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mpegpsdemux: in seeking use a factor for SCR interpolation

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Fixes seeking on clips where PTS are unalignded with SCR.
This commit is contained in:
Josep Torra 2009-09-04 12:53:36 +02:00
parent d557572e66
commit 7fa795a725
1 changed files with 6 additions and 0 deletions
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6
gst/mpegdemux/gstmpegdemux.c
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@ -1037,6 +1037,12 @@ gst_flups_demux_do_seek (GstFluPSDemux * demux, GstSegment * seeksegment)
guint64 scr_rate_n = demux->last_scr_offset - demux->first_scr_offset;
guint64 scr_rate_d = demux->last_scr - demux->first_scr;
/* In some clips the PTS values are completely unaligned with SCR values.
* To improve the seek in that situation we apply a factor considering the
* relationship between last PTS and last SCR */
if (demux->last_scr > demux->last_pts)
scr = gst_util_uint64_scale (scr, demux->last_scr, demux->last_pts);
scr = MIN (demux->last_scr, scr);
scr = MAX (demux->first_scr, scr);
fscr = scr;