/**
* ly_aud_set_position:
* @percent: The desire position you want to seek, it should be between 0 and 1.
*
* Seek.
*
* Returns: TRUE for success, others FALSE.
*/
gboolean
ly_aud_set_position(gdouble percent)
{
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return FALSE;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return FALSE;
gint64 position=0;
gint64 start=0;
gint64 duration=0;
duration=ly_mdh_time_str2int(md->duration);
if(duration<10)
{
return FALSE;
}
start=ly_mdh_time_str2int(md->start);
position=(duration*percent)+start;
if(!gst_element_seek(play,1.0,GST_FORMAT_TIME,GST_SEEK_FLAG_FLUSH,GST_SEEK_TYPE_SET,position,GST_SEEK_TYPE_SET,start+duration))
{
g_critical(_("Cannot seek to desired position!"));
return FALSE;
}
return TRUE;
}
/**
* ly_aud_get_state:
*
* Get the state of playbin.
*
* Returns: The GStreamer state of playbin.
*/
GstState ly_aud_get_state()
{
GstState state;
GstClockTime timeout=0;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return 0;
gst_element_get_state(play,&state,NULL,timeout);
return state;
}
/**
* ly_aud_get_position_abs:
*
* Get the current position by GStreamer inner clock which is in a format of gint64.
*
* Returns: The abusolute position time.
*/
gint64
ly_aud_get_position_abs()
{
GstState state;
state=ly_aud_get_state();
if((state!=GST_STATE_PLAYING)&&(state!=GST_STATE_PAUSED))
return 0;
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return 0;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return 0;
GstFormat fmt=GST_FORMAT_TIME;
gint64 start=0;
gint64 dura=0;
gint64 pos=0;
start=ly_mdh_time_str2int(md->start);
dura=ly_mdh_time_str2int(md->duration);
if(dura<=0)
{
gst_element_query_duration(play, &fmt, &dura);
dura-=start;
gchar *str=ly_mdh_time_int2str(dura);
gchar sql[128]="";
g_snprintf(sql, sizeof(sql), "UPDATE metadatas SET duration='%s' WHERE id=%d", str, md->id);
g_free(str);
ly_dbm_exec(sql, NULL, NULL);
ly_pqm_set_current_md(md->id);
}
if(!gst_element_query_position(play, &fmt, &pos))
{
ly_log_put_with_flag(G_LOG_LEVEL_DEBUG, _("Position wrong!"));
return 0;
}
if(pos-start<-60000000000)
{
ly_log_put_with_flag(G_LOG_LEVEL_DEBUG, _("Position wrong!"));
return 0;
}
pos=pos-start;
if(pos<0)
pos=0;
else if(pos>dura)
pos=dura;
return pos;
}
/**
* ly_aud_get_position:
*
* Get the current postion in gdouble format.
*
* Returns: The current position of pipeline.
*/
gdouble ly_aud_get_position()
{
gint64 pos=0;
pos=ly_aud_get_position_abs();
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return 0;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return 0;
gint64 dura=0;
gdouble position;
dura=ly_mdh_time_str2int(md->duration);
if(dura<=0)
return 0;
position=pos/(double)dura;
return position;
}
/**
* ly_aud_stop:
*
* Set pipeline to be STOPED.
*
* Returns: TRUE for success, others FALSE.
*/
gboolean ly_aud_stop()
{
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return FALSE;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return FALSE;
if(!gst_element_set_state(play,GST_STATE_NULL))
{
ly_log_put_with_flag(G_LOG_LEVEL_WARNING, _("Gstreamer state wrong!"));
return FALSE;
}
if(!gst_element_set_state(play,GST_STATE_READY))
{
ly_log_put_with_flag(G_LOG_LEVEL_WARNING, _("Gstreamer state wrong!"));
return FALSE;
}
return TRUE;
}
/**
* ly_aud_pause:
*
* Set pipeline to be PAUSED.
*
* Returns: TRUE for success, others FALSE.
*/
gboolean ly_aud_pause()
{
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return FALSE;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return FALSE;
GstState state;
state=ly_aud_get_state();
if((state!=GST_STATE_PAUSED))
{
if(!gst_element_set_state(play,GST_STATE_PAUSED))
{
ly_log_put_with_flag(G_LOG_LEVEL_WARNING, _("Gstreamer state wrong!"));
return FALSE;
}
}
ly_mbs_put("pause","core:aud",NULL);
return TRUE;
}
/**
* ly_aud_play:
*
* Set pipeline to be PLAYING.
*
* Returns: TRUE for success, others FALSE.
*/
gboolean
ly_aud_play()
{
LyMdhMetadata *md=ly_pqm_get_current_md();
if(!md)
return FALSE;
GstElement *play=ly_ppl_get_playbin();
if(!play)
return FALSE;
GstState state;
state=ly_aud_get_state();
if(state!=GST_STATE_PAUSED)
{
g_object_set(G_OBJECT(play),"uri",md->uri,NULL);
if(!gst_element_set_state(play,GST_STATE_PLAYING))
{
ly_mbs_put("file_missed", "core:aud", NULL);
return FALSE;
}
if(md->flag==1) //cue play
{
g_usleep(0.1*G_USEC_PER_SEC);
ly_aud_set_position(0);
}
}
else
{
if(!gst_element_set_state(play,GST_STATE_PLAYING))
{
ly_mbs_put("file_missed", "core:aud", NULL);
return FALSE;
}
}
ly_mbs_put("play", "core:aud", NULL);
return TRUE;
}
