diff options
Diffstat (limited to 'src/plugins/audiocapture/audiocapturesession.cpp')
| -rw-r--r-- | src/plugins/audiocapture/audiocapturesession.cpp | 458 |
1 files changed, 0 insertions, 458 deletions
diff --git a/src/plugins/audiocapture/audiocapturesession.cpp b/src/plugins/audiocapture/audiocapturesession.cpp deleted file mode 100644 index 9bdb5a92d..000000000 --- a/src/plugins/audiocapture/audiocapturesession.cpp +++ /dev/null @@ -1,458 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qdebug.h> -#include <QtCore/qurl.h> -#include <QtCore/qdir.h> -#include <qaudiodeviceinfo.h> - -#include "qmediarecorder.h" - -#include "audiocapturesession.h" -#include "audiocaptureprobecontrol.h" - -QT_BEGIN_NAMESPACE - -void FileProbeProxy::startProbes(const QAudioFormat &format) -{ - m_format = format; -} - -void FileProbeProxy::stopProbes() -{ - m_format = QAudioFormat(); -} - -void FileProbeProxy::addProbe(AudioCaptureProbeControl *probe) -{ - QMutexLocker locker(&m_probeMutex); - - if (m_probes.contains(probe)) - return; - - m_probes.append(probe); -} - -void FileProbeProxy::removeProbe(AudioCaptureProbeControl *probe) -{ - QMutexLocker locker(&m_probeMutex); - m_probes.removeOne(probe); -} - -qint64 FileProbeProxy::writeData(const char *data, qint64 len) -{ - if (m_format.isValid()) { - QMutexLocker locker(&m_probeMutex); - - for (AudioCaptureProbeControl* probe : qAsConst(m_probes)) - probe->bufferProbed(data, len, m_format); - } - - return QFile::writeData(data, len); -} - -AudioCaptureSession::AudioCaptureSession(QObject *parent) - : QObject(parent) - , m_state(QMediaRecorder::StoppedState) - , m_status(QMediaRecorder::UnloadedStatus) - , m_audioInput(0) - , m_deviceInfo(QAudioDeviceInfo::defaultInputDevice()) - , m_wavFile(true) - , m_volume(1.0) - , m_muted(false) -{ - m_format = m_deviceInfo.preferredFormat(); -} - -AudioCaptureSession::~AudioCaptureSession() -{ - setState(QMediaRecorder::StoppedState); -} - -QAudioFormat AudioCaptureSession::format() const -{ - return m_format; -} - -void AudioCaptureSession::setFormat(const QAudioFormat &format) -{ - m_format = format; -} - -void AudioCaptureSession::setContainerFormat(const QString &formatMimeType) -{ - m_wavFile = (formatMimeType.isEmpty() - || QString::compare(formatMimeType, QLatin1String("audio/x-wav")) == 0); -} - -QString AudioCaptureSession::containerFormat() const -{ - if (m_wavFile) - return QStringLiteral("audio/x-wav"); - - return QStringLiteral("audio/x-raw"); -} - -QUrl AudioCaptureSession::outputLocation() const -{ - return m_actualOutputLocation; -} - -bool AudioCaptureSession::setOutputLocation(const QUrl& location) -{ - if (m_requestedOutputLocation == location) - return false; - - m_actualOutputLocation = QUrl(); - m_requestedOutputLocation = location; - - if (m_requestedOutputLocation.isEmpty()) - return true; - - if (m_requestedOutputLocation.isValid() && (m_requestedOutputLocation.isLocalFile() - || m_requestedOutputLocation.isRelative())) { - emit actualLocationChanged(m_requestedOutputLocation); - return true; - } - - m_requestedOutputLocation = QUrl(); - return false; -} - -qint64 AudioCaptureSession::position() const -{ - if (m_audioInput) - return m_audioInput->processedUSecs() / 1000; - return 0; -} - -void AudioCaptureSession::setState(QMediaRecorder::State state) -{ - if (m_state == state) - return; - - m_state = state; - emit stateChanged(m_state); - - switch (m_state) { - case QMediaRecorder::StoppedState: - stop(); - break; - case QMediaRecorder::PausedState: - pause(); - break; - case QMediaRecorder::RecordingState: - record(); - break; - } -} - -QMediaRecorder::State AudioCaptureSession::state() const -{ - return m_state; -} - -void AudioCaptureSession::setStatus(QMediaRecorder::Status status) -{ - if (m_status == status) - return; - - m_status = status; - emit statusChanged(m_status); -} - -QMediaRecorder::Status AudioCaptureSession::status() const -{ - return m_status; -} - -QDir AudioCaptureSession::defaultDir() const -{ - QStringList dirCandidates; - - dirCandidates << QDir::home().filePath("Documents"); - dirCandidates << QDir::home().filePath("My Documents"); - dirCandidates << QDir::homePath(); - dirCandidates << QDir::currentPath(); - dirCandidates << QDir::tempPath(); - - for (const QString &path : qAsConst(dirCandidates)) { - QDir dir(path); - if (dir.exists() && QFileInfo(path).isWritable()) - return dir; - } - - return QDir(); -} - -QString AudioCaptureSession::generateFileName(const QString &requestedName, - const QString &extension) const -{ - if (requestedName.isEmpty()) - return generateFileName(defaultDir(), extension); - - QString path = requestedName; - - if (QFileInfo(path).isRelative()) - path = defaultDir().absoluteFilePath(path); - - if (QFileInfo(path).isDir()) - return generateFileName(QDir(path), extension); - - if (!path.endsWith(extension)) - path.append(QString(".%1").arg(extension)); - - return path; -} - -QString AudioCaptureSession::generateFileName(const QDir &dir, - const QString &ext) const -{ - int lastClip = 0; - const auto list = dir.entryList(QStringList() << QString("clip_*.%1").arg(ext)); - for (const QString &fileName : list) { - int imgNumber = QStringView{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_status == QMediaRecorder::PausedStatus) { - m_audioInput->resume(); - } else { - if (m_deviceInfo.isNull()) { - emit error(QMediaRecorder::ResourceError, - QStringLiteral("No input device available.")); - m_state = QMediaRecorder::StoppedState; - emit stateChanged(m_state); - setStatus(QMediaRecorder::UnavailableStatus); - return; - } - - setStatus(QMediaRecorder::LoadingStatus); - - m_format = m_deviceInfo.nearestFormat(m_format); - m_audioInput = new QAudioInput(m_deviceInfo, m_format); - connect(m_audioInput, SIGNAL(stateChanged(QAudio::State)), - this, SLOT(audioInputStateChanged(QAudio::State))); - connect(m_audioInput, SIGNAL(notify()), - this, SLOT(notify())); - - - QString filePath = generateFileName( - m_requestedOutputLocation.isLocalFile() ? m_requestedOutputLocation.toLocalFile() - : m_requestedOutputLocation.toString(), - m_wavFile ? QLatin1String("wav") - : QLatin1String("raw")); - - m_actualOutputLocation = QUrl::fromLocalFile(filePath); - if (m_actualOutputLocation != m_requestedOutputLocation) - emit actualLocationChanged(m_actualOutputLocation); - - file.setFileName(filePath); - - setStatus(QMediaRecorder::LoadedStatus); - setStatus(QMediaRecorder::StartingStatus); - - if (file.open(QIODevice::WriteOnly)) { - if (m_wavFile) { - 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.channelCount(); - header.wave.sampleRate = m_format.sampleRate(); - header.wave.byteRate = m_format.sampleRate()*m_format.channelCount()*m_format.sampleSize()/8; - header.wave.blockAlign = m_format.channelCount()*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 - file.write((char*)&header,sizeof(CombinedHeader)); - } - - setVolumeHelper(m_muted ? 0 : m_volume); - - file.startProbes(m_format); - m_audioInput->start(qobject_cast<QIODevice*>(&file)); - } else { - delete m_audioInput; - m_audioInput = 0; - emit error(QMediaRecorder::ResourceError, - QStringLiteral("Can't open output location")); - m_state = QMediaRecorder::StoppedState; - emit stateChanged(m_state); - setStatus(QMediaRecorder::UnloadedStatus); - } - } -} - -void AudioCaptureSession::pause() -{ - m_audioInput->suspend(); -} - -void AudioCaptureSession::stop() -{ - if(m_audioInput) { - m_audioInput->stop(); - file.stopProbes(); - file.close(); - if (m_wavFile) { - qint32 fileSize = file.size(); - file.open(QIODevice::ReadWrite | QIODevice::Unbuffered); - file.read((char*)&header,sizeof(CombinedHeader)); - header.riff.descriptor.size = fileSize - 8; // The RIFF chunk size is the file size minus - // the first two RIFF fields (8 bytes) - header.data.descriptor.size = fileSize - 44; // dataSize = fileSize - headerSize (44 bytes) - file.seek(0); - file.write((char*)&header,sizeof(CombinedHeader)); - file.close(); - } - delete m_audioInput; - m_audioInput = 0; - setStatus(QMediaRecorder::UnloadedStatus); - } -} - -void AudioCaptureSession::addProbe(AudioCaptureProbeControl *probe) -{ - file.addProbe(probe); -} - -void AudioCaptureSession::removeProbe(AudioCaptureProbeControl *probe) -{ - file.removeProbe(probe); -} - -void AudioCaptureSession::audioInputStateChanged(QAudio::State state) -{ - switch(state) { - case QAudio::ActiveState: - setStatus(QMediaRecorder::RecordingStatus); - break; - case QAudio::SuspendedState: - setStatus(QMediaRecorder::PausedStatus); - break; - case QAudio::StoppedState: - setStatus(QMediaRecorder::FinalizingStatus); - break; - default: - break; - } -} - -void AudioCaptureSession::notify() -{ - emit positionChanged(position()); -} - -void AudioCaptureSession::setCaptureDevice(const QString &deviceName) -{ - m_captureDevice = deviceName; - - QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput); - for (int i = 0; i < devices.size(); ++i) { - QAudioDeviceInfo info = devices.at(i); - if (m_captureDevice == info.deviceName()){ - m_deviceInfo = info; - return; - } - } - m_deviceInfo = QAudioDeviceInfo::defaultInputDevice(); -} - -qreal AudioCaptureSession::volume() const -{ - return m_volume; -} - -bool AudioCaptureSession::isMuted() const -{ - return m_muted; -} - -void AudioCaptureSession::setVolume(qreal v) -{ - qreal boundedVolume = qBound(qreal(0), v, qreal(1)); - - if (m_volume == boundedVolume) - return; - - m_volume = boundedVolume; - - if (!m_muted) - setVolumeHelper(m_volume); - - emit volumeChanged(m_volume); -} - -void AudioCaptureSession::setMuted(bool muted) -{ - if (m_muted == muted) - return; - - m_muted = muted; - - setVolumeHelper(m_muted ? 0 : m_volume); - - emit mutedChanged(m_muted); -} - -void AudioCaptureSession::setVolumeHelper(qreal volume) -{ - if (!m_audioInput) - return; - - m_audioInput->setVolume(volume); -} - - - -QT_END_NAMESPACE |