Rename QtMultimediaKit to QtMultimedia.
There are a few legacy bits left in place so it passes CI, and then qt5.git etc can be updated. Change-Id: I6b082e50e6958c72fdabc2974992e16d90dafa3a Reviewed-on: http://codereview.qt-project.org/5368 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
This commit is contained in:
Michael Goddard
committed by
Qt by Nokia
Qt by Nokia
parent
55bc4f2b46
commit
03f22bcdaf
535
src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
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535
src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
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@@ -0,0 +1,535 @@
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of other Qt classes. This header file may change from version to
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// version without notice, or even be removed.
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//
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// INTERNAL USE ONLY: Do NOT use for any other purpose.
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//
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#include "qaudiodeviceinfo_alsa_p.h"
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#include <alsa/version.h>
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QT_BEGIN_NAMESPACE
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QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode mode)
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{
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handle = 0;
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device = QLatin1String(dev);
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this->mode = mode;
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checkSurround();
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}
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QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal()
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{
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close();
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}
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bool QAudioDeviceInfoInternal::isFormatSupported(const QAudioFormat& format) const
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{
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return testSettings(format);
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}
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QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const
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{
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QAudioFormat nearest;
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if(mode == QAudio::AudioOutput) {
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nearest.setFrequency(44100);
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nearest.setChannels(2);
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nearest.setByteOrder(QAudioFormat::LittleEndian);
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nearest.setSampleType(QAudioFormat::SignedInt);
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nearest.setSampleSize(16);
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nearest.setCodec(QLatin1String("audio/pcm"));
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} else {
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nearest.setFrequency(8000);
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nearest.setChannels(1);
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nearest.setSampleType(QAudioFormat::UnSignedInt);
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nearest.setSampleSize(8);
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nearest.setCodec(QLatin1String("audio/pcm"));
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if(!testSettings(nearest)) {
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nearest.setChannels(2);
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nearest.setSampleSize(16);
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nearest.setSampleType(QAudioFormat::SignedInt);
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}
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}
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return nearest;
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}
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QString QAudioDeviceInfoInternal::deviceName() const
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{
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return device;
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}
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QStringList QAudioDeviceInfoInternal::supportedCodecs()
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{
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updateLists();
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return codecz;
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}
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QList<int> QAudioDeviceInfoInternal::supportedSampleRates()
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{
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updateLists();
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return freqz;
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}
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QList<int> QAudioDeviceInfoInternal::supportedChannelCounts()
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{
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updateLists();
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return channelz;
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}
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QList<int> QAudioDeviceInfoInternal::supportedSampleSizes()
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{
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updateLists();
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return sizez;
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}
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QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::supportedByteOrders()
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{
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updateLists();
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return byteOrderz;
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}
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QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::supportedSampleTypes()
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{
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updateLists();
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return typez;
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}
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bool QAudioDeviceInfoInternal::open()
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{
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int err = 0;
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QString dev = device;
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QList<QByteArray> devices = availableDevices(mode);
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if(dev.compare(QLatin1String("default")) == 0) {
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#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
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if (devices.size() > 0)
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dev = QLatin1String(devices.first().constData());
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else
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return false;
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#else
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dev = QLatin1String("hw:0,0");
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#endif
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} else {
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#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
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dev = device;
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#else
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int idx = 0;
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char *name;
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QString shortName = device.mid(device.indexOf(QLatin1String("="),0)+1);
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while(snd_card_get_name(idx,&name) == 0) {
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if(dev.contains(QLatin1String(name)))
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break;
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idx++;
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}
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dev = QString(QLatin1String("hw:%1,0")).arg(idx);
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#endif
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}
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if(mode == QAudio::AudioOutput) {
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err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_PLAYBACK,0);
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} else {
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err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_CAPTURE,0);
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}
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if(err < 0) {
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handle = 0;
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return false;
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}
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return true;
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}
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void QAudioDeviceInfoInternal::close()
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{
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if(handle)
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snd_pcm_close(handle);
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handle = 0;
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}
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bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
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{
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// Set nearest to closest settings that do work.
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// See if what is in settings will work (return value).
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int err = 0;
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snd_pcm_t* handle;
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snd_pcm_hw_params_t *params;
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QString dev = device;
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QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioOutput);
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if(dev.compare(QLatin1String("default")) == 0) {
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#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
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dev = QLatin1String(devices.first().constData());
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#else
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dev = QLatin1String("hw:0,0");
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#endif
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} else {
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#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
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dev = device;
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#else
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int idx = 0;
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char *name;
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QString shortName = device.mid(device.indexOf(QLatin1String("="),0)+1);
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while(snd_card_get_name(idx,&name) == 0) {
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if(shortName.compare(QLatin1String(name)) == 0)
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break;
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idx++;
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}
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dev = QString(QLatin1String("hw:%1,0")).arg(idx);
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#endif
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}
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if(mode == QAudio::AudioOutput) {
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err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_PLAYBACK,0);
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} else {
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err=snd_pcm_open( &handle,dev.toLocal8Bit().constData(),SND_PCM_STREAM_CAPTURE,0);
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}
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if(err < 0) {
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handle = 0;
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return false;
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}
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bool testChannel = false;
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bool testCodec = false;
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bool testFreq = false;
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bool testType = false;
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bool testSize = false;
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int dir = 0;
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snd_pcm_nonblock( handle, 0 );
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snd_pcm_hw_params_alloca( ¶ms );
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snd_pcm_hw_params_any( handle, params );
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// set the values!
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snd_pcm_hw_params_set_channels(handle,params,format.channels());
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snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir);
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err = -1;
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switch(format.sampleSize()) {
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case 8:
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if(format.sampleType() == QAudioFormat::SignedInt)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S8);
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else if(format.sampleType() == QAudioFormat::UnSignedInt)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U8);
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break;
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case 16:
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if(format.sampleType() == QAudioFormat::SignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_BE);
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} else if(format.sampleType() == QAudioFormat::UnSignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_BE);
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}
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break;
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case 32:
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if(format.sampleType() == QAudioFormat::SignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_BE);
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} else if(format.sampleType() == QAudioFormat::UnSignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE);
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}
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}
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// For now, just accept only audio/pcm codec
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if(!format.codec().startsWith(QLatin1String("audio/pcm"))) {
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err=-1;
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} else
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testCodec = true;
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if(err>=0 && format.channels() != -1) {
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err = snd_pcm_hw_params_test_channels(handle,params,format.channels());
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if(err>=0)
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err = snd_pcm_hw_params_set_channels(handle,params,format.channels());
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if(err>=0)
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testChannel = true;
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}
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if(err>=0 && format.frequency() != -1) {
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err = snd_pcm_hw_params_test_rate(handle,params,format.frequency(),0);
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if(err>=0)
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err = snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir);
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if(err>=0)
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testFreq = true;
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}
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if((err>=0 && format.sampleSize() != -1) &&
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(format.sampleType() != QAudioFormat::Unknown)) {
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switch(format.sampleSize()) {
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case 8:
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if(format.sampleType() == QAudioFormat::SignedInt)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S8);
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else if(format.sampleType() == QAudioFormat::UnSignedInt)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U8);
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break;
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case 16:
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if(format.sampleType() == QAudioFormat::SignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_BE);
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} else if(format.sampleType() == QAudioFormat::UnSignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_BE);
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}
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break;
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case 32:
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if(format.sampleType() == QAudioFormat::SignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_BE);
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} else if(format.sampleType() == QAudioFormat::UnSignedInt) {
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if(format.byteOrder() == QAudioFormat::LittleEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE);
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else if(format.byteOrder() == QAudioFormat::BigEndian)
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err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE);
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}
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}
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if(err>=0) {
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testSize = true;
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testType = true;
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}
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}
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if(err>=0)
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err = snd_pcm_hw_params(handle, params);
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if(err == 0) {
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// settings work
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// close()
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if(handle)
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snd_pcm_close(handle);
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return true;
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}
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if(handle)
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snd_pcm_close(handle);
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return false;
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}
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void QAudioDeviceInfoInternal::updateLists()
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{
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// redo all lists based on current settings
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freqz.clear();
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channelz.clear();
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sizez.clear();
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byteOrderz.clear();
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typez.clear();
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codecz.clear();
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if(!handle)
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open();
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if(!handle)
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return;
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for(int i=0; i<(int)MAX_SAMPLE_RATES; i++) {
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//if(snd_pcm_hw_params_test_rate(handle, params, SAMPLE_RATES[i], dir) == 0)
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freqz.append(SAMPLE_RATES[i]);
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}
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channelz.append(1);
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channelz.append(2);
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if (surround40) channelz.append(4);
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if (surround51) channelz.append(6);
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if (surround71) channelz.append(8);
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sizez.append(8);
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sizez.append(16);
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sizez.append(32);
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byteOrderz.append(QAudioFormat::LittleEndian);
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byteOrderz.append(QAudioFormat::BigEndian);
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typez.append(QAudioFormat::SignedInt);
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typez.append(QAudioFormat::UnSignedInt);
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typez.append(QAudioFormat::Float);
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codecz.append(QLatin1String("audio/pcm"));
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close();
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}
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QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode)
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{
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QList<QByteArray> allDevices;
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QList<QByteArray> devices;
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QByteArray filter;
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#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14)
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// Create a list of all current audio devices that support mode
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void **hints, **n;
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char *name, *descr, *io;
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if(snd_device_name_hint(-1, "pcm", &hints) < 0) {
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qWarning() << "no alsa devices available";
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return devices;
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}
|
||||
n = hints;
|
||||
|
||||
if(mode == QAudio::AudioInput) {
|
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filter = "Input";
|
||||
} else {
|
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filter = "Output";
|
||||
}
|
||||
|
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while (*n != NULL) {
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||||
name = snd_device_name_get_hint(*n, "NAME");
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||||
if (name != 0 && qstrcmp(name, "null") != 0) {
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descr = snd_device_name_get_hint(*n, "DESC");
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io = snd_device_name_get_hint(*n, "IOID");
|
||||
|
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if ((descr != NULL) && ((io == NULL) || (io == filter))) {
|
||||
QString deviceName = QLatin1String(name);
|
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QString deviceDescription = QLatin1String(descr);
|
||||
allDevices.append(deviceName.toLocal8Bit().constData());
|
||||
if (deviceDescription.contains(QLatin1String("Default Audio Device")))
|
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devices.append(deviceName.toLocal8Bit().constData());
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||||
}
|
||||
|
||||
free(name);
|
||||
if (descr != NULL)
|
||||
free(descr);
|
||||
if (io != NULL)
|
||||
free(io);
|
||||
}
|
||||
++n;
|
||||
}
|
||||
snd_device_name_free_hint(hints);
|
||||
|
||||
if(devices.size() > 0) {
|
||||
devices.append("default");
|
||||
}
|
||||
#else
|
||||
int idx = 0;
|
||||
char* name;
|
||||
|
||||
while(snd_card_get_name(idx,&name) == 0) {
|
||||
devices.append(name);
|
||||
idx++;
|
||||
}
|
||||
if (idx > 0)
|
||||
devices.append("default");
|
||||
#endif
|
||||
#if !defined(Q_WS_MAEMO_6)
|
||||
if (devices.size() == 0 && allDevices.size() > 0)
|
||||
return allDevices;
|
||||
#endif
|
||||
|
||||
return devices;
|
||||
}
|
||||
|
||||
QByteArray QAudioDeviceInfoInternal::defaultInputDevice()
|
||||
{
|
||||
QList<QByteArray> devices = availableDevices(QAudio::AudioInput);
|
||||
if(devices.size() == 0)
|
||||
return QByteArray();
|
||||
|
||||
return devices.first();
|
||||
}
|
||||
|
||||
QByteArray QAudioDeviceInfoInternal::defaultOutputDevice()
|
||||
{
|
||||
QList<QByteArray> devices = availableDevices(QAudio::AudioOutput);
|
||||
if(devices.size() == 0)
|
||||
return QByteArray();
|
||||
|
||||
return devices.first();
|
||||
}
|
||||
|
||||
void QAudioDeviceInfoInternal::checkSurround()
|
||||
{
|
||||
QList<QByteArray> devices;
|
||||
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);
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
Reference in New Issue
Block a user