[Bug 627459] theoraenc should provide option for TH_ENCCTL_SET_DUP_COUNT

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=627459
  GStreamer | gst-plugins-base | 0.10.x

Alexey Fisher <bug-track> changed:

           What    |Removed                     |Added
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 Attachment #187412|0                           |1
        is obsolete|                            |

--- Comment #24 from Alexey Fisher <bug-track at fisher-privat.net> 2011-05-11 18:32:54 UTC ---
Created an attachment (id=187651)
 View: https://bugzilla.gnome.org/attachment.cgi?id=187651
 Review: https://bugzilla.gnome.org/review?bug=627459&attachment=187651

dup on gap

Here is a new patch. It collect the count of dup frames and make sure it is not
bigger than keyframe interval. Also it trys to recreate timestamps of dropped
GAP frames.

I also removed function theora_enc_is_discontinuous, it badly fails on variable
frame rate. Every time the interval between frames is too big, it reseted the
codec, granulopos and forced to make each frame to be a kayframe. 

For testing use:
gst-launch -e oggmux name=mux ! filesink location=test.ogg \
  v4l2src ! video/x-raw-yuv,framerate=30/1 ! videorate skip-to-first=1 !
theoraenc dup-on-gap=1 ! queue ! mux. \
  pulsesrc ! vorbisenc ! queue ! mux.

Created stream seems to work fine with totem, but it looks like mplayer or vlc
do not play it correctly.

Regards,
  Alexey

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