size);
- snd_pcm_prepare( handle );
- snd_pcm_start(handle);
-
- // Step 5: Setup timer
- bytesAvailable = checkBytesReady();
-
- if(pullMode)
- connect(audioSource,SIGNAL(readyRead()),this,SLOT(userFeed()));
-
- // Step 6: Start audio processing
- chunks = buffer_size/period_size;
- timer->start(period_time*chunks/2000);
-
- errorState = QAudio::NoError;
-
- totalTimeValue = 0;
-
- return true;
-}
-
-void QAlsaAudioInput::close()
-{
- timer->stop();
-
- if ( handle ) {
- snd_pcm_drop( handle );
- snd_pcm_close( handle );
- handle = 0;
- }
-}
-
-int QAlsaAudioInput::checkBytesReady()
-{
- if(resuming)
- bytesAvailable = period_size;
- else if(deviceState != QAudio::ActiveState
- && deviceState != QAudio::IdleState)
- bytesAvailable = 0;
- else {
- int frames = snd_pcm_avail_update(handle);
- if (frames < 0) {
- bytesAvailable = frames;
- } else {
- if((int)frames > (int)buffer_frames)
- frames = buffer_frames;
- bytesAvailable = snd_pcm_frames_to_bytes(handle, frames);
- }
- }
- return bytesAvailable;
-}
-
-int QAlsaAudioInput::bytesReady() const
-{
- return qMax(bytesAvailable, 0);
-}
-
-qint64 QAlsaAudioInput::read(char* data, qint64 len)
-{
- // Read in some audio data and write it to QIODevice, pull mode
- if ( !handle )
- return 0;
-
- int bytesRead = 0;
- int bytesInRingbufferBeforeRead = ringBuffer.bytesOfDataInBuffer();
-
- if (ringBuffer.bytesOfDataInBuffer() < len) {
-
- // bytesAvaiable is saved as a side effect of checkBytesReady().
- int bytesToRead = checkBytesReady();
-
- if (bytesToRead < 0) {
- // bytesAvailable as negative is error code, try to recover from it.
- xrun_recovery(bytesToRead);
- bytesToRead = checkBytesReady();
- if (bytesToRead < 0) {
- // recovery failed must stop and set error.
- close();
- errorState = QAudio::IOError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- return 0;
- }
- }
-
- bytesToRead = qMin<qint64>(len, bytesToRead);
- bytesToRead = qMin<qint64>(ringBuffer.freeBytes(), bytesToRead);
- bytesToRead -= bytesToRead % period_size;
-
- int count=0;
- int err = 0;
- QVarLengthArray<char, 4096> buffer(bytesToRead);
- while(count < 5 && bytesToRead > 0) {
- int chunks = bytesToRead / period_size;
- int frames = chunks * period_frames;
- if (frames > (int)buffer_frames)
- frames = buffer_frames;
-
- int readFrames = snd_pcm_readi(handle, buffer.data(), frames);
- bytesRead = snd_pcm_frames_to_bytes(handle, readFrames);
- if (m_volume < 1.0f)
- QAudioHelperInternal::qMultiplySamples(m_volume, settings,
- buffer.constData(),
- buffer.data(), bytesRead);
-
- if (readFrames >= 0) {
- ringBuffer.write(buffer.data(), bytesRead);
-#ifdef DEBUG_AUDIO
- qDebug() << QString::fromLatin1("read in bytes = %1 (frames=%2)").arg(bytesRead).arg(readFrames).toLatin1().constData();
-#endif
- break;
- } else if((readFrames == -EAGAIN) || (readFrames == -EINTR)) {
- errorState = QAudio::IOError;
- err = 0;
- break;
- } else {
- if(readFrames == -EPIPE) {
- errorState = QAudio::UnderrunError;
- err = snd_pcm_prepare(handle);
-#ifdef ESTRPIPE
- } else if(readFrames == -ESTRPIPE) {
- err = snd_pcm_prepare(handle);
-#endif
- }
- if(err != 0) break;
- }
- count++;
- }
-
- }
-
- bytesRead += bytesInRingbufferBeforeRead;
-
- if (bytesRead > 0) {
- // got some send it onward
-#ifdef DEBUG_AUDIO
- qDebug() << "frames to write to QIODevice = " <<
- snd_pcm_bytes_to_frames( handle, (int)bytesRead ) << " (" << bytesRead << ") bytes";
-#endif
- if (deviceState != QAudio::ActiveState && deviceState != QAudio::IdleState)
- return 0;
-
- if (pullMode) {
- qint64 l = 0;
- qint64 bytesWritten = 0;
- while (ringBuffer.bytesOfDataInBuffer() > 0) {
- l = audioSource->write(ringBuffer.availableData(), ringBuffer.availableDataBlockSize());
- if (l > 0) {
- ringBuffer.readBytes(l);
- bytesWritten += l;
- } else {
- break;
- }
- }
-
- if (l < 0) {
- close();
- errorState = QAudio::IOError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- } else if (l == 0 && bytesWritten == 0) {
- if (deviceState != QAudio::IdleState) {
- errorState = QAudio::NoError;
- deviceState = QAudio::IdleState;
- emit stateChanged(deviceState);
- }
- } else {
- bytesAvailable -= bytesWritten;
- totalTimeValue += bytesWritten;
- resuming = false;
- if (deviceState != QAudio::ActiveState) {
- errorState = QAudio::NoError;
- deviceState = QAudio::ActiveState;
- emit stateChanged(deviceState);
- }
- }
-
- return bytesWritten;
- } else {
- while (ringBuffer.bytesOfDataInBuffer() > 0) {
- int size = ringBuffer.availableDataBlockSize();
- memcpy(data, ringBuffer.availableData(), size);
- data += size;
- ringBuffer.readBytes(size);
- }
-
- bytesAvailable -= bytesRead;
- totalTimeValue += bytesRead;
- resuming = false;
- if (deviceState != QAudio::ActiveState) {
- errorState = QAudio::NoError;
- deviceState = QAudio::ActiveState;
- emit stateChanged(deviceState);
- }
-
- return bytesRead;
- }
- }
-
- return 0;
-}
-
-void QAlsaAudioInput::resume()
-{
- if(deviceState == QAudio::SuspendedState) {
- int err = 0;
-
- if(handle) {
- err = snd_pcm_prepare( handle );
- if(err < 0)
- xrun_recovery(err);
-
- err = snd_pcm_start(handle);
- if(err < 0)
- xrun_recovery(err);
-
- bytesAvailable = buffer_size;
- }
- resuming = true;
- deviceState = QAudio::ActiveState;
- int chunks = buffer_size/period_size;
- timer->start(period_time*chunks/2000);
- emit stateChanged(deviceState);
- }
-}
-
-void QAlsaAudioInput::setBufferSize(int value)
-{
- buffer_size = value;
-}
-
-int QAlsaAudioInput::bufferSize() const
-{
- return buffer_size;
-}
-
-int QAlsaAudioInput::periodSize() const
-{
- return period_size;
-}
-
-void QAlsaAudioInput::setNotifyInterval(int ms)
-{
- intervalTime = qMax(0, ms);
-}
-
-int QAlsaAudioInput::notifyInterval() const
-{
- return intervalTime;
-}
-
-qint64 QAlsaAudioInput::processedUSecs() const
-{
- qint64 result = qint64(1000000) * totalTimeValue /
- (settings.channelCount()*(settings.sampleSize()/8)) /
- settings.sampleRate();
-
- return result;
-}
-
-void QAlsaAudioInput::suspend()
-{
- if(deviceState == QAudio::ActiveState||resuming) {
- snd_pcm_drain(handle);
- timer->stop();
- deviceState = QAudio::SuspendedState;
- emit stateChanged(deviceState);
- }
-}
-
-void QAlsaAudioInput::userFeed()
-{
- if(deviceState == QAudio::StoppedState || deviceState == QAudio::SuspendedState)
- return;
-#ifdef DEBUG_AUDIO
- QTime now(QTime::currentTime());
- qDebug()<<now.second()<<"s "<<now.msec()<<"ms :userFeed() IN";
-#endif
- deviceReady();
-}
-
-bool QAlsaAudioInput::deviceReady()
-{
- if(pullMode) {
- // reads some audio data and writes it to QIODevice
- read(0, buffer_size);
- } else {
- // emits readyRead() so user will call read() on QIODevice to get some audio data
- AlsaInputPrivate* a = qobject_cast<AlsaInputPrivate*>(audioSource);
- a->trigger();
- }
- bytesAvailable = checkBytesReady();
-
- if(deviceState != QAudio::ActiveState)
- return true;
-
- if (bytesAvailable < 0) {
- // bytesAvailable as negative is error code, try to recover from it.
- xrun_recovery(bytesAvailable);
- bytesAvailable = checkBytesReady();
- if (bytesAvailable < 0) {
- // recovery failed must stop and set error.
- close();
- errorState = QAudio::IOError;
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- return 0;
- }
- }
-
- if(intervalTime && (timeStamp.elapsed() + elapsedTimeOffset) > intervalTime) {
- emit notify();
- elapsedTimeOffset = timeStamp.elapsed() + elapsedTimeOffset - intervalTime;
- timeStamp.restart();
- }
- return true;
-}
-
-qint64 QAlsaAudioInput::elapsedUSecs() const
-{
- if (deviceState == QAudio::StoppedState)
- return 0;
-
- return clockStamp.elapsed() * qint64(1000);
-}
-
-void QAlsaAudioInput::reset()
-{
- if(handle)
- snd_pcm_reset(handle);
- stop();
- bytesAvailable = 0;
-}
-
-void QAlsaAudioInput::drain()
-{
- if(handle)
- snd_pcm_drain(handle);
-}
-
-AlsaInputPrivate::AlsaInputPrivate(QAlsaAudioInput* audio)
-{
- audioDevice = qobject_cast<QAlsaAudioInput*>(audio);
-}
-
-AlsaInputPrivate::~AlsaInputPrivate()
-{
-}
-
-qint64 AlsaInputPrivate::readData( char* data, qint64 len)
-{
- return audioDevice->read(data,len);
-}
-
-qint64 AlsaInputPrivate::writeData(const char* data, qint64 len)
-{
- Q_UNUSED(data);
- Q_UNUSED(len);
- return 0;
-}
-
-void AlsaInputPrivate::trigger()
-{
- emit readyRead();
-}
-
-RingBuffer::RingBuffer() :
- m_head(0),
- m_tail(0)
-{
-}
-
-void RingBuffer::resize(int size)
-{
- m_data.resize(size);
-}
-
-int RingBuffer::bytesOfDataInBuffer() const
-{
- if (m_head < m_tail)
- return m_tail - m_head;
- else if (m_tail < m_head)
- return m_data.size() + m_tail - m_head;
- else
- return 0;
-}
-
-int RingBuffer::freeBytes() const
-{
- if (m_head > m_tail)
- return m_head - m_tail - 1;
- else if (m_tail > m_head)
- return m_data.size() - m_tail + m_head - 1;
- else
- return m_data.size() - 1;
-}
-
-const char *RingBuffer::availableData() const
-{
- return (m_data.constData() + m_head);
-}
-
-int RingBuffer::availableDataBlockSize() const
-{
- if (m_head > m_tail)
- return m_data.size() - m_head;
- else if (m_tail > m_head)
- return m_tail - m_head;
- else
- return 0;
-}
-
-void RingBuffer::readBytes(int bytes)
-{
- m_head = (m_head + bytes) % m_data.size();
-}
-
-void RingBuffer::write(char *data, int len)
-{
- if (m_tail + len < m_data.size()) {
- memcpy(m_data.data() + m_tail, data, len);
- m_tail += len;
- } else {
- int bytesUntilEnd = m_data.size() - m_tail;
- memcpy(m_data.data() + m_tail, data, bytesUntilEnd);
- if (len - bytesUntilEnd > 0)
- memcpy(m_data.data(), data + bytesUntilEnd, len - bytesUntilEnd);
- m_tail = len - bytesUntilEnd;
- }
-}
-
-QT_END_NAMESPACE
-
-#include "moc_qalsaaudioinput.cpp"
diff --git a/src/plugins/alsa/qalsaaudioinput.h b/src/plugins/alsa/qalsaaudioinput.h
deleted file mode 100644
index 62e1be039..000000000
--- a/src/plugins/alsa/qalsaaudioinput.h
+++ /dev/null
@@ -1,185 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-
-#ifndef QAUDIOINPUTALSA_H
-#define QAUDIOINPUTALSA_H
-
-#include <alsa/asoundlib.h>
-
-#include <QtCore/qfile.h>
-#include <QtCore/qdebug.h>
-#include <QtCore/qtimer.h>
-#include <QtCore/qstring.h>
-#include <QtCore/qstringlist.h>
-#include <QtCore/qelapsedtimer.h>
-#include <QtCore/qiodevice.h>
-
-#include <QtMultimedia/qaudio.h>
-#include <QtMultimedia/qaudiodeviceinfo.h>
-#include <QtMultimedia/qaudiosystem.h>
-
-QT_BEGIN_NAMESPACE
-
-
-class AlsaInputPrivate;
-
-class RingBuffer
-{
-public:
- RingBuffer();
-
- void resize(int size);
-
- int bytesOfDataInBuffer() const;
- int freeBytes() const;
-
- const char *availableData() const;
- int availableDataBlockSize() const;
- void readBytes(int bytes);
-
- void write(char *data, int len);
-
-private:
- int m_head;
- int m_tail;
-
- QByteArray m_data;
-};
-
-class QAlsaAudioInput : public QAbstractAudioInput
-{
- Q_OBJECT
-public:
- QAlsaAudioInput(const QByteArray &device);
- ~QAlsaAudioInput();
-
- qint64 read(char* data, qint64 len);
-
- void start(QIODevice* device) override;
- QIODevice* start() override;
- void stop() override;
- void reset() override;
- void suspend() override;
- void resume() override;
- int bytesReady() const override;
- int periodSize() const override;
- void setBufferSize(int value) override;
- int bufferSize() const override;
- void setNotifyInterval(int milliSeconds) override;
- int notifyInterval() const override;
- qint64 processedUSecs() const override;
- qint64 elapsedUSecs() const override;
- QAudio::Error error() const override;
- QAudio::State state() const override;
- void setFormat(const QAudioFormat& fmt) override;
- QAudioFormat format() const override;
- void setVolume(qreal) override;
- qreal volume() const override;
- bool resuming;
- snd_pcm_t* handle;
- qint64 totalTimeValue;
- QIODevice* audioSource;
- QAudioFormat settings;
- QAudio::Error errorState;
- QAudio::State deviceState;
-
-private slots:
- void userFeed();
- bool deviceReady();
-
-private:
- int checkBytesReady();
- int xrun_recovery(int err);
- int setFormat();
- bool open();
- void close();
- void drain();
-
- QTimer* timer;
- QElapsedTimer timeStamp;
- QElapsedTimer clockStamp;
- qint64 elapsedTimeOffset;
- int intervalTime;
- RingBuffer ringBuffer;
- int bytesAvailable;
- QByteArray m_device;
- bool pullMode;
- int buffer_size;
- int period_size;
- unsigned int buffer_time;
- unsigned int period_time;
- snd_pcm_uframes_t buffer_frames;
- snd_pcm_uframes_t period_frames;
- snd_pcm_access_t access;
- snd_pcm_format_t pcmformat;
- snd_pcm_hw_params_t *hwparams;
- qreal m_volume;
-};
-
-class AlsaInputPrivate : public QIODevice
-{
- Q_OBJECT
-public:
- AlsaInputPrivate(QAlsaAudioInput* audio);
- ~AlsaInputPrivate();
-
- qint64 readData( char* data, qint64 len) override;
- qint64 writeData(const char* data, qint64 len) override;
-
- void trigger();
-private:
- QAlsaAudioInput *audioDevice;
-};
-
-QT_END_NAMESPACE
-
-
-#endif
diff --git a/src/plugins/alsa/qalsaaudiooutput.cpp b/src/plugins/alsa/qalsaaudiooutput.cpp
deleted file mode 100644
index f66e5e6e8..000000000
--- a/src/plugins/alsa/qalsaaudiooutput.cpp
+++ /dev/null
@@ -1,813 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// INTERNAL USE ONLY: Do NOT use for any other purpose.
-//
-
-#include <QtCore/qcoreapplication.h>
-#include <QtCore/qvarlengtharray.h>
-#include <QtMultimedia/private/qaudiohelpers_p.h>
-#include "qalsaaudiooutput.h"
-#include "qalsaaudiodeviceinfo.h"
-#include <QLoggingCategory>
-
-QT_BEGIN_NAMESPACE
-
-Q_LOGGING_CATEGORY(lcAlsaOutput, "qt.multimedia.alsa.output")
-//#define DEBUG_AUDIO 1
-
-QAlsaAudioOutput::QAlsaAudioOutput(const QByteArray &device)
-{
- bytesAvailable = 0;
- handle = 0;
- access = SND_PCM_ACCESS_RW_INTERLEAVED;
- pcmformat = SND_PCM_FORMAT_S16;
- buffer_frames = 0;
- period_frames = 0;
- buffer_size = 0;
- period_size = 0;
- buffer_time = 100000;
- period_time = 20000;
- totalTimeValue = 0;
- intervalTime = 1000;
- audioBuffer = 0;
- errorState = QAudio::NoError;
- deviceState = QAudio::StoppedState;
- audioSource = 0;
- pullMode = true;
- resuming = false;
- opened = false;
-
- m_volume = 1.0f;
-
- m_device = device;
-
- timer = new QTimer(this);
- connect(timer,SIGNAL(timeout()),SLOT(userFeed()));
-}
-
-QAlsaAudioOutput::~QAlsaAudioOutput()
-{
- close();
- disconnect(timer, SIGNAL(timeout()));
- QCoreApplication::processEvents();
- delete timer;
-}
-
-void QAlsaAudioOutput::setVolume(qreal vol)
-{
- m_volume = vol;
-}
-
-qreal QAlsaAudioOutput::volume() const
-{
- return m_volume;
-}
-
-QAudio::Error QAlsaAudioOutput::error() const
-{
- return errorState;
-}
-
-QAudio::State QAlsaAudioOutput::state() const
-{
- return deviceState;
-}
-
-int QAlsaAudioOutput::xrun_recovery(int err)
-{
- int count = 0;
- bool reset = false;
-
- // ESTRPIPE is not available in all OSes where ALSA is available
- int estrpipe = EIO;
-#ifdef ESTRPIPE
- estrpipe = ESTRPIPE;
-#endif
-
- if(err == -EPIPE) {
- errorState = QAudio::UnderrunError;
- emit errorChanged(errorState);
- err = snd_pcm_prepare(handle);
- if(err < 0)
- reset = true;
-
- } else if ((err == -estrpipe)||(err == -EIO)) {
- errorState = QAudio::IOError;
- emit errorChanged(errorState);
- while((err = snd_pcm_resume(handle)) == -EAGAIN){
- usleep(100);
- count++;
- if(count > 5) {
- reset = true;
- break;
- }
- }
- if(err < 0) {
- err = snd_pcm_prepare(handle);
- if(err < 0)
- reset = true;
- }
- }
- if(reset) {
- close();
- open();
- snd_pcm_prepare(handle);
- return 0;
- }
- return err;
-}
-
-int QAlsaAudioOutput::setFormat()
-{
- snd_pcm_format_t pcmformat = SND_PCM_FORMAT_UNKNOWN;
-
- if(settings.sampleSize() == 8) {
- pcmformat = SND_PCM_FORMAT_U8;
-
- } else if(settings.sampleSize() == 16) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_S16_LE;
- else
- pcmformat = SND_PCM_FORMAT_S16_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_U16_LE;
- else
- pcmformat = SND_PCM_FORMAT_U16_BE;
- }
- } else if(settings.sampleSize() == 24) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_S24_LE;
- else
- pcmformat = SND_PCM_FORMAT_S24_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_U24_LE;
- else
- pcmformat = SND_PCM_FORMAT_U24_BE;
- }
- } else if(settings.sampleSize() == 32) {
- if(settings.sampleType() == QAudioFormat::SignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_S32_LE;
- else
- pcmformat = SND_PCM_FORMAT_S32_BE;
- } else if(settings.sampleType() == QAudioFormat::UnSignedInt) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_U32_LE;
- else
- pcmformat = SND_PCM_FORMAT_U32_BE;
- } else if(settings.sampleType() == QAudioFormat::Float) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_FLOAT_LE;
- else
- pcmformat = SND_PCM_FORMAT_FLOAT_BE;
- }
- } else if(settings.sampleSize() == 64) {
- if(settings.byteOrder() == QAudioFormat::LittleEndian)
- pcmformat = SND_PCM_FORMAT_FLOAT64_LE;
- else
- pcmformat = SND_PCM_FORMAT_FLOAT64_BE;
- }
-
- return pcmformat != SND_PCM_FORMAT_UNKNOWN
- ? snd_pcm_hw_params_set_format( handle, hwparams, pcmformat)
- : -1;
-}
-
-void QAlsaAudioOutput::start(QIODevice* device)
-{
- if(deviceState != QAudio::StoppedState)
- deviceState = QAudio::StoppedState;
-
- errorState = QAudio::NoError;
-
- // Handle change of mode
- if(audioSource && !pullMode) {
- delete audioSource;
- audioSource = 0;
- }
-
- close();
-
- pullMode = true;
- audioSource = device;
-
- deviceState = QAudio::ActiveState;
-
- open();
-
- emit stateChanged(deviceState);
-}
-
-QIODevice* QAlsaAudioOutput::start()
-{
- if(deviceState != QAudio::StoppedState)
- deviceState = QAudio::StoppedState;
-
- errorState = QAudio::NoError;
-
- // Handle change of mode
- if(audioSource && !pullMode) {
- delete audioSource;
- audioSource = 0;
- }
-
- close();
-
- audioSource = new AlsaOutputPrivate(this);
- audioSource->open(QIODevice::WriteOnly|QIODevice::Unbuffered);
- pullMode = false;
-
- deviceState = QAudio::IdleState;
-
- open();
-
- emit stateChanged(deviceState);
-
- return audioSource;
-}
-
-void QAlsaAudioOutput::stop()
-{
- if(deviceState == QAudio::StoppedState)
- return;
- errorState = QAudio::NoError;
- deviceState = QAudio::StoppedState;
- close();
- emit stateChanged(deviceState);
-}
-
-bool QAlsaAudioOutput::open()
-{
- if(opened)
- return true;
-
-#ifdef DEBUG_AUDIO
- QTime now(QTime::currentTime());
- qDebug()<<now.second()<<"s "<<now.msec()<<"ms :open()";
-#endif
- timeStamp.restart();
- elapsedTimeOffset = 0;
-
- int dir;
- int err = 0;
- int count=0;
- unsigned int sampleRate=settings.sampleRate();
-
- if (!settings.isValid()) {
- qWarning("QAudioOutput: open error, invalid format.");
- } else if (settings.sampleRate() <= 0) {
- qWarning("QAudioOutput: open error, invalid sample rate (%d).",
- settings.sampleRate());
- } else {
- err = -1;
- }
-
- if (err == 0) {
- errorState = QAudio::OpenError;
- deviceState = QAudio::StoppedState;
- emit errorChanged(errorState);
- return false;
- }
-
- QString dev;
-#if SND_LIB_VERSION < 0x1000e // 1.0.14
- if (m_device != "default")
- dev = QAlsaAudioDeviceInfo::deviceFromCardName(m_device);
- else
-#endif
- dev = m_device;
-
- // Step 1: try and open the device
- while((count < 5) && (err < 0)) {
- err=snd_pcm_open(&handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_PLAYBACK,0);
- if(err < 0)
- count++;
- }
- if (( err < 0)||(handle == 0)) {
- errorState = QAudio::OpenError;
- emit errorChanged(errorState);
- deviceState = QAudio::StoppedState;
- return false;
- }
- snd_pcm_nonblock( handle, 0 );
-
- // Step 2: Set the desired HW parameters.
- snd_pcm_hw_params_alloca( &hwparams );
-
- bool fatal = false;
- QString errMessage;
- unsigned int chunks = 8;
-
- err = snd_pcm_hw_params_any( handle, hwparams );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_any: err = %1").arg(err);
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_rate_resample( handle, hwparams, 1 );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_rate_resample: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_access( handle, hwparams, access );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_access: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = setFormat();
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_format: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channelCount() );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_channels: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_rate_near( handle, hwparams, &sampleRate, 0 );
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_rate_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- unsigned int maxBufferTime = 0;
- unsigned int minBufferTime = 0;
- unsigned int maxPeriodTime = 0;
- unsigned int minPeriodTime = 0;
-
- err = snd_pcm_hw_params_get_buffer_time_max(hwparams, &maxBufferTime, &dir);
- if ( err >= 0)
- err = snd_pcm_hw_params_get_buffer_time_min(hwparams, &minBufferTime, &dir);
- if ( err >= 0)
- err = snd_pcm_hw_params_get_period_time_max(hwparams, &maxPeriodTime, &dir);
- if ( err >= 0)
- err = snd_pcm_hw_params_get_period_time_min(hwparams, &minPeriodTime, &dir);
-
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: buffer/period min and max: err = %1").arg(err);
- } else {
- static unsigned user_buffer_time = qEnvironmentVariableIntValue("QT_ALSA_OUTPUT_BUFFER_TIME");
- static unsigned user_period_time = qEnvironmentVariableIntValue("QT_ALSA_OUTPUT_PERIOD_TIME");
- const bool outOfRange = maxBufferTime < buffer_time || buffer_time < minBufferTime || maxPeriodTime < period_time || minPeriodTime > period_time;
- if (outOfRange || user_period_time || user_buffer_time) {
- period_time = user_period_time ? user_period_time : minPeriodTime;
- if (!user_buffer_time) {
- chunks = maxBufferTime / period_time;
- buffer_time = period_time * chunks;
- } else {
- buffer_time = user_buffer_time;
- chunks = buffer_time / period_time;
- }
- }
- qCDebug(lcAlsaOutput) << "buffer time: [" << minBufferTime << "-" << maxBufferTime << "] =" << buffer_time;
- qCDebug(lcAlsaOutput) << "period time: [" << minPeriodTime << "-" << maxPeriodTime << "] =" << period_time;
- qCDebug(lcAlsaOutput) << "chunks =" << chunks;
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, &buffer_time, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_buffer_time_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_period_time_near(handle, hwparams, &period_time, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_period_time_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params_set_periods_near(handle, hwparams, &chunks, &dir);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params_set_periods_near: err = %1").arg(err);
- }
- }
- if ( !fatal ) {
- err = snd_pcm_hw_params(handle, hwparams);
- if ( err < 0 ) {
- fatal = true;
- errMessage = QString::fromLatin1("QAudioOutput: snd_pcm_hw_params: err = %1").arg(err);
- }
- }
- if( err < 0) {
- qWarning()<<errMessage;
- errorState = QAudio::OpenError;
- emit errorChanged(errorState);
- deviceState = QAudio::StoppedState;
- return false;
- }
- snd_pcm_hw_params_get_buffer_size(hwparams,&buffer_frames);
- buffer_size = snd_pcm_frames_to_bytes(handle,buffer_frames);
- snd_pcm_hw_params_get_period_size(hwparams,&period_frames, &dir);
- period_size = snd_pcm_frames_to_bytes(handle,period_frames);
- snd_pcm_hw_params_get_buffer_time(hwparams,&buffer_time, &dir);
- snd_pcm_hw_params_get_period_time(hwparams,&period_time, &dir);
-
- // Step 3: Set the desired SW parameters.
- snd_pcm_sw_params_t *swparams;
- snd_pcm_sw_params_alloca(&swparams);
- snd_pcm_sw_params_current(handle, swparams);
- snd_pcm_sw_params_set_start_threshold(handle,swparams,period_frames);
- snd_pcm_sw_params_set_stop_threshold(handle,swparams,buffer_frames);
- snd_pcm_sw_params_set_avail_min(handle, swparams,period_frames);
- snd_pcm_sw_params(handle, swparams);
-
- // Step 4: Prepare audio
- if(audioBuffer == 0)
- audioBuffer = new char[snd_pcm_frames_to_bytes(handle,buffer_frames)];
- snd_pcm_prepare( handle );
- snd_pcm_start(handle);
-
- // Step 5: Setup timer
- bytesAvailable = bytesFree();
-
- // Step 6: Start audio processing
- timer->start(period_time/1000);
-
- clockStamp.restart();
- timeStamp.restart();
- elapsedTimeOffset = 0;
- errorState = QAudio::NoError;
- totalTimeValue = 0;
- opened = true;
-
- return true;
-}
-
-void QAlsaAudioOutput::close()
-{
- timer->stop();
-
- if ( handle ) {
- snd_pcm_drain( handle );
- snd_pcm_close( handle );
- handle = 0;
- delete [] audioBuffer;
- audioBuffer=0;
- }
- if(!pullMode && audioSource) {
- delete audioSource;
- audioSource = 0;
- }
- opened = false;
-}
-
-int QAlsaAudioOutput::bytesFree() const
-{
- if(resuming)
- return period_size;
-
- if(deviceState != QAudio::ActiveState && deviceState != QAudio::IdleState)
- return 0;
-
- int frames = snd_pcm_avail_update(handle);
- if (frames == -EPIPE) {
- // Try and handle buffer underrun
- int err = snd_pcm_recover(handle, frames, 0);
- if (err < 0)
- return 0;
- else
- frames = snd_pcm_avail_update(handle);
- } else if (frames < 0) {
- return 0;
- }
-
- if ((int)frames > (int)buffer_frames)
- frames = buffer_frames;
-
- return snd_pcm_frames_to_bytes(handle, frames);
-}
-
-qint64 QAlsaAudioOutput::write( const char *data, qint64 len )
-{
- // Write out some audio data
- if ( !handle )
- return 0;
-#ifdef DEBUG_AUDIO
- qDebug()<<"frames to write out = "<<
- snd_pcm_bytes_to_frames( handle, (int)len )<<" ("<<len<<") bytes";
-#endif
- int frames, err;
- int space = bytesFree();
-
- if (!space)
- return 0;
-
- if (len < space)
- space = len;
-
- frames = snd_pcm_bytes_to_frames(handle, space);
-
- if (m_volume < 1.0f) {
- QVarLengthArray<char, 4096> out(space);
- QAudioHelperInternal::qMultiplySamples(m_volume, settings, data, out.data(), space);
- err = snd_pcm_writei(handle, out.constData(), frames);
- } else {
- err = snd_pcm_writei(handle, data, frames);
- }
-
- if(err > 0) {
- totalTimeValue += err;
- resuming = false;
- errorState = QAudio::NoError;
- if (deviceState != QAudio::ActiveState) {
- deviceState = QAudio::ActiveState;
- emit stateChanged(deviceState);
- }
- return snd_pcm_frames_to_bytes( handle, err );
- } else
- err = xrun_recovery(err);
-
- if(err < 0) {
- close();
- errorState = QAudio::FatalError;
- emit errorChanged(errorState);
- deviceState = QAudio::StoppedState;
- emit stateChanged(deviceState);
- }
- return 0;
-}
-
-int QAlsaAudioOutput::periodSize() const
-{
- return period_size;
-}
-
-void QAlsaAudioOutput::setBufferSize(int value)
-{
- if(deviceState == QAudio::StoppedState)
- buffer_size = value;
-}
-
-int QAlsaAudioOutput::bufferSize() const
-{
- return buffer_size;
-}
-
-void QAlsaAudioOutput::setNotifyInterval(int ms)
-{
- intervalTime = qMax(0, ms);
-}
-
-int QAlsaAudioOutput::notifyInterval() const
-{
- return intervalTime;
-}
-
-qint64 QAlsaAudioOutput::processedUSecs() const
-{
- return qint64(1000000) * totalTimeValue / settings.sampleRate();
-}
-
-void QAlsaAudioOutput::resume()
-{
- if(deviceState == QAudio::SuspendedState) {
- int err = 0;
-
- if(handle) {
- err = snd_pcm_prepare( handle );
- if(err < 0)
- xrun_recovery(err);
-
- err = snd_pcm_start(handle);
- if(err < 0)
- xrun_recovery(err);
-
- bytesAvailable = (int)snd_pcm_frames_to_bytes(handle, buffer_frames);
- }
- resuming = true;
-
- deviceState = pullMode ? QAudio::ActiveState : QAudio::IdleState;
-
- errorState = QAudio::NoError;
- timer->start(period_time/1000);
- emit stateChanged(deviceState);
- }
-}
-
-void QAlsaAudioOutput::setFormat(const QAudioFormat& fmt)
-{
- if (deviceState == QAudio::StoppedState)
- settings = fmt;
-}
-
-QAudioFormat QAlsaAudioOutput::format() const
-{
- return settings;
-}
-
-void QAlsaAudioOutput::suspend()
-{
- if(deviceState == QAudio::ActiveState || deviceState == QAudio::IdleState || resuming) {
- snd_pcm_drain(handle);
- timer->stop();
- deviceState = QAudio::SuspendedState;
- errorState = QAudio::NoError;
- emit stateChanged(deviceState);
- }
-}
-
-void QAlsaAudioOutput::userFeed()
-{
- if(deviceState == QAudio::StoppedState || deviceState == QAudio::SuspendedState)
- return;
-#ifdef DEBUG_AUDIO
- QTime now(QTime::currentTime());
- qDebug()<<now.second()<<"s "<<now.msec()<<"ms :userFeed() OUT";
-#endif
- if(deviceState == QAudio::IdleState)
- bytesAvailable = bytesFree();
-
- deviceReady();
-}
-
-bool QAlsaAudioOutput::deviceReady()
-{
- if(pullMode) {
- int l = 0;
- int chunks = bytesAvailable/period_size;
- if(chunks==0) {
- bytesAvailable = bytesFree();
- return false;
- }
-#ifdef DEBUG_AUDIO
- qDebug()<<"deviceReady() avail="<<bytesAvailable<<" bytes, period size="<<period_size<<" bytes";
- qDebug()<<"deviceReady() no. of chunks that can fit ="<<chunks<<", chunks in bytes ="<<period_size*chunks;
-#endif
- int input = period_frames*chunks;
- if(input > (int)buffer_frames)
- input = buffer_frames;
- l = audioSource->read(audioBuffer,snd_pcm_frames_to_bytes(handle, input));
-
- // reading can take a while and stream may have been stopped
- if (!handle)
- return false;
-
- if(l > 0) {
- // Got some data to output
- if (deviceState != QAudio::ActiveState && deviceState != QAudio::IdleState)
- return true;
- qint64 bytesWritten = write(audioBuffer,l);
- if (bytesWritten != l)
- audioSource->seek(audioSource->pos()-(l-bytesWritten));
- bytesAvailable = bytesFree();
-
- } else if(l == 0) {
- // Did not get any data to output
- bytesAvailable = bytesFree();
- if(bytesAvailable > snd_pcm_frames_to_bytes(handle, buffer_frames-period_frames)) {
- // Underrun
- if (deviceState != QAudio::IdleState) {
- errorState = QAudio::UnderrunError;
- emit errorChanged(errorState);
- deviceState = QAudio::IdleState;
- emit stateChanged(deviceState);
- }
- }
-
- } else if(l < 0) {
- close();
- deviceState = QAudio::StoppedState;
- errorState = QAudio::IOError;
- emit errorChanged(errorState);
- emit stateChanged(deviceState);
- }
- } else {
- bytesAvailable = bytesFree();
- if(bytesAvailable > snd_pcm_frames_to_bytes(handle, buffer_frames-period_frames)) {
- // Underrun
- if (deviceState != QAudio::IdleState) {
- errorState = QAudio::UnderrunError;
- emit errorChanged(errorState);
- deviceState = QAudio::IdleState;
- emit stateChanged(deviceState);
- }
- }
- }
-
- if(deviceState != QAudio::ActiveState)
- return true;
-
- if(intervalTime && (timeStamp.elapsed() + elapsedTimeOffset) > intervalTime) {
- emit notify();
- elapsedTimeOffset = timeStamp.elapsed() + elapsedTimeOffset - intervalTime;
- timeStamp.restart();
- }
- return true;
-}
-
-qint64 QAlsaAudioOutput::elapsedUSecs() const
-{
- if (deviceState == QAudio::StoppedState)
- return 0;
-
- return clockStamp.elapsed() * qint64(1000);
-}
-
-void QAlsaAudioOutput::reset()
-{
- if(handle)
- snd_pcm_reset(handle);
-
- stop();
-}
-
-AlsaOutputPrivate::AlsaOutputPrivate(QAlsaAudioOutput* audio)
-{
- audioDevice = qobject_cast<QAlsaAudioOutput*>(audio);
-}
-
-AlsaOutputPrivate::~AlsaOutputPrivate() {}
-
-qint64 AlsaOutputPrivate::readData( char* data, qint64 len)
-{
- Q_UNUSED(data);
- Q_UNUSED(len);
-
- return 0;
-}
-
-qint64 AlsaOutputPrivate::writeData(const char* data, qint64 len)
-{
- int retry = 0;
- qint64 written = 0;
- if((audioDevice->deviceState == QAudio::ActiveState)
- ||(audioDevice->deviceState == QAudio::IdleState)) {
- while(written < len) {
- int chunk = audioDevice->write(data+written,(len-written));
- if(chunk <= 0)
- retry++;
- written+=chunk;
- if(retry > 10)
- return written;
- }
- }
- return written;
-
-}
-
-QT_END_NAMESPACE
-
-#include "moc_qalsaaudiooutput.cpp"
diff --git a/src/plugins/alsa/qalsaaudiooutput.h b/src/plugins/alsa/qalsaaudiooutput.h
deleted file mode 100644
index 72b9c2e4c..000000000
--- a/src/plugins/alsa/qalsaaudiooutput.h
+++ /dev/null
@@ -1,164 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt API. It exists for the convenience
-// of other Qt classes. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#ifndef QAUDIOOUTPUTALSA_H
-#define QAUDIOOUTPUTALSA_H
-
-#include <alsa/asoundlib.h>
-
-#include <QtCore/qfile.h>
-#include <QtCore/qdebug.h>
-#include <QtCore/qtimer.h>
-#include <QtCore/qstring.h>
-#include <QtCore/qstringlist.h>
-#include <QtCore/qelapsedtimer.h>
-#include <QtCore/qiodevice.h>
-
-#include <QtMultimedia/qaudio.h>
-#include <QtMultimedia/qaudiodeviceinfo.h>
-#include <QtMultimedia/qaudiosystem.h>
-
-QT_BEGIN_NAMESPACE
-
-class QAlsaAudioOutput : public QAbstractAudioOutput
-{
- friend class AlsaOutputPrivate;
- Q_OBJECT
-public:
- QAlsaAudioOutput(const QByteArray &device);
- ~QAlsaAudioOutput();
-
- qint64 write( const char *data, qint64 len );
-
- void start(QIODevice* device) override;
- QIODevice* start() override;
- void stop() override;
- void reset() override;
- void suspend() override;
- void resume() override;
- int bytesFree() const override;
- int periodSize() const override;
- void setBufferSize(int value) override;
- int bufferSize() const override;
- void setNotifyInterval(int milliSeconds) override;
- int notifyInterval() const override;
- qint64 processedUSecs() const override;
- qint64 elapsedUSecs() const override;
- QAudio::Error error() const override;
- QAudio::State state() const override;
- void setFormat(const QAudioFormat& fmt) override;
- QAudioFormat format() const override;
- void setVolume(qreal) override;
- qreal volume() const override;
-
-
- QIODevice* audioSource;
- QAudioFormat settings;
- QAudio::Error errorState;
- QAudio::State deviceState;
-
-private slots:
- void userFeed();
- bool deviceReady();
-
-signals:
- void processMore();
-
-private:
- bool opened;
- bool pullMode;
- bool resuming;
- int buffer_size;
- int period_size;
- int intervalTime;
- qint64 totalTimeValue;
- unsigned int buffer_time;
- unsigned int period_time;
- snd_pcm_uframes_t buffer_frames;
- snd_pcm_uframes_t period_frames;
- int xrun_recovery(int err);
-
- int setFormat();
- bool open();
- void close();
-
- QTimer* timer;
- QByteArray m_device;
- int bytesAvailable;
- QElapsedTimer timeStamp;
- QElapsedTimer clockStamp;
- qint64 elapsedTimeOffset;
- char* audioBuffer;
- snd_pcm_t* handle;
- snd_pcm_access_t access;
- snd_pcm_format_t pcmformat;
- snd_pcm_hw_params_t *hwparams;
- qreal m_volume;
-};
-
-class AlsaOutputPrivate : public QIODevice
-{
- friend class QAlsaAudioOutput;
- Q_OBJECT
-public:
- AlsaOutputPrivate(QAlsaAudioOutput* audio);
- ~AlsaOutputPrivate();
-
- qint64 readData( char* data, qint64 len) override;
- qint64 writeData(const char* data, qint64 len) override;
-
-private:
- QAlsaAudioOutput *audioDevice;
-};
-
-QT_END_NAMESPACE
-
-
-#endif
diff --git a/src/plugins/alsa/qalsaplugin.cpp b/src/plugins/alsa/qalsaplugin.cpp
deleted file mode 100644
index e52e9ee83..000000000
--- a/src/plugins/alsa/qalsaplugin.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-/****************************************************************************
-**
-** 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 "qalsaplugin.h"
-#include "qalsaaudiodeviceinfo.h"
-#include "qalsaaudioinput.h"
-#include "qalsaaudiooutput.h"
-
-QT_BEGIN_NAMESPACE
-
-QAlsaPlugin::QAlsaPlugin(QObject *parent)
- : QAudioSystemPlugin(parent)
-{
-}
-
-QByteArray QAlsaPlugin::defaultDevice(QAudio::Mode mode) const
-{
- return QAlsaAudioDeviceInfo::defaultDevice(mode);
-}
-
-QList<QByteArray> QAlsaPlugin::availableDevices(QAudio::Mode mode) const
-{
- return QAlsaAudioDeviceInfo::availableDevices(mode);
-}
-
-QAbstractAudioInput *QAlsaPlugin::createInput(const QByteArray &device)
-{
- return new QAlsaAudioInput(device);
-}
-
-QAbstractAudioOutput *QAlsaPlugin::createOutput(const QByteArray &device)
-{
- return new QAlsaAudioOutput(device);
-}
-
-QAbstractAudioDeviceInfo *QAlsaPlugin::createDeviceInfo(const QByteArray &device, QAudio::Mode mode)
-{
- return new QAlsaAudioDeviceInfo(device, mode);
-}
-
-QT_END_NAMESPACE
diff --git a/src/plugins/alsa/qalsaplugin.h b/src/plugins/alsa/qalsaplugin.h
deleted file mode 100644
index cebede13b..000000000
--- a/src/plugins/alsa/qalsaplugin.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/****************************************************************************
-**
-** 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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QALSAPLUGIN_H
-#define QALSAPLUGIN_H
-
-#include <QtMultimedia/qaudiosystemplugin.h>
-#include <QtMultimedia/private/qaudiosystempluginext_p.h>
-
-QT_BEGIN_NAMESPACE
-
-class QAlsaPlugin : public QAudioSystemPlugin, public QAudioSystemPluginExtension
-{
- Q_OBJECT
-
- Q_PLUGIN_METADATA(IID "org.qt-project.qt.audiosystemfactory/5.0" FILE "alsa.json")
- Q_INTERFACES(QAudioSystemPluginExtension)
-
-public:
- QAlsaPlugin(QObject *parent = 0);
- ~QAlsaPlugin() {}
-
- QByteArray defaultDevice(QAudio::Mode mode) const override;
- QList<QByteArray> availableDevices(QAudio::Mode mode) const override;
- QAbstractAudioInput *createInput(const QByteArray &device) override;
- QAbstractAudioOutput *createOutput(const QByteArray &device) override;
- QAbstractAudioDeviceInfo *createDeviceInfo(const QByteArray &device, QAudio::Mode mode) override;
-};
-
-QT_END_NAMESPACE
-
-#endif // QALSAPLUGIN_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 08:07:02 +0000