diff options
Diffstat (limited to 'src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp')
| -rw-r--r-- | src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp | 290 |
1 files changed, 0 insertions, 290 deletions
diff --git a/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp b/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp deleted file mode 100644 index 2f7c6a8..0000000 --- a/src/plugins/gstreamer/mediacapture/qgstreameraudioencode.cpp +++ /dev/null @@ -1,290 +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 "qgstreameraudioencode.h" -#include "qgstreamercapturesession.h" -#include "qgstreamermediacontainercontrol.h" - -#include <QtCore/qdebug.h> - -#include <math.h> - -QGstreamerAudioEncode::QGstreamerAudioEncode(QObject *parent) - :QAudioEncoderControl(parent) -{ - QList<QByteArray> codecCandidates; - -#if defined(Q_WS_MAEMO_6) - codecCandidates << "audio/AAC" << "audio/mpeg" << "audio/vorbis" << "audio/speex" << "audio/GSM" - << "audio/PCM" << "audio/AMR" << "audio/AMR-WB" << "audio/FLAC"; -#else - codecCandidates << "audio/mpeg" << "audio/vorbis" << "audio/speex" << "audio/GSM" - << "audio/PCM" << "audio/AMR" << "audio/AMR-WB" << "audio/FLAC"; -#endif - -#if defined(Q_WS_MAEMO_6) - m_elementNames["audio/AMR"] = "nokiaamrnbenc"; - m_elementNames["audio/AMR-WB"] = "nokiaamrwbenc"; - m_elementNames["audio/AAC"] = "nokiaaacenc"; -#else - m_elementNames["audio/mpeg"] = "lamemp3enc"; - m_elementNames["audio/AMR"] = "amrnbenc"; - m_elementNames["audio/AMR-WB"] = "amrwbenc"; -#endif - - m_elementNames["audio/vorbis"] = "vorbisenc"; - m_elementNames["audio/speex"] = "speexenc"; - m_elementNames["audio/PCM"] = "audioresample"; - m_elementNames["audio/FLAC"] = "flacenc"; - m_elementNames["audio/GSM"] = "gsmenc"; - - m_codecOptions["audio/vorbis"] = QStringList() << "min-bitrate" << "max-bitrate"; - m_codecOptions["audio/mpeg"] = QStringList() << "mode"; - m_codecOptions["audio/speex"] = QStringList() << "mode" << "vbr" << "vad" << "dtx"; - m_codecOptions["audio/GSM"] = QStringList(); - m_codecOptions["audio/PCM"] = QStringList(); - m_codecOptions["audio/AMR"] = QStringList(); - m_codecOptions["audio/AMR-WB"] = QStringList(); - - foreach( const QByteArray& codecName, codecCandidates ) { - QByteArray elementName = m_elementNames[codecName]; - GstElementFactory *factory = gst_element_factory_find(elementName.constData()); - - if (factory) { - m_codecs.append(codecName); - const gchar *descr = gst_element_factory_get_description(factory); - - if (codecName == QByteArray("audio/PCM")) - m_codecDescriptions.insert(codecName, tr("Raw PCM audio")); - else - m_codecDescriptions.insert(codecName, QString::fromUtf8(descr)); - - m_streamTypes.insert(codecName, - QGstreamerMediaContainerControl::supportedStreamTypes(factory, GST_PAD_SRC)); - - gst_object_unref(GST_OBJECT(factory)); - } - } - - //if (!m_codecs.isEmpty()) - // m_audioSettings.setCodec(m_codecs[0]); -} - -QGstreamerAudioEncode::~QGstreamerAudioEncode() -{ -} - -QStringList QGstreamerAudioEncode::supportedAudioCodecs() const -{ - return m_codecs; -} - -QString QGstreamerAudioEncode::codecDescription(const QString &codecName) const -{ - return m_codecDescriptions.value(codecName); -} - -QStringList QGstreamerAudioEncode::supportedEncodingOptions(const QString &codec) const -{ - return m_codecOptions.value(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_elementNames.value(codec).constData(), NULL); - if (!encoderElement) - return 0; - - GstBin * encoderBin = GST_BIN(gst_bin_new("audio-encoder-bin")); - - GstElement *capsFilter = gst_element_factory_make("capsfilter", NULL); - - gst_bin_add(encoderBin, capsFilter); - gst_bin_add(encoderBin, encoderElement); - gst_element_link(capsFilter, encoderElement); - - // add ghostpads - GstPad *pad = gst_element_get_static_pad(capsFilter, "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(encoderElement, "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 = gst_structure_new("audio/x-raw-int", NULL); - - 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); - - //qDebug() << "set caps filter:" << gst_caps_to_string(caps); - - g_object_set(G_OBJECT(capsFilter), "caps", caps, NULL); - } - - if (encoderElement) { - if (m_audioSettings.encodingMode() == QtMultimedia::ConstantQualityEncoding) { - QtMultimedia::EncodingQuality qualityValue = m_audioSettings.quality(); - - if (codec == QLatin1String("audio/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/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); - QMapIterator<QString,QVariant> it(options); - while (it.hasNext()) { - it.next(); - QString option = it.key(); - QVariant value = it.value(); - - switch (value.type()) { - case QVariant::Int: - g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toInt(), NULL); - break; - case QVariant::Bool: - g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toBool(), NULL); - break; - case QVariant::Double: - g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toDouble(), NULL); - break; - case QVariant::String: - g_object_set(G_OBJECT(encoderElement), option.toAscii(), 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_streamTypes.value(codecName); -} |