diff options
Diffstat (limited to 'src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp deleted file mode 100644 index 113b330..0000000 --- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp +++ /dev/null @@ -1,535 +0,0 @@ -/**************************************************************************** -** -** 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 "qaudiodeviceinfo_alsa_p.h" - -#include <alsa/version.h> - -QT_BEGIN_NAMESPACE - -QAudioDeviceInfoInternal::QAudioDeviceInfoInternal(QByteArray dev, QAudio::Mode mode) -{ - handle = 0; - - device = QLatin1String(dev); - this->mode = mode; - - checkSurround(); -} - -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.setChannels(2); - nearest.setByteOrder(QAudioFormat::LittleEndian); - nearest.setSampleType(QAudioFormat::SignedInt); - nearest.setSampleSize(16); - nearest.setCodec(QLatin1String("audio/pcm")); - } else { - nearest.setFrequency(8000); - nearest.setChannels(1); - nearest.setSampleType(QAudioFormat::UnSignedInt); - nearest.setSampleSize(8); - nearest.setCodec(QLatin1String("audio/pcm")); - if(!testSettings(nearest)) { - nearest.setChannels(2); - nearest.setSampleSize(16); - nearest.setSampleType(QAudioFormat::SignedInt); - } - } - 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() -{ - int err = 0; - QString dev = device; - QList<QByteArray> devices = availableDevices(mode); - - if(dev.compare(QLatin1String("default")) == 0) { -#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) - if (devices.size() > 0) - dev = QLatin1String(devices.first().constData()); - else - return false; -#else - dev = QLatin1String("hw:0,0"); -#endif - } else { -#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) - dev = device; -#else - int idx = 0; - char *name; - - QString shortName = device.mid(device.indexOf(QLatin1String("="),0)+1); - - while(snd_card_get_name(idx,&name) == 0) { - if(dev.contains(QLatin1String(name))) - break; - idx++; - } - dev = QString(QLatin1String("hw:%1,0")).arg(idx); -#endif - } - 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 QAudioDeviceInfoInternal::close() -{ - if(handle) - snd_pcm_close(handle); - handle = 0; -} - -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). - int err = 0; - snd_pcm_t* handle; - snd_pcm_hw_params_t *params; - QString dev = device; - - QList<QByteArray> devices = QAudioDeviceInfoInternal::availableDevices(QAudio::AudioOutput); - - if(dev.compare(QLatin1String("default")) == 0) { -#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) - dev = QLatin1String(devices.first().constData()); -#else - dev = QLatin1String("hw:0,0"); -#endif - } else { -#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) - dev = device; -#else - int idx = 0; - char *name; - - QString shortName = device.mid(device.indexOf(QLatin1String("="),0)+1); - - while(snd_card_get_name(idx,&name) == 0) { - if(shortName.compare(QLatin1String(name)) == 0) - break; - idx++; - } - dev = QString(QLatin1String("hw:%1,0")).arg(idx); -#endif - } - 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; - } - - bool testChannel = false; - bool testCodec = false; - bool testFreq = false; - bool testType = false; - bool testSize = false; - - int dir = 0; - - snd_pcm_nonblock( handle, 0 ); - snd_pcm_hw_params_alloca( ¶ms ); - snd_pcm_hw_params_any( handle, params ); - - // set the values! - snd_pcm_hw_params_set_channels(handle,params,format.channels()); - snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir); - - err = -1; - - switch(format.sampleSize()) { - case 8: - if(format.sampleType() == QAudioFormat::SignedInt) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S8); - else if(format.sampleType() == QAudioFormat::UnSignedInt) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U8); - break; - case 16: - if(format.sampleType() == QAudioFormat::SignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_BE); - } else if(format.sampleType() == QAudioFormat::UnSignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_BE); - } - break; - case 32: - if(format.sampleType() == QAudioFormat::SignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_BE); - } else if(format.sampleType() == QAudioFormat::UnSignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE); - } - } - - // For now, just accept only audio/pcm codec - if(!format.codec().startsWith(QLatin1String("audio/pcm"))) { - err=-1; - } else - testCodec = true; - - if(err>=0 && format.channels() != -1) { - err = snd_pcm_hw_params_test_channels(handle,params,format.channels()); - if(err>=0) - err = snd_pcm_hw_params_set_channels(handle,params,format.channels()); - if(err>=0) - testChannel = true; - } - - if(err>=0 && format.frequency() != -1) { - err = snd_pcm_hw_params_test_rate(handle,params,format.frequency(),0); - if(err>=0) - err = snd_pcm_hw_params_set_rate(handle,params,format.frequency(),dir); - if(err>=0) - testFreq = true; - } - - if((err>=0 && format.sampleSize() != -1) && - (format.sampleType() != QAudioFormat::Unknown)) { - switch(format.sampleSize()) { - case 8: - if(format.sampleType() == QAudioFormat::SignedInt) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S8); - else if(format.sampleType() == QAudioFormat::UnSignedInt) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U8); - break; - case 16: - if(format.sampleType() == QAudioFormat::SignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S16_BE); - } else if(format.sampleType() == QAudioFormat::UnSignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U16_BE); - } - break; - case 32: - if(format.sampleType() == QAudioFormat::SignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_S32_BE); - } else if(format.sampleType() == QAudioFormat::UnSignedInt) { - if(format.byteOrder() == QAudioFormat::LittleEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE); - else if(format.byteOrder() == QAudioFormat::BigEndian) - err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE); - } - } - if(err>=0) { - testSize = true; - testType = true; - } - } - if(err>=0) - err = snd_pcm_hw_params(handle, params); - - if(err == 0) { - // settings work - // close() - if(handle) - snd_pcm_close(handle); - return true; - } - if(handle) - snd_pcm_close(handle); - - return false; -} - -void QAudioDeviceInfoInternal::updateLists() -{ - // redo all lists based on current settings - freqz.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) - freqz.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> QAudioDeviceInfoInternal::availableDevices(QAudio::Mode mode) -{ - QList<QByteArray> allDevices; - QList<QByteArray> devices; - QByteArray filter; - -#if(SND_LIB_MAJOR == 1 && SND_LIB_MINOR == 0 && SND_LIB_SUBMINOR >= 14) - // 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))) { - QString deviceName = QLatin1String(name); - QString deviceDescription = QLatin1String(descr); - allDevices.append(deviceName.toLocal8Bit().constData()); - if (deviceDescription.contains(QLatin1String("Default Audio Device"))) - devices.append(deviceName.toLocal8Bit().constData()); - } - - 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 |