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Diffstat (limited to 'src/plugins/audiocapture/audioencodercontrol.cpp')
| -rw-r--r-- | src/plugins/audiocapture/audioencodercontrol.cpp | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/src/plugins/audiocapture/audioencodercontrol.cpp b/src/plugins/audiocapture/audioencodercontrol.cpp deleted file mode 100644 index 6fc519cef..000000000 --- a/src/plugins/audiocapture/audioencodercontrol.cpp +++ /dev/null @@ -1,174 +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 "audioencodercontrol.h" -#include "audiocapturesession.h" - -#include <qaudioformat.h> - -#include <QtCore/qdebug.h> - -#include <algorithm> - -QT_BEGIN_NAMESPACE - -static QAudioFormat audioSettingsToAudioFormat(const QAudioEncoderSettings &settings) -{ - QAudioFormat fmt; - fmt.setCodec(settings.codec()); - fmt.setChannelCount(settings.channelCount()); - fmt.setSampleRate(settings.sampleRate()); - int sampleSize = 16; - if (settings.bitRate() && settings.channelCount() && settings.sampleRate()) - sampleSize = settings.bitRate() / settings.channelCount() / settings.sampleRate(); - fmt.setSampleSize(sampleSize); - fmt.setSampleType(sampleSize == 8 ? QAudioFormat::UnSignedInt : QAudioFormat::SignedInt); - - fmt.setByteOrder(QAudioDeviceInfo::defaultInputDevice().preferredFormat().byteOrder()); - return fmt; -} - -static QAudioEncoderSettings audioFormatToAudioSettings(const QAudioFormat &format) -{ - QAudioEncoderSettings settings; - settings.setCodec(format.codec()); - settings.setChannelCount(format.channelCount()); - settings.setSampleRate(format.sampleRate()); - settings.setEncodingMode(QMultimedia::ConstantBitRateEncoding); - settings.setBitRate(format.channelCount() - * format.sampleSize() - * format.sampleRate()); - return settings; -} - -AudioEncoderControl::AudioEncoderControl(QObject *parent) - :QAudioEncoderSettingsControl(parent) -{ - m_session = qobject_cast<AudioCaptureSession*>(parent); - update(); -} - -AudioEncoderControl::~AudioEncoderControl() -{ -} - -QStringList AudioEncoderControl::supportedAudioCodecs() const -{ - return QStringList() << QStringLiteral("audio/pcm"); -} - -QString AudioEncoderControl::codecDescription(const QString &codecName) const -{ - if (QString::compare(codecName, QLatin1String("audio/pcm")) == 0) - return tr("Linear PCM audio data"); - - return QString(); -} - -QList<int> AudioEncoderControl::supportedSampleRates(const QAudioEncoderSettings &settings, bool *continuous) const -{ - if (continuous) - *continuous = false; - - if (settings.codec().isEmpty() || settings.codec() == QLatin1String("audio/pcm")) - return m_sampleRates; - - return QList<int>(); -} - -QAudioEncoderSettings AudioEncoderControl::audioSettings() const -{ - return audioFormatToAudioSettings(m_session->format()); -} - -void AudioEncoderControl::setAudioSettings(const QAudioEncoderSettings &settings) -{ - QAudioFormat fmt = audioSettingsToAudioFormat(settings); - - if (settings.encodingMode() == QMultimedia::ConstantQualityEncoding) { - fmt.setCodec("audio/pcm"); - switch (settings.quality()) { - case QMultimedia::VeryLowQuality: - fmt.setSampleSize(8); - fmt.setSampleRate(8000); - fmt.setSampleType(QAudioFormat::UnSignedInt); - break; - case QMultimedia::LowQuality: - fmt.setSampleSize(8); - fmt.setSampleRate(22050); - fmt.setSampleType(QAudioFormat::UnSignedInt); - break; - case QMultimedia::HighQuality: - fmt.setSampleSize(16); - fmt.setSampleRate(48000); - fmt.setSampleType(QAudioFormat::SignedInt); - break; - case QMultimedia::VeryHighQuality: - fmt.setSampleSize(16); - fmt.setSampleRate(96000); - fmt.setSampleType(QAudioFormat::SignedInt); - break; - case QMultimedia::NormalQuality: - default: - fmt.setSampleSize(16); - fmt.setSampleRate(44100); - fmt.setSampleType(QAudioFormat::SignedInt); - break; - } - } - - m_session->setFormat(fmt); -} - -void AudioEncoderControl::update() -{ - m_sampleRates.clear(); - QList<QAudioDeviceInfo> devices = QAudioDeviceInfo::availableDevices(QAudio::AudioInput); - for (int i = 0; i < devices.size(); ++i) { - QList<int> rates = devices.at(i).supportedSampleRates(); - for (int j = 0; j < rates.size(); ++j) { - int rate = rates.at(j); - if (!m_sampleRates.contains(rate)) - m_sampleRates.append(rate); - } - } - std::sort(m_sampleRates.begin(), m_sampleRates.end()); -} - -QT_END_NAMESPACE |