Andreas Cadhalpun
28efeb6502
doc: avoid incorrect phrase 'allows to'
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Also fix typo found by Lou Logan:
Sacrifying -> Sacrificing
Reviewed-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
10 years ago
Andreas Cadhalpun
ed0b1db640
doc: fix spelling errors
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Neccessary -> Necessary
formated -> formatted
thee -> the
eventhough -> even though
seperately -> separately
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
10 years ago
Michael Niedermayer
291ad5cc9c
avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Vittorio Giovara
6a85dfc830
lavc: Replace av_dlog and tprintf with internal macros
10 years ago
Diego Biurrun
7f9f771eac
avcodec: Don't anonymously typedef structs
10 years ago
Michael Niedermayer
d266ecff4b
avcodec/bitstream: remove trivial assert
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Fixed CID1224273
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
a2de7b1bd5
avcodec/bitstream: document the double volatile
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Suggested-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
329898aa45
avcodec/bitstream: try to workaround internal compiler bug in gcc 4.2
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gcc 4.2 seems not maintained anymore so theres no option besides
just working around it.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
e6f9fc4adc
avcodec/bitstream: try to make vlc init code inherently thread safe
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also remove spinlock, it doesnt work on AIX
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
f7f96cf4bc
avcodec/bitstream: fill invalid vlc tables entries as last pass instead of first
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This avoids writing entries twice
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
600cbf3672
avcodec/bitstream: zero vlc tables on allocation
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
e20e854ca0
vcodec/bitstream: use av_malloc_array()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
622d463000
avcodec/bitstream: assert that no integer overflow happened when writing codes in build_table()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Michael Niedermayer
0f65503799
avcodec/bitstream: remove unused variable
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago
Alexandra Khirnova
9b8d11a76a
avcodec: Use av_reallocp where suitable
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Signed-off-by: Martin Storsjö <martin@martin.st>
11 years ago
Diego Biurrun
29c455ce3d
bitstream: Check the result of av_malloc()
11 years ago
Michael Niedermayer
9386f334af
avcodec/bitstream: Dont try to free buffers for static VLCs
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Such buffers are not malloced thus freeing would be bad.
Note though this condition never could have happened so this
is more for correctness sake and not a true bugfix
Fixes CID1061047
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
f80ccf074a
avcodec/ff_init_vlc_sparse: use a local array for static vlcs avoiding malloc()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
6af8326354
avcodec/ff_init_vlc_sparse: use a spinlock for thread sync
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
a9903f7ec1
Revert "bitstream: make vlc init of static tables thread safe."
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This reverts commit 4b6869d6e0
.
Conflicts:
libavcodec/bitstream.c
This code can cause assertion failures on artificial OOM situations
It will be replaced by a solution that doesnt have this issue in the
following commits.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Piotr Bandurski
aa74810fc6
bitstream: fix a crash in case of oom
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fixes ticket #2766
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Luca Barbato
f80b60ad59
bitstream: forward error values and drop few abort()
12 years ago
Luca Barbato
f776899a17
bitstream: K&R formatting cosmetics
12 years ago
Michael Niedermayer
1d7e6a6bde
avcodec/bitstream: print vlc length in error case.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
83330cf5fa
init_vlc_sparse: fix leak on error
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Fixes CID1005312
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
6998af4a40
avcodec/bitstream: check codes in ff_init_vlc_sparse()
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
fb3e3808ae
avcodec/bitstream: Check bits in ff_init_vlc_sparse()
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Fixes out of array reads
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Diego Biurrun
511cf612ac
miscellaneous typo fixes
12 years ago
Michael Niedermayer
4b6869d6e0
bitstream: make vlc init of static tables thread safe.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
eed865540a
Revert "Add assert that the avcodec lock is held when initializing static VLC tables."
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This reverts commit dd154198b1
.
12 years ago
Reimar Döffinger
dd154198b1
Add assert that the avcodec lock is held when initializing static VLC tables.
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Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
12 years ago
Diego Biurrun
d5c62122a7
Move av_reverse table to libavcodec
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It is only used in that library.
12 years ago
Martin Storsjö
aefea4d0de
Rename ff_put_string to avpriv_put_string
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This allows using it from libavformat as well. This will be used
by the RTP/JPEG depacketizer.
Signed-off-by: Martin Storsjö <martin@martin.st>
12 years ago
Michael Niedermayer
bb1e0e80b0
libavcodec/bitstream: switch to av_assert
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
2e909b3c77
bitstream: build_table, check table_nb_bits.
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Fixes null ptr deref.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Martin Storsjö
e96b4a53df
vlc/rl: Add ff_ prefix to the nonstatic symbols
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Signed-off-by: Martin Storsjö <martin@martin.st>
13 years ago
Alex Converse
7181c4edee
cosmetics: Remove extra newlines at EOF
13 years ago
Diego Biurrun
da9cea77e3
Fix a bunch of common typos.
13 years ago
Anton Khirnov
9f51c682ee
lavc: use avpriv_ prefix for ff_copy_bits and align_put_bits.
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They are used in lavf.
13 years ago
Nicolas George
198ed6474d
bitstream: Replace av_realloc by av_realloc_f when relevant.
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Signed-off-by: Nicolas George <nicolas.george@normalesup.org>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Mans Rullgard
0d5c349ac4
put_bits: remove ALT_BITSTREAM_WRITER
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The code for this variant does not compile.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Michael Niedermayer
294e5475c2
ffv1: fix undefined behavior with insane widths.
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The new tables is large enough to prevent this together with our image size checks.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
14 years ago
Alex Converse
19d824e473
bitstream: Properly promote av_reverse values before shifting.
14 years ago
Diego Biurrun
02a8d43adf
Replace some av_log/printf + #ifdef combinations by av_dlog.
14 years ago
Michael Niedermayer
676d380f2a
Fix undefined behavior in ffv1 with insane widths.
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The new tables is large enough to prevent this together with our image size checks.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
14 years ago
Mans Rullgard
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Loren Merritt
f39ab2071f
change a variable-length array to a malloc.
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Originally committed as revision 23103 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Diego Biurrun
ba87f0801d
Remove explicit filename from Doxygen @file commands.
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Passing an explicit filename to this command is only necessary if the
documentation in the @file block refers to a file different from the
one the block resides in.
Originally committed as revision 22921 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Loren Merritt
b23cf13c67
indent
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Originally committed as revision 22716 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Loren Merritt
3224079956
optimize init_vlc().
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Reduce worst case time from O(N^2) to O(N*log(N)).
Speedup average case by a factor of 10 in ffv2 (total decoding speed +4-25%),
factor of 1.3 in ffvhuff (total +0.5%),
factor of 1.8 in indeo5 (total +1%),
factor of 1.1 in mjpeg (total +0.1%).
Originally committed as revision 22715 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago