Laurent Aimar
7d17a794f0
xan: Prevent NULL dereference with missing palette
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
3db3fdf4c6
xan: Check for out of bound reads in xan_huffman_decode()
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
3e0757c2a8
xan: Fixed out of bound accesses in xan_unpack()
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
06be075cda
xan: Prevent NULL dereferences with missing reference frame
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Laurent Aimar
124a16f678
xan: Prevent out of bound accesses
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Signed-off-by: Janne Grunau <janne-libav@jannau.net>
13 years ago
Alex Converse
0872bb23b4
xan: Add some buffer checks
13 years ago
Alex Converse
350f57bd7b
xan: Remove extra trailing newline
13 years ago
Laurent Aimar
393d5031c6
Fixed size given to init_get_bits() in xan decoder.
13 years ago
Anton Khirnov
ec6402b7c5
lavc: use designated initialisers for all codecs.
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It's more readable and less prone to breakage.
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
Kostya
90e8a9c34f
Remove Xan WC4 cruft from xan.c
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Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
14 years ago
Diego Elio Pettenò
d36beb3f69
Add ff_ prefix to data symbols of encoders, decoders, hwaccel, parsers, bsf.
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None of these symbols should be accessed directly, so declare them as
hidden.
Signed-off-by: Mans Rullgard <mans@mansr.com>
14 years ago
Reimar Döffinger
782f69e8a5
Fix memleak: free palette data on close.
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Originally committed as revision 25816 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago
Reimar Döffinger
18d761a1b1
Fix indentation.
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Originally committed as revision 25780 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago
Reimar Döffinger
3354b05187
Add explanation and alternative implementation for strange xan
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gamma correction.
Originally committed as revision 25779 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago
Reimar Döffinger
24ae353dfb
WC3/xan: move palette handling to decoder, avoiding need for
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PaletteControl.
This also fixes playback of some files with ffplay (images were
corrupted for a short time after a palette change).
Originally committed as revision 25778 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago
Stefano Sabatini
f2f8fb1035
Remove redundant text in the log.
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Originally committed as revision 25517 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 years ago
Stefano Sabatini
082a857522
Make XAN decoder return meaningful error codes.
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Originally committed as revision 25516 to svn://svn.ffmpeg.org/ffmpeg/trunk
14 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
Stefano Sabatini
72415b2adb
Define AVMediaType enum, and use it instead of enum CodecType, which
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is deprecated and will be dropped at the next major bump.
Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Diego Biurrun
cb39768960
Add long_name for Xxan codec.
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Originally committed as revision 20900 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Kostya Shishkov
0080402d36
Improve handling allocated buffers in Xan decoder
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Originally committed as revision 20899 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Kostya Shishkov
2628f515fe
cosmetics: reindent a bit
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Originally committed as revision 20898 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Reimar Döffinger
4a49ab77c6
Remove unnecessary calls to avcodec_check_dimensions, the check is already
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done at a higher level.
Originally committed as revision 20229 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago
Reimar Döffinger
5333450ce6
Use memcpy to copy till end of line in one go instead of copying pixel by pixel
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in xan_wc3_output_pixel_run and xan_wc3_copy_pixel_run
Originally committed as revision 19774 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
64b8e620cb
Slightly simplify detection of end of compressed data in xan_unpack
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Originally committed as revision 19772 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Måns Rullgård
3aab27b459
Remove useless #include <unistd.h> from many files
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Originally committed as revision 19499 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
f63f689e10
Avoid code duplication in xan_unpack for the final memcpy.
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Originally committed as revision 18608 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
d7670f2827
Use sign_extend function instead of reimplementing it.
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Originally committed as revision 18599 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
e62f622193
Remove a useless "& 0xF"
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Originally committed as revision 18598 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
977d813447
Use / and % operators instead of reimplementing them with a loop.
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Originally committed as revision 18597 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
b1e309865f
Change buffer check to avoid an unlikely pointer arithmetic overflow.
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Originally committed as revision 18596 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
be50938073
Simplify xan_huffman_decode by using get_bits
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Originally committed as revision 18595 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
e5986d0427
Cosmetics to improve xan_unpack readability
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Originally committed as revision 18590 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
16cc5a738c
Fix buffer size check for xan_unpack which was broken by r18586
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Originally committed as revision 18589 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
c644665f42
Some more simplifications of xan_unpack
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Originally committed as revision 18588 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
455fdd2f8c
Reindent xan_unpack code
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Originally committed as revision 18587 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
948f60fa24
Avoid some code duplication in xan_unpack
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Originally committed as revision 18586 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
59bd7f23e8
Increase buffer padding to avoid most space checks in xan_unpack
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Originally committed as revision 18584 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
4b96f43fe1
Change buffer size checks to avoid the very unlikely overflow case.
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Originally committed as revision 18576 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
5e12701c5c
Remove a pointless right-shift in xan decoder.
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Originally committed as revision 18574 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
9126aea528
Replace bytecopy with the equivalent but faster av_memcpy_backptr.
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Ca. 10% faster xan_unpack on x86_64 decoding of SC_32-part.MVE
Originally committed as revision 18572 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Reimar Döffinger
44c9efcb57
Use memcpy instead of the very inefficient bytecopy where both are correct
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(i.e. no overlap of src and dst is possible).
Originally committed as revision 18569 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Thilo Borgmann
7a00bbad21
Implement avcodec_decode_video2(), _audio3() and _subtitle2() which takes an
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AVPacket argument rather than a const uint8_t *buf + int buf_size. This allows
passing of packet-specific flags from demuxer to decoder, such as the keyframe
flag, which appears necessary to playback corePNG P-frames.
Patch by Thilo Borgmann thilo.borgmann googlemail com, see also the thread
"Google Summer of Code participation" on the mailinglist.
Originally committed as revision 18351 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
bad5537e2c
Use full internal pathname in doxygen @file directives.
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Otherwise doxygen complains about ambiguous filenames when files exist
under the same name in different subdirectories.
Originally committed as revision 16912 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Diego Biurrun
6a5d31ac25
Fix build: Add intreadwrite.h and bswap.h #includes where necessary.
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Originally committed as revision 16556 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago
Stefano Sabatini
fe4bf37455
Make AVCodec long_names definition conditional depending on CONFIG_SMALL.
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Originally committed as revision 13759 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Stefano Sabatini
162d4fc99d
Add long names to AVCodec declarations.
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patch by Stefano Sabatini, stefano.sabatini-lala poste it
Originally committed as revision 13009 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Zuxy Meng
98a6fff98c
Apply 'cold' attribute to init/uninit functions in libavcodec
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Originally committed as revision 12525 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago
Mike Melanson
282ee4e766
fix the WC3 Xan decoder by correcting the frame accounting logic
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Originally committed as revision 12326 to svn://svn.ffmpeg.org/ffmpeg/trunk
17 years ago