Move win32 and Alsa audio backends into plugins.
Change-Id: I9835cf5ee97900569f26421a19543b485e933051 Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
This commit is contained in:
Christian Strømme
committed by
The Qt Project
The Qt Project
parent
0ab81ef59f
commit
2d54da2d39
490
src/plugins/windowsaudio/qwindowsaudiodeviceinfo.cpp
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490
src/plugins/windowsaudio/qwindowsaudiodeviceinfo.cpp
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@@ -0,0 +1,490 @@
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** Commercial License Usage
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||||
** Licensees holding valid commercial Qt licenses may use this file in
|
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** accordance with the commercial license agreement provided with the
|
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** Software or, alternatively, in accordance with the terms contained in
|
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** a written agreement between you and Digia. For licensing terms and
|
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** conditions see http://qt.digia.com/licensing. For further information
|
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** use the contact form at http://qt.digia.com/contact-us.
|
||||
**
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||||
** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
|
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** General Public License version 2.1 as published by the Free Software
|
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** Foundation and appearing in the file LICENSE.LGPL included in the
|
||||
** packaging of this file. Please review the following information to
|
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** ensure the GNU Lesser General Public License version 2.1 requirements
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||||
** will be met: 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, Digia gives you certain additional
|
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** rights. These rights are described in the Digia 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
|
||||
** Alternatively, this file may be used under the terms of the GNU
|
||||
** General Public License version 3.0 as published by the Free Software
|
||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
||||
** packaging of this file. Please review the following information to
|
||||
** ensure the GNU General Public License version 3.0 requirements will be
|
||||
** met: http://www.gnu.org/copyleft/gpl.html.
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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 <QtCore/qt_windows.h>
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#include <mmsystem.h>
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#include "qwindowsaudiodeviceinfo.h"
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#if defined(Q_CC_MINGW) && !defined(__MINGW64_VERSION_MAJOR)
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struct IBaseFilter; // Needed for strmif.h from stock MinGW.
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struct _DDPIXELFORMAT;
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typedef struct _DDPIXELFORMAT* LPDDPIXELFORMAT;
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#endif
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#include <strmif.h>
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#if !defined(Q_CC_MINGW) || defined(__MINGW64_VERSION_MAJOR)
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# include <uuids.h>
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#else
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extern GUID CLSID_AudioInputDeviceCategory;
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extern GUID CLSID_AudioRendererCategory;
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extern GUID IID_ICreateDevEnum;
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extern GUID CLSID_SystemDeviceEnum;
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#ifndef __ICreateDevEnum_INTERFACE_DEFINED__
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#define __ICreateDevEnum_INTERFACE_DEFINED__
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DECLARE_INTERFACE_(ICreateDevEnum, IUnknown)
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{
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STDMETHOD(CreateClassEnumerator)(REFCLSID clsidDeviceClass,
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IEnumMoniker **ppEnumMoniker,
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DWORD dwFlags) PURE;
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};
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#endif // __ICreateDevEnum_INTERFACE_DEFINED__
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#ifndef __IErrorLog_INTERFACE_DEFINED__
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#define __IErrorLog_INTERFACE_DEFINED__
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DECLARE_INTERFACE_(IErrorLog, IUnknown)
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{
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STDMETHOD(AddError)(THIS_ LPCOLESTR, EXCEPINFO *) PURE;
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};
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#endif /* __IErrorLog_INTERFACE_DEFINED__ */
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#ifndef __IPropertyBag_INTERFACE_DEFINED__
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#define __IPropertyBag_INTERFACE_DEFINED__
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const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}};
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DECLARE_INTERFACE_(IPropertyBag, IUnknown)
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{
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STDMETHOD(Read)(THIS_ LPCOLESTR, VARIANT *, IErrorLog *) PURE;
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STDMETHOD(Write)(THIS_ LPCOLESTR, VARIANT *) PURE;
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};
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#endif /* __IPropertyBag_INTERFACE_DEFINED__ */
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#endif // defined(Q_CC_MINGW) && !defined(__MINGW64_VERSION_MAJOR)
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QT_BEGIN_NAMESPACE
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// For mingw toolchain mmsystem.h only defines half the defines, so add if needed.
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#ifndef WAVE_FORMAT_44M08
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#define WAVE_FORMAT_44M08 0x00000100
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#define WAVE_FORMAT_44S08 0x00000200
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#define WAVE_FORMAT_44M16 0x00000400
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#define WAVE_FORMAT_44S16 0x00000800
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#define WAVE_FORMAT_48M08 0x00001000
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#define WAVE_FORMAT_48S08 0x00002000
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#define WAVE_FORMAT_48M16 0x00004000
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#define WAVE_FORMAT_48S16 0x00008000
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#define WAVE_FORMAT_96M08 0x00010000
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#define WAVE_FORMAT_96S08 0x00020000
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#define WAVE_FORMAT_96M16 0x00040000
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#define WAVE_FORMAT_96S16 0x00080000
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#endif
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QWindowsAudioDeviceInfo::QWindowsAudioDeviceInfo(QByteArray dev, QAudio::Mode mode)
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{
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QDataStream ds(&dev, QIODevice::ReadOnly);
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ds >> devId >> device;
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this->mode = mode;
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updateLists();
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}
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QWindowsAudioDeviceInfo::~QWindowsAudioDeviceInfo()
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{
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close();
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}
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bool QWindowsAudioDeviceInfo::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 QWindowsAudioDeviceInfo::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.setSampleRate(44100);
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nearest.setChannelCount(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.setSampleRate(11025);
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nearest.setChannelCount(1);
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nearest.setByteOrder(QAudioFormat::LittleEndian);
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nearest.setSampleType(QAudioFormat::SignedInt);
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nearest.setSampleSize(8);
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nearest.setCodec(QLatin1String("audio/pcm"));
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}
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return nearest;
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}
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QString QWindowsAudioDeviceInfo::deviceName() const
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{
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return device;
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}
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QStringList QWindowsAudioDeviceInfo::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> QWindowsAudioDeviceInfo::supportedSampleRates()
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{
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updateLists();
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return sampleRatez;
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}
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QList<int> QWindowsAudioDeviceInfo::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> QWindowsAudioDeviceInfo::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> QWindowsAudioDeviceInfo::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> QWindowsAudioDeviceInfo::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 QWindowsAudioDeviceInfo::open()
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{
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return true;
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}
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void QWindowsAudioDeviceInfo::close()
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{
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}
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bool QWindowsAudioDeviceInfo::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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bool failed = false;
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bool match = false;
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// check codec
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for( int i = 0; i < codecz.count(); i++) {
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if (format.codec() == codecz.at(i))
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match = true;
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}
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if (!match) failed = true;
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// check channel
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match = false;
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if (!failed) {
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for (int i = 0; i < channelz.count(); i++) {
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if (format.channelCount() == channelz.at(i)) {
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match = true;
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break;
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}
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}
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if (!match)
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failed = true;
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}
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// check sampleRate
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match = false;
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if (!failed) {
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for (int i = 0; i < sampleRatez.count(); i++) {
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if (format.sampleRate() == sampleRatez.at(i)) {
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match = true;
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break;
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}
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}
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if (!match)
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failed = true;
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}
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// check sample size
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match = false;
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if (!failed) {
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for( int i = 0; i < sizez.count(); i++) {
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if (format.sampleSize() == sizez.at(i)) {
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match = true;
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break;
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}
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}
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if (!match)
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failed = true;
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}
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// check byte order
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match = false;
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if (!failed) {
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for( int i = 0; i < byteOrderz.count(); i++) {
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if (format.byteOrder() == byteOrderz.at(i)) {
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match = true;
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break;
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}
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}
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if (!match)
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failed = true;
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}
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// check sample type
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match = false;
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if (!failed) {
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for( int i = 0; i < typez.count(); i++) {
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if (format.sampleType() == typez.at(i)) {
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match = true;
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break;
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}
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}
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if (!match)
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failed = true;
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}
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if(!failed) {
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// settings work
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return true;
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}
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return false;
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}
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void QWindowsAudioDeviceInfo::updateLists()
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{
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// redo all lists based on current settings
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bool match = false;
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DWORD fmt = 0;
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if(mode == QAudio::AudioOutput) {
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WAVEOUTCAPS woc;
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if (waveOutGetDevCaps(devId, &woc, sizeof(WAVEOUTCAPS)) == MMSYSERR_NOERROR) {
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match = true;
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fmt = woc.dwFormats;
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}
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} else {
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WAVEINCAPS woc;
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if (waveInGetDevCaps(devId, &woc, sizeof(WAVEINCAPS)) == MMSYSERR_NOERROR) {
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match = true;
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fmt = woc.dwFormats;
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}
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}
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sizez.clear();
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sampleRatez.clear();
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channelz.clear();
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byteOrderz.clear();
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typez.clear();
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codecz.clear();
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if(match) {
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if ((fmt & WAVE_FORMAT_1M08)
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|| (fmt & WAVE_FORMAT_1S08)
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|| (fmt & WAVE_FORMAT_2M08)
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|| (fmt & WAVE_FORMAT_2S08)
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|| (fmt & WAVE_FORMAT_4M08)
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|| (fmt & WAVE_FORMAT_4S08)
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|| (fmt & WAVE_FORMAT_48M08)
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|| (fmt & WAVE_FORMAT_48S08)
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|| (fmt & WAVE_FORMAT_96M08)
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|| (fmt & WAVE_FORMAT_96S08)
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) {
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sizez.append(8);
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}
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if ((fmt & WAVE_FORMAT_1M16)
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|| (fmt & WAVE_FORMAT_1S16)
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|| (fmt & WAVE_FORMAT_2M16)
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|| (fmt & WAVE_FORMAT_2S16)
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|| (fmt & WAVE_FORMAT_4M16)
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|| (fmt & WAVE_FORMAT_4S16)
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|| (fmt & WAVE_FORMAT_48M16)
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|| (fmt & WAVE_FORMAT_48S16)
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|| (fmt & WAVE_FORMAT_96M16)
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|| (fmt & WAVE_FORMAT_96S16)
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) {
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sizez.append(16);
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}
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if ((fmt & WAVE_FORMAT_1M08)
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|| (fmt & WAVE_FORMAT_1S08)
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|| (fmt & WAVE_FORMAT_1M16)
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|| (fmt & WAVE_FORMAT_1S16)) {
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sampleRatez.append(11025);
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}
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if ((fmt & WAVE_FORMAT_2M08)
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|| (fmt & WAVE_FORMAT_2S08)
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|| (fmt & WAVE_FORMAT_2M16)
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|| (fmt & WAVE_FORMAT_2S16)) {
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sampleRatez.append(22050);
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}
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if ((fmt & WAVE_FORMAT_4M08)
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|| (fmt & WAVE_FORMAT_4S08)
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|| (fmt & WAVE_FORMAT_4M16)
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|| (fmt & WAVE_FORMAT_4S16)) {
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sampleRatez.append(44100);
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}
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if ((fmt & WAVE_FORMAT_48M08)
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|| (fmt & WAVE_FORMAT_48S08)
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|| (fmt & WAVE_FORMAT_48M16)
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|| (fmt & WAVE_FORMAT_48S16)) {
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sampleRatez.append(48000);
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}
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if ((fmt & WAVE_FORMAT_96M08)
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|| (fmt & WAVE_FORMAT_96S08)
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|| (fmt & WAVE_FORMAT_96M16)
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|| (fmt & WAVE_FORMAT_96S16)) {
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sampleRatez.append(96000);
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}
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channelz.append(1);
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channelz.append(2);
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if (mode == QAudio::AudioOutput) {
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channelz.append(4);
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channelz.append(6);
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channelz.append(8);
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}
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byteOrderz.append(QAudioFormat::LittleEndian);
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typez.append(QAudioFormat::SignedInt);
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typez.append(QAudioFormat::UnSignedInt);
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codecz.append(QLatin1String("audio/pcm"));
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}
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if (sampleRatez.count() > 0)
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sampleRatez.prepend(8000);
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}
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QList<QByteArray> QWindowsAudioDeviceInfo::availableDevices(QAudio::Mode mode)
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{
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Q_UNUSED(mode)
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QList<QByteArray> devices;
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//enumerate device fullnames through directshow api
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CoInitialize(NULL);
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ICreateDevEnum *pDevEnum = NULL;
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IEnumMoniker *pEnum = NULL;
|
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// Create the System device enumerator
|
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HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
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CLSCTX_INPROC_SERVER, IID_ICreateDevEnum,
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reinterpret_cast<void **>(&pDevEnum));
|
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|
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unsigned long iNumDevs = mode == QAudio::AudioOutput ? waveOutGetNumDevs() : waveInGetNumDevs();
|
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if (SUCCEEDED(hr)) {
|
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// Create the enumerator for the audio input/output category
|
||||
if (pDevEnum->CreateClassEnumerator(
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mode == QAudio::AudioOutput ? CLSID_AudioRendererCategory : CLSID_AudioInputDeviceCategory,
|
||||
&pEnum, 0) == S_OK) {
|
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pEnum->Reset();
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||||
// go through and find all audio devices
|
||||
IMoniker *pMoniker = NULL;
|
||||
while (pEnum->Next(1, &pMoniker, NULL) == S_OK) {
|
||||
IPropertyBag *pPropBag;
|
||||
hr = pMoniker->BindToStorage(0,0,IID_IPropertyBag,
|
||||
reinterpret_cast<void **>(&pPropBag));
|
||||
if (FAILED(hr)) {
|
||||
pMoniker->Release();
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continue; // skip this one
|
||||
}
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||||
// Find if it is a wave device
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VARIANT var;
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VariantInit(&var);
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||||
hr = pPropBag->Read(mode == QAudio::AudioOutput ? L"WaveOutID" : L"WaveInID", &var, 0);
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||||
if (SUCCEEDED(hr)) {
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LONG waveID = var.lVal;
|
||||
if (waveID >= 0 && waveID < LONG(iNumDevs)) {
|
||||
VariantClear(&var);
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||||
// Find the description
|
||||
hr = pPropBag->Read(L"FriendlyName", &var, 0);
|
||||
if (SUCCEEDED(hr)) {
|
||||
QByteArray device;
|
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QDataStream ds(&device, QIODevice::WriteOnly);
|
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ds << quint32(waveID) << QString::fromWCharArray(var.bstrVal);
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||||
devices.append(device);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pPropBag->Release();
|
||||
pMoniker->Release();
|
||||
}
|
||||
}
|
||||
}
|
||||
CoUninitialize();
|
||||
|
||||
return devices;
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||||
}
|
||||
|
||||
QByteArray QWindowsAudioDeviceInfo::defaultOutputDevice()
|
||||
{
|
||||
QByteArray defaultDevice;
|
||||
QDataStream ds(&defaultDevice, QIODevice::WriteOnly);
|
||||
ds << quint32(WAVE_MAPPER) // device ID for default device
|
||||
<< QStringLiteral("Default Output Device");
|
||||
|
||||
return defaultDevice;
|
||||
}
|
||||
|
||||
QByteArray QWindowsAudioDeviceInfo::defaultInputDevice()
|
||||
{
|
||||
QByteArray defaultDevice;
|
||||
QDataStream ds(&defaultDevice, QIODevice::WriteOnly);
|
||||
ds << quint32(WAVE_MAPPER) // device ID for default device
|
||||
<< QStringLiteral("Default Input Device");
|
||||
|
||||
return defaultDevice;
|
||||
}
|
||||
|
||||
QT_END_NAMESPACE
|
||||
Reference in New Issue
Block a user