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347 lines
9.7 KiB
347 lines
9.7 KiB
/***************************************************************************
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copyright : (C) 2004 Scott Wheeler
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "gstreamerplayer.h"
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#if HAVE_GSTREAMER
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kglobal.h>
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#include <kdebug.h>
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#include <tqfile.h>
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#include <tqtimer.h>
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// Defined because recent versions of glib add support for having gcc check
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// whether the sentinel used on g_object_{set,get} is correct. Although 0
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// is a valid NULL pointer in C++, when used in a C function call g++ doesn't
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// know to turn it into a pointer so it leaves it as an int instead (which is
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// wrong for 64-bit arch). So, use the handy define below instead.
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#define JUK_GLIB_NULL static_cast<gpointer>(0)
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#if GSTREAMER_VERSION == 8
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/******************************************************************************/
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/******************************************************************************/
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/****************************** GSTREAMER 0.8 *******************************/
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/******************************************************************************/
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/******************************************************************************/
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////////////////////////////////////////////////////////////////////////////////
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// public methods
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////////////////////////////////////////////////////////////////////////////////
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GStreamerPlayer::GStreamerPlayer() :
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Player(),
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m_pipeline(0),
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m_source(0),
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m_decoder(0),
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m_volume(0),
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m_sink(0)
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{
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readConfig();
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setupPipeline();
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}
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GStreamerPlayer::~GStreamerPlayer()
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{
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stop();
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gst_object_unref(GST_OBJECT(m_pipeline));
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}
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void GStreamerPlayer::play(const FileHandle &file)
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{
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if(!file.isNull()) {
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stop();
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g_object_set(G_OBJECT(m_source), "location", file.absFilePath().local8Bit().data(), JUK_GLIB_NULL);
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}
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gst_element_set_state(m_pipeline, GST_STATE_PLAYING);
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}
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void GStreamerPlayer::pause()
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{
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gst_element_set_state(m_pipeline, GST_STATE_PAUSED);
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}
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void GStreamerPlayer::stop()
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{
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gst_element_set_state(m_pipeline, GST_STATE_NULL);
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}
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void GStreamerPlayer::setVolume(float volume)
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{
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g_object_set(G_OBJECT(m_volume), "volume", volume, JUK_GLIB_NULL);
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}
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float GStreamerPlayer::volume() const
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{
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gdouble value;
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g_object_get(G_OBJECT(m_volume), "volume", &value, JUK_GLIB_NULL);
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return (float) value;
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}
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bool GStreamerPlayer::playing() const
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{
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return gst_element_get_state(m_pipeline) == GST_STATE_PLAYING;
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}
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bool GStreamerPlayer::paused() const
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{
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return gst_element_get_state(m_pipeline) == GST_STATE_PAUSED;
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}
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int GStreamerPlayer::totalTime() const
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{
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return time(GST_QUERY_TOTAL) / GST_SECOND;
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}
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int GStreamerPlayer::currentTime() const
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{
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return time(GST_QUERY_POSITION) / GST_SECOND;
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}
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int GStreamerPlayer::position() const
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{
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long long total = time(GST_QUERY_TOTAL);
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long long current = time(GST_QUERY_POSITION);
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return total > 0 ? int((double(current) / double(total)) * double(1000) + 0.5) : 0;
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}
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void GStreamerPlayer::seek(int seekTime)
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{
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int type = (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH);
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gst_element_seek(m_sink, GstSeekType(type), seekTime * GST_SECOND);
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}
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void GStreamerPlayer::seekPosition(int position)
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{
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long long total = time(GST_QUERY_TOTAL);
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if(total > 0)
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seek(int(double(position) / double(1000) * double(totalTime()) + 0.5));
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}
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////////////////////////////////////////////////////////////////////////////////
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// private methods
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////////////////////////////////////////////////////////////////////////////////
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void GStreamerPlayer::readConfig()
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{
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KConfigGroup config(KGlobal::config(), "GStreamerPlayer");
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m_sinkName = config.readEntry("SinkName", TQString());
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}
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void GStreamerPlayer::setupPipeline()
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{
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static bool initialized = false;
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if(!initialized) {
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int argc = kapp->argc();
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char **argv = kapp->argv();
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gst_init(&argc, &argv);
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initialized = true;
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}
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m_pipeline = gst_thread_new("pipeline");
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m_source = gst_element_factory_make("filesrc", "source");
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m_decoder = gst_element_factory_make("spider", "decoder");
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m_volume = gst_element_factory_make("volume", "volume");
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if(!m_sinkName.isNull())
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m_sink = gst_element_factory_make(m_sinkName.utf8().data(), "sink");
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else {
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m_sink = gst_element_factory_make("alsasink", "sink");
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if(!m_sink)
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m_sink = gst_element_factory_make("osssink", "sink");
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}
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gst_bin_add_many(GST_BIN(m_pipeline), m_source, m_decoder, m_volume, m_sink, 0);
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gst_element_link_many(m_source, m_decoder, m_volume, m_sink, 0);
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}
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long long GStreamerPlayer::time(GstQueryType type) const
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{
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gint64 ns = 0;
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GstFormat format = GST_FORMAT_TIME;
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gst_element_query(m_sink, type, &format, &ns);
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return ns;
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}
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#else
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/******************************************************************************/
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/******************************************************************************/
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/****************************** GSTREAMER 0.10 ******************************/
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/******************************************************************************/
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/******************************************************************************/
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static GstBusSyncReply messageHandler(GstBus *, GstMessage *message, gpointer data)
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{
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if(GST_MESSAGE_TYPE(message) == GST_MESSAGE_EOS) {
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GStreamerPlayer *player = static_cast<GStreamerPlayer *>(data);
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TQTimer::singleShot(0, player, TQT_SLOT(stop()));
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}
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gst_message_unref(message);
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return GST_BUS_DROP;
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}
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////////////////////////////////////////////////////////////////////////////////
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// public methods
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////////////////////////////////////////////////////////////////////////////////
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GStreamerPlayer::GStreamerPlayer() :
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Player(),
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m_playbin(0)
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{
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setupPipeline();
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}
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GStreamerPlayer::~GStreamerPlayer()
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{
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stop();
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gst_object_unref(GST_OBJECT(m_playbin));
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}
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void GStreamerPlayer::play(const FileHandle &file)
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{
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if(!file.isNull()) {
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stop();
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gchar *uri = g_filename_to_uri(file.absFilePath().local8Bit().data(), NULL, NULL);
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g_object_set(G_OBJECT(m_playbin), "uri", uri, JUK_GLIB_NULL);
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}
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gst_element_set_state(m_playbin, GST_STATE_PLAYING);
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}
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void GStreamerPlayer::pause()
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{
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gst_element_set_state(m_playbin, GST_STATE_PAUSED);
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}
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void GStreamerPlayer::stop()
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{
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gst_element_set_state(m_playbin, GST_STATE_NULL);
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}
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void GStreamerPlayer::setVolume(float volume)
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{
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g_object_set(G_OBJECT(m_playbin), "volume", volume, JUK_GLIB_NULL);
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}
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float GStreamerPlayer::volume() const
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{
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gdouble value;
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g_object_get(G_OBJECT(m_playbin), "volume", &value, JUK_GLIB_NULL);
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return (float) value;
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}
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bool GStreamerPlayer::playing() const
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{
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return state() == GST_STATE_PLAYING;
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}
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bool GStreamerPlayer::paused() const
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{
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return state() == GST_STATE_PAUSED;
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}
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int GStreamerPlayer::totalTime() const
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{
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return time(TotalLength) / GST_SECOND;
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}
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int GStreamerPlayer::currentTime() const
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{
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return time(CurrentPosition) / GST_SECOND;
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}
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int GStreamerPlayer::position() const
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{
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long long total = time(TotalLength);
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long long current = time(CurrentPosition);
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return total > 0 ? int((double(current) / double(total)) * double(1000) + 0.5) : 0;
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}
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void GStreamerPlayer::seek(int seekTime)
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{
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gst_element_seek(m_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
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GST_SEEK_TYPE_SET, seekTime * GST_SECOND, GST_SEEK_TYPE_END, 0);
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}
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void GStreamerPlayer::seekPosition(int position)
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{
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gint64 time = gint64((double(position) / double(1000) * double(totalTime())
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+ 0.5) * double(GST_SECOND));
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gst_element_seek(m_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
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GST_SEEK_TYPE_SET, time, GST_SEEK_TYPE_END, 0);
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}
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////////////////////////////////////////////////////////////////////////////////
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// private methods
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////////////////////////////////////////////////////////////////////////////////
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void GStreamerPlayer::setupPipeline()
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{
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static bool initialized = false;
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if(!initialized) {
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int argc = kapp->argc();
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char **argv = kapp->argv();
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gst_init(&argc, &argv);
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initialized = true;
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}
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m_playbin = gst_element_factory_make("playbin", "playbin");
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gst_bus_set_sync_handler(gst_pipeline_get_bus(GST_PIPELINE(m_playbin)), messageHandler, this);
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}
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long long GStreamerPlayer::time(TimeQuery type) const
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{
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GstQuery *query = (type == CurrentPosition)
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? gst_query_new_position(GST_FORMAT_TIME)
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: gst_query_new_duration(GST_FORMAT_TIME);
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gint64 ns = 0;
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GstFormat format;
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if(gst_element_query(m_playbin, query))
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{
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if(type == CurrentPosition)
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gst_query_parse_position(query, &format, &ns);
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else
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gst_query_parse_duration(query, &format, &ns);
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}
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gst_query_unref(query);
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return ns;
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}
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GstState GStreamerPlayer::state() const
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{
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GstState state;
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gst_element_get_state(m_playbin, &state, NULL, GST_CLOCK_TIME_NONE);
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return state;
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}
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#endif
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#include "gstreamerplayer.moc"
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#endif
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// vim: set et sw=4:
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