Merge branch 'master' of git.opendreambox.org:/git/enigma2
[enigma2.git] / lib / service / servicemp3.cpp
index ce81b3115cc1c6089712b16dbac868bbe1af1582..73a12430ad01ce654bd5c46cb3d3890cb1eef1d1 100644 (file)
@@ -1,11 +1,27 @@
+#ifdef HAVE_GSTREAMER
+
+       /* note: this requires gstreamer 0.10.x and a big list of plugins. */
+       /* it's currently hardcoded to use a big-endian alsasink as sink. */
 #include <lib/base/eerror.h>
 #include <lib/base/object.h>
 #include <lib/base/ebase.h>
 #include <string>
 #include <lib/service/servicemp3.h>
 #include <lib/service/service.h>
+#include <lib/components/file_eraser.h>
 #include <lib/base/init_num.h>
 #include <lib/base/init.h>
+#include <gst/gst.h>
+#include <gst/pbutils/missing-plugins.h>
+#include <sys/stat.h>
+/* for subtitles */
+#include <lib/gui/esubtitle.h>
+
+#ifndef GST_SEEK_FLAG_SKIP
+#warning Compiling for legacy gstreamer, things will break
+#define GST_SEEK_FLAG_SKIP 0
+#define GST_TAG_HOMEPAGE ""
+#endif
 
 // eServiceFactoryMP3
 
@@ -15,7 +31,25 @@ eServiceFactoryMP3::eServiceFactoryMP3()
        
        eServiceCenter::getPrivInstance(sc);
        if (sc)
-               sc->addServiceFactory(eServiceFactoryMP3::id, this);
+       {
+               std::list<std::string> extensions;
+               extensions.push_back("mp2");
+               extensions.push_back("mp3");
+               extensions.push_back("ogg");
+               extensions.push_back("mpg");
+               extensions.push_back("vob");
+               extensions.push_back("wav");
+               extensions.push_back("wave");
+               extensions.push_back("mkv");
+               extensions.push_back("avi");
+               extensions.push_back("divx");
+               extensions.push_back("dat");
+               extensions.push_back("flac");
+               extensions.push_back("mp4");
+               extensions.push_back("mov");
+               extensions.push_back("m4a");
+               sc->addServiceFactory(eServiceFactoryMP3::id, this, extensions);
+       }
 
        m_service_info = new eStaticServiceMP3Info();
 }
@@ -35,7 +69,7 @@ DEFINE_REF(eServiceFactoryMP3)
 RESULT eServiceFactoryMP3::play(const eServiceReference &ref, ePtr<iPlayableService> &ptr)
 {
                // check resources...
-       ptr = new eServiceMP3(ref.path.c_str());
+       ptr = new eServiceMP3(ref.path.c_str(),ref.getName().c_str());
        return 0;
 }
 
@@ -57,12 +91,63 @@ RESULT eServiceFactoryMP3::info(const eServiceReference &ref, ePtr<iStaticServic
        return 0;
 }
 
-RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &, ePtr<iServiceOfflineOperations> &ptr)
+class eMP3ServiceOfflineOperations: public iServiceOfflineOperations
+{
+       DECLARE_REF(eMP3ServiceOfflineOperations);
+       eServiceReference m_ref;
+public:
+       eMP3ServiceOfflineOperations(const eServiceReference &ref);
+       
+       RESULT deleteFromDisk(int simulate);
+       RESULT getListOfFilenames(std::list<std::string> &);
+};
+
+DEFINE_REF(eMP3ServiceOfflineOperations);
+
+eMP3ServiceOfflineOperations::eMP3ServiceOfflineOperations(const eServiceReference &ref): m_ref((const eServiceReference&)ref)
 {
-       ptr = 0;
-       return -1;
 }
 
+RESULT eMP3ServiceOfflineOperations::deleteFromDisk(int simulate)
+{
+       if (simulate)
+               return 0;
+       else
+       {
+               std::list<std::string> res;
+               if (getListOfFilenames(res))
+                       return -1;
+               
+               eBackgroundFileEraser *eraser = eBackgroundFileEraser::getInstance();
+               if (!eraser)
+                       eDebug("FATAL !! can't get background file eraser");
+               
+               for (std::list<std::string>::iterator i(res.begin()); i != res.end(); ++i)
+               {
+                       eDebug("Removing %s...", i->c_str());
+                       if (eraser)
+                               eraser->erase(i->c_str());
+                       else
+                               ::unlink(i->c_str());
+               }
+               
+               return 0;
+       }
+}
+
+RESULT eMP3ServiceOfflineOperations::getListOfFilenames(std::list<std::string> &res)
+{
+       res.clear();
+       res.push_back(m_ref.path);
+       return 0;
+}
+
+
+RESULT eServiceFactoryMP3::offlineOperations(const eServiceReference &ref, ePtr<iServiceOfflineOperations> &ptr)
+{
+       ptr = new eMP3ServiceOfflineOperations(ref);
+       return 0;
+}
 
 // eStaticServiceMP3Info
 
@@ -82,7 +167,16 @@ eStaticServiceMP3Info::eStaticServiceMP3Info()
 
 RESULT eStaticServiceMP3Info::getName(const eServiceReference &ref, std::string &name)
 {
-       name = "MP3 file: " + ref.path;
+       if ( ref.name.length() )
+               name = ref.name;
+       else
+       {
+               size_t last = ref.path.rfind('/');
+               if (last != std::string::npos)
+                       name = ref.path.substr(last+1);
+               else
+                       name = ref.path;
+       }
        return 0;
 }
 
@@ -93,23 +187,167 @@ int eStaticServiceMP3Info::getLength(const eServiceReference &ref)
 
 // eServiceMP3
 
-void eServiceMP3::test_end()
+eServiceMP3::eServiceMP3(const char *filename, const char *title): m_filename(filename), m_title(title), m_pump(eApp, 1)
 {
-       eDebug("end of mp3!");
-       stop();
-}
+       m_seekTimeout = eTimer::create(eApp);
+       m_subtitle_sync_timer = eTimer::create(eApp);
+       m_stream_tags = 0;
+       m_currentAudioStream = 0;
+       m_currentSubtitleStream = 0;
+       m_subtitle_widget = 0;
+       m_currentTrickRatio = 0;
+       CONNECT(m_seekTimeout->timeout, eServiceMP3::seekTimeoutCB);
+       CONNECT(m_subtitle_sync_timer->timeout, eServiceMP3::pushSubtitles);
+       CONNECT(m_pump.recv_msg, eServiceMP3::gstPoll);
+       m_aspect = m_width = m_height = m_framerate = m_progressive = -1;
 
-eServiceMP3::eServiceMP3(const char *filename): filename(filename), test(eApp)
-{
        m_state = stIdle;
-       eDebug("SERVICEMP3 construct!");
+       eDebug("eServiceMP3::construct!");
+       
+       const char *ext = strrchr(filename, '.');
+       if (!ext)
+               ext = filename;
+
+       sourceStream sourceinfo;
+       sourceinfo.is_video = FALSE;
+       sourceinfo.audiotype = atUnknown;
+       if ( (strcasecmp(ext, ".mpeg") && strcasecmp(ext, ".mpg") && strcasecmp(ext, ".vob") && strcasecmp(ext, ".bin") && strcasecmp(ext, ".dat") ) == 0 )
+       {
+               sourceinfo.containertype = ctMPEGPS;
+               sourceinfo.is_video = TRUE;
+       }
+       else if ( strcasecmp(ext, ".ts") == 0 )
+       {
+               sourceinfo.containertype = ctMPEGTS;
+               sourceinfo.is_video = TRUE;
+       }
+       else if ( strcasecmp(ext, ".mkv") == 0 )
+       {
+               sourceinfo.containertype = ctMKV;
+               sourceinfo.is_video = TRUE;
+       }
+       else if ( strcasecmp(ext, ".avi") == 0 || strcasecmp(ext, ".divx") == 0)
+       {
+               sourceinfo.containertype = ctAVI;
+               sourceinfo.is_video = TRUE;
+       }
+       else if ( strcasecmp(ext, ".mp4") == 0 || strcasecmp(ext, ".mov") == 0)
+       {
+               sourceinfo.containertype = ctMP4;
+               sourceinfo.is_video = TRUE;
+       }
+       else if ( strcasecmp(ext, ".m4a") == 0 )
+       {
+               sourceinfo.containertype = ctMP4;
+               sourceinfo.audiotype = atAAC;
+       }
+       else if ( strcasecmp(ext, ".mp3") == 0 )
+               sourceinfo.audiotype = atMP3;
+       else if ( (strncmp(filename, "/autofs/", 8) || strncmp(filename+strlen(filename)-13, "/track-", 7) || strcasecmp(ext, ".wav")) == 0 )
+               sourceinfo.containertype = ctCDA;
+       if ( strcasecmp(ext, ".dat") == 0 )
+       {
+               sourceinfo.containertype = ctVCD;
+               sourceinfo.is_video = TRUE;
+       }
+       if ( (strncmp(filename, "http://", 7)) == 0 || (strncmp(filename, "udp://", 6)) == 0 || (strncmp(filename, "rtsp://", 7)) == 0 )
+               sourceinfo.is_streaming = TRUE;
+
+       gchar *uri;
+
+       if ( sourceinfo.is_streaming )
+       {
+               uri = g_strdup_printf ("%s", filename);
+       }
+       else if ( sourceinfo.containertype == ctCDA )
+       {
+               int i_track = atoi(filename+18);
+               uri = g_strdup_printf ("cdda://%i", i_track);
+       }
+       else if ( sourceinfo.containertype == ctVCD )
+       {
+               int fd = open(filename,O_RDONLY);
+               char tmp[128*1024];
+               int ret = read(fd, tmp, 128*1024);
+               close(fd);
+               if ( ret == -1 ) // this is a "REAL" VCD
+                       uri = g_strdup_printf ("vcd://");
+               else
+                       uri = g_strdup_printf ("file://%s", filename);
+       }
+       else
+
+               uri = g_strdup_printf ("file://%s", filename);
+
+       eDebug("eServiceMP3::playbin2 uri=%s", uri);
+
+       m_gst_playbin = gst_element_factory_make("playbin2", "playbin");
+       if (!m_gst_playbin)
+               m_error_message = "failed to create GStreamer pipeline!\n";
+
+       g_object_set (G_OBJECT (m_gst_playbin), "uri", uri, NULL);
+
+       int flags = 0x47; // ( == GST_PLAY_FLAG_VIDEO | GST_PLAY_FLAG_AUDIO | GST_PLAY_FLAG_NATIVE_VIDEO | GST_PLAY_FLAG_TEXT )
+       g_object_set (G_OBJECT (m_gst_playbin), "flags", flags, NULL);
+
+       g_free(uri);
+
+       GstElement *subsink = gst_element_factory_make("appsink", "subtitle_sink");
+       if (!subsink)
+               eDebug("eServiceMP3::sorry, can't play: missing gst-plugin-appsink");
+       else
+       {
+               g_object_set (G_OBJECT (subsink), "emit-signals", TRUE, NULL);
+               g_signal_connect (subsink, "new-buffer", G_CALLBACK (gstCBsubtitleAvail), this);
+               g_object_set (G_OBJECT (m_gst_playbin), "text-sink", subsink, NULL);
+       }
+
+       if ( m_gst_playbin )
+       {
+               gst_bus_set_sync_handler(gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin)), gstBusSyncHandler, this);
+               char srt_filename[strlen(filename)+1];
+               strncpy(srt_filename,filename,strlen(filename)-3);
+               srt_filename[strlen(filename)-3]='\0';
+               strcat(srt_filename, "srt");
+               struct stat buffer;
+               if (stat(srt_filename, &buffer) == 0)
+               {
+                       std::string suburi = "file://" + (std::string)srt_filename;
+                       eDebug("eServiceMP3::subtitle uri: %s",suburi.c_str());
+                       g_object_set (G_OBJECT (m_gst_playbin), "suburi", suburi.c_str(), NULL);
+                       subtitleStream subs;
+                       subs.type = stSRT;
+                       subs.language_code = std::string("und");
+                       m_subtitleStreams.push_back(subs);
+               }
+       } else
+       {
+               m_event((iPlayableService*)this, evUser+12);
+
+               if (m_gst_playbin)
+                       gst_object_unref(GST_OBJECT(m_gst_playbin));
+
+               eDebug("eServiceMP3::sorry, can't play: %s",m_error_message.c_str());
+               m_gst_playbin = 0;
+       }
+
+       gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
 }
 
 eServiceMP3::~eServiceMP3()
 {
-       eDebug("SERVICEMP3 destruct!");
+       delete m_subtitle_widget;
        if (m_state == stRunning)
                stop();
+       
+       if (m_stream_tags)
+               gst_tag_list_free(m_stream_tags);
+       
+       if (m_gst_playbin)
+       {
+               gst_object_unref (GST_OBJECT (m_gst_playbin));
+               eDebug("eServiceMP3::destruct!");
+       }
 }
 
 DEFINE_REF(eServiceMP3);       
@@ -122,30 +360,34 @@ RESULT eServiceMP3::connectEvent(const Slot2<void,iPlayableService*,int> &event,
 
 RESULT eServiceMP3::start()
 {
-       assert(m_state == stIdle);
+       ASSERT(m_state == stIdle);
        
        m_state = stRunning;
-
-       printf("mp3 starts\n");
-       printf("MP3: %s start\n", filename.c_str());
-       test.start(1000, 1);
-       CONNECT(test.timeout, eServiceMP3::test_end);
+       if (m_gst_playbin)
+       {
+               eDebug("eServiceMP3::starting pipeline");
+               gst_element_set_state (m_gst_playbin, GST_STATE_PLAYING);
+       }
        m_event(this, evStart);
        return 0;
 }
 
 RESULT eServiceMP3::stop()
 {
-       assert(m_state != stIdle);
+       ASSERT(m_state != stIdle);
        if (m_state == stStopped)
                return -1;
-       test.stop();
-       printf("MP3: %s stop\n", filename.c_str());
+       eDebug("eServiceMP3::stop %s", m_filename.c_str());
+       gst_element_set_state(m_gst_playbin, GST_STATE_NULL);
        m_state = stStopped;
-       m_event(this, evEOF);
        return 0;
 }
 
+RESULT eServiceMP3::setTarget(int target)
+{
+       return -1;
+}
+
 RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 {
        ptr=this;
@@ -154,27 +396,196 @@ RESULT eServiceMP3::pause(ePtr<iPauseableService> &ptr)
 
 RESULT eServiceMP3::setSlowMotion(int ratio)
 {
-       return -1;
+       if (!ratio)
+               return 0;
+       eDebug("eServiceMP3::setSlowMotion ratio=%f",1/(float)ratio);
+       return trickSeek(1/(float)ratio);
 }
 
 RESULT eServiceMP3::setFastForward(int ratio)
 {
-       return -1;
+       eDebug("eServiceMP3::setFastForward ratio=%i",ratio);
+       return trickSeek(ratio);
 }
-  
+
+void eServiceMP3::seekTimeoutCB()
+{
+       pts_t ppos, len;
+       getPlayPosition(ppos);
+       getLength(len);
+       ppos += 90000*m_currentTrickRatio;
+       
+       if (ppos < 0)
+       {
+               ppos = 0;
+               m_seekTimeout->stop();
+       }
+       if (ppos > len)
+       {
+               ppos = 0;
+               stop();
+               m_seekTimeout->stop();
+               return;
+       }
+       seekTo(ppos);
+}
+
                // iPausableService
 RESULT eServiceMP3::pause()
 {
-       printf("mp3 pauses!\n");
+       if (!m_gst_playbin || m_state != stRunning)
+               return -1;
+       GstStateChangeReturn res = gst_element_set_state(m_gst_playbin, GST_STATE_PAUSED);
+       if (res == GST_STATE_CHANGE_ASYNC)
+       {
+               pts_t ppos;
+               getPlayPosition(ppos);
+               seekTo(ppos);
+       }
        return 0;
 }
 
 RESULT eServiceMP3::unpause()
 {
-       printf("mp3 unpauses!\n");
+       m_subtitle_pages.clear();
+       if (!m_gst_playbin || m_state != stRunning)
+               return -1;
+
+       GstStateChangeReturn res;
+       res = gst_element_set_state(m_gst_playbin, GST_STATE_PLAYING);
+       return 0;
+}
+
+       /* iSeekableService */
+RESULT eServiceMP3::seek(ePtr<iSeekableService> &ptr)
+{
+       ptr = this;
        return 0;
 }
 
+RESULT eServiceMP3::getLength(pts_t &pts)
+{
+       if (!m_gst_playbin)
+               return -1;
+       if (m_state != stRunning)
+               return -1;
+       
+       GstFormat fmt = GST_FORMAT_TIME;
+       gint64 len;
+       
+       if (!gst_element_query_duration(m_gst_playbin, &fmt, &len))
+               return -1;
+               /* len is in nanoseconds. we have 90 000 pts per second. */
+       
+       pts = len / 11111;
+       return 0;
+}
+
+RESULT eServiceMP3::seekTo(pts_t to)
+{
+       m_subtitle_pages.clear();
+
+       if (!m_gst_playbin)
+               return -1;
+
+               /* convert pts to nanoseconds */
+       gint64 time_nanoseconds = to * 11111LL;
+       if (!gst_element_seek (m_gst_playbin, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
+               GST_SEEK_TYPE_SET, time_nanoseconds,
+               GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
+       {
+               eDebug("eServiceMP3::seekTo failed");
+               return -1;
+       }
+       return 0;
+}
+
+RESULT eServiceMP3::trickSeek(gdouble ratio)
+{
+       if (!m_gst_playbin)
+               return -1;
+       if (!ratio)
+               return seekRelative(0, 0);
+
+       GstEvent *s_event;
+       GstSeekFlags flags;
+       flags = GST_SEEK_FLAG_NONE;
+       flags |= GstSeekFlags (GST_SEEK_FLAG_FLUSH);
+//     flags |= GstSeekFlags (GST_SEEK_FLAG_ACCURATE);
+       flags |= GstSeekFlags (GST_SEEK_FLAG_KEY_UNIT);
+//     flags |= GstSeekFlags (GST_SEEK_FLAG_SEGMENT);
+//     flags |= GstSeekFlags (GST_SEEK_FLAG_SKIP);
+
+       GstFormat fmt = GST_FORMAT_TIME;
+       gint64 pos, len;
+       gst_element_query_duration(m_gst_playbin, &fmt, &len);
+       gst_element_query_position(m_gst_playbin, &fmt, &pos);
+
+       if ( ratio >= 0 )
+       {
+               s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET, pos, GST_SEEK_TYPE_SET, len);
+
+               eDebug("eServiceMP3::trickSeek with rate %lf to %" GST_TIME_FORMAT " ", ratio, GST_TIME_ARGS (pos));
+       }
+       else
+       {
+               s_event = gst_event_new_seek (ratio, GST_FORMAT_TIME, GST_SEEK_FLAG_SKIP|GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_NONE, -1, GST_SEEK_TYPE_NONE, -1);
+       }
+
+       if (!gst_element_send_event ( GST_ELEMENT (m_gst_playbin), s_event))
+       {
+               eDebug("eServiceMP3::trickSeek failed");
+               return -1;
+       }
+
+       return 0;
+}
+
+
+RESULT eServiceMP3::seekRelative(int direction, pts_t to)
+{
+       if (!m_gst_playbin)
+               return -1;
+
+       pts_t ppos;
+       getPlayPosition(ppos);
+       ppos += to * direction;
+       if (ppos < 0)
+               ppos = 0;
+       seekTo(ppos);
+       
+       return 0;
+}
+
+RESULT eServiceMP3::getPlayPosition(pts_t &pts)
+{
+       if (!m_gst_playbin)
+               return -1;
+       if (m_state != stRunning)
+               return -1;
+
+       GstFormat fmt = GST_FORMAT_TIME;
+       gint64 len;
+       
+       if (!gst_element_query_position(m_gst_playbin, &fmt, &len))
+               return -1;
+
+               /* len is in nanoseconds. we have 90 000 pts per second. */
+       pts = len / 11111;
+       return 0;
+}
+
+RESULT eServiceMP3::setTrickmode(int trick)
+{
+               /* trickmode is not yet supported by our dvbmediasinks. */
+       return -1;
+}
+
+RESULT eServiceMP3::isCurrentlySeekable()
+{
+       return 1;
+}
+
 RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 {
        i = this;
@@ -183,8 +594,801 @@ RESULT eServiceMP3::info(ePtr<iServiceInformation>&i)
 
 RESULT eServiceMP3::getName(std::string &name)
 {
-       name = "MP3 File: " + filename;
+       if (m_title.empty())
+       {
+               name = m_filename;
+               size_t n = name.rfind('/');
+               if (n != std::string::npos)
+                       name = name.substr(n + 1);
+       }
+       else
+               name = m_title;
        return 0;
 }
 
+
+int eServiceMP3::getInfo(int w)
+{
+       const gchar *tag = 0;
+
+       switch (w)
+       {
+       case sVideoHeight: return m_height;
+       case sVideoWidth: return m_width;
+       case sFrameRate: return m_framerate;
+       case sProgressive: return m_progressive;
+       case sAspect: return m_aspect;
+       case sTagTitle:
+       case sTagArtist:
+       case sTagAlbum:
+       case sTagTitleSortname:
+       case sTagArtistSortname:
+       case sTagAlbumSortname:
+       case sTagDate:
+       case sTagComposer:
+       case sTagGenre:
+       case sTagComment:
+       case sTagExtendedComment:
+       case sTagLocation:
+       case sTagHomepage:
+       case sTagDescription:
+       case sTagVersion:
+       case sTagISRC:
+       case sTagOrganization:
+       case sTagCopyright:
+       case sTagCopyrightURI:
+       case sTagContact:
+       case sTagLicense:
+       case sTagLicenseURI:
+       case sTagCodec:
+       case sTagAudioCodec:
+       case sTagVideoCodec:
+       case sTagEncoder:
+       case sTagLanguageCode:
+       case sTagKeywords:
+       case sTagChannelMode:
+       case sUser+12:
+               return resIsString;
+       case sTagTrackGain:
+       case sTagTrackPeak:
+       case sTagAlbumGain:
+       case sTagAlbumPeak:
+       case sTagReferenceLevel:
+       case sTagBeatsPerMinute:
+       case sTagImage:
+       case sTagPreviewImage:
+       case sTagAttachment:
+               return resIsPyObject;
+       case sTagTrackNumber:
+               tag = GST_TAG_TRACK_NUMBER;
+               break;
+       case sTagTrackCount:
+               tag = GST_TAG_TRACK_COUNT;
+               break;
+       case sTagAlbumVolumeNumber:
+               tag = GST_TAG_ALBUM_VOLUME_NUMBER;
+               break;
+       case sTagAlbumVolumeCount:
+               tag = GST_TAG_ALBUM_VOLUME_COUNT;
+               break;
+       case sTagBitrate:
+               tag = GST_TAG_BITRATE;
+               break;
+       case sTagNominalBitrate:
+               tag = GST_TAG_NOMINAL_BITRATE;
+               break;
+       case sTagMinimumBitrate:
+               tag = GST_TAG_MINIMUM_BITRATE;
+               break;
+       case sTagMaximumBitrate:
+               tag = GST_TAG_MAXIMUM_BITRATE;
+               break;
+       case sTagSerial:
+               tag = GST_TAG_SERIAL;
+               break;
+       case sTagEncoderVersion:
+               tag = GST_TAG_ENCODER_VERSION;
+               break;
+       case sTagCRC:
+               tag = "has-crc";
+               break;
+       default:
+               return resNA;
+       }
+
+       if (!m_stream_tags || !tag)
+               return 0;
+       
+       guint value;
+       if (gst_tag_list_get_uint(m_stream_tags, tag, &value))
+               return (int) value;
+
+       return 0;
+}
+
+std::string eServiceMP3::getInfoString(int w)
+{
+       if ( !m_stream_tags && w < sUser && w > 26 )
+               return "";
+       const gchar *tag = 0;
+       switch (w)
+       {
+       case sTagTitle:
+               tag = GST_TAG_TITLE;
+               break;
+       case sTagArtist:
+               tag = GST_TAG_ARTIST;
+               break;
+       case sTagAlbum:
+               tag = GST_TAG_ALBUM;
+               break;
+       case sTagTitleSortname:
+               tag = GST_TAG_TITLE_SORTNAME;
+               break;
+       case sTagArtistSortname:
+               tag = GST_TAG_ARTIST_SORTNAME;
+               break;
+       case sTagAlbumSortname:
+               tag = GST_TAG_ALBUM_SORTNAME;
+               break;
+       case sTagDate:
+               GDate *date;
+               if (gst_tag_list_get_date(m_stream_tags, GST_TAG_DATE, &date))
+               {
+                       gchar res[5];
+                       g_date_strftime (res, sizeof(res), "%Y-%M-%D", date); 
+                       return (std::string)res;
+               }
+               break;
+       case sTagComposer:
+               tag = GST_TAG_COMPOSER;
+               break;
+       case sTagGenre:
+               tag = GST_TAG_GENRE;
+               break;
+       case sTagComment:
+               tag = GST_TAG_COMMENT;
+               break;
+       case sTagExtendedComment:
+               tag = GST_TAG_EXTENDED_COMMENT;
+               break;
+       case sTagLocation:
+               tag = GST_TAG_LOCATION;
+               break;
+       case sTagHomepage:
+               tag = GST_TAG_HOMEPAGE;
+               break;
+       case sTagDescription:
+               tag = GST_TAG_DESCRIPTION;
+               break;
+       case sTagVersion:
+               tag = GST_TAG_VERSION;
+               break;
+       case sTagISRC:
+               tag = GST_TAG_ISRC;
+               break;
+       case sTagOrganization:
+               tag = GST_TAG_ORGANIZATION;
+               break;
+       case sTagCopyright:
+               tag = GST_TAG_COPYRIGHT;
+               break;
+       case sTagCopyrightURI:
+               tag = GST_TAG_COPYRIGHT_URI;
+               break;
+       case sTagContact:
+               tag = GST_TAG_CONTACT;
+               break;
+       case sTagLicense:
+               tag = GST_TAG_LICENSE;
+               break;
+       case sTagLicenseURI:
+               tag = GST_TAG_LICENSE_URI;
+               break;
+       case sTagCodec:
+               tag = GST_TAG_CODEC;
+               break;
+       case sTagAudioCodec:
+               tag = GST_TAG_AUDIO_CODEC;
+               break;
+       case sTagVideoCodec:
+               tag = GST_TAG_VIDEO_CODEC;
+               break;
+       case sTagEncoder:
+               tag = GST_TAG_ENCODER;
+               break;
+       case sTagLanguageCode:
+               tag = GST_TAG_LANGUAGE_CODE;
+               break;
+       case sTagKeywords:
+               tag = GST_TAG_KEYWORDS;
+               break;
+       case sTagChannelMode:
+               tag = "channel-mode";
+               break;
+       case sUser+12:
+               return m_error_message;
+       default:
+               return "";
+       }
+       if ( !tag )
+               return "";
+       gchar *value;
+       if (gst_tag_list_get_string(m_stream_tags, tag, &value))
+       {
+               std::string res = value;
+               g_free(value);
+               return res;
+       }
+       return "";
+}
+
+PyObject *eServiceMP3::getInfoObject(int w)
+{
+       const gchar *tag = 0;
+       bool isBuffer = false;
+       switch (w)
+       {
+               case sTagTrackGain:
+                       tag = GST_TAG_TRACK_GAIN;
+                       break;
+               case sTagTrackPeak:
+                       tag = GST_TAG_TRACK_PEAK;
+                       break;
+               case sTagAlbumGain:
+                       tag = GST_TAG_ALBUM_GAIN;
+                       break;
+               case sTagAlbumPeak:
+                       tag = GST_TAG_ALBUM_PEAK;
+                       break;
+               case sTagReferenceLevel:
+                       tag = GST_TAG_REFERENCE_LEVEL;
+                       break;
+               case sTagBeatsPerMinute:
+                       tag = GST_TAG_BEATS_PER_MINUTE;
+                       break;
+               case sTagImage:
+                       tag = GST_TAG_IMAGE;
+                       isBuffer = true;
+                       break;
+               case sTagPreviewImage:
+                       tag = GST_TAG_PREVIEW_IMAGE;
+                       isBuffer = true;
+                       break;
+               case sTagAttachment:
+                       tag = GST_TAG_ATTACHMENT;
+                       isBuffer = true;
+                       break;
+               default:
+                       break;
+       }
+       gdouble value;
+       if ( !tag || !m_stream_tags )
+               value = 0.0;
+       PyObject *pyValue;
+       if ( isBuffer )
+       {
+               const GValue *gv_buffer = gst_tag_list_get_value_index(m_stream_tags, tag, 0);
+               if ( gv_buffer )
+               {
+                       GstBuffer *buffer;
+                       buffer = gst_value_get_buffer (gv_buffer);
+                       pyValue = PyBuffer_FromMemory(GST_BUFFER_DATA(buffer), GST_BUFFER_SIZE(buffer));
+               }
+       }
+       else
+       {
+               gst_tag_list_get_double(m_stream_tags, tag, &value);
+               pyValue = PyFloat_FromDouble(value);
+       }
+
+       return pyValue;
+}
+
+RESULT eServiceMP3::audioChannel(ePtr<iAudioChannelSelection> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
+RESULT eServiceMP3::audioTracks(ePtr<iAudioTrackSelection> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
+RESULT eServiceMP3::subtitle(ePtr<iSubtitleOutput> &ptr)
+{
+       ptr = this;
+       return 0;
+}
+
+int eServiceMP3::getNumberOfTracks()
+{
+       return m_audioStreams.size();
+}
+
+int eServiceMP3::getCurrentTrack()
+{
+       return m_currentAudioStream;
+}
+
+RESULT eServiceMP3::selectTrack(unsigned int i)
+{
+       int ret = selectAudioStream(i);
+       /* flush */
+       pts_t ppos;
+       getPlayPosition(ppos);
+       seekTo(ppos);
+
+       return ret;
+}
+
+int eServiceMP3::selectAudioStream(int i)
+{
+       int current_audio;
+       g_object_set (G_OBJECT (m_gst_playbin), "current-audio", i, NULL);
+       g_object_get (G_OBJECT (m_gst_playbin), "current-audio", &current_audio, NULL);
+       if ( current_audio == i )
+       {
+               eDebug ("eServiceMP3::switched to audio stream %i", current_audio);
+               m_currentAudioStream = i;
+               return 0;
+       }
+       return -1;
+}
+
+int eServiceMP3::getCurrentChannel()
+{
+       return STEREO;
+}
+
+RESULT eServiceMP3::selectChannel(int i)
+{
+       eDebug("eServiceMP3::selectChannel(%i)",i);
+       return 0;
+}
+
+RESULT eServiceMP3::getTrackInfo(struct iAudioTrackInfo &info, unsigned int i)
+{
+       if (i >= m_audioStreams.size())
+               return -2;
+               info.m_description = m_audioStreams[i].codec;
+/*     if (m_audioStreams[i].type == atMPEG)
+               info.m_description = "MPEG";
+       else if (m_audioStreams[i].type == atMP3)
+               info.m_description = "MP3";
+       else if (m_audioStreams[i].type == atAC3)
+               info.m_description = "AC3";
+       else if (m_audioStreams[i].type == atAAC)
+               info.m_description = "AAC";
+       else if (m_audioStreams[i].type == atDTS)
+               info.m_description = "DTS";
+       else if (m_audioStreams[i].type == atPCM)
+               info.m_description = "PCM";
+       else if (m_audioStreams[i].type == atOGG)
+               info.m_description = "OGG";
+       else if (m_audioStreams[i].type == atFLAC)
+               info.m_description = "FLAC";
+       else
+               info.m_description = "???";*/
+       if (info.m_language.empty())
+               info.m_language = m_audioStreams[i].language_code;
+       return 0;
+}
+
+void eServiceMP3::gstBusCall(GstBus *bus, GstMessage *msg)
+{
+       if (!msg)
+               return;
+       gchar *sourceName;
+       GstObject *source;
+
+       source = GST_MESSAGE_SRC(msg);
+       sourceName = gst_object_get_name(source);
+#if 0
+       if (gst_message_get_structure(msg))
+       {
+               gchar *string = gst_structure_to_string(gst_message_get_structure(msg));
+               eDebug("eServiceMP3::gst_message from %s: %s", sourceName, string);
+               g_free(string);
+       }
+       else
+               eDebug("eServiceMP3::gst_message from %s: %s (without structure)", sourceName, GST_MESSAGE_TYPE_NAME(msg));
+#endif
+       if ( GST_MESSAGE_TYPE (msg) == GST_MESSAGE_STATE_CHANGED )
+               return;
+       switch (GST_MESSAGE_TYPE (msg))
+       {
+               case GST_MESSAGE_EOS:
+                       m_event((iPlayableService*)this, evEOF);
+                       break;
+               case GST_MESSAGE_ERROR:
+               {
+                       gchar *debug;
+                       GError *err;
+       
+                       gst_message_parse_error (msg, &err, &debug);
+                       g_free (debug);
+                       eWarning("Gstreamer error: %s (%i) from %s", err->message, err->code, sourceName );
+                       if ( err->domain == GST_STREAM_ERROR )
+                       {
+                               if ( err->code == GST_STREAM_ERROR_CODEC_NOT_FOUND )
+                               {
+                                       if ( g_strrstr(sourceName, "videosink") )
+                                               m_event((iPlayableService*)this, evUser+11);
+                                       else if ( g_strrstr(sourceName, "audiosink") )
+                                               m_event((iPlayableService*)this, evUser+10);
+                               }
+                       }
+                       g_error_free(err);
+                       break;
+               }
+               case GST_MESSAGE_INFO:
+               {
+                       gchar *debug;
+                       GError *inf;
+       
+                       gst_message_parse_info (msg, &inf, &debug);
+                       g_free (debug);
+                       if ( inf->domain == GST_STREAM_ERROR && inf->code == GST_STREAM_ERROR_DECODE )
+                       {
+                               if ( g_strrstr(sourceName, "videosink") )
+                                       m_event((iPlayableService*)this, evUser+14);
+                       }
+                       g_error_free(inf);
+                       break;
+               }
+               case GST_MESSAGE_TAG:
+               {
+                       GstTagList *tags, *result;
+                       gst_message_parse_tag(msg, &tags);
+       
+                       result = gst_tag_list_merge(m_stream_tags, tags, GST_TAG_MERGE_REPLACE);
+                       if (result)
+                       {
+                               if (m_stream_tags)
+                                       gst_tag_list_free(m_stream_tags);
+                               m_stream_tags = result;
+                       }
+       
+                       const GValue *gv_image = gst_tag_list_get_value_index(tags, GST_TAG_IMAGE, 0);
+                       if ( gv_image )
+                       {
+                               GstBuffer *buf_image;
+                               buf_image = gst_value_get_buffer (gv_image);
+                               int fd = open("/tmp/.id3coverart", O_CREAT|O_WRONLY|O_TRUNC, 0644);
+                               int ret = write(fd, GST_BUFFER_DATA(buf_image), GST_BUFFER_SIZE(buf_image));
+                               close(fd);
+                               eDebug("eServiceMP3::/tmp/.id3coverart %d bytes written ", ret);
+                               m_event((iPlayableService*)this, evUser+13);
+                       }
+       
+                       gst_tag_list_free(tags);
+                       m_event((iPlayableService*)this, evUpdatedInfo);
+                       break;
+               }
+               case GST_MESSAGE_ASYNC_DONE:
+               {
+                       GstTagList *tags;
+                       gint i, active_idx, n_video = 0, n_audio = 0, n_text = 0;
+
+                       g_object_get (m_gst_playbin, "n-video", &n_video, NULL);
+                       g_object_get (m_gst_playbin, "n-audio", &n_audio, NULL);
+                       g_object_get (m_gst_playbin, "n-text", &n_text, NULL);
+
+                       eDebug("eServiceMP3::async-done - %d video, %d audio, %d subtitle", n_video, n_audio, n_text);
+
+                       active_idx = 0;
+
+                       m_audioStreams.clear();
+                       m_subtitleStreams.clear();
+
+                       for (i = 0; i < n_audio; i++)
+                       {
+                               audioStream audio;
+                               gchar *g_codec, *g_lang;
+                               GstPad* pad = 0;
+                               g_signal_emit_by_name (m_gst_playbin, "get-audio-pad", i, &pad);
+                               GstCaps* caps = gst_pad_get_negotiated_caps(pad);
+                               GstStructure* str = gst_caps_get_structure(caps, 0);
+gchar *g_type;
+g_type = gst_structure_get_name(str);
+eDebug("AUDIO STRUCT=%s", g_type);
+                               audio.type = gstCheckAudioPad(str);
+                               g_codec = g_strdup(g_type);
+                               g_lang = g_strdup_printf ("und");
+                               g_signal_emit_by_name (m_gst_playbin, "get-audio-tags", i, &tags);
+                               if ( tags && gst_is_tag_list(tags) )
+                               {
+                                       gst_tag_list_get_string(tags, GST_TAG_AUDIO_CODEC, &g_codec);
+                                       gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
+                               }
+                               audio.language_code = std::string(g_lang);
+                               audio.codec = std::string(g_codec);
+                               eDebug("eServiceMP3::audio stream=%i codec=%s language=%s", i, g_codec, g_lang);
+                               m_audioStreams.push_back(audio);
+                               g_free (g_lang);
+                               g_free (g_codec);
+                       }
+
+                       for (i = 0; i < n_text; i++)
+                       {       
+                               gchar *g_lang;
+//                             gchar *g_type;
+//                             GstPad* pad = 0;
+//                             g_signal_emit_by_name (m_gst_playbin, "get-text-pad", i, &pad);
+//                             GstCaps* caps = gst_pad_get_negotiated_caps(pad);
+//                             GstStructure* str = gst_caps_get_structure(caps, 0);
+//                             g_type = gst_structure_get_name(str);
+//                             g_signal_emit_by_name (m_gst_playbin, "get-text-tags", i, &tags);
+                               subtitleStream subs;
+                               subs.type = stPlainText;
+                               g_lang = g_strdup_printf ("und");
+                               if ( tags && gst_is_tag_list(tags) )
+                                       gst_tag_list_get_string(tags, GST_TAG_LANGUAGE_CODE, &g_lang);
+                               subs.language_code = std::string(g_lang);
+                               eDebug("eServiceMP3::subtitle stream=%i language=%s"/* type=%s*/, i, g_lang/*, g_type*/);
+                               m_subtitleStreams.push_back(subs);
+                               g_free (g_lang);
+//                             g_free (g_type);
+                       }
+                       m_event((iPlayableService*)this, evUpdatedEventInfo);
+               }
+               case GST_MESSAGE_ELEMENT:
+               {
+                       if ( gst_is_missing_plugin_message(msg) )
+                       {
+                               gchar *description = gst_missing_plugin_message_get_description(msg);
+                               if ( description )
+                               {
+                                       m_error_message = "GStreamer plugin " + (std::string)description + " not available!\n";
+                                       g_free(description);
+                                       m_event((iPlayableService*)this, evUser+12);
+                               }
+                       }
+                       else if (const GstStructure *msgstruct = gst_message_get_structure(msg))
+                       {
+                               const gchar *eventname = gst_structure_get_name(msgstruct);
+                               if ( eventname )
+                               {
+                                       if (!strcmp(eventname, "eventSizeChanged") || !strcmp(eventname, "eventSizeAvail"))
+                                       {
+                                               gst_structure_get_int (msgstruct, "aspect_ratio", &m_aspect);
+                                               gst_structure_get_int (msgstruct, "width", &m_width);
+                                               gst_structure_get_int (msgstruct, "height", &m_height);
+                                               if (strstr(eventname, "Changed"))
+                                                       m_event((iPlayableService*)this, evVideoSizeChanged);
+                                       }
+                                       else if (!strcmp(eventname, "eventFrameRateChanged") || !strcmp(eventname, "eventFrameRateAvail"))
+                                       {
+                                               gst_structure_get_int (msgstruct, "frame_rate", &m_framerate);
+                                               if (strstr(eventname, "Changed"))
+                                                       m_event((iPlayableService*)this, evVideoFramerateChanged);
+                                       }
+                                       else if (!strcmp(eventname, "eventProgressiveChanged") || !strcmp(eventname, "eventProgressiveAvail"))
+                                       {
+                                               gst_structure_get_int (msgstruct, "progressive", &m_progressive);
+                                               if (strstr(eventname, "Changed"))
+                                                       m_event((iPlayableService*)this, evVideoProgressiveChanged);
+                                       }
+                               }
+                       }
+               }
+               default:
+                       break;
+       }
+       g_free (sourceName);
+}
+
+GstBusSyncReply eServiceMP3::gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data)
+{
+       eServiceMP3 *_this = (eServiceMP3*)user_data;
+       _this->m_pump.send(1);
+               /* wake */
+       return GST_BUS_PASS;
+}
+
+audiotype_t eServiceMP3::gstCheckAudioPad(GstStructure* structure)
+{
+       if (!structure)
+               return atUnknown;
+
+       if ( gst_structure_has_name (structure, "audio/mpeg"))
+       {
+               gint mpegversion, layer = -1;
+               if (!gst_structure_get_int (structure, "mpegversion", &mpegversion))
+                       return atUnknown;
+
+               switch (mpegversion) {
+                       case 1:
+                               {
+                                       gst_structure_get_int (structure, "layer", &layer);
+                                       if ( layer == 3 )
+                                               return atMP3;
+                                       else
+                                               return atMPEG;
+                                       break;
+                               }
+                       case 2:
+                               return atAAC;
+                       case 4:
+                               return atAAC;
+                       default:
+                               return atUnknown;
+               }
+       }
+
+       else if ( gst_structure_has_name (structure, "audio/x-ac3") || gst_structure_has_name (structure, "audio/ac3") )
+               return atAC3;
+       else if ( gst_structure_has_name (structure, "audio/x-dts") || gst_structure_has_name (structure, "audio/dts") )
+               return atDTS;
+       else if ( gst_structure_has_name (structure, "audio/x-raw-int") )
+               return atPCM;
+
+       return atUnknown;
+}
+
+void eServiceMP3::gstPoll(const int&)
+{
+               /* ok, we have a serious problem here. gstBusSyncHandler sends 
+                  us the wakup signal, but likely before it was posted.
+                  the usleep, an EVIL HACK (DON'T DO THAT!!!) works around this.
+                  
+                  I need to understand the API a bit more to make this work 
+                  proplerly. */
+       usleep(1);
+       
+       GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (m_gst_playbin));
+       GstMessage *message;
+       while ((message = gst_bus_pop (bus)))
+       {
+               gstBusCall(bus, message);
+               gst_message_unref (message);
+       }
+}
+
 eAutoInitPtr<eServiceFactoryMP3> init_eServiceFactoryMP3(eAutoInitNumbers::service+1, "eServiceFactoryMP3");
+
+void eServiceMP3::gstCBsubtitleAvail(GstElement *appsink, gpointer user_data)
+{
+       eServiceMP3 *_this = (eServiceMP3*)user_data;
+       GstBuffer *buffer;
+       g_signal_emit_by_name (appsink, "pull-buffer", &buffer);
+       if (buffer)
+       {
+               GstFormat fmt = GST_FORMAT_TIME;
+               gint64 buf_pos = GST_BUFFER_TIMESTAMP(buffer);
+               gint64 duration_ns = GST_BUFFER_DURATION(buffer);
+               size_t len = GST_BUFFER_SIZE(buffer);
+               unsigned char line[len+1];
+               memcpy(line, GST_BUFFER_DATA(buffer), len);
+               line[len] = 0;
+//             eDebug("got new subtitle @ buf_pos = %lld ns (in pts=%lld): '%s' ", buf_pos, buf_pos/11111, line);
+               if ( _this->m_subtitle_widget )
+               {
+                       ePangoSubtitlePage page;
+                       gRGB rgbcol(0xD0,0xD0,0xD0);
+                       page.m_elements.push_back(ePangoSubtitlePageElement(rgbcol, (const char*)line));
+                       page.show_pts = buf_pos / 11111L;
+                       page.m_timeout = duration_ns / 1000000;
+                       _this->m_subtitle_pages.push_back(page);
+                       _this->pushSubtitles();
+               }
+       }
+}
+
+void eServiceMP3::pushSubtitles()
+{
+       ePangoSubtitlePage page;
+       GstClockTime base_time;
+       pts_t running_pts;
+       GstElement *appsink = gst_bin_get_by_name(GST_BIN(m_gst_playbin),"subtitle_sink");
+       GstClock *clock;
+       clock = gst_element_get_clock (appsink);
+       while ( !m_subtitle_pages.empty() )
+       {
+               page = m_subtitle_pages.front();
+
+               base_time = gst_element_get_base_time (appsink);
+               running_pts = ( gst_clock_get_time (clock) - base_time ) / 11111L;
+               gint64 diff_ms = ( page.show_pts - running_pts ) / 90;
+//             eDebug("eServiceMP3::pushSubtitles show_pts = %lld  running_pts = %lld  diff = %lld", page.show_pts, running_pts, diff_ms);
+               if ( diff_ms > 20 )
+               {
+//                     eDebug("m_subtitle_sync_timer->start(%lld,1)", diff_ms);
+                       m_subtitle_sync_timer->start(diff_ms, 1);
+                       break;
+               }
+               else
+               {
+                       m_subtitle_widget->setPage(page);
+                       m_subtitle_pages.pop_front();
+               }
+       } ;
+
+       gst_object_unref (clock);
+}
+
+RESULT eServiceMP3::enableSubtitles(eWidget *parent, ePyObject tuple)
+{
+       ePyObject entry;
+       int tuplesize = PyTuple_Size(tuple);
+       int pid, type;
+       gint text_pid = 0;
+
+       if (!PyTuple_Check(tuple))
+               goto error_out;
+       if (tuplesize < 1)
+               goto error_out;
+       entry = PyTuple_GET_ITEM(tuple, 1);
+       if (!PyInt_Check(entry))
+               goto error_out;
+       pid = PyInt_AsLong(entry);
+       entry = PyTuple_GET_ITEM(tuple, 2);
+       if (!PyInt_Check(entry))
+               goto error_out;
+       type = PyInt_AsLong(entry);
+
+       g_object_set (G_OBJECT (m_gst_playbin), "current-text", pid, NULL);
+       m_currentSubtitleStream = pid;
+
+       m_subtitle_widget = new eSubtitleWidget(parent);
+       m_subtitle_widget->resize(parent->size()); /* full size */
+
+       g_object_get (G_OBJECT (m_gst_playbin), "current-text", &text_pid, NULL);
+
+       eDebug ("eServiceMP3::switched to subtitle stream %i", text_pid);
+       m_subtitle_pages.clear();
+
+       return 0;
+
+error_out:
+       eDebug("eServiceMP3::enableSubtitles needs a tuple as 2nd argument!\n"
+               "for gst subtitles (2, subtitle_stream_count, subtitle_type)");
+       return -1;
+}
+
+RESULT eServiceMP3::disableSubtitles(eWidget *parent)
+{
+       eDebug("eServiceMP3::disableSubtitles");
+       m_subtitle_pages.clear();
+       delete m_subtitle_widget;
+       m_subtitle_widget = 0;
+       return 0;
+}
+
+PyObject *eServiceMP3::getCachedSubtitle()
+{
+       eDebug("eServiceMP3::getCachedSubtitle");
+       Py_RETURN_NONE;
+}
+
+PyObject *eServiceMP3::getSubtitleList()
+{
+       eDebug("eServiceMP3::getSubtitleList");
+
+       ePyObject l = PyList_New(0);
+       int stream_count[sizeof(subtype_t)];
+       for ( unsigned int i = 0; i < sizeof(subtype_t); i++ )
+               stream_count[i] = 0;
+
+       for (std::vector<subtitleStream>::iterator IterSubtitleStream(m_subtitleStreams.begin()); IterSubtitleStream != m_subtitleStreams.end(); ++IterSubtitleStream)
+       {
+               subtype_t type = IterSubtitleStream->type;
+               ePyObject tuple = PyTuple_New(5);
+               PyTuple_SET_ITEM(tuple, 0, PyInt_FromLong(2));
+               PyTuple_SET_ITEM(tuple, 1, PyInt_FromLong(stream_count[type]));
+               PyTuple_SET_ITEM(tuple, 2, PyInt_FromLong(int(type)));
+               PyTuple_SET_ITEM(tuple, 3, PyInt_FromLong(0));
+               PyTuple_SET_ITEM(tuple, 4, PyString_FromString((IterSubtitleStream->language_code).c_str()));
+               PyList_Append(l, tuple);
+               Py_DECREF(tuple);
+               stream_count[type]++;
+       }
+       return l;
+}
+
+#else
+#warning gstreamer not available, not building media player
+#endif