Ported gstreamer camera backend from camerabin to camerabin2.
Change-Id: Ieb08df492e7b9cbfe35e93a056685cfdac6e704e Reviewed-on: http://codereview.qt.nokia.com/2994 Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com> Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
This commit is contained in:
Dmytro Poplavskiy
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Qt by Nokia
Qt by Nokia
parent
abee3a6548
commit
da9b436cd1
@@ -41,68 +41,14 @@
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#include "camerabinaudioencoder.h"
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#include "camerabincontainer.h"
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#include "qgstcodecsinfo.h"
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#include <QtCore/qdebug.h>
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CameraBinAudioEncoder::CameraBinAudioEncoder(QObject *parent)
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:QAudioEncoderControl(parent)
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:QAudioEncoderControl(parent),
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m_codecs(QGstCodecsInfo::AudioEncoder)
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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/PCM" << "audio/AMR" << "audio/AMR-WB" << "audio/speex"
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<< "audio/ADPCM" << "audio/iLBC" << "audio/vorbis" << "audio/mpeg" << "audio/FLAC";
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m_elementNames["audio/AAC"] = "nokiaaacenc";
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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/AMR"] = "nokiaamrnbenc";
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m_elementNames["audio/AMR-WB"] = "nokiaamrwbenc";
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m_elementNames["audio/ADPCM"] = "nokiaadpcmenc";
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m_elementNames["audio/iLBC"] = "nokiailbcenc";
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m_elementNames["audio/vorbis"] = "vorbisenc";
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m_elementNames["audio/FLAC"] = "flacenc";
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m_elementNames["audio/mpeg"] = "ffenc_mp2";
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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";
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m_elementNames["audio/mpeg"] = "lamemp3enc";
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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/GSM"] = "gsmenc";
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m_elementNames["audio/PCM"] = "audioresample";
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m_elementNames["audio/AMR"] = "amrnbenc";
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m_elementNames["audio/AMR-WB"] = "amrwbenc";
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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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#endif
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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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CameraBinContainer::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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}
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CameraBinAudioEncoder::~CameraBinAudioEncoder()
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@@ -111,12 +57,12 @@ CameraBinAudioEncoder::~CameraBinAudioEncoder()
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QStringList CameraBinAudioEncoder::supportedAudioCodecs() const
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{
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return m_codecs;
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return m_codecs.supportedCodecs();
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}
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QString CameraBinAudioEncoder::codecDescription(const QString &codecName) const
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{
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return m_codecDescriptions.value(codecName);
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return m_codecs.codecDescription(codecName);
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}
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QStringList CameraBinAudioEncoder::supportedEncodingOptions(const QString &codec) const
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@@ -165,129 +111,19 @@ void CameraBinAudioEncoder::resetActualSettings()
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m_audioSettings = m_userSettings;
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}
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GstElement *CameraBinAudioEncoder::createEncoder()
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GstEncodingProfile *CameraBinAudioEncoder::createProfile()
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{
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QString codec = m_audioSettings.codec();
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QByteArray encoderElementName = m_elementNames.value(codec);
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GstElement *encoderElement = gst_element_factory_make(encoderElementName.constData(), NULL);
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if (!encoderElement)
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return 0;
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GstCaps *caps;
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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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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() == QtMultimediaKit::ConstantQualityEncoding) {
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QtMultimediaKit::EncodingQuality qualityValue = m_audioSettings.quality();
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if (encoderElementName == "lamemp3enc") {
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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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10.0, //VeryLow
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6.0, //Low
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4.0, //Normal
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2.0, //High
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0.0 //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 (encoderElementName == "ffenc_mp2") {
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int quality[] = {
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8000, //VeryLow
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64000, //Low
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128000, //Normal
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192000, //High
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320000 //VeryHigh
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};
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g_object_set(G_OBJECT(encoderElement), "bitrate", 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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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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if (codec.isEmpty())
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caps = gst_caps_new_any();
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else
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caps = gst_caps_from_string(codec.toLatin1());
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}
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QSet<QString> CameraBinAudioEncoder::supportedStreamTypes(const QString &codecName) const
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{
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return m_streamTypes.value(codecName);
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return (GstEncodingProfile *)gst_encoding_audio_profile_new(
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caps,
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NULL, //preset
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NULL, //restriction
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0); //presence
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}
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