diff options
Diffstat (limited to 'src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp')
| -rw-r--r-- | src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp b/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp deleted file mode 100644 index 957d8c1d4..000000000 --- a/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp +++ /dev/null @@ -1,239 +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 "qgstreameraudioencode.h" -#include "qgstreamercapturesession.h" -#include "qgstreamermediacontainercontrol.h" -#include <private/qgstutils_p.h> - -#include <QtCore/qdebug.h> - -#include <math.h> - -QGstreamerAudioEncode::QGstreamerAudioEncode(QObject *parent) - :QAudioEncoderSettingsControl(parent) - , m_codecs(QGstCodecsInfo::AudioEncoder) -{ -} - -QGstreamerAudioEncode::~QGstreamerAudioEncode() -{ -} - -QStringList QGstreamerAudioEncode::supportedAudioCodecs() const -{ - return m_codecs.supportedCodecs(); -} - -QString QGstreamerAudioEncode::codecDescription(const QString &codecName) const -{ - return m_codecs.codecDescription(codecName); -} - -QStringList QGstreamerAudioEncode::supportedEncodingOptions(const QString &codec) const -{ - return m_codecs.codecOptions(codec); -} - -QVariant QGstreamerAudioEncode::encodingOption( - const QString &codec, const QString &name) const -{ - return m_options[codec].value(name); -} - -void QGstreamerAudioEncode::setEncodingOption( - const QString &codec, const QString &name, const QVariant &value) -{ - m_options[codec][name] = value; -} - -QList<int> QGstreamerAudioEncode::supportedSampleRates(const QAudioEncoderSettings &, bool *) const -{ - //TODO check element caps to find actual values - - return QList<int>(); -} - -QAudioEncoderSettings QGstreamerAudioEncode::audioSettings() const -{ - return m_audioSettings; -} - -void QGstreamerAudioEncode::setAudioSettings(const QAudioEncoderSettings &settings) -{ - m_audioSettings = settings; -} - - -GstElement *QGstreamerAudioEncode::createEncoder() -{ - QString codec = m_audioSettings.codec(); - GstElement *encoderElement = gst_element_factory_make(m_codecs.codecElement(codec).constData(), NULL); - if (!encoderElement) - return 0; - - GstBin * encoderBin = GST_BIN(gst_bin_new("audio-encoder-bin")); - - GstElement *sinkCapsFilter = gst_element_factory_make("capsfilter", NULL); - GstElement *srcCapsFilter = gst_element_factory_make("capsfilter", NULL); - - gst_bin_add_many(encoderBin, sinkCapsFilter, encoderElement, srcCapsFilter, NULL); - gst_element_link_many(sinkCapsFilter, encoderElement, srcCapsFilter, NULL); - - // add ghostpads - GstPad *pad = gst_element_get_static_pad(sinkCapsFilter, "sink"); - gst_element_add_pad(GST_ELEMENT(encoderBin), gst_ghost_pad_new("sink", pad)); - gst_object_unref(GST_OBJECT(pad)); - - pad = gst_element_get_static_pad(srcCapsFilter, "src"); - gst_element_add_pad(GST_ELEMENT(encoderBin), gst_ghost_pad_new("src", pad)); - gst_object_unref(GST_OBJECT(pad)); - - if (m_audioSettings.sampleRate() > 0 || m_audioSettings.channelCount() > 0) { - GstCaps *caps = gst_caps_new_empty(); - GstStructure *structure = qt_gst_structure_new_empty("audio/x-raw"); - - if (m_audioSettings.sampleRate() > 0) - gst_structure_set(structure, "rate", G_TYPE_INT, m_audioSettings.sampleRate(), NULL ); - - if (m_audioSettings.channelCount() > 0) - gst_structure_set(structure, "channels", G_TYPE_INT, m_audioSettings.channelCount(), NULL ); - - gst_caps_append_structure(caps,structure); - - g_object_set(G_OBJECT(sinkCapsFilter), "caps", caps, NULL); - - gst_caps_unref(caps); - } - - // Some encoders support several codecs. Setting a caps filter downstream with the desired - // codec (which is actually a string representation of the caps) will make sure we use the - // correct codec. - GstCaps *caps = gst_caps_from_string(codec.toUtf8().constData()); - g_object_set(G_OBJECT(srcCapsFilter), "caps", caps, NULL); - gst_caps_unref(caps); - - if (encoderElement) { - if (m_audioSettings.encodingMode() == QMultimedia::ConstantQualityEncoding) { - QMultimedia::EncodingQuality qualityValue = m_audioSettings.quality(); - - if (codec == QLatin1String("audio/x-vorbis")) { - double qualityTable[] = { - 0.1, //VeryLow - 0.3, //Low - 0.5, //Normal - 0.7, //High - 1.0 //VeryHigh - }; - g_object_set(G_OBJECT(encoderElement), "quality", qualityTable[qualityValue], NULL); - } else if (codec == QLatin1String("audio/mpeg")) { - g_object_set(G_OBJECT(encoderElement), "target", 0, NULL); //constant quality mode - qreal quality[] = { - 1, //VeryLow - 3, //Low - 5, //Normal - 7, //High - 9 //VeryHigh - }; - g_object_set(G_OBJECT(encoderElement), "quality", quality[qualityValue], NULL); - } else if (codec == QLatin1String("audio/x-speex")) { - //0-10 range with default 8 - double qualityTable[] = { - 2, //VeryLow - 5, //Low - 8, //Normal - 9, //High - 10 //VeryHigh - }; - g_object_set(G_OBJECT(encoderElement), "quality", qualityTable[qualityValue], NULL); - } else if (codec.startsWith("audio/AMR")) { - int band[] = { - 0, //VeryLow - 2, //Low - 4, //Normal - 6, //High - 7 //VeryHigh - }; - - g_object_set(G_OBJECT(encoderElement), "band-mode", band[qualityValue], NULL); - } - } else { - int bitrate = m_audioSettings.bitRate(); - if (bitrate > 0) { - if (codec == QLatin1String("audio/mpeg")) { - g_object_set(G_OBJECT(encoderElement), "target", 1, NULL); //constant bitrate mode - } - g_object_set(G_OBJECT(encoderElement), "bitrate", bitrate, NULL); - } - } - - QMap<QString, QVariant> options = m_options.value(codec); - for (auto it = options.cbegin(), end = options.cend(); it != end; ++it) { - const QString &option = it.key(); - const QVariant &value = it.value(); - - switch (value.typeId()) { - case QMetaType::Int: - g_object_set(G_OBJECT(encoderElement), option.toLatin1(), value.toInt(), NULL); - break; - case QMetaType::Bool: - g_object_set(G_OBJECT(encoderElement), option.toLatin1(), value.toBool(), NULL); - break; - case QMetaType::Double: - g_object_set(G_OBJECT(encoderElement), option.toLatin1(), value.toDouble(), NULL); - break; - case QMetaType::QString: - g_object_set(G_OBJECT(encoderElement), option.toLatin1(), value.toString().toUtf8().constData(), NULL); - break; - default: - qWarning() << "unsupported option type:" << option << value; - break; - } - - } - } - - return GST_ELEMENT(encoderBin); -} - - -QSet<QString> QGstreamerAudioEncode::supportedStreamTypes(const QString &codecName) const -{ - return m_codecs.supportedStreamTypes(codecName); -} |