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git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4737 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Unlike dvd or bd subs which may be in the crop zone of the video,
the ssa renderer knows the actual video dimensions and adjusts position
for us. Moving them when they are "close" to the borders just makes
a complete hash of things, so lets not do that.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4657 b64f7644-9d1e-0410-96f1-a4d463321fa5
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We must offset the position that libass gives us by the top and left
cropping since the frame size we are telling libass to render into has
the cropping removed.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4643 b64f7644-9d1e-0410-96f1-a4d463321fa5
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When cropping and/or scaling, the position of burned-in SSA subs was broken.
Also, when scaling, the position of all other burned-in subs was broken.
Part of this fix is to revert a bit of filter initialization changes that
were made in this commit https://trac.handbrake.fr/changeset/4605
The other part of the fix is to add cropping parameters to the initialization
of the subtitle rendering filter. This filter needs the *original* title
dimensions and the crop values in order to compute the positions properly.
The changes that I am reverting gave it the scaled job dimensions and the
crop values. This was wrong in so many ways it's embarassing :p
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4642 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Thanks to patches supplied by David Mitchell and Rob McMullen
we finally have PGS support.
I added a fix for libav pgs timestamp processing and
detection of forced subtitles to their work, then
made foreign audio search work with PGS subs.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4605 b64f7644-9d1e-0410-96f1-a4d463321fa5
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This can happen for non-fatal reasons when doing foreign audio search.
This makes all filter init failures non-fatal. We may want to introduce
fatal errors at some point. I need to inspect all the filters and see
if there are any errors that really must be fatal.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4600 b64f7644-9d1e-0410-96f1-a4d463321fa5
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Remove unnecessary test of uninitialized alpha channel pointer. If the
uninitialized value was NULL, alpha wasn't factored into the blend.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4584 b64f7644-9d1e-0410-96f1-a4d463321fa5
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when frames are duplicated, the frame was not copied properly and resulted
in divide by 0 later when the frame is processed.
This fix is a bit larger than the minimum size necessary to fix the problem.
I took the oportunity to clean up some buffer initialization and copy
operations.
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4563 b64f7644-9d1e-0410-96f1-a4d463321fa5
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This patch enhances the filter objects. The 2 key improvements are:
1. A filter can change the image dimensions as frames pass through it.
2. A filter can output more than one frame.
In addition, I have:
Moved cropping & scalling into a filter object
Added 90 degree rotation to the rotate filter
Moved subtitle burn-in rendering to a filter object.
Moved VFR/CFR handling into a framerate shaping filter object.
Removed render.c since all it's responsibilities got moved to filters.
Improves VOBSUB and SSA subtitle handling. Allows subtitle animations.
SSA karaoke support.
My apologies in advance if anything breaks ;)
git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@4546 b64f7644-9d1e-0410-96f1-a4d463321fa5
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