Michael Niedermayer
ee9151b616
ff_mss12_decode_init: check dimensions
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Fixes assertion failure
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
b12d92efd6
avoid "0xFF << 24" as it is considered a integer overflow in C99
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Alberto Delmás
344fbc47c7
mss12: merge decode_pixel() and decode_top_left_pixel()
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No meaningful generated code differences using gcc -O3.
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
12 years ago
Alberto Delmás
626c1a33ed
mss12: reduce SliceContext size from 1067 to 164 KB
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
12 years ago
Alberto Delmás
a97ee41bee
mss12: move SliceContexts out of the common context into the codec contexts
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
12 years ago
Alberto Delmás
ede3d6400d
MSS1 and MSS2: set final pixel format after common stuff has been initialised
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This way it won't interfere with WMV9 initialisation inside MSS2 decoder and
avplay will play it fine.
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
12 years ago
Alberto Delmás
ee769c6a7c
MSS2 decoder
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
12 years ago
Kostya Shishkov
0de4a563e4
mss1: move code that will be reused by MSS2 decoder into separate file
12 years ago
Kostya Shishkov
49df339f4b
mss1: merge decode_intra() and decode_inter()
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They have most of their code in common.
12 years ago
Anton Khirnov
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
12 years ago
Paul B Mahol
6ad4560031
mss1: improve check if decoded pivot is invalid
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The pivot has to lie between 0 and base.
Check of ==base is insufficient.
Thus replace it by a proper check.
Fixes out of array write.
Fixes bug #1531 .
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Kostya Shishkov
ed219ed366
mss1: fix decoding masked regions in interframes
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Spotted by Alberto Delmás
13 years ago
Kostya Shishkov
15358ade15
mss1: validate number of changeable palette entries
13 years ago
Kostya Shishkov
8f5d573a83
mss1: report palette changed when some additional colours were decoded
13 years ago
Carl Eugen Hoyos
c77bcbbb32
Signal MSS1 palette change.
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Reviewed-by: Paul B Mahol
13 years ago
Paul B Mahol
e3c2670539
mss1: check number of free colours
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Prevents out of array write.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
13 years ago
Carl Eugen Hoyos
bec21ce7f4
Make MSS1 palette opaque.
13 years ago
Kostya Shishkov
005c80b645
MS Screen 1 decoder
13 years ago