diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp | 187 |
1 files changed, 19 insertions, 168 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp b/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp index 0953cb09f..1e49000d6 100644 --- a/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp +++ b/src/plugins/gstreamer/camerabin/camerabinvideoencoder.cpp @@ -46,58 +46,10 @@ #include <QtCore/qdebug.h> CameraBinVideoEncoder::CameraBinVideoEncoder(CameraBinSession *session) - :QVideoEncoderControl(session), m_session(session) + :QVideoEncoderControl(session), + m_session(session), + m_codecs(QGstCodecsInfo::VideoEncoder) { - QList<QByteArray> codecCandidates; -#if defined(Q_WS_MAEMO_6) - codecCandidates << "video/mpeg4" << "video/h264" << "video/h263"; - - m_elementNames["video/h264"] = "dsph264enc"; - m_elementNames["video/mpeg4"] = "dsphdmp4venc"; - m_elementNames["video/h263"] = "dsph263enc"; - - QStringList options = QStringList() << "mode" << "keyframe-interval" << "max-bitrate" << "intra-refresh"; - m_codecOptions["video/h264"] = options; - m_codecOptions["video/mpeg4"] = options; - m_codecOptions["video/h263"] = options; -#else - codecCandidates << "video/h264" << "video/xvid" << "video/mpeg4" - << "video/mpeg1" << "video/mpeg2" << "video/theora" - << "video/VP8" << "video/h261" << "video/mjpeg"; - - m_elementNames["video/h264"] = "x264enc"; - m_elementNames["video/xvid"] = "xvidenc"; - m_elementNames["video/mpeg4"] = "ffenc_mpeg4"; - m_elementNames["video/mpeg1"] = "ffenc_mpeg1video"; - m_elementNames["video/mpeg2"] = "ffenc_mpeg2video"; - m_elementNames["video/theora"] = "theoraenc"; - m_elementNames["video/mjpeg"] = "ffenc_mjpeg"; - m_elementNames["video/VP8"] = "vp8enc"; - m_elementNames["video/h261"] = "ffenc_h261"; - - m_codecOptions["video/h264"] = QStringList() << "quantizer"; - m_codecOptions["video/xvid"] = QStringList() << "quantizer" << "profile"; - m_codecOptions["video/mpeg4"] = QStringList() << "quantizer"; - m_codecOptions["video/mpeg1"] = QStringList() << "quantizer"; - m_codecOptions["video/mpeg2"] = QStringList() << "quantizer"; - m_codecOptions["video/theora"] = QStringList(); - -#endif - - 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); - m_codecDescriptions.insert(codecName, QString::fromUtf8(descr)); - - m_streamTypes.insert(codecName, - CameraBinContainer::supportedStreamTypes(factory, GST_PAD_SRC)); - - gst_object_unref(GST_OBJECT(factory)); - } - } } CameraBinVideoEncoder::~CameraBinVideoEncoder() @@ -134,12 +86,12 @@ QList< qreal > CameraBinVideoEncoder::supportedFrameRates(const QVideoEncoderSet QStringList CameraBinVideoEncoder::supportedVideoCodecs() const { - return m_codecs; + return m_codecs.supportedCodecs(); } QString CameraBinVideoEncoder::videoCodecDescription(const QString &codecName) const { - return m_codecDescriptions.value(codecName); + return m_codecs.codecDescription(codecName); } QStringList CameraBinVideoEncoder::supportedEncodingOptions(const QString &codec) const @@ -180,118 +132,6 @@ void CameraBinVideoEncoder::resetActualSettings() m_videoSettings = m_userSettings; } -GstElement *CameraBinVideoEncoder::createEncoder() -{ - QString codec = m_videoSettings.codec(); - QByteArray elementName = m_elementNames.value(codec); - - GstElement *encoderElement = gst_element_factory_make( elementName.constData(), "video-encoder"); - - if (encoderElement) { - if (m_videoSettings.encodingMode() == QtMultimediaKit::ConstantQualityEncoding) { - QtMultimediaKit::EncodingQuality qualityValue = m_videoSettings.quality(); - - if (elementName == "x264enc") { - //constant quantizer mode - g_object_set(G_OBJECT(encoderElement), "pass", 4, NULL); - int qualityTable[] = { - 50, //VeryLow - 35, //Low - 21, //Normal - 15, //High - 8 //VeryHigh - }; - g_object_set(G_OBJECT(encoderElement), "quantizer", qualityTable[qualityValue], NULL); - } else if (elementName == "xvidenc") { - //constant quantizer mode - g_object_set(G_OBJECT(encoderElement), "pass", 3, NULL); - int qualityTable[] = { - 32, //VeryLow - 12, //Low - 5, //Normal - 3, //High - 2 //VeryHigh - }; - int quant = qualityTable[qualityValue]; - g_object_set(G_OBJECT(encoderElement), "quantizer", quant, NULL); - } else if (elementName == "ffenc_mpeg4" || - elementName == "ffenc_mpeg1video" || - elementName == "ffenc_mpeg2video" ) { - //constant quantizer mode - g_object_set(G_OBJECT(encoderElement), "pass", 2, NULL); - //quant from 1 to 30, default ~3 - double qualityTable[] = { - 20, //VeryLow - 8.0, //Low - 3.0, //Normal - 2.5, //High - 2.0 //VeryHigh - }; - double quant = qualityTable[qualityValue]; - g_object_set(G_OBJECT(encoderElement), "quantizer", quant, NULL); - } else if (elementName == "theoraenc") { - int qualityTable[] = { - 8, //VeryLow - 16, //Low - 32, //Normal - 45, //High - 60 //VeryHigh - }; - //quality from 0 to 63 - int quality = qualityTable[qualityValue]; - g_object_set(G_OBJECT(encoderElement), "quality", quality, NULL); - } else if (elementName == "dsph264enc" || - elementName == "dspmp4venc" || - elementName == "dsphdmp4venc" || - elementName == "dsph263enc") { - //only bitrate parameter is supported - int qualityTable[] = { - 1000000, //VeryLow - 2000000, //Low - 4000000, //Normal - 8000000, //High - 16000000 //VeryHigh - }; - int bitrate = qualityTable[qualityValue]; - g_object_set(G_OBJECT(encoderElement), "bitrate", bitrate, NULL); - } - } else { - int bitrate = m_videoSettings.bitRate(); - if (bitrate > 0) { - 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 encoderElement; -} QPair<int,int> CameraBinVideoEncoder::rateAsRational(qreal frameRate) const { @@ -324,8 +164,19 @@ QPair<int,int> CameraBinVideoEncoder::rateAsRational(qreal frameRate) const return QPair<int,int>(); } - -QSet<QString> CameraBinVideoEncoder::supportedStreamTypes(const QString &codecName) const +GstEncodingProfile *CameraBinVideoEncoder::createProfile() { - return m_streamTypes.value(codecName); + QString codec = m_videoSettings.codec(); + GstCaps *caps; + + if (codec.isEmpty()) + caps = gst_caps_new_any(); + else + caps = gst_caps_from_string(codec.toLatin1()); + + return (GstEncodingProfile *)gst_encoding_video_profile_new( + caps, + NULL, //preset + NULL, //restriction + 0); //presence } |