Carl Eugen Hoyos
d457478fb0
Silence warnings for fic files with zero-sized cursors.
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Fixes ticket #4072 .
10 years ago
Michael Niedermayer
1b5ec6a0c3
avcodec/fic: Check if a frame is available before using it
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Fixes null pointer dereference
Fixes: ficvf.avi
Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
23cd5cb18f
avcodec/fic: avoid 2 additions per idct row
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before:
5225 decicycles in IDCT, 32756 runs, 12 skips
after:
5057 decicycles in IDCT, 32765 runs, 3 skips
Reviewed-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Derek Buitenhuis
14da7f9eb7
fic: Support rendering cursors
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
d7eb8f9033
fic: Make warning message more accurate
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
7596fc3d4b
fic: Remove redundant clips
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The equations can't overflow or underflow anyway.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
e299cb2cd3
fic: Simplify alpha blending
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
6d149d2818
fic: Use proper quantization matrix index
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The matrices are not zigzagged.
Fixes artefacting.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
9155c595f1
fic: Support rendering cursors
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Derek Buitenhuis
40b331e1f4
fic: Use proper quantization matrix index
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The matrices are not zigzagged.
Fixes artefacting.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Michael Niedermayer
6f243b17c5
avcodec/fic: Fix return value check
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Fixes part of Ticket3466
Found-by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Michael Niedermayer
144f7a561d
avcodec/fic: clear slice_data
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Fixes artifacts
Fixes use of freed memory
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Michael Niedermayer
f34d3173fc
avcodec/fic: fix slice checks
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fix integer overflows
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Kostya Shishkov
93e15a3238
fic: use correct IDCT
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Michael Niedermayer
230db1426d
avcodec/fic: Fix return value check
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Fixes part of Ticket3466
Found-by: Andrey_Karpov / PVS-Studio
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Derek Buitenhuis
f87a6e500b
fic: Properly handle skip frames
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Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago
Michael Niedermayer
1db8bc5648
avcodec/fic: clear slice_data
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Fixes artifacts
Fixes use of freed memory
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
d46ef40129
avcodec/fic: fix slice checks
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fix integer overflows
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Kostya Shishkov
cde7df25ef
Mirillis FIC video decoder
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Does not contain cursor rendering yet.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
11 years ago