| Commit message (Collapse) | Author | Age |
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We no longer have any audio encoders using AVCodec.encode().
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This also involves making some function static and changing the name
prefixes of some functions and structures.
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libavcodec/txd.c:49:60: warning: variable ‘mipmap_count’ set but not used
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libavcodec/mmvideo.c:87:9: warning: variable ‘i’ set but not used
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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Rationale is the same as for video width/height etc.
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ZeroCodec relies on the keyframe flag being set in the container, and
prev is the previously decoded frame. A keyframe flags incorrectly set
will lead to this condition.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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This fixes a number of unused-but-set gcc warnings.
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libavcodec/dvdec.c:344:12: warning: assignment discards ‘const’ qualifier from pointer target type
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Signed-off-by: Diego Biurrun <diego@biurrun.de>
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This is logical and also fixes checking for the fourth plane offset.
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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This is required for SIMD optimisations.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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Based on observations made by Jakub Stachowski <qbast@go2.pl>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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Wrong bit depth can lead to invalid rowsize values, which crashes the
decoder further down.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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CC: libav-stable@libav.org
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The decoder assumes in various places that the image size
is a multiple of the block size, and there is no obvious
way to support odd sizes. Bailing out early if the header
specifies a bad size avoids various errors later on.
Fixes CVE-2012-0947.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Prevents illegal reads on truncated and malformed input.
CC: libav-stable@libav.org
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Progressive data is allocated later in decode_sof(), not allocating
that data leads to NULL dereferences.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
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Prevents crashes because the old check was incomplete.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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Fixes crashes in codepaths not covered by original checks.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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This prevents sample_rate/data_length from going negative, which
caused various crashes and undefined behaviour further down.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
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This properly synchronizes frame size changes between threads if
subsequent threads abort decoding before frame size is initialized, i.e.
it prevents the thread after that from ping-ponging back to the original
value.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
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Fixes a compile error with clang at -O0.
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Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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The index of the motion vector has to be checked before being
multiplied by 2 for the array index.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
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ModeTab.fmode has only 3 elements, so indexing it with ftype
in the initialier for 'size' is invalid when ftype == FT_PPC.
This fixes crashes with gcc 4.8.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Reviewed-by: Mashiat Sarker Shakkhar <mashiat.sarker@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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This fixes decoding of frames which span more than two packets. Tested with
recit24.wma.
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
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Indexing outside array limits is invalid and breaks with gcc 4.8.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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Signed-off-by: Mans Rullgard <mans@mansr.com>
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The shift parameter was removed from this interface in 7e1ce6a.
This updates the Altivec implementation to match.
Signed-off-by: Mans Rullgard <mans@mansr.com>
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