[gst-devel] Current playing segment is not updated after reverse framestepping.
wl2776
wl2776 at gmail.com
Thu Jun 24 17:15:36 CEST 2010
I use playbin2 to play MPEG2-PS files.
I open the file, put my player to playing and after some time to pause.
Then I issue a seek event to change the playback direction:
rb=gst_element_seek(m_player,-1.0,GST_FORMAT_TIME,
(GstSeekFlags)(GST_SEEK_FLAG_FLUSH|GST_SEEK_FLAG_ACCURATE),
GST_SEEK_TYPE_SET,0,GST_SEEK_TYPE_SET,m_current_position);
Then, after async-done message was received, I issue one or several new_step
events.
The playbin2 successfully steps one or several frames back (this doesn't
happen on all my mpeg-2 files, but this is another problem, I wrote about it
already).
Then I press "Play" button on my application's form, which issues queries
for the current position and segmend, then issues the seek event to turn the
playback forward again:
gst_element_seek(m_player,1.0,GST_FORMAT_TIME,
(GstSeekFlags)(GST_SEEK_FLAG_FLUSH|GST_SEEK_FLAG_ACCURATE),
GST_SEEK_TYPE_SET,m_current_position,
GST_SEEK_TYPE_SET,m_stream_duration);
And finally, calls
gst_element_set_state(GST_ELEMENT(m_player),GST_STATE_PLAYING);
However, the playback continues from the frame where it was paused, that is,
several stepped back frames are skipped.
I seem to recall, I've seen a message about this bug, with the proposed
patch, however, I cannot find a link.
I would appreciate a link or a solution of the problem.
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