[FFmpeg-devel] [PATCH 1/3] ffplay: reimplement early frame drop

Michael Niedermayer michaelni at gmx.at
Mon Oct 24 23:33:14 CEST 2011

On Mon, Oct 24, 2011 at 11:17:13PM +0200, Marton Balint wrote:
> On Sat, 22 Oct 2011, Michael Niedermayer wrote:
> >On Fri, Oct 21, 2011 at 11:33:21PM +0200, Marton Balint wrote:
> >>This patch reimplements early frame drop, it is now based on the current
> >>difference between the master clock and the video clock, and the pts of the
> >>current and the last displayed (or skipped) frame.  If the frame to be added to
> >>the queue is late after decoding, then we drop it early because later we would
> >>drop it anyway (unless it is the only frame in the picture queue).
> >>
> >>The current approach has only one downside that I know of, it does not handle
> >>well when the filters are changing significantly the pts of the frames, because
> >>we compare pts values from filtered and unfiltered frames.
> >>
> >>We also start using the pictq_mutex to ensure consistent video_current_pts,
> >>video_current_pts_drift, frame_last_pts, frame_last_dropped_pts and
> >>frame_last_dropped_pos values.
> >
> >the patches work fine, thanks for looking into this
> >
> Great, I pushed the patches to my stable branch.

are they ready to be pulled or should i wait ?

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Let us carefully observe those good qualities wherein our enemies excel us
and endeavor to excel them, by avoiding what is faulty, and imitating what
is excellent in them. -- Plutarch
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