03f22bcdaf
There are a few legacy bits left in place so it passes CI, and then qt5.git etc can be updated. Change-Id: I6b082e50e6958c72fdabc2974992e16d90dafa3a Reviewed-on: http://codereview.qt-project.org/5368 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
291 lines
10 KiB
C++
291 lines
10 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qgstreameraudioencode.h"
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#include "qgstreamercapturesession.h"
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#include "qgstreamermediacontainercontrol.h"
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#include <QtCore/qdebug.h>
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#include <math.h>
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QGstreamerAudioEncode::QGstreamerAudioEncode(QObject *parent)
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:QAudioEncoderControl(parent)
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{
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QList<QByteArray> codecCandidates;
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#if defined(Q_WS_MAEMO_6)
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codecCandidates << "audio/AAC" << "audio/mpeg" << "audio/vorbis" << "audio/speex" << "audio/GSM"
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<< "audio/PCM" << "audio/AMR" << "audio/AMR-WB" << "audio/FLAC";
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#else
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codecCandidates << "audio/mpeg" << "audio/vorbis" << "audio/speex" << "audio/GSM"
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<< "audio/PCM" << "audio/AMR" << "audio/AMR-WB" << "audio/FLAC";
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#endif
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#if defined(Q_WS_MAEMO_6)
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m_elementNames["audio/AMR"] = "nokiaamrnbenc";
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m_elementNames["audio/AMR-WB"] = "nokiaamrwbenc";
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m_elementNames["audio/AAC"] = "nokiaaacenc";
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#else
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m_elementNames["audio/mpeg"] = "lamemp3enc";
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m_elementNames["audio/AMR"] = "amrnbenc";
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m_elementNames["audio/AMR-WB"] = "amrwbenc";
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#endif
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m_elementNames["audio/vorbis"] = "vorbisenc";
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m_elementNames["audio/speex"] = "speexenc";
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m_elementNames["audio/PCM"] = "audioresample";
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m_elementNames["audio/FLAC"] = "flacenc";
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m_elementNames["audio/GSM"] = "gsmenc";
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m_codecOptions["audio/vorbis"] = QStringList() << "min-bitrate" << "max-bitrate";
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m_codecOptions["audio/mpeg"] = QStringList() << "mode";
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m_codecOptions["audio/speex"] = QStringList() << "mode" << "vbr" << "vad" << "dtx";
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m_codecOptions["audio/GSM"] = QStringList();
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m_codecOptions["audio/PCM"] = QStringList();
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m_codecOptions["audio/AMR"] = QStringList();
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m_codecOptions["audio/AMR-WB"] = QStringList();
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foreach( const QByteArray& codecName, codecCandidates ) {
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QByteArray elementName = m_elementNames[codecName];
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GstElementFactory *factory = gst_element_factory_find(elementName.constData());
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if (factory) {
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m_codecs.append(codecName);
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const gchar *descr = gst_element_factory_get_description(factory);
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if (codecName == QByteArray("audio/PCM"))
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m_codecDescriptions.insert(codecName, tr("Raw PCM audio"));
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else
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m_codecDescriptions.insert(codecName, QString::fromUtf8(descr));
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m_streamTypes.insert(codecName,
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QGstreamerMediaContainerControl::supportedStreamTypes(factory, GST_PAD_SRC));
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gst_object_unref(GST_OBJECT(factory));
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}
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}
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//if (!m_codecs.isEmpty())
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// m_audioSettings.setCodec(m_codecs[0]);
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}
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QGstreamerAudioEncode::~QGstreamerAudioEncode()
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{
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}
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QStringList QGstreamerAudioEncode::supportedAudioCodecs() const
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{
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return m_codecs;
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}
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QString QGstreamerAudioEncode::codecDescription(const QString &codecName) const
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{
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return m_codecDescriptions.value(codecName);
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}
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QStringList QGstreamerAudioEncode::supportedEncodingOptions(const QString &codec) const
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{
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return m_codecOptions.value(codec);
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}
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QVariant QGstreamerAudioEncode::encodingOption(
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const QString &codec, const QString &name) const
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{
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return m_options[codec].value(name);
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}
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void QGstreamerAudioEncode::setEncodingOption(
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const QString &codec, const QString &name, const QVariant &value)
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{
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m_options[codec][name] = value;
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}
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QList<int> QGstreamerAudioEncode::supportedSampleRates(const QAudioEncoderSettings &, bool *) const
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{
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//TODO check element caps to find actual values
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return QList<int>();
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}
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QAudioEncoderSettings QGstreamerAudioEncode::audioSettings() const
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{
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return m_audioSettings;
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}
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void QGstreamerAudioEncode::setAudioSettings(const QAudioEncoderSettings &settings)
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{
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m_audioSettings = settings;
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}
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GstElement *QGstreamerAudioEncode::createEncoder()
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{
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QString codec = m_audioSettings.codec();
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GstElement *encoderElement = gst_element_factory_make(m_elementNames.value(codec).constData(), NULL);
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if (!encoderElement)
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return 0;
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GstBin * encoderBin = GST_BIN(gst_bin_new("audio-encoder-bin"));
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GstElement *capsFilter = gst_element_factory_make("capsfilter", NULL);
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gst_bin_add(encoderBin, capsFilter);
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gst_bin_add(encoderBin, encoderElement);
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gst_element_link(capsFilter, encoderElement);
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// add ghostpads
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GstPad *pad = gst_element_get_static_pad(capsFilter, "sink");
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gst_element_add_pad(GST_ELEMENT(encoderBin), gst_ghost_pad_new("sink", pad));
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gst_object_unref(GST_OBJECT(pad));
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pad = gst_element_get_static_pad(encoderElement, "src");
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gst_element_add_pad(GST_ELEMENT(encoderBin), gst_ghost_pad_new("src", pad));
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gst_object_unref(GST_OBJECT(pad));
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if (m_audioSettings.sampleRate() > 0 || m_audioSettings.channelCount() > 0) {
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GstCaps *caps = gst_caps_new_empty();
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GstStructure *structure = gst_structure_new("audio/x-raw-int", NULL);
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if (m_audioSettings.sampleRate() > 0)
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gst_structure_set(structure, "rate", G_TYPE_INT, m_audioSettings.sampleRate(), NULL );
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if (m_audioSettings.channelCount() > 0)
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gst_structure_set(structure, "channels", G_TYPE_INT, m_audioSettings.channelCount(), NULL );
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gst_caps_append_structure(caps,structure);
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//qDebug() << "set caps filter:" << gst_caps_to_string(caps);
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g_object_set(G_OBJECT(capsFilter), "caps", caps, NULL);
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}
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if (encoderElement) {
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if (m_audioSettings.encodingMode() == QtMultimedia::ConstantQualityEncoding) {
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QtMultimedia::EncodingQuality qualityValue = m_audioSettings.quality();
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if (codec == QLatin1String("audio/vorbis")) {
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double qualityTable[] = {
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0.1, //VeryLow
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0.3, //Low
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0.5, //Normal
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0.7, //High
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1.0 //VeryHigh
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};
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g_object_set(G_OBJECT(encoderElement), "quality", qualityTable[qualityValue], NULL);
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} else if (codec == QLatin1String("audio/mpeg")) {
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g_object_set(G_OBJECT(encoderElement), "target", 0, NULL); //constant quality mode
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qreal quality[] = {
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1, //VeryLow
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3, //Low
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5, //Normal
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7, //High
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9 //VeryHigh
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};
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g_object_set(G_OBJECT(encoderElement), "quality", quality[qualityValue], NULL);
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} else if (codec == QLatin1String("audio/speex")) {
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//0-10 range with default 8
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double qualityTable[] = {
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2, //VeryLow
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5, //Low
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8, //Normal
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9, //High
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10 //VeryHigh
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};
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g_object_set(G_OBJECT(encoderElement), "quality", qualityTable[qualityValue], NULL);
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} else if (codec.startsWith("audio/AMR")) {
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int band[] = {
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0, //VeryLow
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2, //Low
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4, //Normal
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6, //High
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7 //VeryHigh
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};
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g_object_set(G_OBJECT(encoderElement), "band-mode", band[qualityValue], NULL);
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}
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} else {
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int bitrate = m_audioSettings.bitRate();
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if (bitrate > 0) {
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if (codec == QLatin1String("audio/mpeg")) {
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g_object_set(G_OBJECT(encoderElement), "target", 1, NULL); //constant bitrate mode
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}
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g_object_set(G_OBJECT(encoderElement), "bitrate", bitrate, NULL);
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}
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}
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QMap<QString, QVariant> options = m_options.value(codec);
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QMapIterator<QString,QVariant> it(options);
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while (it.hasNext()) {
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it.next();
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QString option = it.key();
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QVariant value = it.value();
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switch (value.type()) {
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case QVariant::Int:
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g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toInt(), NULL);
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break;
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case QVariant::Bool:
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g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toBool(), NULL);
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break;
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case QVariant::Double:
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g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toDouble(), NULL);
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break;
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case QVariant::String:
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g_object_set(G_OBJECT(encoderElement), option.toAscii(), value.toString().toUtf8().constData(), NULL);
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break;
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default:
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qWarning() << "unsupported option type:" << option << value;
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break;
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}
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}
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}
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return GST_ELEMENT(encoderBin);
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}
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QSet<QString> QGstreamerAudioEncode::supportedStreamTypes(const QString &codecName) const
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{
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return m_streamTypes.value(codecName);
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}
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