C++ (Cpp) gst_query_parse_buffering_percent示例

示例#1

static double
em_buffer_size_get(void *video)
{
   Emotion_Gstreamer_Video *ev;

   GstQuery *query;
   gboolean busy;
   gint percent;

   ev = video;

   if (!ev->pipeline) return 0.0;

   query = gst_query_new_buffering(GST_FORMAT_DEFAULT);
   if (gst_element_query(ev->pipeline, query))
     gst_query_parse_buffering_percent(query, &busy, &percent);
   else
     percent = 100;

   gst_query_unref(query);
   return ((float)(percent)) / 100.0;
}

示例#2

文件： query.cpp 项目： xohm/qt-gstreamer

int BufferingQuery::percent() const
{
    gint p;
    gst_query_parse_buffering_percent(object<GstQuery>(), NULL, &p);
    return p;
}

示例#3

文件： query.cpp 项目： xohm/qt-gstreamer

bool BufferingQuery::isBusy() const
{
    gboolean b;
    gst_query_parse_buffering_percent(object<GstQuery>(), &b, NULL);
    return b;
}