6 commits

Author	SHA1	Message	Date
Michael Niedermayer	204629df10	avfilter/scale_eval: Use 64bit for factor_w/h ... Avoids truncation and overflows Fixes: #YWH-PGM40646-14 Found-by: An0n99X Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 5bbc8f828e) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	2026-05-05 18:54:56 +02:00
Michael Niedermayer	2b50f85a9a	avfilter/scale_eval: Avoid undefined behavior with double to int cast ... We use INT32_MIN/MAX so as to ensure we dont have to deal with 64bit width or height on a int is int64 system. int64 width would overflow in a system where we assume the product of 2 values fit in int64 Fixes: #YWH-PGM40646-14 Found-by: An0n99X Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 805931dfc8) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	2026-05-05 18:54:56 +02:00
Michael Niedermayer	491bee5813	avfilter/scale_eval: Use 64bit, check values in ff_scale_adjust_dimensions() ... Found by reviewing CID1513722 Operands don't affect result Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit ad9df8bcfe) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>	2024-07-22 14:23:27 +02:00
Gyan Doshi	6310fbd543	avfilter/scale: separate exprs parse and eval ... Retains parsed expressions which allows for better error-checking and adding animation support.	2020-01-15 11:26:46 +05:30
Gyan Doshi	78676ee8f8	avfilter/scale_eval: remove redundant mathematical constants ... Even though removed from vf_scale in 3b316f9f22, they were reintroduced when scale.c, now scale_eval.c, was split off in 037bb4021c	2019-12-11 16:08:53 +05:30
Gyan Doshi	e73688eff4	avfilter: rename scale.c,h to scale_eval ... scale.c is too generic; scale_eval is more representative	2019-12-10 12:55:48 +05:30

Renamed from libavfilter/scale.c (Browse further)