diff options
Diffstat (limited to 'src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp new file mode 100644 index 000000000..10b9b777d --- /dev/null +++ b/src/multimedia/audio/qaudiodeviceinfo_win32_p.cpp @@ -0,0 +1,465 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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 <windows.h> +#include <mmsystem.h> +#include "qaudiodeviceinfo_win32_p.h" +#include <dshow.h> + +#if defined(Q_CC_MINGW) + +extern GUID CLSID_AudioInputDeviceCategory; + +#ifndef __IErrorLog_INTERFACE_DEFINED__ +#define __IErrorLog_INTERFACE_DEFINED__ + +DECLARE_INTERFACE_(IErrorLog, IUnknown) +{ + STDMETHOD(AddError)(THIS_ LPCOLESTR, EXCEPINFO *) PURE; +}; + +#endif /* __IErrorLog_INTERFACE_DEFINED__ */ + +#ifndef __IPropertyBag_INTERFACE_DEFINED__ +#define __IPropertyBag_INTERFACE_DEFINED__ + +const GUID IID_IPropertyBag = {0x55272A00, 0x42CB, 0x11CE, {0x81, 0x35, 0x00, 0xAA, 0x00, 0x4B, 0xB8, 0x51}}; + +DECLARE_INTERFACE_(IPropertyBag, IUnknown) +{ + STDMETHOD(Read)(THIS_ LPCOLESTR, VARIANT *, IErrorLog *) PURE; + STDMETHOD(Write)(THIS_ LPCOLESTR, VARIANT *) PURE; +}; + +#endif /* __IPropertyBag_INTERFACE_DEFINED__ */ + +#endif//Q_CC_MINGW + +QT_BEGIN_NAMESPACE + +// For mingw toolchain mmsystem.h only defines half the defines, so add if needed. +#ifndef WAVE_FORMAT_44M08 +#define WAVE_FORMAT_44M08 0x00000100 +#define WAVE_FORMAT_44S08 0x00000200 +#define WAVE_FORMAT_44M16 0x00000400 +#define WAVE_FORMAT_44S16 0x00000800 +#define WAVE_FORMAT_48M08 0x00001000 +#define WAVE_FORMAT_48S08 0x00002000 +#define WAVE_FORMAT_48M16 0x00004000 +#define WAVE_FORMAT_48S16 0x00008000 +#define WAVE_FORMAT_96M08 0x00010000 +#define WAVE_FORMAT_96S08 0x00020000 +#define WAVE_FORMAT_96M16 0x00040000 +#define WAVE_FORMAT_96S16 0x00080000 +#endif + + +QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode mode) +{ + QDataStream ds(&dev, QIODevice::ReadOnly); + ds >> devId >> device; + this->mode = mode; + + updateLists(); +} + +QAudioDeviceInfoInternal::~QAudioDeviceInfoInternal() +{ + close(); +} + +bool QAudioDeviceInfoInternal::isFormatSupported(const QAudioFormat& format) const +{ + return testSettings(format); +} + +QAudioFormat QAudioDeviceInfoInternal::preferredFormat() const +{ + QAudioFormat nearest; + if(mode == QAudio::AudioOutput) { + nearest.setFrequency(44100); + nearest.setChannelCount(2); + nearest.setByteOrder(QAudioFormat::LittleEndian); + nearest.setSampleType(QAudioFormat::SignedInt); + nearest.setSampleSize(16); + nearest.setCodec(QLatin1String("audio/pcm")); + } else { + nearest.setFrequency(11025); + nearest.setChannelCount(1); + nearest.setByteOrder(QAudioFormat::LittleEndian); + nearest.setSampleType(QAudioFormat::SignedInt); + nearest.setSampleSize(8); + nearest.setCodec(QLatin1String("audio/pcm")); + } + return nearest; +} + +QString QAudioDeviceInfoInternal::deviceName() const +{ + return device; +} + +QStringList QAudioDeviceInfoInternal::supportedCodecs() +{ + updateLists(); + return codecz; +} + +QList<int> QAudioDeviceInfoInternal::supportedSampleRates() +{ + updateLists(); + return freqz; +} + +QList<int> QAudioDeviceInfoInternal::supportedChannelCounts() +{ + updateLists(); + return channelz; +} + +QList<int> QAudioDeviceInfoInternal::supportedSampleSizes() +{ + updateLists(); + return sizez; +} + +QList<QAudioFormat::Endian> QAudioDeviceInfoInternal::supportedByteOrders() +{ + updateLists(); + return byteOrderz; +} + +QList<QAudioFormat::SampleType> QAudioDeviceInfoInternal::supportedSampleTypes() +{ + updateLists(); + return typez; +} + + +bool QAudioDeviceInfoInternal::open() +{ + return true; +} + +void QAudioDeviceInfoInternal::close() +{ +} + +bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const +{ + // Set nearest to closest settings that do work. + // See if what is in settings will work (return value). + + bool failed = false; + bool match = false; + + // check codec + for( int i = 0; i < codecz.count(); i++) { + if (format.codec() == codecz.at(i)) + match = true; + } + if (!match) failed = true; + + // check channel + match = false; + if (!failed) { + for( int i = 0; i < channelz.count(); i++) { + if (format.channels() == channelz.at(i)) { + match = true; + break; + } + } + if (!match) + failed = true; + } + + // check frequency + match = false; + if (!failed) { + for( int i = 0; i < freqz.count(); i++) { + if (format.frequency() == freqz.at(i)) { + match = true; + break; + } + } + if (!match) + failed = true; + } + + // check sample size + match = false; + if (!failed) { + for( int i = 0; i < sizez.count(); i++) { + if (format.sampleSize() == sizez.at(i)) { + match = true; + break; + } + } + if (!match) + failed = true; + } + + // check byte order + match = false; + if (!failed) { + for( int i = 0; i < byteOrderz.count(); i++) { + if (format.byteOrder() == byteOrderz.at(i)) { + match = true; + break; + } + } + if (!match) + failed = true; + } + + // check sample type + match = false; + if (!failed) { + for( int i = 0; i < typez.count(); i++) { + if (format.sampleType() == typez.at(i)) { + match = true; + break; + } + } + if (!match) + failed = true; + } + + if(!failed) { + // settings work + return true; + } + return false; +} + +void QAudioDeviceInfoInternal::updateLists() +{ + // redo all lists based on current settings + bool match = false; + DWORD fmt = NULL; + + if(mode == QAudio::AudioOutput) { + WAVEOUTCAPS woc; + if (waveOutGetDevCaps(devId, &woc, sizeof(WAVEOUTCAPS)) == MMSYSERR_NOERROR) { + match = true; + fmt = woc.dwFormats; + } + } else { + WAVEINCAPS woc; + if (waveInGetDevCaps(devId, &woc, sizeof(WAVEINCAPS)) == MMSYSERR_NOERROR) { + match = true; + fmt = woc.dwFormats; + } + } + sizez.clear(); + freqz.clear(); + channelz.clear(); + byteOrderz.clear(); + typez.clear(); + codecz.clear(); + + if(match) { + if((fmt && WAVE_FORMAT_1M08) + || (fmt && WAVE_FORMAT_1S08) + || (fmt && WAVE_FORMAT_2M08) + || (fmt && WAVE_FORMAT_2S08) + || (fmt && WAVE_FORMAT_4M08) + || (fmt && WAVE_FORMAT_4S08) + || (fmt && WAVE_FORMAT_48M08) + || (fmt && WAVE_FORMAT_48S08) + || (fmt && WAVE_FORMAT_96M08) + || (fmt && WAVE_FORMAT_96S08) + ) { + sizez.append(8); + } + if((fmt && WAVE_FORMAT_1M16) + || (fmt && WAVE_FORMAT_1S16) + || (fmt && WAVE_FORMAT_2M16) + || (fmt && WAVE_FORMAT_2S16) + || (fmt && WAVE_FORMAT_4M16) + || (fmt && WAVE_FORMAT_4S16) + || (fmt && WAVE_FORMAT_48M16) + || (fmt && WAVE_FORMAT_48S16) + || (fmt && WAVE_FORMAT_96M16) + || (fmt && WAVE_FORMAT_96S16) + ) { + sizez.append(16); + } + if((fmt && WAVE_FORMAT_1M08) + || (fmt && WAVE_FORMAT_1S08) + || (fmt && WAVE_FORMAT_1M16) + || (fmt && WAVE_FORMAT_1S16)) { + freqz.append(11025); + } + if((fmt && WAVE_FORMAT_2M08) + || (fmt && WAVE_FORMAT_2S08) + || (fmt && WAVE_FORMAT_2M16) + || (fmt && WAVE_FORMAT_2S16)) { + freqz.append(22050); + } + if((fmt && WAVE_FORMAT_4M08) + || (fmt && WAVE_FORMAT_4S08) + || (fmt && WAVE_FORMAT_4M16) + || (fmt && WAVE_FORMAT_4S16)) { + freqz.append(44100); + } + if((fmt && WAVE_FORMAT_48M08) + || (fmt && WAVE_FORMAT_48S08) + || (fmt && WAVE_FORMAT_48M16) + || (fmt && WAVE_FORMAT_48S16)) { + freqz.append(48000); + } + if((fmt && WAVE_FORMAT_96M08) + || (fmt && WAVE_FORMAT_96S08) + || (fmt && WAVE_FORMAT_96M16) + || (fmt && WAVE_FORMAT_96S16)) { + freqz.append(96000); + } + channelz.append(1); + channelz.append(2); + if (mode == QAudio::AudioOutput) { + channelz.append(4); + channelz.append(6); + channelz.append(8); + } + + byteOrderz.append(QAudioFormat::LittleEndian); + + typez.append(QAudioFormat::SignedInt); + typez.append(QAudioFormat::UnSignedInt); + + codecz.append(QLatin1String("audio/pcm")); + } + if (freqz.count() > 0) + freqz.prepend(8000); +} + +QList<QByteArray> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode) +{ + Q_UNUSED(mode) + + QList<QByteArray> devices; + //enumerate device fullnames through directshow api + CoInitialize(NULL); + ICreateDevEnum *pDevEnum = NULL; + IEnumMoniker *pEnum = NULL; + // Create the System device enumerator + HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, + CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, + reinterpret_cast<void **>(&pDevEnum)); + + unsigned long iNumDevs = mode == QAudio::AudioOutput ? waveOutGetNumDevs() : waveInGetNumDevs(); + if (SUCCEEDED(hr)) { + // Create the enumerator for the audio input/output category + if (pDevEnum->CreateClassEnumerator( + mode == QAudio::AudioOutput ? CLSID_AudioRendererCategory : CLSID_AudioInputDeviceCategory, + &pEnum, 0) == S_OK) { + pEnum->Reset(); + // 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(); + continue; // skip this one + } + // Find if it is a wave device + VARIANT var; + VariantInit(&var); + hr = pPropBag->Read(mode == QAudio::AudioOutput ? L"WaveOutID" : L"WaveInID", &var, 0); + if (SUCCEEDED(hr)) { + LONG waveID = var.lVal; + if (waveID >= 0 && waveID < LONG(iNumDevs)) { + VariantClear(&var); + // Find the description + hr = pPropBag->Read(L"FriendlyName", &var, 0); + if (SUCCEEDED(hr)) { + QByteArray device; + QDataStream ds(&device, QIODevice::WriteOnly); + ds << quint32(waveID) << QString::fromWCharArray(var.bstrVal); + devices.append(device); + } + } + } + + pPropBag->Release(); + pMoniker->Release(); + } + } + } + CoUninitialize(); + + return devices; +} + +QByteArray QAudioDeviceInfoInternal::defaultOutputDevice() +{ + QList<QByteArray> list = availableDevices(QAudio::AudioOutput); + if (list.size() > 0) + return list.at(0); + else + return QByteArray(); +} + +QByteArray QAudioDeviceInfoInternal::defaultInputDevice() +{ + QList<QByteArray> list = availableDevices(QAudio::AudioInput); + if (list.size() > 0) + return list.at(0); + else + return QByteArray(); +} + +QT_END_NAMESPACE |