Diego Biurrun
aba70bb538
Add missing headers to make template files compile (more) standalone
11 years ago
Michael Niedermayer
4b0cad6596
avcodec/simple_idct_template: fix rounding of the special DC case for 10bit
...
MSE doesnt change for the test as the code only triggers
for very sparse matrixes
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
a7ea733b72
avcodec/simple_idct_template: fix row rounder
...
MSE changes from 0.04890000 to 0.02969844
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
cca2772e16
avcodec/simple_idct_template: change the idct coefficients so that they match the x86 code
...
no changes in either standard deviation or PSNR is seen in any of the changed fate
cases
MSE changes from 0.05012422 to 0.04890000
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
529540759f
avcodec/simple_idct_template: adjust coeffs for 12bit idct
...
This prevents overflows with 12bit jpegs
Fixes Ticket2952
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
ae57e82469
avcodec/dsputil: add 12bit simple idct
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Will be needed for jpeg
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Diego Biurrun
88bd7fdc82
Drop DCTELEM typedef
...
It does not help as an abstraction and adds dsputil dependencies.
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
12 years ago
Ronald S. Bultje
c23acbaed4
Don't use ff_cropTbl[] for IDCT.
...
Results of IDCT can by far outreach the range of ff_cropTbl[], leading
to overreads and potentially crashes.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
13 years ago
Michael Niedermayer
9096a2760f
simpleidct: fix project name.
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"Copyright (c) 2001 Michael Niedermayer" and "part of Libav" is not likely
not only am i not a libav developer there also was no libav in 2001
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Ronald S. Bultje
f78cd0c243
prores-idct: fix overflow in c code.
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Fix the fate ref for prores-422_proxy by reverting the changes to it
in commit f492df0927
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Mans Rullgard
2cc4f3b21f
simple_idct: whitespace cosmetics
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
a402f10959
simple_idct: make repeated code a macro
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
e7bcc5baf7
simple_idct: change 10-bit add/put stride from pixels to bytes
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This matches other dsputil functions and simplifies calls.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Mans Rullgard
e7a972e113
simple_idct: add 10-bit version
...
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago