Thilo Borgmann
37a4d3383f
lavfi/perspective: Add basic timeline editing.
Add number of input and output frames to possible variables.
Add option eval to reevaluate coordinate expressions during
initialization or for every frame.
10 years ago
Derek Buitenhuis
21f9468402
avutil: Rename FF_CEIL_COMPAT to AV_CEIL_COMPAT
Libav, for some reason, merged this as a public API function. This will
aid in future merges.
A define is left for backwards compat, just in case some person
used it, since it is in a public header.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
10 years ago
Ganesh Ajjanagadde
c6bea81acf
avfilter/vf_perspective: use lrint instead of floor hack
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
10 years ago
Paul B Mahol
a0854c084e
avfilter: handle error in query_formats() in bunch of filters
Signed-off-by: Paul B Mahol <onemda@gmail.com>
11 years ago
Michael Niedermayer
1f1ef843b5
avfilter/vf_perspective: Use av_clip_uint8()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
a2fa1889a6
avfilter/vf_perspective: add av_assert0() to help gcc see that there are no uninitialized variables
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Nicholas Robbins
22cfa1f759
libavfi: added option to vf_perspective to specify transformation by giving destinations of corners of source.
Signed-off-by: Nicholas Robbins <nickrobbins@yahoo.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Paul B Mahol
e3212bfd14
avfitler/vf_perspective: support slice threading
Signed-off-by: Paul B Mahol <onemda@gmail.com>
11 years ago
Paul B Mahol
b211607b5c
avfilter: various cosmetics
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago
Michael Niedermayer
3b2e99fe9e
avfilter/vf_perspective: factor u cliping code
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Paul B Mahol
80c6445932
lavfi: port perspective filter from libmpcodecs
Signed-off-by: Paul B Mahol <onemda@gmail.com>
12 years ago