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/kdemultimedia@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 346 insertions, 0 deletions

diff --git a/juk/gstreamerplayer.cpp b/juk/gstreamerplayer.cpp
new file mode 100644
index 00000000..c538d9ff
--- /dev/null
+++ b/juk/gstreamerplayer.cpp
@@ -0,0 +1,346 @@
+/***************************************************************************
+    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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "gstreamerplayer.h"
+
+#if HAVE_GSTREAMER
+
+#include <kapplication.h>
+#include <kconfig.h>
+#include <kglobal.h>
+#include <kdebug.h>
+
+#include <qfile.h>
+#include <qtimer.h>
+
+// Defined because recent versions of glib add support for having gcc check
+// whether the sentinel used on g_object_{set,get} is correct.  Although 0
+// is a valid NULL pointer in C++, when used in a C function call g++ doesn't
+// know to turn it into a pointer so it leaves it as an int instead (which is
+// wrong for 64-bit arch).  So, use the handy define below instead.
+
+#define JUK_GLIB_NULL static_cast<gpointer>(0)
+
+#if GSTREAMER_VERSION == 8
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************  GSTREAMER 0.8  *******************************/
+/******************************************************************************/
+/******************************************************************************/
+
+
+////////////////////////////////////////////////////////////////////////////////
+// public methods
+////////////////////////////////////////////////////////////////////////////////
+
+GStreamerPlayer::GStreamerPlayer() :
+    Player(),
+    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)
+{
+    if(!file.isNull()) {
+        stop();
+        g_object_set(G_OBJECT(m_source), "location", file.absFilePath().local8Bit().data(), JUK_GLIB_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, JUK_GLIB_NULL);
+}
+
+float GStreamerPlayer::volume() const
+{
+    gdouble value;
+    g_object_get(G_OBJECT(m_volume), "volume", &value, JUK_GLIB_NULL);
+    return (float) 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));
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// private methods
+////////////////////////////////////////////////////////////////////////////////
+
+void GStreamerPlayer::readConfig()
+{
+    KConfigGroup config(KGlobal::config(), "GStreamerPlayer");
+    m_sinkName = config.readEntry("SinkName", QString::null);
+}
+
+void GStreamerPlayer::setupPipeline()
+{
+    static bool initialized = false;
+    if(!initialized) {
+        int argc = kapp->argc();
+        char **argv = kapp->argv();
+        gst_init(&argc, &argv);
+        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");
+    else {
+        m_sink = gst_element_factory_make("alsasink", "sink");
+        if(!m_sink)
+            m_sink = gst_element_factory_make("osssink", "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;
+}
+
+#else
+
+/******************************************************************************/
+/******************************************************************************/
+/******************************  GSTREAMER 0.10  ******************************/
+/******************************************************************************/
+/******************************************************************************/
+
+static GstBusSyncReply messageHandler(GstBus *, GstMessage *message, gpointer data)
+{
+    if(GST_MESSAGE_TYPE(message) == GST_MESSAGE_EOS) {
+        GStreamerPlayer *player = static_cast<GStreamerPlayer *>(data);
+        QTimer::singleShot(0, player, SLOT(stop()));
+    }
+
+    gst_message_unref(message);
+    return GST_BUS_DROP;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// public methods
+////////////////////////////////////////////////////////////////////////////////
+
+GStreamerPlayer::GStreamerPlayer() :
+    Player(),
+    m_playbin(0)
+{
+    setupPipeline();
+}
+
+GStreamerPlayer::~GStreamerPlayer()
+{
+    stop();
+    gst_object_unref(GST_OBJECT(m_playbin));
+}
+
+void GStreamerPlayer::play(const FileHandle &file)
+{
+    if(!file.isNull()) {
+        stop();
+        gchar *uri = g_filename_to_uri(file.absFilePath().local8Bit().data(), NULL, NULL);
+        g_object_set(G_OBJECT(m_playbin), "uri", uri, JUK_GLIB_NULL);
+    }
+
+    gst_element_set_state(m_playbin, GST_STATE_PLAYING);
+}
+
+void GStreamerPlayer::pause()
+{
+    gst_element_set_state(m_playbin, GST_STATE_PAUSED);
+}
+
+void GStreamerPlayer::stop()
+{
+    gst_element_set_state(m_playbin, GST_STATE_NULL);
+}
+
+void GStreamerPlayer::setVolume(float volume)
+{
+    g_object_set(G_OBJECT(m_playbin), "volume", volume, JUK_GLIB_NULL);
+}
+
+float GStreamerPlayer::volume() const
+{
+    gdouble value;
+    g_object_get(G_OBJECT(m_playbin), "volume", &value, JUK_GLIB_NULL);
+    return (float) value;
+}
+
+bool GStreamerPlayer::playing() const
+{
+    return state() == GST_STATE_PLAYING;
+}
+
+bool GStreamerPlayer::paused() const
+{
+    return state() == GST_STATE_PAUSED;
+}
+
+int GStreamerPlayer::totalTime() const
+{
+    return time(TotalLength) / GST_SECOND;
+}
+
+int GStreamerPlayer::currentTime() const
+{
+    return time(CurrentPosition) / GST_SECOND;
+}
+
+int GStreamerPlayer::position() const
+{
+    long long total   = time(TotalLength);
+    long long current = time(CurrentPosition);
+    return total > 0 ? int((double(current) / double(total)) * double(1000) + 0.5) : 0;
+}
+
+void GStreamerPlayer::seek(int seekTime)
+{
+    gst_element_seek(m_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
+                     GST_SEEK_TYPE_SET, seekTime * GST_SECOND, GST_SEEK_TYPE_END, 0);
+}
+
+void GStreamerPlayer::seekPosition(int position)
+{
+    gint64 time = gint64((double(position) / double(1000) * double(totalTime())
+                          + 0.5) * double(GST_SECOND));
+    gst_element_seek(m_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
+                     GST_SEEK_TYPE_SET, time, GST_SEEK_TYPE_END, 0);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// private methods
+////////////////////////////////////////////////////////////////////////////////
+
+void GStreamerPlayer::setupPipeline()
+{
+    static bool initialized = false;
+    if(!initialized) {
+        int argc = kapp->argc();
+        char **argv = kapp->argv();
+        gst_init(&argc, &argv);
+        initialized = true;
+    }
+
+    m_playbin = gst_element_factory_make("playbin", "playbin");
+    gst_bus_set_sync_handler(gst_pipeline_get_bus(GST_PIPELINE(m_playbin)), messageHandler, this);
+}
+
+long long GStreamerPlayer::time(TimeQuery type) const
+{
+    GstQuery *query = (type == CurrentPosition)
+        ? gst_query_new_position(GST_FORMAT_TIME)
+        : gst_query_new_duration(GST_FORMAT_TIME);
+
+    gint64 ns = 0;
+    GstFormat format;
+
+    if(gst_element_query(m_playbin, query))
+    {
+        if(type == CurrentPosition)
+            gst_query_parse_position(query, &format, &ns);
+        else
+            gst_query_parse_duration(query, &format, &ns);
+    }
+
+    gst_query_unref(query);
+
+    return ns;
+}
+
+GstState GStreamerPlayer::state() const
+{
+    GstState state;
+    gst_element_get_state(m_playbin, &state, NULL, GST_CLOCK_TIME_NONE);
+    return state;
+}
+
+#endif
+
+#include "gstreamerplayer.moc"
+#endif
+
+// vim: set et sw=4: