87cdd7c694
ivi_common: Drop unused function parameter from decode_band()
2012-10-26 18:28:38 +02:00
d5c62122a7
Move av_reverse table to libavcodec
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It is only used in that library.
2012-10-12 20:39:18 +02:00
6d556e8327
indeo4/5: remove constant parameter num_bands from wavelet recomposition
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Fixes bogus uninitialized value compiler and coverity warnings.
2012-10-10 21:24:32 +02:00
ae3da0ae55
indeo4/5: check empty tile size in decode_mb_info().
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This prevents writing into a too small array if some parameters changed
without the tile being reallocated.
Based on a patch by Michael Niedermayer <michaelni@gmx.at>
Fixes CVE-2012-2800
CC:libav-stable@libav.org
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
2012-09-29 19:13:45 +02:00
5d2170c53b
ivi_common: make ff_ivi_process_empty_tile() static.
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It's not used outside of ivi_common.c
2012-09-29 19:12:57 +02:00
b146d74730
indeo4: update AVCodecContext width/height on size change
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Fixes CVE-2012-2787
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:27:32 +02:00
891918431d
indeo5dec: Make sure we have had a valid gop header.
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This prevents decoding happening on a half initialized context.
Fixes CVE-2012-2779
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Anton Khirnov <anton@khirnov.net>
2012-09-29 09:26:30 +02:00
36ef5369ee
Replace all CODEC_ID_* with AV_CODEC_ID_*
2012-08-07 16:00:24 +02:00
4f04f5cc8b
indeo: Make ivi_calc_band_checksum() static, it is only used in one file.
2012-05-20 15:59:30 +02:00
9ccbdc0aca
indeo: Drop unused debug function ivi_check_band().
2012-05-20 15:56:25 +02:00
cf61aaaca1
indeo: check for invalid motion vectors
2012-05-20 11:19:48 +02:00
9603738221
indeo: check that band output buffer exists
2012-05-20 11:19:48 +02:00
23ba1503f2
indeo: clear allocated band buffers
2012-05-20 11:19:48 +02:00
a6e4ac40a6
indeo: track tile macroblock size
2012-05-20 11:19:48 +02:00
fe7a37c36f
indeo: check custom Huffman tables for errors
2012-05-20 11:19:47 +02:00
aa372cf470
factor out common decoding code for Indeo 4 and Indeo 5
2012-05-20 11:19:30 +02:00
b1563d0cf9
ivi_common: Initialize a variable at declaration in ff_ivi_decode_blocks().
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This simplifies the code a bit and avoids an uninitialized variable warning.
2012-04-20 21:08:34 +02:00
3dde147ff9
cosmetics: Consistently place static, inline and av_cold attributes/keywords.
2012-04-04 14:54:13 +02:00
e96b4a53df
vlc/rl: Add ff_ prefix to the nonstatic symbols
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Signed-off-by: Martin Storsjö <martin@martin.st>
2012-02-15 22:06:26 +02:00
b18a0cc781
indeo5: Fix null pointer dereference.
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Bug found by: Oana Stratulat
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
2012-01-07 00:18:42 +01:00
aaf47bcde7
Drop ALT_ prefix from BITSTREAM_READER_LE name.
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The prefix is a historic remnant that probably meant "alternative".
Now that the A32 bitstream reader has been dropped it makes no sense anymore.
2011-12-22 16:51:23 +01:00
f190f676bc
Replace custom DEBUG preprocessor trickery by the standard one.
2011-06-03 00:44:06 +02:00
2366462429
Replace #ifdef + av_log() combinations by av_dlog().
2011-06-03 00:44:03 +02:00
2912e87a6c
Replace FFmpeg with Libav in licence headers
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Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-03-19 13:33:20 +00:00
eb40d7ffa7
Check symbol validity to avoid a crash, fixes issue 2523.
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Patch by Daniel Kang, daniel.d.kang at gmail
Originally committed as revision 26360 to svn://svn.ffmpeg.org/ffmpeg/trunk
2011-01-15 10:18:38 +00:00
49bd8e4b84
Fix grammar errors in documentation
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Originally committed as revision 23904 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-30 15:38:06 +00:00
79d46cbea6
Quant changes only once per MB so move the corresponding scale factor assignment
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out of the block decoding loop. Indeo4 doesn't use any scale table but the quant
level itself as scale. Therefore access scale table only if its pointer != NULL.
Originally committed as revision 23569 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-10 17:31:12 +00:00
0933f55829
Prepare Indeo4 (step 1): upscale indeo5 base tables by 2 and convert those into uint16_t.
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Originally committed as revision 23523 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-06-08 09:20:12 +00:00
274793de6e
Make dequantization equation use less registers on some CPUs.
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Originally committed as revision 23391 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-30 23:57:51 +00:00
9c6b3b97d7
Add the forgotten ff_ prefix to the shareable scan patterns.
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Originally committed as revision 23341 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-26 20:22:29 +00:00
220f2bd9c5
move indeo5 scan patterns into ivi_common.c
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so those can be shared by indeo4.
Originally committed as revision 23335 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-05-26 13:25:16 +00:00
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
2010-04-20 14:45:34 +00:00
5f1654b25b
Scale tile dimensions in case both local decoding and scalability mode
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are used in Indeo 5 stream.
Patch by Maxim ($indeo5dec_author)
Originally committed as revision 22318 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-08 06:49:16 +00:00
e7edeb9191
When tracking non-zero coefficients during Indeo 5 decoding, make sure
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it does not ignore coefficient value = 256.
Patch by Maxim ((!min)_pole \at gmx dot/ de)
Originally committed as revision 22275 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-03-07 06:03:45 +00:00
e322aacedd
Encapsulate VLC information needed for decoding blocks and macroblocks in
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Indeo 5 into single structure IVIHuffTab and factorize code using it.
Based on patch by Maxim (max_pole at German GMX)
Originally committed as revision 22092 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-27 12:32:31 +00:00
4982a77e56
Make it clear that ff_ivi_init_static_vlc() does not need arguments
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Originally committed as revision 22091 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-27 12:12:56 +00:00
60819e694e
10l trocadero: Indeo 5 decoder did not free custom VLCs for macroblock and
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block decoding at exit, so prevent that memory leak now.
Originally committed as revision 21983 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-23 07:41:29 +00:00
2fc492d842
Declare indeo VLC table storage with correct type
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Originally committed as revision 21977 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-23 03:45:51 +00:00
9068f36dcc
Macroblock and block Huffman code sets are to be used by both Indeo 4 and
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Indeo 5, so make them global and move their initialization to the common place
as well. And fix static VLC initialization, as ff_ivi_create_huff_from_desc()
used old way to do so.
Originally committed as revision 21962 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-02-22 13:51:32 +00:00
1cf3168516
Indeo Video Interactive 4 and 5 common code and DSP functions.
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Reviewed and corrected by myself because there were no other volunteers in the
last weeks.
Originally committed as revision 21531 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-30 08:10:17 +00:00
Diego Biurrun
Janne Grunau
Anton Khirnov
Michael Niedermayer
Kostya Shishkov
Martin Storsjö
Mans Rullgard
Daniel Kang
Maxim Poliakovski