diff options
Diffstat (limited to 'src/plugins/audiocapture/audiocapturesession.cpp')
| -rw-r--r-- | src/plugins/audiocapture/audiocapturesession.cpp | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/src/plugins/audiocapture/audiocapturesession.cpp b/src/plugins/audiocapture/audiocapturesession.cpp deleted file mode 100644 index 82d330f..0000000 --- a/src/plugins/audiocapture/audiocapturesession.cpp +++ /dev/null @@ -1,358 +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. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qdebug.h> -#include <QtCore/qurl.h> -#include <QtCore/qdir.h> -#include <qaudiodeviceinfo.h> - -#include "qmediarecorder.h" - -#include "audiocapturesession.h" - -AudioCaptureSession::AudioCaptureSession(QObject *parent): - QObject(parent) -{ - m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice()); - m_audioInput = 0; - m_position = 0; - m_state = QMediaRecorder::StoppedState; - - m_format.setFrequency(8000); - m_format.setChannels(1); - m_format.setSampleSize(8); - m_format.setSampleType(QAudioFormat::UnSignedInt); - m_format.setCodec("audio/pcm"); - wavFile = true; -} - -AudioCaptureSession::~AudioCaptureSession() -{ - stop(); - - if(m_audioInput) - delete m_audioInput; -} - -QAudioDeviceInfo* AudioCaptureSession::deviceInfo() const -{ - return m_deviceInfo; -} - -QAudioFormat AudioCaptureSession::format() const -{ - return m_format; -} - -bool AudioCaptureSession::isFormatSupported(const QAudioFormat &format) const -{ - if(m_deviceInfo) { - if(format.codec().contains(QLatin1String("audio/x-wav"))) { - QAudioFormat fmt = format; - fmt.setCodec("audio/pcm"); - return m_deviceInfo->isFormatSupported(fmt); - } else - return m_deviceInfo->isFormatSupported(format); - } - return false; -} - -bool AudioCaptureSession::setFormat(const QAudioFormat &format) -{ - if(m_deviceInfo) { - - QAudioFormat fmt = format; - - if(m_deviceInfo->isFormatSupported(fmt)) { - m_format = fmt; - if(m_audioInput) delete m_audioInput; - m_audioInput = 0; - QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput); - for(int i=0;i<devices.size();i++) { - if(qstrcmp(m_deviceInfo->deviceName().toLocal8Bit().constData(), - devices.at(i).deviceName().toLocal8Bit().constData()) == 0) { - m_audioInput = new QAudioInput(devices.at(i),m_format); - connect(m_audioInput,SIGNAL(stateChanged(QAudio::State)),this,SLOT(stateChanged(QAudio::State))); - connect(m_audioInput,SIGNAL(notify()),this,SLOT(notify())); - break; - } - } - } else { - m_format = m_deviceInfo->preferredFormat(); - qWarning()<<"failed to setFormat using preferred..."; - } - } - return false; -} - -QStringList AudioCaptureSession::supportedContainers() const -{ - QStringList list; - if(m_deviceInfo) { - if (m_deviceInfo->supportedCodecs().size() > 0) { - list << "audio/x-wav"; - list << "audio/pcm"; - } - } - return list; -} - -QString AudioCaptureSession::containerDescription(const QString &formatMimeType) const -{ - if(m_deviceInfo) { - if (formatMimeType.contains(QLatin1String("audio/pcm"))) - return tr("RAW file format"); - if (formatMimeType.contains(QLatin1String("audio/x-wav"))) - return tr("WAV file format"); - } - return QString(); -} - -void AudioCaptureSession::setContainerMimeType(const QString &formatMimeType) -{ - if (!formatMimeType.contains(QLatin1String("audio/x-wav")) && - !formatMimeType.contains(QLatin1String("audio/pcm")) && - !formatMimeType.isEmpty()) - return; - - if(m_deviceInfo) { - if (!m_deviceInfo->supportedCodecs().contains(QLatin1String("audio/pcm"))) - return; - - if (formatMimeType.isEmpty() || formatMimeType.contains(QLatin1String("audio/x-wav"))) { - wavFile = true; - m_format.setCodec("audio/pcm"); - } else { - wavFile = false; - m_format.setCodec(formatMimeType); - } - } -} - -QString AudioCaptureSession::containerMimeType() const -{ - if(wavFile) - return QString("audio/x-wav"); - - return QString("audio/pcm"); -} - -QUrl AudioCaptureSession::outputLocation() const -{ - return m_actualSink; -} - -bool AudioCaptureSession::setOutputLocation(const QUrl& sink) -{ - m_sink = m_actualSink = sink; - return true; -} - -qint64 AudioCaptureSession::position() const -{ - return m_position; -} - -int AudioCaptureSession::state() const -{ - return int(m_state); -} - -QDir AudioCaptureSession::defaultDir() const -{ - QStringList dirCandidates; - -#if defined(Q_WS_MAEMO_6) - dirCandidates << QLatin1String("/home/user/MyDocs"); -#endif - - dirCandidates << QDir::home().filePath("Documents"); - dirCandidates << QDir::home().filePath("My Documents"); - dirCandidates << QDir::homePath(); - dirCandidates << QDir::currentPath(); - dirCandidates << QDir::tempPath(); - - foreach (const QString &path, dirCandidates) { - QDir dir(path); - if (dir.exists() && QFileInfo(path).isWritable()) - return dir; - } - - return QDir(); -} - -QString AudioCaptureSession::generateFileName(const QDir &dir, const QString &ext) const -{ - - int lastClip = 0; - foreach(QString fileName, dir.entryList(QStringList() << QString("clip_*.%1").arg(ext))) { - int imgNumber = fileName.mid(5, fileName.size()-6-ext.length()).toInt(); - lastClip = qMax(lastClip, imgNumber); - } - - QString name = QString("clip_%1.%2").arg(lastClip+1, - 4, //fieldWidth - 10, - QLatin1Char('0')).arg(ext); - - return dir.absoluteFilePath(name); -} - -void AudioCaptureSession::record() -{ - if(!m_audioInput) { - setFormat(m_format); - } - - m_actualSink = m_sink; - - if (m_actualSink.isEmpty()) { - QString ext = wavFile ? QLatin1String("wav") : QLatin1String("raw"); - m_actualSink = generateFileName(defaultDir(), ext); - } - - if(m_actualSink.toLocalFile().length() > 0) - file.setFileName(m_actualSink.toLocalFile()); - else - file.setFileName(m_actualSink.toString()); - - if(m_audioInput) { - if(m_state == QMediaRecorder::StoppedState) { - if(file.open(QIODevice::WriteOnly)) { - memset(&header,0,sizeof(CombinedHeader)); - memcpy(header.riff.descriptor.id,"RIFF",4); - header.riff.descriptor.size = 0xFFFFFFFF; // This should be updated on stop(), filesize-8 - memcpy(header.riff.type,"WAVE",4); - memcpy(header.wave.descriptor.id,"fmt ",4); - header.wave.descriptor.size = 16; - header.wave.audioFormat = 1; // for PCM data - header.wave.numChannels = m_format.channels(); - header.wave.sampleRate = m_format.frequency(); - header.wave.byteRate = m_format.frequency()*m_format.channels()*m_format.sampleSize()/8; - header.wave.blockAlign = m_format.channels()*m_format.sampleSize()/8; - header.wave.bitsPerSample = m_format.sampleSize(); - memcpy(header.data.descriptor.id,"data",4); - header.data.descriptor.size = 0xFFFFFFFF; // This should be updated on stop(),samples*channels*sampleSize/8 - if (wavFile) - file.write((char*)&header,sizeof(CombinedHeader)); - - m_audioInput->start(qobject_cast<QIODevice*>(&file)); - } else { - emit error(1,QString("can't open source, failed")); - m_state = QMediaRecorder::StoppedState; - emit stateChanged(m_state); - } - } - } - - m_state = QMediaRecorder::RecordingState; -} - -void AudioCaptureSession::pause() -{ - if(m_audioInput) - m_audioInput->stop(); - - m_state = QMediaRecorder::PausedState; -} - -void AudioCaptureSession::stop() -{ - if(m_audioInput) { - m_audioInput->stop(); - file.close(); - if (wavFile) { - qint32 fileSize = file.size()-8; - file.open(QIODevice::ReadWrite | QIODevice::Unbuffered); - file.read((char*)&header,sizeof(CombinedHeader)); - header.riff.descriptor.size = fileSize; // filesize-8 - header.data.descriptor.size = fileSize-44; // samples*channels*sampleSize/8 - file.seek(0); - file.write((char*)&header,sizeof(CombinedHeader)); - file.close(); - } - m_position = 0; - } - m_state = QMediaRecorder::StoppedState; -} - -void AudioCaptureSession::stateChanged(QAudio::State state) -{ - switch(state) { - case QAudio::ActiveState: - emit stateChanged(QMediaRecorder::RecordingState); - break; - default: - if(!((m_state == QMediaRecorder::PausedState)||(m_state == QMediaRecorder::StoppedState))) - m_state = QMediaRecorder::StoppedState; - - emit stateChanged(m_state); - break; - } -} - -void AudioCaptureSession::notify() -{ - m_position += m_audioInput->notifyInterval(); - emit positionChanged(m_position); -} - -void AudioCaptureSession::setCaptureDevice(const QString &deviceName) -{ - m_captureDevice = deviceName; - if(m_deviceInfo) - delete m_deviceInfo; - - m_deviceInfo = 0; - - QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput); - for(int i = 0; i < devices.size(); i++) { - if(qstrcmp(m_captureDevice.toLocal8Bit().constData(), - devices.at(i).deviceName().toLocal8Bit().constData())==0){ - m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice()); - return; - } - } - m_deviceInfo = new QAudioDeviceInfo(QAudioDeviceInfo::defaultInputDevice()); -} - - - |