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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit00bb99ac80741fc50ef8a289719373032f2391eb (patch)
tree3a5a9bf72f942784b38bf77dd66c534662fab5f2 /kttsd/players/gstplayer/gstreamerplayer.cpp
downloadtdeaccessibility-00bb99ac80741fc50ef8a289719373032f2391eb.tar.gz
tdeaccessibility-00bb99ac80741fc50ef8a289719373032f2391eb.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeaccessibility@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kttsd/players/gstplayer/gstreamerplayer.cpp')
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diff --git a/kttsd/players/gstplayer/gstreamerplayer.cpp b/kttsd/players/gstplayer/gstreamerplayer.cpp
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+/***************************************************************************
+ copyright : (C) 2004 Scott Wheeler
+ email : wheeler@kde.org
+***************************************************************************/
+
+/***************************************************************************
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ ***************************************************************************/
+
+// Qt includes.
+#include <qfile.h>
+
+// KDE includes.
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+// GStreamerPlayer includes.
+#include "gstreamerplayer.h"
+#include "gstreamerplayer.moc"
+
+////////////////////////////////////////////////////////////////////////////////
+// public methods
+////////////////////////////////////////////////////////////////////////////////
+
+GStreamerPlayer::GStreamerPlayer(QObject* parent, const char* name, const QStringList& args) :
+ Player(parent, name, args),
+ m_initialized(false),
+ m_pipeline(0),
+ m_source(0),
+ m_decoder(0),
+ m_volume(0),
+ m_sink(0)
+{
+ // readConfig();
+ setupPipeline();
+}
+
+GStreamerPlayer::~GStreamerPlayer()
+{
+ stop();
+ gst_object_unref(GST_OBJECT(m_pipeline));
+}
+
+//void GStreamerPlayer::play(const FileHandle &file)
+void GStreamerPlayer::startPlay(const QString &file)
+{
+ if(!file.isNull()) {
+ stop();
+ // g_object_set(G_OBJECT(m_source), "location", file.absFilePath().local8Bit().data(), 0);
+ g_object_set(G_OBJECT(m_source),"location",file.local8Bit().data(),NULL);
+ }
+
+ gst_element_set_state(m_pipeline, GST_STATE_PLAYING);
+}
+
+void GStreamerPlayer::pause()
+{
+ gst_element_set_state(m_pipeline, GST_STATE_PAUSED);
+}
+
+void GStreamerPlayer::stop()
+{
+ gst_element_set_state(m_pipeline, GST_STATE_NULL);
+}
+
+void GStreamerPlayer::setVolume(float volume)
+{
+ g_object_set(G_OBJECT(m_volume), "volume", volume, NULL);
+}
+
+float GStreamerPlayer::volume() const
+{
+ gfloat value;
+ g_object_get(G_OBJECT(m_volume), "volume", &value, NULL);
+ return value;
+}
+
+bool GStreamerPlayer::playing() const
+{
+ return gst_element_get_state(m_pipeline) == GST_STATE_PLAYING;
+}
+
+bool GStreamerPlayer::paused() const
+{
+ return gst_element_get_state(m_pipeline) == GST_STATE_PAUSED;
+}
+
+int GStreamerPlayer::totalTime() const
+{
+ return time(GST_QUERY_TOTAL) / GST_SECOND;
+}
+
+int GStreamerPlayer::currentTime() const
+{
+ return time(GST_QUERY_POSITION) / GST_SECOND;
+}
+
+int GStreamerPlayer::position() const
+{
+ long long total = time(GST_QUERY_TOTAL);
+ long long current = time(GST_QUERY_POSITION);
+ return total > 0 ? int((double(current) / double(total)) * double(1000) + 0.5) : 0;
+}
+
+void GStreamerPlayer::seek(int seekTime)
+{
+ int type = (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH);
+ gst_element_seek(m_sink, GstSeekType(type), seekTime * GST_SECOND);
+}
+
+void GStreamerPlayer::seekPosition(int position)
+{
+ long long total = time(GST_QUERY_TOTAL);
+ if(total > 0)
+ seek(int(double(position) / double(1000) * double(totalTime()) + 0.5));
+}
+
+/**
+ * Returns a list of GStreamer plugins of the specified class.
+ * @param classname Desired class. Use "Sink/Audio" for sinks.
+ * @return List of plugin names.
+ */
+QStringList GStreamerPlayer::getPluginList( const QCString& classname )
+{
+ GList * pool_registries = NULL;
+ GList* registries = NULL;
+ GList* plugins = NULL;
+ GList* features = NULL;
+ QString name;
+ QStringList results;
+
+ if(!m_initialized) {
+ int argc = kapp->argc();
+ char **argv = kapp->argv();
+ gst_init(&argc, &argv);
+ m_initialized = true;
+ }
+
+ pool_registries = gst_registry_pool_list ();
+ registries = pool_registries;
+
+ while ( registries ) {
+ GstRegistry * registry = GST_REGISTRY ( registries->data );
+ plugins = registry->plugins;
+
+ while ( plugins ) {
+ GstPlugin * plugin = GST_PLUGIN ( plugins->data );
+ features = gst_plugin_get_feature_list ( plugin );
+
+ while ( features ) {
+ GstPluginFeature * feature = GST_PLUGIN_FEATURE ( features->data );
+
+ if ( GST_IS_ELEMENT_FACTORY ( feature ) ) {
+ GstElementFactory * factory = GST_ELEMENT_FACTORY ( feature );
+
+ if ( g_strrstr ( factory->details.klass, classname ) ) {
+ name = g_strdup ( GST_OBJECT_NAME ( factory ) );
+ if ( name != "artsdsink" ) results << name;
+ }
+ }
+ features = g_list_next ( features );
+ }
+ plugins = g_list_next ( plugins );
+ }
+ registries = g_list_next ( registries );
+ }
+ g_list_free ( pool_registries );
+ pool_registries = NULL;
+
+ return results;
+}
+
+bool GStreamerPlayer::requireVersion(uint major, uint minor, uint micro)
+{
+ guint gmajor, gminor, gmicro;
+
+ if(!m_initialized) {
+ int argc = kapp->argc();
+ char **argv = kapp->argv();
+ gst_init(&argc, &argv);
+ m_initialized = true;
+ }
+
+ gst_version(&gmajor, &gminor, &gmicro);
+ // kdDebug() << QString("GStreamerPlayer::requireVersion: You have gstreamer %1.%2.%3 installed.").arg(gmajor).arg(gminor).arg(gmicro) << endl;
+ if (gmajor > major) return true;
+ if (gminor > minor) return true;
+ if (gmicro >= micro) return true;
+ kdDebug() << QString("GStreamerPlayer::requireVersion: You have gstreamer %1.%2.%3 installed.").arg(gmajor).arg(gminor).arg(gmicro) << endl;
+ kdDebug() << QString("GStreamerPlayer::requireVersion: This application requires %1.%2.%3 or greater.").arg(major).arg(minor).arg(micro) << endl;
+ return false;
+}
+
+void GStreamerPlayer::setSinkName(const QString &sinkName) { m_sinkName = sinkName; }
+
+////////////////////////////////////////////////////////////////////////////////
+// private methods
+////////////////////////////////////////////////////////////////////////////////
+
+void GStreamerPlayer::readConfig()
+{
+ KConfigGroup config(KGlobal::config(), "GStreamerPlayer");
+ m_sinkName = config.readEntry("SinkName", QString::null);
+}
+
+void GStreamerPlayer::setupPipeline()
+{
+ if(!m_initialized) {
+ int argc = kapp->argc();
+ char **argv = kapp->argv();
+ gst_init(&argc, &argv);
+ m_initialized = true;
+ }
+
+ m_pipeline = gst_thread_new("pipeline");
+ m_source = gst_element_factory_make("filesrc", "source");
+ m_decoder = gst_element_factory_make("spider", "decoder");
+ m_volume = gst_element_factory_make("volume", "volume");
+
+ if(!m_sinkName.isNull())
+ m_sink = gst_element_factory_make(m_sinkName.utf8().data(), "sink");
+ if (!m_sink)
+ {
+ // m_sink = gst_element_factory_make("alsasink", "sink");
+ // if(!m_sink)
+ // m_sink = gst_element_factory_make("osssink", "sink");
+
+ // Reversing order. OSS seems to work. Alsa sink produces ugly echo of last
+ // couple of words in each wav file. argh!
+ // kdDebug() << "GStreamerPlayer::setupPipeline: trying oss sink." << endl;
+ m_sink = gst_element_factory_make("osssink", "sink");
+ if(!m_sink)
+ {
+ // kdDebug() << "GStreamerPlayer::setupPipeline: reverting to alsa sink." << endl;
+ m_sink = gst_element_factory_make("alsasink", "sink");
+ }
+ }
+
+ gst_bin_add_many(GST_BIN(m_pipeline), m_source, m_decoder, m_volume, m_sink, 0);
+ gst_element_link_many(m_source, m_decoder, m_volume, m_sink, 0);
+}
+
+long long GStreamerPlayer::time(GstQueryType type) const
+{
+ gint64 ns = 0;
+ GstFormat format = GST_FORMAT_TIME;
+ gst_element_query(m_sink, type, &format, &ns);
+ return ns;
+}
+
+// vim: set et sw=4: