diff options
Diffstat (limited to 'src/3rdparty/phonon/gstreamer/audioeffect.cpp')
-rw-r--r-- | src/3rdparty/phonon/gstreamer/audioeffect.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/gstreamer/audioeffect.cpp b/src/3rdparty/phonon/gstreamer/audioeffect.cpp new file mode 100644 index 0000000..db72c8b --- /dev/null +++ b/src/3rdparty/phonon/gstreamer/audioeffect.cpp @@ -0,0 +1,78 @@ +/* This file is part of the KDE project. + + Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). + + This library is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation, either version 2.1 or 3 of the License. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this library. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include "common.h" +#include "backend.h" +#include "medianode.h" +#include "effectmanager.h" +#include "audioeffect.h" +#include "gsthelper.h" + +#include <gst/gst.h> + +QT_BEGIN_NAMESPACE + +namespace Phonon +{ +namespace Gstreamer +{ +AudioEffect::AudioEffect(Backend *backend, int effectId, QObject *parent) + : Effect(backend, parent, AudioSource | AudioSink) +{ + static int count = 0; + m_name = "AudioEffect" + QString::number(count++); + QList<EffectInfo*> audioEffects = backend->effectManager()->audioEffects(); + if (effectId >= 0 && effectId < audioEffects.size()) { + m_effectName = audioEffects[effectId]->name(); + init(); + } else { + Q_ASSERT(0); // Effect ID out of range + } +} + +GstElement* AudioEffect::createEffectBin() +{ + GstElement *audioBin = gst_bin_new(NULL); + + // We need a queue to handle tee-connections from parent node + GstElement *queue= gst_element_factory_make ("queue", NULL); + gst_bin_add(GST_BIN(audioBin), queue); + + GstElement *mconv= gst_element_factory_make ("audioconvert", NULL); + gst_bin_add(GST_BIN(audioBin), mconv); + + m_effectElement = gst_element_factory_make (qPrintable(m_effectName), NULL); + gst_bin_add(GST_BIN(audioBin), m_effectElement); + + //Link src pad + GstPad *srcPad= gst_element_get_pad (m_effectElement, "src"); + gst_element_add_pad (audioBin, gst_ghost_pad_new ("src", srcPad)); + gst_object_unref (srcPad); + + //Link sink pad + gst_element_link_many(queue, mconv, m_effectElement, (const char*)NULL); + GstPad *sinkpad = gst_element_get_pad (queue, "sink"); + gst_element_add_pad (audioBin, gst_ghost_pad_new ("sink", sinkpad)); + gst_object_unref (sinkpad); + return audioBin; +} + +} +} //namespace Phonon::Gstreamer + +QT_END_NAMESPACE +#include "moc_audioeffect.cpp" |